Mercurial > octave
annotate libinterp/corefcn/oct-stream.cc @ 22812:86b6f79d4de1
better compatibility for printf with empty args (bug #39375)
* oct-stream.cc (printf_value_cache::get_next_value):
If argument has no elements, return empty matrix.
(octave_base_stream::do_printf): Handle empty matrix in numeric
conversion case.
* io.tst: New tests.
author | John W. Eaton <jwe@octave.org> |
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date | Wed, 23 Nov 2016 10:17:06 -0500 |
parents | 3a2b891d0b33 |
children | b125351d4243 |
rev | line source |
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2117 | 1 /* |
2 | |
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3 Copyright (C) 1996-2016 John W. Eaton |
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4 Copyright (C) 2015-2016 Lachlan Andrew, Monash University |
2117 | 5 |
6 This file is part of Octave. | |
7 | |
8 Octave is free software; you can redistribute it and/or modify it | |
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9 under the terms of the GNU General Public License as published by |
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10 the Free Software Foundation; either version 3 of the License, or |
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11 (at your option) any later version. |
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12 |
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13 Octave is distributed in the hope that it will be useful, but |
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14 WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 GNU General Public License for more details. |
2117 | 17 |
18 You should have received a copy of the GNU General Public License | |
7016 | 19 along with Octave; see the file COPYING. If not, see |
20 <http://www.gnu.org/licenses/>. | |
2117 | 21 |
22 */ | |
23 | |
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24 #if defined (HAVE_CONFIG_H) |
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25 # include "config.h" |
2117 | 26 #endif |
27 | |
3268 | 28 #include <cassert> |
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29 #include <cctype> |
2215 | 30 #include <cstring> |
31 | |
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32 #include <deque> |
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33 #include <fstream> |
3503 | 34 #include <iomanip> |
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35 #include <iostream> |
5765 | 36 #include <sstream> |
3535 | 37 #include <string> |
2117 | 38 |
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39 #include "Array.h" |
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40 #include "Cell.h" |
4944 | 41 #include "byte-swap.h" |
2117 | 42 #include "lo-ieee.h" |
43 #include "lo-mappers.h" | |
44 #include "lo-utils.h" | |
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45 #include "oct-locbuf.h" |
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46 #include "quit.h" |
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47 #include "singleton-cleanup.h" |
2117 | 48 #include "str-vec.h" |
49 | |
50 #include "error.h" | |
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51 #include "errwarn.h" |
3342 | 52 #include "input.h" |
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53 #include "interpreter.h" |
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54 #include "octave.h" |
3775 | 55 #include "oct-stdstrm.h" |
2117 | 56 #include "oct-stream.h" |
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57 #include "ov.h" |
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58 #include "ovl.h" |
2117 | 59 #include "utils.h" |
60 | |
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61 // Programming Note: There are two very different error functions used |
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62 // in the stream code. When invoked with "error (...)" the member |
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63 // function from octave_stream or octave_base_stream is called. This |
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64 // function sets the error state on the stream AND returns control to |
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65 // the caller. The caller must then return a value at the end of the |
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66 // function. When invoked with "::error (...)" the exception-based |
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67 // error function from error.h is used. This function will throw an |
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68 // exception and not return control to the caller. BE CAREFUL and |
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69 // invoke the correct error function! |
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70 |
2117 | 71 // Possible values for conv_err: |
72 // | |
73 // 1 : not a real scalar | |
2902 | 74 // 2 : value is NaN |
75 // 3 : value is not an integer | |
2117 | 76 |
77 static int | |
78 convert_to_valid_int (const octave_value& tc, int& conv_err) | |
79 { | |
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80 conv_err = 0; |
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81 |
2117 | 82 int retval = 0; |
83 | |
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84 double dval = 0.0; |
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85 |
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86 try |
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87 { |
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88 dval = tc.double_value (); |
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89 } |
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90 catch (const octave::execution_exception&) |
2117 | 91 { |
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92 recover_from_exception (); |
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93 |
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94 conv_err = 1; |
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95 } |
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96 |
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97 if (! conv_err) |
2117 | 98 { |
5389 | 99 if (! lo_ieee_isnan (dval)) |
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100 { |
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101 int ival = octave::math::nint (dval); |
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102 |
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103 if (ival == dval) |
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104 retval = ival; |
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105 else |
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106 conv_err = 3; |
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107 } |
2117 | 108 else |
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109 conv_err = 2; |
2117 | 110 } |
111 | |
112 return retval; | |
113 } | |
114 | |
115 static int | |
4468 | 116 get_size (double d, const std::string& who) |
2117 | 117 { |
118 int retval = -1; | |
119 | |
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120 if (lo_ieee_isnan (d)) |
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121 ::error ("%s: NaN is invalid as size specification", who.c_str ()); |
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122 |
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123 if (octave::math::isinf (d)) |
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124 retval = -1; |
2117 | 125 else |
126 { | |
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127 if (d < 0.0) |
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128 ::error ("%s: negative value invalid as size specification", |
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129 who.c_str ()); |
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130 |
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131 retval = octave::math::nint (d); |
2117 | 132 } |
133 | |
134 return retval; | |
135 } | |
136 | |
137 static void | |
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138 get_size (const Array<double>& size, octave_idx_type& nr, octave_idx_type& nc, |
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139 bool& one_elt_size_spec, const std::string& who) |
2117 | 140 { |
141 nr = -1; | |
142 nc = -1; | |
143 | |
3268 | 144 one_elt_size_spec = false; |
145 | |
2117 | 146 double dnr = -1.0; |
147 double dnc = -1.0; | |
148 | |
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149 octave_idx_type sz_len = size.numel (); |
3810 | 150 |
151 if (sz_len == 1) | |
2601 | 152 { |
3268 | 153 one_elt_size_spec = true; |
154 | |
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155 dnr = size(0); |
4293 | 156 |
157 dnc = (dnr == 0.0) ? 0.0 : 1.0; | |
2601 | 158 } |
3810 | 159 else if (sz_len == 2) |
2117 | 160 { |
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161 dnr = size(0); |
3810 | 162 |
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163 if (octave::math::isinf (dnr)) |
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164 ::error ("%s: invalid size specification", who.c_str ()); |
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165 |
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166 dnc = size(1); |
2117 | 167 } |
168 else | |
4468 | 169 ::error ("%s: invalid size specification", who.c_str ()); |
2117 | 170 |
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171 nr = get_size (dnr, who); |
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172 |
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173 if (dnc >= 0.0) |
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174 nc = get_size (dnc, who); |
2117 | 175 } |
176 | |
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177 class |
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178 scanf_format_elt |
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179 { |
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180 public: |
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181 |
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182 enum special_conversion |
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183 { |
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184 whitespace_conversion = 1, |
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185 literal_conversion = 2, |
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186 null = 3 |
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187 }; |
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188 |
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189 scanf_format_elt (const char *txt = 0, int w = 0, bool d = false, |
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190 char typ = '\0', char mod = '\0', |
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191 const std::string& ch_class = "") |
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192 : text (strsave (txt)), width (w), discard (d), type (typ), |
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193 modifier (mod), char_class (ch_class) |
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194 { } |
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195 |
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196 scanf_format_elt (const scanf_format_elt& e) |
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197 : text (strsave (e.text)), width (e.width), discard (e.discard), |
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198 type (e.type), modifier (e.modifier), char_class (e.char_class) |
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199 { } |
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200 |
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201 scanf_format_elt& operator = (const scanf_format_elt& e) |
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202 { |
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203 if (this != &e) |
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204 { |
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205 text = strsave (e.text); |
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206 width = e.width; |
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207 discard = e.discard; |
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208 type = e.type; |
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209 modifier = e.modifier; |
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210 char_class = e.char_class; |
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211 } |
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212 |
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213 return *this; |
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214 } |
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215 |
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216 ~scanf_format_elt (void) { delete [] text; } |
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217 |
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218 // The C-style format string. |
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219 const char *text; |
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220 |
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221 // The maximum field width. |
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222 int width; |
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223 |
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224 // TRUE if we are not storing the result of this conversion. |
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225 bool discard; |
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226 |
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227 // Type of conversion -- 'd', 'i', 'o', 'u', 'x', 'e', 'f', 'g', |
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228 // 'c', 's', 'p', '%', or '['. |
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229 char type; |
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230 |
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231 // A length modifier -- 'h', 'l', or 'L'. |
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232 char modifier; |
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233 |
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234 // The class of characters in a '[' format. |
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235 std::string char_class; |
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236 }; |
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237 |
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238 class |
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239 scanf_format_list |
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240 { |
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241 public: |
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242 |
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243 scanf_format_list (const std::string& fmt = ""); |
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244 |
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245 ~scanf_format_list (void); |
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246 |
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247 octave_idx_type num_conversions (void) { return nconv; } |
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248 |
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249 // The length can be different than the number of conversions. |
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250 // For example, "x %d y %d z" has 2 conversions but the length of |
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251 // the list is 3 because of the characters that appear after the |
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252 // last conversion. |
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253 |
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254 size_t length (void) const { return fmt_elts.size (); } |
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255 |
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256 const scanf_format_elt *first (void) |
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257 { |
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258 curr_idx = 0; |
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259 return current (); |
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260 } |
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261 |
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262 const scanf_format_elt *current (void) const |
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263 { |
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264 return length () > 0 ? fmt_elts[curr_idx] : 0; |
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265 } |
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266 |
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267 const scanf_format_elt *next (bool cycle = true) |
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268 { |
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269 static scanf_format_elt dummy |
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270 (0, 0, false, scanf_format_elt::null, '\0', ""); |
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271 |
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272 curr_idx++; |
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273 |
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274 if (curr_idx >= length ()) |
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275 { |
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276 if (cycle) |
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277 curr_idx = 0; |
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278 else |
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279 return &dummy; |
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280 } |
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281 |
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282 return current (); |
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283 } |
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284 |
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285 void printme (void) const; |
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286 |
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287 bool ok (void) const { return (nconv >= 0); } |
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288 |
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289 operator bool () const { return ok (); } |
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290 |
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291 bool all_character_conversions (void); |
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292 |
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293 bool all_numeric_conversions (void); |
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294 |
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295 private: |
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296 |
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297 // Number of conversions specified by this format string, or -1 if |
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298 // invalid conversions have been found. |
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299 octave_idx_type nconv; |
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300 |
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301 // Index to current element; |
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302 size_t curr_idx; |
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303 |
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304 // List of format elements. |
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305 std::deque<scanf_format_elt*> fmt_elts; |
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306 |
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307 // Temporary buffer. |
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308 std::ostringstream buf; |
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309 |
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310 void add_elt_to_list (int width, bool discard, char type, char modifier, |
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311 const std::string& char_class = ""); |
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312 |
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313 void process_conversion (const std::string& s, size_t& i, size_t n, |
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314 int& width, bool& discard, char& type, |
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315 char& modifier); |
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316 |
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317 int finish_conversion (const std::string& s, size_t& i, size_t n, |
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318 int& width, bool discard, char& type, |
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319 char modifier); |
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320 // No copying! |
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321 |
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322 scanf_format_list (const scanf_format_list&); |
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323 |
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324 scanf_format_list& operator = (const scanf_format_list&); |
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325 }; |
2117 | 326 |
3523 | 327 scanf_format_list::scanf_format_list (const std::string& s) |
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328 : nconv (0), curr_idx (0), fmt_elts (), buf () |
2117 | 329 { |
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330 size_t n = s.length (); |
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331 |
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332 size_t i = 0; |
2117 | 333 |
2215 | 334 int width = 0; |
2117 | 335 bool discard = false; |
336 char modifier = '\0'; | |
337 char type = '\0'; | |
338 | |
339 bool have_more = true; | |
340 | |
341 while (i < n) | |
342 { | |
343 have_more = true; | |
344 | |
345 if (s[i] == '%') | |
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346 { |
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347 // Process percent-escape conversion type. |
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348 |
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349 process_conversion (s, i, n, width, discard, type, modifier); |
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350 |
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351 have_more = (buf.tellp () != 0); |
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352 } |
3483 | 353 else if (isspace (s[i])) |
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354 { |
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355 type = scanf_format_elt::whitespace_conversion; |
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356 |
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357 width = 0; |
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358 discard = false; |
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359 modifier = '\0'; |
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360 buf << " "; |
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361 |
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362 while (++i < n && isspace (s[i])) |
20946 | 363 ; // skip whitespace |
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364 |
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365 add_elt_to_list (width, discard, type, modifier); |
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366 |
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367 have_more = false; |
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368 } |
3483 | 369 else |
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370 { |
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371 type = scanf_format_elt::literal_conversion; |
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372 |
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373 width = 0; |
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374 discard = false; |
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375 modifier = '\0'; |
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376 |
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377 while (i < n && ! isspace (s[i]) && s[i] != '%') |
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378 buf << s[i++]; |
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379 |
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380 add_elt_to_list (width, discard, type, modifier); |
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381 |
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382 have_more = false; |
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383 } |
2117 | 384 |
385 if (nconv < 0) | |
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386 { |
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387 have_more = false; |
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388 break; |
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389 } |
2117 | 390 } |
391 | |
392 if (have_more) | |
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393 add_elt_to_list (width, discard, type, modifier); |
2117 | 394 |
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395 buf.clear (); |
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396 buf.str (""); |
2117 | 397 } |
398 | |
399 scanf_format_list::~scanf_format_list (void) | |
400 { | |
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401 size_t n = fmt_elts.size (); |
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402 |
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403 for (size_t i = 0; i < n; i++) |
2117 | 404 { |
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405 scanf_format_elt *elt = fmt_elts[i]; |
2117 | 406 delete elt; |
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407 } |
2117 | 408 } |
409 | |
410 void | |
2215 | 411 scanf_format_list::add_elt_to_list (int width, bool discard, char type, |
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412 char modifier, |
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413 const std::string& char_class) |
2117 | 414 { |
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415 std::string text = buf.str (); |
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416 |
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417 if (! text.empty ()) |
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418 { |
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419 scanf_format_elt *elt |
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420 = new scanf_format_elt (text.c_str (), width, discard, type, |
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421 modifier, char_class); |
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422 |
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423 fmt_elts.push_back (elt); |
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424 } |
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425 |
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426 buf.clear (); |
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427 buf.str (""); |
2117 | 428 } |
429 | |
3535 | 430 static std::string |
3523 | 431 expand_char_class (const std::string& s) |
3483 | 432 { |
3523 | 433 std::string retval; |
3483 | 434 |
435 size_t len = s.length (); | |
436 | |
437 size_t i = 0; | |
438 | |
439 while (i < len) | |
440 { | |
441 unsigned char c = s[i++]; | |
442 | |
443 if (c == '-' && i > 1 && i < len | |
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444 && ( static_cast<unsigned char> (s[i-2]) |
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445 <= static_cast<unsigned char> (s[i]))) |
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446 { |
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447 // Add all characters from the range except the first (we |
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448 // already added it below). |
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449 |
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450 for (c = s[i-2]+1; c < s[i]; c++) |
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451 retval += c; |
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452 } |
3483 | 453 else |
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454 { |
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455 // Add the character to the class. Only add '-' if it is |
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456 // the last character in the class. |
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457 |
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458 if (c != '-' || i == len) |
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459 retval += c; |
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460 } |
3483 | 461 } |
462 | |
463 return retval; | |
464 } | |
465 | |
2117 | 466 void |
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467 scanf_format_list::process_conversion (const std::string& s, size_t& i, |
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468 size_t n, int& width, bool& discard, |
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469 char& type, char& modifier) |
2117 | 470 { |
2215 | 471 width = 0; |
2117 | 472 discard = false; |
473 modifier = '\0'; | |
474 type = '\0'; | |
475 | |
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476 buf << s[i++]; |
2117 | 477 |
478 bool have_width = false; | |
479 | |
480 while (i < n) | |
481 { | |
482 switch (s[i]) | |
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483 { |
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484 case '*': |
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485 if (discard) |
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486 nconv = -1; |
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487 else |
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488 { |
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489 discard = true; |
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490 buf << s[i++]; |
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491 } |
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492 break; |
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493 |
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494 case '0': case '1': case '2': case '3': case '4': |
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495 case '5': case '6': case '7': case '8': case '9': |
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496 if (have_width) |
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497 nconv = -1; |
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498 else |
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499 { |
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diff
changeset
|
500 char c = s[i++]; |
20230
e914b5399c67
Use in-place operators in C++ code where possible.
Rik <rik@octave.org>
parents:
19864
diff
changeset
|
501 width = 10 * width + c - '0'; |
10315
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
502 have_width = true; |
21517
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
503 buf << c; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
504 while (i < n && isdigit (s[i])) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
505 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
506 c = s[i++]; |
20230
e914b5399c67
Use in-place operators in C++ code where possible.
Rik <rik@octave.org>
parents:
19864
diff
changeset
|
507 width = 10 * width + c - '0'; |
21517
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
508 buf << c; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
509 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
510 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
511 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
512 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
513 case 'h': case 'l': case 'L': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
514 if (modifier != '\0') |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
515 nconv = -1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
516 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
517 modifier = s[i++]; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
518 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
519 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
520 case 'd': case 'i': case 'o': case 'u': case 'x': |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
521 if (modifier == 'L') |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
522 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
523 nconv = -1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
524 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
525 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
526 goto fini; |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
527 |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
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|
528 case 'e': case 'f': case 'g': |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
529 if (modifier == 'h') |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
530 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
531 nconv = -1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
532 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
533 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
534 |
57a59eae83cc
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diff
changeset
|
535 // No float or long double conversions, thanks. |
21517
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
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21503
diff
changeset
|
536 buf << 'l'; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
537 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
538 goto fini; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
539 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
540 case 'c': case 's': case 'p': case '%': case '[': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
541 if (modifier != '\0') |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
542 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
543 nconv = -1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
544 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
545 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
546 goto fini; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
547 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
548 fini: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
549 { |
21475
4f3e63d75f33
use std::deque instead of Array to hold scanf and printf format elements
John W. Eaton <jwe@octave.org>
parents:
21354
diff
changeset
|
550 if (finish_conversion (s, i, n, width, discard, |
4f3e63d75f33
use std::deque instead of Array to hold scanf and printf format elements
John W. Eaton <jwe@octave.org>
parents:
21354
diff
changeset
|
551 type, modifier) == 0) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
552 return; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
553 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
554 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
555 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
556 default: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
557 nconv = -1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
558 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
559 } |
2117 | 560 |
561 if (nconv < 0) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
562 break; |
2117 | 563 } |
564 | |
565 nconv = -1; | |
566 } | |
567 | |
568 int | |
10187
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
569 scanf_format_list::finish_conversion (const std::string& s, size_t& i, |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
570 size_t n, int& width, bool discard, |
21475
4f3e63d75f33
use std::deque instead of Array to hold scanf and printf format elements
John W. Eaton <jwe@octave.org>
parents:
21354
diff
changeset
|
571 char& type, char modifier) |
2117 | 572 { |
573 int retval = 0; | |
574 | |
3523 | 575 std::string char_class; |
3483 | 576 |
10187
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
577 size_t beg_idx = std::string::npos; |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
578 size_t end_idx = std::string::npos; |
3640 | 579 |
2117 | 580 if (s[i] == '%') |
3640 | 581 { |
582 type = '%'; | |
21517
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
583 buf << s[i++]; |
3640 | 584 } |
2117 | 585 else |
586 { | |
587 type = s[i]; | |
588 | |
589 if (s[i] == '[') | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
590 { |
21517
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
591 buf << s[i++]; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
592 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
593 if (i < n) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
594 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
595 beg_idx = i; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
596 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
597 if (s[i] == '^') |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
598 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
599 type = '^'; |
21517
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
600 buf << s[i++]; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
601 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
602 if (i < n) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
603 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
604 beg_idx = i; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
605 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
606 if (s[i] == ']') |
21517
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
607 buf << s[i++]; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
608 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
609 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
610 else if (s[i] == ']') |
21517
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
611 buf << s[i++]; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
612 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
613 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
614 while (i < n && s[i] != ']') |
21517
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
615 buf << s[i++]; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
616 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
617 if (i < n && s[i] == ']') |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
618 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
619 end_idx = i-1; |
21517
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
620 buf << s[i++]; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
621 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
622 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
623 if (s[i-1] != ']') |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
624 retval = nconv = -1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
625 } |
2117 | 626 else |
21517
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
627 buf << s[i++]; |
10187
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
628 |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
629 nconv++; |
3640 | 630 } |
631 | |
10187
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
632 if (nconv >= 0) |
3640 | 633 { |
10187
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
634 if (beg_idx != std::string::npos && end_idx != std::string::npos) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
635 char_class = expand_char_class (s.substr (beg_idx, |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
636 end_idx - beg_idx + 1)); |
3640 | 637 |
21475
4f3e63d75f33
use std::deque instead of Array to hold scanf and printf format elements
John W. Eaton <jwe@octave.org>
parents:
21354
diff
changeset
|
638 add_elt_to_list (width, discard, type, modifier, char_class); |
2117 | 639 } |
640 | |
641 return retval; | |
642 } | |
643 | |
644 void | |
645 scanf_format_list::printme (void) const | |
646 { | |
21475
4f3e63d75f33
use std::deque instead of Array to hold scanf and printf format elements
John W. Eaton <jwe@octave.org>
parents:
21354
diff
changeset
|
647 size_t n = fmt_elts.size (); |
4f3e63d75f33
use std::deque instead of Array to hold scanf and printf format elements
John W. Eaton <jwe@octave.org>
parents:
21354
diff
changeset
|
648 |
4f3e63d75f33
use std::deque instead of Array to hold scanf and printf format elements
John W. Eaton <jwe@octave.org>
parents:
21354
diff
changeset
|
649 for (size_t i = 0; i < n; i++) |
2117 | 650 { |
21475
4f3e63d75f33
use std::deque instead of Array to hold scanf and printf format elements
John W. Eaton <jwe@octave.org>
parents:
21354
diff
changeset
|
651 scanf_format_elt *elt = fmt_elts[i]; |
2117 | 652 |
3531 | 653 std::cerr |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
654 << "width: " << elt->width << "\n" |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
655 << "discard: " << elt->discard << "\n" |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
656 << "type: "; |
3483 | 657 |
658 if (elt->type == scanf_format_elt::literal_conversion) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
659 std::cerr << "literal text\n"; |
3483 | 660 else if (elt->type == scanf_format_elt::whitespace_conversion) |
10315
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661 std::cerr << "whitespace\n"; |
3483 | 662 else |
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663 std::cerr << elt->type << "\n"; |
3531 | 664 |
665 std::cerr | |
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666 << "modifier: " << elt->modifier << "\n" |
15466
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667 << "char_class: '" << undo_string_escapes (elt->char_class) << "'\n" |
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668 << "text: '" << undo_string_escapes (elt->text) << "'\n\n"; |
2117 | 669 } |
670 } | |
671 | |
672 bool | |
673 scanf_format_list::all_character_conversions (void) | |
674 { | |
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675 size_t n = fmt_elts.size (); |
2117 | 676 |
677 if (n > 0) | |
678 { | |
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679 for (size_t i = 0; i < n; i++) |
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680 { |
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681 scanf_format_elt *elt = fmt_elts[i]; |
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682 |
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683 switch (elt->type) |
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684 { |
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685 case 'c': case 's': case '%': case '[': case '^': |
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686 case scanf_format_elt::literal_conversion: |
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687 case scanf_format_elt::whitespace_conversion: |
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688 break; |
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689 |
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690 default: |
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691 return false; |
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692 break; |
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693 } |
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694 } |
2117 | 695 |
696 return true; | |
697 } | |
698 else | |
699 return false; | |
700 } | |
701 | |
702 bool | |
703 scanf_format_list::all_numeric_conversions (void) | |
704 { | |
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705 size_t n = fmt_elts.size (); |
2117 | 706 |
707 if (n > 0) | |
708 { | |
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use std::deque instead of Array to hold scanf and printf format elements
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|
709 for (size_t i = 0; i < n; i++) |
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710 { |
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711 scanf_format_elt *elt = fmt_elts[i]; |
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712 |
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713 switch (elt->type) |
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|
714 { |
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715 case 'd': case 'i': case 'o': case 'u': case 'x': |
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716 case 'e': case 'f': case 'g': |
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717 break; |
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|
718 |
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|
719 default: |
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720 return false; |
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|
721 break; |
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|
722 } |
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|
723 } |
2117 | 724 |
725 return true; | |
726 } | |
727 else | |
728 return false; | |
729 } | |
730 | |
21477
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diff
changeset
|
731 class |
4fc04d04dd9c
make printf and scanf format element and list objects private
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|
732 printf_format_elt |
4fc04d04dd9c
make printf and scanf format element and list objects private
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|
733 { |
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|
734 public: |
4fc04d04dd9c
make printf and scanf format element and list objects private
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|
735 |
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make printf and scanf format element and list objects private
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|
736 printf_format_elt (const char *txt = 0, int n = 0, int w = -1, |
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make printf and scanf format element and list objects private
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737 int p = -1, const std::string& f = "", |
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make printf and scanf format element and list objects private
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|
738 char typ = '\0', char mod = '\0') |
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make printf and scanf format element and list objects private
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739 : text (strsave (txt)), args (n), fw (w), prec (p), flags (f), |
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make printf and scanf format element and list objects private
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|
740 type (typ), modifier (mod) |
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|
741 { } |
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|
742 |
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|
743 printf_format_elt (const printf_format_elt& e) |
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744 : text (strsave (e.text)), args (e.args), fw (e.fw), prec (e.prec), |
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make printf and scanf format element and list objects private
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|
745 flags (e.flags), type (e.type), modifier (e.modifier) |
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|
746 { } |
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diff
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|
747 |
4fc04d04dd9c
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diff
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|
748 printf_format_elt& operator = (const printf_format_elt& e) |
4fc04d04dd9c
make printf and scanf format element and list objects private
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|
749 { |
4fc04d04dd9c
make printf and scanf format element and list objects private
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|
750 if (this != &e) |
4fc04d04dd9c
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diff
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|
751 { |
4fc04d04dd9c
make printf and scanf format element and list objects private
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|
752 text = strsave (e.text); |
4fc04d04dd9c
make printf and scanf format element and list objects private
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|
753 args = e.args; |
4fc04d04dd9c
make printf and scanf format element and list objects private
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|
754 fw = e.fw; |
4fc04d04dd9c
make printf and scanf format element and list objects private
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|
755 prec = e.prec; |
4fc04d04dd9c
make printf and scanf format element and list objects private
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|
756 flags = e.flags; |
4fc04d04dd9c
make printf and scanf format element and list objects private
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|
757 type = e.type; |
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make printf and scanf format element and list objects private
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|
758 modifier = e.modifier; |
4fc04d04dd9c
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diff
changeset
|
759 } |
4fc04d04dd9c
make printf and scanf format element and list objects private
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diff
changeset
|
760 |
4fc04d04dd9c
make printf and scanf format element and list objects private
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diff
changeset
|
761 return *this; |
4fc04d04dd9c
make printf and scanf format element and list objects private
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diff
changeset
|
762 } |
4fc04d04dd9c
make printf and scanf format element and list objects private
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diff
changeset
|
763 |
4fc04d04dd9c
make printf and scanf format element and list objects private
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diff
changeset
|
764 ~printf_format_elt (void) { delete [] text; } |
4fc04d04dd9c
make printf and scanf format element and list objects private
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diff
changeset
|
765 |
4fc04d04dd9c
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|
766 // The C-style format string. |
4fc04d04dd9c
make printf and scanf format element and list objects private
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|
767 const char *text; |
4fc04d04dd9c
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diff
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|
768 |
4fc04d04dd9c
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|
769 // How many args do we expect to consume? |
4fc04d04dd9c
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diff
changeset
|
770 int args; |
4fc04d04dd9c
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diff
changeset
|
771 |
4fc04d04dd9c
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|
772 // Field width. |
4fc04d04dd9c
make printf and scanf format element and list objects private
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|
773 int fw; |
4fc04d04dd9c
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diff
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|
774 |
4fc04d04dd9c
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|
775 // Precision. |
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|
776 int prec; |
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diff
changeset
|
777 |
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|
778 // Flags -- '-', '+', ' ', '0', or '#'. |
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|
779 std::string flags; |
4fc04d04dd9c
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|
780 |
4fc04d04dd9c
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|
781 // Type of conversion -- 'd', 'i', 'o', 'x', 'X', 'u', 'c', 's', |
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|
782 // 'f', 'e', 'E', 'g', 'G', 'p', or '%' |
4fc04d04dd9c
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|
783 char type; |
4fc04d04dd9c
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diff
changeset
|
784 |
4fc04d04dd9c
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changeset
|
785 // A length modifier -- 'h', 'l', or 'L'. |
4fc04d04dd9c
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|
786 char modifier; |
4fc04d04dd9c
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diff
changeset
|
787 }; |
4fc04d04dd9c
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diff
changeset
|
788 |
4fc04d04dd9c
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diff
changeset
|
789 class |
4fc04d04dd9c
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changeset
|
790 printf_format_list |
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|
791 { |
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|
792 public: |
4fc04d04dd9c
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|
793 |
4fc04d04dd9c
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changeset
|
794 printf_format_list (const std::string& fmt = ""); |
4fc04d04dd9c
make printf and scanf format element and list objects private
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changeset
|
795 |
4fc04d04dd9c
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diff
changeset
|
796 ~printf_format_list (void); |
4fc04d04dd9c
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diff
changeset
|
797 |
4fc04d04dd9c
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diff
changeset
|
798 octave_idx_type num_conversions (void) { return nconv; } |
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diff
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|
799 |
4fc04d04dd9c
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changeset
|
800 const printf_format_elt *first (void) |
4fc04d04dd9c
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changeset
|
801 { |
4fc04d04dd9c
make printf and scanf format element and list objects private
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diff
changeset
|
802 curr_idx = 0; |
4fc04d04dd9c
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diff
changeset
|
803 return current (); |
4fc04d04dd9c
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diff
changeset
|
804 } |
4fc04d04dd9c
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diff
changeset
|
805 |
4fc04d04dd9c
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changeset
|
806 const printf_format_elt *current (void) const |
4fc04d04dd9c
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changeset
|
807 { |
4fc04d04dd9c
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diff
changeset
|
808 return length () > 0 ? fmt_elts[curr_idx] : 0; |
4fc04d04dd9c
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809 } |
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810 |
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811 size_t length (void) const { return fmt_elts.size (); } |
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812 |
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813 const printf_format_elt *next (bool cycle = true) |
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814 { |
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815 curr_idx++; |
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816 |
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817 if (curr_idx >= length ()) |
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818 { |
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819 if (cycle) |
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820 curr_idx = 0; |
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821 else |
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822 return 0; |
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823 } |
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824 |
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825 return current (); |
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826 } |
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827 |
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828 bool last_elt_p (void) { return (curr_idx + 1 == length ()); } |
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829 |
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830 void printme (void) const; |
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831 |
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832 bool ok (void) const { return (nconv >= 0); } |
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make printf and scanf format element and list objects private
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833 |
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834 operator bool () const { return ok (); } |
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835 |
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836 private: |
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837 |
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838 // Number of conversions specified by this format string, or -1 if |
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839 // invalid conversions have been found. |
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840 octave_idx_type nconv; |
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841 |
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842 // Index to current element; |
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843 size_t curr_idx; |
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844 |
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845 // List of format elements. |
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846 std::deque<printf_format_elt*> fmt_elts; |
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847 |
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848 // Temporary buffer. |
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849 std::ostringstream buf; |
21477
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850 |
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851 void add_elt_to_list (int args, const std::string& flags, int fw, |
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852 int prec, char type, char modifier); |
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853 |
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854 void process_conversion (const std::string& s, size_t& i, size_t n, |
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855 int& args, std::string& flags, int& fw, |
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856 int& prec, char& modifier, char& type); |
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857 |
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858 void finish_conversion (const std::string& s, size_t& i, int args, |
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859 const std::string& flags, int fw, int prec, |
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860 char modifier, char& type); |
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861 |
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862 // No copying! |
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863 |
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864 printf_format_list (const printf_format_list&); |
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865 |
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866 printf_format_list& operator = (const printf_format_list&); |
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867 }; |
2117 | 868 |
3523 | 869 printf_format_list::printf_format_list (const std::string& s) |
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870 : nconv (0), curr_idx (0), fmt_elts (), buf () |
2117 | 871 { |
10187
a44d15813a39
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872 size_t n = s.length (); |
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|
873 |
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874 size_t i = 0; |
2117 | 875 |
876 int args = 0; | |
3643 | 877 std::string flags; |
19729
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|
878 int fw = -1; |
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|
879 int prec = -1; |
2117 | 880 char modifier = '\0'; |
881 char type = '\0'; | |
882 | |
883 bool have_more = true; | |
3640 | 884 bool empty_buf = true; |
2117 | 885 |
4223 | 886 if (n == 0) |
2117 | 887 { |
4223 | 888 printf_format_elt *elt |
10315
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889 = new printf_format_elt ("", args, fw, prec, flags, type, modifier); |
4223 | 890 |
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891 fmt_elts.push_back (elt); |
4223 | 892 } |
893 else | |
894 { | |
895 while (i < n) | |
10315
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|
896 { |
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|
897 have_more = true; |
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|
898 |
21517
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|
899 empty_buf = (buf.tellp () == 0); |
10315
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|
900 |
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|
901 switch (s[i]) |
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902 { |
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|
903 case '%': |
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904 { |
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|
905 if (empty_buf) |
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906 { |
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907 process_conversion (s, i, n, args, flags, fw, prec, |
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|
908 type, modifier); |
10315
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|
909 |
21517
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|
910 // If there is nothing in the buffer, then |
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911 // add_elt_to_list must have just been called, so we |
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912 // are already done with the current element and we |
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913 // don't need to call add_elt_to_list if this is our |
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|
914 // last trip through the loop. |
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diff
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|
915 |
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916 have_more = (buf.tellp () != 0); |
10315
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917 } |
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|
918 else |
21475
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|
919 add_elt_to_list (args, flags, fw, prec, type, modifier); |
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|
920 } |
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|
921 break; |
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922 |
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|
923 default: |
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|
924 { |
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|
925 args = 0; |
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|
926 flags = ""; |
19729
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diff
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|
927 fw = -1; |
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improve compatibility of printf functions
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928 prec = -1; |
10315
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|
929 modifier = '\0'; |
57a59eae83cc
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930 type = '\0'; |
21517
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|
931 buf << s[i++]; |
10315
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|
932 empty_buf = false; |
57a59eae83cc
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|
933 } |
57a59eae83cc
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|
934 break; |
57a59eae83cc
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|
935 } |
57a59eae83cc
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|
936 |
57a59eae83cc
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|
937 if (nconv < 0) |
57a59eae83cc
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|
938 { |
57a59eae83cc
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|
939 have_more = false; |
57a59eae83cc
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|
940 break; |
57a59eae83cc
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changeset
|
941 } |
57a59eae83cc
untabify src C++ source files
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|
942 } |
2117 | 943 |
4223 | 944 if (have_more) |
21475
4f3e63d75f33
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diff
changeset
|
945 add_elt_to_list (args, flags, fw, prec, type, modifier); |
4223 | 946 |
21517
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|
947 buf.clear (); |
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avoid possible memory leak related to ostringstream objects
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|
948 buf.str (""); |
2117 | 949 } |
950 } | |
951 | |
952 printf_format_list::~printf_format_list (void) | |
953 { | |
21475
4f3e63d75f33
use std::deque instead of Array to hold scanf and printf format elements
John W. Eaton <jwe@octave.org>
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diff
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|
954 size_t n = fmt_elts.size (); |
4f3e63d75f33
use std::deque instead of Array to hold scanf and printf format elements
John W. Eaton <jwe@octave.org>
parents:
21354
diff
changeset
|
955 |
4f3e63d75f33
use std::deque instead of Array to hold scanf and printf format elements
John W. Eaton <jwe@octave.org>
parents:
21354
diff
changeset
|
956 for (size_t i = 0; i < n; i++) |
2117 | 957 { |
21475
4f3e63d75f33
use std::deque instead of Array to hold scanf and printf format elements
John W. Eaton <jwe@octave.org>
parents:
21354
diff
changeset
|
958 printf_format_elt *elt = fmt_elts[i]; |
2117 | 959 delete elt; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
960 } |
2117 | 961 } |
962 | |
963 void | |
3640 | 964 printf_format_list::add_elt_to_list (int args, const std::string& flags, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
965 int fw, int prec, char type, |
21475
4f3e63d75f33
use std::deque instead of Array to hold scanf and printf format elements
John W. Eaton <jwe@octave.org>
parents:
21354
diff
changeset
|
966 char modifier) |
2117 | 967 { |
21517
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
968 std::string text = buf.str (); |
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
969 |
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
970 if (! text.empty ()) |
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
971 { |
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
972 printf_format_elt *elt |
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
973 = new printf_format_elt (text.c_str (), args, fw, prec, flags, |
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
974 type, modifier); |
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
975 |
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
976 fmt_elts.push_back (elt); |
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
977 } |
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
978 |
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
979 buf.clear (); |
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
980 buf.str (""); |
2117 | 981 } |
982 | |
983 void | |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
984 printf_format_list::process_conversion (const std::string& s, size_t& i, |
21475
4f3e63d75f33
use std::deque instead of Array to hold scanf and printf format elements
John W. Eaton <jwe@octave.org>
parents:
21354
diff
changeset
|
985 size_t n, int& args, |
4f3e63d75f33
use std::deque instead of Array to hold scanf and printf format elements
John W. Eaton <jwe@octave.org>
parents:
21354
diff
changeset
|
986 std::string& flags, int& fw, |
4f3e63d75f33
use std::deque instead of Array to hold scanf and printf format elements
John W. Eaton <jwe@octave.org>
parents:
21354
diff
changeset
|
987 int& prec, char& modifier, |
4f3e63d75f33
use std::deque instead of Array to hold scanf and printf format elements
John W. Eaton <jwe@octave.org>
parents:
21354
diff
changeset
|
988 char& type) |
2117 | 989 { |
990 args = 0; | |
3640 | 991 flags = ""; |
19729
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
992 fw = -1; |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
993 prec = -1; |
2117 | 994 modifier = '\0'; |
995 type = '\0'; | |
996 | |
21517
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
997 buf << s[i++]; |
2117 | 998 |
4587 | 999 bool nxt = false; |
2117 | 1000 |
1001 while (i < n) | |
1002 { | |
1003 switch (s[i]) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1004 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1005 case '-': case '+': case ' ': case '0': case '#': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1006 flags += s[i]; |
21517
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
1007 buf << s[i++]; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1008 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1009 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1010 default: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1011 nxt = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1012 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1013 } |
2117 | 1014 |
4587 | 1015 if (nxt) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1016 break; |
2117 | 1017 } |
1018 | |
1019 if (i < n) | |
1020 { | |
1021 if (s[i] == '*') | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1022 { |
19729
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
1023 fw = -2; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1024 args++; |
21517
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
1025 buf << s[i++]; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1026 } |
2117 | 1027 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1028 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1029 if (isdigit (s[i])) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1030 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1031 int nn = 0; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1032 std::string tmp = s.substr (i); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1033 sscanf (tmp.c_str (), "%d%n", &fw, &nn); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1034 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1035 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1036 while (i < n && isdigit (s[i])) |
21517
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
1037 buf << s[i++]; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1038 } |
2117 | 1039 } |
1040 | |
1041 if (i < n && s[i] == '.') | |
1042 { | |
19729
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
1043 // nothing before the . means 0. |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
1044 if (fw == -1) |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
1045 fw = 0; |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
1046 |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
1047 // . followed by nothing is 0. |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
1048 prec = 0; |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
1049 |
21517
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
1050 buf << s[i++]; |
2117 | 1051 |
1052 if (i < n) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1053 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1054 if (s[i] == '*') |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1055 { |
19729
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
1056 prec = -2; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1057 args++; |
21517
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
1058 buf << s[i++]; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1059 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1060 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1061 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1062 if (isdigit (s[i])) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1063 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1064 int nn = 0; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1065 std::string tmp = s.substr (i); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1066 sscanf (tmp.c_str (), "%d%n", &prec, &nn); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1067 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1068 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1069 while (i < n && isdigit (s[i])) |
21517
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
1070 buf << s[i++]; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1071 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1072 } |
2117 | 1073 } |
1074 | |
1075 if (i < n) | |
1076 { | |
18650
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
1077 // Accept and record modifier, but don't place it in the format |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
1078 // item text. All integer conversions are handled as 64-bit |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
1079 // integers. |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
1080 |
2117 | 1081 switch (s[i]) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1082 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1083 case 'h': case 'l': case 'L': |
18650
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
1084 modifier = s[i++]; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1085 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1086 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1087 default: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1088 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1089 } |
2117 | 1090 } |
1091 | |
1092 if (i < n) | |
21475
4f3e63d75f33
use std::deque instead of Array to hold scanf and printf format elements
John W. Eaton <jwe@octave.org>
parents:
21354
diff
changeset
|
1093 finish_conversion (s, i, args, flags, fw, prec, modifier, type); |
2117 | 1094 else |
1095 nconv = -1; | |
1096 } | |
1097 | |
1098 void | |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1099 printf_format_list::finish_conversion (const std::string& s, size_t& i, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1100 int args, const std::string& flags, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1101 int fw, int prec, char modifier, |
21475
4f3e63d75f33
use std::deque instead of Array to hold scanf and printf format elements
John W. Eaton <jwe@octave.org>
parents:
21354
diff
changeset
|
1102 char& type) |
2117 | 1103 { |
1104 switch (s[i]) | |
1105 { | |
1106 case 'd': case 'i': case 'o': case 'x': case 'X': | |
1107 case 'u': case 'c': | |
1108 if (modifier == 'L') | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1109 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1110 nconv = -1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1111 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1112 } |
2117 | 1113 goto fini; |
1114 | |
1115 case 'f': case 'e': case 'E': case 'g': case 'G': | |
1116 if (modifier == 'h' || modifier == 'l') | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1117 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1118 nconv = -1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1119 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1120 } |
2117 | 1121 goto fini; |
1122 | |
1123 case 's': case 'p': case '%': | |
1124 if (modifier != '\0') | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1125 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1126 nconv = -1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1127 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1128 } |
2117 | 1129 goto fini; |
1130 | |
1131 fini: | |
1132 | |
3640 | 1133 type = s[i]; |
1134 | |
21517
e626d8a3427e
avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents:
21503
diff
changeset
|
1135 buf << s[i++]; |
3640 | 1136 |
1137 if (type != '%' || args != 0) | |
10315
57a59eae83cc
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1138 nconv++; |
3640 | 1139 |
1140 if (type != '%') | |
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1141 args++; |
3640 | 1142 |
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1143 add_elt_to_list (args, flags, fw, prec, type, modifier); |
3640 | 1144 |
2117 | 1145 break; |
1146 | |
1147 default: | |
1148 nconv = -1; | |
1149 break; | |
1150 } | |
1151 } | |
1152 | |
1153 void | |
1154 printf_format_list::printme (void) const | |
1155 { | |
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1156 size_t n = fmt_elts.size (); |
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1157 |
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1158 for (size_t i = 0; i < n; i++) |
2117 | 1159 { |
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1160 printf_format_elt *elt = fmt_elts[i]; |
2117 | 1161 |
3640 | 1162 std::cerr |
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1163 << "args: " << elt->args << "\n" |
15466
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1164 << "flags: '" << elt->flags << "'\n" |
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1165 << "width: " << elt->fw << "\n" |
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1166 << "prec: " << elt->prec << "\n" |
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1167 << "type: '" << elt->type << "'\n" |
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1168 << "modifier: '" << elt->modifier << "'\n" |
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1169 << "text: '" << undo_string_escapes (elt->text) << "'\n\n"; |
2117 | 1170 } |
1171 } | |
1172 | |
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1173 // Calculate x^n. Used for ...e+nn so that, for example, 1e2 is |
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1174 // exactly 100 and 5e-1 is 1/2 |
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1175 |
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1176 static double |
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1177 pown (double x, unsigned int n) |
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1178 { |
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1179 double retval = 1; |
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1180 |
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1181 for (unsigned int d = n; d; d >>= 1) |
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1182 { |
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1183 if (d & 1) |
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1184 retval *= x; |
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1185 x *= x; |
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1186 } |
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1187 |
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1188 return retval; |
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1189 } |
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1190 |
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1191 static Cell |
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1192 init_inf_nan (void) |
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1193 { |
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1194 Cell retval (dim_vector (1, 2)); |
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1195 |
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1196 retval(0) = Cell (octave_value ("inf")); |
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1197 retval(1) = Cell (octave_value ("nan")); |
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1198 |
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1199 return retval; |
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1200 } |
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1201 |
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1202 namespace octave |
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1203 { |
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1204 // Delimited stream, optimized to read strings of characters separated |
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1205 // by single-character delimiters. |
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1206 // |
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1207 // The reason behind this class is that octstream doesn't provide |
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1208 // seek/tell, but the opportunity has been taken to optimise for the |
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1209 // textscan workload. |
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1210 // |
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1211 // The function reads chunks into a 4kiB buffer, and marks where the |
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1212 // last delimiter occurs. Reads up to this delimiter can be fast. |
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1213 // After that last delimiter, the remaining text is moved to the front |
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1214 // of the buffer and the buffer is refilled. This also allows cheap |
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1215 // seek and tell operations within a "fast read" block. |
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1216 |
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1217 class |
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1218 delimited_stream |
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1219 { |
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1220 public: |
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1221 |
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1222 delimited_stream (std::istream& is, const std::string& delimiters, |
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1223 int longest_lookahead, octave_idx_type bsize = 4096); |
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1224 |
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1225 delimited_stream (std::istream& is, const delimited_stream& ds); |
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1226 |
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1227 ~delimited_stream (void); |
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1228 |
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1229 // Called when optimized sequence of get is finished. Ensures that |
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1230 // there is a remaining delimiter in buf, or loads more data in. |
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1231 void field_done (void) |
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1232 { |
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1233 if (idx >= last) |
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1234 refresh_buf (); |
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1235 } |
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1236 |
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1237 // Load new data into buffer, and set eob, last, idx. |
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1238 // Return EOF at end of file, 0 otherwise. |
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1239 int refresh_buf (void); |
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1240 |
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1241 // Get a character, relying on caller to call field_done if |
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1242 // a delimiter has been reached. |
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1243 int get (void) |
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1244 { |
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1245 if (delimited) |
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1246 return eof () ? std::istream::traits_type::eof () : *idx++; |
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1247 else |
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1248 return get_undelim (); |
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1249 } |
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1250 |
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1251 // Get a character, checking for underrun of the buffer. |
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1252 int get_undelim (void); |
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1253 |
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1254 // Read character that will be got by the next get. |
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1255 int peek (void) { return eof () ? std::istream::traits_type::eof () : *idx; } |
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1256 |
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1257 // Read character that will be got by the next get. |
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1258 int peek_undelim (void); |
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1259 |
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1260 // Undo a 'get' or 'get_undelim'. It is the caller's responsibility |
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1261 // to avoid overflow by calling putbacks only for a character got by |
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1262 // get() or get_undelim(), with no intervening |
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1263 // get, get_delim, field_done, refresh_buf, getline, read or seekg. |
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1264 void putback (char /*ch*/ = 0) { if (! eof ()) --idx; } |
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1265 |
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1266 int getline (std::string& dest, char delim); |
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1267 |
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1268 // int skipline (char delim); |
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1269 |
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1270 char *read (char *buffer, int size, char* &new_start); |
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1271 |
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1272 // Return a position suitable to "seekg", valid only within this |
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1273 // block between calls to field_done. |
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1274 char *tellg (void) { return idx; } |
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1275 |
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1276 void seekg (char *old_idx) { idx = old_idx; } |
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1277 |
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1278 bool eof (void) |
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1279 { |
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1280 return (eob == buf && i_stream.eof ()) || (flags & std::ios_base::eofbit); |
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1281 } |
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1282 |
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1283 operator const void* (void) { return (! eof () && ! flags) ? this : 0; } |
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1284 |
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1285 bool fail (void) { return flags & std::ios_base::failbit; } |
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1286 |
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1287 std::ios_base::iostate rdstate (void) { return flags; } |
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1288 |
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1289 void setstate (std::ios_base::iostate m) { flags = flags | m; } |
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1290 |
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1291 void clear (std::ios_base::iostate m |
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1292 = (std::ios_base::eofbit & ~std::ios_base::eofbit)) |
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1293 { |
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1294 flags = flags & m; |
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1295 } |
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1296 |
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1297 // Report if any characters have been consumed. |
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1298 // (get, read, etc. not cancelled by putback or seekg) |
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1299 |
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1300 void progress_benchmark (void) { progress_marker = idx; } |
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1301 |
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1302 bool no_progress (void) { return progress_marker == idx; } |
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1303 |
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1304 private: |
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1305 |
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1306 // Number of characters to read from the file at once. |
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1307 int bufsize; |
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1308 |
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1309 // Stream to read from. |
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1310 std::istream& i_stream; |
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1311 |
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1312 // Temporary storage for a "chunk" of data. |
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1313 char *buf; |
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1314 |
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1315 // Current read pointer. |
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1316 char *idx; |
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1317 |
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1318 // Location of last delimiter in the buffer at buf (undefined if |
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1319 // delimited is false). |
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1320 char *last; |
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1321 |
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1322 // Position after last character in buffer. |
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1323 char *eob; |
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1324 |
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1325 // True if there is delimiter in the bufer after idx. |
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1326 bool delimited; |
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1327 |
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1328 // Longest lookahead required. |
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1329 int longest; |
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1330 |
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1331 // Sequence of single-character delimiters. |
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1332 const std::string delims; |
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1333 |
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1334 // Position of start of buf in original stream. |
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1335 std::streampos buf_in_file; |
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1336 |
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1337 // Marker to see if a read consumes any characters. |
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1338 char *progress_marker; |
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1339 |
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1340 std::ios_base::iostate flags; |
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1341 |
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1342 // No copying! |
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1343 |
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1344 delimited_stream (const delimited_stream&); |
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1345 |
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1346 delimited_stream& operator = (const delimited_stream&); |
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1347 }; |
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1348 |
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1349 // Create a delimited stream, reading from is, with delimiters delims, |
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1350 // and allowing reading of up to tellg + longest_lookeahead. When is |
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1351 // is at EOF, lookahead may be padded by ASCII nuls. |
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1352 |
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1353 delimited_stream::delimited_stream (std::istream& is, |
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1354 const std::string& delimiters, |
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1355 int longest_lookahead, |
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1356 octave_idx_type bsize) |
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1357 : bufsize (bsize), i_stream (is), longest (longest_lookahead), |
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1358 delims (delimiters), |
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1359 flags (std::ios::failbit & ~std::ios::failbit) // can't cast 0 |
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1360 { |
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1361 buf = new char[bufsize]; |
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1362 eob = buf + bufsize; |
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1363 idx = eob; // refresh_buf shouldn't try to copy old data |
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1364 progress_marker = idx; |
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1365 refresh_buf (); // load the first batch of data |
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1366 } |
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1367 |
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1368 // Used to create a stream from a strstream from data read from a dstr. |
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1369 // FIXME: Find a more efficient approach. Perhaps derived dstr |
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1370 delimited_stream::delimited_stream (std::istream& is, |
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1371 const delimited_stream& ds) |
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1372 : bufsize (ds.bufsize), i_stream (is), longest (ds.longest), |
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1373 delims (ds.delims), |
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1374 flags (std::ios::failbit & ~std::ios::failbit) // can't cast 0 |
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1375 { |
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1376 buf = new char[bufsize]; |
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1377 eob = buf + bufsize; |
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1378 idx = eob; // refresh_buf shouldn't try to copy old data |
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1379 progress_marker = idx; |
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1380 refresh_buf (); // load the first batch of data |
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1381 } |
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1382 |
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1383 delimited_stream::~delimited_stream (void) |
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1384 { |
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1385 // Seek to the correct position in i_stream. |
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1386 if (! eof ()) |
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1387 { |
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1388 i_stream.clear (); |
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1389 i_stream.seekg (buf_in_file); |
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1390 i_stream.read (buf, idx - buf); |
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|
1391 } |
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|
1392 |
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|
1393 delete [] buf; |
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|
1394 } |
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|
1395 |
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|
1396 // Read a character from the buffer, refilling the buffer from the file |
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|
1397 // if necessary. |
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|
1398 |
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|
1399 int |
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|
1400 delimited_stream::get_undelim (void) |
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|
1401 { |
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|
1402 int retval; |
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|
1403 if (eof ()) |
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|
1404 { |
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|
1405 setstate (std::ios_base::failbit); |
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move more new classes inside octave namespace
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|
1406 return std::istream::traits_type::eof (); |
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|
1407 } |
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|
1408 |
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|
1409 if (idx < eob) |
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|
1410 retval = *idx++; |
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|
1411 else |
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|
1412 { |
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diff
changeset
|
1413 refresh_buf (); |
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|
1414 |
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John W. Eaton <jwe@octave.org>
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|
1415 if (eof ()) |
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|
1416 { |
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|
1417 setstate (std::ios_base::eofbit); |
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move more new classes inside octave namespace
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|
1418 retval = std::istream::traits_type::eof (); |
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|
1419 } |
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|
1420 else |
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|
1421 retval = *idx++; |
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|
1422 } |
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|
1423 |
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John W. Eaton <jwe@octave.org>
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|
1424 if (idx >= last) |
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John W. Eaton <jwe@octave.org>
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|
1425 delimited = false; |
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diff
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|
1426 |
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John W. Eaton <jwe@octave.org>
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changeset
|
1427 return retval; |
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|
1428 } |
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changeset
|
1429 |
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|
1430 // Return the next character to be read without incrementing the |
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move more new classes inside octave namespace
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|
1431 // pointer, refilling the buffer from the file if necessary. |
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John W. Eaton <jwe@octave.org>
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|
1432 |
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John W. Eaton <jwe@octave.org>
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changeset
|
1433 int |
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|
1434 delimited_stream::peek_undelim (void) |
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|
1435 { |
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|
1436 int retval = get_undelim (); |
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diff
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|
1437 putback (); |
71dd9d5a5ecd
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diff
changeset
|
1438 |
71dd9d5a5ecd
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changeset
|
1439 return retval; |
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diff
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|
1440 } |
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changeset
|
1441 |
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move more new classes inside octave namespace
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changeset
|
1442 // Copy remaining unprocessed data to the start of the buffer and load |
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move more new classes inside octave namespace
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|
1443 // new data to fill it. Return EOF if the file is at EOF before |
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|
1444 // reading any data and all of the data that has been read has been |
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diff
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|
1445 // processed. |
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diff
changeset
|
1446 |
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diff
changeset
|
1447 int |
71dd9d5a5ecd
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1448 delimited_stream::refresh_buf (void) |
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|
1449 { |
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changeset
|
1450 if (eof ()) |
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|
1451 return std::istream::traits_type::eof (); |
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diff
changeset
|
1452 |
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1453 int retval; |
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1454 |
71dd9d5a5ecd
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John W. Eaton <jwe@octave.org>
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changeset
|
1455 if (eob < idx) |
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|
1456 idx = eob; |
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diff
changeset
|
1457 |
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diff
changeset
|
1458 size_t old_remaining = eob - idx; |
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move more new classes inside octave namespace
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diff
changeset
|
1459 |
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move more new classes inside octave namespace
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diff
changeset
|
1460 octave_quit (); // allow ctrl-C |
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diff
changeset
|
1461 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1462 if (old_remaining > 0) |
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1463 { |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1464 buf_in_file += (idx - buf); |
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move more new classes inside octave namespace
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diff
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|
1465 memmove (buf, idx, old_remaining); |
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diff
changeset
|
1466 } |
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1467 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1468 progress_marker -= idx - buf; // where original idx would have been |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1469 idx = buf; |
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diff
changeset
|
1470 |
71dd9d5a5ecd
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1471 int gcount; // chars read |
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|
1472 if (! i_stream.eof ()) |
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diff
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|
1473 { |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1474 buf_in_file = i_stream.tellg (); // record for destructor |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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changeset
|
1475 i_stream.read (buf + old_remaining, bufsize - old_remaining); |
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move more new classes inside octave namespace
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|
1476 gcount = i_stream.gcount (); |
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diff
changeset
|
1477 } |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1478 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1479 gcount = 0; |
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move more new classes inside octave namespace
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diff
changeset
|
1480 |
71dd9d5a5ecd
move more new classes inside octave namespace
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diff
changeset
|
1481 eob = buf + old_remaining + gcount; |
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move more new classes inside octave namespace
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|
1482 last = eob; |
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|
1483 if (gcount == 0) |
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changeset
|
1484 { |
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diff
changeset
|
1485 delimited = false; |
71dd9d5a5ecd
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changeset
|
1486 |
71dd9d5a5ecd
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diff
changeset
|
1487 if (eob != buf) // no more data in file, but still some to go |
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|
1488 retval = 0; |
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changeset
|
1489 else |
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changeset
|
1490 // file and buffer are both done. |
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changeset
|
1491 retval = std::istream::traits_type::eof (); |
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diff
changeset
|
1492 } |
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diff
changeset
|
1493 else |
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diff
changeset
|
1494 { |
71dd9d5a5ecd
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diff
changeset
|
1495 delimited = true; |
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diff
changeset
|
1496 |
71dd9d5a5ecd
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changeset
|
1497 for (last = eob - longest; last - buf >= 0; last--) |
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changeset
|
1498 { |
71dd9d5a5ecd
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diff
changeset
|
1499 if (delims.find (*last) != std::string::npos) |
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diff
changeset
|
1500 break; |
71dd9d5a5ecd
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22323
diff
changeset
|
1501 } |
71dd9d5a5ecd
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diff
changeset
|
1502 |
71dd9d5a5ecd
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diff
changeset
|
1503 if (last < buf) |
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diff
changeset
|
1504 delimited = false; |
71dd9d5a5ecd
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diff
changeset
|
1505 |
71dd9d5a5ecd
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diff
changeset
|
1506 retval = 0; |
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diff
changeset
|
1507 } |
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diff
changeset
|
1508 |
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diff
changeset
|
1509 // Ensure fast peek doesn't give valid char |
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changeset
|
1510 if (retval == std::istream::traits_type::eof ()) |
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|
1511 *idx = '\0'; // FIXME: check that no TreatAsEmpty etc starts w. \0? |
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diff
changeset
|
1512 |
71dd9d5a5ecd
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diff
changeset
|
1513 return retval; |
71dd9d5a5ecd
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diff
changeset
|
1514 } |
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diff
changeset
|
1515 |
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1516 // Return a pointer to a block of data of size size, assuming that a |
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1517 // sufficiently large buffer is available in buffer, if required. |
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1518 // If called when delimited == true, and size is no greater than |
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|
1519 // longest_lookahead then this will not call refresh_buf, so seekg |
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1520 // still works. Otherwise, seekg may be invalidated. |
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|
1521 |
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|
1522 char * |
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|
1523 delimited_stream::read (char *buffer, int size, char* &prior_tell) |
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|
1524 { |
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|
1525 char *retval; |
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|
1526 |
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1527 if (eob - idx > size) |
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|
1528 { |
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|
1529 retval = idx; |
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|
1530 idx += size; |
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|
1531 if (idx > last) |
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1532 delimited = false; |
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|
1533 } |
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|
1534 else |
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|
1535 { |
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|
1536 // If there was a tellg pointing to an earlier point than the current |
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|
1537 // read position, try to keep it in the active buffer. |
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|
1538 // In the current code, prior_tell==idx for each call, |
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1539 // so this is not necessary, just a precaution. |
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|
1540 |
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1541 if (eob - prior_tell + size < bufsize) |
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|
1542 { |
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|
1543 octave_idx_type gap = idx - prior_tell; |
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|
1544 idx = prior_tell; |
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|
1545 refresh_buf (); |
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|
1546 idx += gap; |
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|
1547 } |
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|
1548 else // can't keep the tellg in range. May skip some data. |
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|
1549 { |
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|
1550 refresh_buf (); |
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|
1551 } |
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|
1552 |
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|
1553 prior_tell = buf; |
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|
1554 |
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|
1555 if (eob - idx > size) |
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|
1556 { |
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|
1557 retval = idx; |
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|
1558 idx += size; |
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|
1559 if (idx > last) |
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|
1560 delimited = false; |
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|
1561 } |
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|
1562 else |
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|
1563 { |
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|
1564 if (size <= bufsize) // small read, but reached EOF |
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|
1565 { |
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|
1566 retval = idx; |
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1567 memset (eob, 0, size + (idx - buf)); |
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|
1568 idx += size; |
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|
1569 } |
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1570 else // Reading more than the whole buf; return it in buffer |
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|
1571 { |
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1572 retval = buffer; |
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1573 // FIXME: read bufsize at a time |
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|
1574 int i; |
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|
1575 for (i = 0; i < size && ! eof (); i++) |
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|
1576 *buffer++ = get_undelim (); |
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1577 if (eof ()) |
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1578 memset (buffer, 0, size - i); |
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|
1579 } |
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|
1580 } |
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|
1581 } |
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|
1582 |
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|
1583 return retval; |
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|
1584 } |
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|
1585 |
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1586 // Return in OUT an entire line, terminated by delim. On input, OUT |
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1587 // must have length at least 1. |
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|
1588 |
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|
1589 int |
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|
1590 delimited_stream::getline (std::string& out, char delim) |
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|
1591 { |
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|
1592 int len = out.length (), used = 0; |
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|
1593 int ch; |
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|
1594 while ((ch = get_undelim ()) != delim |
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1595 && ch != std::istream::traits_type::eof ()) |
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|
1596 { |
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|
1597 out[used++] = ch; |
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|
1598 if (used == len) |
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|
1599 { |
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|
1600 len <<= 1; |
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|
1601 out.resize (len); |
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|
1602 } |
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|
1603 } |
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|
1604 out.resize (used); |
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|
1605 field_done (); |
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|
1606 |
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|
1607 return ch; |
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|
1608 } |
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|
1609 |
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1610 // A single conversion specifier, such as %f or %c. |
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1611 |
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|
1612 class |
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|
1613 textscan_format_elt |
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|
1614 { |
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|
1615 public: |
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|
1616 |
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|
1617 enum special_conversion |
22407
34ce5be04942
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Rik <rik@octave.org>
parents:
22327
diff
changeset
|
1618 { |
34ce5be04942
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Rik <rik@octave.org>
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22327
diff
changeset
|
1619 whitespace_conversion = 1, |
34ce5be04942
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Rik <rik@octave.org>
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22327
diff
changeset
|
1620 literal_conversion = 2 |
34ce5be04942
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22327
diff
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|
1621 }; |
22326
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|
1622 |
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|
1623 textscan_format_elt (const std::string& txt, int w = 0, int p = -1, |
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1624 int bw = 0, bool dis = false, char typ = '\0', |
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1625 const std::string& ch_class = std::string ()) |
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1626 : text (txt), width (w), prec (p), bitwidth (bw), |
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|
1627 char_class (ch_class), type (typ), discard (dis), |
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|
1628 numeric (typ == 'd' || typ == 'u' || type == 'f' || type == 'n') |
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1629 { } |
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|
1630 |
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|
1631 textscan_format_elt (const textscan_format_elt& e) |
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1632 : text (e.text), width (e.width), prec (e.prec), |
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|
1633 bitwidth (e.bitwidth), char_class (e.char_class), type (e.type), |
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1634 discard (e.discard), numeric (e.numeric) |
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1635 { } |
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|
1636 |
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|
1637 textscan_format_elt& operator = (const textscan_format_elt& e) |
21502
7a19c5678f91
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diff
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1638 { |
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1639 if (this != &e) |
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1640 { |
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1641 text = e.text; |
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1642 width = e.width; |
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1643 prec = e.prec; |
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1644 bitwidth = e.bitwidth; |
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1645 discard = e.discard; |
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1646 type = e.type; |
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1647 numeric = e.numeric; |
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1648 char_class = e.char_class; |
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1649 } |
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1650 |
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1651 return *this; |
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1652 } |
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1653 |
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1654 // The C-style format string. |
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1655 std::string text; |
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1656 |
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1657 // The maximum field width. |
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1658 unsigned int width; |
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1659 |
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1660 // The maximum number of digits to read after the decimal in a |
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1661 // floating point conversion. |
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1662 int prec; |
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1663 |
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1664 // The size of the result. For integers, bitwidth may be 8, 16, 34, |
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1665 // or 64. For floating point values, bitwidth may be 32 or 64. |
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1666 int bitwidth; |
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1667 |
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1668 // The class of characters in a `[' or `^' format. |
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1669 std::string char_class; |
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1670 |
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1671 // Type of conversion |
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1672 // -- `d', `u', `f', `n', `s', `q', `c', `%', `C', `D', `[' or `^'. |
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1673 char type; |
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1674 |
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1675 // TRUE if we are not storing the result of this conversion. |
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1676 bool discard; |
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1677 |
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1678 // TRUE if the type is 'd', 'u', 'f', 'n' |
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1679 bool numeric; |
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1680 }; |
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1681 |
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1682 // The (parsed) sequence of format specifiers. |
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1683 |
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1684 class textscan; |
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1685 |
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1686 class |
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1687 textscan_format_list |
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1688 { |
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1689 public: |
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1690 |
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1691 textscan_format_list (const std::string& fmt = std::string (), |
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1692 const std::string& who = "textscan"); |
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1693 |
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1694 ~textscan_format_list (void); |
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1695 |
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1696 octave_idx_type num_conversions (void) const { return nconv; } |
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1697 |
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1698 // The length can be different than the number of conversions. |
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1699 // For example, "x %d y %d z" has 2 conversions but the length of |
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1700 // the list is 3 because of the characters that appear after the |
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1701 // last conversion. |
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1702 |
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1703 size_t numel (void) const { return fmt_elts.size (); } |
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1704 |
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1705 const textscan_format_elt *first (void) |
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1706 { |
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1707 curr_idx = 0; |
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1708 return current (); |
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1709 } |
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1710 |
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1711 const textscan_format_elt *current (void) const |
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1712 { |
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1713 return numel () > 0 ? fmt_elts[curr_idx] : 0; |
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1714 } |
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1715 |
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1716 const textscan_format_elt *next (bool cycle = true) |
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1717 { |
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1718 curr_idx++; |
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1719 |
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1720 if (curr_idx >= numel ()) |
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1721 { |
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1722 if (cycle) |
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1723 curr_idx = 0; |
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1724 else |
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1725 return 0; |
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1726 } |
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1727 |
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1728 return current (); |
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1729 } |
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1730 |
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1731 void printme (void) const; |
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1732 |
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1733 bool ok (void) const { return (nconv >= 0); } |
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1734 |
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1735 operator const void* (void) const { return ok () ? this : 0; } |
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1736 |
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1737 // What function name should be shown when reporting errors. |
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1738 std::string who; |
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1739 |
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1740 // True if number of %f to be set from data file. |
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1741 bool set_from_first; |
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1742 |
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1743 // At least one conversion specifier is s,q,c, or [...]. |
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1744 bool has_string; |
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1745 |
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1746 int read_first_row (delimited_stream& is, textscan& ts); |
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1747 |
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1748 std::list<octave_value> out_buf (void) const { return (output_container); } |
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1749 |
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1750 private: |
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1751 |
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1752 // Number of conversions specified by this format string, or -1 if |
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1753 // invalid conversions have been found. |
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1754 octave_idx_type nconv; |
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1755 |
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1756 // Index to current element; |
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1757 size_t curr_idx; |
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1758 |
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1759 // List of format elements. |
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1760 std::deque<textscan_format_elt*> fmt_elts; |
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1761 |
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1762 // list holding column arrays of types specified by conversions |
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1763 std::list<octave_value> output_container; |
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1764 |
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1765 // Temporary buffer. |
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1766 std::ostringstream buf; |
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1767 |
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1768 void add_elt_to_list (unsigned int width, int prec, int bitwidth, |
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1769 octave_value val_type, bool discard, |
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1770 char type, |
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1771 const std::string& char_class = std::string ()); |
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1772 |
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1773 void process_conversion (const std::string& s, size_t& i, size_t n); |
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1774 |
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1775 std::string parse_char_class (const std::string& pattern) const; |
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1776 |
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1777 int finish_conversion (const std::string& s, size_t& i, size_t n, |
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1778 unsigned int& width, int& prec, int& bitwidth, |
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1779 octave_value& val_type, |
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1780 bool discard, char& type); |
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1781 // No copying! |
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1782 |
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1783 textscan_format_list (const textscan_format_list&); |
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1784 |
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1785 textscan_format_list& operator = (const textscan_format_list&); |
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1786 }; |
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1787 |
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1788 // Main class to implement textscan. Read data and parse it |
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1789 // according to a format. |
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1790 // |
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1791 // The calling sequence is |
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1792 // |
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1793 // textscan scanner (); |
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1794 // scanner.scan (...); |
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1795 |
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1796 class |
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1797 OCTINTERP_API |
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1798 textscan |
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1799 { |
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1800 public: |
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1801 |
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1802 textscan (const std::string& who_arg = "textscan"); |
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1803 |
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1804 ~textscan (void) { } |
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1805 |
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1806 octave_value scan (std::istream& isp, const std::string& fmt, |
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1807 octave_idx_type ntimes, |
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1808 const octave_value_list& options, |
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1809 octave_idx_type& read_count); |
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1810 |
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1811 private: |
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1812 |
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1813 friend class textscan_format_list; |
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1814 |
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1815 // What function name should be shown when reporting errors. |
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1816 std::string who; |
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1817 |
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1818 std::string buf; |
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1819 |
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1820 // Three cases for delim_table and delim_list |
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1821 // 1. delim_table empty, delim_list empty: whitespace delimiters |
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1822 // 2. delim_table = look-up table of delim chars, delim_list empty. |
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1823 // 3. delim_table non-empty, delim_list = Cell array of delim strings |
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1824 |
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1825 std::string whitespace_table; |
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1826 |
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1827 // delim_table[i] == '\0' if i is not a delimiter. |
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1828 std::string delim_table; |
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1829 |
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1830 // String of delimiter characters. |
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1831 std::string delims; |
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1832 |
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1833 Cell comment_style; |
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1834 |
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1835 // How far ahead to look to detect an open comment. |
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1836 int comment_len; |
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1837 |
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1838 // First character of open comment. |
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1839 int comment_char; |
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1840 |
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1841 octave_idx_type buffer_size; |
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1842 |
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1843 std::string date_locale; |
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1844 |
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1845 // 'inf' and 'nan' for formatted_double. |
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1846 Cell inf_nan; |
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1847 |
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1848 // Array of strings of delimiters. |
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1849 Cell delim_list; |
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1850 |
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1851 // Longest delimiter. |
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1852 int delim_len; |
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1853 |
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1854 octave_value empty_value; |
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1855 std::string exp_chars; |
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1856 int header_lines; |
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1857 Cell treat_as_empty; |
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1858 |
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1859 // Longest string to treat as "N/A". |
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1860 int treat_as_empty_len; |
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1861 |
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1862 std::string whitespace; |
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1863 |
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1864 short eol1; |
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1865 short eol2; |
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1866 short return_on_error; |
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1867 |
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1868 bool collect_output; |
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1869 bool multiple_delims_as_one; |
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1870 bool default_exp; |
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1871 bool numeric_delim; |
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1872 |
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1873 octave_idx_type lines; |
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1874 |
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1875 octave_value do_scan (std::istream& isp, textscan_format_list& fmt_list, |
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1876 octave_idx_type ntimes); |
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1877 |
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1878 void parse_options (const octave_value_list& args, |
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1879 textscan_format_list& fmt_list); |
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1880 |
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1881 int read_format_once (delimited_stream& isp, textscan_format_list& fmt_list, |
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1882 std::list<octave_value>& retval, |
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1883 Array<octave_idx_type> row, int& done_after); |
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1884 |
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1885 void scan_one (delimited_stream& is, const textscan_format_elt& fmt, |
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1886 octave_value& ov, Array<octave_idx_type> row); |
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1887 |
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1888 // Methods to process a particular conversion specifier. |
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1889 double read_double (delimited_stream& is, |
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1890 const textscan_format_elt& fmt) const; |
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1891 |
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1892 void scan_complex (delimited_stream& is, const textscan_format_elt& fmt, |
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1893 Complex& val) const; |
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1894 |
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1895 int scan_bracket (delimited_stream& is, const std::string& pattern, |
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1896 std::string& val) const; |
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1897 |
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1898 int scan_caret (delimited_stream& is, const std::string& pattern, |
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1899 std::string& val) const; |
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1900 |
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1901 void scan_string (delimited_stream& is, const textscan_format_elt& fmt, |
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1902 std::string& val) const; |
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1903 |
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1904 void scan_cstring (delimited_stream& is, const textscan_format_elt& fmt, |
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1905 std::string& val) const; |
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1906 |
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1907 void scan_qstring (delimited_stream& is, const textscan_format_elt& fmt, |
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1908 std::string& val); |
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1909 |
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1910 // Helper methods. |
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1911 std::string read_until (delimited_stream& is, const Cell& delimiters, |
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1912 const std::string& ends) const; |
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1913 |
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1914 int lookahead (delimited_stream& is, const Cell& targets, int max_len, |
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1915 bool case_sensitive = true) const; |
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1916 |
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1917 bool match_literal (delimited_stream& isp, const textscan_format_elt& elem); |
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1918 |
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1919 int skip_whitespace (delimited_stream& is, bool EOLstop = false); |
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1920 |
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1921 int skip_delim (delimited_stream& is); |
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1922 |
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1923 bool is_delim (unsigned char ch) const |
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1924 { |
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1925 return ((delim_table.empty () && (isspace (ch) || ch == eol1 || ch == eol2)) |
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1926 || delim_table[ch] != '\0'); |
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1927 } |
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1928 |
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1929 bool isspace (unsigned int ch) const { return whitespace_table[ch & 0xff]; } |
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1930 |
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1931 // True if the only delimiter is whitespace. |
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1932 bool whitespace_delim (void) const { return delim_table.empty (); } |
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1933 |
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1934 // No copying! |
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1935 |
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1936 textscan (const textscan&); |
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1937 |
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1938 textscan& operator = (const textscan&); |
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1939 }; |
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1940 |
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1941 textscan_format_list::textscan_format_list (const std::string& s, |
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1942 const std::string& who_arg) |
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1943 : who (who_arg), set_from_first (false), has_string (false), |
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1944 nconv (0), curr_idx (0), fmt_elts (), buf () |
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1945 { |
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1946 size_t n = s.length (); |
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1947 |
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1948 size_t i = 0; |
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1949 |
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1950 unsigned int width = -1; // Unspecified width = max (except %c) |
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1951 int prec = -1; |
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1952 int bitwidth = 0; |
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1953 bool discard = false; |
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1954 char type = '\0'; |
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1955 |
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1956 bool have_more = true; |
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1957 |
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1958 if (s.empty ()) |
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1959 { |
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1960 buf.clear (); |
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1961 buf.str (""); |
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1962 |
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1963 buf << "%f"; |
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1964 |
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1965 bitwidth = 64; |
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1966 type = 'f'; |
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1967 add_elt_to_list (width, prec, bitwidth, octave_value (NDArray ()), |
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1968 discard, type); |
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1969 have_more = false; |
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1970 set_from_first = true; |
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1971 nconv = 1; |
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1972 } |
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1973 else |
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1974 { |
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1975 set_from_first = false; |
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1976 |
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1977 while (i < n) |
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1978 { |
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1979 have_more = true; |
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1980 |
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1981 if (s[i] == '%' && (i+1 == n || s[i+1] != '%')) |
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1982 { |
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1983 // Process percent-escape conversion type. |
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1984 |
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1985 process_conversion (s, i, n); |
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1986 |
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1987 // If there is nothing in the buffer, then add_elt_to_list |
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1988 // must have just been called, so we are already done with |
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1989 // the current element and we don't need to call |
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1990 // add_elt_to_list if this is our last trip through the |
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1991 // loop. |
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1992 |
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1993 have_more = (buf.tellp () != 0); |
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1994 } |
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1995 else if (isspace (s[i])) |
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1996 { |
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1997 while (++i < n && isspace (s[i])) |
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1998 /* skip whitespace */; |
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1999 |
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2000 have_more = false; |
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2001 } |
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2002 else |
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2003 { |
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2004 type = textscan_format_elt::literal_conversion; |
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2005 |
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|
2006 width = 0; |
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|
2007 prec = -1; |
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|
2008 bitwidth = 0; |
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|
2009 discard = true; |
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|
2010 |
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|
2011 while (i < n && ! isspace (s[i]) |
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|
2012 && (s[i] != '%' || (i+1 < n && s[i+1] == '%'))) |
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|
2013 { |
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|
2014 if (s[i] == '%') // if double %, skip one |
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|
2015 i++; |
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|
2016 buf << s[i++]; |
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|
2017 width++; |
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|
2018 } |
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|
2019 |
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|
2020 add_elt_to_list (width, prec, bitwidth, octave_value (), |
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2021 discard, type); |
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|
2022 |
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2023 have_more = false; |
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|
2024 } |
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|
2025 |
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|
2026 if (nconv < 0) |
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|
2027 { |
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|
2028 have_more = false; |
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|
2029 break; |
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changeset
|
2030 } |
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|
2031 } |
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|
2032 } |
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|
2033 |
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|
2034 if (have_more) |
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|
2035 add_elt_to_list (width, prec, bitwidth, octave_value (), discard, type); |
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|
2036 |
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|
2037 buf.clear (); |
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|
2038 buf.str (""); |
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|
2039 } |
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|
2040 |
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|
2041 textscan_format_list::~textscan_format_list (void) |
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|
2042 { |
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|
2043 size_t n = numel (); |
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|
2044 |
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|
2045 for (size_t i = 0; i < n; i++) |
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move more new classes inside octave namespace
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|
2046 { |
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|
2047 textscan_format_elt *elt = fmt_elts[i]; |
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diff
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|
2048 delete elt; |
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diff
changeset
|
2049 } |
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diff
changeset
|
2050 } |
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diff
changeset
|
2051 |
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move more new classes inside octave namespace
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diff
changeset
|
2052 void |
71dd9d5a5ecd
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diff
changeset
|
2053 textscan_format_list::add_elt_to_list (unsigned int width, int prec, |
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move more new classes inside octave namespace
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|
2054 int bitwidth, octave_value val_type, |
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|
2055 bool discard, char type, |
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move more new classes inside octave namespace
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|
2056 const std::string& char_class) |
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|
2057 { |
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move more new classes inside octave namespace
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|
2058 std::string text = buf.str (); |
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move more new classes inside octave namespace
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|
2059 |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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changeset
|
2060 if (! text.empty ()) |
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|
2061 { |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2062 textscan_format_elt *elt |
22407
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
2063 = new textscan_format_elt (text, width, prec, bitwidth, discard, type, |
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
2064 char_class); |
22326
71dd9d5a5ecd
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
2065 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2066 if (! discard) |
71dd9d5a5ecd
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diff
changeset
|
2067 output_container.push_back (val_type); |
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changeset
|
2068 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2069 fmt_elts.push_back (elt); |
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changeset
|
2070 } |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2071 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2072 buf.clear (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2073 buf.str (""); |
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diff
changeset
|
2074 } |
71dd9d5a5ecd
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diff
changeset
|
2075 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2076 void |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2077 textscan_format_list::process_conversion (const std::string& s, size_t& i, |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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|
2078 size_t n) |
71dd9d5a5ecd
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|
2079 { |
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
2080 unsigned width = 0; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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changeset
|
2081 int prec = -1; |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2082 int bitwidth = 0; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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changeset
|
2083 bool discard = false; |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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changeset
|
2084 octave_value val_type; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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changeset
|
2085 char type = '\0'; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2086 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2087 buf << s[i++]; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2088 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2089 bool have_width = false; |
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diff
changeset
|
2090 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2091 while (i < n) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2092 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2093 switch (s[i]) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2094 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2095 case '*': |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2096 if (discard) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2097 nconv = -1; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2098 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2099 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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changeset
|
2100 discard = true; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
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changeset
|
2101 buf << s[i++]; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2102 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2103 break; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2104 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2105 case '0': case '1': case '2': case '3': case '4': |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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changeset
|
2106 case '5': case '6': case '7': case '8': case '9': |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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changeset
|
2107 if (have_width) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2108 nconv = -1; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2109 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2110 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2111 char c = s[i++]; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2112 width = width * 10 + c - '0'; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2113 have_width = true; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2114 buf << c; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2115 while (i < n && isdigit (s[i])) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2116 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2117 c = s[i++]; |
71dd9d5a5ecd
move more new classes inside octave namespace
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22323
diff
changeset
|
2118 width = width * 10 + c - '0'; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2119 buf << c; |
71dd9d5a5ecd
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John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2120 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2121 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2122 if (i < n && s[i] == '.') |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2123 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2124 buf << s[i++]; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2125 prec = 0; |
71dd9d5a5ecd
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John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2126 while (i < n && isdigit (s[i])) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2127 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2128 c = s[i++]; |
71dd9d5a5ecd
move more new classes inside octave namespace
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22323
diff
changeset
|
2129 prec = prec * 10 + c - '0'; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2130 buf << c; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2131 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2132 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2133 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2134 break; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2135 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2136 case 'd': case 'u': |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
2137 { |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2138 bool done = true; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2139 buf << (type = s[i++]); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2140 if (i < n) |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
2141 { |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2142 if (s[i] == '8') |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2143 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2144 bitwidth = 8; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2145 if (type == 'd') |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2146 val_type = octave_value (int8NDArray ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2147 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2148 val_type = octave_value (uint8NDArray ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2149 buf << s[i++]; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2150 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2151 else if (s[i] == '1' && i+1 < n && s[i+1] == '6') |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
2152 { |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2153 bitwidth = 16; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2154 if (type == 'd') |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2155 val_type = octave_value (int16NDArray ()); |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
2156 else |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2157 val_type = octave_value (uint16NDArray ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2158 buf << s[i++]; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2159 buf << s[i++]; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2160 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2161 else if (s[i] == '3' && i+1 < n && s[i+1] == '2') |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2162 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2163 done = false; // use default size below |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2164 buf << s[i++]; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2165 buf << s[i++]; |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
2166 } |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2167 else if (s[i] == '6' && i+1 < n && s[i+1] == '4') |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2168 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2169 bitwidth = 64; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2170 if (type == 'd') |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2171 val_type = octave_value (int64NDArray ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2172 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2173 val_type = octave_value (uint64NDArray ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2174 buf << s[i++]; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2175 buf << s[i++]; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2176 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2177 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2178 done = false; |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
2179 } |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
2180 else |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2181 done = false; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2182 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2183 if (! done) |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
2184 { |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2185 bitwidth = 32; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2186 if (type == 'd') |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2187 val_type = octave_value (int32NDArray ()); |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
2188 else |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2189 val_type = octave_value (uint32NDArray ()); |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
2190 } |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2191 goto fini; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2192 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2193 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2194 case 'f': |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2195 buf << (type = s[i++]); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2196 bitwidth = 64; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2197 if (i < n) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2198 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2199 if (s[i] == '3' && i+1 < n && s[i+1] == '2') |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2200 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2201 bitwidth = 32; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2202 val_type = octave_value (FloatNDArray ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2203 buf << s[i++]; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2204 buf << s[i++]; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2205 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2206 else if (s[i] == '6' && i+1 < n && s[i+1] == '4') |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2207 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2208 val_type = octave_value (NDArray ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2209 buf << s[i++]; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2210 buf << s[i++]; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2211 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2212 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2213 val_type = octave_value (NDArray ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2214 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2215 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2216 val_type = octave_value (NDArray ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2217 goto fini; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2218 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2219 case 'n': |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2220 buf << (type = s[i++]); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2221 bitwidth = 64; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2222 val_type = octave_value (NDArray ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2223 goto fini; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2224 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2225 case 's': case 'q': case '[': case 'c': |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2226 if (! discard) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2227 val_type = octave_value (Cell ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2228 buf << (type = s[i++]); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2229 has_string = true; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2230 goto fini; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2231 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2232 fini: |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2233 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2234 if (! have_width) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2235 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2236 if (type == 'c') // %c defaults to one character |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2237 width = 1; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2238 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2239 width = static_cast<unsigned int> (-1); // others: unlimited |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2240 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2241 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2242 if (finish_conversion (s, i, n, width, prec, bitwidth, val_type, |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2243 discard, type) == 0) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2244 return; |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
2245 } |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2246 break; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2247 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2248 default: |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2249 error ("%s: '%%%c' is not a valid format specifier", |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2250 who.c_str (), s[i]); |
71dd9d5a5ecd
move more new classes inside octave namespace
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22323
diff
changeset
|
2251 } |
71dd9d5a5ecd
move more new classes inside octave namespace
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diff
changeset
|
2252 |
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move more new classes inside octave namespace
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diff
changeset
|
2253 if (nconv < 0) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2254 break; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2255 } |
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move more new classes inside octave namespace
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diff
changeset
|
2256 |
71dd9d5a5ecd
move more new classes inside octave namespace
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diff
changeset
|
2257 nconv = -1; |
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move more new classes inside octave namespace
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diff
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|
2258 } |
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move more new classes inside octave namespace
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diff
changeset
|
2259 |
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diff
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|
2260 // Parse [...] and [^...] |
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move more new classes inside octave namespace
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diff
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|
2261 // |
71dd9d5a5ecd
move more new classes inside octave namespace
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diff
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|
2262 // Matlab does not expand expressions like A-Z, but they are useful, and |
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move more new classes inside octave namespace
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diff
changeset
|
2263 // so we parse them "carefully". We treat '-' as a usual character |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
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|
2264 // unless both start and end characters are from the same class (upper |
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move more new classes inside octave namespace
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diff
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|
2265 // case, lower case, numeric), or this is not the first '-' in the |
71dd9d5a5ecd
move more new classes inside octave namespace
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diff
changeset
|
2266 // pattern. |
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move more new classes inside octave namespace
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diff
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|
2267 // |
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diff
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|
2268 // Keep both a running list of characters and a mask of which chars have |
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diff
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|
2269 // occurred. The first is efficient for patterns with few characters. |
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diff
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|
2270 // The latter is efficient for [^...] patterns. |
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|
2271 |
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diff
changeset
|
2272 std::string |
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diff
changeset
|
2273 textscan_format_list::parse_char_class (const std::string& pattern) const |
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diff
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|
2274 { |
71dd9d5a5ecd
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diff
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|
2275 int len = pattern.length (); |
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diff
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|
2276 if (len == 0) |
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diff
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|
2277 return ""; |
71dd9d5a5ecd
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diff
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|
2278 |
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|
2279 std::string retval (256, '\0'); |
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diff
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|
2280 std::string mask (256, '\0'); // number of times chr has been seen |
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|
2281 |
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diff
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|
2282 int in = 0, out = 0; |
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diff
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|
2283 unsigned char ch, prev = 0; |
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|
2284 bool flip = false; |
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|
2285 |
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|
2286 ch = pattern[in]; |
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|
2287 if (ch == '^') |
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|
2288 { |
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diff
changeset
|
2289 in++; |
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diff
changeset
|
2290 flip = true; |
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diff
changeset
|
2291 } |
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changeset
|
2292 mask[pattern[in]] = '\1'; |
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diff
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|
2293 retval[out++] = pattern[in++]; // even copy ']' if it is first |
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diff
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|
2294 |
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diff
changeset
|
2295 bool prev_was_range = false; // disallow "a-m-z" as a pattern |
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|
2296 bool prev_prev_was_range = false; |
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|
2297 for (; in < len; in++) |
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|
2298 { |
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|
2299 bool was_range = false; |
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|
2300 ch = pattern[in]; |
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|
2301 if (ch == ']') |
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changeset
|
2302 break; |
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diff
changeset
|
2303 |
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changeset
|
2304 if (prev == '-' && in > 1 && isalnum (ch) && ! prev_prev_was_range) |
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|
2305 { |
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changeset
|
2306 unsigned char start_of_range = pattern[in-2]; |
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|
2307 if (start_of_range < ch |
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|
2308 && ((isupper (ch) && isupper (start_of_range)) |
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|
2309 || (islower (ch) && islower (start_of_range)) |
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|
2310 || (isdigit (ch) && isdigit (start_of_range)) |
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diff
changeset
|
2311 || mask['-'] > 1)) // not the first '-' |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
2312 { |
22326
71dd9d5a5ecd
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|
2313 was_range = true; |
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diff
changeset
|
2314 out--; |
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diff
changeset
|
2315 mask['-']--; |
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changeset
|
2316 for (int i = start_of_range; i <= ch; i++) |
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|
2317 { |
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|
2318 if (mask[i] == '\0') |
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changeset
|
2319 { |
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changeset
|
2320 mask[i] = '\1'; |
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|
2321 retval[out++] = i; |
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diff
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|
2322 } |
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diff
changeset
|
2323 } |
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diff
changeset
|
2324 } |
71dd9d5a5ecd
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diff
changeset
|
2325 } |
71dd9d5a5ecd
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
2326 if (! was_range) |
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diff
changeset
|
2327 { |
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diff
changeset
|
2328 if (mask[ch]++ == 0) |
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|
2329 retval[out++] = ch; |
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diff
changeset
|
2330 else if (ch != '-') |
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changeset
|
2331 warning_with_id ("octave:textscan-pattern", |
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diff
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|
2332 "%s: [...] contains two '%c's", |
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diff
changeset
|
2333 who.c_str (), ch); |
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diff
changeset
|
2334 |
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changeset
|
2335 if (prev == '-' && mask['-'] >= 2) |
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|
2336 warning_with_id |
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|
2337 ("octave:textscan-pattern", |
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|
2338 "%s: [...] contains two '-'s outside range expressions", |
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changeset
|
2339 who.c_str ()); |
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diff
changeset
|
2340 } |
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diff
changeset
|
2341 prev = ch; |
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changeset
|
2342 prev_prev_was_range = prev_was_range; |
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|
2343 prev_was_range = was_range; |
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changeset
|
2344 } |
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changeset
|
2345 |
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|
2346 if (flip) // [^...] |
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|
2347 { |
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changeset
|
2348 out = 0; |
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changeset
|
2349 for (int i = 0; i < 256; i++) |
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|
2350 if (! mask[i]) |
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|
2351 retval[out++] = i; |
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|
2352 } |
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|
2353 |
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|
2354 retval.resize (out); |
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|
2355 |
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changeset
|
2356 return retval; |
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|
2357 } |
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changeset
|
2358 |
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changeset
|
2359 int |
71dd9d5a5ecd
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changeset
|
2360 textscan_format_list::finish_conversion (const std::string& s, size_t& i, |
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|
2361 size_t n, unsigned int& width, |
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|
2362 int& prec, int& bitwidth, |
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|
2363 octave_value& val_type, bool discard, |
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|
2364 char& type) |
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changeset
|
2365 { |
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changeset
|
2366 int retval = 0; |
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|
2367 |
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|
2368 std::string char_class; |
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|
2369 |
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changeset
|
2370 size_t beg_idx = std::string::npos; |
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|
2371 size_t end_idx = std::string::npos; |
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|
2372 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2373 if (type != '%') |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2374 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2375 nconv++; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2376 if (type == '[') |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2377 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2378 if (i < n) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2379 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2380 beg_idx = i; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2381 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2382 if (s[i] == '^') |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
2383 { |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2384 type = '^'; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2385 buf << s[i++]; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2386 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2387 if (i < n) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2388 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2389 beg_idx = i; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2390 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2391 if (s[i] == ']') |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2392 buf << s[i++]; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2393 } |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
2394 } |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2395 else if (s[i] == ']') |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2396 buf << s[i++]; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2397 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2398 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2399 while (i < n && s[i] != ']') |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2400 buf << s[i++]; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2401 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2402 if (i < n && s[i] == ']') |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2403 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2404 end_idx = i-1; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2405 buf << s[i++]; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2406 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2407 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2408 if (s[i-1] != ']') |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2409 retval = nconv = -1; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2410 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2411 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2412 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2413 if (nconv >= 0) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2414 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2415 if (beg_idx != std::string::npos && end_idx != std::string::npos) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2416 char_class = parse_char_class (s.substr (beg_idx, |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2417 end_idx - beg_idx + 1)); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2418 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2419 add_elt_to_list (width, prec, bitwidth, val_type, discard, type, |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2420 char_class); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2421 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2422 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2423 return retval; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2424 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2425 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2426 void |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2427 textscan_format_list::printme (void) const |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2428 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2429 size_t n = numel (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2430 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2431 for (size_t i = 0; i < n; i++) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2432 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2433 textscan_format_elt *elt = fmt_elts[i]; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2434 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2435 std::cerr |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2436 << "width: " << elt->width << "\n" |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2437 << "digits " << elt->prec << "\n" |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2438 << "bitwidth: " << elt->bitwidth << "\n" |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2439 << "discard: " << elt->discard << "\n" |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2440 << "type: "; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2441 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2442 if (elt->type == textscan_format_elt::literal_conversion) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2443 std::cerr << "literal text\n"; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2444 else if (elt->type == textscan_format_elt::whitespace_conversion) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2445 std::cerr << "whitespace\n"; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2446 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2447 std::cerr << elt->type << "\n"; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2448 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2449 std::cerr |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2450 << "char_class: `" << undo_string_escapes (elt->char_class) << "'\n" |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2451 << "text: `" << undo_string_escapes (elt->text) << "'\n\n"; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2452 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2453 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2454 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2455 // If FORMAT is explicitly "", it is assumed to be "%f" repeated enough |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2456 // times to read the first row of the file. Set it now. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2457 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2458 int |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2459 textscan_format_list::read_first_row (delimited_stream& is, textscan& ts) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2460 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2461 // Read first line and strip end-of-line, which may be two characters |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2462 std::string first_line (20, ' '); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2463 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2464 is.getline (first_line, static_cast<char> (ts.eol2)); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2465 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2466 if (! first_line.empty () |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2467 && first_line[first_line.length () - 1] == ts.eol1) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2468 first_line.resize (first_line.length () - 1); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2469 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2470 std::istringstream strstr (first_line); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2471 delimited_stream ds (strstr, is); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2472 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2473 dim_vector dv (1,1); // initial size of each output_container |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2474 Complex val; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2475 octave_value val_type; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2476 nconv = 0; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2477 int max_empty = 1000; // failsafe, if ds fails but not with eof |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2478 int retval = 0; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2479 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2480 // read line, creating output_container as we go |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2481 while (! ds.eof ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2482 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2483 bool already_skipped_delim = false; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2484 ts.skip_whitespace (ds); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2485 ds.progress_benchmark (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2486 bool progress = false; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2487 ts.scan_complex (ds, *fmt_elts[0], val); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2488 if (ds.fail ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2489 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2490 ds.clear (ds.rdstate () & ~std::ios::failbit); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2491 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2492 if (ds.eof ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2493 break; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2494 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2495 // Unless this was a missing value (i.e., followed by a delimiter), |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2496 // return with an error status. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2497 ts.skip_delim (ds); |
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move more new classes inside octave namespace
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diff
changeset
|
2498 if (ds.no_progress ()) |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2499 { |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2500 retval = 4; |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
2501 break; |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
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parents:
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diff
changeset
|
2502 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2503 already_skipped_delim = true; |
71dd9d5a5ecd
move more new classes inside octave namespace
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diff
changeset
|
2504 |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2505 val = ts.empty_value.scalar_value (); |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2506 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2507 if (! --max_empty) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2508 break; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2509 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2510 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2511 if (val.imag () == 0) |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2512 val_type = octave_value (NDArray (dv, val.real ())); |
71dd9d5a5ecd
move more new classes inside octave namespace
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diff
changeset
|
2513 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2514 val_type = octave_value (ComplexNDArray (dv, val)); |
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move more new classes inside octave namespace
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diff
changeset
|
2515 |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2516 output_container.push_back (val_type); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2517 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2518 if (! already_skipped_delim) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2519 ts.skip_delim (ds); |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2520 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2521 if (! progress && ds.no_progress ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2522 break; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2523 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2524 nconv++; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2525 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2526 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2527 output_container.pop_front (); // discard empty element from constructor |
71dd9d5a5ecd
move more new classes inside octave namespace
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diff
changeset
|
2528 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2529 // Create fmt_list now that the size is known |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2530 for (octave_idx_type i = 1; i < nconv; i++) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2531 fmt_elts.push_back (new textscan_format_elt (*fmt_elts[0])); |
71dd9d5a5ecd
move more new classes inside octave namespace
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diff
changeset
|
2532 |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2533 return retval; // May have returned 4 above. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2534 } |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2535 |
71dd9d5a5ecd
move more new classes inside octave namespace
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diff
changeset
|
2536 textscan::textscan (const std::string& who_arg) |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2537 : who (who_arg), buf (), whitespace_table (), delim_table (), |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2538 delims (), comment_style (), comment_len (0), comment_char (-2), |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2539 buffer_size (0), date_locale (), inf_nan (init_inf_nan ()), |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2540 empty_value (octave::numeric_limits<double>::NaN ()), exp_chars ("edED"), |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2541 header_lines (0), treat_as_empty (), treat_as_empty_len (0), |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2542 whitespace (" \b\t"), eol1 ('\r'), eol2 ('\n'), |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2543 return_on_error (1), collect_output (false), |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2544 multiple_delims_as_one (false), default_exp (true), |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2545 numeric_delim (false), lines (0) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2546 { } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2547 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2548 octave_value |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2549 textscan::scan (std::istream& isp, const std::string& fmt, |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2550 octave_idx_type ntimes, const octave_value_list& options, |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2551 octave_idx_type& count) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2552 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2553 textscan_format_list fmt_list (fmt); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2554 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2555 parse_options (options, fmt_list); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2556 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2557 octave_value result = do_scan (isp, fmt_list, ntimes); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2558 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2559 // FIXME: this is probably not the best way to get count. The |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2560 // position could easily be larger than octave_idx_type when using |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2561 // 32-bit indexing. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2562 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2563 std::ios::iostate state = isp.rdstate (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2564 isp.clear (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2565 count = static_cast<octave_idx_type> (isp.tellg ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2566 isp.setstate (state); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2567 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2568 return result; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2569 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2570 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2571 octave_value |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2572 textscan::do_scan (std::istream& isp, textscan_format_list& fmt_list, |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2573 octave_idx_type ntimes) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2574 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2575 octave_value retval; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2576 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2577 if (fmt_list.num_conversions () == -1) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2578 error ("%s: invalid format specified", who.c_str ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2579 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2580 if (fmt_list.num_conversions () == 0) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2581 error ("%s: no valid format conversion specifiers", who.c_str ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2582 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2583 // skip the first header_lines |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2584 std::string dummy; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2585 for (int i = 0; i < header_lines && isp; i++) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2586 getline (isp, dummy, static_cast<char> (eol2)); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2587 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2588 // Create our own buffered stream, for fast get/putback/tell/seek. |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2589 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2590 // First, see how far ahead it should let us look. |
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move more new classes inside octave namespace
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22323
diff
changeset
|
2591 int max_lookahead = std::max (std::max (comment_len, treat_as_empty_len), |
71dd9d5a5ecd
move more new classes inside octave namespace
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diff
changeset
|
2592 std::max (delim_len, 3)); // 3 for NaN and Inf |
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move more new classes inside octave namespace
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22323
diff
changeset
|
2593 |
71dd9d5a5ecd
move more new classes inside octave namespace
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diff
changeset
|
2594 // Next, choose a buffer size to avoid reading too much, or too often. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2595 octave_idx_type buf_size = 4096; |
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move more new classes inside octave namespace
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diff
changeset
|
2596 if (buffer_size) |
71dd9d5a5ecd
move more new classes inside octave namespace
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diff
changeset
|
2597 buf_size = buffer_size; |
71dd9d5a5ecd
move more new classes inside octave namespace
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diff
changeset
|
2598 else if (ntimes > 0) |
71dd9d5a5ecd
move more new classes inside octave namespace
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22323
diff
changeset
|
2599 { |
71dd9d5a5ecd
move more new classes inside octave namespace
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22323
diff
changeset
|
2600 // Avoid overflow of 80*ntimes... |
71dd9d5a5ecd
move more new classes inside octave namespace
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22323
diff
changeset
|
2601 buf_size = std::min (buf_size, std::max (ntimes, 80 * ntimes)); |
71dd9d5a5ecd
move more new classes inside octave namespace
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diff
changeset
|
2602 buf_size = std::max (buf_size, ntimes); |
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move more new classes inside octave namespace
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22323
diff
changeset
|
2603 } |
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diff
changeset
|
2604 // Finally, create the stream. |
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diff
changeset
|
2605 delimited_stream is (isp, |
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move more new classes inside octave namespace
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22323
diff
changeset
|
2606 (delim_table.empty () ? whitespace + "\r\n" : delims), |
71dd9d5a5ecd
move more new classes inside octave namespace
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22323
diff
changeset
|
2607 max_lookahead, buf_size); |
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22323
diff
changeset
|
2608 |
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diff
changeset
|
2609 // Grow retval dynamically. "size" is half the initial size |
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move more new classes inside octave namespace
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22323
diff
changeset
|
2610 // (FIXME: Should we start smaller if ntimes is large?) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2611 octave_idx_type size = ((ntimes < 8 && ntimes >= 0) ? ntimes : 1); |
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2612 Array<octave_idx_type> row_idx (dim_vector (1,2)); |
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2613 row_idx(1) = 0; |
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2614 |
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2615 int err = 0; |
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2616 octave_idx_type row = 0; |
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2617 |
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2618 if (multiple_delims_as_one) // bug #44750? |
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2619 skip_delim (is); |
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2620 |
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2621 int done_after; // Number of columns read when EOF seen. |
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2622 |
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2623 // If FORMAT explicitly "", read first line and see how many "%f" match |
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2624 if (fmt_list.set_from_first) |
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2625 { |
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2626 err = fmt_list.read_first_row (is, *this); |
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2627 lines = 1; |
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2628 |
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2629 done_after = fmt_list.numel () + 1; |
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2630 if (! err) |
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2631 row = 1; // the above puts the first line into fmt_list.out_buf () |
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2632 } |
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2633 else |
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2634 done_after = fmt_list.out_buf ().size () + 1; |
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2635 |
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2636 std::list<octave_value> out = fmt_list.out_buf (); |
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2637 |
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2638 // We will later merge adjacent columns of the same type. |
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2639 // Check now which columns to merge. |
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2640 // Reals may become complex, and so we can't trust types |
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2641 // after reading in data. |
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2642 // If the format was "", that conversion may already have happened, |
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2643 // so force all to be merged (as all are %f). |
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2644 bool merge_with_prev[fmt_list.numel ()]; |
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2645 int conv = 0; |
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2646 if (collect_output) |
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2647 { |
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2648 int prev_type = -1; |
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2649 for (std::list<octave_value>::iterator col = out.begin (); |
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2650 col != out.end (); col++) |
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2651 { |
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2652 if (col->type_id () == prev_type |
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2653 || (fmt_list.set_from_first && prev_type != -1)) |
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2654 merge_with_prev [conv++] = true; |
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2655 else |
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2656 merge_with_prev [conv++] = false; |
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2657 |
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2658 prev_type = col->type_id (); |
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2659 } |
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2660 } |
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2661 |
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2662 // This should be caught by earlier code, but this avoids a possible |
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2663 // infinite loop below. |
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2664 if (fmt_list.num_conversions () == 0) |
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2665 error ("%s: No conversions specified", who.c_str ()); |
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2666 |
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2667 // Read the data. This is the main loop. |
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2668 if (! err) |
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|
2669 { |
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2670 for (/* row set ~30 lines above */; row < ntimes || ntimes == -1; row++) |
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2671 { |
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2672 if (row == 0 || row >= size) |
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2673 { |
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2674 size += size+1; |
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2675 for (std::list<octave_value>::iterator col = out.begin (); |
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2676 col != out.end (); col++) |
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2677 *col = (*col).resize (dim_vector (size, 1), 0); |
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2678 } |
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|
2679 |
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2680 row_idx(0) = row; |
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2681 err = read_format_once (is, fmt_list, out, row_idx, done_after); |
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2682 |
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2683 if ((err & ~1) > 0 || ! is || (lines >= ntimes && ntimes > -1)) |
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|
2684 break; |
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|
2685 } |
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|
2686 } |
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|
2687 |
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2688 if ((err & 4) && ! return_on_error) |
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2689 error ("%s: Read error in field %d of row %d", who.c_str (), |
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|
2690 done_after + 1, row + 1); |
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|
2691 |
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|
2692 // If file does not end in EOL, do not pad columns with NaN. |
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2693 bool uneven_columns = false; |
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2694 if (err & 4) |
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|
2695 uneven_columns = true; |
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2696 else if (isp.eof ()) |
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|
2697 { |
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|
2698 isp.clear (); |
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|
2699 isp.seekg (-1, std::ios_base::end); |
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2700 int last_char = isp.get (); |
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2701 isp.setstate (isp.eofbit); |
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2702 uneven_columns = (last_char != eol1 && last_char != eol2); |
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2703 } |
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|
2704 |
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|
2705 // convert return value to Cell array |
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2706 Array<octave_idx_type> ra_idx (dim_vector (1,2)); |
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2707 |
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2708 // (err & 1) means "error, and no columns read this row |
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2709 // FIXME: This may redundant now that done_after=0 says the same |
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2710 if (err & 1) |
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2711 done_after = out.size () + 1; |
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2712 |
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|
2713 int valid_rows = (row == ntimes) ? ntimes |
22407
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
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22327
diff
changeset
|
2714 : (((err & 1) && (err & 8)) ? row : row+1); |
22326
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2715 dim_vector dv (valid_rows, 1); |
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2716 |
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2717 ra_idx(0) = 0; |
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2718 int i = 0; |
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2719 if (! collect_output) |
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2720 { |
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2721 retval = Cell (dim_vector (1, out.size ())); |
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2722 for (std::list<octave_value>::iterator col = out.begin (); |
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2723 col != out.end (); col++, i++) |
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2724 { |
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2725 // trim last columns if that was requested |
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2726 if (i == done_after && uneven_columns) |
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2727 dv = dim_vector (std::max (valid_rows - 1, 0), 1); |
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2728 |
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|
2729 ra_idx(1) = i; |
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|
2730 retval = do_cat_op (retval, octave_value (Cell (col->resize (dv,0))), |
71dd9d5a5ecd
move more new classes inside octave namespace
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diff
changeset
|
2731 ra_idx); |
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diff
changeset
|
2732 } |
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diff
changeset
|
2733 } |
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diff
changeset
|
2734 else // group adjacent cells of the same type into a single cell |
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diff
changeset
|
2735 { |
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diff
changeset
|
2736 octave_value cur; // current cell, accumulating columns |
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diff
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|
2737 octave_idx_type group_size = 0; // columns in this cell |
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move more new classes inside octave namespace
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diff
changeset
|
2738 int prev_type = -1; |
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diff
changeset
|
2739 |
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move more new classes inside octave namespace
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diff
changeset
|
2740 conv = 0; |
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diff
changeset
|
2741 retval = Cell (); |
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diff
changeset
|
2742 for (std::list<octave_value>::iterator col = out.begin (); |
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diff
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|
2743 col != out.end (); col++) |
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move more new classes inside octave namespace
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diff
changeset
|
2744 { |
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move more new classes inside octave namespace
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diff
changeset
|
2745 if (! merge_with_prev [conv++]) // including first time |
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move more new classes inside octave namespace
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parents:
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diff
changeset
|
2746 { |
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diff
changeset
|
2747 if (prev_type != -1) |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
2748 { |
22326
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move more new classes inside octave namespace
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diff
changeset
|
2749 ra_idx(1) = i++; |
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diff
changeset
|
2750 retval = do_cat_op (retval, octave_value (Cell (cur)), |
71dd9d5a5ecd
move more new classes inside octave namespace
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diff
changeset
|
2751 ra_idx); |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
2752 } |
22326
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diff
changeset
|
2753 cur = octave_value (col->resize (dv,0)); |
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diff
changeset
|
2754 group_size = 1; |
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diff
changeset
|
2755 prev_type = col->type_id (); |
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move more new classes inside octave namespace
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diff
changeset
|
2756 } |
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
2757 else |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2758 { |
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move more new classes inside octave namespace
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diff
changeset
|
2759 ra_idx(1) = group_size++; |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2760 cur = do_cat_op (cur, octave_value (col->resize (dv,0)), |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2761 ra_idx); |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2762 } |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2763 } |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2764 ra_idx(1) = i; |
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diff
changeset
|
2765 retval = do_cat_op (retval, octave_value (Cell (cur)), ra_idx); |
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diff
changeset
|
2766 } |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2767 |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2768 return retval; |
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move more new classes inside octave namespace
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diff
changeset
|
2769 } |
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move more new classes inside octave namespace
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diff
changeset
|
2770 |
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diff
changeset
|
2771 // Read a double considering the "precision" field of FMT and the |
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diff
changeset
|
2772 // EXP_CHARS option of OPTIONS. |
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diff
changeset
|
2773 |
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diff
changeset
|
2774 double |
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diff
changeset
|
2775 textscan::read_double (delimited_stream& is, |
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diff
changeset
|
2776 const textscan_format_elt& fmt) const |
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diff
changeset
|
2777 { |
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diff
changeset
|
2778 int sign = 1; |
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diff
changeset
|
2779 unsigned int width_left = fmt.width; |
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diff
changeset
|
2780 double retval = 0; |
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diff
changeset
|
2781 bool valid = false; // syntactically correct double? |
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diff
changeset
|
2782 |
71dd9d5a5ecd
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
2783 int ch = is.peek (); |
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move more new classes inside octave namespace
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diff
changeset
|
2784 |
71dd9d5a5ecd
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parents:
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diff
changeset
|
2785 if (ch == '+') |
71dd9d5a5ecd
move more new classes inside octave namespace
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parents:
22323
diff
changeset
|
2786 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2787 is.get (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2788 ch = is.peek (); |
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move more new classes inside octave namespace
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diff
changeset
|
2789 if (width_left) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2790 width_left--; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2791 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2792 else if (ch == '-') |
71dd9d5a5ecd
move more new classes inside octave namespace
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parents:
22323
diff
changeset
|
2793 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2794 sign = -1; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2795 is.get (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2796 ch = is.peek (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2797 if (width_left) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2798 width_left--; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2799 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2800 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2801 // Read integer part |
71dd9d5a5ecd
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John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2802 if (ch != '.') |
71dd9d5a5ecd
move more new classes inside octave namespace
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22323
diff
changeset
|
2803 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2804 if (ch >= '0' && ch <= '9') // valid if at least one digit |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2805 valid = true; |
71dd9d5a5ecd
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John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2806 while (width_left-- && is && (ch = is.get ()) >= '0' && ch <= '9') |
71dd9d5a5ecd
move more new classes inside octave namespace
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diff
changeset
|
2807 retval = retval * 10 + (ch - '0'); |
71dd9d5a5ecd
move more new classes inside octave namespace
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parents:
22323
diff
changeset
|
2808 width_left++; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2809 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2810 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2811 // Read fractional part, up to specified precision |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2812 if (ch == '.' && width_left) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2813 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2814 double multiplier = 1; |
71dd9d5a5ecd
move more new classes inside octave namespace
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diff
changeset
|
2815 int precision = fmt.prec; |
71dd9d5a5ecd
move more new classes inside octave namespace
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22323
diff
changeset
|
2816 int i; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2817 |
71dd9d5a5ecd
move more new classes inside octave namespace
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diff
changeset
|
2818 if (width_left) |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2819 width_left--; // Consider width of '.' |
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move more new classes inside octave namespace
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diff
changeset
|
2820 |
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move more new classes inside octave namespace
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diff
changeset
|
2821 if (precision == -1) |
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move more new classes inside octave namespace
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diff
changeset
|
2822 precision = 1<<30; // FIXME: Should be MAXINT |
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move more new classes inside octave namespace
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22323
diff
changeset
|
2823 |
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move more new classes inside octave namespace
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22323
diff
changeset
|
2824 if (! valid) // if there was nothing before '.'... |
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move more new classes inside octave namespace
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diff
changeset
|
2825 is.get (); // ...ch was a "peek", not "get". |
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move more new classes inside octave namespace
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22323
diff
changeset
|
2826 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
2827 for (i = 0; i < precision; i++) |
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move more new classes inside octave namespace
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22323
diff
changeset
|
2828 { |
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diff
changeset
|
2829 if (width_left-- && is && (ch = is.get ()) >= '0' && ch <= '9') |
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move more new classes inside octave namespace
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diff
changeset
|
2830 retval += (ch - '0') * (multiplier *= 0.1); |
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move more new classes inside octave namespace
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diff
changeset
|
2831 else |
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move more new classes inside octave namespace
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diff
changeset
|
2832 { |
71dd9d5a5ecd
move more new classes inside octave namespace
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22323
diff
changeset
|
2833 width_left++; |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
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21477
diff
changeset
|
2834 break; |
22326
71dd9d5a5ecd
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22323
diff
changeset
|
2835 } |
71dd9d5a5ecd
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22323
diff
changeset
|
2836 } |
71dd9d5a5ecd
move more new classes inside octave namespace
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22323
diff
changeset
|
2837 |
71dd9d5a5ecd
move more new classes inside octave namespace
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diff
changeset
|
2838 // round up if we truncated and the next digit is >= 5 |
71dd9d5a5ecd
move more new classes inside octave namespace
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diff
changeset
|
2839 if ((i == precision || ! width_left) && (ch = is.get ()) >= '5' |
71dd9d5a5ecd
move more new classes inside octave namespace
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diff
changeset
|
2840 && ch <= '9') |
71dd9d5a5ecd
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diff
changeset
|
2841 retval += multiplier; |
71dd9d5a5ecd
move more new classes inside octave namespace
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diff
changeset
|
2842 |
71dd9d5a5ecd
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22323
diff
changeset
|
2843 if (i > 0) |
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diff
changeset
|
2844 valid = true; // valid if at least one digit after '.' |
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diff
changeset
|
2845 |
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diff
changeset
|
2846 // skip remainder after '.', to field width, to look for exponent |
71dd9d5a5ecd
move more new classes inside octave namespace
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diff
changeset
|
2847 if (i == precision) |
71dd9d5a5ecd
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diff
changeset
|
2848 while (width_left-- && is && (ch = is.get ()) >= '0' && ch <= '9') |
71dd9d5a5ecd
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diff
changeset
|
2849 ; // discard |
71dd9d5a5ecd
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22323
diff
changeset
|
2850 |
71dd9d5a5ecd
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22323
diff
changeset
|
2851 width_left++; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2852 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2853 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2854 // look for exponent part in, e.g., 6.023E+23 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2855 bool used_exp = false; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2856 if (valid && width_left > 1 && exp_chars.find (ch) != std::string::npos) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2857 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2858 int ch1 = is.peek (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2859 if (ch1 == '-' || ch1 == '+' || (ch1 >= '0' && ch1 <= '9')) |
22407
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
2860 { |
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
2861 // if 1.0e+$ or some such, this will set failbit, as we want |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2862 width_left--; // count "E" |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2863 int exp = 0; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2864 int exp_sign = 1; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2865 if (ch1 == '+') |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2866 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2867 if (width_left) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2868 width_left--; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2869 is.get (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2870 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2871 else if (ch1 == '-') |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2872 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2873 exp_sign = -1; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2874 is.get (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2875 if (width_left) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2876 width_left--; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2877 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2878 valid = false; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2879 while (width_left-- && is && (ch = is.get ()) >= '0' && ch <= '9') |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2880 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2881 exp = exp*10 + ch - '0'; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2882 valid = true; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2883 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2884 width_left++; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2885 if (ch != std::istream::traits_type::eof () && width_left) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2886 is.putback (ch); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2887 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2888 double multiplier = pown (10, exp); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2889 if (exp_sign > 0) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2890 retval *= multiplier; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2891 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2892 retval /= multiplier; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2893 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2894 used_exp = true; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2895 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2896 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2897 is.clear (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2898 if (! used_exp && ch != std::istream::traits_type::eof () && width_left) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2899 is.putback (ch); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2900 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2901 // Check for +/- inf and NaN |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2902 if (! valid && width_left >= 3) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2903 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2904 int i = lookahead (is, inf_nan, 3, false); // false -> case insensitive |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2905 if (i == 0) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2906 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2907 retval = octave::numeric_limits<double>::Inf (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2908 valid = true; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2909 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2910 else if (i == 1) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2911 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2912 retval = octave::numeric_limits<double>::NaN (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2913 valid = true; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2914 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2915 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2916 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2917 // Check for +/- inf and NaN |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2918 if (! valid && width_left >= 3) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2919 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2920 int i = lookahead (is, inf_nan, 3, false); // false -> case insensitive |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2921 if (i == 0) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2922 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2923 retval = octave::numeric_limits<double>::Inf (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2924 valid = true; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2925 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2926 else if (i == 1) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2927 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2928 retval = octave::numeric_limits<double>::NaN (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2929 valid = true; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2930 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2931 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2932 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2933 if (! valid) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2934 is.setstate (std::ios::failbit); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2935 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2936 is.setstate (is.rdstate () & ~std::ios::failbit); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2937 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2938 return retval * sign; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2939 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2940 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2941 // Read a single number: real, complex, inf, NaN, possibly with limited |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2942 // precision. Calls to this should be preceded by skip_whitespace. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2943 // Calling that inside scan_complex would violate its const declaration. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2944 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2945 void |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2946 textscan::scan_complex (delimited_stream& is, const textscan_format_elt& fmt, |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2947 Complex& val) const |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2948 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2949 double im = 0; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2950 double re = 0; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2951 bool as_empty = false; // did we fail but match a "treat_as_empty" string? |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2952 bool inf = false; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2953 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2954 int ch = is.peek (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2955 if (ch == '+' || ch == '-') // check for [+-][ij] with no coefficients |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2956 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2957 ch = is.get (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2958 int ch2 = is.peek (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2959 if (ch2 == 'i' || ch2 == 'j') |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2960 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2961 double value = 1; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2962 is.get (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2963 // Check not -inf |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2964 if (is.peek () == 'n') |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2965 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2966 char *pos = is.tellg (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2967 std::ios::iostate state = is.rdstate (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2968 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2969 is.get (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2970 ch2 = is.get (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2971 if (ch2 == 'f') |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
2972 { |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2973 inf = true; |
22407
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
2974 re = (ch == '+') ? octave::numeric_limits<double>::Inf () |
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
2975 : -octave::numeric_limits<double>::Inf (); |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2976 value = 0; |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
2977 } |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
2978 else |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
2979 { |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2980 is.clear (state); |
71dd9d5a5ecd
move more new classes inside octave namespace
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parents:
22323
diff
changeset
|
2981 is.seekg (pos); // reset to position before look-ahead |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2982 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2983 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2984 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2985 im = (ch == '+') ? value : -value; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2986 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2987 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2988 is.putback (ch); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2989 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2990 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2991 if (! im && ! inf) // if not [+-][ij] or [+-]inf, read real normally |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2992 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2993 char *pos = is.tellg (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2994 std::ios::iostate state = is.rdstate (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2995 //re = octave_read_value<double> (is); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2996 re = read_double (is, fmt); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2997 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2998 // check for "treat as empty" string |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
2999 if (treat_as_empty.numel () |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3000 && (is.fail () || octave::math::is_NaN_or_NA (Complex (re)) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3001 || re == octave::numeric_limits<double>::Inf ())) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3002 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3003 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3004 for (int i = 0; i < treat_as_empty.numel (); i++) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3005 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3006 if (ch == treat_as_empty (i).string_value ()[0]) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3007 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3008 as_empty = true; // first char matches, so read the lot |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3009 break; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3010 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3011 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3012 if (as_empty) // if first char matched... |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3013 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3014 as_empty = false; // ...look for the whole string |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3015 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3016 is.clear (state); // treat_as_empty "-" causes partial read |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3017 is.seekg (pos); // reset to position before failed read |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3018 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3019 // treat_as_empty strings may be different sizes. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3020 // Read ahead longest, put it all back, then re-read the string |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3021 // that matches. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3022 std::string look_buf (treat_as_empty_len, '\0'); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3023 char *look = is.read (&look_buf[0], look_buf.size (), pos); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3024 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3025 is.clear (state); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3026 is.seekg (pos); // reset to position before look-ahead |
22407
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
3027 // FIXME: is.read could invalidate pos |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3028 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3029 for (int i = 0; i < treat_as_empty.numel (); i++) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3030 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3031 std::string s = treat_as_empty (i).string_value (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3032 if (! strncmp (s.c_str (), look, s.size ())) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3033 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3034 as_empty = true; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3035 // read just the right amount |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3036 is.read (&look_buf[0], s.size (), pos); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3037 break; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3038 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3039 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3040 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3041 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3042 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3043 if (! is.eof () && ! as_empty) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3044 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3045 state = is.rdstate (); // before tellg, since that fails at EOF |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3046 pos = is.tellg (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3047 ch = is.peek (); // ch == EOF if read failed; no need to chk fail |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3048 if (ch == 'i' || ch == 'j') // pure imaginary |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3049 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3050 is.get (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3051 im = re; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3052 re = 0; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3053 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3054 else if (ch == '+' || ch == '-') // see if it is real+imag[ij] |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3055 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3056 // save stream state in case we have to restore it |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3057 pos = is.tellg (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3058 state = is.rdstate (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3059 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3060 //im = octave_read_value<double> (is); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3061 im = read_double (is, fmt); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3062 if (is.fail ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3063 im = 1; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3064 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3065 if (is.peek () == 'i' || is.peek () == 'j') |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3066 is.get (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3067 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3068 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3069 im = 0; // no valid imaginary part. Restore state |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3070 is.clear (state); // eof shouldn't cause fail. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3071 is.seekg (pos); |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
3072 } |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3073 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3074 else if (is.eof ()) // we've read enough to be a "valid" read |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3075 is.clear (state); // failed peek shouldn't cause fail |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3076 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3077 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3078 if (as_empty) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3079 val = empty_value.scalar_value (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3080 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3081 val = Complex (re, im); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3082 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3083 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3084 // Return in VAL the run of characters from IS NOT contained in PATTERN. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3085 |
71dd9d5a5ecd
move more new classes inside octave namespace
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22323
diff
changeset
|
3086 int |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
3087 textscan::scan_caret (delimited_stream& is, const std::string& pattern, |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
3088 std::string& val) const |
71dd9d5a5ecd
move more new classes inside octave namespace
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22323
diff
changeset
|
3089 { |
71dd9d5a5ecd
move more new classes inside octave namespace
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22323
diff
changeset
|
3090 int c1 = std::istream::traits_type::eof (); |
71dd9d5a5ecd
move more new classes inside octave namespace
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22323
diff
changeset
|
3091 std::ostringstream obuf; // Is this optimized for growing? |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
3092 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3093 while (is && ((c1 = (is && ! is.eof ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3094 ? is.get_undelim () |
71dd9d5a5ecd
move more new classes inside octave namespace
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parents:
22323
diff
changeset
|
3095 : std::istream::traits_type::eof ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3096 != std::istream::traits_type::eof ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3097 && pattern.find (c1) == std::string::npos) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3098 obuf << static_cast<char> (c1); |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3099 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3100 val = obuf.str (); |
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move more new classes inside octave namespace
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diff
changeset
|
3101 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3102 if (c1 != std::istream::traits_type::eof ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
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parents:
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diff
changeset
|
3103 is.putback (c1); |
71dd9d5a5ecd
move more new classes inside octave namespace
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22323
diff
changeset
|
3104 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3105 return c1; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3106 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3107 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3108 // Read until one of the strings in DELIMITERS is found. For |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3109 // efficiency, ENDS is a list of the last character of each delimiter. |
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move more new classes inside octave namespace
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parents:
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diff
changeset
|
3110 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3111 std::string |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3112 textscan::read_until (delimited_stream& is, const Cell& delimiters, |
71dd9d5a5ecd
move more new classes inside octave namespace
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parents:
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diff
changeset
|
3113 const std::string& ends) const |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3114 { |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3115 std::string retval (""); |
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move more new classes inside octave namespace
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diff
changeset
|
3116 bool done = false; |
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move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3117 do |
22407
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
3118 { |
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
3119 // find sequence ending with an ending char |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3120 std::string next; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3121 scan_caret (is, ends.c_str (), next); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3122 retval = retval + next; // FIXME: could use repeated doubling of size |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3123 |
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move more new classes inside octave namespace
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parents:
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diff
changeset
|
3124 int last = (! is.eof () |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3125 ? is.get_undelim () : std::istream::traits_type::eof ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3126 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3127 if (last != std::istream::traits_type::eof ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3128 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3129 retval = retval + static_cast<char> (last); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3130 for (int i = 0; i < delimiters.numel (); i++) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3131 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3132 std::string delim = delimiters(i).string_value (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3133 size_t start = (retval.length () > delim.length () |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3134 ? retval.length () - delim.length () |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3135 : 0); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3136 std::string may_match = retval.substr (start); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3137 if (may_match == delim) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3138 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3139 done = true; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3140 retval = retval.substr (0, start); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3141 break; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3142 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3143 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3144 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3145 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3146 while (! done && is && ! is.eof ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3147 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3148 return retval; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3149 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3150 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3151 // Read stream until either fmt.width chars have been read, or |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3152 // options.delimiter has been found. Does *not* rely on fmt being 's'. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3153 // Used by formats like %6f to limit to 6. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3154 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3155 void |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3156 textscan::scan_string (delimited_stream& is, const textscan_format_elt& fmt, |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3157 std::string& val) const |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3158 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3159 if (delim_list.is_empty ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3160 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3161 unsigned int i = 0; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3162 unsigned int width = fmt.width; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3163 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3164 for (i = 0; i < width; i++) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3165 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3166 if (i+1 > val.length ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3167 val = val + val + ' '; // grow even if empty |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3168 int ch = is.get (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3169 if (is_delim (ch) || ch == std::istream::traits_type::eof ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3170 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3171 is.putback (ch); |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
3172 break; |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3173 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3174 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3175 val[i] = ch; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3176 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3177 val = val.substr (0, i); // trim pre-allocation |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3178 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3179 else // Cell array of multi-character delimiters |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3180 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3181 std::string ends (""); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3182 for (int i = 0; i < delim_list.numel (); i++) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3183 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3184 std::string tmp = delim_list(i).string_value (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3185 ends += tmp.substr (tmp.length () - 1); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
3186 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3187 val = textscan::read_until (is, delim_list, ends); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3188 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3189 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3190 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3191 // Return in VAL the run of characters from IS contained in PATTERN. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
3192 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3193 int |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3194 textscan::scan_bracket (delimited_stream& is, const std::string& pattern, |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
3195 std::string& val) const |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3196 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3197 int c1 = std::istream::traits_type::eof (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3198 std::ostringstream obuf; // Is this optimized for growing? |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3199 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3200 while (is && pattern.find (c1 = is.get_undelim ()) != std::string::npos) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
3201 obuf << static_cast<char> (c1); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
3202 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
3203 val = obuf.str (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
3204 if (c1 != std::istream::traits_type::eof ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
3205 is.putback (c1); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
3206 return c1; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3207 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3208 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
3209 // Return in VAL a string, either delimited by whitespace/delimiters, or |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
3210 // enclosed in a pair of double quotes ("..."). Enclosing quotes are |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
3211 // removed. A consecutive pair "" is inserted into VAL as a single ". |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
3212 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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22323
diff
changeset
|
3213 void |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3214 textscan::scan_qstring (delimited_stream& is, const textscan_format_elt& fmt, |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3215 std::string& val) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3216 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3217 skip_whitespace (is); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3218 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3219 if (is.peek () != '\"') |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3220 scan_string (is, fmt, val); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3221 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3222 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3223 is.get (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3224 scan_caret (is, "\"", val); // read everything until " |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3225 is.get (); // swallow " |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3226 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3227 while (is && is.peek () == '\"') // if double ", insert one in stream, |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3228 { // and keep looking for single " |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3229 is.get (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3230 std::string val1; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3231 scan_caret (is, "\"", val1); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3232 val = val + "\"" + val1; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3233 is.get_undelim (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3234 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3235 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3236 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3237 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3238 // Read from IS into VAL a string of the next fmt.width characters, |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3239 // including any whitespace or delimiters. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3240 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3241 void |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3242 textscan::scan_cstring (delimited_stream& is, const textscan_format_elt& fmt, |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3243 std::string& val) const |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3244 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3245 val.resize (fmt.width); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3246 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3247 for (unsigned int i = 0; is && i < fmt.width; i++) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3248 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3249 int ch = is.get_undelim (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3250 if (ch != std::istream::traits_type::eof ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3251 val[i] = ch; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3252 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3253 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3254 val.resize (i); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3255 break; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3256 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3257 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3258 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3259 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3260 // Read a single '%...' conversion and place it in position ROW of OV. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3261 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3262 void |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3263 textscan::scan_one (delimited_stream& is, const textscan_format_elt& fmt, |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3264 octave_value& ov, Array<octave_idx_type> row) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3265 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3266 skip_whitespace (is); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3267 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3268 is.clear (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3269 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3270 octave_value val; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3271 if (fmt.numeric) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3272 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3273 if (fmt.type == 'f' || fmt.type == 'n') |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3274 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3275 Complex v; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3276 skip_whitespace (is); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3277 scan_complex (is, fmt, v); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3278 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3279 if (! fmt.discard && ! is.fail ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3280 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3281 if (fmt.bitwidth == 64) |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
3282 { |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3283 if (ov.is_real_type () && v.imag () == 0) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3284 ov.internal_rep ()->fast_elem_insert (row(0), v.real ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3285 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3286 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3287 if (ov.is_real_type ()) // cat does type conversion |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3288 ov = do_cat_op (ov, octave_value (v), row); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3289 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3290 ov.internal_rep ()->fast_elem_insert (row(0), v); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3291 } |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
3292 } |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
3293 else |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
3294 { |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3295 if (ov.is_real_type () && v.imag () == 0) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3296 ov.internal_rep ()->fast_elem_insert (row(0), |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3297 float (v.real ())); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3298 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3299 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3300 if (ov.is_real_type ()) // cat does type conversion |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3301 ov = do_cat_op (ov, octave_value (v), row); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3302 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3303 ov.internal_rep ()->fast_elem_insert (row(0), |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3304 FloatComplex (v)); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3305 } |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
3306 } |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
3307 } |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3308 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3309 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3310 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3311 double v; // Matlab docs say 1e30 etc should be valid for %d and |
22407
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
3312 // 1000 as a %d8 should be 127, so read as double. |
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
3313 // Some loss of precision for d64 and u64. |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3314 skip_whitespace (is); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3315 v = read_double (is, fmt); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3316 if (! fmt.discard && ! is.fail ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3317 switch (fmt.bitwidth) |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
3318 { |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3319 case 64: |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3320 switch (fmt.type) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3321 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3322 case 'd': |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3323 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3324 octave_int64 vv = v; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3325 ov.internal_rep ()->fast_elem_insert (row(0), vv); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3326 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3327 break; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3328 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3329 case 'u': |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3330 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3331 octave_uint64 vv = v; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3332 ov.internal_rep ()->fast_elem_insert (row(0), vv); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3333 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3334 break; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3335 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3336 break; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3337 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3338 case 32: |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3339 switch (fmt.type) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3340 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3341 case 'd': |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3342 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3343 octave_int32 vv = v; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3344 ov.internal_rep ()->fast_elem_insert (row(0), vv); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3345 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3346 break; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3347 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3348 case 'u': |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3349 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3350 octave_uint32 vv = v; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3351 ov.internal_rep ()->fast_elem_insert (row(0), vv); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3352 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3353 break; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3354 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3355 break; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3356 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3357 case 16: |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3358 if (fmt.type == 'd') |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3359 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3360 octave_int16 vv = v; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3361 ov.internal_rep ()->fast_elem_insert (row(0), vv); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3362 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3363 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3364 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3365 octave_uint16 vv = v; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3366 ov.internal_rep ()->fast_elem_insert (row(0), vv); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3367 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3368 break; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3369 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3370 case 8: |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3371 if (fmt.type == 'd') |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3372 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3373 octave_int8 vv = v; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3374 ov.internal_rep ()->fast_elem_insert (row(0), vv); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3375 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3376 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3377 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3378 octave_uint8 vv = v; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3379 ov.internal_rep ()->fast_elem_insert (row(0), vv); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3380 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3381 break; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3382 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3383 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3384 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3385 if (is.fail () & ! fmt.discard) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3386 ov = do_cat_op (ov, empty_value, row); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3387 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3388 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3389 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3390 std::string vv (" "); // initial buffer. Grows as needed |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3391 switch (fmt.type) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3392 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3393 case 's': |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3394 scan_string (is, fmt, vv); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3395 break; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3396 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3397 case 'q': |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3398 scan_qstring (is, fmt, vv); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3399 break; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3400 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3401 case 'c': |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3402 scan_cstring (is, fmt, vv); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3403 break; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3404 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3405 case '[': |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3406 scan_bracket (is, fmt.char_class.c_str (), vv); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3407 break; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3408 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3409 case '^': |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3410 scan_caret (is, fmt.char_class.c_str (), vv); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3411 break; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3412 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3413 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3414 if (! fmt.discard) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3415 ov.internal_rep ()->fast_elem_insert (row (0), |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3416 Cell (octave_value (vv))); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3417 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3418 // FIXME: why does failbit get set at EOF, instead of eofbit? |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3419 if (! vv.empty ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3420 is.clear (is.rdstate () & ~std::ios_base::failbit); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3421 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3422 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3423 is.field_done (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3424 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3425 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3426 // Read data corresponding to the entire format string once, placing the |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3427 // values in row ROW of retval. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3428 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3429 int |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3430 textscan::read_format_once (delimited_stream& is, |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3431 textscan_format_list& fmt_list, |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3432 std::list<octave_value>& retval, |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3433 Array<octave_idx_type> row, int& done_after) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3434 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3435 const textscan_format_elt *elem = fmt_list.first (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3436 std::list<octave_value>::iterator out = retval.begin (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3437 bool no_conversions = true; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3438 bool done = false; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3439 bool conversion_failed = false; // Record for ReturnOnError |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3440 bool nothing_worked = true; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3441 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3442 octave_quit (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3443 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3444 for (size_t i = 0; i < fmt_list.numel (); i++) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3445 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3446 bool this_conversion_failed = false; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3447 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3448 // Clear fail of previous numeric conversions. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3449 is.clear (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3450 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3451 switch (elem->type) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3452 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3453 case 'C': |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3454 case 'D': |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3455 warning ("%s: conversion %c not yet implemented", |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3456 who.c_str (), elem->type); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3457 break; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3458 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3459 case 'u': |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3460 case 'd': |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3461 case 'f': |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3462 case 'n': |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3463 case 's': |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3464 case '[': |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3465 case '^': |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3466 case 'q': |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3467 case 'c': |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3468 scan_one (is, *elem, *out, row); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3469 break; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3470 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3471 case textscan_format_elt::literal_conversion : |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3472 match_literal (is, *elem); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3473 break; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3474 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3475 default: |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3476 error ("Unknown format element '%c'", elem->type); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3477 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3478 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3479 if (! is.fail ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3480 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3481 if (! elem->discard) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3482 no_conversions = false; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3483 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3484 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3485 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3486 is.clear (is.rdstate () & ~std::ios::failbit); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3487 |
22737
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22407
diff
changeset
|
3488 if (! is.eof () && ~is_delim (is.peek ())) |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3489 this_conversion_failed = true; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3490 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3491 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3492 if (! elem->discard) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3493 out++; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3494 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3495 elem = fmt_list.next (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3496 char *pos = is.tellg (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3497 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3498 // FIXME: these conversions "ignore delimiters". Should they include |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3499 // delimiters at the start of the conversion, or can those be skipped? |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3500 if (elem->type != textscan_format_elt::literal_conversion |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3501 // && elem->type != '[' && elem->type != '^' && elem->type != 'c' |
22407
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
3502 ) |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3503 skip_delim (is); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3504 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3505 if (is.eof ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3506 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3507 if (! done) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3508 done_after = i+1; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3509 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3510 // note EOF, but process others to get empty_val. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3511 done = true; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3512 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3513 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3514 if (this_conversion_failed) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3515 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3516 if (is.tellg () == pos && ! conversion_failed) |
22407
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
3517 { |
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
3518 // done_after = first failure |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3519 done_after = i; // note fail, but parse others to get empty_val |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3520 conversion_failed = true; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3521 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3522 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3523 this_conversion_failed = false; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3524 } |
22737
7abc25e6206a
maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
22407
diff
changeset
|
3525 else if (! done && ! conversion_failed) |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3526 nothing_worked = false; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3527 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3528 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3529 if (done) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3530 is.setstate (std::ios::eofbit); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3531 |
22407
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
3532 return no_conversions |
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
3533 + (is.eof () ? 2 : 0) |
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
3534 + (conversion_failed ? 4 : 0) |
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
3535 + (nothing_worked ? 8 : 0); |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3536 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3537 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3538 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3539 void |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3540 textscan::parse_options (const octave_value_list& args, |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3541 textscan_format_list& fmt_list) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3542 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3543 int last = args.length (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3544 int n = last; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3545 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3546 if (n & 1) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3547 error ("%s: %d parameters given, but only %d values", |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3548 who.c_str (), n-n/2, n/2); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3549 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3550 delim_len = 1; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3551 bool have_delims = false; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3552 for (int i = 0; i < last; i += 2) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3553 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3554 std::string param = args(i).xstring_value ("%s: Invalid parameter type <%s> for parameter %d", |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3555 who.c_str (), |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3556 args(i).type_name ().c_str (), |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3557 i/2 + 1); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3558 std::transform (param.begin (), param.end (), param.begin (), ::tolower); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3559 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3560 if (param == "delimiter") |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3561 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3562 bool invalid = true; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3563 if (args(i+1).is_string ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3564 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3565 invalid = false; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3566 have_delims = true; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3567 delims = args(i+1).string_value (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3568 if (args(i+1).is_sq_string ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3569 delims = do_string_escapes (delims); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3570 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3571 else if (args(i+1).is_cell ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3572 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3573 invalid = false; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3574 delim_list = args(i+1).cell_value (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3575 delim_table = " "; // non-empty, to flag non-default delim |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3576 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3577 // Check that all elements are strings, and find max length |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3578 for (int j = 0; j < delim_list.numel (); j++) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3579 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3580 if (! delim_list(j).is_string ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3581 invalid = true; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3582 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3583 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3584 if (delim_list(j).is_sq_string ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3585 delim_list(j) = do_string_escapes (delim_list(j) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3586 .string_value ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3587 octave_idx_type len = delim_list(j).string_value () |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3588 .length (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3589 delim_len = std::max (static_cast<int> (len), delim_len); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3590 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3591 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3592 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3593 if (invalid) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3594 error ("%s: Delimiters must be either a string or cell array of strings", |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3595 who.c_str ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3596 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3597 else if (param == "commentstyle") |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3598 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3599 if (args(i+1).is_string ()) |
22407
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
3600 { |
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
3601 // check here for names like "C++", "C", "shell", ...? |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3602 comment_style = Cell (args(i+1)); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3603 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3604 else if (args(i+1).is_cell ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3605 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3606 comment_style = args(i+1).cell_value (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3607 int len = comment_style.numel (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3608 if ((len >= 1 && ! comment_style (0).is_string ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3609 || (len >= 2 && ! comment_style (1).is_string ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3610 || (len >= 3)) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3611 error ("%s: CommentStyle must be either a string or cell array of one or two strings", |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3612 who.c_str ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3613 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3614 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3615 error ("%s: CommentStyle must be either a string or cell array of one or two strings", |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3616 who.c_str ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3617 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3618 // How far ahead do we need to look to detect an open comment |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3619 // and which character do we look for? |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3620 if (comment_style.numel () >= 1) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3621 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3622 comment_len = comment_style (0).string_value ().size (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3623 comment_char = comment_style (0).string_value ()[0]; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3624 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3625 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3626 else if (param == "treatasempty") |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3627 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3628 bool invalid = false; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3629 if (args(i+1).is_string ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3630 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3631 treat_as_empty = Cell (args(i+1)); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3632 treat_as_empty_len = args(i+1).string_value ().size (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3633 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3634 else if (args(i+1).is_cell ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3635 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3636 treat_as_empty = args(i+1).cell_value (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3637 for (int j = 0; j < treat_as_empty.numel (); j++) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3638 if (! treat_as_empty (j).is_string ()) |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
3639 invalid = true; |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
3640 else |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
3641 { |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3642 int k = treat_as_empty (j).string_value ().size (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3643 if (k > treat_as_empty_len) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3644 treat_as_empty_len = k; |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
3645 } |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3646 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3647 if (invalid) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3648 error ("%s: TreatAsEmpty must be either a string or cell array of one or two strings", |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3649 who.c_str ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3650 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3651 // FIXME: Ensure none is a prefix of a later one. Sort by length? |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3652 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3653 else if (param == "collectoutput") |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3654 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3655 collect_output = args(i+1).xbool_value ("%s: CollectOutput must be logical or numeric", who.c_str ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3656 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3657 else if (param == "emptyvalue") |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3658 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3659 empty_value = args(i+1).xscalar_value ("%s: EmptyValue must be numeric", who.c_str ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3660 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3661 else if (param == "headerlines") |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3662 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3663 header_lines = args(i+1).xscalar_value ("%s: HeaderLines must be numeric", who.c_str ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3664 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3665 else if (param == "bufsize") |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3666 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3667 buffer_size = args(i+1).xscalar_value ("%s: BufSize must be numeric", who.c_str ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3668 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3669 else if (param == "multipledelimsasone") |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3670 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3671 multiple_delims_as_one = args(i+1).xbool_value ("%s: MultipleDelimsAsOne must be logical or numeric", who.c_str ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3672 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3673 else if (param == "returnonerror") |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3674 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3675 return_on_error = args(i+1).xbool_value ("%s: ReturnOnError must be logical or numeric", who.c_str ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3676 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3677 else if (param == "whitespace") |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3678 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3679 whitespace = args(i+1).xstring_value ("%s: Whitespace must be a character string", who.c_str ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3680 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3681 else if (param == "expchars") |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3682 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3683 exp_chars = args(i+1).xstring_value ("%s: ExpChars must be a character string", who.c_str ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3684 default_exp = false; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3685 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3686 else if (param == "endofline") |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3687 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3688 bool valid = true; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3689 std::string s = args(i+1).xstring_value ("%s: EndOfLine must be at most one character or '\\r\\n'", who.c_str ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3690 if (args(i+1).is_sq_string ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3691 s = do_string_escapes (s); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3692 int l = s.length (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3693 if (l == 0) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3694 eol1 = eol2 = -2; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3695 else if (l == 1) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3696 eol1 = eol2 = s.c_str ()[0]; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3697 else if (l == 2) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3698 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3699 eol1 = s.c_str ()[0]; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3700 eol2 = s.c_str ()[1]; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3701 if (eol1 != '\r' || eol2 != '\n') // Why limit it? |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3702 valid = false; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3703 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3704 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3705 valid = false; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3706 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3707 if (! valid) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3708 error ("%s: EndOfLine must be at most one character or '\\r\\n'", |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3709 who.c_str ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3710 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3711 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3712 error ("%s: unrecognized option '%s'", who.c_str (), param.c_str ()); |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
3713 } |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3714 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3715 whitespace_table = std::string (256, '\0'); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3716 for (unsigned int i = 0; i < whitespace.length (); i++) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3717 whitespace_table[whitespace[i]] = '1'; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3718 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3719 // For Matlab compatibility, add 0x20 to whitespace, unless |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3720 // whitespace is explicitly ignored. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3721 if (! (whitespace.empty () && fmt_list.has_string)) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3722 whitespace_table[' '] = '1'; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3723 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3724 // Create look-up table of delimiters, based on 'delimiter' |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3725 delim_table = std::string (256, '\0'); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3726 if (eol1 >= 0 && eol1 < 256) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3727 delim_table[eol1] = '1'; // EOL is always a delimiter |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3728 if (eol2 >= 0 && eol2 < 256) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3729 delim_table[eol2] = '1'; // EOL is always a delimiter |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3730 if (! have_delims) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3731 for (unsigned int i = 0; i < 256; i++) |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
3732 { |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3733 if (isspace (i)) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3734 delim_table[i] = '1'; |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
3735 } |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3736 else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3737 for (unsigned int i = 0; i < delims.length (); i++) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3738 delim_table[delims[i]] = '1'; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3739 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3740 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3741 // Skip comments, and characters specified by the "Whitespace" option. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3742 // If EOLstop == true, don't skip end of line. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3743 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3744 int |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3745 textscan::skip_whitespace (delimited_stream& is, bool EOLstop) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3746 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3747 int c1 = std::istream::traits_type::eof (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3748 bool found_comment = false; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3749 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3750 do |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3751 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3752 found_comment = false; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3753 int prev = -1; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3754 while (is && (c1 = is.get_undelim ()) != std::istream::traits_type::eof () |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3755 && ( ( (c1 == eol1 || c1 == eol2) && ++lines && ! EOLstop) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3756 || isspace (c1))) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3757 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3758 if (prev == eol1 && eol1 != eol2 && c1 == eol2) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3759 lines--; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3760 prev = c1; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3761 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3762 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3763 if (c1 == comment_char) // see if we match an open comment |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3764 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3765 // save stream state in case we have to restore it |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3766 char *pos = is.tellg (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3767 std::ios::iostate state = is.rdstate (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3768 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3769 std::string tmp (comment_len, '\0'); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3770 char *look = is.read (&tmp[0], comment_len-1, pos); // already read first char |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3771 if (is && ! strncmp (comment_style(0).string_value ().substr (1) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3772 .c_str (), look, comment_len-1)) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3773 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3774 found_comment = true; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3775 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3776 std::string dummy; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3777 if (comment_style.numel () == 1) // skip to end of line |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3778 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3779 std::string eol (3, '\0'); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3780 eol[0] = eol1; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3781 eol[1] = eol2; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3782 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3783 scan_caret (is, eol, dummy); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3784 c1 = is.get_undelim (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3785 if (c1 == eol1 && eol1 != eol2 && is.peek_undelim () == eol2) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3786 is.get_undelim (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3787 lines++; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3788 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3789 else // matching pair |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3790 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3791 std::string end_c = comment_style(1).string_value (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3792 // last char of end-comment sequence |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3793 std::string last = end_c.substr (end_c.size () - 1); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3794 std::string may_match (""); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3795 do |
22407
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
3796 { |
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
3797 // find sequence ending with last char |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3798 scan_caret (is, last, dummy); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3799 is.get_undelim (); // (read LAST itself) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3800 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3801 may_match = may_match + dummy + last; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3802 if (may_match.length () > end_c.length ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3803 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3804 size_t start = may_match.length () - end_c.length (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3805 may_match = may_match.substr (start); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3806 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3807 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3808 while (may_match != end_c && is && ! is.eof ()); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3809 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3810 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3811 else // wasn't really a comment; restore state |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3812 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3813 is.clear (state); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3814 is.seekg (pos); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3815 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3816 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3817 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3818 while (found_comment); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3819 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3820 if (c1 != std::istream::traits_type::eof ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3821 is.putback (c1); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3822 return c1; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3823 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3824 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3825 // See if the next few characters match one of the strings in target. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3826 // For efficiency, MAX_LEN is the cached longest length of any target. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3827 // Return -1 if none is found, or the index of the match. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3828 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3829 int |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3830 textscan::lookahead (delimited_stream& is, const Cell& targets, int max_len, |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3831 bool case_sensitive) const |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3832 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3833 // target strings may be different sizes. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3834 // Read ahead longest, put it all back, then re-read the string |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3835 // that matches. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3836 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3837 char *pos = is.tellg (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3838 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3839 std::string tmp (max_len, '\0'); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3840 char *look = is.read (&tmp[0], tmp.size (), pos); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3841 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3842 is.clear (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3843 is.seekg (pos); // reset to position before look-ahead |
22407
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
3844 // FIXME: pos may be corrupted by is.read |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3845 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3846 int i; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3847 int (*compare)(const char *, const char *, size_t); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3848 compare = case_sensitive ? strncmp : strncasecmp; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3849 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3850 for (i = 0; i < targets.numel (); i++) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3851 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3852 std::string s = targets (i).string_value (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3853 if (! (*compare) (s.c_str (), look, s.size ())) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3854 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3855 is.read (&tmp[0], s.size (), pos); // read just the right amount |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3856 break; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3857 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3858 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3859 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3860 if (i == targets.numel ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3861 i = -1; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3862 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3863 return i; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3864 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3865 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3866 // Skip delimiters -- multiple if MultipleDelimsAsOne specified. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3867 int |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3868 textscan::skip_delim (delimited_stream& is) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3869 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3870 int c1 = skip_whitespace (is, true); // 'true': stop once EOL is read |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3871 if (delim_list.numel () == 0) // single character delimiter |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3872 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3873 if (is_delim (c1) || c1 == eol1 || c1 == eol2) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3874 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3875 is.get (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3876 if (c1 == eol1 && is.peek_undelim () == eol2) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3877 is.get_undelim (); // if \r\n, skip the \n too. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3878 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3879 if (multiple_delims_as_one) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3880 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3881 int prev = -1; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3882 // skip multiple delims. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3883 // Increment lines for each end-of-line seen; for \r\n, decrement |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3884 while (is && ((c1 = is.get_undelim ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3885 != std::istream::traits_type::eof ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3886 && (((c1 == eol1 || c1 == eol2) && ++lines) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3887 || isspace (c1) || is_delim (c1))) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3888 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3889 if (prev == eol1 && eol1 != eol2 && c1 == eol2) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3890 lines--; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3891 prev = c1; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3892 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3893 if (c1 != std::istream::traits_type::eof ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3894 is.putback (c1); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3895 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3896 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3897 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3898 else // multi-character delimiter |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3899 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3900 int first_match; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3901 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3902 if (c1 == eol1 || c1 == eol2 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3903 || (-1 != (first_match = lookahead (is, delim_list, delim_len)))) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3904 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3905 if (c1 == eol1) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3906 { |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
3907 is.get_undelim (); |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3908 if (is.peek_undelim () == eol2) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3909 is.get_undelim (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3910 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3911 else if (c1 == eol2) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3912 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3913 is.get_undelim (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3914 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3915 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3916 if (multiple_delims_as_one) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3917 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3918 int prev = -1; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3919 // skip multiple delims. |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3920 // Increment lines for each end-of-line seen; for \r\n, decrement |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3921 while (is && ((c1 = skip_whitespace (is, true)) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3922 != std::istream::traits_type::eof ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3923 && (((c1 == eol1 || c1 == eol2) && ++lines) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3924 || -1 != lookahead (is, delim_list, delim_len))) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3925 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3926 if (prev == eol1 && eol1 != eol2 && c1 == eol2) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3927 lines--; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3928 prev = c1; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3929 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3930 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3931 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3932 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3933 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3934 return c1; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3935 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3936 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3937 // Read in as much of the input as coincides with the literal in the |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3938 // format string. Return "true" if the entire literal is matched, else |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3939 // false (and set failbit). |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3940 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3941 bool |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3942 textscan::match_literal (delimited_stream& is, const textscan_format_elt& fmt) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3943 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3944 // "false" -> treat EOL as normal space |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3945 // since a delimiter at the start of a line is a mismatch, not empty field |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3946 skip_whitespace (is, false); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3947 |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3948 for (unsigned int i = 0; i < fmt.width; i++) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3949 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3950 int ch = is.get_undelim (); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3951 if (ch != fmt.text[i]) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3952 { |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3953 if (ch != std::istream::traits_type::eof ()) |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3954 is.putback (ch); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3955 is.setstate (std::ios::failbit); |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3956 return false; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3957 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3958 } |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3959 return true; |
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
3960 } |
21502
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
3961 } |
7a19c5678f91
move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents:
21477
diff
changeset
|
3962 |
2117 | 3963 void |
3523 | 3964 octave_base_stream::error (const std::string& msg) |
2117 | 3965 { |
3966 fail = true; | |
3967 errmsg = msg; | |
3968 } | |
3969 | |
3970 void | |
4468 | 3971 octave_base_stream::error (const std::string& who, const std::string& msg) |
3972 { | |
3973 fail = true; | |
6296 | 3974 errmsg = who + ": " + msg; |
4468 | 3975 } |
3976 | |
3977 void | |
2117 | 3978 octave_base_stream::clear (void) |
3979 { | |
4889 | 3980 fail = false; |
3981 errmsg = ""; | |
3982 } | |
3983 | |
3984 void | |
3985 octave_base_stream::clearerr (void) | |
3986 { | |
4888 | 3987 std::istream *is = input_stream (); |
3988 std::ostream *os = output_stream (); | |
3989 | |
3990 if (is) | |
3991 is->clear (); | |
3992 | |
3993 if (os) | |
3994 os->clear (); | |
2117 | 3995 } |
3996 | |
3997 // Functions that are defined for all input streams (input streams | |
3998 // are those that define is). | |
3999 | |
3536 | 4000 std::string |
5275 | 4001 octave_base_stream::do_gets (octave_idx_type max_len, bool& err, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4002 bool strip_newline, const std::string& who) |
2117 | 4003 { |
22089
c2c668b3051b
use classes for octave application and interpreter
John W. Eaton <jwe@octave.org>
parents:
22022
diff
changeset
|
4004 if (octave::application::interactive () && file_number () == 0) |
20831
35241c4b696c
eliminate return statements after calls to error
John W. Eaton <jwe@octave.org>
parents:
20768
diff
changeset
|
4005 ::error ("%s: unable to read from stdin while running interactively", |
35241c4b696c
eliminate return statements after calls to error
John W. Eaton <jwe@octave.org>
parents:
20768
diff
changeset
|
4006 who.c_str ()); |
8773
9e3111d203c0
disallow reading from stdin while running interactively
John W. Eaton <jwe@octave.org>
parents:
8739
diff
changeset
|
4007 |
3523 | 4008 std::string retval; |
2117 | 4009 |
4010 err = false; | |
4011 | |
3523 | 4012 std::istream *isp = input_stream (); |
2117 | 4013 |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4014 if (! isp) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4015 { |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4016 err = true; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4017 invalid_operation (who, "reading"); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4018 } |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4019 else |
2117 | 4020 { |
3523 | 4021 std::istream& is = *isp; |
2117 | 4022 |
5765 | 4023 std::ostringstream buf; |
2117 | 4024 |
4025 int c = 0; | |
3553 | 4026 int char_count = 0; |
6345 | 4027 |
4028 if (max_len != 0) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4029 { |
21184
3db899f1d54c
use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents:
21147
diff
changeset
|
4030 while (is && (c = is.get ()) != std::istream::traits_type::eof ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4031 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4032 char_count++; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4033 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4034 // Handle CRLF, CR, or LF as line ending. |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4035 if (c == '\r') |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4036 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4037 if (! strip_newline) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4038 buf << static_cast<char> (c); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4039 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4040 c = is.get (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4041 |
21184
3db899f1d54c
use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents:
21147
diff
changeset
|
4042 if (c != std::istream::traits_type::eof ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4043 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4044 if (c == '\n') |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4045 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4046 char_count++; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4047 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4048 if (! strip_newline) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4049 buf << static_cast<char> (c); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4050 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4051 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4052 is.putback (c); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4053 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4054 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4055 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4056 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4057 else if (c == '\n') |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4058 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4059 if (! strip_newline) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4060 buf << static_cast<char> (c); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4061 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4062 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4063 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4064 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4065 buf << static_cast<char> (c); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4066 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4067 if (max_len > 0 && char_count == max_len) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4068 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4069 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4070 } |
6345 | 4071 |
4072 if (! is.eof () && char_count > 0) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4073 { |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4074 // GAGME. Matlab seems to check for EOF even if the last character |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4075 // in a file is a newline character. This is NOT what the |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4076 // corresponding C-library functions do. |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4077 int disgusting_compatibility_hack = is.get (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4078 if (! is.eof ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4079 is.putback (disgusting_compatibility_hack); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4080 } |
2117 | 4081 |
4224 | 4082 if (is.good () || (is.eof () && char_count > 0)) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4083 retval = buf.str (); |
4224 | 4084 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4085 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4086 err = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4087 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4088 if (is.eof () && char_count == 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4089 error (who, "at end of file"); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4090 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4091 error (who, "read error"); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4092 } |
2117 | 4093 } |
4094 | |
4095 return retval; | |
4096 } | |
4097 | |
3536 | 4098 std::string |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4099 octave_base_stream::getl (octave_idx_type max_len, bool& err, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4100 const std::string& who) |
2117 | 4101 { |
4468 | 4102 return do_gets (max_len, err, true, who); |
2117 | 4103 } |
4104 | |
3536 | 4105 std::string |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4106 octave_base_stream::gets (octave_idx_type max_len, bool& err, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4107 const std::string& who) |
2117 | 4108 { |
4468 | 4109 return do_gets (max_len, err, false, who); |
2117 | 4110 } |
4111 | |
16011
8122286c69a9
initial large file support for 32-bit systems
John W. Eaton <jwe@octave.org>
parents:
15467
diff
changeset
|
4112 off_t |
8122286c69a9
initial large file support for 32-bit systems
John W. Eaton <jwe@octave.org>
parents:
15467
diff
changeset
|
4113 octave_base_stream::skipl (off_t num, bool& err, const std::string& who) |
9701 | 4114 { |
22089
c2c668b3051b
use classes for octave application and interpreter
John W. Eaton <jwe@octave.org>
parents:
22022
diff
changeset
|
4115 if (octave::application::interactive () && file_number () == 0) |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4116 ::error ("%s: unable to read from stdin while running interactively", |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4117 who.c_str ()); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4118 |
16011
8122286c69a9
initial large file support for 32-bit systems
John W. Eaton <jwe@octave.org>
parents:
15467
diff
changeset
|
4119 off_t cnt = -1; |
9701 | 4120 |
4121 err = false; | |
4122 | |
4123 std::istream *isp = input_stream (); | |
4124 | |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4125 if (! isp) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4126 { |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4127 err = true; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4128 invalid_operation (who, "reading"); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4129 } |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4130 else |
9701 | 4131 { |
4132 std::istream& is = *isp; | |
4133 | |
18100
6a71e5030df5
Follow coding convention of defining and initializing only 1 variable per line in liboctinterp.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
4134 int c = 0; |
6a71e5030df5
Follow coding convention of defining and initializing only 1 variable per line in liboctinterp.
Rik <rik@octave.org>
parents:
17787
diff
changeset
|
4135 int lastc = -1; |
9701 | 4136 cnt = 0; |
4137 | |
21184
3db899f1d54c
use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents:
21147
diff
changeset
|
4138 while (is && (c = is.get ()) != std::istream::traits_type::eof ()) |
9701 | 4139 { |
4140 // Handle CRLF, CR, or LF as line ending. | |
4141 if (c == '\r' || (c == '\n' && lastc != '\r')) | |
4142 { | |
4143 if (++cnt == num) | |
4144 break; | |
4145 } | |
4146 | |
4147 lastc = c; | |
4148 } | |
4149 | |
4150 // Maybe eat the following \n if \r was just met. | |
4151 if (c == '\r' && is.peek () == '\n') | |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4152 is.get (); |
9701 | 4153 |
4154 if (is.bad ()) | |
4155 { | |
4156 err = true; | |
4157 error (who, "read error"); | |
4158 } | |
4159 | |
4160 if (err) | |
4161 cnt = -1; | |
4162 } | |
4163 | |
4164 return cnt; | |
4165 } | |
4166 | |
21139
538b57866b90
consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents:
21129
diff
changeset
|
4167 template <typename T> |
3636 | 4168 std::istream& |
6767 | 4169 octave_scan_1 (std::istream& is, const scanf_format_elt& fmt, T* valptr) |
3636 | 4170 { |
21687
4418e579cca6
scanf: return maximum/minimum value on integer overflow (bug #47759)
Mike Miller <mtmiller@octave.org>
parents:
21686
diff
changeset
|
4171 T value = T (); |
3779 | 4172 |
4173 switch (fmt.type) | |
4174 { | |
4175 case 'o': | |
21687
4418e579cca6
scanf: return maximum/minimum value on integer overflow (bug #47759)
Mike Miller <mtmiller@octave.org>
parents:
21686
diff
changeset
|
4176 is >> std::oct >> value >> std::dec; |
3779 | 4177 break; |
4178 | |
4179 case 'x': | |
21687
4418e579cca6
scanf: return maximum/minimum value on integer overflow (bug #47759)
Mike Miller <mtmiller@octave.org>
parents:
21686
diff
changeset
|
4180 is >> std::hex >> value >> std::dec; |
4926 | 4181 break; |
4182 | |
4183 case 'i': | |
4184 { | |
21184
3db899f1d54c
use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents:
21147
diff
changeset
|
4185 int c1 = std::istream::traits_type::eof (); |
3db899f1d54c
use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents:
21147
diff
changeset
|
4186 |
3db899f1d54c
use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents:
21147
diff
changeset
|
4187 while (is && (c1 = is.get ()) != std::istream::traits_type::eof () |
3db899f1d54c
use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents:
21147
diff
changeset
|
4188 && isspace (c1)) |
20946 | 4189 ; // skip whitespace |
14675
757f729fd41d
skip leading whitespace for scanf %i format
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
4190 |
21184
3db899f1d54c
use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents:
21147
diff
changeset
|
4191 if (c1 != std::istream::traits_type::eof ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4192 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4193 if (c1 == '0') |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4194 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4195 int c2 = is.peek (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4196 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4197 if (c2 == 'x' || c2 == 'X') |
7709
fa41af732801
octave_scan_1: fix reading of hex numbers
Jaroslav Hajek <highegg@gmail.com>
parents:
7538
diff
changeset
|
4198 { |
fa41af732801
octave_scan_1: fix reading of hex numbers
Jaroslav Hajek <highegg@gmail.com>
parents:
7538
diff
changeset
|
4199 is.ignore (); |
fa41af732801
octave_scan_1: fix reading of hex numbers
Jaroslav Hajek <highegg@gmail.com>
parents:
7538
diff
changeset
|
4200 if (std::isxdigit (is.peek ())) |
21687
4418e579cca6
scanf: return maximum/minimum value on integer overflow (bug #47759)
Mike Miller <mtmiller@octave.org>
parents:
21686
diff
changeset
|
4201 is >> std::hex >> value >> std::dec; |
7709
fa41af732801
octave_scan_1: fix reading of hex numbers
Jaroslav Hajek <highegg@gmail.com>
parents:
7538
diff
changeset
|
4202 else |
21687
4418e579cca6
scanf: return maximum/minimum value on integer overflow (bug #47759)
Mike Miller <mtmiller@octave.org>
parents:
21686
diff
changeset
|
4203 value = 0; |
7709
fa41af732801
octave_scan_1: fix reading of hex numbers
Jaroslav Hajek <highegg@gmail.com>
parents:
7538
diff
changeset
|
4204 } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4205 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4206 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4207 if (c2 == '0' || c2 == '1' || c2 == '2' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4208 || c2 == '3' || c2 == '4' || c2 == '5' |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4209 || c2 == '6' || c2 == '7') |
21687
4418e579cca6
scanf: return maximum/minimum value on integer overflow (bug #47759)
Mike Miller <mtmiller@octave.org>
parents:
21686
diff
changeset
|
4210 is >> std::oct >> value >> std::dec; |
21114
47908b818865
oct-stream.cc: Add FIXME note about bug #46493.
Rik <rik@octave.org>
parents:
21102
diff
changeset
|
4211 else if (c2 == '8' || c2 == '9') |
22407
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
4212 { |
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
4213 // FIXME: Would like to set error state on octave |
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
4214 // stream. See bug #46493. But only std::istream is |
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
4215 // input to fcn. |
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
4216 // error ("internal failure to match octal format"); |
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
4217 value = 0; |
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
4218 } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4219 else |
21687
4418e579cca6
scanf: return maximum/minimum value on integer overflow (bug #47759)
Mike Miller <mtmiller@octave.org>
parents:
21686
diff
changeset
|
4220 value = 0; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4221 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4222 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4223 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4224 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4225 is.putback (c1); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4226 |
21687
4418e579cca6
scanf: return maximum/minimum value on integer overflow (bug #47759)
Mike Miller <mtmiller@octave.org>
parents:
21686
diff
changeset
|
4227 is >> value; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4228 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4229 } |
4926 | 4230 } |
3779 | 4231 break; |
4232 | |
4233 default: | |
21687
4418e579cca6
scanf: return maximum/minimum value on integer overflow (bug #47759)
Mike Miller <mtmiller@octave.org>
parents:
21686
diff
changeset
|
4234 is >> value; |
3779 | 4235 break; |
4236 } | |
3639 | 4237 |
21687
4418e579cca6
scanf: return maximum/minimum value on integer overflow (bug #47759)
Mike Miller <mtmiller@octave.org>
parents:
21686
diff
changeset
|
4238 // If conversion produces an integer that overflows, failbit is set but |
21751
b571fc85953f
maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents:
21739
diff
changeset
|
4239 // value is non-zero. We want to treat this case as success, so clear |
21687
4418e579cca6
scanf: return maximum/minimum value on integer overflow (bug #47759)
Mike Miller <mtmiller@octave.org>
parents:
21686
diff
changeset
|
4240 // failbit from the stream state to keep going. |
4418e579cca6
scanf: return maximum/minimum value on integer overflow (bug #47759)
Mike Miller <mtmiller@octave.org>
parents:
21686
diff
changeset
|
4241 // FIXME: Maybe set error state on octave stream as above? Matlab does |
4418e579cca6
scanf: return maximum/minimum value on integer overflow (bug #47759)
Mike Miller <mtmiller@octave.org>
parents:
21686
diff
changeset
|
4242 // *not* indicate an error message on overflow. |
4418e579cca6
scanf: return maximum/minimum value on integer overflow (bug #47759)
Mike Miller <mtmiller@octave.org>
parents:
21686
diff
changeset
|
4243 if ((is.rdstate () & std::ios::failbit) && value != T ()) |
4418e579cca6
scanf: return maximum/minimum value on integer overflow (bug #47759)
Mike Miller <mtmiller@octave.org>
parents:
21686
diff
changeset
|
4244 is.clear (is.rdstate () & ~std::ios::failbit); |
4418e579cca6
scanf: return maximum/minimum value on integer overflow (bug #47759)
Mike Miller <mtmiller@octave.org>
parents:
21686
diff
changeset
|
4245 |
4418e579cca6
scanf: return maximum/minimum value on integer overflow (bug #47759)
Mike Miller <mtmiller@octave.org>
parents:
21686
diff
changeset
|
4246 // Only copy the converted value if the stream is in a state where we |
4418e579cca6
scanf: return maximum/minimum value on integer overflow (bug #47759)
Mike Miller <mtmiller@octave.org>
parents:
21686
diff
changeset
|
4247 // want to continue reading. |
4418e579cca6
scanf: return maximum/minimum value on integer overflow (bug #47759)
Mike Miller <mtmiller@octave.org>
parents:
21686
diff
changeset
|
4248 if (! (is.rdstate () & std::ios::failbit)) |
4418e579cca6
scanf: return maximum/minimum value on integer overflow (bug #47759)
Mike Miller <mtmiller@octave.org>
parents:
21686
diff
changeset
|
4249 *valptr = value; |
4418e579cca6
scanf: return maximum/minimum value on integer overflow (bug #47759)
Mike Miller <mtmiller@octave.org>
parents:
21686
diff
changeset
|
4250 |
3638 | 4251 return is; |
3636 | 4252 } |
4253 | |
21139
538b57866b90
consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents:
21129
diff
changeset
|
4254 template <typename T> |
6767 | 4255 std::istream& |
4256 octave_scan (std::istream& is, const scanf_format_elt& fmt, T* valptr) | |
4257 { | |
4258 if (fmt.width) | |
4259 { | |
4260 // Limit input to fmt.width characters by reading into a | |
4261 // temporary stringstream buffer. | |
4262 std::string tmp; | |
4263 | |
4264 is.width (fmt.width); | |
4265 is >> tmp; | |
4266 | |
4267 std::istringstream ss (tmp); | |
4268 | |
4269 octave_scan_1 (ss, fmt, valptr); | |
4270 } | |
4271 else | |
4272 octave_scan_1 (is, fmt, valptr); | |
4273 | |
4274 return is; | |
4275 } | |
4276 | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
4277 // Note that this specialization is only used for reading characters, not |
21751
b571fc85953f
maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents:
21739
diff
changeset
|
4278 // character strings. See BEGIN_S_CONVERSION for details. |
3779 | 4279 |
21139
538b57866b90
consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents:
21129
diff
changeset
|
4280 template <> |
3779 | 4281 std::istream& |
4661 | 4282 octave_scan<> (std::istream& is, const scanf_format_elt& /* fmt */, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4283 char* valptr) |
3779 | 4284 { |
4285 return is >> valptr; | |
4286 } | |
3636 | 4287 |
21139
538b57866b90
consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents:
21129
diff
changeset
|
4288 template <> |
5176 | 4289 std::istream& |
5403 | 4290 octave_scan<> (std::istream& is, const scanf_format_elt& fmt, double* valptr) |
5176 | 4291 { |
4292 double& ref = *valptr; | |
4293 | |
4294 switch (fmt.type) | |
4295 { | |
4296 case 'e': | |
4297 case 'f': | |
4298 case 'g': | |
4299 { | |
21184
3db899f1d54c
use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents:
21147
diff
changeset
|
4300 int c1 = std::istream::traits_type::eof (); |
3db899f1d54c
use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents:
21147
diff
changeset
|
4301 |
3db899f1d54c
use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents:
21147
diff
changeset
|
4302 while (is && (c1 = is.get ()) != std::istream::traits_type::eof () |
3db899f1d54c
use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents:
21147
diff
changeset
|
4303 && isspace (c1)) |
20946 | 4304 ; // skip whitespace |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4305 |
21184
3db899f1d54c
use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents:
21147
diff
changeset
|
4306 if (c1 != std::istream::traits_type::eof ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4307 { |
12936
b74cb659e757
accept but discard sign when reading NA and NaN values
John W. Eaton <jwe@octave.org>
parents:
11586
diff
changeset
|
4308 is.putback (c1); |
b74cb659e757
accept but discard sign when reading NA and NaN values
John W. Eaton <jwe@octave.org>
parents:
11586
diff
changeset
|
4309 |
b74cb659e757
accept but discard sign when reading NA and NaN values
John W. Eaton <jwe@octave.org>
parents:
11586
diff
changeset
|
4310 ref = octave_read_value<double> (is); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4311 } |
5176 | 4312 } |
4313 break; | |
4314 | |
4315 default: | |
4316 panic_impossible (); | |
4317 break; | |
4318 } | |
4319 | |
4320 return is; | |
4321 } | |
4322 | |
21139
538b57866b90
consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents:
21129
diff
changeset
|
4323 template <typename T> |
2572 | 4324 void |
3636 | 4325 do_scanf_conv (std::istream& is, const scanf_format_elt& fmt, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4326 T valptr, Matrix& mval, double *data, octave_idx_type& idx, |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4327 octave_idx_type& conversion_count, octave_idx_type nr, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4328 octave_idx_type max_size, bool discard) |
2572 | 4329 { |
21147
95feb42d7a97
* oct-stream.cc (OCTAVE_SCAN): Eliminate trivial macro.
John W. Eaton <jwe@octave.org>
parents:
21139
diff
changeset
|
4330 octave_scan (is, fmt, valptr); |
2572 | 4331 |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4332 if (! is) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4333 return; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4334 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4335 if (idx == max_size && ! discard) |
2572 | 4336 { |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4337 max_size *= 2; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4338 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4339 if (nr > 0) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4340 mval.resize (nr, max_size / nr, 0.0); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4341 else |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4342 mval.resize (max_size, 1, 0.0); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4343 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4344 data = mval.fortran_vec (); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4345 } |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4346 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4347 if (! discard) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4348 { |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4349 conversion_count++; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4350 data[idx++] = *(valptr); |
2572 | 4351 } |
4352 } | |
4353 | |
4354 template void | |
3636 | 4355 do_scanf_conv (std::istream&, const scanf_format_elt&, double*, |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4356 Matrix&, double*, octave_idx_type&, octave_idx_type&, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4357 octave_idx_type, octave_idx_type, bool); |
2572 | 4358 |
22197
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4359 #define DO_WHITESPACE_CONVERSION() \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4360 do \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4361 { \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4362 int c = std::istream::traits_type::eof (); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4363 \ |
21184
3db899f1d54c
use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents:
21147
diff
changeset
|
4364 while (is && (c = is.get ()) != std::istream::traits_type::eof () \ |
22197
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4365 && isspace (c)) \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4366 { /* skip whitespace */ } \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4367 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4368 if (c != std::istream::traits_type::eof ()) \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4369 is.putback (c); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4370 } \ |
3483 | 4371 while (0) |
4372 | |
22197
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4373 #define DO_LITERAL_CONVERSION() \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4374 do \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4375 { \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4376 int c = std::istream::traits_type::eof (); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4377 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4378 int n = strlen (fmt); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4379 int i = 0; \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4380 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4381 while (i < n && is && (c = is.get ()) != std::istream::traits_type::eof ()) \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4382 { \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4383 if (c == static_cast<unsigned char> (fmt[i])) \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4384 { \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4385 i++; \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4386 continue; \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4387 } \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4388 else \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4389 { \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4390 is.putback (c); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4391 break; \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4392 } \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4393 } \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4394 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4395 if (i != n) \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4396 is.setstate (std::ios::failbit); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4397 } \ |
3483 | 4398 while (0) |
4399 | |
22197
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4400 #define DO_PCT_CONVERSION() \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4401 do \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4402 { \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4403 int c = is.get (); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4404 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4405 if (c != std::istream::traits_type::eof ()) \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4406 { \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4407 if (c != '%') \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4408 { \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4409 is.putback (c); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4410 is.setstate (std::ios::failbit); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4411 } \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4412 } \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4413 else \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4414 is.setstate (std::ios::failbit); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4415 } \ |
3640 | 4416 while (0) |
4417 | |
22197
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4418 #define BEGIN_C_CONVERSION() \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4419 is.unsetf (std::ios::skipws); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4420 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4421 int width = elt->width ? elt->width : 1; \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4422 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4423 std::string tmp (width, '\0'); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4424 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4425 int c = std::istream::traits_type::eof (); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4426 int n = 0; \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4427 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4428 while (is && n < width \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4429 && (c = is.get ()) != std::istream::traits_type::eof ()) \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4430 tmp[n++] = static_cast<char> (c); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4431 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4432 if (n > 0 && c == std::istream::traits_type::eof ()) \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4433 is.clear (); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4434 \ |
12984
7626f8934466
correctly resize scanf output for %c formats (bug #34037)
John W. Eaton <jwe@octave.org>
parents:
12966
diff
changeset
|
4435 tmp.resize (n) |
3483 | 4436 |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
4437 // For a '%s' format, skip initial whitespace and then read until the |
5338 | 4438 // next whitespace character or until WIDTH characters have been read. |
22197
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4439 #define BEGIN_S_CONVERSION() \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4440 int width = elt->width; \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4441 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4442 std::string tmp; \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4443 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4444 do \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4445 { \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4446 if (width) \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4447 { \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4448 tmp = std::string (width, '\0'); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4449 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4450 int c = std::istream::traits_type::eof (); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4451 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4452 int n = 0; \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4453 \ |
21184
3db899f1d54c
use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents:
21147
diff
changeset
|
4454 while (is && (c = is.get ()) != std::istream::traits_type::eof ()) \ |
22197
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4455 { \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4456 if (! isspace (c)) \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4457 { \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4458 tmp[n++] = static_cast<char> (c); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4459 break; \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4460 } \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4461 } \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4462 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4463 while (is && n < width \ |
21184
3db899f1d54c
use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents:
21147
diff
changeset
|
4464 && (c = is.get ()) != std::istream::traits_type::eof ()) \ |
22197
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4465 { \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4466 if (isspace (c)) \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4467 { \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4468 is.putback (c); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4469 break; \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4470 } \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4471 else \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4472 tmp[n++] = static_cast<char> (c); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4473 } \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4474 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4475 if (n > 0 && c == std::istream::traits_type::eof ()) \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4476 is.clear (); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4477 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4478 tmp.resize (n); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4479 } \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4480 else \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4481 { \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4482 is >> std::ws >> tmp; \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4483 } \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4484 } \ |
3483 | 4485 while (0) |
4486 | |
4487 // This format must match a nonempty sequence of characters. | |
22197
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4488 #define BEGIN_CHAR_CLASS_CONVERSION() \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4489 int width = elt->width; \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4490 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4491 std::string tmp; \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4492 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4493 do \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4494 { \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4495 if (! width) \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4496 width = std::numeric_limits<int>::max (); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4497 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4498 std::ostringstream buf; \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4499 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4500 std::string char_class = elt->char_class; \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4501 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4502 int c = std::istream::traits_type::eof (); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4503 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4504 if (elt->type == '[') \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4505 { \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4506 int chars_read = 0; \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4507 while (is && chars_read++ < width \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4508 && (c = is.get ()) != std::istream::traits_type::eof () \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4509 && char_class.find (c) != std::string::npos) \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4510 buf << static_cast<char> (c); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4511 } \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4512 else \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4513 { \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4514 int chars_read = 0; \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4515 while (is && chars_read++ < width \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4516 && (c = is.get ()) != std::istream::traits_type::eof () \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4517 && char_class.find (c) == std::string::npos) \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4518 buf << static_cast<char> (c); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4519 } \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4520 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4521 if (width == std::numeric_limits<int>::max () \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4522 && c != std::istream::traits_type::eof ()) \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4523 is.putback (c); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4524 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4525 tmp = buf.str (); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4526 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4527 if (tmp.empty ()) \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4528 is.setstate (std::ios::failbit); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4529 else if (c == std::istream::traits_type::eof ()) \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4530 is.clear (); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4531 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4532 } \ |
3483 | 4533 while (0) |
4534 | |
22197
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4535 #define FINISH_CHARACTER_CONVERSION() \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4536 do \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4537 { \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4538 width = tmp.length (); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4539 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4540 if (is) \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4541 { \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4542 int i = 0; \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4543 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4544 if (! discard) \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4545 { \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4546 conversion_count++; \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4547 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4548 while (i < width) \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4549 { \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4550 if (data_index == max_size) \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4551 { \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4552 max_size *= 2; \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4553 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4554 if (all_char_conv) \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4555 { \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4556 if (one_elt_size_spec) \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4557 mval.resize (1, max_size, 0.0); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4558 else if (nr > 0) \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4559 mval.resize (nr, max_size / nr, 0.0); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4560 else \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4561 panic_impossible (); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4562 } \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4563 else if (nr > 0) \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4564 mval.resize (nr, max_size / nr, 0.0); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4565 else \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4566 mval.resize (max_size, 1, 0.0); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4567 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4568 data = mval.fortran_vec (); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4569 } \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4570 \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4571 data[data_index++] = tmp[i++]; \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4572 } \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4573 } \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4574 } \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
4575 } \ |
3410 | 4576 while (0) |
2117 | 4577 |
4578 octave_value | |
4579 octave_base_stream::do_scanf (scanf_format_list& fmt_list, | |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4580 octave_idx_type nr, octave_idx_type nc, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4581 bool one_elt_size_spec, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4582 octave_idx_type& conversion_count, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4583 const std::string& who) |
2117 | 4584 { |
22089
c2c668b3051b
use classes for octave application and interpreter
John W. Eaton <jwe@octave.org>
parents:
22022
diff
changeset
|
4585 if (octave::application::interactive () && file_number () == 0) |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4586 ::error ("%s: unable to read from stdin while running interactively", |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4587 who.c_str ()); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4588 |
8773
9e3111d203c0
disallow reading from stdin while running interactively
John W. Eaton <jwe@octave.org>
parents:
8739
diff
changeset
|
4589 octave_value retval = Matrix (); |
9e3111d203c0
disallow reading from stdin while running interactively
John W. Eaton <jwe@octave.org>
parents:
8739
diff
changeset
|
4590 |
3268 | 4591 conversion_count = 0; |
4592 | |
10187
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
4593 octave_idx_type nconv = fmt_list.num_conversions (); |
3640 | 4594 |
5275 | 4595 octave_idx_type data_index = 0; |
2121 | 4596 |
3268 | 4597 if (nr == 0 || nc == 0) |
4598 { | |
4599 if (one_elt_size_spec) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4600 nc = 0; |
3268 | 4601 |
4602 return Matrix (nr, nc, 0.0); | |
4603 } | |
4604 | |
3523 | 4605 std::istream *isp = input_stream (); |
2117 | 4606 |
4607 bool all_char_conv = fmt_list.all_character_conversions (); | |
4608 | |
4609 Matrix mval; | |
4610 double *data = 0; | |
5275 | 4611 octave_idx_type max_size = 0; |
4612 octave_idx_type max_conv = 0; | |
4613 | |
4614 octave_idx_type final_nr = 0; | |
4615 octave_idx_type final_nc = 0; | |
2117 | 4616 |
3268 | 4617 if (all_char_conv) |
4618 { | |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4619 // Any of these could be resized later (if we have %s conversions, |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4620 // we may read more than one element for each conversion). |
3268 | 4621 if (one_elt_size_spec) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4622 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4623 max_size = 512; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4624 mval.resize (1, max_size, 0.0); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4625 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4626 if (nr > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4627 max_conv = nr; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4628 } |
4420 | 4629 else if (nr > 0) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4630 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4631 if (nc > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4632 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4633 mval.resize (nr, nc, 0.0); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4634 max_size = max_conv = nr * nc; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4635 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4636 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4637 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4638 mval.resize (nr, 32, 0.0); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4639 max_size = nr * 32; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4640 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4641 } |
4420 | 4642 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4643 panic_impossible (); |
3268 | 4644 } |
4645 else if (nr > 0) | |
2117 | 4646 { |
4647 if (nc > 0) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4648 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4649 // Will not resize later. |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4650 mval.resize (nr, nc, 0.0); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4651 max_size = nr * nc; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4652 max_conv = max_size; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4653 } |
2117 | 4654 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4655 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4656 // Maybe resize later. |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4657 mval.resize (nr, 32, 0.0); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4658 max_size = nr * 32; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4659 } |
2117 | 4660 } |
4661 else | |
4662 { | |
4420 | 4663 // Maybe resize later. |
2117 | 4664 mval.resize (32, 1, 0.0); |
4665 max_size = 32; | |
4666 } | |
4667 | |
4420 | 4668 data = mval.fortran_vec (); |
4669 | |
2117 | 4670 if (isp) |
4671 { | |
3523 | 4672 std::istream& is = *isp; |
2117 | 4673 |
4674 const scanf_format_elt *elt = fmt_list.first (); | |
4675 | |
3538 | 4676 std::ios::fmtflags flags = is.flags (); |
2213 | 4677 |
10187
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
4678 octave_idx_type trips = 0; |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
4679 |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
4680 octave_idx_type num_fmt_elts = fmt_list.length (); |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
4681 |
2117 | 4682 for (;;) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4683 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4684 octave_quit (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4685 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4686 if (elt) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4687 { |
20465
44eb1102f8a8
don't recycle scanf format string if all conversions are done (bug #45808)
John W. Eaton <jwe@octave.org>
parents:
20432
diff
changeset
|
4688 if (elt->type == scanf_format_elt::null |
44eb1102f8a8
don't recycle scanf format string if all conversions are done (bug #45808)
John W. Eaton <jwe@octave.org>
parents:
20432
diff
changeset
|
4689 || (! (elt->type == scanf_format_elt::whitespace_conversion |
22407
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
4690 || elt->type == scanf_format_elt::literal_conversion |
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
4691 || elt->type == '%') |
20465
44eb1102f8a8
don't recycle scanf format string if all conversions are done (bug #45808)
John W. Eaton <jwe@octave.org>
parents:
20432
diff
changeset
|
4692 && max_conv > 0 && conversion_count == max_conv)) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4693 { |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4694 // We are done, either because we have reached the end of the |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4695 // format string and are not cycling through the format again |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4696 // or because we've converted all the values that have been |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4697 // requested and the next format element is a conversion. |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4698 // Determine final array size and exit. |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4699 if (all_char_conv && one_elt_size_spec) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4700 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4701 final_nr = 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4702 final_nc = data_index; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4703 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4704 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4705 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4706 final_nr = nr; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4707 final_nc = (data_index - 1) / nr + 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4708 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4709 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4710 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4711 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4712 else if (data_index == max_size) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4713 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4714 max_size *= 2; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4715 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4716 if (all_char_conv) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4717 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4718 if (one_elt_size_spec) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4719 mval.resize (1, max_size, 0.0); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4720 else if (nr > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4721 mval.resize (nr, max_size / nr, 0.0); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4722 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4723 panic_impossible (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4724 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4725 else if (nr > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4726 mval.resize (nr, max_size / nr, 0.0); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4727 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4728 mval.resize (max_size, 1, 0.0); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4729 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4730 data = mval.fortran_vec (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4731 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4732 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4733 const char *fmt = elt->text; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4734 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4735 bool discard = elt->discard; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4736 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4737 switch (elt->type) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4738 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4739 case scanf_format_elt::whitespace_conversion: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4740 DO_WHITESPACE_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4741 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4742 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4743 case scanf_format_elt::literal_conversion: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4744 DO_LITERAL_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4745 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4746 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4747 case '%': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4748 DO_PCT_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4749 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4750 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4751 case 'd': case 'i': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4752 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4753 switch (elt->modifier) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4754 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4755 case 'h': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4756 { |
21686
f07d6f579214
scanf: use appropriate sized types for integer conversions (bug #47741)
Mike Miller <mtmiller@octave.org>
parents:
21622
diff
changeset
|
4757 int16_t tmp; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4758 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4759 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4760 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4761 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4762 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4763 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4764 case 'l': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4765 { |
21686
f07d6f579214
scanf: use appropriate sized types for integer conversions (bug #47741)
Mike Miller <mtmiller@octave.org>
parents:
21622
diff
changeset
|
4766 int64_t tmp; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4767 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4768 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4769 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4770 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4771 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4772 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4773 default: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4774 { |
21686
f07d6f579214
scanf: use appropriate sized types for integer conversions (bug #47741)
Mike Miller <mtmiller@octave.org>
parents:
21622
diff
changeset
|
4775 int32_t tmp; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4776 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4777 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4778 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4779 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4780 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4781 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4782 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4783 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4784 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4785 case 'o': case 'u': case 'x': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4786 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4787 switch (elt->modifier) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4788 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4789 case 'h': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4790 { |
21686
f07d6f579214
scanf: use appropriate sized types for integer conversions (bug #47741)
Mike Miller <mtmiller@octave.org>
parents:
21622
diff
changeset
|
4791 uint16_t tmp; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4792 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4793 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4794 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4795 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4796 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4797 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4798 case 'l': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4799 { |
21686
f07d6f579214
scanf: use appropriate sized types for integer conversions (bug #47741)
Mike Miller <mtmiller@octave.org>
parents:
21622
diff
changeset
|
4800 uint64_t tmp; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4801 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4802 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4803 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4804 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4805 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4806 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4807 default: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4808 { |
21686
f07d6f579214
scanf: use appropriate sized types for integer conversions (bug #47741)
Mike Miller <mtmiller@octave.org>
parents:
21622
diff
changeset
|
4809 uint32_t tmp; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4810 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4811 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4812 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4813 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4814 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4815 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4816 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4817 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4818 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4819 case 'e': case 'f': case 'g': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4820 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4821 double tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4822 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4823 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4824 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4825 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4826 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4827 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4828 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4829 case 'c': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4830 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4831 BEGIN_C_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4832 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4833 FINISH_CHARACTER_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4834 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4835 is.setf (flags); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4836 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4837 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4838 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4839 case 's': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4840 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4841 BEGIN_S_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4842 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4843 FINISH_CHARACTER_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4844 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4845 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4846 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4847 case '[': case '^': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4848 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4849 BEGIN_CHAR_CLASS_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4850 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4851 FINISH_CHARACTER_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4852 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4853 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4854 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4855 case 'p': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4856 error ("%s: unsupported format specifier", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4857 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4858 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4859 default: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4860 error ("%s: internal format error", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4861 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4862 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4863 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4864 if (! ok ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4865 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4866 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4867 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4868 else if (! is) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4869 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4870 if (all_char_conv) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4871 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4872 if (one_elt_size_spec) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4873 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4874 final_nr = 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4875 final_nc = data_index; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4876 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4877 else if (data_index > nr) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4878 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4879 final_nr = nr; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4880 final_nc = (data_index - 1) / nr + 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4881 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4882 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4883 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4884 final_nr = data_index; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4885 final_nc = 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4886 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4887 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4888 else if (nr > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4889 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4890 if (data_index > nr) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4891 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4892 final_nr = nr; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4893 final_nc = (data_index - 1) / nr + 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4894 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4895 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4896 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4897 final_nr = data_index; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4898 final_nc = 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4899 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4900 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4901 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4902 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4903 final_nr = data_index; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4904 final_nc = 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4905 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4906 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4907 // If it looks like we have a matching failure, then |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4908 // reset the failbit in the stream state. |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4909 if (is.rdstate () & std::ios::failbit) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4910 is.clear (is.rdstate () & (~std::ios::failbit)); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4911 |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4912 // FIXME: is this the right thing to do? |
22089
c2c668b3051b
use classes for octave application and interpreter
John W. Eaton <jwe@octave.org>
parents:
22022
diff
changeset
|
4913 if (octave::application::interactive () |
c2c668b3051b
use classes for octave application and interpreter
John W. Eaton <jwe@octave.org>
parents:
22022
diff
changeset
|
4914 && ! octave::application::forced_interactive () |
c2c668b3051b
use classes for octave application and interpreter
John W. Eaton <jwe@octave.org>
parents:
22022
diff
changeset
|
4915 && name () == "stdin") |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4916 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4917 is.clear (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4918 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4919 // Skip to end of line. |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4920 bool err; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4921 do_gets (-1, err, false, who); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4922 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4923 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4924 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4925 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4926 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4927 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4928 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4929 error ("%s: internal format error", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4930 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4931 } |
2117 | 4932 |
10187
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
4933 if (nconv == 0 && ++trips == num_fmt_elts) |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
4934 { |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
4935 if (all_char_conv && one_elt_size_spec) |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
4936 { |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
4937 final_nr = 1; |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
4938 final_nc = data_index; |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
4939 } |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
4940 else |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
4941 { |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
4942 final_nr = nr; |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
4943 final_nc = (data_index - 1) / nr + 1; |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
4944 } |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
4945 |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
4946 break; |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
4947 } |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
4948 else |
20465
44eb1102f8a8
don't recycle scanf format string if all conversions are done (bug #45808)
John W. Eaton <jwe@octave.org>
parents:
20432
diff
changeset
|
4949 { |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4950 // Cycle through the format list more than once if we have some |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4951 // conversions to make and we haven't reached the limit on the |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4952 // number of values to convert (possibly because there is no |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4953 // specified limit). |
20465
44eb1102f8a8
don't recycle scanf format string if all conversions are done (bug #45808)
John W. Eaton <jwe@octave.org>
parents:
20432
diff
changeset
|
4954 elt = fmt_list.next (nconv > 0 |
44eb1102f8a8
don't recycle scanf format string if all conversions are done (bug #45808)
John W. Eaton <jwe@octave.org>
parents:
20432
diff
changeset
|
4955 && (max_conv == 0 |
44eb1102f8a8
don't recycle scanf format string if all conversions are done (bug #45808)
John W. Eaton <jwe@octave.org>
parents:
20432
diff
changeset
|
4956 || conversion_count < max_conv)); |
44eb1102f8a8
don't recycle scanf format string if all conversions are done (bug #45808)
John W. Eaton <jwe@octave.org>
parents:
20432
diff
changeset
|
4957 } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4958 } |
2117 | 4959 } |
4960 | |
4961 if (ok ()) | |
4962 { | |
2121 | 4963 mval.resize (final_nr, final_nc, 0.0); |
2117 | 4964 |
3268 | 4965 retval = mval; |
4966 | |
2117 | 4967 if (all_char_conv) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4968 retval = retval.convert_to_str (false, true); |
2117 | 4969 } |
4970 | |
4971 return retval; | |
4972 } | |
4973 | |
4974 octave_value | |
3810 | 4975 octave_base_stream::scanf (const std::string& fmt, const Array<double>& size, |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4976 octave_idx_type& conversion_count, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
4977 const std::string& who) |
2117 | 4978 { |
4979 octave_value retval = Matrix (); | |
4980 | |
3559 | 4981 conversion_count = 0; |
2117 | 4982 |
3523 | 4983 std::istream *isp = input_stream (); |
2117 | 4984 |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4985 if (! isp) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4986 invalid_operation (who, "reading"); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4987 else |
2117 | 4988 { |
4989 scanf_format_list fmt_list (fmt); | |
4990 | |
3640 | 4991 if (fmt_list.num_conversions () == -1) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
4992 ::error ("%s: invalid format specified", who.c_str ()); |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4993 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4994 octave_idx_type nr = -1; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4995 octave_idx_type nc = -1; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4996 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4997 bool one_elt_size_spec; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4998 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
4999 get_size (size, nr, nc, one_elt_size_spec, who); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5000 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5001 retval = do_scanf (fmt_list, nr, nc, one_elt_size_spec, |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5002 conversion_count, who); |
2215 | 5003 } |
2572 | 5004 |
5005 return retval; | |
5006 } | |
5007 | |
2712 | 5008 bool |
5009 octave_base_stream::do_oscanf (const scanf_format_elt *elt, | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5010 octave_value& retval, const std::string& who) |
2572 | 5011 { |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5012 std::istream *isp = input_stream (); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5013 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5014 if (! isp) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5015 return false; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5016 |
2712 | 5017 bool quit = false; |
2215 | 5018 |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5019 std::istream& is = *isp; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5020 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5021 std::ios::fmtflags flags = is.flags (); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5022 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5023 if (elt) |
2215 | 5024 { |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5025 const char *fmt = elt->text; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5026 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5027 bool discard = elt->discard; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5028 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5029 switch (elt->type) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5030 { |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5031 case scanf_format_elt::whitespace_conversion: |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5032 DO_WHITESPACE_CONVERSION (); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5033 break; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5034 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5035 case scanf_format_elt::literal_conversion: |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5036 DO_LITERAL_CONVERSION (); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5037 break; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5038 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5039 case '%': |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5040 { |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5041 DO_PCT_CONVERSION (); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5042 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5043 if (! is) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5044 quit = true; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5045 } |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5046 break; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5047 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5048 case 'd': case 'i': |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5049 { |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5050 int tmp; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5051 |
21147
95feb42d7a97
* oct-stream.cc (OCTAVE_SCAN): Eliminate trivial macro.
John W. Eaton <jwe@octave.org>
parents:
21139
diff
changeset
|
5052 if (octave_scan (is, *elt, &tmp)) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5053 { |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5054 if (! discard) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5055 retval = tmp; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5056 } |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5057 else |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5058 quit = true; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5059 } |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5060 break; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5061 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5062 case 'o': case 'u': case 'x': |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5063 { |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5064 long int tmp; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5065 |
21147
95feb42d7a97
* oct-stream.cc (OCTAVE_SCAN): Eliminate trivial macro.
John W. Eaton <jwe@octave.org>
parents:
21139
diff
changeset
|
5066 if (octave_scan (is, *elt, &tmp)) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5067 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5068 if (! discard) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5069 retval = tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5070 } |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5071 else |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5072 quit = true; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5073 } |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5074 break; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5075 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5076 case 'e': case 'f': case 'g': |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5077 { |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5078 double tmp; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5079 |
21147
95feb42d7a97
* oct-stream.cc (OCTAVE_SCAN): Eliminate trivial macro.
John W. Eaton <jwe@octave.org>
parents:
21139
diff
changeset
|
5080 if (octave_scan (is, *elt, &tmp)) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5081 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5082 if (! discard) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5083 retval = tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5084 } |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5085 else |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5086 quit = true; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5087 } |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5088 break; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5089 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5090 case 'c': |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5091 { |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5092 BEGIN_C_CONVERSION (); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5093 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5094 if (! discard) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5095 retval = tmp; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5096 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5097 if (! is) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5098 quit = true; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5099 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5100 is.setf (flags); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5101 } |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5102 break; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5103 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5104 case 's': |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5105 { |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5106 BEGIN_S_CONVERSION (); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5107 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5108 if (! discard) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5109 retval = tmp; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5110 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5111 if (! is) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5112 quit = true; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5113 } |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5114 break; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5115 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5116 case '[': |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5117 case '^': |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5118 { |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5119 BEGIN_CHAR_CLASS_CONVERSION (); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5120 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5121 if (! discard) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5122 retval = tmp; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5123 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5124 if (! is) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5125 quit = true; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5126 } |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5127 break; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5128 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5129 case 'p': |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5130 error ("%s: unsupported format specifier", who.c_str ()); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5131 break; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5132 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5133 default: |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5134 error ("%s: internal format error", who.c_str ()); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5135 break; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5136 } |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5137 } |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5138 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5139 if (ok () && is.fail ()) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5140 { |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5141 error ("%s: read error", who.c_str ()); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5142 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5143 // FIXME: is this the right thing to do? |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5144 |
22089
c2c668b3051b
use classes for octave application and interpreter
John W. Eaton <jwe@octave.org>
parents:
22022
diff
changeset
|
5145 if (octave::application::interactive () |
c2c668b3051b
use classes for octave application and interpreter
John W. Eaton <jwe@octave.org>
parents:
22022
diff
changeset
|
5146 && ! octave::application::forced_interactive () |
c2c668b3051b
use classes for octave application and interpreter
John W. Eaton <jwe@octave.org>
parents:
22022
diff
changeset
|
5147 && name () == "stdin") |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5148 { |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5149 // Skip to end of line. |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5150 bool err; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5151 do_gets (-1, err, false, who); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5152 } |
2215 | 5153 } |
5154 | |
2712 | 5155 return quit; |
2215 | 5156 } |
5157 | |
5158 octave_value_list | |
4468 | 5159 octave_base_stream::oscanf (const std::string& fmt, const std::string& who) |
2215 | 5160 { |
5161 octave_value_list retval; | |
5162 | |
3523 | 5163 std::istream *isp = input_stream (); |
2215 | 5164 |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5165 if (! isp) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5166 invalid_operation (who, "reading"); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5167 else |
2215 | 5168 { |
3523 | 5169 std::istream& is = *isp; |
2215 | 5170 |
5171 scanf_format_list fmt_list (fmt); | |
5172 | |
10187
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
5173 octave_idx_type nconv = fmt_list.num_conversions (); |
2215 | 5174 |
3640 | 5175 if (nconv == -1) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5176 ::error ("%s: invalid format specified", who.c_str ()); |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5177 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5178 is.clear (); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5179 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5180 octave_idx_type len = fmt_list.length (); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5181 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5182 retval.resize (nconv+2, Matrix ()); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5183 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5184 const scanf_format_elt *elt = fmt_list.first (); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5185 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5186 int num_values = 0; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5187 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5188 bool quit = false; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5189 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5190 for (octave_idx_type i = 0; i < len; i++) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5191 { |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5192 octave_value tmp; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5193 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5194 quit = do_oscanf (elt, tmp, who); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5195 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5196 if (quit) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5197 break; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5198 else |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5199 { |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5200 if (tmp.is_defined ()) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5201 retval(num_values++) = tmp; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5202 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5203 if (! ok ()) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5204 break; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5205 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5206 elt = fmt_list.next (nconv > 0); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5207 } |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5208 } |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5209 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5210 retval(nconv) = num_values; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5211 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5212 int err_num; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5213 retval(nconv+1) = error (false, err_num); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5214 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5215 if (! quit) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5216 { |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5217 // Pick up any trailing stuff. |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5218 if (ok () && len > nconv) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5219 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5220 octave_value tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5221 |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5222 elt = fmt_list.next (); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5223 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5224 do_oscanf (elt, tmp, who); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5225 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5226 } |
2117 | 5227 } |
5228 | |
5229 return retval; | |
5230 } | |
5231 | |
21503
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
5232 octave_value |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
5233 octave_base_stream::do_textscan (const std::string& fmt, |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
5234 octave_idx_type ntimes, |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
5235 const octave_value_list& options, |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
5236 const std::string& who, |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
5237 octave_idx_type& read_count) |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
5238 { |
22089
c2c668b3051b
use classes for octave application and interpreter
John W. Eaton <jwe@octave.org>
parents:
22022
diff
changeset
|
5239 if (octave::application::interactive () && file_number () == 0) |
21503
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
5240 ::error ("%s: unable to read from stdin while running interactively", |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
5241 who.c_str ()); |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
5242 |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
5243 octave_value retval = Cell (dim_vector (1, 1), Matrix (0, 1)); |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
5244 |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
5245 std::istream *isp = input_stream (); |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
5246 |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
5247 if (! isp) |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
5248 invalid_operation (who, "reading"); |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
5249 else |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
5250 { |
22326
71dd9d5a5ecd
move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
5251 octave::textscan scanner (who); |
21503
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
5252 |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
5253 retval = scanner.scan (*isp, fmt, ntimes, options, read_count); |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
5254 } |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
5255 |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
5256 return retval; |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
5257 } |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
5258 |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5259 // Functions that are defined for all output streams |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5260 // (output streams are those that define os). |
2117 | 5261 |
5262 int | |
5263 octave_base_stream::flush (void) | |
5264 { | |
5265 int retval = -1; | |
5266 | |
3523 | 5267 std::ostream *os = output_stream (); |
2117 | 5268 |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5269 if (! os) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5270 invalid_operation ("fflush", "writing"); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5271 else |
2117 | 5272 { |
5273 os->flush (); | |
5274 | |
5275 if (os->good ()) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5276 retval = 0; |
2117 | 5277 } |
5278 | |
5279 return retval; | |
5280 } | |
5281 | |
5282 class | |
5283 printf_value_cache | |
5284 { | |
5285 public: | |
5286 | |
3653 | 5287 enum state { ok, conversion_error }; |
2117 | 5288 |
7352 | 5289 printf_value_cache (const octave_value_list& args, const std::string& who) |
2117 | 5290 : values (args), val_idx (0), elt_idx (0), |
18650
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5291 n_vals (values.length ()), n_elts (0), have_data (false), |
7352 | 5292 curr_state (ok) |
5293 { | |
5294 for (octave_idx_type i = 0; i < values.length (); i++) | |
5295 { | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5296 octave_value val = values(i); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5297 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5298 if (val.is_map () || val.is_cell () || val.is_object ()) |
21129
228b65504557
maint: Eliminate useless statements after err_XXX.
Rik <rik@octave.org>
parents:
21114
diff
changeset
|
5299 err_wrong_type_arg (who, val); |
7352 | 5300 } |
5301 } | |
2117 | 5302 |
5303 ~printf_value_cache (void) { } | |
5304 | |
5305 // Get the current value as a double and advance the internal pointer. | |
19729
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5306 octave_value get_next_value (char type = 0); |
2117 | 5307 |
5308 // Get the current value as an int and advance the internal pointer. | |
5309 int int_value (void); | |
5310 | |
3145 | 5311 operator bool () const { return (curr_state == ok); } |
2117 | 5312 |
3653 | 5313 bool exhausted (void) { return (val_idx >= n_vals); } |
2117 | 5314 |
5315 private: | |
5316 | |
5317 const octave_value_list values; | |
5318 int val_idx; | |
5319 int elt_idx; | |
5320 int n_vals; | |
5321 int n_elts; | |
18650
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5322 bool have_data; |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5323 octave_value curr_val; |
2117 | 5324 state curr_state; |
5325 | |
5326 // Must create value cache with values! | |
5327 | |
5328 printf_value_cache (void); | |
5329 | |
5330 // No copying! | |
5331 | |
5332 printf_value_cache (const printf_value_cache&); | |
5333 | |
5334 printf_value_cache& operator = (const printf_value_cache&); | |
5335 }; | |
5336 | |
18650
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5337 octave_value |
19729
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5338 printf_value_cache::get_next_value (char type) |
2117 | 5339 { |
18650
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5340 octave_value retval; |
2117 | 5341 |
3711 | 5342 if (exhausted ()) |
5343 curr_state = conversion_error; | |
5344 | |
5345 while (! exhausted ()) | |
2117 | 5346 { |
18650
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5347 if (! have_data) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5348 { |
18650
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5349 curr_val = values (val_idx); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5350 |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20714
diff
changeset
|
5351 elt_idx = 0; |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20714
diff
changeset
|
5352 n_elts = curr_val.numel (); |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20714
diff
changeset
|
5353 have_data = true; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5354 } |
2117 | 5355 |
5356 if (elt_idx < n_elts) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5357 { |
19729
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5358 if (type == 's') |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5359 { |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5360 if (curr_val.is_string ()) |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5361 { |
21296
596e19e7e571
fix printf regression (bug #47192)
John W. Eaton <jwe@octave.org>
parents:
21235
diff
changeset
|
5362 dim_vector dv (1, curr_val.numel ()); |
596e19e7e571
fix printf regression (bug #47192)
John W. Eaton <jwe@octave.org>
parents:
21235
diff
changeset
|
5363 octave_value tmp = curr_val.reshape (dv); |
596e19e7e571
fix printf regression (bug #47192)
John W. Eaton <jwe@octave.org>
parents:
21235
diff
changeset
|
5364 |
596e19e7e571
fix printf regression (bug #47192)
John W. Eaton <jwe@octave.org>
parents:
21235
diff
changeset
|
5365 std::string sval = tmp.string_value (); |
19729
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5366 |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5367 retval = sval.substr (elt_idx); |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5368 |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5369 // We've consumed the rest of the value. |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5370 elt_idx = n_elts; |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5371 } |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5372 else |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5373 { |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5374 // Convert to character string while values are |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5375 // integers in the range [0 : char max] |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5376 const NDArray val = curr_val.array_value (); |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5377 |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5378 octave_idx_type idx = elt_idx; |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5379 |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5380 for (; idx < n_elts; idx++) |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5381 { |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5382 double dval = val(idx); |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5383 |
21782
2aef506f3fec
use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents:
21777
diff
changeset
|
5384 if (octave::math::x_nint (dval) != dval || dval < 0 || dval > 255) |
19729
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5385 break; |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5386 } |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5387 |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5388 octave_idx_type n = idx - elt_idx; |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5389 |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5390 if (n > 0) |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5391 { |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5392 std::string sval (n, '\0'); |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5393 |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5394 for (octave_idx_type i = 0; i < n; i++) |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5395 sval[i] = val(elt_idx++); |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5396 |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5397 retval = sval; |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5398 } |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5399 else |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5400 retval = curr_val.fast_elem_extract (elt_idx++); |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5401 } |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5402 } |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5403 else |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5404 { |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5405 retval = curr_val.fast_elem_extract (elt_idx++); |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5406 |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5407 if (type == 'c' && ! retval.is_string ()) |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5408 { |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5409 double dval = retval.double_value (); |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5410 |
21782
2aef506f3fec
use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents:
21777
diff
changeset
|
5411 if (octave::math::x_nint (dval) == dval && dval >= 0 && dval < 256) |
19729
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5412 retval = static_cast<char> (dval); |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5413 } |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5414 } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5415 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5416 if (elt_idx >= n_elts) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5417 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5418 elt_idx = 0; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5419 val_idx++; |
18650
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5420 have_data = false; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5421 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5422 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5423 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5424 } |
2117 | 5425 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5426 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5427 val_idx++; |
18650
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5428 have_data = false; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5429 |
19729
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5430 if (n_elts == 0) |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5431 { |
22812
86b6f79d4de1
better compatibility for printf with empty args (bug #39375)
John W. Eaton <jwe@octave.org>
parents:
22755
diff
changeset
|
5432 if (elt_idx == 0) |
19729
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5433 { |
22812
86b6f79d4de1
better compatibility for printf with empty args (bug #39375)
John W. Eaton <jwe@octave.org>
parents:
22755
diff
changeset
|
5434 if (type == 's' || type == 'c') |
86b6f79d4de1
better compatibility for printf with empty args (bug #39375)
John W. Eaton <jwe@octave.org>
parents:
22755
diff
changeset
|
5435 retval = ""; |
86b6f79d4de1
better compatibility for printf with empty args (bug #39375)
John W. Eaton <jwe@octave.org>
parents:
22755
diff
changeset
|
5436 else |
86b6f79d4de1
better compatibility for printf with empty args (bug #39375)
John W. Eaton <jwe@octave.org>
parents:
22755
diff
changeset
|
5437 retval = Matrix (); |
86b6f79d4de1
better compatibility for printf with empty args (bug #39375)
John W. Eaton <jwe@octave.org>
parents:
22755
diff
changeset
|
5438 |
19729
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5439 break; |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5440 } |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5441 |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5442 if (exhausted ()) |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5443 curr_state = conversion_error; |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5444 } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5445 } |
2117 | 5446 } |
5447 | |
5448 return retval; | |
5449 } | |
5450 | |
5451 int | |
5452 printf_value_cache::int_value (void) | |
5453 { | |
5454 int retval = 0; | |
5455 | |
18650
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5456 octave_value val = get_next_value (); |
2117 | 5457 |
20558
1a0a433c8263
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20465
diff
changeset
|
5458 double dval = val.double_value (true); |
1a0a433c8263
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20465
diff
changeset
|
5459 |
21782
2aef506f3fec
use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents:
21777
diff
changeset
|
5460 if (octave::math::x_nint (dval) == dval) |
2aef506f3fec
use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents:
21777
diff
changeset
|
5461 retval = octave::math::nint (dval); |
20704
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20650
diff
changeset
|
5462 else |
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20650
diff
changeset
|
5463 curr_state = conversion_error; |
2117 | 5464 |
5465 return retval; | |
5466 } | |
5467 | |
5468 // Ugh again and again. | |
5469 | |
21139
538b57866b90
consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents:
21129
diff
changeset
|
5470 template <typename T> |
3620 | 5471 int |
3523 | 5472 do_printf_conv (std::ostream& os, const char *fmt, int nsa, int sa_1, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5473 int sa_2, T arg, const std::string& who) |
2572 | 5474 { |
3620 | 5475 int retval = 0; |
5476 | |
2572 | 5477 switch (nsa) |
5478 { | |
5479 case 2: | |
3640 | 5480 retval = octave_format (os, fmt, sa_1, sa_2, arg); |
2572 | 5481 break; |
5482 | |
5483 case 1: | |
3640 | 5484 retval = octave_format (os, fmt, sa_1, arg); |
2572 | 5485 break; |
5486 | |
5487 case 0: | |
3640 | 5488 retval = octave_format (os, fmt, arg); |
2572 | 5489 break; |
5490 | |
5491 default: | |
4468 | 5492 ::error ("%s: internal error handling format", who.c_str ()); |
2572 | 5493 break; |
5494 } | |
3620 | 5495 |
5496 return retval; | |
2572 | 5497 } |
5498 | |
19729
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5499 static size_t |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5500 do_printf_string (std::ostream& os, const printf_format_elt *elt, |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5501 int nsa, int sa_1, int sa_2, const std::string& arg, |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5502 const std::string& who) |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5503 { |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5504 if (nsa > 2) |
20831
35241c4b696c
eliminate return statements after calls to error
John W. Eaton <jwe@octave.org>
parents:
20768
diff
changeset
|
5505 ::error ("%s: internal error handling format", who.c_str ()); |
19729
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5506 |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5507 std::string flags = elt->flags; |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5508 |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5509 bool left = flags.find ('-') != std::string::npos; |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5510 |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5511 size_t len = arg.length (); |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5512 |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5513 size_t fw = nsa > 0 ? sa_1 : (elt->fw == -1 ? len : elt->fw); |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5514 size_t prec = nsa > 1 ? sa_2 : (elt->prec == -1 ? len : elt->prec); |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5515 |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5516 os << std::setw (fw) |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5517 << (left ? std::left : std::right) |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5518 << (prec < len ? arg.substr (0, prec) : arg); |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5519 |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5520 return len > fw ? len : fw; |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5521 } |
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5522 |
18650
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5523 static bool |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5524 is_nan_or_inf (const octave_value& val) |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5525 { |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5526 octave_value ov_isnan = val.isnan (); |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5527 octave_value ov_isinf = val.isinf (); |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5528 |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5529 return (ov_isnan.is_true () || ov_isinf.is_true ()); |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5530 } |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5531 |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5532 static bool |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5533 ok_for_signed_int_conv (const octave_value& val) |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5534 { |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5535 uint64_t limit = std::numeric_limits<int64_t>::max (); |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5536 |
19729
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5537 if (val.is_string ()) |
20252
7fa170cc14fe
Return correct hex value for printf when used with string inputs (bug #45263).
John W. Eaton <jwe@octave.org>
parents:
19864
diff
changeset
|
5538 return true; |
19729
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5539 else if (val.is_integer_type ()) |
18650
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5540 { |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5541 if (val.is_uint64_type ()) |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5542 { |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5543 octave_uint64 ival = val.uint64_scalar_value (); |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5544 |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5545 if (ival.value () <= limit) |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5546 return true; |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5547 } |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5548 else |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5549 return true; |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5550 } |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5551 else |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5552 { |
19729
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5553 double dval = val.double_value (true); |
18650
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5554 |
21782
2aef506f3fec
use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents:
21777
diff
changeset
|
5555 if (dval == octave::math::round (dval) && dval <= limit) |
18650
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5556 return true; |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5557 } |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5558 |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5559 return false; |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5560 } |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5561 |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5562 static bool |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5563 ok_for_unsigned_int_conv (const octave_value& val) |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5564 { |
19729
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5565 if (val.is_string ()) |
20252
7fa170cc14fe
Return correct hex value for printf when used with string inputs (bug #45263).
John W. Eaton <jwe@octave.org>
parents:
19864
diff
changeset
|
5566 return true; |
19729
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5567 else if (val.is_integer_type ()) |
18653
7d0014bb9e4e
also switch from unsigned integer to real format for negative values
John W. Eaton <jwe@octave.org>
parents:
18650
diff
changeset
|
5568 { |
7d0014bb9e4e
also switch from unsigned integer to real format for negative values
John W. Eaton <jwe@octave.org>
parents:
18650
diff
changeset
|
5569 // Easier than dispatching here... |
7d0014bb9e4e
also switch from unsigned integer to real format for negative values
John W. Eaton <jwe@octave.org>
parents:
18650
diff
changeset
|
5570 |
7d0014bb9e4e
also switch from unsigned integer to real format for negative values
John W. Eaton <jwe@octave.org>
parents:
18650
diff
changeset
|
5571 octave_value ov_is_ge_zero |
7d0014bb9e4e
also switch from unsigned integer to real format for negative values
John W. Eaton <jwe@octave.org>
parents:
18650
diff
changeset
|
5572 = do_binary_op (octave_value::op_ge, val, octave_value (0.0)); |
7d0014bb9e4e
also switch from unsigned integer to real format for negative values
John W. Eaton <jwe@octave.org>
parents:
18650
diff
changeset
|
5573 |
7d0014bb9e4e
also switch from unsigned integer to real format for negative values
John W. Eaton <jwe@octave.org>
parents:
18650
diff
changeset
|
5574 return ov_is_ge_zero.is_true (); |
7d0014bb9e4e
also switch from unsigned integer to real format for negative values
John W. Eaton <jwe@octave.org>
parents:
18650
diff
changeset
|
5575 } |
18650
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5576 else |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5577 { |
19729
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5578 double dval = val.double_value (true); |
18650
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5579 |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5580 uint64_t limit = std::numeric_limits<uint64_t>::max (); |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5581 |
21782
2aef506f3fec
use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents:
21777
diff
changeset
|
5582 if (dval == octave::math::round (dval) && dval >= 0 && dval <= limit) |
18650
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5583 return true; |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5584 } |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5585 |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5586 return false; |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5587 } |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5588 |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5589 static std::string |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5590 switch_to_g_format (const printf_format_elt *elt) |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5591 { |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5592 std::string tfmt = elt->text; |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5593 |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5594 tfmt.replace (tfmt.rfind (elt->type), 1, "g"); |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5595 |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5596 return tfmt; |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5597 } |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5598 |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5599 int |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5600 octave_base_stream::do_numeric_printf_conv (std::ostream& os, |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5601 const printf_format_elt *elt, |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5602 int nsa, int sa_1, int sa_2, |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5603 const octave_value& val, |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5604 const std::string& who) |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5605 { |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5606 int retval = 0; |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5607 |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5608 const char *fmt = elt->text; |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5609 |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5610 if (is_nan_or_inf (val)) |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5611 { |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5612 double dval = val.double_value (); |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5613 |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5614 std::string tfmt = fmt; |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5615 std::string::size_type i1, i2; |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5616 |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5617 tfmt.replace ((i1 = tfmt.rfind (elt->type)), 1, 1, 's'); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5618 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5619 if ((i2 = tfmt.rfind ('.')) != std::string::npos && i2 < i1) |
18650
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5620 { |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5621 tfmt.erase (i2, i1-i2); |
19729
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5622 if (elt->prec == -2) |
18650
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5623 nsa--; |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5624 } |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5625 |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5626 const char *tval; |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5627 if (lo_ieee_isinf (dval)) |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5628 { |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5629 if (elt->flags.find ('+') != std::string::npos) |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5630 tval = (dval < 0 ? "-Inf" : "+Inf"); |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5631 else |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5632 tval = (dval < 0 ? "-Inf" : "Inf"); |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5633 } |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5634 else |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5635 { |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5636 if (elt->flags.find ('+') != std::string::npos) |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5637 tval = (lo_ieee_is_NA (dval) ? "+NA" : "+NaN"); |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5638 else |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5639 tval = (lo_ieee_is_NA (dval) ? "NA" : "NaN"); |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5640 } |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5641 |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5642 retval += do_printf_conv (os, tfmt.c_str (), nsa, sa_1, sa_2, tval, who); |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5643 } |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5644 else |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5645 { |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5646 static std::string llmod |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5647 = sizeof (long) == sizeof (int64_t) ? "l" : "ll"; |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5648 |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5649 char type = elt->type; |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5650 |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5651 switch (type) |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5652 { |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5653 case 'd': case 'i': case 'c': |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5654 if (ok_for_signed_int_conv (val)) |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5655 { |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5656 octave_int64 tval = val.int64_scalar_value (); |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5657 |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5658 // Insert "long" modifier. |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5659 std::string tfmt = fmt; |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5660 tfmt.replace (tfmt.rfind (type), 1, llmod + type); |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5661 |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5662 retval += do_printf_conv (os, tfmt.c_str (), nsa, sa_1, sa_2, |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5663 tval.value (), who); |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5664 } |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5665 else |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5666 { |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5667 std::string tfmt = switch_to_g_format (elt); |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5668 |
19729
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5669 double dval = val.double_value (true); |
18650
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5670 |
20558
1a0a433c8263
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20465
diff
changeset
|
5671 retval += do_printf_conv (os, tfmt.c_str (), nsa, |
1a0a433c8263
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20465
diff
changeset
|
5672 sa_1, sa_2, dval, who); |
18650
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5673 } |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5674 break; |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5675 |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5676 case 'o': case 'x': case 'X': case 'u': |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5677 if (ok_for_unsigned_int_conv (val)) |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5678 { |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5679 octave_uint64 tval = val.uint64_scalar_value (); |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5680 |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5681 // Insert "long" modifier. |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5682 std::string tfmt = fmt; |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5683 tfmt.replace (tfmt.rfind (type), 1, llmod + type); |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5684 |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5685 retval += do_printf_conv (os, tfmt.c_str (), nsa, sa_1, sa_2, |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5686 tval.value (), who); |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5687 } |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5688 else |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5689 { |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5690 std::string tfmt = switch_to_g_format (elt); |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5691 |
19729
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5692 double dval = val.double_value (true); |
18650
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5693 |
20558
1a0a433c8263
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20465
diff
changeset
|
5694 retval += do_printf_conv (os, tfmt.c_str (), nsa, |
1a0a433c8263
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20465
diff
changeset
|
5695 sa_1, sa_2, dval, who); |
18650
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5696 } |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5697 break; |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5698 |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5699 case 'f': case 'e': case 'E': |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5700 case 'g': case 'G': |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5701 { |
19729
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5702 double dval = val.double_value (true); |
18650
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5703 |
20558
1a0a433c8263
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20465
diff
changeset
|
5704 retval += do_printf_conv (os, fmt, nsa, sa_1, sa_2, dval, who); |
18650
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5705 } |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5706 break; |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5707 |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5708 default: |
20938
aac911d8847b
choose correct error function in stream classes
John W. Eaton <jwe@octave.org>
parents:
20931
diff
changeset
|
5709 // Note: error is member fcn from octave_base_stream, not ::error. |
aac911d8847b
choose correct error function in stream classes
John W. Eaton <jwe@octave.org>
parents:
20931
diff
changeset
|
5710 // This error does not halt execution so "return ..." must exist. |
20831
35241c4b696c
eliminate return statements after calls to error
John W. Eaton <jwe@octave.org>
parents:
20768
diff
changeset
|
5711 error ("%s: invalid format specifier", who.c_str ()); |
18650
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5712 return -1; |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5713 break; |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5714 } |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5715 } |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5716 |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5717 return retval; |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5718 } |
6492 | 5719 |
2117 | 5720 int |
5721 octave_base_stream::do_printf (printf_format_list& fmt_list, | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5722 const octave_value_list& args, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5723 const std::string& who) |
2117 | 5724 { |
3620 | 5725 int retval = 0; |
2117 | 5726 |
10187
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
5727 octave_idx_type nconv = fmt_list.num_conversions (); |
3640 | 5728 |
3523 | 5729 std::ostream *osp = output_stream (); |
2117 | 5730 |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5731 if (! osp) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5732 invalid_operation (who, "writing"); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5733 else |
2117 | 5734 { |
3523 | 5735 std::ostream& os = *osp; |
2117 | 5736 |
5737 const printf_format_elt *elt = fmt_list.first (); | |
5738 | |
7352 | 5739 printf_value_cache val_cache (args, who); |
5740 | |
2117 | 5741 for (;;) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5742 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5743 octave_quit (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5744 |
20982
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5745 if (! elt) |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5746 ::error ("%s: internal error handling format", who.c_str ()); |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5747 |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5748 // NSA is the number of 'star' args to convert. |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5749 int nsa = (elt->fw == -2) + (elt->prec == -2); |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5750 |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5751 int sa_1 = 0; |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5752 int sa_2 = 0; |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5753 |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5754 if (nsa > 0) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5755 { |
20982
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5756 sa_1 = val_cache.int_value (); |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5757 |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5758 if (! val_cache) |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5759 break; |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5760 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5761 { |
20982
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5762 if (nsa > 1) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5763 { |
20982
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5764 sa_2 = val_cache.int_value (); |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5765 |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5766 if (! val_cache) |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5767 break; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5768 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5769 } |
20982
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5770 } |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5771 |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5772 if (elt->type == '%') |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5773 { |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5774 os << "%"; |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5775 retval++; |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5776 } |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5777 else if (elt->args == 0 && elt->text) |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5778 { |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5779 os << elt->text; |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5780 retval += strlen (elt->text); |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5781 } |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5782 else if (elt->type == 's' || elt->type == 'c') |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5783 { |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5784 octave_value val = val_cache.get_next_value (elt->type); |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5785 |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5786 if (val_cache) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5787 { |
20982
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5788 if (val.is_string ()) |
19729
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5789 { |
20982
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5790 std::string sval = val.string_value (); |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5791 |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5792 retval += do_printf_string (os, elt, nsa, sa_1, |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5793 sa_2, sval, who); |
19729
17a7e9f26e50
improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents:
19697
diff
changeset
|
5794 } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5795 else |
18650
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5796 retval += do_numeric_printf_conv (os, elt, nsa, sa_1, |
491b0adfec95
compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents:
18620
diff
changeset
|
5797 sa_2, val, who); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5798 } |
20982
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5799 else |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5800 break; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5801 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5802 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5803 { |
20982
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5804 octave_value val = val_cache.get_next_value (); |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5805 |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5806 if (val_cache) |
22812
86b6f79d4de1
better compatibility for printf with empty args (bug #39375)
John W. Eaton <jwe@octave.org>
parents:
22755
diff
changeset
|
5807 { |
86b6f79d4de1
better compatibility for printf with empty args (bug #39375)
John W. Eaton <jwe@octave.org>
parents:
22755
diff
changeset
|
5808 if (! val.is_empty ()) |
86b6f79d4de1
better compatibility for printf with empty args (bug #39375)
John W. Eaton <jwe@octave.org>
parents:
22755
diff
changeset
|
5809 retval += do_numeric_printf_conv (os, elt, nsa, sa_1, |
86b6f79d4de1
better compatibility for printf with empty args (bug #39375)
John W. Eaton <jwe@octave.org>
parents:
22755
diff
changeset
|
5810 sa_2, val, who); |
86b6f79d4de1
better compatibility for printf with empty args (bug #39375)
John W. Eaton <jwe@octave.org>
parents:
22755
diff
changeset
|
5811 } |
20982
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5812 else |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5813 break; |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5814 } |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5815 |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5816 if (! os) |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5817 { |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
5818 error ("%s: write error", who.c_str ()); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5819 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5820 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5821 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5822 elt = fmt_list.next (nconv > 0 && ! val_cache.exhausted ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5823 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5824 if (! elt || (val_cache.exhausted () && elt->args > 0)) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5825 break; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
5826 } |
2117 | 5827 } |
5828 | |
5829 return retval; | |
5830 } | |
5831 | |
5832 int | |
3640 | 5833 octave_base_stream::printf (const std::string& fmt, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5834 const octave_value_list& args, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5835 const std::string& who) |
2117 | 5836 { |
3640 | 5837 printf_format_list fmt_list (fmt); |
5838 | |
5839 if (fmt_list.num_conversions () == -1) | |
4468 | 5840 ::error ("%s: invalid format specified", who.c_str ()); |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5841 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5842 return do_printf (fmt_list, args, who); |
2117 | 5843 } |
5844 | |
5845 int | |
4468 | 5846 octave_base_stream::puts (const std::string& s, const std::string& who) |
2117 | 5847 { |
5848 int retval = -1; | |
5849 | |
3523 | 5850 std::ostream *osp = output_stream (); |
2117 | 5851 |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5852 if (! osp) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5853 invalid_operation (who, "writing"); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5854 else |
2117 | 5855 { |
3523 | 5856 std::ostream& os = *osp; |
2117 | 5857 |
5858 os << s; | |
5859 | |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5860 if (! os) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5861 error ("%s: write error", who.c_str ()); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5862 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5863 { |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
5864 // FIXME: why does this seem to be necessary? |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5865 // Without it, output from a loop like |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5866 // |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5867 // for i = 1:100, fputs (stdout, "foo\n"); endfor |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5868 // |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5869 // doesn't seem to go to the pager immediately. |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5870 os.flush (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5871 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5872 if (os) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5873 retval = 0; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5874 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5875 error ("%s: write error", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5876 } |
2117 | 5877 } |
5878 | |
5879 return retval; | |
5880 } | |
5881 | |
5882 // Return current error message for this stream. | |
5883 | |
3536 | 5884 std::string |
2435 | 5885 octave_base_stream::error (bool clear_err, int& err_num) |
2117 | 5886 { |
2435 | 5887 err_num = fail ? -1 : 0; |
2117 | 5888 |
3523 | 5889 std::string tmp = errmsg; |
2117 | 5890 |
5891 if (clear_err) | |
5892 clear (); | |
5893 | |
5894 return tmp; | |
5895 } | |
5896 | |
5897 void | |
4468 | 5898 octave_base_stream::invalid_operation (const std::string& who, const char *rw) |
2117 | 5899 { |
20938
aac911d8847b
choose correct error function in stream classes
John W. Eaton <jwe@octave.org>
parents:
20931
diff
changeset
|
5900 // Note: This calls the member fcn error, not ::error from error.h. |
6297 | 5901 error (who, std::string ("stream not open for ") + rw); |
2117 | 5902 } |
5903 | |
3552 | 5904 octave_stream::octave_stream (octave_base_stream *bs) |
3340 | 5905 : rep (bs) |
5906 { | |
5907 if (rep) | |
5908 rep->count = 1; | |
5909 } | |
5910 | |
5911 octave_stream::~octave_stream (void) | |
5912 { | |
5913 if (rep && --rep->count == 0) | |
5914 delete rep; | |
5915 } | |
5916 | |
5917 octave_stream::octave_stream (const octave_stream& s) | |
5918 : rep (s.rep) | |
5919 { | |
5920 if (rep) | |
5921 rep->count++; | |
5922 } | |
5923 | |
5924 octave_stream& | |
5925 octave_stream::operator = (const octave_stream& s) | |
5926 { | |
5927 if (rep != s.rep) | |
5928 { | |
5929 if (rep && --rep->count == 0) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5930 delete rep; |
3340 | 5931 |
5932 rep = s.rep; | |
5933 | |
5934 if (rep) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5935 rep->count++; |
3340 | 5936 } |
5937 | |
5938 return *this; | |
5939 } | |
5940 | |
2117 | 5941 int |
5942 octave_stream::flush (void) | |
5943 { | |
5944 int retval = -1; | |
5945 | |
5659 | 5946 if (stream_ok ()) |
2117 | 5947 retval = rep->flush (); |
5948 | |
5949 return retval; | |
5950 } | |
5951 | |
3536 | 5952 std::string |
5275 | 5953 octave_stream::getl (octave_idx_type max_len, bool& err, const std::string& who) |
2117 | 5954 { |
3523 | 5955 std::string retval; |
2117 | 5956 |
5659 | 5957 if (stream_ok ()) |
4468 | 5958 retval = rep->getl (max_len, err, who); |
2117 | 5959 |
5960 return retval; | |
5961 } | |
5962 | |
3536 | 5963 std::string |
4468 | 5964 octave_stream::getl (const octave_value& tc_max_len, bool& err, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5965 const std::string& who) |
2117 | 5966 { |
5967 err = false; | |
5968 | |
5969 int conv_err = 0; | |
5970 | |
6345 | 5971 int max_len = -1; |
5972 | |
5973 if (tc_max_len.is_defined ()) | |
2117 | 5974 { |
6345 | 5975 max_len = convert_to_valid_int (tc_max_len, conv_err); |
5976 | |
5977 if (conv_err || max_len < 0) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5978 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5979 err = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5980 ::error ("%s: invalid maximum length specified", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
5981 } |
2117 | 5982 } |
6345 | 5983 |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
5984 return getl (max_len, err, who); |
2117 | 5985 } |
5986 | |
3536 | 5987 std::string |
5275 | 5988 octave_stream::gets (octave_idx_type max_len, bool& err, const std::string& who) |
2117 | 5989 { |
3523 | 5990 std::string retval; |
2117 | 5991 |
5659 | 5992 if (stream_ok ()) |
4468 | 5993 retval = rep->gets (max_len, err, who); |
2117 | 5994 |
5995 return retval; | |
5996 } | |
5997 | |
3536 | 5998 std::string |
4468 | 5999 octave_stream::gets (const octave_value& tc_max_len, bool& err, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
6000 const std::string& who) |
2117 | 6001 { |
6002 err = false; | |
6003 | |
6004 int conv_err = 0; | |
6005 | |
6345 | 6006 int max_len = -1; |
6007 | |
6008 if (tc_max_len.is_defined ()) | |
2117 | 6009 { |
6345 | 6010 max_len = convert_to_valid_int (tc_max_len, conv_err); |
6011 | |
6012 if (conv_err || max_len < 0) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
6013 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
6014 err = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
6015 ::error ("%s: invalid maximum length specified", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
6016 } |
2117 | 6017 } |
6345 | 6018 |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6019 return gets (max_len, err, who); |
2117 | 6020 } |
6021 | |
16011
8122286c69a9
initial large file support for 32-bit systems
John W. Eaton <jwe@octave.org>
parents:
15467
diff
changeset
|
6022 off_t |
8122286c69a9
initial large file support for 32-bit systems
John W. Eaton <jwe@octave.org>
parents:
15467
diff
changeset
|
6023 octave_stream::skipl (off_t count, bool& err, const std::string& who) |
9701 | 6024 { |
16011
8122286c69a9
initial large file support for 32-bit systems
John W. Eaton <jwe@octave.org>
parents:
15467
diff
changeset
|
6025 off_t retval = -1; |
9701 | 6026 |
6027 if (stream_ok ()) | |
6028 retval = rep->skipl (count, err, who); | |
6029 | |
6030 return retval; | |
6031 } | |
6032 | |
16011
8122286c69a9
initial large file support for 32-bit systems
John W. Eaton <jwe@octave.org>
parents:
15467
diff
changeset
|
6033 off_t |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6034 octave_stream::skipl (const octave_value& tc_count, bool& err, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6035 const std::string& who) |
9701 | 6036 { |
6037 err = false; | |
6038 | |
6039 int conv_err = 0; | |
6040 | |
6041 int count = 1; | |
6042 | |
6043 if (tc_count.is_defined ()) | |
6044 { | |
22407
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
6045 if (tc_count.is_scalar_type () |
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
6046 && octave::math::isinf (tc_count.scalar_value ())) |
9701 | 6047 count = -1; |
6048 else | |
6049 { | |
6050 count = convert_to_valid_int (tc_count, conv_err); | |
6051 | |
6052 if (conv_err || count < 0) | |
6053 { | |
6054 err = true; | |
6055 ::error ("%s: invalid number of lines specified", who.c_str ()); | |
6056 } | |
6057 } | |
6058 } | |
6059 | |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6060 return skipl (count, err, who); |
9701 | 6061 } |
6062 | |
2117 | 6063 int |
16011
8122286c69a9
initial large file support for 32-bit systems
John W. Eaton <jwe@octave.org>
parents:
15467
diff
changeset
|
6064 octave_stream::seek (off_t offset, int origin) |
2117 | 6065 { |
5065 | 6066 int status = -1; |
2117 | 6067 |
5659 | 6068 if (stream_ok ()) |
4889 | 6069 { |
6070 clearerr (); | |
6071 | |
12957
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
John W. Eaton <jwe@octave.org>
parents:
11586
diff
changeset
|
6072 // Find current position so we can return to it if needed. |
16011
8122286c69a9
initial large file support for 32-bit systems
John W. Eaton <jwe@octave.org>
parents:
15467
diff
changeset
|
6073 off_t orig_pos = rep->tell (); |
5065 | 6074 |
12957
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
John W. Eaton <jwe@octave.org>
parents:
11586
diff
changeset
|
6075 // Move to end of file. If successful, find the offset of the end. |
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
John W. Eaton <jwe@octave.org>
parents:
11586
diff
changeset
|
6076 status = rep->seek (0, SEEK_END); |
5065 | 6077 |
6078 if (status == 0) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
6079 { |
16011
8122286c69a9
initial large file support for 32-bit systems
John W. Eaton <jwe@octave.org>
parents:
15467
diff
changeset
|
6080 off_t eof_pos = rep->tell (); |
12957
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
John W. Eaton <jwe@octave.org>
parents:
11586
diff
changeset
|
6081 |
12943
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
6082 if (origin == SEEK_CUR) |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
6083 { |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6084 // Move back to original position, otherwise we will be seeking |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6085 // from the end of file which is probably not the original |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6086 // location. |
12943
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
6087 rep->seek (orig_pos, SEEK_SET); |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
6088 } |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
parents:
12936
diff
changeset
|
6089 |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6090 // Attempt to move to desired position; may be outside bounds of |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6091 // existing file. |
12957
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
John W. Eaton <jwe@octave.org>
parents:
11586
diff
changeset
|
6092 status = rep->seek (offset, origin); |
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
John W. Eaton <jwe@octave.org>
parents:
11586
diff
changeset
|
6093 |
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
John W. Eaton <jwe@octave.org>
parents:
11586
diff
changeset
|
6094 if (status == 0) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
6095 { |
12957
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
John W. Eaton <jwe@octave.org>
parents:
11586
diff
changeset
|
6096 // Where are we after moving to desired position? |
16011
8122286c69a9
initial large file support for 32-bit systems
John W. Eaton <jwe@octave.org>
parents:
15467
diff
changeset
|
6097 off_t desired_pos = rep->tell (); |
12957
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
John W. Eaton <jwe@octave.org>
parents:
11586
diff
changeset
|
6098 |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6099 // I don't think save_pos can be less than zero, |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6100 // but we'll check anyway... |
12957
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
John W. Eaton <jwe@octave.org>
parents:
11586
diff
changeset
|
6101 if (desired_pos > eof_pos || desired_pos < 0) |
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
John W. Eaton <jwe@octave.org>
parents:
11586
diff
changeset
|
6102 { |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6103 // Seek outside bounds of file. |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6104 // Failure should leave position unchanged. |
12957
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
John W. Eaton <jwe@octave.org>
parents:
11586
diff
changeset
|
6105 rep->seek (orig_pos, SEEK_SET); |
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
John W. Eaton <jwe@octave.org>
parents:
11586
diff
changeset
|
6106 |
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
John W. Eaton <jwe@octave.org>
parents:
11586
diff
changeset
|
6107 status = -1; |
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
John W. Eaton <jwe@octave.org>
parents:
11586
diff
changeset
|
6108 } |
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
John W. Eaton <jwe@octave.org>
parents:
11586
diff
changeset
|
6109 } |
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
John W. Eaton <jwe@octave.org>
parents:
11586
diff
changeset
|
6110 else |
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
John W. Eaton <jwe@octave.org>
parents:
11586
diff
changeset
|
6111 { |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6112 // Seeking to the desired position failed. |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6113 // Move back to original position and return failure status. |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
6114 rep->seek (orig_pos, SEEK_SET); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
6115 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
6116 status = -1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
6117 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
6118 } |
4889 | 6119 } |
2117 | 6120 |
5065 | 6121 return status; |
2117 | 6122 } |
6123 | |
6124 int | |
6125 octave_stream::seek (const octave_value& tc_offset, | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
6126 const octave_value& tc_origin) |
2117 | 6127 { |
6128 int retval = -1; | |
6129 | |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6130 // FIXME: should we have octave_value methods that handle off_t explicitly? |
20704
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20650
diff
changeset
|
6131 octave_int64 val = tc_offset.xint64_scalar_value ("fseek: invalid value for offset"); |
16011
8122286c69a9
initial large file support for 32-bit systems
John W. Eaton <jwe@octave.org>
parents:
15467
diff
changeset
|
6132 off_t xoffset = val.value (); |
4645 | 6133 |
20704
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20650
diff
changeset
|
6134 int conv_err = 0; |
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20650
diff
changeset
|
6135 |
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20650
diff
changeset
|
6136 int origin = SEEK_SET; |
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20650
diff
changeset
|
6137 |
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20650
diff
changeset
|
6138 if (tc_origin.is_string ()) |
2117 | 6139 { |
20704
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20650
diff
changeset
|
6140 std::string xorigin = tc_origin.string_value ("fseek: invalid value for origin"); |
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20650
diff
changeset
|
6141 |
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20650
diff
changeset
|
6142 if (xorigin == "bof") |
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20650
diff
changeset
|
6143 origin = SEEK_SET; |
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20650
diff
changeset
|
6144 else if (xorigin == "cof") |
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20650
diff
changeset
|
6145 origin = SEEK_CUR; |
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20650
diff
changeset
|
6146 else if (xorigin == "eof") |
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20650
diff
changeset
|
6147 origin = SEEK_END; |
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20650
diff
changeset
|
6148 else |
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20650
diff
changeset
|
6149 conv_err = -1; |
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20650
diff
changeset
|
6150 } |
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20650
diff
changeset
|
6151 else |
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20650
diff
changeset
|
6152 { |
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20650
diff
changeset
|
6153 int xorigin = convert_to_valid_int (tc_origin, conv_err); |
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20650
diff
changeset
|
6154 |
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20650
diff
changeset
|
6155 if (! conv_err) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
6156 { |
20704
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20650
diff
changeset
|
6157 if (xorigin == -1) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
6158 origin = SEEK_SET; |
20704
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20650
diff
changeset
|
6159 else if (xorigin == 0) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
6160 origin = SEEK_CUR; |
20704
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20650
diff
changeset
|
6161 else if (xorigin == 1) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
6162 origin = SEEK_END; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
6163 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
6164 conv_err = -1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
6165 } |
2117 | 6166 } |
20704
571508c1ed06
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20650
diff
changeset
|
6167 |
20982
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
6168 if (conv_err) |
20938
aac911d8847b
choose correct error function in stream classes
John W. Eaton <jwe@octave.org>
parents:
20931
diff
changeset
|
6169 ::error ("fseek: invalid value for origin"); |
2117 | 6170 |
20982
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
6171 retval = seek (xoffset, origin); |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
6172 |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
6173 if (retval != 0) |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
6174 // Note: error is member fcn from octave_stream, not ::error. |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
6175 error ("fseek: failed to seek to requested position"); |
2117 | 6176 |
6177 return retval; | |
6178 } | |
6179 | |
16011
8122286c69a9
initial large file support for 32-bit systems
John W. Eaton <jwe@octave.org>
parents:
15467
diff
changeset
|
6180 off_t |
4797 | 6181 octave_stream::tell (void) |
2117 | 6182 { |
16011
8122286c69a9
initial large file support for 32-bit systems
John W. Eaton <jwe@octave.org>
parents:
15467
diff
changeset
|
6183 off_t retval = -1; |
2117 | 6184 |
5659 | 6185 if (stream_ok ()) |
2117 | 6186 retval = rep->tell (); |
6187 | |
6188 return retval; | |
6189 } | |
6190 | |
6191 int | |
6192 octave_stream::rewind (void) | |
6193 { | |
6296 | 6194 return seek (0, SEEK_SET); |
2117 | 6195 } |
6196 | |
3340 | 6197 bool |
6198 octave_stream::is_open (void) const | |
6199 { | |
6200 bool retval = false; | |
6201 | |
5659 | 6202 if (stream_ok ()) |
3340 | 6203 retval = rep->is_open (); |
6204 | |
6205 return retval; | |
6206 } | |
6207 | |
6208 void | |
6209 octave_stream::close (void) | |
6210 { | |
5659 | 6211 if (stream_ok ()) |
3340 | 6212 rep->close (); |
6213 } | |
6214 | |
21335
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6215 // FIXME: maybe these should be defined in lo-ieee.h? |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6216 |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6217 template <typename T> |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6218 static inline bool |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6219 is_old_NA (T) |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6220 { |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6221 return false; |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6222 } |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6223 |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6224 template <> |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6225 inline bool |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6226 is_old_NA<double> (double val) |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6227 { |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6228 return __lo_ieee_is_old_NA (val); |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6229 } |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6230 |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6231 template <typename T> |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6232 static inline T |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6233 replace_old_NA (T val) |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6234 { |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6235 return val; |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6236 } |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6237 |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6238 template <> |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6239 inline double |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6240 replace_old_NA<double> (double val) |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6241 { |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6242 return __lo_ieee_replace_old_NA (val); |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6243 } |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6244 |
21139
538b57866b90
consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents:
21129
diff
changeset
|
6245 template <typename SRC_T, typename DST_T> |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6246 static octave_value |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6247 convert_and_copy (std::list<void *>& input_buf_list, |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6248 octave_idx_type input_buf_elts, |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6249 octave_idx_type elts_read, |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6250 octave_idx_type nr, octave_idx_type nc, bool swap, |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6251 bool do_float_fmt_conv, bool do_NA_conv, |
21739
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
6252 octave::mach_info::float_format from_flt_fmt) |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6253 { |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6254 typedef typename DST_T::element_type dst_elt_type; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6255 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6256 DST_T conv (dim_vector (nr, nc)); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6257 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6258 dst_elt_type *conv_data = conv.fortran_vec (); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6259 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6260 octave_idx_type j = 0; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6261 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6262 for (std::list<void *>::const_iterator it = input_buf_list.begin (); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6263 it != input_buf_list.end (); it++) |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6264 { |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6265 SRC_T *data = static_cast<SRC_T *> (*it); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6266 |
17463 | 6267 if (swap || do_float_fmt_conv) |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6268 { |
21335
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6269 if (do_NA_conv) |
17463 | 6270 { |
21335
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6271 for (octave_idx_type i = 0; i < input_buf_elts && j < elts_read; |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6272 i++, j++) |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6273 { |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6274 if (swap) |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6275 swap_bytes<sizeof (SRC_T)> (&data[i]); |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6276 else if (do_float_fmt_conv) |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6277 do_float_format_conversion (&data[i], sizeof (SRC_T), |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6278 1, from_flt_fmt, |
21739
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
6279 octave::mach_info::native_float_format ()); |
21335
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6280 |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6281 dst_elt_type tmp (data[i]); |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6282 |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6283 if (is_old_NA (tmp)) |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6284 tmp = replace_old_NA (tmp); |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6285 |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6286 conv_data[j] = tmp; |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6287 } |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6288 } |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6289 else |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6290 { |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6291 for (octave_idx_type i = 0; i < input_buf_elts && j < elts_read; |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6292 i++, j++) |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6293 { |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6294 if (swap) |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6295 swap_bytes<sizeof (SRC_T)> (&data[i]); |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6296 else if (do_float_fmt_conv) |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6297 do_float_format_conversion (&data[i], sizeof (SRC_T), |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6298 1, from_flt_fmt, |
21739
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
6299 octave::mach_info::native_float_format ()); |
21335
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6300 |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6301 conv_data[j] = data[i]; |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6302 } |
17463 | 6303 } |
6304 } | |
6305 else | |
6306 { | |
6307 if (do_NA_conv) | |
6308 { | |
6309 for (octave_idx_type i = 0; i < input_buf_elts && j < elts_read; | |
6310 i++, j++) | |
6311 { | |
6312 dst_elt_type tmp (data[i]); | |
6313 | |
21335
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6314 if (is_old_NA (tmp)) |
e078d2208d86
avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
6315 tmp = replace_old_NA (tmp); |
17463 | 6316 |
6317 conv_data[j] = tmp; | |
6318 } | |
6319 } | |
6320 else | |
6321 { | |
6322 for (octave_idx_type i = 0; i < input_buf_elts && j < elts_read; | |
6323 i++, j++) | |
6324 conv_data[j] = data[i]; | |
6325 } | |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6326 } |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6327 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6328 delete [] data; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6329 } |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6330 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6331 input_buf_list.clear (); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6332 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6333 for (octave_idx_type i = elts_read; i < nr * nc; i++) |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6334 conv_data[i] = dst_elt_type (0); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6335 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6336 return conv; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6337 } |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6338 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6339 typedef octave_value (*conv_fptr) |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6340 (std::list<void *>& input_buf_list, octave_idx_type input_buf_elts, |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6341 octave_idx_type elts_read, octave_idx_type nr, octave_idx_type nc, |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6342 bool swap, bool do_float_fmt_conv, bool do_NA_conv, |
21739
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
6343 octave::mach_info::float_format from_flt_fmt); |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6344 |
22197
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
6345 #define TABLE_ELT(T, U, V, W) \ |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6346 conv_fptr_table[oct_data_conv::T][oct_data_conv::U] = convert_and_copy<V, W> |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6347 |
22197
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
6348 #define FILL_TABLE_ROW(T, V) \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
6349 TABLE_ELT (T, dt_int8, V, int8NDArray); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
6350 TABLE_ELT (T, dt_uint8, V, uint8NDArray); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
6351 TABLE_ELT (T, dt_int16, V, int16NDArray); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
6352 TABLE_ELT (T, dt_uint16, V, uint16NDArray); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
6353 TABLE_ELT (T, dt_int32, V, int32NDArray); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
6354 TABLE_ELT (T, dt_uint32, V, uint32NDArray); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
6355 TABLE_ELT (T, dt_int64, V, int64NDArray); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
6356 TABLE_ELT (T, dt_uint64, V, uint64NDArray); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
6357 TABLE_ELT (T, dt_single, V, FloatNDArray); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
6358 TABLE_ELT (T, dt_double, V, NDArray); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
6359 TABLE_ELT (T, dt_char, V, charNDArray); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
6360 TABLE_ELT (T, dt_schar, V, charNDArray); \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
6361 TABLE_ELT (T, dt_uchar, V, charNDArray); \ |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6362 TABLE_ELT (T, dt_logical, V, boolNDArray); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6363 |
2117 | 6364 octave_value |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6365 octave_stream::finalize_read (std::list<void *>& input_buf_list, |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6366 octave_idx_type input_buf_elts, |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6367 octave_idx_type elts_read, |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6368 octave_idx_type nr, octave_idx_type nc, |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6369 oct_data_conv::data_type input_type, |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6370 oct_data_conv::data_type output_type, |
21739
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
6371 octave::mach_info::float_format ffmt) |
2117 | 6372 { |
6373 octave_value retval; | |
6374 | |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6375 static bool initialized = false; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6376 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6377 // Table function pointers for return types x read types. |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6378 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6379 static conv_fptr conv_fptr_table[oct_data_conv::dt_unknown][14]; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6380 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6381 if (! initialized) |
4944 | 6382 { |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6383 for (int i = 0; i < oct_data_conv::dt_unknown; i++) |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6384 for (int j = 0; j < 14; j++) |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6385 conv_fptr_table[i][j] = 0; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6386 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6387 FILL_TABLE_ROW (dt_int8, int8_t); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6388 FILL_TABLE_ROW (dt_uint8, uint8_t); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6389 FILL_TABLE_ROW (dt_int16, int16_t); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6390 FILL_TABLE_ROW (dt_uint16, uint16_t); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6391 FILL_TABLE_ROW (dt_int32, int32_t); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6392 FILL_TABLE_ROW (dt_uint32, uint32_t); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6393 FILL_TABLE_ROW (dt_int64, int64_t); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6394 FILL_TABLE_ROW (dt_uint64, uint64_t); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6395 FILL_TABLE_ROW (dt_single, float); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6396 FILL_TABLE_ROW (dt_double, double); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6397 FILL_TABLE_ROW (dt_char, char); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6398 FILL_TABLE_ROW (dt_schar, signed char); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6399 FILL_TABLE_ROW (dt_uchar, unsigned char); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6400 FILL_TABLE_ROW (dt_logical, bool); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6401 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6402 initialized = true; |
4944 | 6403 } |
6404 | |
6405 bool swap = false; | |
6406 | |
21739
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
6407 if (ffmt == octave::mach_info::flt_fmt_unknown) |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6408 ffmt = float_format (); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6409 |
21739
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
6410 if (octave::mach_info::words_big_endian ()) |
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
6411 swap = (ffmt == octave::mach_info::flt_fmt_ieee_little_endian); |
4944 | 6412 else |
21739
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
6413 swap = (ffmt == octave::mach_info::flt_fmt_ieee_big_endian); |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6414 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6415 bool do_float_fmt_conv = ((input_type == oct_data_conv::dt_double |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6416 || input_type == oct_data_conv::dt_single) |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6417 && ffmt != float_format ()); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6418 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6419 bool do_NA_conv = (output_type == oct_data_conv::dt_double); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6420 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6421 switch (output_type) |
4944 | 6422 { |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6423 case oct_data_conv::dt_int8: |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6424 case oct_data_conv::dt_uint8: |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6425 case oct_data_conv::dt_int16: |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6426 case oct_data_conv::dt_uint16: |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6427 case oct_data_conv::dt_int32: |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6428 case oct_data_conv::dt_uint32: |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6429 case oct_data_conv::dt_int64: |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6430 case oct_data_conv::dt_uint64: |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6431 case oct_data_conv::dt_single: |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6432 case oct_data_conv::dt_double: |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6433 case oct_data_conv::dt_char: |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6434 case oct_data_conv::dt_schar: |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6435 case oct_data_conv::dt_uchar: |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6436 case oct_data_conv::dt_logical: |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6437 { |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6438 conv_fptr fptr = conv_fptr_table[input_type][output_type]; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6439 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6440 retval = fptr (input_buf_list, input_buf_elts, elts_read, |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6441 nr, nc, swap, do_float_fmt_conv, do_NA_conv, ffmt); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6442 } |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6443 break; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6444 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6445 default: |
20938
aac911d8847b
choose correct error function in stream classes
John W. Eaton <jwe@octave.org>
parents:
20931
diff
changeset
|
6446 ::error ("read: invalid type specification"); |
4944 | 6447 } |
6448 | |
6449 return retval; | |
6450 } | |
6451 | |
6452 octave_value | |
5275 | 6453 octave_stream::read (const Array<double>& size, octave_idx_type block_size, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
6454 oct_data_conv::data_type input_type, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
6455 oct_data_conv::data_type output_type, |
21739
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
6456 octave_idx_type skip, octave::mach_info::float_format ffmt, |
18210
a0abcf377ec5
return elements read, not bytes in fread second output (bug #41091)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
6457 octave_idx_type& count) |
4944 | 6458 { |
6459 octave_value retval; | |
6460 | |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6461 octave_idx_type nr = -1; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6462 octave_idx_type nc = -1; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6463 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6464 bool one_elt_size_spec = false; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6465 |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6466 if (! stream_ok ()) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6467 return retval; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6468 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6469 // FIXME: we may eventually want to make this extensible. |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6470 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6471 // FIXME: we need a better way to ensure that this |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6472 // numbering stays consistent with the order of the elements in the |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6473 // data_type enum in the oct_data_conv class. |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6474 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6475 // Expose this in a future version? |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6476 octave_idx_type char_count = 0; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6477 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6478 count = 0; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6479 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6480 try |
4944 | 6481 { |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6482 get_size (size, nr, nc, one_elt_size_spec, "fread"); |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6483 } |
22327
d0562b3159c7
move more classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22326
diff
changeset
|
6484 catch (const octave::execution_exception&) |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6485 { |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6486 invalid_operation ("fread", "reading"); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6487 } |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6488 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6489 octave_idx_type elts_to_read; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6490 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6491 if (one_elt_size_spec) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6492 { |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6493 // If NR == 0, Matlab returns [](0x0). |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6494 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6495 // If NR > 0, the result will be a column vector with the given |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6496 // number of rows. |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6497 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6498 // If NR < 0, then we have Inf and the result will be a column |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6499 // vector but we have to wait to see how big NR will be. |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6500 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6501 if (nr == 0) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6502 nr = nc = 0; |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20714
diff
changeset
|
6503 else |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6504 nc = 1; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6505 } |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6506 else |
4944 | 6507 { |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6508 // Matlab returns [] even if there are two elements in the size |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6509 // specification and one is nonzero. |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6510 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6511 // If NC < 0 we have [NR, Inf] and we'll wait to decide how big NC |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6512 // should be. |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6513 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6514 if (nr == 0 || nc == 0) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6515 nr = nc = 0; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6516 } |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6517 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6518 // FIXME: Ensure that this does not overflow. |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6519 // Maybe try comparing nr * nc computed in double with |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6520 // std::numeric_limits<octave_idx_type>::max (); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6521 elts_to_read = nr * nc; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6522 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6523 bool read_to_eof = elts_to_read < 0; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6524 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6525 octave_idx_type input_buf_elts = -1; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6526 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6527 if (skip == 0) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6528 { |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6529 if (read_to_eof) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6530 input_buf_elts = 1024 * 1024; |
4944 | 6531 else |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6532 input_buf_elts = elts_to_read; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6533 } |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6534 else |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6535 input_buf_elts = block_size; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6536 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6537 octave_idx_type input_elt_size |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6538 = oct_data_conv::data_type_size (input_type); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6539 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6540 octave_idx_type input_buf_size = input_buf_elts * input_elt_size; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6541 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6542 assert (input_buf_size >= 0); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6543 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6544 // Must also work and return correct type object |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6545 // for 0 elements to read. |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6546 std::istream *isp = input_stream (); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6547 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6548 if (! isp) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6549 error ("fread: invalid input stream"); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6550 else |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6551 { |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6552 std::istream& is = *isp; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6553 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6554 std::list <void *> input_buf_list; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6555 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6556 while (is && ! is.eof () |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6557 && (read_to_eof || count < elts_to_read)) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
6558 { |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6559 if (! read_to_eof) |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6560 { |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6561 octave_idx_type remaining_elts = elts_to_read - count; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6562 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6563 if (remaining_elts < input_buf_elts) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6564 input_buf_size = remaining_elts * input_elt_size; |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6565 } |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6566 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6567 char *input_buf = new char [input_buf_size]; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6568 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6569 is.read (input_buf, input_buf_size); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6570 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6571 size_t gcount = is.gcount (); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6572 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6573 char_count += gcount; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6574 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6575 octave_idx_type nel = gcount / input_elt_size; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6576 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6577 count += nel; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6578 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6579 input_buf_list.push_back (input_buf); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6580 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6581 if (is && skip != 0 && nel == block_size) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
6582 { |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6583 // Seek to skip. |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6584 // If skip would move past EOF, position at EOF. |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6585 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6586 off_t orig_pos = tell (); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6587 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6588 seek (0, SEEK_END); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6589 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6590 off_t eof_pos = tell (); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6591 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6592 // Is it possible for this to fail to return us to |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6593 // the original position? |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6594 seek (orig_pos, SEEK_SET); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6595 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6596 off_t remaining = eof_pos - orig_pos; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6597 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6598 if (remaining < skip) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6599 seek (0, SEEK_END); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6600 else |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6601 seek (skip, SEEK_CUR); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6602 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6603 if (! is) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6604 break; |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6605 } |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6606 } |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6607 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6608 if (read_to_eof) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6609 { |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6610 if (nc < 0) |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6611 { |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6612 nc = count / nr; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6613 |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20714
diff
changeset
|
6614 if (count % nr != 0) |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6615 nc++; |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6616 } |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6617 else |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6618 nr = count; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6619 } |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6620 else if (count == 0) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6621 { |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6622 nr = 0; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6623 nc = 0; |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20714
diff
changeset
|
6624 } |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6625 else if (count != nr * nc) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6626 { |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6627 if (count % nr != 0) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6628 nc = count / nr + 1; |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
6629 else |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6630 nc = count / nr; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6631 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6632 if (count < nr) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6633 nr = count; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
6634 } |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6635 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6636 retval = finalize_read (input_buf_list, input_buf_elts, count, |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6637 nr, nc, input_type, output_type, ffmt); |
4944 | 6638 } |
2117 | 6639 |
6640 return retval; | |
6641 } | |
6642 | |
5275 | 6643 octave_idx_type |
6644 octave_stream::write (const octave_value& data, octave_idx_type block_size, | |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6645 oct_data_conv::data_type output_type, |
21739
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
6646 octave_idx_type skip, octave::mach_info::float_format flt_fmt) |
2117 | 6647 { |
5275 | 6648 octave_idx_type retval = -1; |
2117 | 6649 |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6650 if (! stream_ok ()) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6651 invalid_operation ("fwrite", "writing"); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6652 else |
4944 | 6653 { |
21739
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
6654 if (flt_fmt == octave::mach_info::flt_fmt_unknown) |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20714
diff
changeset
|
6655 flt_fmt = float_format (); |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20714
diff
changeset
|
6656 |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20714
diff
changeset
|
6657 octave_idx_type status = data.write (*this, block_size, output_type, |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20714
diff
changeset
|
6658 skip, flt_fmt); |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20714
diff
changeset
|
6659 |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20714
diff
changeset
|
6660 if (status < 0) |
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20714
diff
changeset
|
6661 error ("fwrite: write error"); |
4944 | 6662 else |
20741
a5ab31b52ae8
eliminate more uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20714
diff
changeset
|
6663 retval = status; |
4944 | 6664 } |
2117 | 6665 |
6666 return retval; | |
6667 } | |
6668 | |
21139
538b57866b90
consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents:
21129
diff
changeset
|
6669 template <typename T, typename V> |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6670 static void |
18616
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6671 convert_chars (const void *data, void *conv_data, octave_idx_type n_elts) |
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6672 { |
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6673 const T *tt_data = static_cast<const T *> (data); |
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6674 |
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6675 V *vt_data = static_cast<V *> (conv_data); |
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6676 |
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6677 for (octave_idx_type i = 0; i < n_elts; i++) |
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6678 vt_data[i] = tt_data[i]; |
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6679 } |
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6680 |
21139
538b57866b90
consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents:
21129
diff
changeset
|
6681 template <typename T, typename V> |
18616
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6682 static void |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6683 convert_ints (const T *data, void *conv_data, octave_idx_type n_elts, |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6684 bool swap) |
4944 | 6685 { |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6686 typedef typename V::val_type val_type; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6687 |
19739
3fa35defe495
Adjust spacing of static_cast<> calls to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
19729
diff
changeset
|
6688 val_type *vt_data = static_cast<val_type *> (conv_data); |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6689 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6690 for (octave_idx_type i = 0; i < n_elts; i++) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6691 { |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6692 // Yes, we want saturation semantics when converting to an integer type. |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6693 V val (data[i]); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6694 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6695 vt_data[i] = val.value (); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6696 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6697 if (swap) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6698 swap_bytes<sizeof (val_type)> (&vt_data[i]); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6699 } |
4944 | 6700 } |
6701 | |
21139
538b57866b90
consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents:
21129
diff
changeset
|
6702 template <typename T> |
18616
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6703 class ultimate_element_type |
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6704 { |
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6705 public: |
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6706 typedef T type; |
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6707 }; |
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6708 |
21139
538b57866b90
consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents:
21129
diff
changeset
|
6709 template <typename T> |
18616
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6710 class ultimate_element_type<octave_int<T> > |
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6711 { |
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6712 public: |
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6713 typedef T type; |
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6714 }; |
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6715 |
21139
538b57866b90
consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents:
21129
diff
changeset
|
6716 template <typename T> |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6717 static bool |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6718 convert_data (const T *data, void *conv_data, octave_idx_type n_elts, |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6719 oct_data_conv::data_type output_type, |
21739
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
6720 octave::mach_info::float_format flt_fmt) |
4944 | 6721 { |
6722 bool retval = true; | |
6723 | |
21776
1e81dd035639
Write integers with correct byte order on big-endian systems (bug #47434)
Mike Miller <mtmiller@octave.org>
parents:
21296
diff
changeset
|
6724 bool swap = false; |
1e81dd035639
Write integers with correct byte order on big-endian systems (bug #47434)
Mike Miller <mtmiller@octave.org>
parents:
21296
diff
changeset
|
6725 |
21777
d6826b38b29c
maint: Periodic merge of stable to default.
Mike Miller <mtmiller@octave.org>
diff
changeset
|
6726 if (octave::mach_info::words_big_endian ()) |
d6826b38b29c
maint: Periodic merge of stable to default.
Mike Miller <mtmiller@octave.org>
diff
changeset
|
6727 swap = (flt_fmt == octave::mach_info::flt_fmt_ieee_little_endian); |
21776
1e81dd035639
Write integers with correct byte order on big-endian systems (bug #47434)
Mike Miller <mtmiller@octave.org>
parents:
21296
diff
changeset
|
6728 else |
21777
d6826b38b29c
maint: Periodic merge of stable to default.
Mike Miller <mtmiller@octave.org>
diff
changeset
|
6729 swap = (flt_fmt == octave::mach_info::flt_fmt_ieee_big_endian); |
21739
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
6730 |
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
6731 bool do_float_conversion = flt_fmt != octave::mach_info::float_format (); |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6732 |
18616
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6733 typedef typename ultimate_element_type<T>::type ult_elt_type; |
4944 | 6734 |
6735 switch (output_type) | |
6736 { | |
6737 case oct_data_conv::dt_char: | |
18616
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6738 convert_chars<ult_elt_type, char> (data, conv_data, n_elts); |
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6739 break; |
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6740 |
4944 | 6741 case oct_data_conv::dt_schar: |
18616
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6742 convert_chars<ult_elt_type, signed char> (data, conv_data, n_elts); |
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6743 break; |
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6744 |
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6745 case oct_data_conv::dt_uchar: |
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6746 convert_chars<ult_elt_type, unsigned char> (data, conv_data, n_elts); |
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6747 break; |
aa861a98d84d
fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents:
18518
diff
changeset
|
6748 |
4944 | 6749 case oct_data_conv::dt_int8: |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6750 convert_ints<T, octave_int8> (data, conv_data, n_elts, swap); |
4944 | 6751 break; |
6752 | |
6753 case oct_data_conv::dt_uint8: | |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6754 convert_ints<T, octave_uint8> (data, conv_data, n_elts, swap); |
4944 | 6755 break; |
6756 | |
6757 case oct_data_conv::dt_int16: | |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6758 convert_ints<T, octave_int16> (data, conv_data, n_elts, swap); |
4944 | 6759 break; |
6760 | |
6761 case oct_data_conv::dt_uint16: | |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6762 convert_ints<T, octave_uint16> (data, conv_data, n_elts, swap); |
4944 | 6763 break; |
6764 | |
6765 case oct_data_conv::dt_int32: | |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6766 convert_ints<T, octave_int32> (data, conv_data, n_elts, swap); |
4944 | 6767 break; |
6768 | |
6769 case oct_data_conv::dt_uint32: | |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6770 convert_ints<T, octave_uint32> (data, conv_data, n_elts, swap); |
4944 | 6771 break; |
6772 | |
6773 case oct_data_conv::dt_int64: | |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6774 convert_ints<T, octave_int64> (data, conv_data, n_elts, swap); |
4944 | 6775 break; |
6776 | |
6777 case oct_data_conv::dt_uint64: | |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6778 convert_ints<T, octave_uint64> (data, conv_data, n_elts, swap); |
4944 | 6779 break; |
6780 | |
6781 case oct_data_conv::dt_single: | |
6782 { | |
19739
3fa35defe495
Adjust spacing of static_cast<> calls to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
19729
diff
changeset
|
6783 float *vt_data = static_cast<float *> (conv_data); |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6784 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6785 for (octave_idx_type i = 0; i < n_elts; i++) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6786 { |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6787 vt_data[i] = data[i]; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6788 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6789 if (do_float_conversion) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6790 do_float_format_conversion (&vt_data[i], 1, flt_fmt); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6791 } |
4944 | 6792 } |
6793 break; | |
6794 | |
6795 case oct_data_conv::dt_double: | |
6796 { | |
19739
3fa35defe495
Adjust spacing of static_cast<> calls to follow Octave coding conventions.
Rik <rik@octave.org>
parents:
19729
diff
changeset
|
6797 double *vt_data = static_cast<double *> (conv_data); |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6798 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6799 for (octave_idx_type i = 0; i < n_elts; i++) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6800 { |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6801 vt_data[i] = data[i]; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6802 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6803 if (do_float_conversion) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6804 do_double_format_conversion (&vt_data[i], 1, flt_fmt); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6805 } |
4944 | 6806 } |
6807 break; | |
6808 | |
6809 default: | |
20938
aac911d8847b
choose correct error function in stream classes
John W. Eaton <jwe@octave.org>
parents:
20931
diff
changeset
|
6810 ::error ("write: invalid type specification"); |
4944 | 6811 } |
6812 | |
6813 return retval; | |
6814 } | |
6815 | |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6816 bool |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6817 octave_stream::write_bytes (const void *data, size_t nbytes) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6818 { |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6819 bool status = false; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6820 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6821 std::ostream *osp = output_stream (); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6822 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6823 if (osp) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6824 { |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6825 std::ostream& os = *osp; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6826 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6827 if (os) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6828 { |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6829 os.write (static_cast<const char *> (data), nbytes); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6830 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6831 if (os) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6832 status = true; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6833 } |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6834 } |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6835 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6836 return status; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6837 } |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6838 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6839 bool |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6840 octave_stream::skip_bytes (size_t skip) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6841 { |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6842 bool status = false; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6843 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6844 std::ostream *osp = output_stream (); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6845 |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6846 if (! osp) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6847 return false; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6848 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6849 std::ostream& os = *osp; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6850 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6851 // Seek to skip when inside bounds of existing file. |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6852 // Otherwise, write NUL to skip. |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6853 off_t orig_pos = tell (); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6854 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6855 seek (0, SEEK_END); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6856 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6857 off_t eof_pos = tell (); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6858 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6859 // Is it possible for this to fail to return us to the original position? |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6860 seek (orig_pos, SEEK_SET); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6861 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6862 size_t remaining = eof_pos - orig_pos; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6863 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6864 if (remaining < skip) |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6865 { |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6866 seek (0, SEEK_END); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6867 |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6868 // FIXME: probably should try to write larger blocks... |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6869 unsigned char zero = 0; |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6870 for (size_t j = 0; j < skip - remaining; j++) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6871 os.write (reinterpret_cast<const char *> (&zero), 1); |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6872 } |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6873 else |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6874 seek (skip, SEEK_CUR); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6875 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6876 if (os) |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
6877 status = true; |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6878 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6879 return status; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6880 } |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6881 |
21139
538b57866b90
consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents:
21129
diff
changeset
|
6882 template <typename T> |
5275 | 6883 octave_idx_type |
6884 octave_stream::write (const Array<T>& data, octave_idx_type block_size, | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
6885 oct_data_conv::data_type output_type, |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6886 octave_idx_type skip, |
21739
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
6887 octave::mach_info::float_format flt_fmt) |
4944 | 6888 { |
21776
1e81dd035639
Write integers with correct byte order on big-endian systems (bug #47434)
Mike Miller <mtmiller@octave.org>
parents:
21296
diff
changeset
|
6889 bool swap = false; |
1e81dd035639
Write integers with correct byte order on big-endian systems (bug #47434)
Mike Miller <mtmiller@octave.org>
parents:
21296
diff
changeset
|
6890 |
21777
d6826b38b29c
maint: Periodic merge of stable to default.
Mike Miller <mtmiller@octave.org>
diff
changeset
|
6891 if (octave::mach_info::words_big_endian ()) |
d6826b38b29c
maint: Periodic merge of stable to default.
Mike Miller <mtmiller@octave.org>
diff
changeset
|
6892 swap = (flt_fmt == octave::mach_info::flt_fmt_ieee_little_endian); |
21776
1e81dd035639
Write integers with correct byte order on big-endian systems (bug #47434)
Mike Miller <mtmiller@octave.org>
parents:
21296
diff
changeset
|
6893 else |
21777
d6826b38b29c
maint: Periodic merge of stable to default.
Mike Miller <mtmiller@octave.org>
diff
changeset
|
6894 swap = (flt_fmt == octave::mach_info::flt_fmt_ieee_big_endian); |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6895 |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
6896 bool do_data_conversion = (swap || ! is_equivalent_type<T> (output_type) |
21739
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
6897 || flt_fmt != octave::mach_info::float_format ()); |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6898 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6899 octave_idx_type nel = data.numel (); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6900 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6901 octave_idx_type chunk_size; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6902 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6903 if (skip != 0) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6904 chunk_size = block_size; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6905 else if (do_data_conversion) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6906 chunk_size = 1024 * 1024; |
4944 | 6907 else |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6908 chunk_size = nel; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6909 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6910 octave_idx_type i = 0; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6911 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6912 const T *pdata = data.data (); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6913 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6914 while (i < nel) |
4944 | 6915 { |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6916 if (skip != 0) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
6917 { |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6918 if (! skip_bytes (skip)) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6919 return -1; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6920 } |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6921 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6922 octave_idx_type remaining_nel = nel - i; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6923 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6924 if (chunk_size > remaining_nel) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6925 chunk_size = remaining_nel; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6926 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6927 bool status = false; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6928 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6929 if (do_data_conversion) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6930 { |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6931 size_t output_size |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6932 = chunk_size * oct_data_conv::data_type_size (output_type); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6933 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6934 OCTAVE_LOCAL_BUFFER (unsigned char, conv_data, output_size); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6935 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6936 status = convert_data (&pdata[i], conv_data, chunk_size, |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6937 output_type, flt_fmt); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6938 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6939 if (status) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6940 status = write_bytes (conv_data, output_size); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
6941 } |
4944 | 6942 else |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6943 status = write_bytes (pdata, sizeof (T) * chunk_size); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6944 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6945 if (! status) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6946 return -1; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6947 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6948 i += chunk_size; |
4944 | 6949 } |
6950 | |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6951 return nel; |
4944 | 6952 } |
6953 | |
22197
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
6954 #define INSTANTIATE_WRITE(T) \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
6955 template \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
6956 octave_idx_type \ |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6957 octave_stream::write (const Array<T>& data, octave_idx_type block_size, \ |
22197
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
6958 oct_data_conv::data_type output_type, \ |
e43d83253e28
refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
6959 octave_idx_type skip, \ |
21739
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
6960 octave::mach_info::float_format flt_fmt) |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6961 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6962 INSTANTIATE_WRITE (octave_int8); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6963 INSTANTIATE_WRITE (octave_uint8); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6964 INSTANTIATE_WRITE (octave_int16); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6965 INSTANTIATE_WRITE (octave_uint16); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6966 INSTANTIATE_WRITE (octave_int32); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6967 INSTANTIATE_WRITE (octave_uint32); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6968 INSTANTIATE_WRITE (octave_int64); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6969 INSTANTIATE_WRITE (octave_uint64); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6970 INSTANTIATE_WRITE (int8_t); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6971 INSTANTIATE_WRITE (uint8_t); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6972 INSTANTIATE_WRITE (int16_t); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6973 INSTANTIATE_WRITE (uint16_t); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6974 INSTANTIATE_WRITE (int32_t); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6975 INSTANTIATE_WRITE (uint32_t); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6976 INSTANTIATE_WRITE (int64_t); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6977 INSTANTIATE_WRITE (uint64_t); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6978 INSTANTIATE_WRITE (bool); |
21354
06d15e4e611a
move public data type macros to octave-config.h
John W. Eaton <jwe@octave.org>
parents:
21335
diff
changeset
|
6979 #if defined (OCTAVE_HAVE_OVERLOAD_CHAR_INT8_TYPES) |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6980 INSTANTIATE_WRITE (char); |
21235
b48d65c5df5b
Disable char/int8_t function overloads where not permitted (bug #45411)
Mike Miller <mtmiller@octave.org>
parents:
20252
diff
changeset
|
6981 #endif |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6982 INSTANTIATE_WRITE (float); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
6983 INSTANTIATE_WRITE (double); |
4944 | 6984 |
2117 | 6985 octave_value |
3810 | 6986 octave_stream::scanf (const std::string& fmt, const Array<double>& size, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
6987 octave_idx_type& count, const std::string& who) |
2117 | 6988 { |
6989 octave_value retval; | |
6990 | |
5659 | 6991 if (stream_ok ()) |
4468 | 6992 retval = rep->scanf (fmt, size, count, who); |
2117 | 6993 |
6994 return retval; | |
6995 } | |
6996 | |
5279 | 6997 octave_value |
6998 octave_stream::scanf (const octave_value& fmt, const Array<double>& size, | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
6999 octave_idx_type& count, const std::string& who) |
5279 | 7000 { |
7001 octave_value retval = Matrix (); | |
7002 | |
7003 if (fmt.is_string ()) | |
7004 { | |
7005 std::string sfmt = fmt.string_value (); | |
7006 | |
7007 if (fmt.is_sq_string ()) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
7008 sfmt = do_string_escapes (sfmt); |
5279 | 7009 |
7010 retval = scanf (sfmt, size, count, who); | |
7011 } | |
7012 else | |
7013 { | |
20938
aac911d8847b
choose correct error function in stream classes
John W. Eaton <jwe@octave.org>
parents:
20931
diff
changeset
|
7014 // Note: error is member fcn from octave_stream, not ::error. |
5279 | 7015 error (who + ": format must be a string"); |
7016 } | |
7017 | |
7018 return retval; | |
7019 } | |
7020 | |
2215 | 7021 octave_value_list |
4468 | 7022 octave_stream::oscanf (const std::string& fmt, const std::string& who) |
2215 | 7023 { |
7024 octave_value_list retval; | |
7025 | |
5659 | 7026 if (stream_ok ()) |
4468 | 7027 retval = rep->oscanf (fmt, who); |
2215 | 7028 |
7029 return retval; | |
7030 } | |
7031 | |
5279 | 7032 octave_value_list |
7033 octave_stream::oscanf (const octave_value& fmt, const std::string& who) | |
7034 { | |
7035 octave_value_list retval; | |
7036 | |
7037 if (fmt.is_string ()) | |
7038 { | |
7039 std::string sfmt = fmt.string_value (); | |
7040 | |
7041 if (fmt.is_sq_string ()) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
7042 sfmt = do_string_escapes (sfmt); |
5279 | 7043 |
7044 retval = oscanf (sfmt, who); | |
7045 } | |
7046 else | |
7047 { | |
20938
aac911d8847b
choose correct error function in stream classes
John W. Eaton <jwe@octave.org>
parents:
20931
diff
changeset
|
7048 // Note: error is member fcn from octave_stream, not ::error. |
5279 | 7049 error (who + ": format must be a string"); |
7050 } | |
7051 | |
7052 return retval; | |
7053 } | |
7054 | |
21503
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
7055 octave_value |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
7056 octave_stream::textscan (const std::string& fmt, octave_idx_type ntimes, |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
7057 const octave_value_list& options, |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
7058 const std::string& who, octave_idx_type& count) |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
7059 { |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
7060 return (stream_ok () |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
7061 ? rep->do_textscan (fmt, ntimes, options, who, count) |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
7062 : octave_value ()); |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
7063 } |
20bf0ec536e2
integrate textscan more completely with octave_stream class
John W. Eaton <jwe@octave.org>
parents:
21502
diff
changeset
|
7064 |
2117 | 7065 int |
4468 | 7066 octave_stream::printf (const std::string& fmt, const octave_value_list& args, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
7067 const std::string& who) |
2117 | 7068 { |
7069 int retval = -1; | |
7070 | |
5659 | 7071 if (stream_ok ()) |
4468 | 7072 retval = rep->printf (fmt, args, who); |
2117 | 7073 |
7074 return retval; | |
7075 } | |
7076 | |
7077 int | |
5279 | 7078 octave_stream::printf (const octave_value& fmt, const octave_value_list& args, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
7079 const std::string& who) |
5279 | 7080 { |
7081 int retval = 0; | |
7082 | |
7083 if (fmt.is_string ()) | |
7084 { | |
7085 std::string sfmt = fmt.string_value (); | |
7086 | |
7087 if (fmt.is_sq_string ()) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
7088 sfmt = do_string_escapes (sfmt); |
5279 | 7089 |
7090 retval = printf (sfmt, args, who); | |
7091 } | |
7092 else | |
7093 { | |
20938
aac911d8847b
choose correct error function in stream classes
John W. Eaton <jwe@octave.org>
parents:
20931
diff
changeset
|
7094 // Note: error is member fcn from octave_stream, not ::error. |
5279 | 7095 error (who + ": format must be a string"); |
7096 } | |
7097 | |
7098 return retval; | |
7099 } | |
7100 | |
7101 int | |
4468 | 7102 octave_stream::puts (const std::string& s, const std::string& who) |
2117 | 7103 { |
7104 int retval = -1; | |
7105 | |
5659 | 7106 if (stream_ok ()) |
4468 | 7107 retval = rep->puts (s, who); |
2117 | 7108 |
7109 return retval; | |
7110 } | |
7111 | |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7112 // FIXME: maybe this should work for string arrays too. |
2117 | 7113 |
7114 int | |
4468 | 7115 octave_stream::puts (const octave_value& tc_s, const std::string& who) |
2117 | 7116 { |
7117 int retval = -1; | |
7118 | |
7119 if (tc_s.is_string ()) | |
7120 { | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
7121 std::string s = tc_s.string_value (); |
5279 | 7122 retval = puts (s, who); |
2117 | 7123 } |
7124 else | |
4468 | 7125 { |
20938
aac911d8847b
choose correct error function in stream classes
John W. Eaton <jwe@octave.org>
parents:
20931
diff
changeset
|
7126 // Note: error is member fcn from octave_stream, not ::error. |
4468 | 7127 error (who + ": argument must be a string"); |
7128 } | |
2117 | 7129 |
7130 return retval; | |
7131 } | |
7132 | |
7133 bool | |
7134 octave_stream::eof (void) const | |
7135 { | |
7136 int retval = -1; | |
7137 | |
5659 | 7138 if (stream_ok ()) |
2117 | 7139 retval = rep->eof (); |
7140 | |
7141 return retval; | |
7142 } | |
7143 | |
3536 | 7144 std::string |
2435 | 7145 octave_stream::error (bool clear, int& err_num) |
2117 | 7146 { |
5649 | 7147 std::string retval = "invalid stream object"; |
7148 | |
5659 | 7149 if (stream_ok (false)) |
2435 | 7150 retval = rep->error (clear, err_num); |
2117 | 7151 |
7152 return retval; | |
7153 } | |
7154 | |
3536 | 7155 std::string |
3340 | 7156 octave_stream::name (void) const |
2117 | 7157 { |
3523 | 7158 std::string retval; |
2117 | 7159 |
5659 | 7160 if (stream_ok ()) |
2117 | 7161 retval = rep->name (); |
7162 | |
7163 return retval; | |
7164 } | |
7165 | |
7166 int | |
3340 | 7167 octave_stream::mode (void) const |
2117 | 7168 { |
7169 int retval = 0; | |
7170 | |
5659 | 7171 if (stream_ok ()) |
2117 | 7172 retval = rep->mode (); |
7173 | |
7174 return retval; | |
7175 } | |
7176 | |
21739
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
7177 octave::mach_info::float_format |
3340 | 7178 octave_stream::float_format (void) const |
2117 | 7179 { |
21739
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
7180 octave::mach_info::float_format retval = octave::mach_info::flt_fmt_unknown; |
2317 | 7181 |
5659 | 7182 if (stream_ok ()) |
2317 | 7183 retval = rep->float_format (); |
2117 | 7184 |
7185 return retval; | |
7186 } | |
7187 | |
3536 | 7188 std::string |
2117 | 7189 octave_stream::mode_as_string (int mode) |
7190 { | |
3523 | 7191 std::string retval = "???"; |
3775 | 7192 std::ios::openmode in_mode = static_cast<std::ios::openmode> (mode); |
7193 | |
7194 if (in_mode == std::ios::in) | |
7195 retval = "r"; | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
7196 else if (in_mode == std::ios::out |
4078 | 7197 || in_mode == (std::ios::out | std::ios::trunc)) |
3775 | 7198 retval = "w"; |
4078 | 7199 else if (in_mode == (std::ios::out | std::ios::app)) |
3775 | 7200 retval = "a"; |
4078 | 7201 else if (in_mode == (std::ios::in | std::ios::out)) |
3775 | 7202 retval = "r+"; |
4078 | 7203 else if (in_mode == (std::ios::in | std::ios::out | std::ios::trunc)) |
3775 | 7204 retval = "w+"; |
4078 | 7205 else if (in_mode == (std::ios::in | std::ios::out | std::ios::ate)) |
3775 | 7206 retval = "a+"; |
4078 | 7207 else if (in_mode == (std::ios::in | std::ios::binary)) |
3775 | 7208 retval = "rb"; |
4078 | 7209 else if (in_mode == (std::ios::out | std::ios::binary) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
7210 || in_mode == (std::ios::out | std::ios::trunc | std::ios::binary)) |
3775 | 7211 retval = "wb"; |
4078 | 7212 else if (in_mode == (std::ios::out | std::ios::app | std::ios::binary)) |
3775 | 7213 retval = "ab"; |
4078 | 7214 else if (in_mode == (std::ios::in | std::ios::out | std::ios::binary)) |
3775 | 7215 retval = "r+b"; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
7216 else if (in_mode == (std::ios::in | std::ios::out | std::ios::trunc |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
7217 | std::ios::binary)) |
3775 | 7218 retval = "w+b"; |
4078 | 7219 else if (in_mode == (std::ios::in | std::ios::out | std::ios::ate |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
7220 | std::ios::binary)) |
3775 | 7221 retval = "a+b"; |
2117 | 7222 |
7223 return retval; | |
7224 } | |
7225 | |
7226 octave_stream_list *octave_stream_list::instance = 0; | |
7227 | |
2926 | 7228 bool |
7229 octave_stream_list::instance_ok (void) | |
7230 { | |
7231 bool retval = true; | |
7232 | |
7233 if (! instance) | |
13983
7dd7cccf0757
clean up memory allocated for singletons before exit
John W. Eaton <jwe@octave.org>
parents:
13271
diff
changeset
|
7234 { |
7dd7cccf0757
clean up memory allocated for singletons before exit
John W. Eaton <jwe@octave.org>
parents:
13271
diff
changeset
|
7235 instance = new octave_stream_list (); |
7dd7cccf0757
clean up memory allocated for singletons before exit
John W. Eaton <jwe@octave.org>
parents:
13271
diff
changeset
|
7236 |
7dd7cccf0757
clean up memory allocated for singletons before exit
John W. Eaton <jwe@octave.org>
parents:
13271
diff
changeset
|
7237 if (instance) |
7dd7cccf0757
clean up memory allocated for singletons before exit
John W. Eaton <jwe@octave.org>
parents:
13271
diff
changeset
|
7238 singleton_cleanup_list::add (cleanup_instance); |
7dd7cccf0757
clean up memory allocated for singletons before exit
John W. Eaton <jwe@octave.org>
parents:
13271
diff
changeset
|
7239 } |
2926 | 7240 |
7241 if (! instance) | |
20831
35241c4b696c
eliminate return statements after calls to error
John W. Eaton <jwe@octave.org>
parents:
20768
diff
changeset
|
7242 ::error ("unable to create stream list object!"); |
2926 | 7243 |
7244 return retval; | |
7245 } | |
7246 | |
5353 | 7247 int |
6757 | 7248 octave_stream_list::insert (octave_stream& os) |
2926 | 7249 { |
5353 | 7250 return (instance_ok ()) ? instance->do_insert (os) : -1; |
2926 | 7251 } |
7252 | |
3340 | 7253 octave_stream |
3523 | 7254 octave_stream_list::lookup (int fid, const std::string& who) |
2926 | 7255 { |
3341 | 7256 return (instance_ok ()) ? instance->do_lookup (fid, who) : octave_stream (); |
2926 | 7257 } |
7258 | |
3340 | 7259 octave_stream |
3523 | 7260 octave_stream_list::lookup (const octave_value& fid, const std::string& who) |
2926 | 7261 { |
3341 | 7262 return (instance_ok ()) ? instance->do_lookup (fid, who) : octave_stream (); |
2926 | 7263 } |
7264 | |
7265 int | |
3523 | 7266 octave_stream_list::remove (int fid, const std::string& who) |
2926 | 7267 { |
3341 | 7268 return (instance_ok ()) ? instance->do_remove (fid, who) : -1; |
2926 | 7269 } |
7270 | |
7271 int | |
3523 | 7272 octave_stream_list::remove (const octave_value& fid, const std::string& who) |
2926 | 7273 { |
3341 | 7274 return (instance_ok ()) ? instance->do_remove (fid, who) : -1; |
2926 | 7275 } |
7276 | |
7277 void | |
8902
5d5db7a347c6
erase closed files from file list & cache lookup
Jaroslav Hajek <highegg@gmail.com>
parents:
8773
diff
changeset
|
7278 octave_stream_list::clear (bool flush) |
2926 | 7279 { |
7280 if (instance) | |
8902
5d5db7a347c6
erase closed files from file list & cache lookup
Jaroslav Hajek <highegg@gmail.com>
parents:
8773
diff
changeset
|
7281 instance->do_clear (flush); |
2926 | 7282 } |
7283 | |
7284 string_vector | |
7285 octave_stream_list::get_info (int fid) | |
7286 { | |
7287 return (instance_ok ()) ? instance->do_get_info (fid) : string_vector (); | |
7288 } | |
7289 | |
7290 string_vector | |
7291 octave_stream_list::get_info (const octave_value& fid) | |
7292 { | |
7293 return (instance_ok ()) ? instance->do_get_info (fid) : string_vector (); | |
7294 } | |
7295 | |
3536 | 7296 std::string |
2926 | 7297 octave_stream_list::list_open_files (void) |
7298 { | |
21017
93748bcaec17
maint: Replace emtpy 'std::string ()' calls with "".
Rik <rik@octave.org>
parents:
20982
diff
changeset
|
7299 return (instance_ok ()) ? instance->do_list_open_files () : ""; |
2926 | 7300 } |
7301 | |
7302 octave_value | |
7303 octave_stream_list::open_file_numbers (void) | |
7304 { | |
7305 return (instance_ok ()) | |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
7306 ? instance->do_open_file_numbers () : octave_value (); |
2926 | 7307 } |
7308 | |
7309 int | |
7310 octave_stream_list::get_file_number (const octave_value& fid) | |
7311 { | |
7312 return (instance_ok ()) ? instance->do_get_file_number (fid) : -1; | |
7313 } | |
7314 | |
5353 | 7315 int |
6757 | 7316 octave_stream_list::do_insert (octave_stream& os) |
2117 | 7317 { |
6757 | 7318 // Insert item with key corresponding to file-descriptor. |
7319 | |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
7320 int stream_number = os.file_number (); |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
7321 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
7322 if (stream_number == -1) |
6757 | 7323 return stream_number; |
7324 | |
19864
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
7325 // Should we test for |
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
7326 // |
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
7327 // (list.find (stream_number) != list.end () |
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
7328 // && list[stream_number].is_open ()) |
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
7329 // |
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
7330 // and respond with "error ("internal error: ...")"? It should not |
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
7331 // happen except for some bug or if the user has opened a stream with |
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
7332 // an interpreted command, but closed it directly with a system call |
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
7333 // in an oct-file; then the kernel knows the fd is free, but Octave |
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
7334 // does not know. If it happens, it should not do harm here to simply |
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
7335 // overwrite this entry, although the wrong entry might have done harm |
17d647821d61
maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents:
19861
diff
changeset
|
7336 // before. |
6757 | 7337 |
20982
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
7338 if (list.size () >= list.max_size ()) |
20938
aac911d8847b
choose correct error function in stream classes
John W. Eaton <jwe@octave.org>
parents:
20931
diff
changeset
|
7339 ::error ("could not create file id"); |
2117 | 7340 |
20982
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
7341 list[stream_number] = os; |
2117 | 7342 |
5353 | 7343 return stream_number; |
2117 | 7344 } |
7345 | |
21040
3e7cfee5f786
maint: Rename attributes GCC_ATTR_XXX to OCTAVE_XXX.
Rik <rik@octave.org>
parents:
21029
diff
changeset
|
7346 OCTAVE_NORETURN static |
21029
e3b3bb522d62
maint: Move GCC_ attributes to start of declaration for future compatibility.
Rik <rik@octave.org>
parents:
21017
diff
changeset
|
7347 void |
21102
dfcb9d74b253
Rename local gripe_XXX functions to err_XXX or warn_XXX.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
7348 err_invalid_file_id (int fid, const std::string& who) |
3341 | 7349 { |
7350 if (who.empty ()) | |
7351 ::error ("invalid stream number = %d", fid); | |
7352 else | |
7353 ::error ("%s: invalid stream number = %d", who.c_str (), fid); | |
7354 } | |
7355 | |
3340 | 7356 octave_stream |
3523 | 7357 octave_stream_list::do_lookup (int fid, const std::string& who) const |
2117 | 7358 { |
3340 | 7359 octave_stream retval; |
2117 | 7360 |
20982
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
7361 if (fid < 0) |
21102
dfcb9d74b253
Rename local gripe_XXX functions to err_XXX or warn_XXX.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
7362 err_invalid_file_id (fid, who); |
20982
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
7363 |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
7364 if (lookup_cache != list.end () && lookup_cache->first == fid) |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
7365 retval = lookup_cache->second; |
3341 | 7366 else |
6757 | 7367 { |
20982
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
7368 ostrl_map::const_iterator iter = list.find (fid); |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
7369 |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
7370 if (iter == list.end ()) |
21102
dfcb9d74b253
Rename local gripe_XXX functions to err_XXX or warn_XXX.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
7371 err_invalid_file_id (fid, who); |
20982
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
7372 |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
7373 retval = iter->second; |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
7374 lookup_cache = iter; |
6757 | 7375 } |
2117 | 7376 |
7377 return retval; | |
7378 } | |
7379 | |
3340 | 7380 octave_stream |
3341 | 7381 octave_stream_list::do_lookup (const octave_value& fid, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
7382 const std::string& who) const |
2117 | 7383 { |
7384 int i = get_file_number (fid); | |
7385 | |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
7386 return do_lookup (i, who); |
2117 | 7387 } |
7388 | |
7389 int | |
3523 | 7390 octave_stream_list::do_remove (int fid, const std::string& who) |
2117 | 7391 { |
20764
0ad449bc8848
Stop 'fclose ("all")' from closing down gnuplot pipes (bug #39504).
Rik <rik@octave.org>
parents:
20756
diff
changeset
|
7392 // Can't remove stdin (std::cin), stdout (std::cout), or stderr (std::cerr). |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
7393 if (fid < 3) |
21102
dfcb9d74b253
Rename local gripe_XXX functions to err_XXX or warn_XXX.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
7394 err_invalid_file_id (fid, who); |
20982
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
7395 |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
7396 ostrl_map::iterator iter = list.find (fid); |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
7397 |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
7398 if (iter == list.end ()) |
21102
dfcb9d74b253
Rename local gripe_XXX functions to err_XXX or warn_XXX.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
7399 err_invalid_file_id (fid, who); |
20982
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
7400 |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
7401 octave_stream os = iter->second; |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
7402 list.erase (iter); |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
7403 lookup_cache = list.end (); |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
7404 |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
7405 // FIXME: is this check redundant? |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
7406 if (! os.is_valid ()) |
21102
dfcb9d74b253
Rename local gripe_XXX functions to err_XXX or warn_XXX.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
7407 err_invalid_file_id (fid, who); |
20982
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
7408 |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
7409 os.close (); |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
7410 |
d27f66b4b8e6
maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents:
20946
diff
changeset
|
7411 return 0; |
2117 | 7412 } |
7413 | |
7414 int | |
3523 | 7415 octave_stream_list::do_remove (const octave_value& fid, const std::string& who) |
2117 | 7416 { |
7417 int retval = -1; | |
7418 | |
6054 | 7419 if (fid.is_string () && fid.string_value () == "all") |
7420 { | |
8902
5d5db7a347c6
erase closed files from file list & cache lookup
Jaroslav Hajek <highegg@gmail.com>
parents:
8773
diff
changeset
|
7421 do_clear (false); |
6054 | 7422 |
7423 retval = 0; | |
7424 } | |
7425 else | |
7426 { | |
7427 int i = get_file_number (fid); | |
7428 | |
20558
1a0a433c8263
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20465
diff
changeset
|
7429 retval = do_remove (i, who); |
6054 | 7430 } |
2117 | 7431 |
7432 return retval; | |
7433 } | |
7434 | |
7435 void | |
8902
5d5db7a347c6
erase closed files from file list & cache lookup
Jaroslav Hajek <highegg@gmail.com>
parents:
8773
diff
changeset
|
7436 octave_stream_list::do_clear (bool flush) |
2117 | 7437 { |
8902
5d5db7a347c6
erase closed files from file list & cache lookup
Jaroslav Hajek <highegg@gmail.com>
parents:
8773
diff
changeset
|
7438 if (flush) |
5d5db7a347c6
erase closed files from file list & cache lookup
Jaroslav Hajek <highegg@gmail.com>
parents:
8773
diff
changeset
|
7439 { |
20764
0ad449bc8848
Stop 'fclose ("all")' from closing down gnuplot pipes (bug #39504).
Rik <rik@octave.org>
parents:
20756
diff
changeset
|
7440 // Flush stdout and stderr. |
8902
5d5db7a347c6
erase closed files from file list & cache lookup
Jaroslav Hajek <highegg@gmail.com>
parents:
8773
diff
changeset
|
7441 list[1].flush (); |
20764
0ad449bc8848
Stop 'fclose ("all")' from closing down gnuplot pipes (bug #39504).
Rik <rik@octave.org>
parents:
20756
diff
changeset
|
7442 list[2].flush (); |
8902
5d5db7a347c6
erase closed files from file list & cache lookup
Jaroslav Hajek <highegg@gmail.com>
parents:
8773
diff
changeset
|
7443 } |
5d5db7a347c6
erase closed files from file list & cache lookup
Jaroslav Hajek <highegg@gmail.com>
parents:
8773
diff
changeset
|
7444 |
20764
0ad449bc8848
Stop 'fclose ("all")' from closing down gnuplot pipes (bug #39504).
Rik <rik@octave.org>
parents:
20756
diff
changeset
|
7445 for (ostrl_map::iterator iter = list.begin (); iter != list.end (); ) |
6757 | 7446 { |
8902
5d5db7a347c6
erase closed files from file list & cache lookup
Jaroslav Hajek <highegg@gmail.com>
parents:
8773
diff
changeset
|
7447 int fid = iter->first; |
20764
0ad449bc8848
Stop 'fclose ("all")' from closing down gnuplot pipes (bug #39504).
Rik <rik@octave.org>
parents:
20756
diff
changeset
|
7448 if (fid < 3) // Don't delete stdin, stdout, stderr |
0ad449bc8848
Stop 'fclose ("all")' from closing down gnuplot pipes (bug #39504).
Rik <rik@octave.org>
parents:
20756
diff
changeset
|
7449 { |
0ad449bc8848
Stop 'fclose ("all")' from closing down gnuplot pipes (bug #39504).
Rik <rik@octave.org>
parents:
20756
diff
changeset
|
7450 iter++; |
0ad449bc8848
Stop 'fclose ("all")' from closing down gnuplot pipes (bug #39504).
Rik <rik@octave.org>
parents:
20756
diff
changeset
|
7451 continue; |
0ad449bc8848
Stop 'fclose ("all")' from closing down gnuplot pipes (bug #39504).
Rik <rik@octave.org>
parents:
20756
diff
changeset
|
7452 } |
0ad449bc8848
Stop 'fclose ("all")' from closing down gnuplot pipes (bug #39504).
Rik <rik@octave.org>
parents:
20756
diff
changeset
|
7453 |
8902
5d5db7a347c6
erase closed files from file list & cache lookup
Jaroslav Hajek <highegg@gmail.com>
parents:
8773
diff
changeset
|
7454 octave_stream os = iter->second; |
20768
7655b399abff
eliminate trailing whitespace in source files we maintain
John W. Eaton <jwe@octave.org>
parents:
20764
diff
changeset
|
7455 |
7655b399abff
eliminate trailing whitespace in source files we maintain
John W. Eaton <jwe@octave.org>
parents:
20764
diff
changeset
|
7456 std::string name = os.name (); |
20764
0ad449bc8848
Stop 'fclose ("all")' from closing down gnuplot pipes (bug #39504).
Rik <rik@octave.org>
parents:
20756
diff
changeset
|
7457 std::transform (name.begin (), name.end (), name.begin (), tolower); |
0ad449bc8848
Stop 'fclose ("all")' from closing down gnuplot pipes (bug #39504).
Rik <rik@octave.org>
parents:
20756
diff
changeset
|
7458 |
0ad449bc8848
Stop 'fclose ("all")' from closing down gnuplot pipes (bug #39504).
Rik <rik@octave.org>
parents:
20756
diff
changeset
|
7459 // FIXME: This test for gnuplot is hardly foolproof. |
0ad449bc8848
Stop 'fclose ("all")' from closing down gnuplot pipes (bug #39504).
Rik <rik@octave.org>
parents:
20756
diff
changeset
|
7460 if (name.find ("gnuplot") != std::string::npos) |
0ad449bc8848
Stop 'fclose ("all")' from closing down gnuplot pipes (bug #39504).
Rik <rik@octave.org>
parents:
20756
diff
changeset
|
7461 { |
0ad449bc8848
Stop 'fclose ("all")' from closing down gnuplot pipes (bug #39504).
Rik <rik@octave.org>
parents:
20756
diff
changeset
|
7462 // Don't close down pipes to gnuplot |
0ad449bc8848
Stop 'fclose ("all")' from closing down gnuplot pipes (bug #39504).
Rik <rik@octave.org>
parents:
20756
diff
changeset
|
7463 iter++; |
0ad449bc8848
Stop 'fclose ("all")' from closing down gnuplot pipes (bug #39504).
Rik <rik@octave.org>
parents:
20756
diff
changeset
|
7464 continue; |
0ad449bc8848
Stop 'fclose ("all")' from closing down gnuplot pipes (bug #39504).
Rik <rik@octave.org>
parents:
20756
diff
changeset
|
7465 } |
0ad449bc8848
Stop 'fclose ("all")' from closing down gnuplot pipes (bug #39504).
Rik <rik@octave.org>
parents:
20756
diff
changeset
|
7466 |
0ad449bc8848
Stop 'fclose ("all")' from closing down gnuplot pipes (bug #39504).
Rik <rik@octave.org>
parents:
20756
diff
changeset
|
7467 // Normal file handle. Close and delete from list. |
0ad449bc8848
Stop 'fclose ("all")' from closing down gnuplot pipes (bug #39504).
Rik <rik@octave.org>
parents:
20756
diff
changeset
|
7468 if (os.is_valid ()) |
8902
5d5db7a347c6
erase closed files from file list & cache lookup
Jaroslav Hajek <highegg@gmail.com>
parents:
8773
diff
changeset
|
7469 os.close (); |
20764
0ad449bc8848
Stop 'fclose ("all")' from closing down gnuplot pipes (bug #39504).
Rik <rik@octave.org>
parents:
20756
diff
changeset
|
7470 |
0ad449bc8848
Stop 'fclose ("all")' from closing down gnuplot pipes (bug #39504).
Rik <rik@octave.org>
parents:
20756
diff
changeset
|
7471 list.erase (iter++); |
6757 | 7472 } |
20764
0ad449bc8848
Stop 'fclose ("all")' from closing down gnuplot pipes (bug #39504).
Rik <rik@octave.org>
parents:
20756
diff
changeset
|
7473 |
8902
5d5db7a347c6
erase closed files from file list & cache lookup
Jaroslav Hajek <highegg@gmail.com>
parents:
8773
diff
changeset
|
7474 lookup_cache = list.end (); |
2117 | 7475 } |
7476 | |
7477 string_vector | |
7478 octave_stream_list::do_get_info (int fid) const | |
7479 { | |
3340 | 7480 octave_stream os = do_lookup (fid); |
2117 | 7481 |
20892 | 7482 if (! os.is_valid ()) |
3341 | 7483 ::error ("invalid file id = %d", fid); |
2117 | 7484 |
20892 | 7485 string_vector retval (3); |
7486 | |
7487 retval(0) = os.name (); | |
7488 retval(1) = octave_stream::mode_as_string (os.mode ()); | |
21739
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
7489 retval(2) = octave::mach_info::float_format_as_string (os.float_format ()); |
20892 | 7490 |
2117 | 7491 return retval; |
7492 } | |
7493 | |
7494 string_vector | |
7495 octave_stream_list::do_get_info (const octave_value& fid) const | |
7496 { | |
7497 int conv_err = 0; | |
7498 | |
7499 int int_fid = convert_to_valid_int (fid, conv_err); | |
7500 | |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
7501 if (conv_err) |
2915 | 7502 ::error ("file id must be a file object or integer value"); |
2117 | 7503 |
20931
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Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
7504 return do_get_info (int_fid); |
2117 | 7505 } |
7506 | |
3536 | 7507 std::string |
2117 | 7508 octave_stream_list::do_list_open_files (void) const |
7509 { | |
5765 | 7510 std::ostringstream buf; |
2117 | 7511 |
7512 buf << "\n" | |
7513 << " number mode arch name\n" | |
7514 << " ------ ---- ---- ----\n"; | |
7515 | |
6757 | 7516 for (ostrl_map::const_iterator p = list.begin (); p != list.end (); p++) |
2117 | 7517 { |
6757 | 7518 octave_stream os = p->second; |
2117 | 7519 |
4326 | 7520 buf << " " |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
7521 << std::setiosflags (std::ios::right) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
7522 << std::setw (4) << p->first << " " |
19123 | 7523 // reset necessary in addition to setiosflags since this is one stmt. |
7524 << std::resetiosflags (std::ios::adjustfield) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
7525 << std::setiosflags (std::ios::left) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
7526 << std::setw (3) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
7527 << octave_stream::mode_as_string (os.mode ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
7528 << " " |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
7529 << std::setw (9) |
21739
c4ab2e54f100
use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
7530 << octave::mach_info::float_format_as_string (os.float_format ()) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
7531 << " " |
57a59eae83cc
untabify src C++ source files
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changeset
|
7532 << os.name () << "\n"; |
2117 | 7533 } |
7534 | |
5765 | 7535 buf << "\n"; |
7536 | |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
7537 return buf.str (); |
2117 | 7538 } |
7539 | |
7540 octave_value | |
7541 octave_stream_list::do_open_file_numbers (void) const | |
7542 { | |
6757 | 7543 Matrix retval (1, list.size (), 0.0); |
2117 | 7544 |
7545 int num_open = 0; | |
7546 | |
6757 | 7547 for (ostrl_map::const_iterator p = list.begin (); p != list.end (); p++) |
2117 | 7548 { |
6757 | 7549 // Skip stdin, stdout, and stderr. |
7550 if (p->first > 2 && p->second) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
7551 retval(0,num_open++) = p->first; |
2117 | 7552 } |
7553 | |
7554 retval.resize ((num_open > 0), num_open); | |
7555 | |
7556 return retval; | |
7557 } | |
7558 | |
7559 int | |
2609 | 7560 octave_stream_list::do_get_file_number (const octave_value& fid) const |
2117 | 7561 { |
7562 int retval = -1; | |
7563 | |
7564 if (fid.is_string ()) | |
7565 { | |
3523 | 7566 std::string nm = fid.string_value (); |
2117 | 7567 |
6757 | 7568 for (ostrl_map::const_iterator p = list.begin (); p != list.end (); p++) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
7569 { |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
7570 // stdin, stdout, and stderr are unnamed. |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
7571 if (p->first > 2) |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
7572 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
7573 octave_stream os = p->second; |
57a59eae83cc
untabify src C++ source files
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diff
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|
7574 |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
7575 if (os && os.name () == nm) |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
7576 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
7577 retval = p->first; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
7578 break; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
7579 } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
7580 } |
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untabify src C++ source files
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diff
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|
7581 } |
2117 | 7582 } |
7583 else | |
7584 { | |
7585 int conv_err = 0; | |
7586 | |
7587 int int_fid = convert_to_valid_int (fid, conv_err); | |
7588 | |
7589 if (conv_err) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
7590 ::error ("file id must be a file object, std::string, or integer value"); |
20931
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
7591 |
69dcb58b9ada
Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents:
20917
diff
changeset
|
7592 retval = int_fid; |
2117 | 7593 } |
7594 | |
7595 return retval; | |
7596 } | |
22407
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
7597 |