Mercurial > octave-nkf
annotate libinterp/corefcn/oct-stream.cc @ 18211:775e7874b38d
maint: Periodic merge of gui-release to default.
author | John W. Eaton <jwe@octave.org> |
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date | Fri, 03 Jan 2014 17:33:46 -0500 |
parents | 8c92b5e7fa4d a0abcf377ec5 |
children | bc31d9359cf9 |
rev | line source |
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2117 | 1 /* |
2 | |
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3 Copyright (C) 1996-2013 John W. Eaton |
2117 | 4 |
5 This file is part of Octave. | |
6 | |
7 Octave is free software; you can redistribute it and/or modify it | |
8 under the terms of the GNU General Public License as published by the | |
7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
10 option) any later version. | |
2117 | 11 |
12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 for more details. | |
16 | |
17 You should have received a copy of the GNU General Public License | |
7016 | 18 along with Octave; see the file COPYING. If not, see |
19 <http://www.gnu.org/licenses/>. | |
2117 | 20 |
21 */ | |
22 | |
23 #ifdef HAVE_CONFIG_H | |
24 #include <config.h> | |
25 #endif | |
26 | |
3268 | 27 #include <cassert> |
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28 #include <cctype> |
2215 | 29 #include <cstring> |
30 | |
3503 | 31 #include <iomanip> |
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32 #include <iostream> |
3559 | 33 #include <fstream> |
5765 | 34 #include <sstream> |
3535 | 35 #include <string> |
2117 | 36 |
4944 | 37 #include <Array.h> |
38 | |
39 #include "byte-swap.h" | |
2117 | 40 #include "lo-ieee.h" |
41 #include "lo-mappers.h" | |
42 #include "lo-utils.h" | |
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43 #include "quit.h" |
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44 #include "singleton-cleanup.h" |
2117 | 45 #include "str-vec.h" |
46 | |
47 #include "error.h" | |
7352 | 48 #include "gripes.h" |
3342 | 49 #include "input.h" |
3775 | 50 #include "oct-stdstrm.h" |
2117 | 51 #include "oct-stream.h" |
2877 | 52 #include "oct-obj.h" |
2117 | 53 #include "utils.h" |
54 | |
55 // Possible values for conv_err: | |
56 // | |
57 // 1 : not a real scalar | |
2902 | 58 // 2 : value is NaN |
59 // 3 : value is not an integer | |
2117 | 60 |
61 static int | |
62 convert_to_valid_int (const octave_value& tc, int& conv_err) | |
63 { | |
64 int retval = 0; | |
65 | |
66 conv_err = 0; | |
67 | |
2902 | 68 double dval = tc.double_value (); |
69 | |
70 if (! error_state) | |
2117 | 71 { |
5389 | 72 if (! lo_ieee_isnan (dval)) |
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73 { |
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74 int ival = NINT (dval); |
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75 |
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76 if (ival == dval) |
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77 retval = ival; |
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78 else |
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79 conv_err = 3; |
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80 } |
2117 | 81 else |
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82 conv_err = 2; |
2117 | 83 } |
84 else | |
85 conv_err = 1; | |
86 | |
87 return retval; | |
88 } | |
89 | |
90 static int | |
4468 | 91 get_size (double d, const std::string& who) |
2117 | 92 { |
93 int retval = -1; | |
94 | |
5389 | 95 if (! lo_ieee_isnan (d)) |
2117 | 96 { |
97 if (! xisinf (d)) | |
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98 { |
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99 if (d >= 0.0) |
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100 retval = NINT (d); |
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101 else |
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102 ::error ("%s: negative value invalid as size specification", |
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103 who.c_str ()); |
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104 } |
2117 | 105 else |
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106 retval = -1; |
2117 | 107 } |
108 else | |
4468 | 109 ::error ("%s: NaN is invalid as size specification", who.c_str ()); |
2117 | 110 |
111 return retval; | |
112 } | |
113 | |
114 static void | |
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115 get_size (const Array<double>& size, octave_idx_type& nr, octave_idx_type& nc, |
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116 bool& one_elt_size_spec, const std::string& who) |
2117 | 117 { |
118 nr = -1; | |
119 nc = -1; | |
120 | |
3268 | 121 one_elt_size_spec = false; |
122 | |
2117 | 123 double dnr = -1.0; |
124 double dnc = -1.0; | |
125 | |
5275 | 126 octave_idx_type sz_len = size.length (); |
3810 | 127 |
128 if (sz_len == 1) | |
2601 | 129 { |
3268 | 130 one_elt_size_spec = true; |
131 | |
3810 | 132 dnr = size (0); |
4293 | 133 |
134 dnc = (dnr == 0.0) ? 0.0 : 1.0; | |
2601 | 135 } |
3810 | 136 else if (sz_len == 2) |
2117 | 137 { |
3810 | 138 dnr = size (0); |
139 | |
140 if (! xisinf (dnr)) | |
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141 dnc = size (1); |
3810 | 142 else |
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143 ::error ("%s: invalid size specification", who.c_str ()); |
2117 | 144 } |
145 else | |
4468 | 146 ::error ("%s: invalid size specification", who.c_str ()); |
2117 | 147 |
148 if (! error_state) | |
149 { | |
4468 | 150 nr = get_size (dnr, who); |
2117 | 151 |
3268 | 152 if (! error_state && dnc >= 0.0) |
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153 nc = get_size (dnc, who); |
2117 | 154 } |
155 } | |
156 | |
3523 | 157 scanf_format_list::scanf_format_list (const std::string& s) |
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158 : nconv (0), curr_idx (0), list (dim_vector (16, 1)), buf (0) |
2117 | 159 { |
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160 octave_idx_type num_elts = 0; |
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161 |
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162 size_t n = s.length (); |
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163 |
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164 size_t i = 0; |
2117 | 165 |
2215 | 166 int width = 0; |
2117 | 167 bool discard = false; |
168 char modifier = '\0'; | |
169 char type = '\0'; | |
170 | |
171 bool have_more = true; | |
172 | |
173 while (i < n) | |
174 { | |
175 have_more = true; | |
176 | |
177 if (! buf) | |
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178 buf = new std::ostringstream (); |
2117 | 179 |
180 if (s[i] == '%') | |
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181 { |
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182 // Process percent-escape conversion type. |
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183 |
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184 process_conversion (s, i, n, width, discard, type, modifier, |
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185 num_elts); |
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186 |
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187 have_more = (buf != 0); |
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188 } |
3483 | 189 else if (isspace (s[i])) |
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190 { |
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191 type = scanf_format_elt::whitespace_conversion; |
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192 |
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193 width = 0; |
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194 discard = false; |
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195 modifier = '\0'; |
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196 *buf << " "; |
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197 |
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198 while (++i < n && isspace (s[i])) |
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199 /* skip whitespace */; |
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200 |
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201 add_elt_to_list (width, discard, type, modifier, num_elts); |
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202 |
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203 have_more = false; |
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204 } |
3483 | 205 else |
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206 { |
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207 type = scanf_format_elt::literal_conversion; |
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208 |
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209 width = 0; |
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210 discard = false; |
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211 modifier = '\0'; |
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212 |
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213 while (i < n && ! isspace (s[i]) && s[i] != '%') |
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214 *buf << s[i++]; |
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215 |
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216 add_elt_to_list (width, discard, type, modifier, num_elts); |
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217 |
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218 have_more = false; |
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219 } |
2117 | 220 |
221 if (nconv < 0) | |
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222 { |
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223 have_more = false; |
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224 break; |
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225 } |
2117 | 226 } |
227 | |
228 if (have_more) | |
2215 | 229 add_elt_to_list (width, discard, type, modifier, num_elts); |
2117 | 230 |
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231 list.resize (dim_vector (num_elts, 1)); |
2117 | 232 |
233 delete buf; | |
234 } | |
235 | |
236 scanf_format_list::~scanf_format_list (void) | |
237 { | |
5275 | 238 octave_idx_type n = list.length (); |
239 | |
240 for (octave_idx_type i = 0; i < n; i++) | |
2117 | 241 { |
3340 | 242 scanf_format_elt *elt = list(i); |
2117 | 243 delete elt; |
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244 } |
2117 | 245 } |
246 | |
247 void | |
2215 | 248 scanf_format_list::add_elt_to_list (int width, bool discard, char type, |
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249 char modifier, octave_idx_type& num_elts, |
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250 const std::string& char_class) |
2117 | 251 { |
252 if (buf) | |
253 { | |
5765 | 254 std::string text = buf->str (); |
4051 | 255 |
256 if (! text.empty ()) | |
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257 { |
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258 scanf_format_elt *elt |
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259 = new scanf_format_elt (text.c_str (), width, discard, type, |
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260 modifier, char_class); |
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261 |
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262 if (num_elts == list.length ()) |
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263 list.resize (dim_vector (2 * num_elts, 1)); |
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264 |
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265 list(num_elts++) = elt; |
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266 } |
2117 | 267 |
268 delete buf; | |
269 buf = 0; | |
270 } | |
271 } | |
272 | |
3535 | 273 static std::string |
3523 | 274 expand_char_class (const std::string& s) |
3483 | 275 { |
3523 | 276 std::string retval; |
3483 | 277 |
278 size_t len = s.length (); | |
279 | |
280 size_t i = 0; | |
281 | |
282 while (i < len) | |
283 { | |
284 unsigned char c = s[i++]; | |
285 | |
286 if (c == '-' && i > 1 && i < len | |
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287 && ( static_cast<unsigned char> (s[i-2]) |
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288 <= static_cast<unsigned char> (s[i]))) |
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289 { |
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290 // Add all characters from the range except the first (we |
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291 // already added it below). |
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292 |
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293 for (c = s[i-2]+1; c < s[i]; c++) |
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294 retval += c; |
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295 } |
3483 | 296 else |
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297 { |
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298 // Add the character to the class. Only add '-' if it is |
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299 // the last character in the class. |
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300 |
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301 if (c != '-' || i == len) |
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302 retval += c; |
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303 } |
3483 | 304 } |
305 | |
306 return retval; | |
307 } | |
308 | |
2117 | 309 void |
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310 scanf_format_list::process_conversion (const std::string& s, size_t& i, |
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311 size_t n, int& width, bool& discard, |
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312 char& type, char& modifier, |
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313 octave_idx_type& num_elts) |
2117 | 314 { |
2215 | 315 width = 0; |
2117 | 316 discard = false; |
317 modifier = '\0'; | |
318 type = '\0'; | |
319 | |
320 *buf << s[i++]; | |
321 | |
322 bool have_width = false; | |
323 | |
324 while (i < n) | |
325 { | |
326 switch (s[i]) | |
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327 { |
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328 case '*': |
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329 if (discard) |
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330 nconv = -1; |
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331 else |
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332 { |
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333 discard = true; |
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334 *buf << s[i++]; |
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335 } |
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336 break; |
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337 |
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338 case '0': case '1': case '2': case '3': case '4': |
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339 case '5': case '6': case '7': case '8': case '9': |
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340 if (have_width) |
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341 nconv = -1; |
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342 else |
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343 { |
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344 char c = s[i++]; |
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345 width = width * 10 + c - '0'; |
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346 have_width = true; |
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347 *buf << c; |
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348 while (i < n && isdigit (s[i])) |
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349 { |
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350 c = s[i++]; |
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351 width = width * 10 + c - '0'; |
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352 *buf << c; |
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353 } |
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354 } |
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355 break; |
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356 |
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357 case 'h': case 'l': case 'L': |
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358 if (modifier != '\0') |
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359 nconv = -1; |
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360 else |
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361 modifier = s[i++]; |
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362 break; |
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363 |
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364 case 'd': case 'i': case 'o': case 'u': case 'x': |
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365 if (modifier == 'L') |
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366 { |
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367 nconv = -1; |
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368 break; |
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369 } |
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370 goto fini; |
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371 |
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372 case 'e': case 'f': case 'g': |
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373 if (modifier == 'h') |
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374 { |
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375 nconv = -1; |
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376 break; |
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377 } |
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378 |
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379 // No float or long double conversions, thanks. |
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380 *buf << 'l'; |
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381 |
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382 goto fini; |
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383 |
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384 case 'c': case 's': case 'p': case '%': case '[': |
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385 if (modifier != '\0') |
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386 { |
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387 nconv = -1; |
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388 break; |
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389 } |
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390 goto fini; |
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391 |
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392 fini: |
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393 { |
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394 if (finish_conversion (s, i, n, width, discard, type, |
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395 modifier, num_elts) == 0) |
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396 return; |
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397 } |
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398 break; |
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399 |
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400 default: |
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401 nconv = -1; |
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402 break; |
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403 } |
2117 | 404 |
405 if (nconv < 0) | |
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406 break; |
2117 | 407 } |
408 | |
409 nconv = -1; | |
410 } | |
411 | |
412 int | |
10187
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413 scanf_format_list::finish_conversion (const std::string& s, size_t& i, |
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414 size_t n, int& width, bool discard, |
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415 char& type, char modifier, |
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416 octave_idx_type& num_elts) |
2117 | 417 { |
418 int retval = 0; | |
419 | |
3523 | 420 std::string char_class; |
3483 | 421 |
10187
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422 size_t beg_idx = std::string::npos; |
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423 size_t end_idx = std::string::npos; |
3640 | 424 |
2117 | 425 if (s[i] == '%') |
3640 | 426 { |
427 type = '%'; | |
428 *buf << s[i++]; | |
429 } | |
2117 | 430 else |
431 { | |
432 type = s[i]; | |
433 | |
434 if (s[i] == '[') | |
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435 { |
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436 *buf << s[i++]; |
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437 |
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438 if (i < n) |
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439 { |
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440 beg_idx = i; |
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441 |
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442 if (s[i] == '^') |
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443 { |
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444 type = '^'; |
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445 *buf << s[i++]; |
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446 |
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447 if (i < n) |
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448 { |
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449 beg_idx = i; |
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450 |
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451 if (s[i] == ']') |
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452 *buf << s[i++]; |
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453 } |
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454 } |
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455 else if (s[i] == ']') |
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456 *buf << s[i++]; |
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457 } |
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458 |
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459 while (i < n && s[i] != ']') |
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460 *buf << s[i++]; |
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461 |
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462 if (i < n && s[i] == ']') |
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463 { |
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464 end_idx = i-1; |
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465 *buf << s[i++]; |
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466 } |
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467 |
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468 if (s[i-1] != ']') |
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469 retval = nconv = -1; |
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470 } |
2117 | 471 else |
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472 *buf << s[i++]; |
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473 |
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474 nconv++; |
3640 | 475 } |
476 | |
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477 if (nconv >= 0) |
3640 | 478 { |
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479 if (beg_idx != std::string::npos && end_idx != std::string::npos) |
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480 char_class = expand_char_class (s.substr (beg_idx, |
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481 end_idx - beg_idx + 1)); |
3640 | 482 |
483 add_elt_to_list (width, discard, type, modifier, num_elts, char_class); | |
2117 | 484 } |
485 | |
486 return retval; | |
487 } | |
488 | |
489 void | |
490 scanf_format_list::printme (void) const | |
491 { | |
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492 octave_idx_type n = list.length (); |
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493 |
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494 for (octave_idx_type i = 0; i < n; i++) |
2117 | 495 { |
3340 | 496 scanf_format_elt *elt = list(i); |
2117 | 497 |
3531 | 498 std::cerr |
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499 << "width: " << elt->width << "\n" |
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500 << "discard: " << elt->discard << "\n" |
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501 << "type: "; |
3483 | 502 |
503 if (elt->type == scanf_format_elt::literal_conversion) | |
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504 std::cerr << "literal text\n"; |
3483 | 505 else if (elt->type == scanf_format_elt::whitespace_conversion) |
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506 std::cerr << "whitespace\n"; |
3483 | 507 else |
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508 std::cerr << elt->type << "\n"; |
3531 | 509 |
510 std::cerr | |
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511 << "modifier: " << elt->modifier << "\n" |
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512 << "char_class: '" << undo_string_escapes (elt->char_class) << "'\n" |
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513 << "text: '" << undo_string_escapes (elt->text) << "'\n\n"; |
2117 | 514 } |
515 } | |
516 | |
517 bool | |
518 scanf_format_list::all_character_conversions (void) | |
519 { | |
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520 octave_idx_type n = list.length (); |
2117 | 521 |
522 if (n > 0) | |
523 { | |
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524 for (octave_idx_type i = 0; i < n; i++) |
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525 { |
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526 scanf_format_elt *elt = list(i); |
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527 |
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528 switch (elt->type) |
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529 { |
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530 case 'c': case 's': case '%': case '[': case '^': |
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531 case scanf_format_elt::literal_conversion: |
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532 case scanf_format_elt::whitespace_conversion: |
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533 break; |
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534 |
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535 default: |
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536 return false; |
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537 break; |
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538 } |
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539 } |
2117 | 540 |
541 return true; | |
542 } | |
543 else | |
544 return false; | |
545 } | |
546 | |
547 bool | |
548 scanf_format_list::all_numeric_conversions (void) | |
549 { | |
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550 octave_idx_type n = list.length (); |
2117 | 551 |
552 if (n > 0) | |
553 { | |
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554 for (octave_idx_type i = 0; i < n; i++) |
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555 { |
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556 scanf_format_elt *elt = list(i); |
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557 |
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558 switch (elt->type) |
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559 { |
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560 case 'd': case 'i': case 'o': case 'u': case 'x': |
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561 case 'e': case 'f': case 'g': |
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562 break; |
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563 |
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564 default: |
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565 return false; |
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566 break; |
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567 } |
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568 } |
2117 | 569 |
570 return true; | |
571 } | |
572 else | |
573 return false; | |
574 } | |
575 | |
576 // Ugh again. | |
577 | |
3523 | 578 printf_format_list::printf_format_list (const std::string& s) |
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579 : nconv (0), curr_idx (0), list (dim_vector (16, 1)), buf (0) |
2117 | 580 { |
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581 octave_idx_type num_elts = 0; |
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582 |
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583 size_t n = s.length (); |
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584 |
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585 size_t i = 0; |
2117 | 586 |
587 int args = 0; | |
3643 | 588 std::string flags; |
3640 | 589 int fw = 0; |
590 int prec = 0; | |
2117 | 591 char modifier = '\0'; |
592 char type = '\0'; | |
593 | |
594 bool have_more = true; | |
3640 | 595 bool empty_buf = true; |
2117 | 596 |
4223 | 597 if (n == 0) |
2117 | 598 { |
4223 | 599 printf_format_elt *elt |
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600 = new printf_format_elt ("", args, fw, prec, flags, type, modifier); |
4223 | 601 |
602 list(num_elts++) = elt; | |
603 | |
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604 list.resize (dim_vector (num_elts, 1)); |
4223 | 605 } |
606 else | |
607 { | |
608 while (i < n) | |
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609 { |
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610 have_more = true; |
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611 |
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612 if (! buf) |
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613 { |
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614 buf = new std::ostringstream (); |
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615 empty_buf = true; |
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616 } |
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617 |
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618 switch (s[i]) |
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619 { |
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620 case '%': |
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621 { |
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622 if (empty_buf) |
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623 { |
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624 process_conversion (s, i, n, args, flags, fw, prec, |
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625 type, modifier, num_elts); |
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626 |
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627 have_more = (buf != 0); |
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628 } |
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629 else |
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630 add_elt_to_list (args, flags, fw, prec, type, modifier, |
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631 num_elts); |
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632 } |
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633 break; |
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634 |
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635 default: |
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636 { |
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637 args = 0; |
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638 flags = ""; |
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639 fw = 0; |
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640 prec = 0; |
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641 modifier = '\0'; |
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642 type = '\0'; |
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643 *buf << s[i++]; |
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644 empty_buf = false; |
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645 } |
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646 break; |
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647 } |
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648 |
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649 if (nconv < 0) |
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|
650 { |
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651 have_more = false; |
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652 break; |
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|
653 } |
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|
654 } |
2117 | 655 |
4223 | 656 if (have_more) |
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657 add_elt_to_list (args, flags, fw, prec, type, modifier, num_elts); |
4223 | 658 |
11574
a83bad07f7e3
attempt better backward compatibility for Array resize functions
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659 list.resize (dim_vector (num_elts, 1)); |
4223 | 660 |
661 delete buf; | |
2117 | 662 } |
663 } | |
664 | |
665 printf_format_list::~printf_format_list (void) | |
666 { | |
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diff
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|
667 octave_idx_type n = list.length (); |
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668 |
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10160
diff
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|
669 for (octave_idx_type i = 0; i < n; i++) |
2117 | 670 { |
3340 | 671 printf_format_elt *elt = list(i); |
2117 | 672 delete elt; |
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12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
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11574
diff
changeset
|
673 } |
2117 | 674 } |
675 | |
676 void | |
3640 | 677 printf_format_list::add_elt_to_list (int args, const std::string& flags, |
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678 int fw, int prec, char type, |
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679 char modifier, octave_idx_type& num_elts) |
2117 | 680 { |
681 if (buf) | |
682 { | |
5765 | 683 std::string text = buf->str (); |
4051 | 684 |
685 if (! text.empty ()) | |
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|
686 { |
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|
687 printf_format_elt *elt |
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688 = new printf_format_elt (text.c_str (), args, fw, prec, flags, |
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changeset
|
689 type, modifier); |
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diff
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|
690 |
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|
691 if (num_elts == list.length ()) |
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a83bad07f7e3
attempt better backward compatibility for Array resize functions
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diff
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|
692 list.resize (dim_vector (2 * num_elts, 1)); |
10315
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untabify src C++ source files
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|
693 |
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694 list(num_elts++) = elt; |
57a59eae83cc
untabify src C++ source files
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|
695 } |
2117 | 696 |
697 delete buf; | |
698 buf = 0; | |
699 } | |
700 } | |
701 | |
702 void | |
17787
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Use GNU style coding conventions for code in libinterp/
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diff
changeset
|
703 printf_format_list::process_conversion (const std::string& s, size_t& i, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
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diff
changeset
|
704 size_t n, int& args, std::string& flags, |
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Use GNU style coding conventions for code in libinterp/
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17744
diff
changeset
|
705 int& fw, int& prec, char& modifier, |
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Use GNU style coding conventions for code in libinterp/
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diff
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|
706 char& type, octave_idx_type& num_elts) |
2117 | 707 { |
708 args = 0; | |
3640 | 709 flags = ""; |
710 fw = 0; | |
711 prec = 0; | |
2117 | 712 modifier = '\0'; |
713 type = '\0'; | |
714 | |
715 *buf << s[i++]; | |
716 | |
4587 | 717 bool nxt = false; |
2117 | 718 |
719 while (i < n) | |
720 { | |
721 switch (s[i]) | |
10315
57a59eae83cc
untabify src C++ source files
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diff
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|
722 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
723 case '-': case '+': case ' ': case '0': case '#': |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
724 flags += s[i]; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
725 *buf << s[i++]; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
726 break; |
57a59eae83cc
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diff
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|
727 |
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|
728 default: |
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|
729 nxt = true; |
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|
730 break; |
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|
731 } |
2117 | 732 |
4587 | 733 if (nxt) |
10315
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untabify src C++ source files
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diff
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|
734 break; |
2117 | 735 } |
736 | |
737 if (i < n) | |
738 { | |
739 if (s[i] == '*') | |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
740 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
741 fw = -1; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
742 args++; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
743 *buf << s[i++]; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
744 } |
2117 | 745 else |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
746 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
747 if (isdigit (s[i])) |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
748 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
749 int nn = 0; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
750 std::string tmp = s.substr (i); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
751 sscanf (tmp.c_str (), "%d%n", &fw, &nn); |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
752 } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
753 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
754 while (i < n && isdigit (s[i])) |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
755 *buf << s[i++]; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
756 } |
2117 | 757 } |
758 | |
759 if (i < n && s[i] == '.') | |
760 { | |
761 *buf << s[i++]; | |
762 | |
763 if (i < n) | |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
764 { |
57a59eae83cc
untabify src C++ source files
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changeset
|
765 if (s[i] == '*') |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
766 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
767 prec = -1; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
768 args++; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
769 *buf << s[i++]; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
770 } |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
771 else |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
772 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
773 if (isdigit (s[i])) |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
774 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
775 int nn = 0; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
776 std::string tmp = s.substr (i); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
777 sscanf (tmp.c_str (), "%d%n", &prec, &nn); |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
778 } |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
779 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
780 while (i < n && isdigit (s[i])) |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
781 *buf << s[i++]; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
782 } |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
783 } |
2117 | 784 } |
785 | |
786 if (i < n) | |
787 { | |
788 switch (s[i]) | |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
789 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
790 case 'h': case 'l': case 'L': |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
791 modifier = s[i]; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
792 *buf << s[i++]; |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
793 break; |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
794 |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
795 default: |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
796 break; |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
797 } |
2117 | 798 } |
799 | |
800 if (i < n) | |
3640 | 801 finish_conversion (s, i, args, flags, fw, prec, modifier, type, num_elts); |
2117 | 802 else |
803 nconv = -1; | |
804 } | |
805 | |
806 void | |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
807 printf_format_list::finish_conversion (const std::string& s, size_t& i, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
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parents:
17744
diff
changeset
|
808 int args, const std::string& flags, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
809 int fw, int prec, char modifier, |
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Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
810 char& type, octave_idx_type& num_elts) |
2117 | 811 { |
812 switch (s[i]) | |
813 { | |
814 case 'd': case 'i': case 'o': case 'x': case 'X': | |
815 case 'u': case 'c': | |
816 if (modifier == 'L') | |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
817 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
818 nconv = -1; |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
819 break; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
820 } |
2117 | 821 goto fini; |
822 | |
823 case 'f': case 'e': case 'E': case 'g': case 'G': | |
824 if (modifier == 'h' || modifier == 'l') | |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
825 { |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
826 nconv = -1; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
827 break; |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
828 } |
2117 | 829 goto fini; |
830 | |
831 case 's': case 'p': case '%': | |
832 if (modifier != '\0') | |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
833 { |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
834 nconv = -1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
835 break; |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
836 } |
2117 | 837 goto fini; |
838 | |
839 fini: | |
840 | |
3640 | 841 type = s[i]; |
842 | |
843 *buf << s[i++]; | |
844 | |
845 if (type != '%' || args != 0) | |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
846 nconv++; |
3640 | 847 |
848 if (type != '%') | |
10315
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untabify src C++ source files
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diff
changeset
|
849 args++; |
3640 | 850 |
851 add_elt_to_list (args, flags, fw, prec, type, modifier, num_elts); | |
852 | |
2117 | 853 break; |
854 | |
855 default: | |
856 nconv = -1; | |
857 break; | |
858 } | |
859 } | |
860 | |
861 void | |
862 printf_format_list::printme (void) const | |
863 { | |
864 int n = list.length (); | |
865 | |
866 for (int i = 0; i < n; i++) | |
867 { | |
3340 | 868 printf_format_elt *elt = list(i); |
2117 | 869 |
3640 | 870 std::cerr |
10315
57a59eae83cc
untabify src C++ source files
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changeset
|
871 << "args: " << elt->args << "\n" |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
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parents:
14138
diff
changeset
|
872 << "flags: '" << elt->flags << "'\n" |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
873 << "width: " << elt->fw << "\n" |
57a59eae83cc
untabify src C++ source files
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changeset
|
874 << "prec: " << elt->prec << "\n" |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
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|
875 << "type: '" << elt->type << "'\n" |
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|
876 << "modifier: '" << elt->modifier << "'\n" |
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877 << "text: '" << undo_string_escapes (elt->text) << "'\n\n"; |
2117 | 878 } |
879 } | |
880 | |
881 void | |
3523 | 882 octave_base_stream::error (const std::string& msg) |
2117 | 883 { |
884 fail = true; | |
885 errmsg = msg; | |
886 } | |
887 | |
888 void | |
4468 | 889 octave_base_stream::error (const std::string& who, const std::string& msg) |
890 { | |
891 fail = true; | |
6296 | 892 errmsg = who + ": " + msg; |
4468 | 893 } |
894 | |
895 void | |
2117 | 896 octave_base_stream::clear (void) |
897 { | |
4889 | 898 fail = false; |
899 errmsg = ""; | |
900 } | |
901 | |
902 void | |
903 octave_base_stream::clearerr (void) | |
904 { | |
4888 | 905 std::istream *is = input_stream (); |
906 std::ostream *os = output_stream (); | |
907 | |
908 if (is) | |
909 is->clear (); | |
910 | |
911 if (os) | |
912 os->clear (); | |
2117 | 913 } |
914 | |
915 // Functions that are defined for all input streams (input streams | |
916 // are those that define is). | |
917 | |
3536 | 918 std::string |
5275 | 919 octave_base_stream::do_gets (octave_idx_type max_len, bool& err, |
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920 bool strip_newline, const std::string& who) |
2117 | 921 { |
3523 | 922 std::string retval; |
2117 | 923 |
8773
9e3111d203c0
disallow reading from stdin while running interactively
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924 if ((interactive || forced_interactive) && file_number () == 0) |
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|
925 { |
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926 ::error ("%s: unable to read from stdin while running interactively", |
10315
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927 who.c_str ()); |
11586
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|
928 |
8773
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929 return retval; |
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|
930 } |
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931 |
2117 | 932 err = false; |
933 | |
3523 | 934 std::istream *isp = input_stream (); |
2117 | 935 |
936 if (isp) | |
937 { | |
3523 | 938 std::istream& is = *isp; |
2117 | 939 |
5765 | 940 std::ostringstream buf; |
2117 | 941 |
942 int c = 0; | |
3553 | 943 int char_count = 0; |
6345 | 944 |
945 if (max_len != 0) | |
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946 { |
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947 while (is && (c = is.get ()) != EOF) |
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948 { |
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949 char_count++; |
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950 |
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951 // Handle CRLF, CR, or LF as line ending. |
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952 |
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953 if (c == '\r') |
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954 { |
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955 if (! strip_newline) |
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956 buf << static_cast<char> (c); |
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957 |
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958 c = is.get (); |
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959 |
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960 if (c != EOF) |
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961 { |
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962 if (c == '\n') |
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963 { |
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964 char_count++; |
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965 |
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966 if (! strip_newline) |
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967 buf << static_cast<char> (c); |
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968 } |
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969 else |
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970 is.putback (c); |
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971 } |
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972 |
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973 break; |
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974 } |
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975 else if (c == '\n') |
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976 { |
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977 if (! strip_newline) |
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978 buf << static_cast<char> (c); |
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979 |
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980 break; |
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981 } |
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982 else |
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983 buf << static_cast<char> (c); |
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984 |
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985 if (max_len > 0 && char_count == max_len) |
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986 break; |
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|
987 } |
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988 } |
6345 | 989 |
990 if (! is.eof () && char_count > 0) | |
10315
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991 { |
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992 // GAGME. Matlab seems to check for EOF even if the last |
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993 // character in a file is a newline character. This is NOT |
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994 // what the corresponding C-library functions do. |
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995 int disgusting_compatibility_hack = is.get (); |
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996 if (! is.eof ()) |
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997 is.putback (disgusting_compatibility_hack); |
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998 } |
2117 | 999 |
4224 | 1000 if (is.good () || (is.eof () && char_count > 0)) |
10315
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1001 retval = buf.str (); |
4224 | 1002 else |
10315
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1003 { |
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1004 err = true; |
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1005 |
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1006 if (is.eof () && char_count == 0) |
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1007 error (who, "at end of file"); |
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1008 else |
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1009 error (who, "read error"); |
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1010 } |
2117 | 1011 } |
1012 else | |
1013 { | |
1014 err = true; | |
4468 | 1015 invalid_operation (who, "reading"); |
2117 | 1016 } |
1017 | |
1018 return retval; | |
1019 } | |
1020 | |
3536 | 1021 std::string |
17787
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1022 octave_base_stream::getl (octave_idx_type max_len, bool& err, |
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1023 const std::string& who) |
2117 | 1024 { |
4468 | 1025 return do_gets (max_len, err, true, who); |
2117 | 1026 } |
1027 | |
3536 | 1028 std::string |
17787
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1029 octave_base_stream::gets (octave_idx_type max_len, bool& err, |
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1030 const std::string& who) |
2117 | 1031 { |
4468 | 1032 return do_gets (max_len, err, false, who); |
2117 | 1033 } |
1034 | |
16011
8122286c69a9
initial large file support for 32-bit systems
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1035 off_t |
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|
1036 octave_base_stream::skipl (off_t num, bool& err, const std::string& who) |
9701 | 1037 { |
16011
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1038 off_t cnt = -1; |
9701 | 1039 |
1040 if ((interactive || forced_interactive) && file_number () == 0) | |
1041 { | |
1042 ::error ("%s: unable to read from stdin while running interactively", | |
10315
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1043 who.c_str ()); |
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1044 |
9701 | 1045 return count; |
1046 } | |
1047 | |
1048 err = false; | |
1049 | |
1050 std::istream *isp = input_stream (); | |
1051 | |
1052 if (isp) | |
1053 { | |
1054 std::istream& is = *isp; | |
1055 | |
18099
6a71e5030df5
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1056 int c = 0; |
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1057 int lastc = -1; |
9701 | 1058 cnt = 0; |
1059 | |
1060 while (is && (c = is.get ()) != EOF) | |
1061 { | |
1062 // Handle CRLF, CR, or LF as line ending. | |
1063 | |
1064 if (c == '\r' || (c == '\n' && lastc != '\r')) | |
1065 { | |
1066 if (++cnt == num) | |
1067 break; | |
1068 } | |
1069 | |
1070 lastc = c; | |
1071 } | |
1072 | |
1073 // Maybe eat the following \n if \r was just met. | |
1074 if (c == '\r' && is.peek () == '\n') | |
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1075 is.get (); |
9701 | 1076 |
1077 if (is.bad ()) | |
1078 { | |
1079 err = true; | |
1080 error (who, "read error"); | |
1081 } | |
1082 | |
1083 if (err) | |
1084 cnt = -1; | |
1085 } | |
1086 else | |
1087 { | |
1088 err = true; | |
1089 invalid_operation (who, "reading"); | |
1090 } | |
1091 | |
1092 return cnt; | |
1093 } | |
1094 | |
3640 | 1095 #define OCTAVE_SCAN(is, fmt, arg) octave_scan (is, fmt, arg) |
3636 | 1096 |
1097 template <class T> | |
1098 std::istream& | |
6767 | 1099 octave_scan_1 (std::istream& is, const scanf_format_elt& fmt, T* valptr) |
3636 | 1100 { |
3779 | 1101 T& ref = *valptr; |
1102 | |
1103 switch (fmt.type) | |
1104 { | |
1105 case 'o': | |
4926 | 1106 is >> std::oct >> ref >> std::dec; |
3779 | 1107 break; |
1108 | |
1109 case 'x': | |
4926 | 1110 is >> std::hex >> ref >> std::dec; |
1111 break; | |
1112 | |
1113 case 'i': | |
1114 { | |
14675
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1115 int c1 = EOF; |
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1116 |
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1117 while (is && (c1 = is.get ()) != EOF && isspace (c1)) |
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1118 /* skip whitespace */; |
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1119 |
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1120 if (c1 != EOF) |
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1121 { |
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1122 if (c1 == '0') |
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1123 { |
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1124 int c2 = is.peek (); |
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1125 |
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1126 if (c2 == 'x' || c2 == 'X') |
7709
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1127 { |
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1128 is.ignore (); |
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|
1129 if (std::isxdigit (is.peek ())) |
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octave_scan_1: fix reading of hex numbers
Jaroslav Hajek <highegg@gmail.com>
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1130 is >> std::hex >> ref >> std::dec; |
fa41af732801
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|
1131 else |
fa41af732801
octave_scan_1: fix reading of hex numbers
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changeset
|
1132 ref = 0; |
fa41af732801
octave_scan_1: fix reading of hex numbers
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diff
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|
1133 } |
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1134 else |
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1135 { |
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1136 if (c2 == '0' || c2 == '1' || c2 == '2' |
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1137 || c2 == '3' || c2 == '4' || c2 == '5' |
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1138 || c2 == '6' || c2 == '7') |
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1139 is >> std::oct >> ref >> std::dec; |
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1140 else |
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1141 ref = 0; |
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1142 } |
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1143 } |
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1144 else |
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1145 { |
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1146 is.putback (c1); |
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1147 |
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1148 is >> ref; |
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1149 } |
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1150 } |
4926 | 1151 } |
3779 | 1152 break; |
1153 | |
1154 default: | |
1155 is >> ref; | |
1156 break; | |
1157 } | |
3639 | 1158 |
3638 | 1159 return is; |
3636 | 1160 } |
1161 | |
6767 | 1162 template <class T> |
1163 std::istream& | |
1164 octave_scan (std::istream& is, const scanf_format_elt& fmt, T* valptr) | |
1165 { | |
1166 if (fmt.width) | |
1167 { | |
1168 // Limit input to fmt.width characters by reading into a | |
1169 // temporary stringstream buffer. | |
1170 | |
1171 std::string tmp; | |
1172 | |
1173 is.width (fmt.width); | |
1174 is >> tmp; | |
1175 | |
1176 std::istringstream ss (tmp); | |
1177 | |
1178 octave_scan_1 (ss, fmt, valptr); | |
1179 } | |
1180 else | |
1181 octave_scan_1 (is, fmt, valptr); | |
1182 | |
1183 return is; | |
1184 } | |
1185 | |
11586
12df7854fa7c
strip trailing whitespace from source files
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11574
diff
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|
1186 // Note that this specialization is only used for reading characters, not |
3779 | 1187 // character strings. See BEGIN_S_CONVERSION for details. |
1188 | |
1189 template<> | |
1190 std::istream& | |
4661 | 1191 octave_scan<> (std::istream& is, const scanf_format_elt& /* fmt */, |
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1192 char* valptr) |
3779 | 1193 { |
1194 return is >> valptr; | |
1195 } | |
3636 | 1196 |
5403 | 1197 template<> |
5176 | 1198 std::istream& |
5403 | 1199 octave_scan<> (std::istream& is, const scanf_format_elt& fmt, double* valptr) |
5176 | 1200 { |
1201 double& ref = *valptr; | |
1202 | |
1203 switch (fmt.type) | |
1204 { | |
1205 case 'e': | |
1206 case 'f': | |
1207 case 'g': | |
1208 { | |
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1209 int c1 = EOF; |
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1210 |
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1211 while (is && (c1 = is.get ()) != EOF && isspace (c1)) |
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1212 /* skip whitespace */; |
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1213 |
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1214 if (c1 != EOF) |
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1215 { |
12936
b74cb659e757
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|
1216 is.putback (c1); |
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|
1217 |
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|
1218 ref = octave_read_value<double> (is); |
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1219 } |
5176 | 1220 } |
1221 break; | |
1222 | |
1223 default: | |
1224 panic_impossible (); | |
1225 break; | |
1226 } | |
1227 | |
1228 return is; | |
1229 } | |
1230 | |
2572 | 1231 template <class T> |
1232 void | |
3636 | 1233 do_scanf_conv (std::istream& is, const scanf_format_elt& fmt, |
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1234 T valptr, Matrix& mval, double *data, octave_idx_type& idx, |
17787
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Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
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diff
changeset
|
1235 octave_idx_type& conversion_count, octave_idx_type nr, |
175b392e91fe
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Rik <rik@octave.org>
parents:
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diff
changeset
|
1236 octave_idx_type max_size, bool discard) |
2572 | 1237 { |
3640 | 1238 OCTAVE_SCAN (is, fmt, valptr); |
2572 | 1239 |
1240 if (is) | |
1241 { | |
1242 if (idx == max_size && ! discard) | |
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1243 { |
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|
1244 max_size *= 2; |
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1245 |
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1246 if (nr > 0) |
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1247 mval.resize (nr, max_size / nr, 0.0); |
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1248 else |
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|
1249 mval.resize (max_size, 1, 0.0); |
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1250 |
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1251 data = mval.fortran_vec (); |
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|
1252 } |
2572 | 1253 |
1254 if (! discard) | |
10315
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|
1255 { |
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|
1256 conversion_count++; |
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1257 data[idx++] = *(valptr); |
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untabify src C++ source files
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|
1258 } |
2572 | 1259 } |
1260 } | |
1261 | |
1262 template void | |
3636 | 1263 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
|
1264 Matrix&, double*, octave_idx_type&, octave_idx_type&, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
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diff
changeset
|
1265 octave_idx_type, octave_idx_type, bool); |
2572 | 1266 |
3483 | 1267 #define DO_WHITESPACE_CONVERSION() \ |
1268 do \ | |
1269 { \ | |
1270 int c = EOF; \ | |
1271 \ | |
1272 while (is && (c = is.get ()) != EOF && isspace (c)) \ | |
10315
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untabify src C++ source files
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|
1273 /* skip whitespace */; \ |
3483 | 1274 \ |
1275 if (c != EOF) \ | |
10315
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changeset
|
1276 is.putback (c); \ |
3483 | 1277 } \ |
1278 while (0) | |
1279 | |
1280 #define DO_LITERAL_CONVERSION() \ | |
1281 do \ | |
1282 { \ | |
1283 int c = EOF; \ | |
1284 \ | |
1285 int n = strlen (fmt); \ | |
1286 int i = 0; \ | |
1287 \ | |
1288 while (i < n && is && (c = is.get ()) != EOF) \ | |
10315
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untabify src C++ source files
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|
1289 { \ |
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1290 if (c == static_cast<unsigned char> (fmt[i])) \ |
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|
1291 { \ |
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|
1292 i++; \ |
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|
1293 continue; \ |
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|
1294 } \ |
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1295 else \ |
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|
1296 { \ |
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1297 is.putback (c); \ |
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1298 break; \ |
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|
1299 } \ |
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1300 } \ |
3483 | 1301 \ |
1302 if (i != n) \ | |
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|
1303 is.setstate (std::ios::failbit); \ |
3483 | 1304 } \ |
1305 while (0) | |
1306 | |
3640 | 1307 #define DO_PCT_CONVERSION() \ |
1308 do \ | |
1309 { \ | |
1310 int c = is.get (); \ | |
1311 \ | |
1312 if (c != EOF) \ | |
10315
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|
1313 { \ |
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1314 if (c != '%') \ |
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1315 { \ |
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|
1316 is.putback (c); \ |
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1317 is.setstate (std::ios::failbit); \ |
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1318 } \ |
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1319 } \ |
3640 | 1320 else \ |
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changeset
|
1321 is.setstate (std::ios::failbit); \ |
3640 | 1322 } \ |
1323 while (0) | |
1324 | |
3483 | 1325 #define BEGIN_C_CONVERSION() \ |
3538 | 1326 is.unsetf (std::ios::skipws); \ |
3483 | 1327 \ |
1328 int width = elt->width ? elt->width : 1; \ | |
1329 \ | |
9952
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allow scanf to store ASCII NUL values
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diff
changeset
|
1330 std::string tmp (width, '\0'); \ |
3483 | 1331 \ |
1332 int c = EOF; \ | |
1333 int n = 0; \ | |
1334 \ | |
1335 while (is && n < width && (c = is.get ()) != EOF) \ | |
9952
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allow scanf to store ASCII NUL values
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changeset
|
1336 tmp[n++] = static_cast<char> (c); \ |
3483 | 1337 \ |
5266 | 1338 if (n > 0 && c == EOF) \ |
12984
7626f8934466
correctly resize scanf output for %c formats (bug #34037)
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diff
changeset
|
1339 is.clear (); \ |
7626f8934466
correctly resize scanf output for %c formats (bug #34037)
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diff
changeset
|
1340 \ |
7626f8934466
correctly resize scanf output for %c formats (bug #34037)
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diff
changeset
|
1341 tmp.resize (n) |
3483 | 1342 |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
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14138
diff
changeset
|
1343 // For a '%s' format, skip initial whitespace and then read until the |
5338 | 1344 // next whitespace character or until WIDTH characters have been read. |
3483 | 1345 #define BEGIN_S_CONVERSION() \ |
1346 int width = elt->width; \ | |
1347 \ | |
4051 | 1348 std::string tmp; \ |
3483 | 1349 \ |
1350 do \ | |
1351 { \ | |
1352 if (width) \ | |
5338 | 1353 { \ |
10076 | 1354 tmp = std::string (width, '\0'); \ |
5338 | 1355 \ |
1356 int c = EOF; \ | |
1357 \ | |
1358 int n = 0; \ | |
1359 \ | |
1360 while (is && (c = is.get ()) != EOF) \ | |
1361 { \ | |
1362 if (! isspace (c)) \ | |
1363 { \ | |
9952
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allow scanf to store ASCII NUL values
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changeset
|
1364 tmp[n++] = static_cast<char> (c); \ |
5338 | 1365 break; \ |
1366 } \ | |
1367 } \ | |
4051 | 1368 \ |
5338 | 1369 while (is && n < width && (c = is.get ()) != EOF) \ |
1370 { \ | |
1371 if (isspace (c)) \ | |
1372 { \ | |
1373 is.putback (c); \ | |
1374 break; \ | |
1375 } \ | |
1376 else \ | |
9952
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allow scanf to store ASCII NUL values
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changeset
|
1377 tmp[n++] = static_cast<char> (c); \ |
5338 | 1378 } \ |
3483 | 1379 \ |
5338 | 1380 if (n > 0 && c == EOF) \ |
1381 is.clear (); \ | |
1382 \ | |
9952
7cd2e1b372e5
allow scanf to store ASCII NUL values
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changeset
|
1383 tmp.resize (n); \ |
5338 | 1384 } \ |
3483 | 1385 else \ |
5338 | 1386 { \ |
1387 is >> std::ws >> tmp; \ | |
1388 } \ | |
3483 | 1389 } \ |
1390 while (0) | |
1391 | |
1392 // This format must match a nonempty sequence of characters. | |
1393 #define BEGIN_CHAR_CLASS_CONVERSION() \ | |
1394 int width = elt->width; \ | |
1395 \ | |
4051 | 1396 std::string tmp; \ |
3483 | 1397 \ |
1398 do \ | |
1399 { \ | |
7426 | 1400 if (! width) \ |
15215
9020dddc925a
use std::numeric_limits for integer max and min values
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15195
diff
changeset
|
1401 width = std::numeric_limits<int>::max (); \ |
7427 | 1402 \ |
7426 | 1403 std::ostringstream buf; \ |
1404 \ | |
1405 std::string char_class = elt->char_class; \ | |
4051 | 1406 \ |
7426 | 1407 int c = EOF; \ |
3483 | 1408 \ |
7426 | 1409 if (elt->type == '[') \ |
1410 { \ | |
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1411 int chars_read = 0; \ |
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1412 while (is && chars_read++ < width && (c = is.get ()) != EOF \ |
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1413 && char_class.find (c) != std::string::npos) \ |
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1414 buf << static_cast<char> (c); \ |
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1415 } \ |
3483 | 1416 else \ |
10315
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|
1417 { \ |
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1418 int chars_read = 0; \ |
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1419 while (is && chars_read++ < width && (c = is.get ()) != EOF \ |
57a59eae83cc
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1420 && char_class.find (c) == std::string::npos) \ |
57a59eae83cc
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1421 buf << static_cast<char> (c); \ |
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|
1422 } \ |
3483 | 1423 \ |
15215
9020dddc925a
use std::numeric_limits for integer max and min values
John W. Eaton <jwe@octave.org>
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1424 if (width == std::numeric_limits<int>::max () && c != EOF) \ |
10315
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|
1425 is.putback (c); \ |
3483 | 1426 \ |
7426 | 1427 tmp = buf.str (); \ |
3483 | 1428 \ |
7426 | 1429 if (tmp.empty ()) \ |
1430 is.setstate (std::ios::failbit); \ | |
10969
da355a1a6d44
fix scanf char class conversion bug
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1431 else if (c == EOF) \ |
da355a1a6d44
fix scanf char class conversion bug
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diff
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|
1432 is.clear (); \ |
da355a1a6d44
fix scanf char class conversion bug
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diff
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|
1433 \ |
3483 | 1434 } \ |
1435 while (0) | |
1436 | |
3410 | 1437 #define FINISH_CHARACTER_CONVERSION() \ |
1438 do \ | |
1439 { \ | |
4051 | 1440 width = tmp.length (); \ |
3410 | 1441 \ |
1442 if (is) \ | |
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1443 { \ |
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1444 int i = 0; \ |
3410 | 1445 \ |
10315
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1446 if (! discard) \ |
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|
1447 { \ |
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|
1448 conversion_count++; \ |
3410 | 1449 \ |
10315
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|
1450 while (i < width) \ |
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1451 { \ |
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1452 if (data_index == max_size) \ |
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1453 { \ |
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1454 max_size *= 2; \ |
3410 | 1455 \ |
10315
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1456 if (all_char_conv) \ |
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1457 { \ |
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|
1458 if (one_elt_size_spec) \ |
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1459 mval.resize (1, max_size, 0.0); \ |
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1460 else if (nr > 0) \ |
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|
1461 mval.resize (nr, max_size / nr, 0.0); \ |
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1462 else \ |
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|
1463 panic_impossible (); \ |
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|
1464 } \ |
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|
1465 else if (nr > 0) \ |
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|
1466 mval.resize (nr, max_size / nr, 0.0); \ |
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|
1467 else \ |
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1468 mval.resize (max_size, 1, 0.0); \ |
3410 | 1469 \ |
10315
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1470 data = mval.fortran_vec (); \ |
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1471 } \ |
3410 | 1472 \ |
10315
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1473 data[data_index++] = tmp[i++]; \ |
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|
1474 } \ |
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|
1475 } \ |
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|
1476 } \ |
3410 | 1477 } \ |
1478 while (0) | |
2117 | 1479 |
1480 octave_value | |
1481 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>
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diff
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|
1482 octave_idx_type nr, octave_idx_type nc, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
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|
1483 bool one_elt_size_spec, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
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|
1484 octave_idx_type& conversion_count, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
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|
1485 const std::string& who) |
2117 | 1486 { |
8773
9e3111d203c0
disallow reading from stdin while running interactively
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|
1487 octave_value retval = Matrix (); |
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|
1488 |
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|
1489 if ((interactive || forced_interactive) && file_number () == 0) |
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|
1490 { |
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|
1491 ::error ("%s: unable to read from stdin while running interactively", |
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|
1492 who.c_str ()); |
11586
12df7854fa7c
strip trailing whitespace from source files
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|
1493 |
8773
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|
1494 return retval; |
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|
1495 } |
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|
1496 |
3268 | 1497 conversion_count = 0; |
1498 | |
10187
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|
1499 octave_idx_type nconv = fmt_list.num_conversions (); |
3640 | 1500 |
5275 | 1501 octave_idx_type data_index = 0; |
2121 | 1502 |
3268 | 1503 if (nr == 0 || nc == 0) |
1504 { | |
1505 if (one_elt_size_spec) | |
10315
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|
1506 nc = 0; |
3268 | 1507 |
1508 return Matrix (nr, nc, 0.0); | |
1509 } | |
1510 | |
3523 | 1511 std::istream *isp = input_stream (); |
2117 | 1512 |
1513 bool all_char_conv = fmt_list.all_character_conversions (); | |
1514 | |
1515 Matrix mval; | |
1516 double *data = 0; | |
5275 | 1517 octave_idx_type max_size = 0; |
1518 octave_idx_type max_conv = 0; | |
1519 | |
1520 octave_idx_type final_nr = 0; | |
1521 octave_idx_type final_nc = 0; | |
2117 | 1522 |
3268 | 1523 if (all_char_conv) |
1524 { | |
4420 | 1525 // Any of these could be resized later (if we have %s |
1526 // conversions, we may read more than one element for each | |
1527 // conversion). | |
1528 | |
3268 | 1529 if (one_elt_size_spec) |
10315
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|
1530 { |
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|
1531 max_size = 512; |
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|
1532 mval.resize (1, max_size, 0.0); |
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|
1533 |
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|
1534 if (nr > 0) |
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|
1535 max_conv = nr; |
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|
1536 } |
4420 | 1537 else if (nr > 0) |
10315
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|
1538 { |
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|
1539 if (nc > 0) |
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|
1540 { |
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|
1541 mval.resize (nr, nc, 0.0); |
57a59eae83cc
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|
1542 max_size = max_conv = nr * nc; |
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|
1543 } |
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|
1544 else |
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|
1545 { |
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|
1546 mval.resize (nr, 32, 0.0); |
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|
1547 max_size = nr * 32; |
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|
1548 } |
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|
1549 } |
4420 | 1550 else |
10315
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|
1551 panic_impossible (); |
3268 | 1552 } |
1553 else if (nr > 0) | |
2117 | 1554 { |
1555 if (nc > 0) | |
10315
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|
1556 { |
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|
1557 // Will not resize later. |
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|
1558 mval.resize (nr, nc, 0.0); |
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|
1559 max_size = nr * nc; |
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|
1560 max_conv = max_size; |
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|
1561 } |
2117 | 1562 else |
10315
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|
1563 { |
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|
1564 // Maybe resize later. |
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|
1565 mval.resize (nr, 32, 0.0); |
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|
1566 max_size = nr * 32; |
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|
1567 } |
2117 | 1568 } |
1569 else | |
1570 { | |
4420 | 1571 // Maybe resize later. |
2117 | 1572 mval.resize (32, 1, 0.0); |
1573 max_size = 32; | |
1574 } | |
1575 | |
4420 | 1576 data = mval.fortran_vec (); |
1577 | |
2117 | 1578 if (isp) |
1579 { | |
3523 | 1580 std::istream& is = *isp; |
2117 | 1581 |
1582 const scanf_format_elt *elt = fmt_list.first (); | |
1583 | |
3538 | 1584 std::ios::fmtflags flags = is.flags (); |
2213 | 1585 |
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|
1586 octave_idx_type trips = 0; |
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1587 |
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|
1588 octave_idx_type num_fmt_elts = fmt_list.length (); |
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1589 |
2117 | 1590 for (;;) |
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|
1591 { |
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|
1592 octave_quit (); |
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|
1593 |
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|
1594 if (elt) |
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|
1595 { |
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1596 if (! (elt->type == scanf_format_elt::whitespace_conversion |
10187
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|
1597 || elt->type == scanf_format_elt::literal_conversion |
a44d15813a39
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|
1598 || elt->type == '%') |
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changeset
|
1599 && max_conv > 0 && conversion_count == max_conv) |
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1600 { |
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1601 if (all_char_conv && one_elt_size_spec) |
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|
1602 { |
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|
1603 final_nr = 1; |
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|
1604 final_nc = data_index; |
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changeset
|
1605 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1606 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1607 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1608 final_nr = nr; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1609 final_nc = (data_index - 1) / nr + 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1610 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1611 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1612 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1613 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1614 else if (data_index == max_size) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1615 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1616 max_size *= 2; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1617 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1618 if (all_char_conv) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1619 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1620 if (one_elt_size_spec) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1621 mval.resize (1, max_size, 0.0); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1622 else if (nr > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1623 mval.resize (nr, max_size / nr, 0.0); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1624 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1625 panic_impossible (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1626 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1627 else if (nr > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1628 mval.resize (nr, max_size / nr, 0.0); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1629 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1630 mval.resize (max_size, 1, 0.0); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1631 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1632 data = mval.fortran_vec (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1633 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1634 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1635 const char *fmt = elt->text; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1636 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1637 bool discard = elt->discard; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1638 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1639 switch (elt->type) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1640 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1641 case scanf_format_elt::whitespace_conversion: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1642 DO_WHITESPACE_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1643 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1644 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1645 case scanf_format_elt::literal_conversion: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1646 DO_LITERAL_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1647 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1648 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1649 case '%': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1650 DO_PCT_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1651 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1652 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1653 case 'd': case 'i': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1654 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1655 switch (elt->modifier) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1656 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1657 case 'h': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1658 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1659 short int tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1660 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1661 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1662 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1663 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1664 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1665 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1666 case 'l': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1667 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1668 long int tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1669 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1670 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1671 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1672 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1673 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1674 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1675 default: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1676 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1677 int tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1678 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1679 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1680 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1681 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1682 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1683 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1684 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1685 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1686 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1687 case 'o': case 'u': case 'x': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1688 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1689 switch (elt->modifier) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1690 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1691 case 'h': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1692 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1693 unsigned short int tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1694 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1695 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1696 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1697 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1698 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1699 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1700 case 'l': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1701 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1702 unsigned long int tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1703 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1704 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1705 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1706 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1707 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1708 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1709 default: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1710 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1711 unsigned int tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1712 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1713 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1714 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1715 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1716 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1717 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1718 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1719 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1720 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1721 case 'e': case 'f': case 'g': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1722 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1723 double tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1724 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1725 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1726 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1727 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1728 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1729 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1730 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1731 case 'c': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1732 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1733 BEGIN_C_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1734 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1735 FINISH_CHARACTER_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1736 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1737 is.setf (flags); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1738 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1739 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1740 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1741 case 's': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1742 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1743 BEGIN_S_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1744 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1745 FINISH_CHARACTER_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1746 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1747 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1748 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1749 case '[': case '^': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1750 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1751 BEGIN_CHAR_CLASS_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1752 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1753 FINISH_CHARACTER_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1754 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1755 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1756 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1757 case 'p': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1758 error ("%s: unsupported format specifier", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1759 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1760 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1761 default: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1762 error ("%s: internal format error", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1763 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1764 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1765 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1766 if (! ok ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1767 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1768 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1769 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1770 else if (! is) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1771 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1772 if (all_char_conv) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1773 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1774 if (one_elt_size_spec) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1775 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1776 final_nr = 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1777 final_nc = data_index; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1778 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1779 else if (data_index > nr) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1780 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1781 final_nr = nr; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1782 final_nc = (data_index - 1) / nr + 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1783 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1784 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1785 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1786 final_nr = data_index; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1787 final_nc = 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1788 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1789 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1790 else if (nr > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1791 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1792 if (data_index > nr) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1793 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1794 final_nr = nr; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1795 final_nc = (data_index - 1) / nr + 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1796 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1797 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1798 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1799 final_nr = data_index; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1800 final_nc = 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1801 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1802 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1803 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1804 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1805 final_nr = data_index; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1806 final_nc = 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1807 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1808 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1809 // 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
|
1810 // reset the failbit in the stream state. |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1811 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1812 if (is.rdstate () & std::ios::failbit) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1813 is.clear (is.rdstate () & (~std::ios::failbit)); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1814 |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1815 // FIXME: is this the right thing to do? |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1816 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1817 if (interactive && name () == "stdin") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1818 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1819 is.clear (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1820 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1821 // Skip to end of line. |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1822 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1823 bool err; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1824 do_gets (-1, err, false, who); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1825 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1826 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1827 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1828 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1829 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1830 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1831 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1832 error ("%s: internal format error", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1833 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1834 } |
2117 | 1835 |
10187
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1836 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
|
1837 { |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1838 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
|
1839 { |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1840 final_nr = 1; |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1841 final_nc = data_index; |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1842 } |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1843 else |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1844 { |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1845 final_nr = nr; |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1846 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
|
1847 } |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1848 |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1849 break; |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1850 } |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1851 else |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1852 elt = fmt_list.next (nconv > 0); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1853 } |
2117 | 1854 } |
1855 | |
1856 if (ok ()) | |
1857 { | |
2121 | 1858 mval.resize (final_nr, final_nc, 0.0); |
2117 | 1859 |
3268 | 1860 retval = mval; |
1861 | |
2117 | 1862 if (all_char_conv) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
1863 retval = retval.convert_to_str (false, true); |
2117 | 1864 } |
1865 | |
1866 return retval; | |
1867 } | |
1868 | |
1869 octave_value | |
3810 | 1870 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
|
1871 octave_idx_type& conversion_count, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1872 const std::string& who) |
2117 | 1873 { |
1874 octave_value retval = Matrix (); | |
1875 | |
3559 | 1876 conversion_count = 0; |
2117 | 1877 |
3523 | 1878 std::istream *isp = input_stream (); |
2117 | 1879 |
1880 if (isp) | |
1881 { | |
1882 scanf_format_list fmt_list (fmt); | |
1883 | |
3640 | 1884 if (fmt_list.num_conversions () == -1) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
1885 ::error ("%s: invalid format specified", who.c_str ()); |
3640 | 1886 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1887 { |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1888 octave_idx_type nr = -1; |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
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1889 octave_idx_type nc = -1; |
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1890 |
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1891 bool one_elt_size_spec; |
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1892 |
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1893 get_size (size, nr, nc, one_elt_size_spec, who); |
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1894 |
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1895 if (! error_state) |
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1896 retval = do_scanf (fmt_list, nr, nc, one_elt_size_spec, |
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1897 conversion_count, who); |
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1898 } |
2215 | 1899 } |
1900 else | |
4468 | 1901 invalid_operation (who, "reading"); |
2572 | 1902 |
1903 return retval; | |
1904 } | |
1905 | |
2712 | 1906 bool |
1907 octave_base_stream::do_oscanf (const scanf_format_elt *elt, | |
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1908 octave_value& retval, const std::string& who) |
2572 | 1909 { |
2712 | 1910 bool quit = false; |
2215 | 1911 |
3523 | 1912 std::istream *isp = input_stream (); |
2215 | 1913 |
1914 if (isp) | |
1915 { | |
3523 | 1916 std::istream& is = *isp; |
2215 | 1917 |
3538 | 1918 std::ios::fmtflags flags = is.flags (); |
2215 | 1919 |
1920 if (elt) | |
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1921 { |
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1922 const char *fmt = elt->text; |
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1923 |
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1924 bool discard = elt->discard; |
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1925 |
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1926 switch (elt->type) |
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1927 { |
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1928 case scanf_format_elt::whitespace_conversion: |
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1929 DO_WHITESPACE_CONVERSION (); |
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1930 break; |
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1931 |
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1932 case scanf_format_elt::literal_conversion: |
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1933 DO_LITERAL_CONVERSION (); |
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1934 break; |
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1935 |
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1936 case '%': |
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1937 { |
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1938 DO_PCT_CONVERSION (); |
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1939 |
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1940 if (! is) |
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1941 quit = true; |
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1942 |
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1943 } |
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1944 break; |
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1945 |
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1946 case 'd': case 'i': |
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1947 { |
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1948 int tmp; |
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1949 |
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1950 if (OCTAVE_SCAN (is, *elt, &tmp)) |
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1951 { |
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1952 if (! discard) |
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1953 retval = tmp; |
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1954 } |
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1955 else |
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1956 quit = true; |
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1957 } |
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1958 break; |
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1959 |
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1960 case 'o': case 'u': case 'x': |
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1961 { |
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1962 long int tmp; |
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1963 |
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1964 if (OCTAVE_SCAN (is, *elt, &tmp)) |
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1965 { |
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1966 if (! discard) |
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1967 retval = tmp; |
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1968 } |
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1969 else |
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1970 quit = true; |
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1971 } |
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1972 break; |
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1973 |
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1974 case 'e': case 'f': case 'g': |
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1975 { |
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1976 double tmp; |
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1977 |
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1978 if (OCTAVE_SCAN (is, *elt, &tmp)) |
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1979 { |
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1980 if (! discard) |
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1981 retval = tmp; |
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1982 } |
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1983 else |
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1984 quit = true; |
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1985 } |
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1986 break; |
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1987 |
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1988 case 'c': |
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1989 { |
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1990 BEGIN_C_CONVERSION (); |
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1991 |
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1992 if (! discard) |
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1993 retval = tmp; |
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1994 |
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1995 if (! is) |
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1996 quit = true; |
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1997 |
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1998 is.setf (flags); |
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1999 } |
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2000 break; |
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2001 |
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2002 case 's': |
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2003 { |
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2004 BEGIN_S_CONVERSION (); |
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2005 |
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2006 if (! discard) |
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2007 retval = tmp; |
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2008 |
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2009 if (! is) |
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2010 quit = true; |
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2011 } |
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2012 break; |
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2013 |
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2014 case '[': case '^': |
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2015 { |
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2016 BEGIN_CHAR_CLASS_CONVERSION (); |
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2017 |
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2018 if (! discard) |
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2019 retval = tmp; |
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2020 |
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2021 if (! is) |
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2022 quit = true; |
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2023 } |
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2024 break; |
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2025 |
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2026 case 'p': |
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2027 error ("%s: unsupported format specifier", who.c_str ()); |
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2028 break; |
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2029 |
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2030 default: |
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2031 error ("%s: internal format error", who.c_str ()); |
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2032 break; |
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2033 } |
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2034 } |
2215 | 2035 |
2036 if (ok () && is.fail ()) | |
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2037 { |
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2038 error ("%s: read error", who.c_str ()); |
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2039 |
17787
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2040 // FIXME: is this the right thing to do? |
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2041 |
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2042 if (interactive && name () == "stdin") |
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2043 { |
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2044 // Skip to end of line. |
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2045 |
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2046 bool err; |
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2047 do_gets (-1, err, false, who); |
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2048 } |
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2049 } |
2215 | 2050 } |
2051 | |
2712 | 2052 return quit; |
2215 | 2053 } |
2054 | |
2055 octave_value_list | |
4468 | 2056 octave_base_stream::oscanf (const std::string& fmt, const std::string& who) |
2215 | 2057 { |
2058 octave_value_list retval; | |
2059 | |
3523 | 2060 std::istream *isp = input_stream (); |
2215 | 2061 |
2062 if (isp) | |
2063 { | |
3523 | 2064 std::istream& is = *isp; |
2215 | 2065 |
2066 scanf_format_list fmt_list (fmt); | |
2067 | |
10187
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
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2068 octave_idx_type nconv = fmt_list.num_conversions (); |
2215 | 2069 |
3640 | 2070 if (nconv == -1) |
10315
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2071 ::error ("%s: invalid format specified", who.c_str ()); |
3640 | 2072 else |
10315
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2073 { |
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2074 is.clear (); |
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2075 |
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2076 octave_idx_type len = fmt_list.length (); |
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2077 |
13271
fba2cc36b762
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John W. Eaton <jwe@octave.org>
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2078 retval.resize (nconv+2, Matrix ()); |
10315
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2079 |
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2080 const scanf_format_elt *elt = fmt_list.first (); |
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2081 |
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2082 int num_values = 0; |
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2083 |
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|
2084 bool quit = false; |
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2085 |
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2086 for (octave_idx_type i = 0; i < len; i++) |
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|
2087 { |
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|
2088 octave_value tmp; |
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2089 |
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2090 quit = do_oscanf (elt, tmp, who); |
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2091 |
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|
2092 if (quit) |
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|
2093 break; |
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|
2094 else |
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|
2095 { |
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|
2096 if (tmp.is_defined ()) |
14844
5bc9b9cb4362
maint: Use Octave coding conventions for cuddled parenthesis in retval assignments.
Rik <octave@nomad.inbox5.com>
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14675
diff
changeset
|
2097 retval(num_values++) = tmp; |
10315
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|
2098 |
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|
2099 if (! ok ()) |
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|
2100 break; |
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|
2101 |
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2102 elt = fmt_list.next (nconv > 0); |
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|
2103 } |
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|
2104 } |
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|
2105 |
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2106 retval(nconv) = num_values; |
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2107 |
13271
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|
2108 int err_num; |
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return stream error message in scanf functions and document behavior
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|
2109 retval(nconv+1) = error (false, err_num); |
fba2cc36b762
return stream error message in scanf functions and document behavior
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|
2110 |
10315
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|
2111 if (! quit) |
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|
2112 { |
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|
2113 // Pick up any trailing stuff. |
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|
2114 if (ok () && len > nconv) |
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|
2115 { |
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|
2116 octave_value tmp; |
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|
2117 |
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2118 elt = fmt_list.next (); |
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|
2119 |
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2120 do_oscanf (elt, tmp, who); |
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|
2121 } |
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|
2122 } |
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|
2123 } |
2117 | 2124 } |
2125 else | |
4468 | 2126 invalid_operation (who, "reading"); |
2117 | 2127 |
2128 return retval; | |
2129 } | |
2130 | |
2131 // Functions that are defined for all output streams (output streams | |
2132 // are those that define os). | |
2133 | |
2134 int | |
2135 octave_base_stream::flush (void) | |
2136 { | |
2137 int retval = -1; | |
2138 | |
3523 | 2139 std::ostream *os = output_stream (); |
2117 | 2140 |
2141 if (os) | |
2142 { | |
2143 os->flush (); | |
2144 | |
2145 if (os->good ()) | |
10315
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|
2146 retval = 0; |
2117 | 2147 } |
2148 else | |
2149 invalid_operation ("fflush", "writing"); | |
2150 | |
2151 return retval; | |
2152 } | |
2153 | |
2154 class | |
2155 printf_value_cache | |
2156 { | |
2157 public: | |
2158 | |
3653 | 2159 enum state { ok, conversion_error }; |
2117 | 2160 |
7352 | 2161 printf_value_cache (const octave_value_list& args, const std::string& who) |
2117 | 2162 : values (args), val_idx (0), elt_idx (0), |
2163 n_vals (values.length ()), n_elts (0), data (0), | |
7352 | 2164 curr_state (ok) |
2165 { | |
2166 for (octave_idx_type i = 0; i < values.length (); i++) | |
2167 { | |
10315
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2168 octave_value val = values(i); |
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|
2169 |
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2170 if (val.is_map () || val.is_cell () || val.is_object ()) |
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|
2171 { |
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|
2172 gripe_wrong_type_arg (who, val); |
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|
2173 break; |
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|
2174 } |
7352 | 2175 } |
2176 } | |
2117 | 2177 |
2178 ~printf_value_cache (void) { } | |
2179 | |
2180 // Get the current value as a double and advance the internal pointer. | |
2181 double double_value (void); | |
2182 | |
2183 // Get the current value as an int and advance the internal pointer. | |
2184 int int_value (void); | |
2185 | |
2186 // Get the current value as a string and advance the internal pointer. | |
3523 | 2187 std::string string_value (void); |
2117 | 2188 |
3145 | 2189 operator bool () const { return (curr_state == ok); } |
2117 | 2190 |
3653 | 2191 bool exhausted (void) { return (val_idx >= n_vals); } |
2117 | 2192 |
2193 private: | |
2194 | |
2195 const octave_value_list values; | |
2196 int val_idx; | |
2197 int elt_idx; | |
2198 int n_vals; | |
2199 int n_elts; | |
2200 const double *data; | |
4874 | 2201 NDArray curr_val; |
2117 | 2202 state curr_state; |
2203 | |
2204 // Must create value cache with values! | |
2205 | |
2206 printf_value_cache (void); | |
2207 | |
2208 // No copying! | |
2209 | |
2210 printf_value_cache (const printf_value_cache&); | |
2211 | |
2212 printf_value_cache& operator = (const printf_value_cache&); | |
2213 }; | |
2214 | |
2215 double | |
2216 printf_value_cache::double_value (void) | |
2217 { | |
2218 double retval = 0.0; | |
2219 | |
3711 | 2220 if (exhausted ()) |
2221 curr_state = conversion_error; | |
2222 | |
2223 while (! exhausted ()) | |
2117 | 2224 { |
2225 if (! data) | |
10315
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|
2226 { |
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|
2227 octave_value tmp_val = values (val_idx); |
57a59eae83cc
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|
2228 |
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|
2229 // Force string conversion here for compatibility. |
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|
2230 |
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|
2231 curr_val = tmp_val.array_value (true); |
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|
2232 |
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|
2233 if (! error_state) |
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|
2234 { |
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|
2235 elt_idx = 0; |
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|
2236 n_elts = curr_val.length (); |
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2237 data = curr_val.data (); |
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|
2238 } |
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|
2239 else |
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|
2240 { |
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2241 curr_state = conversion_error; |
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|
2242 break; |
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|
2243 } |
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2244 } |
2117 | 2245 |
2246 if (elt_idx < n_elts) | |
10315
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|
2247 { |
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2248 retval = data[elt_idx++]; |
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2249 |
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2250 if (elt_idx >= n_elts) |
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|
2251 { |
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|
2252 elt_idx = 0; |
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|
2253 val_idx++; |
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|
2254 data = 0; |
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|
2255 } |
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|
2256 |
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|
2257 break; |
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|
2258 } |
2117 | 2259 else |
10315
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|
2260 { |
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|
2261 val_idx++; |
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|
2262 data = 0; |
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|
2263 |
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2264 if (n_elts == 0 && exhausted ()) |
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2265 curr_state = conversion_error; |
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|
2266 |
57a59eae83cc
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10293
diff
changeset
|
2267 continue; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2268 } |
2117 | 2269 } |
2270 | |
2271 return retval; | |
2272 } | |
2273 | |
2274 int | |
2275 printf_value_cache::int_value (void) | |
2276 { | |
2277 int retval = 0; | |
2278 | |
2279 double dval = double_value (); | |
2280 | |
2281 if (! error_state) | |
2282 { | |
2283 if (D_NINT (dval) == dval) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2284 retval = NINT (dval); |
2117 | 2285 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2286 curr_state = conversion_error; |
2117 | 2287 } |
2288 | |
2289 return retval; | |
2290 } | |
2291 | |
3536 | 2292 std::string |
2117 | 2293 printf_value_cache::string_value (void) |
2294 { | |
3523 | 2295 std::string retval; |
2117 | 2296 |
4425 | 2297 if (exhausted ()) |
2298 curr_state = conversion_error; | |
4257 | 2299 else |
2117 | 2300 { |
4425 | 2301 octave_value tval = values (val_idx++); |
2302 | |
2303 if (tval.rows () == 1) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2304 retval = tval.string_value (); |
4425 | 2305 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2306 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2307 // In the name of Matlab compatibility. |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2308 |
57a59eae83cc
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diff
changeset
|
2309 charMatrix chm = tval.char_matrix_value (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2310 |
57a59eae83cc
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diff
changeset
|
2311 octave_idx_type nr = chm.rows (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2312 octave_idx_type nc = chm.columns (); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2313 |
57a59eae83cc
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diff
changeset
|
2314 int k = 0; |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
2315 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2316 retval.resize (nr * nc, '\0'); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2317 |
57a59eae83cc
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diff
changeset
|
2318 for (octave_idx_type j = 0; j < nc; j++) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2319 for (octave_idx_type i = 0; i < nr; i++) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2320 retval[k++] = chm(i,j); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2321 } |
4425 | 2322 |
2323 if (error_state) | |
10315
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untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2324 curr_state = conversion_error; |
2117 | 2325 } |
4257 | 2326 |
2117 | 2327 return retval; |
2328 } | |
2329 | |
2330 // Ugh again and again. | |
2331 | |
2572 | 2332 template <class T> |
3620 | 2333 int |
3523 | 2334 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>
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diff
changeset
|
2335 int sa_2, T arg, const std::string& who) |
2572 | 2336 { |
3620 | 2337 int retval = 0; |
2338 | |
2572 | 2339 switch (nsa) |
2340 { | |
2341 case 2: | |
3640 | 2342 retval = octave_format (os, fmt, sa_1, sa_2, arg); |
2572 | 2343 break; |
2344 | |
2345 case 1: | |
3640 | 2346 retval = octave_format (os, fmt, sa_1, arg); |
2572 | 2347 break; |
2348 | |
2349 case 0: | |
3640 | 2350 retval = octave_format (os, fmt, arg); |
2572 | 2351 break; |
2352 | |
2353 default: | |
4468 | 2354 ::error ("%s: internal error handling format", who.c_str ()); |
2572 | 2355 break; |
2356 } | |
3620 | 2357 |
2358 return retval; | |
2572 | 2359 } |
2360 | |
18205
8c92b5e7fa4d
improve handling of integer field overflow in printf (bug #36278)
John W. Eaton <jwe@octave.org>
parents:
18099
diff
changeset
|
2361 #define DO_DOUBLE_CONV_1(TYPE) \ |
6492 | 2362 do \ |
2363 { \ | |
18205
8c92b5e7fa4d
improve handling of integer field overflow in printf (bug #36278)
John W. Eaton <jwe@octave.org>
parents:
18099
diff
changeset
|
2364 if (val > std::numeric_limits<TYPE>::max () \ |
8c92b5e7fa4d
improve handling of integer field overflow in printf (bug #36278)
John W. Eaton <jwe@octave.org>
parents:
18099
diff
changeset
|
2365 || val < std::numeric_limits<TYPE>::min ()) \ |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2366 { \ |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2367 std::string tfmt = fmt; \ |
6492 | 2368 \ |
18205
8c92b5e7fa4d
improve handling of integer field overflow in printf (bug #36278)
John W. Eaton <jwe@octave.org>
parents:
18099
diff
changeset
|
2369 tfmt.replace (tfmt.rfind (elt->type), 1, ".g"); \ |
6492 | 2370 \ |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2371 if (elt->modifier == 'l') \ |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2372 tfmt.replace (tfmt.rfind (elt->modifier), 1, ""); \ |
7199 | 2373 \ |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2374 retval += do_printf_conv (os, tfmt.c_str (), nsa, sa_1, sa_2, \ |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2375 val, who); \ |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2376 } \ |
6492 | 2377 else \ |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2378 retval += do_printf_conv (os, fmt, nsa, sa_1, sa_2, \ |
18205
8c92b5e7fa4d
improve handling of integer field overflow in printf (bug #36278)
John W. Eaton <jwe@octave.org>
parents:
18099
diff
changeset
|
2379 static_cast<TYPE> (val), who); \ |
8c92b5e7fa4d
improve handling of integer field overflow in printf (bug #36278)
John W. Eaton <jwe@octave.org>
parents:
18099
diff
changeset
|
2380 } \ |
8c92b5e7fa4d
improve handling of integer field overflow in printf (bug #36278)
John W. Eaton <jwe@octave.org>
parents:
18099
diff
changeset
|
2381 while (0) |
8c92b5e7fa4d
improve handling of integer field overflow in printf (bug #36278)
John W. Eaton <jwe@octave.org>
parents:
18099
diff
changeset
|
2382 |
8c92b5e7fa4d
improve handling of integer field overflow in printf (bug #36278)
John W. Eaton <jwe@octave.org>
parents:
18099
diff
changeset
|
2383 #define DO_DOUBLE_CONV(TQUAL) \ |
8c92b5e7fa4d
improve handling of integer field overflow in printf (bug #36278)
John W. Eaton <jwe@octave.org>
parents:
18099
diff
changeset
|
2384 do \ |
8c92b5e7fa4d
improve handling of integer field overflow in printf (bug #36278)
John W. Eaton <jwe@octave.org>
parents:
18099
diff
changeset
|
2385 { \ |
8c92b5e7fa4d
improve handling of integer field overflow in printf (bug #36278)
John W. Eaton <jwe@octave.org>
parents:
18099
diff
changeset
|
2386 if (elt->modifier == 'l') \ |
8c92b5e7fa4d
improve handling of integer field overflow in printf (bug #36278)
John W. Eaton <jwe@octave.org>
parents:
18099
diff
changeset
|
2387 DO_DOUBLE_CONV_1 (TQUAL long); \ |
8c92b5e7fa4d
improve handling of integer field overflow in printf (bug #36278)
John W. Eaton <jwe@octave.org>
parents:
18099
diff
changeset
|
2388 else \ |
8c92b5e7fa4d
improve handling of integer field overflow in printf (bug #36278)
John W. Eaton <jwe@octave.org>
parents:
18099
diff
changeset
|
2389 DO_DOUBLE_CONV_1 (TQUAL int); \ |
6492 | 2390 } \ |
2391 while (0) | |
2392 | |
2117 | 2393 int |
2394 octave_base_stream::do_printf (printf_format_list& fmt_list, | |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2395 const octave_value_list& args, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2396 const std::string& who) |
2117 | 2397 { |
3620 | 2398 int retval = 0; |
2117 | 2399 |
10187
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2400 octave_idx_type nconv = fmt_list.num_conversions (); |
3640 | 2401 |
3523 | 2402 std::ostream *osp = output_stream (); |
2117 | 2403 |
2404 if (osp) | |
2405 { | |
3523 | 2406 std::ostream& os = *osp; |
2117 | 2407 |
2408 const printf_format_elt *elt = fmt_list.first (); | |
2409 | |
7352 | 2410 printf_value_cache val_cache (args, who); |
2411 | |
2412 if (error_state) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2413 return retval; |
2117 | 2414 |
2415 for (;;) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2416 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2417 octave_quit (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2418 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2419 if (elt) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2420 { |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14138
diff
changeset
|
2421 // NSA is the number of 'star' args to convert. |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2422 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2423 int nsa = (elt->fw < 0) + (elt->prec < 0); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2424 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2425 int sa_1 = 0; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2426 int sa_2 = 0; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2427 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2428 if (nsa > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2429 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2430 sa_1 = val_cache.int_value (); |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2431 |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2432 if (! val_cache) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2433 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2434 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2435 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2436 if (nsa > 1) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2437 { |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2438 sa_2 = val_cache.int_value (); |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2439 |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2440 if (! val_cache) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2441 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2442 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2443 } |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2444 } |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2445 |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2446 const char *fmt = elt->text; |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2447 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2448 if (elt->type == '%') |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2449 { |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2450 os << "%"; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2451 retval++; |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2452 } |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2453 else if (elt->args == 0 && elt->text) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2454 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2455 os << elt->text; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2456 retval += strlen (elt->text); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2457 } |
10315
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2458 else if (elt->type == 's') |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2459 { |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2460 std::string val = val_cache.string_value (); |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2461 |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2462 if (val_cache) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2463 retval += do_printf_conv (os, fmt, nsa, sa_1, |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2464 sa_2, val.c_str (), who); |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2465 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2466 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2467 } |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2468 else |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2469 { |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2470 double val = val_cache.double_value (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2471 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2472 if (val_cache) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2473 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2474 if (lo_ieee_isnan (val) || xisinf (val)) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2475 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2476 std::string tfmt = fmt; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2477 std::string::size_type i1, i2; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2478 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2479 tfmt.replace ((i1 = tfmt.rfind (elt->type)), |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2480 1, 1, 's'); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2481 |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
2482 if ((i2 = tfmt.rfind ('.')) != std::string::npos |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
2483 && i2 < i1) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2484 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2485 tfmt.erase (i2, i1-i2); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2486 if (elt->prec < 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2487 nsa--; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2488 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2489 |
17292
c5073ed27cdc
Handle '+' format modifier in sprintf (bug #39773)
Rik <rik@octave.org>
parents:
16892
diff
changeset
|
2490 const char *tval; |
c5073ed27cdc
Handle '+' format modifier in sprintf (bug #39773)
Rik <rik@octave.org>
parents:
16892
diff
changeset
|
2491 if (xisinf (val)) |
18205
8c92b5e7fa4d
improve handling of integer field overflow in printf (bug #36278)
John W. Eaton <jwe@octave.org>
parents:
18099
diff
changeset
|
2492 { |
8c92b5e7fa4d
improve handling of integer field overflow in printf (bug #36278)
John W. Eaton <jwe@octave.org>
parents:
18099
diff
changeset
|
2493 if (elt->flags.find ('+') != std::string::npos) |
8c92b5e7fa4d
improve handling of integer field overflow in printf (bug #36278)
John W. Eaton <jwe@octave.org>
parents:
18099
diff
changeset
|
2494 tval = (val < 0 ? "-Inf" : "+Inf"); |
8c92b5e7fa4d
improve handling of integer field overflow in printf (bug #36278)
John W. Eaton <jwe@octave.org>
parents:
18099
diff
changeset
|
2495 else |
8c92b5e7fa4d
improve handling of integer field overflow in printf (bug #36278)
John W. Eaton <jwe@octave.org>
parents:
18099
diff
changeset
|
2496 tval = (val < 0 ? "-Inf" : "Inf"); |
8c92b5e7fa4d
improve handling of integer field overflow in printf (bug #36278)
John W. Eaton <jwe@octave.org>
parents:
18099
diff
changeset
|
2497 } |
17292
c5073ed27cdc
Handle '+' format modifier in sprintf (bug #39773)
Rik <rik@octave.org>
parents:
16892
diff
changeset
|
2498 else |
18205
8c92b5e7fa4d
improve handling of integer field overflow in printf (bug #36278)
John W. Eaton <jwe@octave.org>
parents:
18099
diff
changeset
|
2499 { |
8c92b5e7fa4d
improve handling of integer field overflow in printf (bug #36278)
John W. Eaton <jwe@octave.org>
parents:
18099
diff
changeset
|
2500 if (elt->flags.find ('+') != std::string::npos) |
8c92b5e7fa4d
improve handling of integer field overflow in printf (bug #36278)
John W. Eaton <jwe@octave.org>
parents:
18099
diff
changeset
|
2501 tval = (lo_ieee_is_NA (val) ? "+NA" : "+NaN"); |
8c92b5e7fa4d
improve handling of integer field overflow in printf (bug #36278)
John W. Eaton <jwe@octave.org>
parents:
18099
diff
changeset
|
2502 else |
8c92b5e7fa4d
improve handling of integer field overflow in printf (bug #36278)
John W. Eaton <jwe@octave.org>
parents:
18099
diff
changeset
|
2503 tval = (lo_ieee_is_NA (val) ? "NA" : "NaN"); |
8c92b5e7fa4d
improve handling of integer field overflow in printf (bug #36278)
John W. Eaton <jwe@octave.org>
parents:
18099
diff
changeset
|
2504 } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2505 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2506 retval += do_printf_conv (os, tfmt.c_str (), |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2507 nsa, sa_1, sa_2, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2508 tval, who); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2509 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2510 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2511 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2512 char type = elt->type; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2513 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2514 switch (type) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2515 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2516 case 'd': case 'i': case 'c': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2517 DO_DOUBLE_CONV (OCTAVE_EMPTY_CPP_ARG); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2518 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2519 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2520 case 'o': case 'x': case 'X': case 'u': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2521 DO_DOUBLE_CONV (unsigned); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2522 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2523 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2524 case 'f': case 'e': case 'E': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2525 case 'g': case 'G': |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
2526 retval += do_printf_conv (os, fmt, nsa, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
2527 sa_1, sa_2, val, who); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2528 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2529 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2530 default: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2531 error ("%s: invalid format specifier", |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2532 who.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2533 return -1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2534 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2535 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2536 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2537 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2538 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2539 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2540 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2541 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2542 if (! os) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2543 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2544 error ("%s: write error", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2545 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2546 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2547 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2548 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2549 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2550 ::error ("%s: internal error handling format", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2551 retval = -1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2552 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2553 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2554 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2555 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
|
2556 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2557 if (! elt || (val_cache.exhausted () && elt->args > 0)) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2558 break; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
2559 } |
2117 | 2560 } |
3640 | 2561 else |
4468 | 2562 invalid_operation (who, "writing"); |
2117 | 2563 |
2564 return retval; | |
2565 } | |
2566 | |
2567 int | |
3640 | 2568 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
|
2569 const octave_value_list& args, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2570 const std::string& who) |
2117 | 2571 { |
3640 | 2572 int retval = 0; |
2573 | |
2574 printf_format_list fmt_list (fmt); | |
2575 | |
2576 if (fmt_list.num_conversions () == -1) | |
4468 | 2577 ::error ("%s: invalid format specified", who.c_str ()); |
2117 | 2578 else |
4468 | 2579 retval = do_printf (fmt_list, args, who); |
2117 | 2580 |
2581 return retval; | |
2582 } | |
2583 | |
2584 int | |
4468 | 2585 octave_base_stream::puts (const std::string& s, const std::string& who) |
2117 | 2586 { |
2587 int retval = -1; | |
2588 | |
3523 | 2589 std::ostream *osp = output_stream (); |
2117 | 2590 |
2591 if (osp) | |
2592 { | |
3523 | 2593 std::ostream& os = *osp; |
2117 | 2594 |
2595 os << s; | |
2596 | |
2597 if (os) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2598 { |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
2599 // 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
|
2600 // Without it, output from a loop like |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2601 // |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2602 // 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
|
2603 // |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2604 // 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
|
2605 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2606 os.flush (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2607 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2608 if (os) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2609 retval = 0; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2610 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2611 error ("%s: write error", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2612 } |
2117 | 2613 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2614 error ("%s: write error", who.c_str ()); |
2117 | 2615 } |
2616 else | |
4468 | 2617 invalid_operation (who, "writing"); |
2117 | 2618 |
2619 return retval; | |
2620 } | |
2621 | |
2622 // Return current error message for this stream. | |
2623 | |
3536 | 2624 std::string |
2435 | 2625 octave_base_stream::error (bool clear_err, int& err_num) |
2117 | 2626 { |
2435 | 2627 err_num = fail ? -1 : 0; |
2117 | 2628 |
3523 | 2629 std::string tmp = errmsg; |
2117 | 2630 |
2631 if (clear_err) | |
2632 clear (); | |
2633 | |
2634 return tmp; | |
2635 } | |
2636 | |
2637 void | |
4468 | 2638 octave_base_stream::invalid_operation (const std::string& who, const char *rw) |
2117 | 2639 { |
4468 | 2640 // Note that this is not ::error () ! |
2641 | |
6297 | 2642 error (who, std::string ("stream not open for ") + rw); |
2117 | 2643 } |
2644 | |
3552 | 2645 octave_stream::octave_stream (octave_base_stream *bs) |
3340 | 2646 : rep (bs) |
2647 { | |
2648 if (rep) | |
2649 rep->count = 1; | |
2650 } | |
2651 | |
2652 octave_stream::~octave_stream (void) | |
2653 { | |
2654 if (rep && --rep->count == 0) | |
2655 delete rep; | |
2656 } | |
2657 | |
2658 octave_stream::octave_stream (const octave_stream& s) | |
2659 : rep (s.rep) | |
2660 { | |
2661 if (rep) | |
2662 rep->count++; | |
2663 } | |
2664 | |
2665 octave_stream& | |
2666 octave_stream::operator = (const octave_stream& s) | |
2667 { | |
2668 if (rep != s.rep) | |
2669 { | |
2670 if (rep && --rep->count == 0) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2671 delete rep; |
3340 | 2672 |
2673 rep = s.rep; | |
2674 | |
2675 if (rep) | |
10315
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|
2676 rep->count++; |
3340 | 2677 } |
2678 | |
2679 return *this; | |
2680 } | |
2681 | |
2117 | 2682 int |
2683 octave_stream::flush (void) | |
2684 { | |
2685 int retval = -1; | |
2686 | |
5659 | 2687 if (stream_ok ()) |
2117 | 2688 retval = rep->flush (); |
2689 | |
2690 return retval; | |
2691 } | |
2692 | |
3536 | 2693 std::string |
5275 | 2694 octave_stream::getl (octave_idx_type max_len, bool& err, const std::string& who) |
2117 | 2695 { |
3523 | 2696 std::string retval; |
2117 | 2697 |
5659 | 2698 if (stream_ok ()) |
4468 | 2699 retval = rep->getl (max_len, err, who); |
2117 | 2700 |
2701 return retval; | |
2702 } | |
2703 | |
3536 | 2704 std::string |
4468 | 2705 octave_stream::getl (const octave_value& tc_max_len, bool& err, |
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|
2706 const std::string& who) |
2117 | 2707 { |
3523 | 2708 std::string retval; |
2117 | 2709 |
2710 err = false; | |
2711 | |
2712 int conv_err = 0; | |
2713 | |
6345 | 2714 int max_len = -1; |
2715 | |
2716 if (tc_max_len.is_defined ()) | |
2117 | 2717 { |
6345 | 2718 max_len = convert_to_valid_int (tc_max_len, conv_err); |
2719 | |
2720 if (conv_err || max_len < 0) | |
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untabify src C++ source files
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|
2721 { |
57a59eae83cc
untabify src C++ source files
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changeset
|
2722 err = true; |
57a59eae83cc
untabify src C++ source files
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|
2723 ::error ("%s: invalid maximum length specified", who.c_str ()); |
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untabify src C++ source files
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|
2724 } |
2117 | 2725 } |
6345 | 2726 |
2727 if (! error_state) | |
4468 | 2728 retval = getl (max_len, err, who); |
2117 | 2729 |
2730 return retval; | |
2731 } | |
2732 | |
3536 | 2733 std::string |
5275 | 2734 octave_stream::gets (octave_idx_type max_len, bool& err, const std::string& who) |
2117 | 2735 { |
3523 | 2736 std::string retval; |
2117 | 2737 |
5659 | 2738 if (stream_ok ()) |
4468 | 2739 retval = rep->gets (max_len, err, who); |
2117 | 2740 |
2741 return retval; | |
2742 } | |
2743 | |
3536 | 2744 std::string |
4468 | 2745 octave_stream::gets (const octave_value& tc_max_len, bool& err, |
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|
2746 const std::string& who) |
2117 | 2747 { |
3523 | 2748 std::string retval; |
2117 | 2749 |
2750 err = false; | |
2751 | |
2752 int conv_err = 0; | |
2753 | |
6345 | 2754 int max_len = -1; |
2755 | |
2756 if (tc_max_len.is_defined ()) | |
2117 | 2757 { |
6345 | 2758 max_len = convert_to_valid_int (tc_max_len, conv_err); |
2759 | |
2760 if (conv_err || max_len < 0) | |
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|
2761 { |
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changeset
|
2762 err = true; |
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untabify src C++ source files
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|
2763 ::error ("%s: invalid maximum length specified", who.c_str ()); |
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|
2764 } |
2117 | 2765 } |
6345 | 2766 |
2767 if (! error_state) | |
4468 | 2768 retval = gets (max_len, err, who); |
2117 | 2769 |
2770 return retval; | |
2771 } | |
2772 | |
16011
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initial large file support for 32-bit systems
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|
2773 off_t |
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initial large file support for 32-bit systems
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|
2774 octave_stream::skipl (off_t count, bool& err, const std::string& who) |
9701 | 2775 { |
16011
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initial large file support for 32-bit systems
John W. Eaton <jwe@octave.org>
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|
2776 off_t retval = -1; |
9701 | 2777 |
2778 if (stream_ok ()) | |
2779 retval = rep->skipl (count, err, who); | |
2780 | |
2781 return retval; | |
2782 } | |
2783 | |
16011
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initial large file support for 32-bit systems
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|
2784 off_t |
17787
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Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
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changeset
|
2785 octave_stream::skipl (const octave_value& tc_count, bool& err, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
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|
2786 const std::string& who) |
9701 | 2787 { |
16011
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initial large file support for 32-bit systems
John W. Eaton <jwe@octave.org>
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|
2788 off_t retval = -1; |
9701 | 2789 |
2790 err = false; | |
2791 | |
2792 int conv_err = 0; | |
2793 | |
2794 int count = 1; | |
2795 | |
2796 if (tc_count.is_defined ()) | |
2797 { | |
2798 if (tc_count.is_scalar_type () && xisinf (tc_count.scalar_value ())) | |
2799 count = -1; | |
2800 else | |
2801 { | |
2802 count = convert_to_valid_int (tc_count, conv_err); | |
2803 | |
2804 if (conv_err || count < 0) | |
2805 { | |
2806 err = true; | |
2807 ::error ("%s: invalid number of lines specified", who.c_str ()); | |
2808 } | |
2809 } | |
2810 } | |
2811 | |
2812 if (! error_state) | |
2813 retval = skipl (count, err, who); | |
2814 | |
2815 return retval; | |
2816 } | |
2817 | |
2117 | 2818 int |
16011
8122286c69a9
initial large file support for 32-bit systems
John W. Eaton <jwe@octave.org>
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diff
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|
2819 octave_stream::seek (off_t offset, int origin) |
2117 | 2820 { |
5065 | 2821 int status = -1; |
2117 | 2822 |
5659 | 2823 if (stream_ok ()) |
4889 | 2824 { |
2825 clearerr (); | |
2826 | |
12957
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
John W. Eaton <jwe@octave.org>
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diff
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|
2827 // Find current position so we can return to it if needed. |
fb69561e5901
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|
2828 |
16011
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initial large file support for 32-bit systems
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changeset
|
2829 off_t orig_pos = rep->tell (); |
5065 | 2830 |
12957
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maint: fix missing line continuation in src/Makefile.am
John W. Eaton <jwe@octave.org>
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changeset
|
2831 // Move to end of file. If successful, find the offset of the end. |
fb69561e5901
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|
2832 |
fb69561e5901
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diff
changeset
|
2833 status = rep->seek (0, SEEK_END); |
5065 | 2834 |
2835 if (status == 0) | |
10315
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untabify src C++ source files
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|
2836 { |
16011
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initial large file support for 32-bit systems
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diff
changeset
|
2837 off_t eof_pos = rep->tell (); |
12957
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|
2838 |
12943
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2839 if (origin == SEEK_CUR) |
8372d50de75a
improve logic of octave_stream::seek funtion
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diff
changeset
|
2840 { |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
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12936
diff
changeset
|
2841 // Move back to original position, otherwise we will be |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2842 // seeking from the end of file which is probably not the |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2843 // original location. |
8372d50de75a
improve logic of octave_stream::seek funtion
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diff
changeset
|
2844 |
8372d50de75a
improve logic of octave_stream::seek funtion
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diff
changeset
|
2845 rep->seek (orig_pos, SEEK_SET); |
8372d50de75a
improve logic of octave_stream::seek funtion
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12936
diff
changeset
|
2846 } |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
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changeset
|
2847 |
12957
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changeset
|
2848 // Attempt to move to desired position; may be outside bounds |
fb69561e5901
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John W. Eaton <jwe@octave.org>
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changeset
|
2849 // of existing file. |
fb69561e5901
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diff
changeset
|
2850 |
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
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changeset
|
2851 status = rep->seek (offset, origin); |
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
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changeset
|
2852 |
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2853 if (status == 0) |
10315
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untabify src C++ source files
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changeset
|
2854 { |
12957
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
2855 // Where are we after moving to desired position? |
fb69561e5901
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changeset
|
2856 |
16011
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initial large file support for 32-bit systems
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diff
changeset
|
2857 off_t desired_pos = rep->tell (); |
12957
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2858 |
12943
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
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12936
diff
changeset
|
2859 // I don't think save_pos can be less than zero, but we'll |
8372d50de75a
improve logic of octave_stream::seek funtion
John W. Eaton <jwe@octave.org>
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12936
diff
changeset
|
2860 // check anyway... |
12957
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
John W. Eaton <jwe@octave.org>
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11586
diff
changeset
|
2861 |
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2862 if (desired_pos > eof_pos || desired_pos < 0) |
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2863 { |
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
John W. Eaton <jwe@octave.org>
parents:
11586
diff
changeset
|
2864 // Seek outside bounds of file. Failure should leave |
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2865 // position unchanged. |
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2866 |
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
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diff
changeset
|
2867 rep->seek (orig_pos, SEEK_SET); |
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
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diff
changeset
|
2868 |
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
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diff
changeset
|
2869 status = -1; |
fb69561e5901
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diff
changeset
|
2870 } |
fb69561e5901
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changeset
|
2871 } |
fb69561e5901
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changeset
|
2872 else |
fb69561e5901
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changeset
|
2873 { |
fb69561e5901
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changeset
|
2874 // Seeking to the desired position failed. Move back to |
fb69561e5901
maint: fix missing line continuation in src/Makefile.am
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changeset
|
2875 // original position and return failure status. |
10315
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|
2876 |
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changeset
|
2877 rep->seek (orig_pos, SEEK_SET); |
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|
2878 |
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changeset
|
2879 status = -1; |
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changeset
|
2880 } |
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|
2881 } |
4889 | 2882 } |
2117 | 2883 |
5065 | 2884 return status; |
2117 | 2885 } |
2886 | |
2887 int | |
2888 octave_stream::seek (const octave_value& tc_offset, | |
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|
2889 const octave_value& tc_origin) |
2117 | 2890 { |
2891 int retval = -1; | |
2892 | |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
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changeset
|
2893 // FIXME: should we have octave_value methods that handle off_t explicitly? |
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initial large file support for 32-bit systems
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|
2894 octave_int64 val = tc_offset.int64_scalar_value (); |
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initial large file support for 32-bit systems
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|
2895 off_t xoffset = val.value (); |
4645 | 2896 |
2897 if (! error_state) | |
2117 | 2898 { |
4645 | 2899 int conv_err = 0; |
2900 | |
4797 | 2901 int origin = SEEK_SET; |
2117 | 2902 |
2341 | 2903 if (tc_origin.is_string ()) |
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|
2904 { |
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|
2905 std::string xorigin = tc_origin.string_value (); |
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|
2906 |
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|
2907 if (xorigin == "bof") |
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2908 origin = SEEK_SET; |
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|
2909 else if (xorigin == "cof") |
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2910 origin = SEEK_CUR; |
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2911 else if (xorigin == "eof") |
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2912 origin = SEEK_END; |
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changeset
|
2913 else |
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2914 conv_err = -1; |
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2915 } |
2341 | 2916 else |
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|
2917 { |
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changeset
|
2918 int xorigin = convert_to_valid_int (tc_origin, conv_err); |
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|
2919 |
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changeset
|
2920 if (! conv_err) |
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changeset
|
2921 { |
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|
2922 if (xorigin == -1) |
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changeset
|
2923 origin = SEEK_SET; |
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changeset
|
2924 else if (xorigin == 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2925 origin = SEEK_CUR; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2926 else if (xorigin == 1) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2927 origin = SEEK_END; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2928 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2929 conv_err = -1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2930 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2931 } |
2117 | 2932 |
2933 if (! conv_err) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2934 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2935 retval = seek (xoffset, origin); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2936 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2937 if (retval != 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2938 error ("fseek: failed to seek to requested position"); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2939 } |
2117 | 2940 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2941 error ("fseek: invalid value for origin"); |
2117 | 2942 } |
2943 else | |
2944 error ("fseek: invalid value for offset"); | |
2945 | |
2946 return retval; | |
2947 } | |
2948 | |
16011
8122286c69a9
initial large file support for 32-bit systems
John W. Eaton <jwe@octave.org>
parents:
15467
diff
changeset
|
2949 off_t |
4797 | 2950 octave_stream::tell (void) |
2117 | 2951 { |
16011
8122286c69a9
initial large file support for 32-bit systems
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2952 off_t retval = -1; |
2117 | 2953 |
5659 | 2954 if (stream_ok ()) |
2117 | 2955 retval = rep->tell (); |
2956 | |
2957 return retval; | |
2958 } | |
2959 | |
2960 int | |
2961 octave_stream::rewind (void) | |
2962 { | |
6296 | 2963 return seek (0, SEEK_SET); |
2117 | 2964 } |
2965 | |
3340 | 2966 bool |
2967 octave_stream::is_open (void) const | |
2968 { | |
2969 bool retval = false; | |
2970 | |
5659 | 2971 if (stream_ok ()) |
3340 | 2972 retval = rep->is_open (); |
2973 | |
2974 return retval; | |
2975 } | |
2976 | |
2977 void | |
2978 octave_stream::close (void) | |
2979 { | |
5659 | 2980 if (stream_ok ()) |
3340 | 2981 rep->close (); |
2982 } | |
2983 | |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
2984 template <class SRC_T, class DST_T> |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2985 static octave_value |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2986 convert_and_copy (std::list<void *>& input_buf_list, |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
2987 octave_idx_type input_buf_elts, |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
2988 octave_idx_type elts_read, |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
2989 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
|
2990 bool do_float_fmt_conv, bool do_NA_conv, |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
2991 oct_mach_info::float_format from_flt_fmt) |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
2992 { |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2993 typedef typename DST_T::element_type dst_elt_type; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2994 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2995 DST_T conv (dim_vector (nr, nc)); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2996 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2997 dst_elt_type *conv_data = conv.fortran_vec (); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
2998 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2999 octave_idx_type j = 0; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3000 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3001 for (std::list<void *>::const_iterator it = input_buf_list.begin (); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3002 it != input_buf_list.end (); it++) |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3003 { |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3004 SRC_T *data = static_cast<SRC_T *> (*it); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3005 |
17463 | 3006 if (swap || do_float_fmt_conv) |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3007 { |
17463 | 3008 for (octave_idx_type i = 0; i < input_buf_elts && j < elts_read; |
3009 i++, j++) | |
3010 { | |
3011 if (swap) | |
3012 swap_bytes<sizeof (SRC_T)> (&data[i]); | |
3013 else if (do_float_fmt_conv) | |
3014 do_float_format_conversion (&data[i], sizeof (SRC_T), | |
3015 1, from_flt_fmt, | |
3016 oct_mach_info::float_format ()); | |
3017 | |
3018 dst_elt_type tmp (data[i]); | |
3019 | |
3020 if (do_NA_conv && __lo_ieee_is_old_NA (tmp)) | |
3021 tmp = __lo_ieee_replace_old_NA (tmp); | |
3022 | |
3023 conv_data[j] = tmp; | |
3024 } | |
3025 } | |
3026 else | |
3027 { | |
3028 if (do_NA_conv) | |
3029 { | |
3030 for (octave_idx_type i = 0; i < input_buf_elts && j < elts_read; | |
3031 i++, j++) | |
3032 { | |
3033 dst_elt_type tmp (data[i]); | |
3034 | |
3035 if (__lo_ieee_is_old_NA (tmp)) | |
3036 tmp = __lo_ieee_replace_old_NA (tmp); | |
3037 | |
3038 conv_data[j] = tmp; | |
3039 } | |
3040 } | |
3041 else | |
3042 { | |
3043 for (octave_idx_type i = 0; i < input_buf_elts && j < elts_read; | |
3044 i++, j++) | |
3045 conv_data[j] = data[i]; | |
3046 } | |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3047 } |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3048 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3049 delete [] data; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3050 } |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3051 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3052 input_buf_list.clear (); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3053 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3054 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
|
3055 conv_data[i] = dst_elt_type (0); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3056 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3057 return conv; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3058 } |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3059 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3060 typedef octave_value (*conv_fptr) |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3061 (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
|
3062 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
|
3063 bool swap, bool do_float_fmt_conv, bool do_NA_conv, |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3064 oct_mach_info::float_format from_flt_fmt); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3065 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3066 #define TABLE_ELT(T, U, V, W) \ |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3067 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
|
3068 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3069 #define FILL_TABLE_ROW(T, V) \ |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3070 TABLE_ELT (T, dt_int8, V, int8NDArray); \ |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3071 TABLE_ELT (T, dt_uint8, V, uint8NDArray); \ |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3072 TABLE_ELT (T, dt_int16, V, int16NDArray); \ |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3073 TABLE_ELT (T, dt_uint16, V, uint16NDArray); \ |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3074 TABLE_ELT (T, dt_int32, V, int32NDArray); \ |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3075 TABLE_ELT (T, dt_uint32, V, uint32NDArray); \ |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3076 TABLE_ELT (T, dt_int64, V, int64NDArray); \ |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3077 TABLE_ELT (T, dt_uint64, V, uint64NDArray); \ |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3078 TABLE_ELT (T, dt_single, V, FloatNDArray); \ |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3079 TABLE_ELT (T, dt_double, V, NDArray); \ |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3080 TABLE_ELT (T, dt_char, V, charNDArray); \ |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3081 TABLE_ELT (T, dt_schar, V, charNDArray); \ |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3082 TABLE_ELT (T, dt_uchar, V, charNDArray); \ |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3083 TABLE_ELT (T, dt_logical, V, boolNDArray); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3084 |
2117 | 3085 octave_value |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3086 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
|
3087 octave_idx_type input_buf_elts, |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3088 octave_idx_type elts_read, |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3089 octave_idx_type nr, octave_idx_type nc, |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3090 oct_data_conv::data_type input_type, |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3091 oct_data_conv::data_type output_type, |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3092 oct_mach_info::float_format ffmt) |
2117 | 3093 { |
3094 octave_value retval; | |
3095 | |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3096 static bool initialized = false; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3097 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3098 // Table function pointers for return types x read types. |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3099 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3100 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
|
3101 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3102 if (! initialized) |
4944 | 3103 { |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3104 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
|
3105 for (int j = 0; j < 14; j++) |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3106 conv_fptr_table[i][j] = 0; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3107 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3108 FILL_TABLE_ROW (dt_int8, int8_t); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3109 FILL_TABLE_ROW (dt_uint8, uint8_t); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3110 FILL_TABLE_ROW (dt_int16, int16_t); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3111 FILL_TABLE_ROW (dt_uint16, uint16_t); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3112 FILL_TABLE_ROW (dt_int32, int32_t); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3113 FILL_TABLE_ROW (dt_uint32, uint32_t); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3114 FILL_TABLE_ROW (dt_int64, int64_t); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3115 FILL_TABLE_ROW (dt_uint64, uint64_t); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
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17416
diff
changeset
|
3116 FILL_TABLE_ROW (dt_single, float); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
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17416
diff
changeset
|
3117 FILL_TABLE_ROW (dt_double, double); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3118 FILL_TABLE_ROW (dt_char, char); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3119 FILL_TABLE_ROW (dt_schar, signed char); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3120 FILL_TABLE_ROW (dt_uchar, unsigned char); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3121 FILL_TABLE_ROW (dt_logical, bool); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3122 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3123 initialized = true; |
4944 | 3124 } |
3125 | |
3126 bool swap = false; | |
3127 | |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3128 if (ffmt == oct_mach_info::flt_fmt_unknown) |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3129 ffmt = float_format (); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3130 |
4944 | 3131 if (oct_mach_info::words_big_endian ()) |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3132 swap = (ffmt == oct_mach_info::flt_fmt_ieee_little_endian); |
4944 | 3133 else |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3134 swap = (ffmt == oct_mach_info::flt_fmt_ieee_big_endian); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3135 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3136 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
|
3137 || input_type == oct_data_conv::dt_single) |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3138 && ffmt != float_format ()); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3139 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3140 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
|
3141 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3142 switch (output_type) |
4944 | 3143 { |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3144 case oct_data_conv::dt_int8: |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3145 case oct_data_conv::dt_uint8: |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3146 case oct_data_conv::dt_int16: |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3147 case oct_data_conv::dt_uint16: |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3148 case oct_data_conv::dt_int32: |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3149 case oct_data_conv::dt_uint32: |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3150 case oct_data_conv::dt_int64: |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3151 case oct_data_conv::dt_uint64: |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3152 case oct_data_conv::dt_single: |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3153 case oct_data_conv::dt_double: |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3154 case oct_data_conv::dt_char: |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3155 case oct_data_conv::dt_schar: |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3156 case oct_data_conv::dt_uchar: |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3157 case oct_data_conv::dt_logical: |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3158 { |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3159 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
|
3160 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3161 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
|
3162 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
|
3163 } |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3164 break; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3165 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3166 default: |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3167 retval = false; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3168 (*current_liboctave_error_handler) |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3169 ("read: invalid type specification"); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3170 break; |
4944 | 3171 } |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
3172 |
4944 | 3173 |
3174 return retval; | |
3175 } | |
3176 | |
3177 octave_value | |
5275 | 3178 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
|
3179 oct_data_conv::data_type input_type, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3180 oct_data_conv::data_type output_type, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3181 octave_idx_type skip, oct_mach_info::float_format ffmt, |
18209
a0abcf377ec5
return elements read, not bytes in fread second output (bug #41091)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
3182 octave_idx_type& count) |
4944 | 3183 { |
3184 octave_value retval; | |
3185 | |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3186 octave_idx_type nr = -1; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3187 octave_idx_type nc = -1; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3188 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3189 bool one_elt_size_spec = false; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3190 |
5659 | 3191 if (stream_ok ()) |
4944 | 3192 { |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
3193 // FIXME: we may eventually want to make this extensible. |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
3194 |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
3195 // FIXME: we need a better way to ensure that this |
4944 | 3196 // numbering stays consistent with the order of the elements in the |
3197 // data_type enum in the oct_data_conv class. | |
3198 | |
18209
a0abcf377ec5
return elements read, not bytes in fread second output (bug #41091)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
3199 // Expose this in a future version? |
a0abcf377ec5
return elements read, not bytes in fread second output (bug #41091)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
3200 octave_idx_type char_count = 0; |
a0abcf377ec5
return elements read, not bytes in fread second output (bug #41091)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
3201 |
a0abcf377ec5
return elements read, not bytes in fread second output (bug #41091)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
3202 count = 0; |
4944 | 3203 |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3204 get_size (size, nr, nc, one_elt_size_spec, "fread"); |
4944 | 3205 |
3206 if (! error_state) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3207 { |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3208 |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
3209 octave_idx_type elts_to_read |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
3210 = std::numeric_limits<octave_idx_type>::max (); |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3211 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3212 if (one_elt_size_spec) |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3213 { |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3214 // If NR == 0, Matlab returns [](0x0). |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3215 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3216 // If NR > 0, the result will be a column vector with the given |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3217 // number of rows. |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3218 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3219 // If NR < 0, then we have Inf and the result will be a column |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3220 // vector but we have to wait to see how big NR will be. |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3221 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3222 if (nr == 0) |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3223 nr = nc = 0; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3224 else |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3225 nc = 1; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3226 } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3227 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3228 { |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3229 // Matlab returns [] even if there are two elements in the size |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3230 // specification and one is nonzero. |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3231 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3232 // If NC < 0 we have [NR, Inf] and we'll wait to decide how big NC |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3233 // should be. |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3234 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3235 if (nr == 0 || nc == 0) |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3236 nr = nc = 0; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3237 } |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3238 |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
3239 // FIXME: ensure that this does not overflow. |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3240 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3241 elts_to_read = nr * nc; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3242 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3243 bool read_to_eof = elts_to_read < 0; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3244 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3245 octave_idx_type input_buf_elts = -1; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3246 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3247 if (skip == 0) |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3248 { |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3249 if (read_to_eof) |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3250 input_buf_elts = 1024 * 1024; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3251 else |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3252 input_buf_elts = elts_to_read; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3253 } |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3254 else |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3255 input_buf_elts = block_size; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3256 |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
3257 octave_idx_type input_elt_size |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
3258 = oct_data_conv::data_type_size (input_type); |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3259 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3260 octave_idx_type input_buf_size = input_buf_elts * input_elt_size; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3261 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3262 assert (input_buf_size >= 0); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3263 |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
3264 // Must also work and return correct type object |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
3265 // for 0 elements to read. |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3266 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3267 std::istream *isp = input_stream (); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3268 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3269 if (isp) |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3270 { |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3271 std::istream& is = *isp; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3272 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3273 std::list <void *> input_buf_list; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3274 |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
3275 while (is && ! is.eof () |
18209
a0abcf377ec5
return elements read, not bytes in fread second output (bug #41091)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
3276 && (read_to_eof || count < elts_to_read)) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3277 { |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3278 char *input_buf = new char [input_buf_size]; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3279 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3280 is.read (input_buf, input_buf_size); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3281 |
18209
a0abcf377ec5
return elements read, not bytes in fread second output (bug #41091)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
3282 size_t gcount = is.gcount (); |
a0abcf377ec5
return elements read, not bytes in fread second output (bug #41091)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
3283 |
a0abcf377ec5
return elements read, not bytes in fread second output (bug #41091)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
3284 char_count += gcount; |
a0abcf377ec5
return elements read, not bytes in fread second output (bug #41091)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
3285 |
a0abcf377ec5
return elements read, not bytes in fread second output (bug #41091)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
3286 count += gcount / input_elt_size; |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3287 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3288 input_buf_list.push_back (input_buf); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3289 |
18209
a0abcf377ec5
return elements read, not bytes in fread second output (bug #41091)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
3290 if (is && skip != 0 && count == block_size) |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3291 { |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3292 int seek_status = seek (skip, SEEK_CUR); |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3293 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3294 if (seek_status < 0) |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3295 break; |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3296 } |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3297 } |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3298 |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3299 if (read_to_eof) |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3300 { |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3301 if (nc < 0) |
18209
a0abcf377ec5
return elements read, not bytes in fread second output (bug #41091)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
3302 nc = count / nr + 1; |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3303 else |
18209
a0abcf377ec5
return elements read, not bytes in fread second output (bug #41091)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
3304 nr = count; |
a0abcf377ec5
return elements read, not bytes in fread second output (bug #41091)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
3305 } |
a0abcf377ec5
return elements read, not bytes in fread second output (bug #41091)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
3306 else if (count == 0) |
a0abcf377ec5
return elements read, not bytes in fread second output (bug #41091)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
3307 { |
a0abcf377ec5
return elements read, not bytes in fread second output (bug #41091)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
3308 nr = 0; |
a0abcf377ec5
return elements read, not bytes in fread second output (bug #41091)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
3309 nc = 0; |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3310 } |
18209
a0abcf377ec5
return elements read, not bytes in fread second output (bug #41091)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
3311 else if (count != nr * nc) |
a0abcf377ec5
return elements read, not bytes in fread second output (bug #41091)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
3312 { |
a0abcf377ec5
return elements read, not bytes in fread second output (bug #41091)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
3313 if (count % nr != 0) |
a0abcf377ec5
return elements read, not bytes in fread second output (bug #41091)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
3314 nc = count / nr + 1; |
a0abcf377ec5
return elements read, not bytes in fread second output (bug #41091)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
3315 |
a0abcf377ec5
return elements read, not bytes in fread second output (bug #41091)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
3316 if (count < nr) |
a0abcf377ec5
return elements read, not bytes in fread second output (bug #41091)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
3317 nr = count; |
a0abcf377ec5
return elements read, not bytes in fread second output (bug #41091)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
3318 } |
a0abcf377ec5
return elements read, not bytes in fread second output (bug #41091)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
3319 |
a0abcf377ec5
return elements read, not bytes in fread second output (bug #41091)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
3320 retval = finalize_read (input_buf_list, input_buf_elts, count, |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3321 nr, nc, input_type, output_type, ffmt); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3322 } |
17453
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3323 else |
669ad11f282d
improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents:
17416
diff
changeset
|
3324 error ("fread: invalid input stream"); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3325 } |
4944 | 3326 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3327 invalid_operation ("fread", "reading"); |
4944 | 3328 } |
2117 | 3329 |
3330 return retval; | |
3331 } | |
3332 | |
5275 | 3333 octave_idx_type |
3334 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
|
3335 oct_data_conv::data_type output_type, |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
3336 octave_idx_type skip, oct_mach_info::float_format flt_fmt) |
2117 | 3337 { |
5275 | 3338 octave_idx_type retval = -1; |
2117 | 3339 |
5659 | 3340 if (stream_ok ()) |
4944 | 3341 { |
3342 if (! error_state) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3343 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3344 if (flt_fmt == oct_mach_info::flt_fmt_unknown) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3345 flt_fmt = float_format (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3346 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3347 octave_idx_type status = data.write (*this, block_size, output_type, |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
3348 skip, flt_fmt); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3349 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3350 if (status < 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3351 error ("fwrite: write error"); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3352 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3353 retval = status; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3354 } |
4944 | 3355 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3356 invalid_operation ("fwrite", "writing"); |
4944 | 3357 } |
2117 | 3358 |
3359 return retval; | |
3360 } | |
3361 | |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3362 template <class T, class V> |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3363 static void |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3364 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
|
3365 bool swap) |
4944 | 3366 { |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3367 typedef typename V::val_type val_type; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3368 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3369 val_type *vt_data = static_cast <val_type *> (conv_data); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3370 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3371 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
|
3372 { |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3373 V val (data[i]); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3374 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3375 vt_data[i] = val.value (); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3376 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3377 if (swap) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3378 swap_bytes<sizeof (val_type)> (&vt_data[i]); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3379 } |
4944 | 3380 } |
3381 | |
3382 template <class T> | |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3383 static bool |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3384 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
|
3385 oct_data_conv::data_type output_type, |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3386 oct_mach_info::float_format flt_fmt) |
4944 | 3387 { |
3388 bool retval = true; | |
3389 | |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3390 bool swap |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3391 = ((oct_mach_info::words_big_endian () |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3392 && flt_fmt == oct_mach_info::flt_fmt_ieee_little_endian) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3393 || flt_fmt == oct_mach_info::flt_fmt_ieee_big_endian); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3394 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3395 bool do_float_conversion = flt_fmt != oct_mach_info::float_format (); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3396 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3397 // We use octave_intN classes here instead of converting directly to |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3398 // intN_t so that we get integer saturation semantics. |
4944 | 3399 |
3400 switch (output_type) | |
3401 { | |
3402 case oct_data_conv::dt_char: | |
3403 case oct_data_conv::dt_schar: | |
3404 case oct_data_conv::dt_int8: | |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3405 convert_ints<T, octave_int8> (data, conv_data, n_elts, swap); |
4944 | 3406 break; |
3407 | |
3408 case oct_data_conv::dt_uchar: | |
3409 case oct_data_conv::dt_uint8: | |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3410 convert_ints<T, octave_uint8> (data, conv_data, n_elts, swap); |
4944 | 3411 break; |
3412 | |
3413 case oct_data_conv::dt_int16: | |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3414 convert_ints<T, octave_int16> (data, conv_data, n_elts, swap); |
4944 | 3415 break; |
3416 | |
3417 case oct_data_conv::dt_uint16: | |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3418 convert_ints<T, octave_uint16> (data, conv_data, n_elts, swap); |
4944 | 3419 break; |
3420 | |
3421 case oct_data_conv::dt_int32: | |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3422 convert_ints<T, octave_int32> (data, conv_data, n_elts, swap); |
4944 | 3423 break; |
3424 | |
3425 case oct_data_conv::dt_uint32: | |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3426 convert_ints<T, octave_uint32> (data, conv_data, n_elts, swap); |
4944 | 3427 break; |
3428 | |
3429 case oct_data_conv::dt_int64: | |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3430 convert_ints<T, octave_int64> (data, conv_data, n_elts, swap); |
4944 | 3431 break; |
3432 | |
3433 case oct_data_conv::dt_uint64: | |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3434 convert_ints<T, octave_uint64> (data, conv_data, n_elts, swap); |
4944 | 3435 break; |
3436 | |
3437 case oct_data_conv::dt_single: | |
3438 { | |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3439 float *vt_data = static_cast <float *> (conv_data); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3440 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3441 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
|
3442 { |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3443 vt_data[i] = data[i]; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3444 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3445 if (do_float_conversion) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3446 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
|
3447 } |
4944 | 3448 } |
3449 break; | |
3450 | |
3451 case oct_data_conv::dt_double: | |
3452 { | |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3453 double *vt_data = static_cast <double *> (conv_data); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3454 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3455 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
|
3456 { |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3457 vt_data[i] = data[i]; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3458 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3459 if (do_float_conversion) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3460 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
|
3461 } |
4944 | 3462 } |
3463 break; | |
3464 | |
3465 default: | |
3466 retval = false; | |
3467 (*current_liboctave_error_handler) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3468 ("write: invalid type specification"); |
4944 | 3469 break; |
3470 } | |
3471 | |
3472 return retval; | |
3473 } | |
3474 | |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3475 bool |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3476 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
|
3477 { |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3478 bool status = false; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3479 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3480 std::ostream *osp = output_stream (); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3481 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3482 if (osp) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3483 { |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3484 std::ostream& os = *osp; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3485 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3486 if (os) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3487 { |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3488 os.write (static_cast<const char *> (data), nbytes); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3489 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3490 if (os) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3491 status = true; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3492 } |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3493 } |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3494 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3495 return status; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3496 } |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3497 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3498 bool |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3499 octave_stream::skip_bytes (size_t skip) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3500 { |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3501 bool status = false; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3502 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3503 std::ostream *osp = output_stream (); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3504 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3505 if (osp) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3506 { |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3507 std::ostream& os = *osp; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3508 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3509 // Seek to skip when inside bounds of existing file. |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3510 // Otherwise, write NUL to skip. |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3511 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3512 off_t orig_pos = tell (); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3513 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3514 seek (0, SEEK_END); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3515 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3516 off_t eof_pos = tell (); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3517 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3518 // Is it possible for this to fail to return us to the |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3519 // original position? |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3520 seek (orig_pos, SEEK_SET); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3521 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3522 size_t remaining = eof_pos - orig_pos; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3523 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3524 if (remaining < skip) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3525 { |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3526 seek (0, SEEK_END); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3527 |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
3528 // FIXME: probably should try to write larger blocks... |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3529 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3530 unsigned char zero = 0; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3531 for (size_t j = 0; j < skip - remaining; j++) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3532 os.write (reinterpret_cast<const char *> (&zero), 1); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3533 } |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3534 else |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3535 seek (skip, SEEK_CUR); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3536 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3537 if (os) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3538 status = true; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3539 } |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3540 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3541 return status; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3542 } |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3543 |
4944 | 3544 template <class T> |
5275 | 3545 octave_idx_type |
3546 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
|
3547 oct_data_conv::data_type output_type, |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3548 octave_idx_type skip, |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3549 oct_mach_info::float_format flt_fmt) |
4944 | 3550 { |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
3551 bool swap = ((oct_mach_info::words_big_endian () |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
3552 && flt_fmt == oct_mach_info::flt_fmt_ieee_little_endian) |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
3553 || flt_fmt == oct_mach_info::flt_fmt_ieee_big_endian); |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
3554 |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
3555 bool do_data_conversion = (swap || ! is_equivalent_type<T> (output_type) |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
3556 || flt_fmt != oct_mach_info::float_format ()); |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3557 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3558 octave_idx_type nel = data.numel (); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3559 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3560 octave_idx_type chunk_size; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3561 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3562 if (skip != 0) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3563 chunk_size = block_size; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3564 else if (do_data_conversion) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3565 chunk_size = 1024 * 1024; |
4944 | 3566 else |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3567 chunk_size = nel; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3568 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3569 octave_idx_type i = 0; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3570 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3571 const T *pdata = data.data (); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3572 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3573 while (i < nel) |
4944 | 3574 { |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3575 if (skip != 0) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3576 { |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3577 if (! skip_bytes (skip)) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3578 return -1; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3579 } |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3580 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3581 octave_idx_type remaining_nel = nel - i; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3582 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3583 if (chunk_size > remaining_nel) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3584 chunk_size = remaining_nel; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3585 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3586 bool status = false; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3587 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3588 if (do_data_conversion) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3589 { |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3590 size_t output_size |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3591 = 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
|
3592 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3593 OCTAVE_LOCAL_BUFFER (unsigned char, conv_data, output_size); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3594 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3595 status = convert_data (&pdata[i], conv_data, chunk_size, |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3596 output_type, flt_fmt); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3597 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3598 if (status) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3599 status = write_bytes (conv_data, output_size); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3600 } |
4944 | 3601 else |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3602 status = write_bytes (pdata, sizeof (T) * chunk_size); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3603 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3604 if (! status) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3605 return -1; |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3606 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3607 i += chunk_size; |
4944 | 3608 } |
3609 | |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3610 return nel; |
4944 | 3611 } |
3612 | |
17416
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3613 #define INSTANTIATE_WRITE(T) \ |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3614 template \ |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3615 octave_idx_type \ |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3616 octave_stream::write (const Array<T>& data, octave_idx_type block_size, \ |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3617 oct_data_conv::data_type output_type, \ |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3618 octave_idx_type skip, \ |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3619 oct_mach_info::float_format flt_fmt) |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3620 |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3621 INSTANTIATE_WRITE (octave_int8); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3622 INSTANTIATE_WRITE (octave_uint8); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3623 INSTANTIATE_WRITE (octave_int16); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3624 INSTANTIATE_WRITE (octave_uint16); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3625 INSTANTIATE_WRITE (octave_int32); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3626 INSTANTIATE_WRITE (octave_uint32); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3627 INSTANTIATE_WRITE (octave_int64); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3628 INSTANTIATE_WRITE (octave_uint64); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3629 INSTANTIATE_WRITE (int8_t); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3630 INSTANTIATE_WRITE (uint8_t); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3631 INSTANTIATE_WRITE (int16_t); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3632 INSTANTIATE_WRITE (uint16_t); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3633 INSTANTIATE_WRITE (int32_t); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3634 INSTANTIATE_WRITE (uint32_t); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3635 INSTANTIATE_WRITE (int64_t); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3636 INSTANTIATE_WRITE (uint64_t); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3637 INSTANTIATE_WRITE (bool); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3638 INSTANTIATE_WRITE (char); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3639 INSTANTIATE_WRITE (float); |
6690dba6078a
improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents:
17415
diff
changeset
|
3640 INSTANTIATE_WRITE (double); |
4944 | 3641 |
2117 | 3642 octave_value |
3810 | 3643 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
|
3644 octave_idx_type& count, const std::string& who) |
2117 | 3645 { |
3646 octave_value retval; | |
3647 | |
5659 | 3648 if (stream_ok ()) |
4468 | 3649 retval = rep->scanf (fmt, size, count, who); |
2117 | 3650 |
3651 return retval; | |
3652 } | |
3653 | |
5279 | 3654 octave_value |
3655 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
|
3656 octave_idx_type& count, const std::string& who) |
5279 | 3657 { |
3658 octave_value retval = Matrix (); | |
3659 | |
3660 if (fmt.is_string ()) | |
3661 { | |
3662 std::string sfmt = fmt.string_value (); | |
3663 | |
3664 if (fmt.is_sq_string ()) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3665 sfmt = do_string_escapes (sfmt); |
5279 | 3666 |
3667 retval = scanf (sfmt, size, count, who); | |
3668 } | |
3669 else | |
3670 { | |
3671 // Note that this is not ::error () ! | |
3672 | |
3673 error (who + ": format must be a string"); | |
3674 } | |
3675 | |
3676 return retval; | |
3677 } | |
3678 | |
2215 | 3679 octave_value_list |
4468 | 3680 octave_stream::oscanf (const std::string& fmt, const std::string& who) |
2215 | 3681 { |
3682 octave_value_list retval; | |
3683 | |
5659 | 3684 if (stream_ok ()) |
4468 | 3685 retval = rep->oscanf (fmt, who); |
2215 | 3686 |
3687 return retval; | |
3688 } | |
3689 | |
5279 | 3690 octave_value_list |
3691 octave_stream::oscanf (const octave_value& fmt, const std::string& who) | |
3692 { | |
3693 octave_value_list retval; | |
3694 | |
3695 if (fmt.is_string ()) | |
3696 { | |
3697 std::string sfmt = fmt.string_value (); | |
3698 | |
3699 if (fmt.is_sq_string ()) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3700 sfmt = do_string_escapes (sfmt); |
5279 | 3701 |
3702 retval = oscanf (sfmt, who); | |
3703 } | |
3704 else | |
3705 { | |
3706 // Note that this is not ::error () ! | |
3707 | |
3708 error (who + ": format must be a string"); | |
3709 } | |
3710 | |
3711 return retval; | |
3712 } | |
3713 | |
2117 | 3714 int |
4468 | 3715 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
|
3716 const std::string& who) |
2117 | 3717 { |
3718 int retval = -1; | |
3719 | |
5659 | 3720 if (stream_ok ()) |
4468 | 3721 retval = rep->printf (fmt, args, who); |
2117 | 3722 |
3723 return retval; | |
3724 } | |
3725 | |
3726 int | |
5279 | 3727 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
|
3728 const std::string& who) |
5279 | 3729 { |
3730 int retval = 0; | |
3731 | |
3732 if (fmt.is_string ()) | |
3733 { | |
3734 std::string sfmt = fmt.string_value (); | |
3735 | |
3736 if (fmt.is_sq_string ()) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3737 sfmt = do_string_escapes (sfmt); |
5279 | 3738 |
3739 retval = printf (sfmt, args, who); | |
3740 } | |
3741 else | |
3742 { | |
3743 // Note that this is not ::error () ! | |
3744 | |
3745 error (who + ": format must be a string"); | |
3746 } | |
3747 | |
3748 return retval; | |
3749 } | |
3750 | |
3751 int | |
4468 | 3752 octave_stream::puts (const std::string& s, const std::string& who) |
2117 | 3753 { |
3754 int retval = -1; | |
3755 | |
5659 | 3756 if (stream_ok ()) |
4468 | 3757 retval = rep->puts (s, who); |
2117 | 3758 |
3759 return retval; | |
3760 } | |
3761 | |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
3762 // FIXME: maybe this should work for string arrays too. |
2117 | 3763 |
3764 int | |
4468 | 3765 octave_stream::puts (const octave_value& tc_s, const std::string& who) |
2117 | 3766 { |
3767 int retval = -1; | |
3768 | |
3769 if (tc_s.is_string ()) | |
3770 { | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3771 std::string s = tc_s.string_value (); |
5279 | 3772 retval = puts (s, who); |
2117 | 3773 } |
3774 else | |
4468 | 3775 { |
3776 // Note that this is not ::error () ! | |
3777 | |
3778 error (who + ": argument must be a string"); | |
3779 } | |
2117 | 3780 |
3781 return retval; | |
3782 } | |
3783 | |
3784 bool | |
3785 octave_stream::eof (void) const | |
3786 { | |
3787 int retval = -1; | |
3788 | |
5659 | 3789 if (stream_ok ()) |
2117 | 3790 retval = rep->eof (); |
3791 | |
3792 return retval; | |
3793 } | |
3794 | |
3536 | 3795 std::string |
2435 | 3796 octave_stream::error (bool clear, int& err_num) |
2117 | 3797 { |
5649 | 3798 std::string retval = "invalid stream object"; |
3799 | |
5659 | 3800 if (stream_ok (false)) |
2435 | 3801 retval = rep->error (clear, err_num); |
2117 | 3802 |
3803 return retval; | |
3804 } | |
3805 | |
3536 | 3806 std::string |
3340 | 3807 octave_stream::name (void) const |
2117 | 3808 { |
3523 | 3809 std::string retval; |
2117 | 3810 |
5659 | 3811 if (stream_ok ()) |
2117 | 3812 retval = rep->name (); |
3813 | |
3814 return retval; | |
3815 } | |
3816 | |
3817 int | |
3340 | 3818 octave_stream::mode (void) const |
2117 | 3819 { |
3820 int retval = 0; | |
3821 | |
5659 | 3822 if (stream_ok ()) |
2117 | 3823 retval = rep->mode (); |
3824 | |
3825 return retval; | |
3826 } | |
3827 | |
2317 | 3828 oct_mach_info::float_format |
3340 | 3829 octave_stream::float_format (void) const |
2117 | 3830 { |
4574 | 3831 oct_mach_info::float_format retval = oct_mach_info::flt_fmt_unknown; |
2317 | 3832 |
5659 | 3833 if (stream_ok ()) |
2317 | 3834 retval = rep->float_format (); |
2117 | 3835 |
3836 return retval; | |
3837 } | |
3838 | |
3536 | 3839 std::string |
2117 | 3840 octave_stream::mode_as_string (int mode) |
3841 { | |
3523 | 3842 std::string retval = "???"; |
3775 | 3843 std::ios::openmode in_mode = static_cast<std::ios::openmode> (mode); |
3844 | |
3845 if (in_mode == std::ios::in) | |
3846 retval = "r"; | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3847 else if (in_mode == std::ios::out |
4078 | 3848 || in_mode == (std::ios::out | std::ios::trunc)) |
3775 | 3849 retval = "w"; |
4078 | 3850 else if (in_mode == (std::ios::out | std::ios::app)) |
3775 | 3851 retval = "a"; |
4078 | 3852 else if (in_mode == (std::ios::in | std::ios::out)) |
3775 | 3853 retval = "r+"; |
4078 | 3854 else if (in_mode == (std::ios::in | std::ios::out | std::ios::trunc)) |
3775 | 3855 retval = "w+"; |
4078 | 3856 else if (in_mode == (std::ios::in | std::ios::out | std::ios::ate)) |
3775 | 3857 retval = "a+"; |
4078 | 3858 else if (in_mode == (std::ios::in | std::ios::binary)) |
3775 | 3859 retval = "rb"; |
4078 | 3860 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
|
3861 || in_mode == (std::ios::out | std::ios::trunc | std::ios::binary)) |
3775 | 3862 retval = "wb"; |
4078 | 3863 else if (in_mode == (std::ios::out | std::ios::app | std::ios::binary)) |
3775 | 3864 retval = "ab"; |
4078 | 3865 else if (in_mode == (std::ios::in | std::ios::out | std::ios::binary)) |
3775 | 3866 retval = "r+b"; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11574
diff
changeset
|
3867 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
|
3868 | std::ios::binary)) |
3775 | 3869 retval = "w+b"; |
4078 | 3870 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
|
3871 | std::ios::binary)) |
3775 | 3872 retval = "a+b"; |
2117 | 3873 |
3874 return retval; | |
3875 } | |
3876 | |
3877 octave_stream_list *octave_stream_list::instance = 0; | |
3878 | |
2926 | 3879 bool |
3880 octave_stream_list::instance_ok (void) | |
3881 { | |
3882 bool retval = true; | |
3883 | |
3884 if (! instance) | |
13983
7dd7cccf0757
clean up memory allocated for singletons before exit
John W. Eaton <jwe@octave.org>
parents:
13271
diff
changeset
|
3885 { |
7dd7cccf0757
clean up memory allocated for singletons before exit
John W. Eaton <jwe@octave.org>
parents:
13271
diff
changeset
|
3886 instance = new octave_stream_list (); |
7dd7cccf0757
clean up memory allocated for singletons before exit
John W. Eaton <jwe@octave.org>
parents:
13271
diff
changeset
|
3887 |
7dd7cccf0757
clean up memory allocated for singletons before exit
John W. Eaton <jwe@octave.org>
parents:
13271
diff
changeset
|
3888 if (instance) |
7dd7cccf0757
clean up memory allocated for singletons before exit
John W. Eaton <jwe@octave.org>
parents:
13271
diff
changeset
|
3889 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
|
3890 } |
2926 | 3891 |
3892 if (! instance) | |
3893 { | |
3894 ::error ("unable to create stream list object!"); | |
3895 | |
3896 retval = false; | |
3897 } | |
3898 | |
3899 return retval; | |
3900 } | |
3901 | |
5353 | 3902 int |
6757 | 3903 octave_stream_list::insert (octave_stream& os) |
2926 | 3904 { |
5353 | 3905 return (instance_ok ()) ? instance->do_insert (os) : -1; |
2926 | 3906 } |
3907 | |
3340 | 3908 octave_stream |
3523 | 3909 octave_stream_list::lookup (int fid, const std::string& who) |
2926 | 3910 { |
3341 | 3911 return (instance_ok ()) ? instance->do_lookup (fid, who) : octave_stream (); |
2926 | 3912 } |
3913 | |
3340 | 3914 octave_stream |
3523 | 3915 octave_stream_list::lookup (const octave_value& fid, const std::string& who) |
2926 | 3916 { |
3341 | 3917 return (instance_ok ()) ? instance->do_lookup (fid, who) : octave_stream (); |
2926 | 3918 } |
3919 | |
3920 int | |
3523 | 3921 octave_stream_list::remove (int fid, const std::string& who) |
2926 | 3922 { |
3341 | 3923 return (instance_ok ()) ? instance->do_remove (fid, who) : -1; |
2926 | 3924 } |
3925 | |
3926 int | |
3523 | 3927 octave_stream_list::remove (const octave_value& fid, const std::string& who) |
2926 | 3928 { |
3341 | 3929 return (instance_ok ()) ? instance->do_remove (fid, who) : -1; |
2926 | 3930 } |
3931 | |
3932 void | |
8902
5d5db7a347c6
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3933 octave_stream_list::clear (bool flush) |
2926 | 3934 { |
3935 if (instance) | |
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3936 instance->do_clear (flush); |
2926 | 3937 } |
3938 | |
3939 string_vector | |
3940 octave_stream_list::get_info (int fid) | |
3941 { | |
3942 return (instance_ok ()) ? instance->do_get_info (fid) : string_vector (); | |
3943 } | |
3944 | |
3945 string_vector | |
3946 octave_stream_list::get_info (const octave_value& fid) | |
3947 { | |
3948 return (instance_ok ()) ? instance->do_get_info (fid) : string_vector (); | |
3949 } | |
3950 | |
3536 | 3951 std::string |
2926 | 3952 octave_stream_list::list_open_files (void) |
3953 { | |
3523 | 3954 return (instance_ok ()) ? instance->do_list_open_files () : std::string (); |
2926 | 3955 } |
3956 | |
3957 octave_value | |
3958 octave_stream_list::open_file_numbers (void) | |
3959 { | |
3960 return (instance_ok ()) | |
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3961 ? instance->do_open_file_numbers () : octave_value (); |
2926 | 3962 } |
3963 | |
3964 int | |
3965 octave_stream_list::get_file_number (const octave_value& fid) | |
3966 { | |
3967 return (instance_ok ()) ? instance->do_get_file_number (fid) : -1; | |
3968 } | |
3969 | |
5353 | 3970 int |
6757 | 3971 octave_stream_list::do_insert (octave_stream& os) |
2117 | 3972 { |
6757 | 3973 // Insert item with key corresponding to file-descriptor. |
3974 | |
3975 int stream_number; | |
3976 | |
3977 if ((stream_number = os.file_number ()) == -1) | |
3978 return stream_number; | |
3979 | |
3980 // Should we test for "(list.find (stream_number) != list.end ()) && | |
3981 // list[stream_number].is_open ()" and respond with "error | |
3982 // ("internal error: ...")"? It should not happen except for some | |
3983 // bug or if the user has opened a stream with an interpreted | |
3984 // command, but closed it directly with a system call in an | |
3985 // oct-file; then the kernel knows the fd is free, but Octave does | |
3986 // not know. If it happens, it should not do harm here to simply | |
3987 // overwrite this entry, although the wrong entry might have done | |
3988 // harm before. | |
3989 | |
3990 if (list.size () < list.max_size ()) | |
3991 list[stream_number] = os; | |
3992 else | |
2117 | 3993 { |
6757 | 3994 stream_number = -1; |
3995 error ("could not create file id"); | |
3340 | 3996 } |
2117 | 3997 |
5353 | 3998 return stream_number; |
6757 | 3999 |
2117 | 4000 } |
4001 | |
3341 | 4002 static void |
3523 | 4003 gripe_invalid_file_id (int fid, const std::string& who) |
3341 | 4004 { |
4005 if (who.empty ()) | |
4006 ::error ("invalid stream number = %d", fid); | |
4007 else | |
4008 ::error ("%s: invalid stream number = %d", who.c_str (), fid); | |
4009 } | |
4010 | |
3340 | 4011 octave_stream |
3523 | 4012 octave_stream_list::do_lookup (int fid, const std::string& who) const |
2117 | 4013 { |
3340 | 4014 octave_stream retval; |
2117 | 4015 |
6757 | 4016 if (fid >= 0) |
4017 { | |
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4018 if (lookup_cache != list.end () && lookup_cache->first == fid) |
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4019 retval = lookup_cache->second; |
6757 | 4020 else |
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4021 { |
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4022 ostrl_map::const_iterator iter = list.find (fid); |
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4023 |
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4024 if (iter != list.end ()) |
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4025 { |
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4026 retval = iter->second; |
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4027 lookup_cache = iter; |
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4028 } |
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4029 else |
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4030 gripe_invalid_file_id (fid, who); |
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4031 } |
6757 | 4032 } |
3341 | 4033 else |
4034 gripe_invalid_file_id (fid, who); | |
2117 | 4035 |
4036 return retval; | |
4037 } | |
4038 | |
3340 | 4039 octave_stream |
3341 | 4040 octave_stream_list::do_lookup (const octave_value& fid, |
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4041 const std::string& who) const |
2117 | 4042 { |
3340 | 4043 octave_stream retval; |
2117 | 4044 |
4045 int i = get_file_number (fid); | |
4046 | |
4047 if (! error_state) | |
3341 | 4048 retval = do_lookup (i, who); |
2117 | 4049 |
4050 return retval; | |
4051 } | |
4052 | |
4053 int | |
3523 | 4054 octave_stream_list::do_remove (int fid, const std::string& who) |
2117 | 4055 { |
4056 int retval = -1; | |
4057 | |
3531 | 4058 // Can't remove stdin (std::cin), stdout (std::cout), or stderr |
4059 // (std::cerr). | |
2117 | 4060 |
6757 | 4061 if (fid > 2) |
2117 | 4062 { |
6757 | 4063 ostrl_map::iterator iter = list.find (fid); |
4064 | |
4065 if (iter != list.end ()) | |
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4066 { |
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4067 octave_stream os = iter->second; |
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4068 list.erase (iter); |
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4069 lookup_cache = list.end (); |
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4070 |
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4071 // FIXME: is this check redundant? |
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4072 if (os.is_valid ()) |
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4073 { |
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4074 os.close (); |
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4075 retval = 0; |
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4076 } |
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4077 else |
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4078 gripe_invalid_file_id (fid, who); |
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4079 } |
3341 | 4080 else |
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4081 gripe_invalid_file_id (fid, who); |
2117 | 4082 } |
3341 | 4083 else |
4084 gripe_invalid_file_id (fid, who); | |
2117 | 4085 |
4086 return retval; | |
4087 } | |
4088 | |
4089 int | |
3523 | 4090 octave_stream_list::do_remove (const octave_value& fid, const std::string& who) |
2117 | 4091 { |
4092 int retval = -1; | |
4093 | |
6054 | 4094 if (fid.is_string () && fid.string_value () == "all") |
4095 { | |
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4096 do_clear (false); |
6054 | 4097 |
4098 retval = 0; | |
4099 } | |
4100 else | |
4101 { | |
4102 int i = get_file_number (fid); | |
4103 | |
4104 if (! error_state) | |
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4105 retval = do_remove (i, who); |
6054 | 4106 } |
2117 | 4107 |
4108 return retval; | |
4109 } | |
4110 | |
4111 void | |
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4112 octave_stream_list::do_clear (bool flush) |
2117 | 4113 { |
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4114 if (flush) |
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4115 { |
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4116 // Do flush stdout and stderr. |
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4117 |
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4118 list[0].flush (); |
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4119 list[1].flush (); |
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4120 } |
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4121 |
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4122 octave_stream saved_os[3]; |
2117 | 4123 // But don't delete them or stdin. |
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4124 for (ostrl_map::iterator iter = list.begin (); iter != list.end (); iter++) |
6757 | 4125 { |
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4126 int fid = iter->first; |
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4127 octave_stream os = iter->second; |
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4128 if (fid < 3) |
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4129 saved_os[fid] = os; |
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4130 else if (os.is_valid ()) |
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4131 os.close (); |
6757 | 4132 } |
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4133 list.clear (); |
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4134 for (int fid = 0; fid < 3; fid++) list[fid] = saved_os[fid]; |
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4135 lookup_cache = list.end (); |
2117 | 4136 } |
4137 | |
4138 string_vector | |
4139 octave_stream_list::do_get_info (int fid) const | |
4140 { | |
4141 string_vector retval; | |
4142 | |
3340 | 4143 octave_stream os = do_lookup (fid); |
2117 | 4144 |
3341 | 4145 if (os.is_valid ()) |
2117 | 4146 { |
4147 retval.resize (3); | |
4148 | |
14022
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Return retval(1) before retval(0) to avoid re-sizing call on retval.
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|
4149 retval(2) = oct_mach_info::float_format_as_string (os.float_format ()); |
3340 | 4150 retval(1) = octave_stream::mode_as_string (os.mode ()); |
14022
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|
4151 retval(0) = os.name (); |
2117 | 4152 } |
4153 else | |
3341 | 4154 ::error ("invalid file id = %d", fid); |
2117 | 4155 |
4156 return retval; | |
4157 } | |
4158 | |
4159 string_vector | |
4160 octave_stream_list::do_get_info (const octave_value& fid) const | |
4161 { | |
4162 string_vector retval; | |
4163 | |
4164 int conv_err = 0; | |
4165 | |
4166 int int_fid = convert_to_valid_int (fid, conv_err); | |
4167 | |
4168 if (! conv_err) | |
4169 retval = do_get_info (int_fid); | |
4170 else | |
2915 | 4171 ::error ("file id must be a file object or integer value"); |
2117 | 4172 |
4173 return retval; | |
4174 } | |
4175 | |
3536 | 4176 std::string |
2117 | 4177 octave_stream_list::do_list_open_files (void) const |
4178 { | |
3523 | 4179 std::string retval; |
2117 | 4180 |
5765 | 4181 std::ostringstream buf; |
2117 | 4182 |
4183 buf << "\n" | |
4184 << " number mode arch name\n" | |
4185 << " ------ ---- ---- ----\n"; | |
4186 | |
6757 | 4187 for (ostrl_map::const_iterator p = list.begin (); p != list.end (); p++) |
2117 | 4188 { |
6757 | 4189 octave_stream os = p->second; |
2117 | 4190 |
4326 | 4191 buf << " " |
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4192 << std::setiosflags (std::ios::right) |
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4193 << std::setw (4) << p->first << " " |
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4194 << std::setiosflags (std::ios::left) |
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4195 << std::setw (3) |
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4196 << octave_stream::mode_as_string (os.mode ()) |
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4197 << " " |
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4198 << std::setw (9) |
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4199 << oct_mach_info::float_format_as_string (os.float_format ()) |
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4200 << " " |
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4201 << os.name () << "\n"; |
2117 | 4202 } |
4203 | |
5765 | 4204 buf << "\n"; |
4205 | |
4206 retval = buf.str (); | |
2117 | 4207 |
4208 return retval; | |
4209 } | |
4210 | |
4211 octave_value | |
4212 octave_stream_list::do_open_file_numbers (void) const | |
4213 { | |
6757 | 4214 Matrix retval (1, list.size (), 0.0); |
2117 | 4215 |
4216 int num_open = 0; | |
4217 | |
6757 | 4218 for (ostrl_map::const_iterator p = list.begin (); p != list.end (); p++) |
2117 | 4219 { |
6757 | 4220 // Skip stdin, stdout, and stderr. |
4221 | |
4222 if (p->first > 2 && p->second) | |
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4223 retval(0,num_open++) = p->first; |
2117 | 4224 } |
4225 | |
4226 retval.resize ((num_open > 0), num_open); | |
4227 | |
4228 return retval; | |
4229 } | |
4230 | |
4231 int | |
2609 | 4232 octave_stream_list::do_get_file_number (const octave_value& fid) const |
2117 | 4233 { |
4234 int retval = -1; | |
4235 | |
4236 if (fid.is_string ()) | |
4237 { | |
3523 | 4238 std::string nm = fid.string_value (); |
2117 | 4239 |
6757 | 4240 for (ostrl_map::const_iterator p = list.begin (); p != list.end (); p++) |
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4241 { |
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4242 // stdin (std::cin), stdout (std::cout), and stderr (std::cerr) |
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4243 // are unnamed. |
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4244 |
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4245 if (p->first > 2) |
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4246 { |
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John W. Eaton <jwe@octave.org>
parents:
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4247 octave_stream os = p->second; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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4248 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
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4249 if (os && os.name () == nm) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
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4250 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
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4251 retval = p->first; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
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4252 break; |
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untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
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4253 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
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4254 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
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4255 } |
2117 | 4256 } |
4257 else | |
4258 { | |
4259 int conv_err = 0; | |
4260 | |
4261 int int_fid = convert_to_valid_int (fid, conv_err); | |
4262 | |
4263 if (conv_err) | |
10315
57a59eae83cc
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John W. Eaton <jwe@octave.org>
parents:
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4264 ::error ("file id must be a file object, std::string, or integer value"); |
2117 | 4265 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
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4266 retval = int_fid; |
2117 | 4267 } |
4268 | |
4269 return retval; | |
4270 } |