Mercurial > octave-nkf
annotate src/oct-stream.cc @ 10454:79a56d0a6a0d ss-3-3-51
version is now 3.3.51
author | John W. Eaton <jwe@octave.org> |
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date | Wed, 24 Mar 2010 16:27:05 -0400 |
parents | 12884915a8e4 |
children | da355a1a6d44 |
rev | line source |
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2117 | 1 /* |
2 | |
7017 | 3 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, |
8920 | 4 2005, 2006, 2007, 2008, 2009 John W. Eaton |
2117 | 5 |
6 This file is part of Octave. | |
7 | |
8 Octave is free software; you can redistribute it and/or modify it | |
9 under the terms of the GNU General Public License as published by the | |
7016 | 10 Free Software Foundation; either version 3 of the License, or (at your |
11 option) any later version. | |
2117 | 12 |
13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 for more details. | |
17 | |
18 You should have received a copy of the GNU General Public License | |
7016 | 19 along with Octave; see the file COPYING. If not, see |
20 <http://www.gnu.org/licenses/>. | |
2117 | 21 |
22 */ | |
23 | |
24 #ifdef HAVE_CONFIG_H | |
25 #include <config.h> | |
26 #endif | |
27 | |
3268 | 28 #include <cassert> |
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29 #include <cctype> |
2215 | 30 #include <cstring> |
31 | |
3503 | 32 #include <iomanip> |
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33 #include <iostream> |
3559 | 34 #include <fstream> |
5765 | 35 #include <sstream> |
3535 | 36 #include <string> |
2117 | 37 |
4944 | 38 #include <Array.h> |
39 | |
40 #include "byte-swap.h" | |
2117 | 41 #include "lo-ieee.h" |
42 #include "lo-mappers.h" | |
43 #include "lo-utils.h" | |
44 #include "str-vec.h" | |
4153 | 45 #include "quit.h" |
2117 | 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 | |
5275 | 115 get_size (const Array<double>& size, octave_idx_type& nr, octave_idx_type& nc, bool& one_elt_size_spec, |
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116 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 (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 (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 (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]) <= static_cast<unsigned char> (s[i])) |
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288 { |
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289 // Add all characters from the range except the first (we |
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290 // already added it below). |
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291 |
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292 for (c = s[i-2]+1; c < s[i]; c++) |
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293 retval += c; |
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294 } |
3483 | 295 else |
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296 { |
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297 // Add the character to the class. Only add '-' if it is |
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298 // the last character in the class. |
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299 |
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300 if (c != '-' || i == len) |
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301 retval += c; |
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302 } |
3483 | 303 } |
304 | |
305 return retval; | |
306 } | |
307 | |
2117 | 308 void |
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309 scanf_format_list::process_conversion (const std::string& s, size_t& i, |
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310 size_t n, int& width, bool& discard, |
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311 char& type, char& modifier, |
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312 octave_idx_type& num_elts) |
2117 | 313 { |
2215 | 314 width = 0; |
2117 | 315 discard = false; |
316 modifier = '\0'; | |
317 type = '\0'; | |
318 | |
319 *buf << s[i++]; | |
320 | |
321 bool have_width = false; | |
322 | |
323 while (i < n) | |
324 { | |
325 switch (s[i]) | |
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326 { |
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327 case '*': |
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328 if (discard) |
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329 nconv = -1; |
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330 else |
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331 { |
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332 discard = true; |
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333 *buf << s[i++]; |
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334 } |
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335 break; |
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336 |
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337 case '0': case '1': case '2': case '3': case '4': |
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338 case '5': case '6': case '7': case '8': case '9': |
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339 if (have_width) |
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340 nconv = -1; |
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341 else |
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342 { |
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343 char c = s[i++]; |
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344 width = width * 10 + c - '0'; |
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345 have_width = true; |
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346 *buf << c; |
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347 while (i < n && isdigit (s[i])) |
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348 { |
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349 c = s[i++]; |
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350 width = width * 10 + c - '0'; |
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351 *buf << c; |
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352 } |
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353 } |
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354 break; |
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355 |
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356 case 'h': case 'l': case 'L': |
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357 if (modifier != '\0') |
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358 nconv = -1; |
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359 else |
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360 modifier = s[i++]; |
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361 break; |
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362 |
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363 case 'd': case 'i': case 'o': case 'u': case 'x': |
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364 if (modifier == 'L') |
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365 { |
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366 nconv = -1; |
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367 break; |
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368 } |
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369 goto fini; |
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370 |
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371 case 'e': case 'f': case 'g': |
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372 if (modifier == 'h') |
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373 { |
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374 nconv = -1; |
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375 break; |
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376 } |
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377 |
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378 // No float or long double conversions, thanks. |
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379 *buf << 'l'; |
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380 |
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381 goto fini; |
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382 |
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383 case 'c': case 's': case 'p': case '%': case '[': |
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384 if (modifier != '\0') |
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385 { |
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386 nconv = -1; |
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387 break; |
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388 } |
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389 goto fini; |
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390 |
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391 fini: |
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392 { |
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393 if (finish_conversion (s, i, n, width, discard, type, |
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394 modifier, num_elts) == 0) |
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395 return; |
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396 } |
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397 break; |
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398 |
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399 default: |
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400 nconv = -1; |
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401 break; |
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402 } |
2117 | 403 |
404 if (nconv < 0) | |
10315
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405 break; |
2117 | 406 } |
407 | |
408 nconv = -1; | |
409 } | |
410 | |
411 int | |
10187
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412 scanf_format_list::finish_conversion (const std::string& s, size_t& i, |
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413 size_t n, int& width, bool discard, |
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414 char& type, char modifier, |
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415 octave_idx_type& num_elts) |
2117 | 416 { |
417 int retval = 0; | |
418 | |
3523 | 419 std::string char_class; |
3483 | 420 |
10187
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421 size_t beg_idx = std::string::npos; |
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422 size_t end_idx = std::string::npos; |
3640 | 423 |
2117 | 424 if (s[i] == '%') |
3640 | 425 { |
426 type = '%'; | |
427 *buf << s[i++]; | |
428 } | |
2117 | 429 else |
430 { | |
431 type = s[i]; | |
432 | |
433 if (s[i] == '[') | |
10315
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434 { |
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435 *buf << s[i++]; |
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436 |
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437 if (i < n) |
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438 { |
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439 beg_idx = i; |
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440 |
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441 if (s[i] == '^') |
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442 { |
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443 type = '^'; |
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444 *buf << s[i++]; |
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445 |
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446 if (i < n) |
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447 { |
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448 beg_idx = i; |
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449 |
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450 if (s[i] == ']') |
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451 *buf << s[i++]; |
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452 } |
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453 } |
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454 else if (s[i] == ']') |
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455 *buf << s[i++]; |
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456 } |
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457 |
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458 while (i < n && s[i] != ']') |
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459 *buf << s[i++]; |
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460 |
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461 if (i < n && s[i] == ']') |
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462 { |
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463 end_idx = i-1; |
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464 *buf << s[i++]; |
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465 } |
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466 |
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467 if (s[i-1] != ']') |
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468 retval = nconv = -1; |
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469 } |
2117 | 470 else |
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471 *buf << s[i++]; |
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472 |
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473 nconv++; |
3640 | 474 } |
475 | |
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476 if (nconv >= 0) |
3640 | 477 { |
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478 if (beg_idx != std::string::npos && end_idx != std::string::npos) |
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479 char_class = expand_char_class (s.substr (beg_idx, |
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480 end_idx - beg_idx + 1)); |
3640 | 481 |
482 add_elt_to_list (width, discard, type, modifier, num_elts, char_class); | |
2117 | 483 } |
484 | |
485 return retval; | |
486 } | |
487 | |
488 void | |
489 scanf_format_list::printme (void) const | |
490 { | |
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491 octave_idx_type n = list.length (); |
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492 |
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493 for (octave_idx_type i = 0; i < n; i++) |
2117 | 494 { |
3340 | 495 scanf_format_elt *elt = list(i); |
2117 | 496 |
3531 | 497 std::cerr |
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498 << "width: " << elt->width << "\n" |
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499 << "discard: " << elt->discard << "\n" |
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500 << "type: "; |
3483 | 501 |
502 if (elt->type == scanf_format_elt::literal_conversion) | |
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503 std::cerr << "literal text\n"; |
3483 | 504 else if (elt->type == scanf_format_elt::whitespace_conversion) |
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505 std::cerr << "whitespace\n"; |
3483 | 506 else |
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507 std::cerr << elt->type << "\n"; |
3531 | 508 |
509 std::cerr | |
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510 << "modifier: " << elt->modifier << "\n" |
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511 << "char_class: `" << undo_string_escapes (elt->char_class) << "'\n" |
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512 << "text: `" << undo_string_escapes (elt->text) << "'\n\n"; |
2117 | 513 } |
514 } | |
515 | |
516 bool | |
517 scanf_format_list::all_character_conversions (void) | |
518 { | |
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519 octave_idx_type n = list.length (); |
2117 | 520 |
521 if (n > 0) | |
522 { | |
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523 for (octave_idx_type i = 0; i < n; i++) |
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524 { |
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525 scanf_format_elt *elt = list(i); |
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526 |
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527 switch (elt->type) |
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528 { |
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529 case 'c': case 's': case '%': case '[': case '^': |
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530 case scanf_format_elt::literal_conversion: |
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531 case scanf_format_elt::whitespace_conversion: |
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532 break; |
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533 |
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534 default: |
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535 return false; |
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536 break; |
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537 } |
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538 } |
2117 | 539 |
540 return true; | |
541 } | |
542 else | |
543 return false; | |
544 } | |
545 | |
546 bool | |
547 scanf_format_list::all_numeric_conversions (void) | |
548 { | |
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549 octave_idx_type n = list.length (); |
2117 | 550 |
551 if (n > 0) | |
552 { | |
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553 for (octave_idx_type i = 0; i < n; i++) |
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554 { |
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555 scanf_format_elt *elt = list(i); |
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556 |
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557 switch (elt->type) |
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558 { |
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559 case 'd': case 'i': case 'o': case 'u': case 'x': |
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560 case 'e': case 'f': case 'g': |
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561 break; |
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562 |
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563 default: |
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564 return false; |
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565 break; |
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566 } |
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567 } |
2117 | 568 |
569 return true; | |
570 } | |
571 else | |
572 return false; | |
573 } | |
574 | |
575 // Ugh again. | |
576 | |
3523 | 577 printf_format_list::printf_format_list (const std::string& s) |
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578 : nconv (0), curr_idx (0), list (16, 1), buf (0) |
2117 | 579 { |
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580 octave_idx_type num_elts = 0; |
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581 |
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582 size_t n = s.length (); |
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583 |
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584 size_t i = 0; |
2117 | 585 |
586 int args = 0; | |
3643 | 587 std::string flags; |
3640 | 588 int fw = 0; |
589 int prec = 0; | |
2117 | 590 char modifier = '\0'; |
591 char type = '\0'; | |
592 | |
593 bool have_more = true; | |
3640 | 594 bool empty_buf = true; |
2117 | 595 |
4223 | 596 if (n == 0) |
2117 | 597 { |
4223 | 598 printf_format_elt *elt |
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599 = new printf_format_elt ("", args, fw, prec, flags, type, modifier); |
4223 | 600 |
601 list(num_elts++) = elt; | |
602 | |
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603 list.resize (num_elts, 1); |
4223 | 604 } |
605 else | |
606 { | |
607 while (i < n) | |
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608 { |
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609 have_more = true; |
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610 |
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611 if (! buf) |
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612 { |
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613 buf = new std::ostringstream (); |
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614 empty_buf = true; |
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615 } |
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616 |
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617 switch (s[i]) |
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618 { |
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619 case '%': |
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620 { |
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621 if (empty_buf) |
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622 { |
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623 process_conversion (s, i, n, args, flags, fw, prec, |
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624 type, modifier, num_elts); |
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625 |
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626 have_more = (buf != 0); |
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627 } |
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628 else |
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629 add_elt_to_list (args, flags, fw, prec, type, modifier, |
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630 num_elts); |
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631 } |
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632 break; |
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633 |
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634 default: |
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635 { |
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636 args = 0; |
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637 flags = ""; |
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638 fw = 0; |
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639 prec = 0; |
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640 modifier = '\0'; |
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641 type = '\0'; |
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642 *buf << s[i++]; |
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643 empty_buf = false; |
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644 } |
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645 break; |
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646 } |
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647 |
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648 if (nconv < 0) |
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649 { |
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650 have_more = false; |
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651 break; |
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652 } |
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653 } |
2117 | 654 |
4223 | 655 if (have_more) |
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656 add_elt_to_list (args, flags, fw, prec, type, modifier, num_elts); |
4223 | 657 |
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658 list.resize (num_elts, 1); |
4223 | 659 |
660 delete buf; | |
2117 | 661 } |
662 } | |
663 | |
664 printf_format_list::~printf_format_list (void) | |
665 { | |
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666 octave_idx_type n = list.length (); |
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667 |
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668 for (octave_idx_type i = 0; i < n; i++) |
2117 | 669 { |
3340 | 670 printf_format_elt *elt = list(i); |
2117 | 671 delete elt; |
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672 } |
2117 | 673 } |
674 | |
675 void | |
3640 | 676 printf_format_list::add_elt_to_list (int args, const std::string& flags, |
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677 int fw, int prec, char type, |
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678 char modifier, octave_idx_type& num_elts) |
2117 | 679 { |
680 if (buf) | |
681 { | |
5765 | 682 std::string text = buf->str (); |
4051 | 683 |
684 if (! text.empty ()) | |
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685 { |
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686 printf_format_elt *elt |
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687 = new printf_format_elt (text.c_str (), args, fw, prec, flags, |
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688 type, modifier); |
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689 |
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690 if (num_elts == list.length ()) |
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691 list.resize (2 * num_elts, 1); |
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692 |
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693 list(num_elts++) = elt; |
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694 } |
2117 | 695 |
696 delete buf; | |
697 buf = 0; | |
698 } | |
699 } | |
700 | |
701 void | |
3640 | 702 printf_format_list::process_conversion |
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703 (const std::string& s, size_t& i, size_t n, int& args, std::string& flags, |
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704 int& fw, int& prec, char& modifier, char& type, octave_idx_type& num_elts) |
2117 | 705 { |
706 args = 0; | |
3640 | 707 flags = ""; |
708 fw = 0; | |
709 prec = 0; | |
2117 | 710 modifier = '\0'; |
711 type = '\0'; | |
712 | |
713 *buf << s[i++]; | |
714 | |
4587 | 715 bool nxt = false; |
2117 | 716 |
717 while (i < n) | |
718 { | |
719 switch (s[i]) | |
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720 { |
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721 case '-': case '+': case ' ': case '0': case '#': |
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722 flags += s[i]; |
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723 *buf << s[i++]; |
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724 break; |
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725 |
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726 default: |
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727 nxt = true; |
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728 break; |
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729 } |
2117 | 730 |
4587 | 731 if (nxt) |
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732 break; |
2117 | 733 } |
734 | |
735 if (i < n) | |
736 { | |
737 if (s[i] == '*') | |
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738 { |
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739 fw = -1; |
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740 args++; |
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741 *buf << s[i++]; |
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742 } |
2117 | 743 else |
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744 { |
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745 if (isdigit (s[i])) |
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746 { |
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747 int nn = 0; |
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748 std::string tmp = s.substr (i); |
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749 sscanf (tmp.c_str (), "%d%n", &fw, &nn); |
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750 } |
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751 |
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752 while (i < n && isdigit (s[i])) |
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753 *buf << s[i++]; |
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754 } |
2117 | 755 } |
756 | |
757 if (i < n && s[i] == '.') | |
758 { | |
759 *buf << s[i++]; | |
760 | |
761 if (i < n) | |
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762 { |
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763 if (s[i] == '*') |
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764 { |
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765 prec = -1; |
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766 args++; |
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767 *buf << s[i++]; |
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|
768 } |
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769 else |
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|
770 { |
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771 if (isdigit (s[i])) |
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|
772 { |
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773 int nn = 0; |
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774 std::string tmp = s.substr (i); |
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775 sscanf (tmp.c_str (), "%d%n", &prec, &nn); |
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|
776 } |
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|
777 |
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778 while (i < n && isdigit (s[i])) |
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779 *buf << s[i++]; |
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|
780 } |
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|
781 } |
2117 | 782 } |
783 | |
784 if (i < n) | |
785 { | |
786 switch (s[i]) | |
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|
787 { |
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788 case 'h': case 'l': case 'L': |
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789 modifier = s[i]; |
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790 *buf << s[i++]; |
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|
791 break; |
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792 |
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|
793 default: |
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794 break; |
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|
795 } |
2117 | 796 } |
797 | |
798 if (i < n) | |
3640 | 799 finish_conversion (s, i, args, flags, fw, prec, modifier, type, num_elts); |
2117 | 800 else |
801 nconv = -1; | |
802 } | |
803 | |
804 void | |
3640 | 805 printf_format_list::finish_conversion |
10187
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806 (const std::string& s, size_t& i, int args, const std::string& flags, |
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807 int fw, int prec, char modifier, char& type, octave_idx_type& num_elts) |
2117 | 808 |
809 { | |
810 switch (s[i]) | |
811 { | |
812 case 'd': case 'i': case 'o': case 'x': case 'X': | |
813 case 'u': case 'c': | |
814 if (modifier == 'L') | |
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815 { |
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816 nconv = -1; |
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|
817 break; |
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|
818 } |
2117 | 819 goto fini; |
820 | |
821 case 'f': case 'e': case 'E': case 'g': case 'G': | |
822 if (modifier == 'h' || modifier == 'l') | |
10315
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|
823 { |
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|
824 nconv = -1; |
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|
825 break; |
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|
826 } |
2117 | 827 goto fini; |
828 | |
829 case 's': case 'p': case '%': | |
830 if (modifier != '\0') | |
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|
831 { |
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|
832 nconv = -1; |
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|
833 break; |
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|
834 } |
2117 | 835 goto fini; |
836 | |
837 fini: | |
838 | |
3640 | 839 type = s[i]; |
840 | |
841 *buf << s[i++]; | |
842 | |
843 if (type != '%' || args != 0) | |
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844 nconv++; |
3640 | 845 |
846 if (type != '%') | |
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847 args++; |
3640 | 848 |
849 add_elt_to_list (args, flags, fw, prec, type, modifier, num_elts); | |
850 | |
2117 | 851 break; |
852 | |
853 default: | |
854 nconv = -1; | |
855 break; | |
856 } | |
857 } | |
858 | |
859 void | |
860 printf_format_list::printme (void) const | |
861 { | |
862 int n = list.length (); | |
863 | |
864 for (int i = 0; i < n; i++) | |
865 { | |
3340 | 866 printf_format_elt *elt = list(i); |
2117 | 867 |
3640 | 868 std::cerr |
10315
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869 << "args: " << elt->args << "\n" |
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870 << "flags: `" << elt->flags << "'\n" |
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871 << "width: " << elt->fw << "\n" |
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872 << "prec: " << elt->prec << "\n" |
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873 << "type: `" << elt->type << "'\n" |
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874 << "modifier: `" << elt->modifier << "'\n" |
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875 << "text: `" << undo_string_escapes (elt->text) << "'\n\n"; |
2117 | 876 } |
877 } | |
878 | |
3145 | 879 int |
3148 | 880 octave_base_stream::file_number (void) |
3145 | 881 { |
882 // Kluge alert! | |
883 | |
884 if (name () == "stdin") | |
885 return 0; | |
886 | |
887 if (name () == "stdout") | |
888 return 1; | |
889 | |
890 if (name () == "stderr") | |
891 return 2; | |
892 | |
893 int retval = -1; | |
894 | |
3523 | 895 std::istream *is = input_stream (); |
896 std::ostream *os = output_stream (); | |
3145 | 897 |
3775 | 898 // There is no standard way to get the underlying file descriptor from |
899 // std::filebuf (nor in the GNU libstdc++-v3 implementation). We cache | |
900 // the descriptor in c_file_ptr_buf, and then extract it here. | |
901 | |
6757 | 902 c_file_ptr_buf *ibuf |
903 = is ? dynamic_cast<c_file_ptr_buf *> (is->rdbuf ()) : 0; | |
904 | |
905 c_file_ptr_buf *obuf | |
906 = os ? dynamic_cast<c_file_ptr_buf *> (os->rdbuf ()) : 0; | |
3775 | 907 |
908 int i_fid = ibuf ? ibuf->file_number () : -1; | |
909 int o_fid = obuf ? obuf->file_number () : -1; | |
3145 | 910 |
911 if (i_fid >= 0) | |
912 { | |
913 if (o_fid >= 0) | |
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914 retval = (i_fid == o_fid) ? i_fid : -1; |
3145 | 915 else |
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916 retval = i_fid; |
3145 | 917 } |
918 else if (o_fid >= 0) | |
919 retval = o_fid; | |
920 | |
921 return retval; | |
922 } | |
923 | |
2117 | 924 void |
3523 | 925 octave_base_stream::error (const std::string& msg) |
2117 | 926 { |
927 fail = true; | |
928 errmsg = msg; | |
929 } | |
930 | |
931 void | |
4468 | 932 octave_base_stream::error (const std::string& who, const std::string& msg) |
933 { | |
934 fail = true; | |
6296 | 935 errmsg = who + ": " + msg; |
4468 | 936 } |
937 | |
938 void | |
2117 | 939 octave_base_stream::clear (void) |
940 { | |
4889 | 941 fail = false; |
942 errmsg = ""; | |
943 } | |
944 | |
945 void | |
946 octave_base_stream::clearerr (void) | |
947 { | |
4888 | 948 std::istream *is = input_stream (); |
949 std::ostream *os = output_stream (); | |
950 | |
951 if (is) | |
952 is->clear (); | |
953 | |
954 if (os) | |
955 os->clear (); | |
2117 | 956 } |
957 | |
958 // Functions that are defined for all input streams (input streams | |
959 // are those that define is). | |
960 | |
3536 | 961 std::string |
5275 | 962 octave_base_stream::do_gets (octave_idx_type max_len, bool& err, |
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963 bool strip_newline, const std::string& who) |
2117 | 964 { |
3523 | 965 std::string retval; |
2117 | 966 |
8773
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967 if ((interactive || forced_interactive) && file_number () == 0) |
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968 { |
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969 ::error ("%s: unable to read from stdin while running interactively", |
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970 who.c_str ()); |
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971 |
8773
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972 return retval; |
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973 } |
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974 |
2117 | 975 err = false; |
976 | |
3523 | 977 std::istream *isp = input_stream (); |
2117 | 978 |
979 if (isp) | |
980 { | |
3523 | 981 std::istream& is = *isp; |
2117 | 982 |
5765 | 983 std::ostringstream buf; |
2117 | 984 |
985 int c = 0; | |
3553 | 986 int char_count = 0; |
6345 | 987 |
988 if (max_len != 0) | |
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989 { |
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990 while (is && (c = is.get ()) != EOF) |
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991 { |
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992 char_count++; |
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993 |
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994 // Handle CRLF, CR, or LF as line ending. |
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995 |
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996 if (c == '\r') |
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997 { |
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998 if (! strip_newline) |
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999 buf << static_cast<char> (c); |
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1000 |
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1001 c = is.get (); |
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1002 |
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1003 if (c != EOF) |
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1004 { |
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1005 if (c == '\n') |
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1006 { |
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1007 char_count++; |
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1008 |
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1009 if (! strip_newline) |
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1010 buf << static_cast<char> (c); |
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1011 } |
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1012 else |
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1013 is.putback (c); |
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1014 } |
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1015 |
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1016 break; |
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1017 } |
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1018 else if (c == '\n') |
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1019 { |
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1020 if (! strip_newline) |
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1021 buf << static_cast<char> (c); |
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1022 |
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1023 break; |
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1024 } |
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1025 else |
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1026 buf << static_cast<char> (c); |
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1027 |
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1028 if (max_len > 0 && char_count == max_len) |
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1029 break; |
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1030 } |
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1031 } |
6345 | 1032 |
1033 if (! is.eof () && char_count > 0) | |
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1034 { |
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1035 // GAGME. Matlab seems to check for EOF even if the last |
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1036 // character in a file is a newline character. This is NOT |
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1037 // what the corresponding C-library functions do. |
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1038 int disgusting_compatibility_hack = is.get (); |
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1039 if (! is.eof ()) |
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1040 is.putback (disgusting_compatibility_hack); |
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1041 } |
2117 | 1042 |
4224 | 1043 if (is.good () || (is.eof () && char_count > 0)) |
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1044 retval = buf.str (); |
4224 | 1045 else |
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1046 { |
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1047 err = true; |
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1048 |
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1049 if (is.eof () && char_count == 0) |
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1050 error (who, "at end of file"); |
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1051 else |
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1052 error (who, "read error"); |
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1053 } |
2117 | 1054 } |
1055 else | |
1056 { | |
1057 err = true; | |
4468 | 1058 invalid_operation (who, "reading"); |
2117 | 1059 } |
1060 | |
1061 return retval; | |
1062 } | |
1063 | |
3536 | 1064 std::string |
5275 | 1065 octave_base_stream::getl (octave_idx_type max_len, bool& err, const std::string& who) |
2117 | 1066 { |
4468 | 1067 return do_gets (max_len, err, true, who); |
2117 | 1068 } |
1069 | |
3536 | 1070 std::string |
5275 | 1071 octave_base_stream::gets (octave_idx_type max_len, bool& err, const std::string& who) |
2117 | 1072 { |
4468 | 1073 return do_gets (max_len, err, false, who); |
2117 | 1074 } |
1075 | |
9701 | 1076 long |
1077 octave_base_stream::skipl (long num, bool& err, const std::string& who) | |
1078 { | |
1079 long cnt = -1; | |
1080 | |
1081 if ((interactive || forced_interactive) && file_number () == 0) | |
1082 { | |
1083 ::error ("%s: unable to read from stdin while running interactively", | |
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1084 who.c_str ()); |
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1085 |
9701 | 1086 return count; |
1087 } | |
1088 | |
1089 err = false; | |
1090 | |
1091 std::istream *isp = input_stream (); | |
1092 | |
1093 if (isp) | |
1094 { | |
1095 std::istream& is = *isp; | |
1096 | |
1097 int c = 0, lastc = -1; | |
1098 cnt = 0; | |
1099 | |
1100 while (is && (c = is.get ()) != EOF) | |
1101 { | |
1102 // Handle CRLF, CR, or LF as line ending. | |
1103 | |
1104 if (c == '\r' || (c == '\n' && lastc != '\r')) | |
1105 { | |
1106 if (++cnt == num) | |
1107 break; | |
1108 } | |
1109 | |
1110 lastc = c; | |
1111 } | |
1112 | |
1113 // Maybe eat the following \n if \r was just met. | |
1114 if (c == '\r' && is.peek () == '\n') | |
1115 is.get (); | |
1116 | |
1117 if (is.bad ()) | |
1118 { | |
1119 err = true; | |
1120 error (who, "read error"); | |
1121 } | |
1122 | |
1123 if (err) | |
1124 cnt = -1; | |
1125 } | |
1126 else | |
1127 { | |
1128 err = true; | |
1129 invalid_operation (who, "reading"); | |
1130 } | |
1131 | |
1132 return cnt; | |
1133 } | |
1134 | |
3640 | 1135 #define OCTAVE_SCAN(is, fmt, arg) octave_scan (is, fmt, arg) |
3636 | 1136 |
1137 template <class T> | |
1138 std::istream& | |
6767 | 1139 octave_scan_1 (std::istream& is, const scanf_format_elt& fmt, T* valptr) |
3636 | 1140 { |
3779 | 1141 T& ref = *valptr; |
1142 | |
1143 switch (fmt.type) | |
1144 { | |
1145 case 'o': | |
4926 | 1146 is >> std::oct >> ref >> std::dec; |
3779 | 1147 break; |
1148 | |
1149 case 'x': | |
4926 | 1150 is >> std::hex >> ref >> std::dec; |
1151 break; | |
1152 | |
1153 case 'i': | |
1154 { | |
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1155 int c1 = is.get (); |
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1156 |
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1157 if (! is.eof ()) |
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1158 { |
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1159 if (c1 == '0') |
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1160 { |
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1161 int c2 = is.peek (); |
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1162 |
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1163 if (c2 == 'x' || c2 == 'X') |
7709
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1164 { |
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1165 is.ignore (); |
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1166 if (std::isxdigit (is.peek ())) |
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1167 is >> std::hex >> ref >> std::dec; |
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1168 else |
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1169 ref = 0; |
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1170 } |
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1171 else |
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1172 { |
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1173 if (c2 == '0' || c2 == '1' || c2 == '2' |
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1174 || c2 == '3' || c2 == '4' || c2 == '5' |
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1175 || c2 == '6' || c2 == '7') |
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1176 is >> std::oct >> ref >> std::dec; |
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1177 else |
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|
1178 ref = 0; |
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|
1179 } |
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|
1180 } |
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|
1181 else |
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|
1182 { |
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1183 is.putback (c1); |
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1184 |
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|
1185 is >> ref; |
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|
1186 } |
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1187 } |
4926 | 1188 } |
3779 | 1189 break; |
1190 | |
1191 default: | |
1192 is >> ref; | |
1193 break; | |
1194 } | |
3639 | 1195 |
3638 | 1196 return is; |
3636 | 1197 } |
1198 | |
6767 | 1199 template <class T> |
1200 std::istream& | |
1201 octave_scan (std::istream& is, const scanf_format_elt& fmt, T* valptr) | |
1202 { | |
1203 if (fmt.width) | |
1204 { | |
1205 // Limit input to fmt.width characters by reading into a | |
1206 // temporary stringstream buffer. | |
1207 | |
1208 std::string tmp; | |
1209 | |
1210 is.width (fmt.width); | |
1211 is >> tmp; | |
1212 | |
1213 std::istringstream ss (tmp); | |
1214 | |
1215 octave_scan_1 (ss, fmt, valptr); | |
1216 } | |
1217 else | |
1218 octave_scan_1 (is, fmt, valptr); | |
1219 | |
1220 return is; | |
1221 } | |
1222 | |
3779 | 1223 // Note that this specialization is only used for reading characters, not |
1224 // character strings. See BEGIN_S_CONVERSION for details. | |
1225 | |
1226 template<> | |
1227 std::istream& | |
4661 | 1228 octave_scan<> (std::istream& is, const scanf_format_elt& /* fmt */, |
10315
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1229 char* valptr) |
3779 | 1230 { |
1231 return is >> valptr; | |
1232 } | |
3636 | 1233 |
4595 | 1234 template std::istream& |
1235 octave_scan (std::istream&, const scanf_format_elt&, int*); | |
1236 | |
1237 template std::istream& | |
1238 octave_scan (std::istream&, const scanf_format_elt&, long int*); | |
1239 | |
1240 template std::istream& | |
1241 octave_scan (std::istream&, const scanf_format_elt&, short int*); | |
1242 | |
1243 template std::istream& | |
1244 octave_scan (std::istream&, const scanf_format_elt&, unsigned int*); | |
1245 | |
1246 template std::istream& | |
1247 octave_scan (std::istream&, const scanf_format_elt&, unsigned long int*); | |
1248 | |
1249 template std::istream& | |
1250 octave_scan (std::istream&, const scanf_format_elt&, unsigned short int*); | |
1251 | |
1252 #if 0 | |
1253 template std::istream& | |
1254 octave_scan (std::istream&, const scanf_format_elt&, float*); | |
1255 #endif | |
1256 | |
5403 | 1257 template<> |
5176 | 1258 std::istream& |
5403 | 1259 octave_scan<> (std::istream& is, const scanf_format_elt& fmt, double* valptr) |
5176 | 1260 { |
1261 double& ref = *valptr; | |
1262 | |
1263 switch (fmt.type) | |
1264 { | |
1265 case 'e': | |
1266 case 'f': | |
1267 case 'g': | |
1268 { | |
10315
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1269 int c1 = EOF; |
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1270 |
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1271 while (is && (c1 = is.get ()) != EOF && isspace (c1)) |
57a59eae83cc
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|
1272 /* skip whitespace */; |
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|
1273 |
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1274 if (c1 != EOF) |
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|
1275 { |
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1276 if (c1 == 'N') |
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1277 { |
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1278 int c2 = is.get (); |
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1279 |
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1280 if (c2 != EOF) |
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1281 { |
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1282 if (c2 == 'A') |
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|
1283 { |
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1284 int c3 = is.get (); |
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|
1285 |
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1286 if (c3 != EOF) |
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|
1287 { |
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|
1288 is.putback (c3); |
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|
1289 |
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1290 if (isspace (c3) || ispunct (c3)) |
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1291 ref = octave_NA; |
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1292 else |
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|
1293 { |
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1294 is.putback (c2); |
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|
1295 is.putback (c1); |
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|
1296 |
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|
1297 is >> ref; |
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|
1298 } |
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|
1299 } |
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|
1300 else |
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|
1301 { |
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|
1302 is.clear (); |
57a59eae83cc
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|
1303 |
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|
1304 ref = octave_NA; |
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|
1305 } |
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|
1306 } |
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1307 else if (c2 == 'a') |
57a59eae83cc
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|
1308 { |
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|
1309 int c3 = is.get (); |
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|
1310 |
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1311 if (c3 != EOF) |
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|
1312 { |
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1313 if (c3 == 'N') |
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|
1314 { |
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|
1315 int c4 = is.get (); |
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|
1316 |
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1317 if (c4 != EOF) |
57a59eae83cc
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|
1318 { |
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|
1319 is.putback (c4); |
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|
1320 |
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1321 if (isspace (c4) || ispunct (c4)) |
57a59eae83cc
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1322 ref = octave_NaN; |
57a59eae83cc
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|
1323 else |
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|
1324 { |
57a59eae83cc
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|
1325 is.putback (c3); |
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|
1326 is.putback (c2); |
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|
1327 is.putback (c1); |
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|
1328 |
57a59eae83cc
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|
1329 is >> ref; |
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|
1330 } |
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|
1331 } |
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|
1332 else |
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|
1333 { |
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|
1334 is.clear (); |
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|
1335 |
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1336 ref = octave_NaN; |
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|
1337 } |
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|
1338 } |
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|
1339 else |
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|
1340 { |
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|
1341 is.putback (c3); |
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1342 is.putback (c2); |
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|
1343 is.putback (c1); |
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|
1344 |
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|
1345 is >> ref; |
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|
1346 } |
57a59eae83cc
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|
1347 } |
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|
1348 } |
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|
1349 else |
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|
1350 { |
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|
1351 is.putback (c2); |
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1352 is.putback (c1); |
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|
1353 |
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|
1354 is >> ref; |
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|
1355 } |
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|
1356 } |
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|
1357 } |
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1358 else if (c1 == 'I') |
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1359 { |
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|
1360 int c2 = is.get (); |
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|
1361 |
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1362 if (c2 != EOF) |
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|
1363 { |
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1364 if (c2 == 'n') |
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|
1365 { |
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|
1366 int c3 = is.get (); |
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|
1367 |
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1368 if (c3 != EOF) |
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1369 { |
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1370 if (c3 == 'f') |
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|
1371 { |
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1372 int c4 = is.get (); |
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1373 |
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1374 if (c4 != EOF) |
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1375 { |
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1376 is.putback (c4); |
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1377 |
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1378 if (isspace (c4) || ispunct (c4)) |
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1379 ref = octave_Inf; |
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|
1380 else |
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|
1381 { |
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1382 is.putback (c3); |
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1383 is.putback (c2); |
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|
1384 is.putback (c1); |
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|
1385 |
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1386 is >> ref; |
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|
1387 } |
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|
1388 } |
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|
1389 else |
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|
1390 { |
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|
1391 is.clear (); |
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1392 |
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1393 ref = octave_Inf; |
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1394 } |
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|
1395 } |
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|
1396 else |
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|
1397 { |
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1398 is.putback (c3); |
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1399 is.putback (c2); |
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1400 is.putback (c1); |
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|
1401 |
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1402 is >> ref; |
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|
1403 } |
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1404 } |
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|
1405 else |
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|
1406 { |
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1407 is.putback (c2); |
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1408 is.putback (c1); |
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1409 |
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1410 is >> ref; |
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|
1411 } |
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|
1412 } |
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|
1413 } |
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|
1414 } |
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|
1415 else |
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|
1416 { |
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1417 is.putback (c1); |
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1418 |
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1419 is >> ref; |
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|
1420 } |
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|
1421 } |
5176 | 1422 } |
1423 break; | |
1424 | |
1425 default: | |
1426 panic_impossible (); | |
1427 break; | |
1428 } | |
1429 | |
1430 return is; | |
1431 } | |
1432 | |
2572 | 1433 template <class T> |
1434 void | |
3636 | 1435 do_scanf_conv (std::istream& is, const scanf_format_elt& fmt, |
10315
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|
1436 T valptr, Matrix& mval, double *data, octave_idx_type& idx, |
57a59eae83cc
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|
1437 octave_idx_type& conversion_count, octave_idx_type nr, octave_idx_type max_size, |
57a59eae83cc
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|
1438 bool discard) |
2572 | 1439 { |
3640 | 1440 OCTAVE_SCAN (is, fmt, valptr); |
2572 | 1441 |
1442 if (is) | |
1443 { | |
1444 if (idx == max_size && ! discard) | |
10315
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|
1445 { |
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|
1446 max_size *= 2; |
57a59eae83cc
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|
1447 |
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|
1448 if (nr > 0) |
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|
1449 mval.resize (nr, max_size / nr, 0.0); |
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|
1450 else |
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|
1451 mval.resize (max_size, 1, 0.0); |
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|
1452 |
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|
1453 data = mval.fortran_vec (); |
57a59eae83cc
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|
1454 } |
2572 | 1455 |
1456 if (! discard) | |
10315
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|
1457 { |
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|
1458 conversion_count++; |
57a59eae83cc
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|
1459 data[idx++] = *(valptr); |
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|
1460 } |
2572 | 1461 } |
1462 } | |
1463 | |
1464 template void | |
3878 | 1465 do_scanf_conv (std::istream&, const scanf_format_elt&, int*, |
10315
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|
1466 Matrix&, double*, octave_idx_type&, octave_idx_type&, octave_idx_type, octave_idx_type, bool); |
2572 | 1467 |
3233 | 1468 template void |
3636 | 1469 do_scanf_conv (std::istream&, const scanf_format_elt&, long int*, |
10315
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|
1470 Matrix&, double*, octave_idx_type&, octave_idx_type&, octave_idx_type, octave_idx_type, bool); |
3233 | 1471 |
1472 template void | |
3636 | 1473 do_scanf_conv (std::istream&, const scanf_format_elt&, short int*, |
10315
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untabify src C++ source files
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changeset
|
1474 Matrix&, double*, octave_idx_type&, octave_idx_type&, octave_idx_type, octave_idx_type, bool); |
3233 | 1475 |
3878 | 1476 template void |
1477 do_scanf_conv (std::istream&, const scanf_format_elt&, unsigned int*, | |
10315
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untabify src C++ source files
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|
1478 Matrix&, double*, octave_idx_type&, octave_idx_type&, octave_idx_type, octave_idx_type, bool); |
3878 | 1479 |
1480 template void | |
1481 do_scanf_conv (std::istream&, const scanf_format_elt&, unsigned long int*, | |
10315
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untabify src C++ source files
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changeset
|
1482 Matrix&, double*, octave_idx_type&, octave_idx_type&, octave_idx_type, octave_idx_type, bool); |
3878 | 1483 |
1484 template void | |
1485 do_scanf_conv (std::istream&, const scanf_format_elt&, unsigned short int*, | |
10315
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changeset
|
1486 Matrix&, double*, octave_idx_type&, octave_idx_type&, octave_idx_type, octave_idx_type, bool); |
3878 | 1487 |
2600 | 1488 #if 0 |
2572 | 1489 template void |
3636 | 1490 do_scanf_conv (std::istream&, const scanf_format_elt&, float*, |
10315
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untabify src C++ source files
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changeset
|
1491 Matrix&, double*, octave_idx_type&, octave_idx_type&, octave_idx_type, octave_idx_type, bool); |
2600 | 1492 #endif |
2572 | 1493 |
1494 template void | |
3636 | 1495 do_scanf_conv (std::istream&, const scanf_format_elt&, double*, |
10315
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untabify src C++ source files
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changeset
|
1496 Matrix&, double*, octave_idx_type&, octave_idx_type&, octave_idx_type, octave_idx_type, bool); |
2572 | 1497 |
3483 | 1498 #define DO_WHITESPACE_CONVERSION() \ |
1499 do \ | |
1500 { \ | |
1501 int c = EOF; \ | |
1502 \ | |
1503 while (is && (c = is.get ()) != EOF && isspace (c)) \ | |
10315
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untabify src C++ source files
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|
1504 /* skip whitespace */; \ |
3483 | 1505 \ |
1506 if (c != EOF) \ | |
10315
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untabify src C++ source files
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|
1507 is.putback (c); \ |
3483 | 1508 } \ |
1509 while (0) | |
1510 | |
1511 #define DO_LITERAL_CONVERSION() \ | |
1512 do \ | |
1513 { \ | |
1514 int c = EOF; \ | |
1515 \ | |
1516 int n = strlen (fmt); \ | |
1517 int i = 0; \ | |
1518 \ | |
1519 while (i < n && is && (c = is.get ()) != EOF) \ | |
10315
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|
1520 { \ |
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1521 if (c == static_cast<unsigned char> (fmt[i])) \ |
57a59eae83cc
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|
1522 { \ |
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|
1523 i++; \ |
57a59eae83cc
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|
1524 continue; \ |
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|
1525 } \ |
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|
1526 else \ |
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|
1527 { \ |
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|
1528 is.putback (c); \ |
57a59eae83cc
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|
1529 break; \ |
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|
1530 } \ |
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|
1531 } \ |
3483 | 1532 \ |
1533 if (i != n) \ | |
10315
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|
1534 is.setstate (std::ios::failbit); \ |
3483 | 1535 } \ |
1536 while (0) | |
1537 | |
3640 | 1538 #define DO_PCT_CONVERSION() \ |
1539 do \ | |
1540 { \ | |
1541 int c = is.get (); \ | |
1542 \ | |
1543 if (c != EOF) \ | |
10315
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|
1544 { \ |
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|
1545 if (c != '%') \ |
57a59eae83cc
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|
1546 { \ |
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|
1547 is.putback (c); \ |
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|
1548 is.setstate (std::ios::failbit); \ |
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|
1549 } \ |
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|
1550 } \ |
3640 | 1551 else \ |
10315
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|
1552 is.setstate (std::ios::failbit); \ |
3640 | 1553 } \ |
1554 while (0) | |
1555 | |
3483 | 1556 #define BEGIN_C_CONVERSION() \ |
3538 | 1557 is.unsetf (std::ios::skipws); \ |
3483 | 1558 \ |
1559 int width = elt->width ? elt->width : 1; \ | |
1560 \ | |
9952
7cd2e1b372e5
allow scanf to store ASCII NUL values
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diff
changeset
|
1561 std::string tmp (width, '\0'); \ |
3483 | 1562 \ |
1563 int c = EOF; \ | |
1564 int n = 0; \ | |
1565 \ | |
1566 while (is && n < width && (c = is.get ()) != EOF) \ | |
9952
7cd2e1b372e5
allow scanf to store ASCII NUL values
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diff
changeset
|
1567 tmp[n++] = static_cast<char> (c); \ |
3483 | 1568 \ |
5266 | 1569 if (n > 0 && c == EOF) \ |
9952
7cd2e1b372e5
allow scanf to store ASCII NUL values
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diff
changeset
|
1570 is.clear () |
3483 | 1571 |
1572 // For a `%s' format, skip initial whitespace and then read until the | |
5338 | 1573 // next whitespace character or until WIDTH characters have been read. |
3483 | 1574 #define BEGIN_S_CONVERSION() \ |
1575 int width = elt->width; \ | |
1576 \ | |
4051 | 1577 std::string tmp; \ |
3483 | 1578 \ |
1579 do \ | |
1580 { \ | |
1581 if (width) \ | |
5338 | 1582 { \ |
10076 | 1583 tmp = std::string (width, '\0'); \ |
5338 | 1584 \ |
1585 int c = EOF; \ | |
1586 \ | |
1587 int n = 0; \ | |
1588 \ | |
1589 while (is && (c = is.get ()) != EOF) \ | |
1590 { \ | |
1591 if (! isspace (c)) \ | |
1592 { \ | |
9952
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allow scanf to store ASCII NUL values
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changeset
|
1593 tmp[n++] = static_cast<char> (c); \ |
5338 | 1594 break; \ |
1595 } \ | |
1596 } \ | |
4051 | 1597 \ |
5338 | 1598 while (is && n < width && (c = is.get ()) != EOF) \ |
1599 { \ | |
1600 if (isspace (c)) \ | |
1601 { \ | |
1602 is.putback (c); \ | |
1603 break; \ | |
1604 } \ | |
1605 else \ | |
9952
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allow scanf to store ASCII NUL values
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|
1606 tmp[n++] = static_cast<char> (c); \ |
5338 | 1607 } \ |
3483 | 1608 \ |
5338 | 1609 if (n > 0 && c == EOF) \ |
1610 is.clear (); \ | |
1611 \ | |
9952
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allow scanf to store ASCII NUL values
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9941
diff
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|
1612 tmp.resize (n); \ |
5338 | 1613 } \ |
3483 | 1614 else \ |
5338 | 1615 { \ |
1616 is >> std::ws >> tmp; \ | |
1617 } \ | |
3483 | 1618 } \ |
1619 while (0) | |
1620 | |
1621 // This format must match a nonempty sequence of characters. | |
1622 #define BEGIN_CHAR_CLASS_CONVERSION() \ | |
1623 int width = elt->width; \ | |
1624 \ | |
4051 | 1625 std::string tmp; \ |
3483 | 1626 \ |
1627 do \ | |
1628 { \ | |
7426 | 1629 if (! width) \ |
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1630 width = INT_MAX; \ |
7427 | 1631 \ |
7426 | 1632 std::ostringstream buf; \ |
1633 \ | |
1634 std::string char_class = elt->char_class; \ | |
4051 | 1635 \ |
7426 | 1636 int c = EOF; \ |
3483 | 1637 \ |
7426 | 1638 if (elt->type == '[') \ |
1639 { \ | |
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1640 int chars_read = 0; \ |
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1641 while (is && chars_read++ < width && (c = is.get ()) != EOF \ |
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1642 && char_class.find (c) != std::string::npos) \ |
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1643 buf << static_cast<char> (c); \ |
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untabify src C++ source files
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1644 } \ |
3483 | 1645 else \ |
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|
1646 { \ |
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|
1647 int chars_read = 0; \ |
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|
1648 while (is && chars_read++ < width && (c = is.get ()) != EOF \ |
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1649 && char_class.find (c) == std::string::npos) \ |
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1650 buf << static_cast<char> (c); \ |
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1651 } \ |
3483 | 1652 \ |
7426 | 1653 if (width == INT_MAX && c != EOF) \ |
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1654 is.putback (c); \ |
3483 | 1655 \ |
7426 | 1656 tmp = buf.str (); \ |
3483 | 1657 \ |
7426 | 1658 if (tmp.empty ()) \ |
1659 is.setstate (std::ios::failbit); \ | |
3483 | 1660 } \ |
1661 while (0) | |
1662 | |
3410 | 1663 #define FINISH_CHARACTER_CONVERSION() \ |
1664 do \ | |
1665 { \ | |
4051 | 1666 width = tmp.length (); \ |
3410 | 1667 \ |
1668 if (is) \ | |
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1669 { \ |
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1670 int i = 0; \ |
3410 | 1671 \ |
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|
1672 if (! discard) \ |
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|
1673 { \ |
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1674 conversion_count++; \ |
3410 | 1675 \ |
10315
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1676 while (i < width) \ |
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1677 { \ |
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1678 if (data_index == max_size) \ |
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1679 { \ |
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1680 max_size *= 2; \ |
3410 | 1681 \ |
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1682 if (all_char_conv) \ |
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1683 { \ |
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1684 if (one_elt_size_spec) \ |
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1685 mval.resize (1, max_size, 0.0); \ |
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1686 else if (nr > 0) \ |
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1687 mval.resize (nr, max_size / nr, 0.0); \ |
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|
1688 else \ |
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|
1689 panic_impossible (); \ |
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|
1690 } \ |
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|
1691 else if (nr > 0) \ |
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1692 mval.resize (nr, max_size / nr, 0.0); \ |
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1693 else \ |
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1694 mval.resize (max_size, 1, 0.0); \ |
3410 | 1695 \ |
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1696 data = mval.fortran_vec (); \ |
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1697 } \ |
3410 | 1698 \ |
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1699 data[data_index++] = tmp[i++]; \ |
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1700 } \ |
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1701 } \ |
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1702 } \ |
3410 | 1703 } \ |
1704 while (0) | |
2117 | 1705 |
1706 octave_value | |
1707 octave_base_stream::do_scanf (scanf_format_list& fmt_list, | |
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1708 octave_idx_type nr, octave_idx_type nc, bool one_elt_size_spec, |
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1709 octave_idx_type& conversion_count, const std::string& who) |
2117 | 1710 { |
8773
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disallow reading from stdin while running interactively
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1711 octave_value retval = Matrix (); |
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1712 |
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1713 if ((interactive || forced_interactive) && file_number () == 0) |
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1714 { |
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1715 ::error ("%s: unable to read from stdin while running interactively", |
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1716 who.c_str ()); |
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1717 |
8773
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1718 return retval; |
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|
1719 } |
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1720 |
3268 | 1721 conversion_count = 0; |
1722 | |
10187
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1723 octave_idx_type nconv = fmt_list.num_conversions (); |
3640 | 1724 |
5275 | 1725 octave_idx_type data_index = 0; |
2121 | 1726 |
3268 | 1727 if (nr == 0 || nc == 0) |
1728 { | |
1729 if (one_elt_size_spec) | |
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1730 nc = 0; |
3268 | 1731 |
1732 return Matrix (nr, nc, 0.0); | |
1733 } | |
1734 | |
3523 | 1735 std::istream *isp = input_stream (); |
2117 | 1736 |
1737 bool all_char_conv = fmt_list.all_character_conversions (); | |
1738 | |
1739 Matrix mval; | |
1740 double *data = 0; | |
5275 | 1741 octave_idx_type max_size = 0; |
1742 octave_idx_type max_conv = 0; | |
1743 | |
1744 octave_idx_type final_nr = 0; | |
1745 octave_idx_type final_nc = 0; | |
2117 | 1746 |
3268 | 1747 if (all_char_conv) |
1748 { | |
4420 | 1749 // Any of these could be resized later (if we have %s |
1750 // conversions, we may read more than one element for each | |
1751 // conversion). | |
1752 | |
3268 | 1753 if (one_elt_size_spec) |
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|
1754 { |
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|
1755 max_size = 512; |
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1756 mval.resize (1, max_size, 0.0); |
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1757 |
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1758 if (nr > 0) |
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1759 max_conv = nr; |
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1760 } |
4420 | 1761 else if (nr > 0) |
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1762 { |
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1763 if (nc > 0) |
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1764 { |
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1765 mval.resize (nr, nc, 0.0); |
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1766 max_size = max_conv = nr * nc; |
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1767 } |
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1768 else |
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|
1769 { |
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1770 mval.resize (nr, 32, 0.0); |
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1771 max_size = nr * 32; |
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1772 } |
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1773 } |
4420 | 1774 else |
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1775 panic_impossible (); |
3268 | 1776 } |
1777 else if (nr > 0) | |
2117 | 1778 { |
1779 if (nc > 0) | |
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1780 { |
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1781 // Will not resize later. |
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1782 mval.resize (nr, nc, 0.0); |
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1783 max_size = nr * nc; |
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1784 max_conv = max_size; |
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1785 } |
2117 | 1786 else |
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1787 { |
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1788 // Maybe resize later. |
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1789 mval.resize (nr, 32, 0.0); |
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1790 max_size = nr * 32; |
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1791 } |
2117 | 1792 } |
1793 else | |
1794 { | |
4420 | 1795 // Maybe resize later. |
2117 | 1796 mval.resize (32, 1, 0.0); |
1797 max_size = 32; | |
1798 } | |
1799 | |
4420 | 1800 data = mval.fortran_vec (); |
1801 | |
2117 | 1802 if (isp) |
1803 { | |
3523 | 1804 std::istream& is = *isp; |
2117 | 1805 |
1806 const scanf_format_elt *elt = fmt_list.first (); | |
1807 | |
3538 | 1808 std::ios::fmtflags flags = is.flags (); |
2213 | 1809 |
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1810 octave_idx_type trips = 0; |
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1811 |
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1812 octave_idx_type num_fmt_elts = fmt_list.length (); |
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1813 |
2117 | 1814 for (;;) |
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1815 { |
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1816 octave_quit (); |
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1817 |
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10293
diff
changeset
|
1818 if (elt) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1819 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1820 if (! (elt->type == scanf_format_elt::whitespace_conversion |
10187
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1821 || elt->type == scanf_format_elt::literal_conversion |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1822 || elt->type == '%') |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
1823 && max_conv > 0 && conversion_count == max_conv) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1824 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1825 if (all_char_conv && one_elt_size_spec) |
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 final_nr = 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1828 final_nc = data_index; |
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 final_nr = nr; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1833 final_nc = (data_index - 1) / nr + 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1834 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1835 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1836 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1837 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1838 else if (data_index == max_size) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1839 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1840 max_size *= 2; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1841 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1842 if (all_char_conv) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1843 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1844 if (one_elt_size_spec) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1845 mval.resize (1, max_size, 0.0); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1846 else if (nr > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1847 mval.resize (nr, max_size / nr, 0.0); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1848 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1849 panic_impossible (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1850 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1851 else if (nr > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1852 mval.resize (nr, max_size / nr, 0.0); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1853 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1854 mval.resize (max_size, 1, 0.0); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1855 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1856 data = mval.fortran_vec (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1857 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1858 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1859 const char *fmt = elt->text; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1860 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1861 bool discard = elt->discard; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1862 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1863 switch (elt->type) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1864 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1865 case scanf_format_elt::whitespace_conversion: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1866 DO_WHITESPACE_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1867 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1868 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1869 case scanf_format_elt::literal_conversion: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1870 DO_LITERAL_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1871 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1872 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1873 case '%': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1874 DO_PCT_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1875 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1876 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1877 case 'd': case 'i': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1878 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1879 switch (elt->modifier) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1880 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1881 case 'h': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1882 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1883 short int tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1884 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1885 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1886 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1887 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1888 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1889 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1890 case 'l': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1891 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1892 long int tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1893 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1894 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1895 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1896 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1897 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1898 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1899 default: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1900 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1901 int tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1902 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1903 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1904 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1905 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1906 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1907 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1908 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1909 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1910 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1911 case 'o': case 'u': case 'x': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1912 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1913 switch (elt->modifier) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1914 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1915 case 'h': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1916 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1917 unsigned short int tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
1918 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1919 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1920 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1921 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1922 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1923 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1924 case 'l': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1925 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1926 unsigned long int tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1927 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1928 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1929 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1930 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1931 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1932 |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
1933 default: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1934 { |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
1935 unsigned int tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
1936 do_scanf_conv (is, *elt, &tmp, mval, data, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
1937 data_index, conversion_count, |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
1938 nr, max_size, discard); |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
1939 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1940 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1941 } |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
1942 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1943 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1944 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
1945 case 'e': case 'f': case 'g': |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
1946 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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1947 double tmp; |
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1948 |
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1949 do_scanf_conv (is, *elt, &tmp, mval, data, |
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1950 data_index, conversion_count, |
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1951 nr, max_size, discard); |
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|
1952 } |
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1953 break; |
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1954 |
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1955 case 'c': |
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|
1956 { |
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1957 BEGIN_C_CONVERSION (); |
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1958 |
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1959 FINISH_CHARACTER_CONVERSION (); |
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1960 |
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1961 is.setf (flags); |
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|
1962 } |
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|
1963 break; |
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|
1964 |
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|
1965 case 's': |
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|
1966 { |
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|
1967 BEGIN_S_CONVERSION (); |
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|
1968 |
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|
1969 FINISH_CHARACTER_CONVERSION (); |
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|
1970 } |
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|
1971 break; |
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diff
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|
1972 |
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|
1973 case '[': case '^': |
57a59eae83cc
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|
1974 { |
57a59eae83cc
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|
1975 BEGIN_CHAR_CLASS_CONVERSION (); |
57a59eae83cc
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|
1976 |
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|
1977 FINISH_CHARACTER_CONVERSION (); |
57a59eae83cc
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|
1978 } |
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diff
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|
1979 break; |
57a59eae83cc
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diff
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|
1980 |
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diff
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|
1981 case 'p': |
57a59eae83cc
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|
1982 error ("%s: unsupported format specifier", who.c_str ()); |
57a59eae83cc
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parents:
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diff
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|
1983 break; |
57a59eae83cc
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diff
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|
1984 |
57a59eae83cc
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diff
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|
1985 default: |
57a59eae83cc
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|
1986 error ("%s: internal format error", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
1987 break; |
57a59eae83cc
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parents:
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diff
changeset
|
1988 } |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
1989 |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
1990 if (! ok ()) |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
1991 { |
57a59eae83cc
untabify src C++ source files
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diff
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|
1992 break; |
57a59eae83cc
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parents:
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diff
changeset
|
1993 } |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
1994 else if (! is) |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
1995 { |
57a59eae83cc
untabify src C++ source files
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diff
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|
1996 if (all_char_conv) |
57a59eae83cc
untabify src C++ source files
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parents:
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changeset
|
1997 { |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
1998 if (one_elt_size_spec) |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
1999 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2000 final_nr = 1; |
57a59eae83cc
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parents:
10293
diff
changeset
|
2001 final_nc = data_index; |
57a59eae83cc
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parents:
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diff
changeset
|
2002 } |
57a59eae83cc
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diff
changeset
|
2003 else if (data_index > nr) |
57a59eae83cc
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parents:
10293
diff
changeset
|
2004 { |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
2005 final_nr = nr; |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
2006 final_nc = (data_index - 1) / nr + 1; |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
2007 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2008 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2009 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2010 final_nr = data_index; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2011 final_nc = 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2012 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2013 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2014 else if (nr > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2015 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2016 if (data_index > nr) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2017 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2018 final_nr = nr; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2019 final_nc = (data_index - 1) / nr + 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2020 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2021 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2022 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2023 final_nr = data_index; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2024 final_nc = 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2025 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2026 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2027 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2028 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2029 final_nr = data_index; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2030 final_nc = 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2031 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2032 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2033 // 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
|
2034 // reset the failbit in the stream state. |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2035 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2036 if (is.rdstate () & std::ios::failbit) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2037 is.clear (is.rdstate () & (~std::ios::failbit)); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2038 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2039 // FIXME -- is this the right thing to do? |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2040 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2041 if (interactive && name () == "stdin") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2042 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2043 is.clear (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2044 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2045 // Skip to end of line. |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2046 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2047 bool err; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2048 do_gets (-1, err, false, who); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2049 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2050 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2051 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2052 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2053 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2054 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2055 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2056 error ("%s: internal format error", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2057 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2058 } |
2117 | 2059 |
10187
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2060 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
|
2061 { |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2062 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
|
2063 { |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2064 final_nr = 1; |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2065 final_nc = data_index; |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2066 } |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2067 else |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2068 { |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2069 final_nr = nr; |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2070 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
|
2071 } |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2072 |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2073 break; |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2074 } |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2075 else |
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2076 elt = fmt_list.next (nconv > 0); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2077 } |
2117 | 2078 } |
2079 | |
2080 if (ok ()) | |
2081 { | |
2121 | 2082 mval.resize (final_nr, final_nc, 0.0); |
2117 | 2083 |
3268 | 2084 retval = mval; |
2085 | |
2117 | 2086 if (all_char_conv) |
10315
57a59eae83cc
untabify src C++ source files
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|
2087 retval = retval.convert_to_str (false, true); |
2117 | 2088 } |
2089 | |
2090 return retval; | |
2091 } | |
2092 | |
2093 octave_value | |
3810 | 2094 octave_base_stream::scanf (const std::string& fmt, const Array<double>& size, |
10315
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2095 octave_idx_type& conversion_count, const std::string& who) |
2117 | 2096 { |
2097 octave_value retval = Matrix (); | |
2098 | |
3559 | 2099 conversion_count = 0; |
2117 | 2100 |
3523 | 2101 std::istream *isp = input_stream (); |
2117 | 2102 |
2103 if (isp) | |
2104 { | |
2105 scanf_format_list fmt_list (fmt); | |
2106 | |
3640 | 2107 if (fmt_list.num_conversions () == -1) |
10315
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2108 ::error ("%s: invalid format specified", who.c_str ()); |
3640 | 2109 else |
10315
57a59eae83cc
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diff
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|
2110 { |
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diff
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|
2111 octave_idx_type nr = -1; |
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diff
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|
2112 octave_idx_type nc = -1; |
57a59eae83cc
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diff
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|
2113 |
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diff
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|
2114 bool one_elt_size_spec; |
57a59eae83cc
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diff
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|
2115 |
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diff
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|
2116 get_size (size, nr, nc, one_elt_size_spec, who); |
57a59eae83cc
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diff
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|
2117 |
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diff
changeset
|
2118 if (! error_state) |
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diff
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|
2119 retval = do_scanf (fmt_list, nr, nc, one_elt_size_spec, |
57a59eae83cc
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diff
changeset
|
2120 conversion_count, who); |
57a59eae83cc
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diff
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|
2121 } |
2215 | 2122 } |
2123 else | |
4468 | 2124 invalid_operation (who, "reading"); |
2572 | 2125 |
2126 return retval; | |
2127 } | |
2128 | |
2712 | 2129 bool |
2130 octave_base_stream::do_oscanf (const scanf_format_elt *elt, | |
10315
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|
2131 octave_value& retval, const std::string& who) |
2572 | 2132 { |
2712 | 2133 bool quit = false; |
2215 | 2134 |
3523 | 2135 std::istream *isp = input_stream (); |
2215 | 2136 |
2137 if (isp) | |
2138 { | |
3523 | 2139 std::istream& is = *isp; |
2215 | 2140 |
3538 | 2141 std::ios::fmtflags flags = is.flags (); |
2215 | 2142 |
2143 if (elt) | |
10315
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|
2144 { |
57a59eae83cc
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diff
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|
2145 const char *fmt = elt->text; |
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diff
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|
2146 |
57a59eae83cc
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diff
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|
2147 bool discard = elt->discard; |
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diff
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|
2148 |
57a59eae83cc
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diff
changeset
|
2149 switch (elt->type) |
57a59eae83cc
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diff
changeset
|
2150 { |
57a59eae83cc
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diff
changeset
|
2151 case scanf_format_elt::whitespace_conversion: |
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diff
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|
2152 DO_WHITESPACE_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2153 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2154 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2155 case scanf_format_elt::literal_conversion: |
57a59eae83cc
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diff
changeset
|
2156 DO_LITERAL_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2157 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2158 |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
2159 case '%': |
57a59eae83cc
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parents:
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diff
changeset
|
2160 { |
57a59eae83cc
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diff
changeset
|
2161 DO_PCT_CONVERSION (); |
57a59eae83cc
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diff
changeset
|
2162 |
57a59eae83cc
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parents:
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diff
changeset
|
2163 if (! is) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2164 quit = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2165 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2166 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2167 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2168 |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
2169 case 'd': case 'i': |
57a59eae83cc
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diff
changeset
|
2170 { |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
2171 int tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2172 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2173 if (OCTAVE_SCAN (is, *elt, &tmp)) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2174 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2175 if (! discard) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2176 retval = tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2177 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2178 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2179 quit = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2180 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2181 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2182 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2183 case 'o': case 'u': case 'x': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2184 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2185 long int tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2186 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2187 if (OCTAVE_SCAN (is, *elt, &tmp)) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2188 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2189 if (! discard) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2190 retval = tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2191 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2192 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2193 quit = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2194 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2195 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2196 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2197 case 'e': case 'f': case 'g': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2198 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2199 double tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2200 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2201 if (OCTAVE_SCAN (is, *elt, &tmp)) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2202 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2203 if (! discard) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2204 retval = tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2205 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2206 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2207 quit = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2208 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2209 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2210 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2211 case 'c': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2212 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2213 BEGIN_C_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2214 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2215 if (! discard) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2216 retval = tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2217 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2218 if (! is) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2219 quit = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2220 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2221 is.setf (flags); |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
2222 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2223 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2224 |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
2225 case 's': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2226 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2227 BEGIN_S_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2228 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2229 if (! discard) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2230 retval = tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2231 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2232 if (! is) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2233 quit = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2234 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2235 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2236 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2237 case '[': case '^': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2238 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2239 BEGIN_CHAR_CLASS_CONVERSION (); |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
2240 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2241 if (! discard) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2242 retval = tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2243 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2244 if (! is) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2245 quit = true; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2246 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2247 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2248 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2249 case 'p': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2250 error ("%s: unsupported format specifier", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2251 break; |
57a59eae83cc
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10293
diff
changeset
|
2252 |
57a59eae83cc
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diff
changeset
|
2253 default: |
57a59eae83cc
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diff
changeset
|
2254 error ("%s: internal format error", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2255 break; |
57a59eae83cc
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diff
changeset
|
2256 } |
57a59eae83cc
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diff
changeset
|
2257 } |
2215 | 2258 |
2259 if (ok () && is.fail ()) | |
10315
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2260 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2261 error ("%s: read error", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2262 |
57a59eae83cc
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diff
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|
2263 // FIXME -- is this the right thing to do? |
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diff
changeset
|
2264 |
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diff
changeset
|
2265 if (interactive && name () == "stdin") |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2266 { |
57a59eae83cc
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diff
changeset
|
2267 // Skip to end of line. |
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diff
changeset
|
2268 |
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diff
changeset
|
2269 bool err; |
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diff
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|
2270 do_gets (-1, err, false, who); |
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diff
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|
2271 } |
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diff
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|
2272 } |
2215 | 2273 } |
2274 | |
2712 | 2275 return quit; |
2215 | 2276 } |
2277 | |
2278 octave_value_list | |
4468 | 2279 octave_base_stream::oscanf (const std::string& fmt, const std::string& who) |
2215 | 2280 { |
2281 octave_value_list retval; | |
2282 | |
3523 | 2283 std::istream *isp = input_stream (); |
2215 | 2284 |
2285 if (isp) | |
2286 { | |
3523 | 2287 std::istream& is = *isp; |
2215 | 2288 |
2289 scanf_format_list fmt_list (fmt); | |
2290 | |
10187
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2291 octave_idx_type nconv = fmt_list.num_conversions (); |
2215 | 2292 |
3640 | 2293 if (nconv == -1) |
10315
57a59eae83cc
untabify src C++ source files
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2294 ::error ("%s: invalid format specified", who.c_str ()); |
3640 | 2295 else |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2296 { |
57a59eae83cc
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diff
changeset
|
2297 is.clear (); |
57a59eae83cc
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diff
changeset
|
2298 |
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diff
changeset
|
2299 octave_idx_type len = fmt_list.length (); |
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untabify src C++ source files
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diff
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|
2300 |
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diff
changeset
|
2301 retval.resize (nconv+1, Matrix ()); |
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diff
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|
2302 |
57a59eae83cc
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diff
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|
2303 const scanf_format_elt *elt = fmt_list.first (); |
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untabify src C++ source files
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diff
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|
2304 |
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diff
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|
2305 int num_values = 0; |
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diff
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|
2306 |
57a59eae83cc
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diff
changeset
|
2307 bool quit = false; |
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diff
changeset
|
2308 |
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diff
changeset
|
2309 for (octave_idx_type i = 0; i < len; i++) |
57a59eae83cc
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diff
changeset
|
2310 { |
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diff
changeset
|
2311 octave_value tmp; |
57a59eae83cc
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diff
changeset
|
2312 |
57a59eae83cc
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diff
changeset
|
2313 quit = do_oscanf (elt, tmp, who); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2314 |
57a59eae83cc
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parents:
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diff
changeset
|
2315 if (quit) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2316 break; |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2317 else |
57a59eae83cc
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diff
changeset
|
2318 { |
57a59eae83cc
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diff
changeset
|
2319 if (tmp.is_defined ()) |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2320 retval (num_values++) = tmp; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2321 |
57a59eae83cc
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diff
changeset
|
2322 if (! ok ()) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2323 break; |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2324 |
57a59eae83cc
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diff
changeset
|
2325 elt = fmt_list.next (nconv > 0); |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2326 } |
57a59eae83cc
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diff
changeset
|
2327 } |
57a59eae83cc
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diff
changeset
|
2328 |
57a59eae83cc
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diff
changeset
|
2329 retval(nconv) = num_values; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2330 |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2331 if (! quit) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2332 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2333 // Pick up any trailing stuff. |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
2334 if (ok () && len > nconv) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2335 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2336 octave_value tmp; |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2337 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2338 elt = fmt_list.next (); |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2339 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2340 do_oscanf (elt, tmp, who); |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2341 } |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2342 } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2343 } |
2117 | 2344 } |
2345 else | |
4468 | 2346 invalid_operation (who, "reading"); |
2117 | 2347 |
2348 return retval; | |
2349 } | |
2350 | |
2351 // Functions that are defined for all output streams (output streams | |
2352 // are those that define os). | |
2353 | |
2354 int | |
2355 octave_base_stream::flush (void) | |
2356 { | |
2357 int retval = -1; | |
2358 | |
3523 | 2359 std::ostream *os = output_stream (); |
2117 | 2360 |
2361 if (os) | |
2362 { | |
2363 os->flush (); | |
2364 | |
2365 if (os->good ()) | |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2366 retval = 0; |
2117 | 2367 } |
2368 else | |
2369 invalid_operation ("fflush", "writing"); | |
2370 | |
2371 return retval; | |
2372 } | |
2373 | |
2374 class | |
2375 printf_value_cache | |
2376 { | |
2377 public: | |
2378 | |
3653 | 2379 enum state { ok, conversion_error }; |
2117 | 2380 |
7352 | 2381 printf_value_cache (const octave_value_list& args, const std::string& who) |
2117 | 2382 : values (args), val_idx (0), elt_idx (0), |
2383 n_vals (values.length ()), n_elts (0), data (0), | |
7352 | 2384 curr_state (ok) |
2385 { | |
2386 for (octave_idx_type i = 0; i < values.length (); i++) | |
2387 { | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2388 octave_value val = values(i); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2389 |
57a59eae83cc
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diff
changeset
|
2390 if (val.is_map () || val.is_cell () || val.is_object ()) |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2391 { |
57a59eae83cc
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diff
changeset
|
2392 gripe_wrong_type_arg (who, val); |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2393 break; |
57a59eae83cc
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10293
diff
changeset
|
2394 } |
7352 | 2395 } |
2396 } | |
2117 | 2397 |
2398 ~printf_value_cache (void) { } | |
2399 | |
2400 // Get the current value as a double and advance the internal pointer. | |
2401 double double_value (void); | |
2402 | |
2403 // Get the current value as an int and advance the internal pointer. | |
2404 int int_value (void); | |
2405 | |
2406 // Get the current value as a string and advance the internal pointer. | |
3523 | 2407 std::string string_value (void); |
2117 | 2408 |
3145 | 2409 operator bool () const { return (curr_state == ok); } |
2117 | 2410 |
3653 | 2411 bool exhausted (void) { return (val_idx >= n_vals); } |
2117 | 2412 |
2413 private: | |
2414 | |
2415 const octave_value_list values; | |
2416 int val_idx; | |
2417 int elt_idx; | |
2418 int n_vals; | |
2419 int n_elts; | |
2420 const double *data; | |
4874 | 2421 NDArray curr_val; |
2117 | 2422 state curr_state; |
2423 | |
2424 // Must create value cache with values! | |
2425 | |
2426 printf_value_cache (void); | |
2427 | |
2428 // No copying! | |
2429 | |
2430 printf_value_cache (const printf_value_cache&); | |
2431 | |
2432 printf_value_cache& operator = (const printf_value_cache&); | |
2433 }; | |
2434 | |
2435 double | |
2436 printf_value_cache::double_value (void) | |
2437 { | |
2438 double retval = 0.0; | |
2439 | |
3711 | 2440 if (exhausted ()) |
2441 curr_state = conversion_error; | |
2442 | |
2443 while (! exhausted ()) | |
2117 | 2444 { |
2445 if (! data) | |
10315
57a59eae83cc
untabify src C++ source files
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diff
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|
2446 { |
57a59eae83cc
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changeset
|
2447 octave_value tmp_val = values (val_idx); |
57a59eae83cc
untabify src C++ source files
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|
2448 |
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|
2449 // Force string conversion here for compatibility. |
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|
2450 |
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|
2451 curr_val = tmp_val.array_value (true); |
57a59eae83cc
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|
2452 |
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diff
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|
2453 if (! error_state) |
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changeset
|
2454 { |
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|
2455 elt_idx = 0; |
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changeset
|
2456 n_elts = curr_val.length (); |
57a59eae83cc
untabify src C++ source files
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changeset
|
2457 data = curr_val.data (); |
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diff
changeset
|
2458 } |
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diff
changeset
|
2459 else |
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diff
changeset
|
2460 { |
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changeset
|
2461 curr_state = conversion_error; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2462 break; |
57a59eae83cc
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diff
changeset
|
2463 } |
57a59eae83cc
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diff
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|
2464 } |
2117 | 2465 |
2466 if (elt_idx < n_elts) | |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2467 { |
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diff
changeset
|
2468 retval = data[elt_idx++]; |
57a59eae83cc
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diff
changeset
|
2469 |
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changeset
|
2470 if (elt_idx >= n_elts) |
57a59eae83cc
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diff
changeset
|
2471 { |
57a59eae83cc
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diff
changeset
|
2472 elt_idx = 0; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2473 val_idx++; |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2474 data = 0; |
57a59eae83cc
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diff
changeset
|
2475 } |
57a59eae83cc
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diff
changeset
|
2476 |
57a59eae83cc
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diff
changeset
|
2477 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2478 } |
2117 | 2479 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2480 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2481 val_idx++; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2482 data = 0; |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
2483 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2484 if (n_elts == 0 && exhausted ()) |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2485 curr_state = conversion_error; |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2486 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2487 continue; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2488 } |
2117 | 2489 } |
2490 | |
2491 return retval; | |
2492 } | |
2493 | |
2494 int | |
2495 printf_value_cache::int_value (void) | |
2496 { | |
2497 int retval = 0; | |
2498 | |
2499 double dval = double_value (); | |
2500 | |
2501 if (! error_state) | |
2502 { | |
2503 if (D_NINT (dval) == dval) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2504 retval = NINT (dval); |
2117 | 2505 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2506 curr_state = conversion_error; |
2117 | 2507 } |
2508 | |
2509 return retval; | |
2510 } | |
2511 | |
3536 | 2512 std::string |
2117 | 2513 printf_value_cache::string_value (void) |
2514 { | |
3523 | 2515 std::string retval; |
2117 | 2516 |
4425 | 2517 if (exhausted ()) |
2518 curr_state = conversion_error; | |
4257 | 2519 else |
2117 | 2520 { |
4425 | 2521 octave_value tval = values (val_idx++); |
2522 | |
2523 if (tval.rows () == 1) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2524 retval = tval.string_value (); |
4425 | 2525 else |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2526 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2527 // In the name of Matlab compatibility. |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2528 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2529 charMatrix chm = tval.char_matrix_value (); |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2530 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2531 octave_idx_type nr = chm.rows (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2532 octave_idx_type nc = chm.columns (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2533 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2534 int k = 0; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2535 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2536 retval.resize (nr * nc, '\0'); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2537 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2538 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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10293
diff
changeset
|
2539 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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10293
diff
changeset
|
2540 retval[k++] = chm(i,j); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2541 } |
4425 | 2542 |
2543 if (error_state) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2544 curr_state = conversion_error; |
2117 | 2545 } |
4257 | 2546 |
2117 | 2547 return retval; |
2548 } | |
2549 | |
2550 // Ugh again and again. | |
2551 | |
2572 | 2552 template <class T> |
3620 | 2553 int |
3523 | 2554 do_printf_conv (std::ostream& os, const char *fmt, int nsa, int sa_1, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2555 int sa_2, T arg, const std::string& who) |
2572 | 2556 { |
3620 | 2557 int retval = 0; |
2558 | |
2572 | 2559 switch (nsa) |
2560 { | |
2561 case 2: | |
3640 | 2562 retval = octave_format (os, fmt, sa_1, sa_2, arg); |
2572 | 2563 break; |
2564 | |
2565 case 1: | |
3640 | 2566 retval = octave_format (os, fmt, sa_1, arg); |
2572 | 2567 break; |
2568 | |
2569 case 0: | |
3640 | 2570 retval = octave_format (os, fmt, arg); |
2572 | 2571 break; |
2572 | |
2573 default: | |
4468 | 2574 ::error ("%s: internal error handling format", who.c_str ()); |
2572 | 2575 break; |
2576 } | |
3620 | 2577 |
2578 return retval; | |
2572 | 2579 } |
2580 | |
3620 | 2581 template int |
4468 | 2582 do_printf_conv (std::ostream&, const char*, int, int, int, int, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2583 const std::string&); |
4468 | 2584 |
2585 template int | |
2586 do_printf_conv (std::ostream&, const char*, int, int, int, long, | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2587 const std::string&); |
4468 | 2588 |
3878 | 2589 template int |
4468 | 2590 do_printf_conv (std::ostream&, const char*, int, int, int, unsigned int, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2591 const std::string&); |
4468 | 2592 |
2593 template int | |
2594 do_printf_conv (std::ostream&, const char*, int, int, int, unsigned long, | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2595 const std::string&); |
4468 | 2596 |
2597 template int | |
2598 do_printf_conv (std::ostream&, const char*, int, int, int, double, | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2599 const std::string&); |
4468 | 2600 |
2601 template int | |
2602 do_printf_conv (std::ostream&, const char*, int, int, int, const char*, | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2603 const std::string&); |
2117 | 2604 |
6492 | 2605 #define DO_DOUBLE_CONV(TQUAL) \ |
2606 do \ | |
2607 { \ | |
7199 | 2608 if (val > std::numeric_limits<TQUAL long>::max () \ |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2609 || val < std::numeric_limits<TQUAL long>::min ()) \ |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2610 { \ |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2611 std::string tfmt = fmt; \ |
6492 | 2612 \ |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2613 tfmt.replace (tfmt.rfind (elt->type), 1, ".f"); \ |
6492 | 2614 \ |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2615 if (elt->modifier == 'l') \ |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2616 tfmt.replace (tfmt.rfind (elt->modifier), 1, ""); \ |
7199 | 2617 \ |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2618 retval += do_printf_conv (os, tfmt.c_str (), nsa, sa_1, sa_2, \ |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2619 val, who); \ |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2620 } \ |
6492 | 2621 else \ |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2622 retval += do_printf_conv (os, fmt, nsa, sa_1, sa_2, \ |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2623 static_cast<TQUAL long> (val), who); \ |
6492 | 2624 } \ |
2625 while (0) | |
2626 | |
2117 | 2627 int |
2628 octave_base_stream::do_printf (printf_format_list& fmt_list, | |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2629 const octave_value_list& args, |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2630 const std::string& who) |
2117 | 2631 { |
3620 | 2632 int retval = 0; |
2117 | 2633 |
10187
a44d15813a39
don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents:
10160
diff
changeset
|
2634 octave_idx_type nconv = fmt_list.num_conversions (); |
3640 | 2635 |
3523 | 2636 std::ostream *osp = output_stream (); |
2117 | 2637 |
2638 if (osp) | |
2639 { | |
3523 | 2640 std::ostream& os = *osp; |
2117 | 2641 |
2642 const printf_format_elt *elt = fmt_list.first (); | |
2643 | |
7352 | 2644 printf_value_cache val_cache (args, who); |
2645 | |
2646 if (error_state) | |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2647 return retval; |
2117 | 2648 |
2649 for (;;) | |
10315
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2650 { |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2651 octave_quit (); |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2652 |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2653 if (elt) |
57a59eae83cc
untabify src C++ source files
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parents:
10293
diff
changeset
|
2654 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2655 // NSA is the number of `star' args to convert. |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2656 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2657 int nsa = (elt->fw < 0) + (elt->prec < 0); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2658 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2659 int sa_1 = 0; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2660 int sa_2 = 0; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2661 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2662 if (nsa > 0) |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2663 { |
57a59eae83cc
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diff
changeset
|
2664 sa_1 = val_cache.int_value (); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2665 |
57a59eae83cc
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10293
diff
changeset
|
2666 if (! val_cache) |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2667 break; |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2668 else |
57a59eae83cc
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diff
changeset
|
2669 { |
57a59eae83cc
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diff
changeset
|
2670 if (nsa > 1) |
57a59eae83cc
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diff
changeset
|
2671 { |
57a59eae83cc
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changeset
|
2672 sa_2 = val_cache.int_value (); |
57a59eae83cc
untabify src C++ source files
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changeset
|
2673 |
57a59eae83cc
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diff
changeset
|
2674 if (! val_cache) |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2675 break; |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2676 } |
57a59eae83cc
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diff
changeset
|
2677 } |
57a59eae83cc
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diff
changeset
|
2678 } |
57a59eae83cc
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diff
changeset
|
2679 |
57a59eae83cc
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diff
changeset
|
2680 const char *fmt = elt->text; |
57a59eae83cc
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changeset
|
2681 |
57a59eae83cc
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changeset
|
2682 if (elt->type == '%') |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2683 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2684 os << "%"; |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2685 retval++; |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2686 } |
57a59eae83cc
untabify src C++ source files
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changeset
|
2687 else if (elt->args == 0 && elt->text) |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2688 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2689 os << elt->text; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2690 retval += strlen (elt->text); |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2691 } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2692 else if (elt->type == 's') |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2693 { |
57a59eae83cc
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changeset
|
2694 std::string val = val_cache.string_value (); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2695 |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2696 if (val_cache) |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2697 retval += do_printf_conv (os, fmt, nsa, sa_1, |
57a59eae83cc
untabify src C++ source files
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changeset
|
2698 sa_2, val.c_str (), who); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2699 else |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2700 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2701 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2702 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2703 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2704 double val = val_cache.double_value (); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2705 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2706 if (val_cache) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2707 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2708 if (lo_ieee_isnan (val) || xisinf (val)) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2709 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2710 std::string tfmt = fmt; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2711 std::string::size_type i1, i2; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2712 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2713 tfmt.replace ((i1 = tfmt.rfind (elt->type)), |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2714 1, 1, 's'); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2715 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2716 if ((i2 = tfmt.rfind ('.')) != std::string::npos && i2 < i1) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2717 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2718 tfmt.erase (i2, i1-i2); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2719 if (elt->prec < 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2720 nsa--; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2721 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2722 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2723 const char *tval = xisinf (val) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2724 ? (val < 0 ? "-Inf" : "Inf") |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2725 : (lo_ieee_is_NA (val) ? "NA" : "NaN"); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2726 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2727 retval += do_printf_conv (os, tfmt.c_str (), |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2728 nsa, sa_1, sa_2, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2729 tval, who); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2730 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2731 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2732 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2733 char type = elt->type; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2734 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2735 switch (type) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2736 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2737 case 'd': case 'i': case 'c': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2738 DO_DOUBLE_CONV (OCTAVE_EMPTY_CPP_ARG); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2739 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2740 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2741 case 'o': case 'x': case 'X': case 'u': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2742 DO_DOUBLE_CONV (unsigned); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2743 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2744 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2745 case 'f': case 'e': case 'E': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2746 case 'g': case 'G': |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2747 retval |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2748 += do_printf_conv (os, fmt, nsa, sa_1, sa_2, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2749 val, who); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2750 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2751 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2752 default: |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2753 error ("%s: invalid format specifier", |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2754 who.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2755 return -1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2756 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2757 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2758 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2759 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2760 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2761 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2762 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2763 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2764 if (! os) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2765 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2766 error ("%s: write error", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2767 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2768 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2769 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2770 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2771 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2772 ::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
|
2773 retval = -1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2774 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2775 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2776 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2777 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
|
2778 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2779 if (! elt || (val_cache.exhausted () && elt->args > 0)) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2780 break; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2781 } |
2117 | 2782 } |
3640 | 2783 else |
4468 | 2784 invalid_operation (who, "writing"); |
2117 | 2785 |
2786 return retval; | |
2787 } | |
2788 | |
2789 int | |
3640 | 2790 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
|
2791 const octave_value_list& args, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2792 const std::string& who) |
2117 | 2793 { |
3640 | 2794 int retval = 0; |
2795 | |
2796 printf_format_list fmt_list (fmt); | |
2797 | |
2798 if (fmt_list.num_conversions () == -1) | |
4468 | 2799 ::error ("%s: invalid format specified", who.c_str ()); |
2117 | 2800 else |
4468 | 2801 retval = do_printf (fmt_list, args, who); |
2117 | 2802 |
2803 return retval; | |
2804 } | |
2805 | |
2806 int | |
4468 | 2807 octave_base_stream::puts (const std::string& s, const std::string& who) |
2117 | 2808 { |
2809 int retval = -1; | |
2810 | |
3523 | 2811 std::ostream *osp = output_stream (); |
2117 | 2812 |
2813 if (osp) | |
2814 { | |
3523 | 2815 std::ostream& os = *osp; |
2117 | 2816 |
2817 os << s; | |
2818 | |
2819 if (os) | |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
2820 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2821 // FIXME -- why does this seem to be necessary? |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2822 // Without it, output from a loop like |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2823 // |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2824 // for i = 1:100, fputs (stdout, "foo\n"); endfor |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2825 // |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2826 // doesn't seem to go to the pager immediately. |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2827 |
57a59eae83cc
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10293
diff
changeset
|
2828 os.flush (); |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2829 |
57a59eae83cc
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parents:
10293
diff
changeset
|
2830 if (os) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
2831 retval = 0; |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
2832 else |
57a59eae83cc
untabify src C++ source files
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changeset
|
2833 error ("%s: write error", who.c_str ()); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2834 } |
2117 | 2835 else |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2836 error ("%s: write error", who.c_str ()); |
2117 | 2837 } |
2838 else | |
4468 | 2839 invalid_operation (who, "writing"); |
2117 | 2840 |
2841 return retval; | |
2842 } | |
2843 | |
2844 // Return current error message for this stream. | |
2845 | |
3536 | 2846 std::string |
2435 | 2847 octave_base_stream::error (bool clear_err, int& err_num) |
2117 | 2848 { |
2435 | 2849 err_num = fail ? -1 : 0; |
2117 | 2850 |
3523 | 2851 std::string tmp = errmsg; |
2117 | 2852 |
2853 if (clear_err) | |
2854 clear (); | |
2855 | |
2856 return tmp; | |
2857 } | |
2858 | |
2859 void | |
4468 | 2860 octave_base_stream::invalid_operation (const std::string& who, const char *rw) |
2117 | 2861 { |
4468 | 2862 // Note that this is not ::error () ! |
2863 | |
6297 | 2864 error (who, std::string ("stream not open for ") + rw); |
2117 | 2865 } |
2866 | |
3552 | 2867 octave_stream::octave_stream (octave_base_stream *bs) |
3340 | 2868 : rep (bs) |
2869 { | |
2870 if (rep) | |
2871 rep->count = 1; | |
2872 } | |
2873 | |
2874 octave_stream::~octave_stream (void) | |
2875 { | |
2876 if (rep && --rep->count == 0) | |
2877 delete rep; | |
2878 } | |
2879 | |
2880 octave_stream::octave_stream (const octave_stream& s) | |
2881 : rep (s.rep) | |
2882 { | |
2883 if (rep) | |
2884 rep->count++; | |
2885 } | |
2886 | |
2887 octave_stream& | |
2888 octave_stream::operator = (const octave_stream& s) | |
2889 { | |
2890 if (rep != s.rep) | |
2891 { | |
2892 if (rep && --rep->count == 0) | |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2893 delete rep; |
3340 | 2894 |
2895 rep = s.rep; | |
2896 | |
2897 if (rep) | |
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2898 rep->count++; |
3340 | 2899 } |
2900 | |
2901 return *this; | |
2902 } | |
2903 | |
2117 | 2904 int |
2905 octave_stream::flush (void) | |
2906 { | |
2907 int retval = -1; | |
2908 | |
5659 | 2909 if (stream_ok ()) |
2117 | 2910 retval = rep->flush (); |
2911 | |
2912 return retval; | |
2913 } | |
2914 | |
3536 | 2915 std::string |
5275 | 2916 octave_stream::getl (octave_idx_type max_len, bool& err, const std::string& who) |
2117 | 2917 { |
3523 | 2918 std::string retval; |
2117 | 2919 |
5659 | 2920 if (stream_ok ()) |
4468 | 2921 retval = rep->getl (max_len, err, who); |
2117 | 2922 |
2923 return retval; | |
2924 } | |
2925 | |
3536 | 2926 std::string |
4468 | 2927 octave_stream::getl (const octave_value& tc_max_len, bool& err, |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2928 const std::string& who) |
2117 | 2929 { |
3523 | 2930 std::string retval; |
2117 | 2931 |
2932 err = false; | |
2933 | |
2934 int conv_err = 0; | |
2935 | |
6345 | 2936 int max_len = -1; |
2937 | |
2938 if (tc_max_len.is_defined ()) | |
2117 | 2939 { |
6345 | 2940 max_len = convert_to_valid_int (tc_max_len, conv_err); |
2941 | |
2942 if (conv_err || max_len < 0) | |
10315
57a59eae83cc
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2943 { |
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2944 err = true; |
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2945 ::error ("%s: invalid maximum length specified", who.c_str ()); |
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2946 } |
2117 | 2947 } |
6345 | 2948 |
2949 if (! error_state) | |
4468 | 2950 retval = getl (max_len, err, who); |
2117 | 2951 |
2952 return retval; | |
2953 } | |
2954 | |
3536 | 2955 std::string |
5275 | 2956 octave_stream::gets (octave_idx_type max_len, bool& err, const std::string& who) |
2117 | 2957 { |
3523 | 2958 std::string retval; |
2117 | 2959 |
5659 | 2960 if (stream_ok ()) |
4468 | 2961 retval = rep->gets (max_len, err, who); |
2117 | 2962 |
2963 return retval; | |
2964 } | |
2965 | |
3536 | 2966 std::string |
4468 | 2967 octave_stream::gets (const octave_value& tc_max_len, bool& err, |
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2968 const std::string& who) |
2117 | 2969 { |
3523 | 2970 std::string retval; |
2117 | 2971 |
2972 err = false; | |
2973 | |
2974 int conv_err = 0; | |
2975 | |
6345 | 2976 int max_len = -1; |
2977 | |
2978 if (tc_max_len.is_defined ()) | |
2117 | 2979 { |
6345 | 2980 max_len = convert_to_valid_int (tc_max_len, conv_err); |
2981 | |
2982 if (conv_err || max_len < 0) | |
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2983 { |
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2984 err = true; |
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2985 ::error ("%s: invalid maximum length specified", who.c_str ()); |
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2986 } |
2117 | 2987 } |
6345 | 2988 |
2989 if (! error_state) | |
4468 | 2990 retval = gets (max_len, err, who); |
2117 | 2991 |
2992 return retval; | |
2993 } | |
2994 | |
9701 | 2995 long |
2996 octave_stream::skipl (long count, bool& err, const std::string& who) | |
2997 { | |
2998 long retval = -1; | |
2999 | |
3000 if (stream_ok ()) | |
3001 retval = rep->skipl (count, err, who); | |
3002 | |
3003 return retval; | |
3004 } | |
3005 | |
3006 long | |
3007 octave_stream::skipl (const octave_value& tc_count, bool& err, const std::string& who) | |
3008 { | |
3009 long retval = -1; | |
3010 | |
3011 err = false; | |
3012 | |
3013 int conv_err = 0; | |
3014 | |
3015 int count = 1; | |
3016 | |
3017 if (tc_count.is_defined ()) | |
3018 { | |
3019 if (tc_count.is_scalar_type () && xisinf (tc_count.scalar_value ())) | |
3020 count = -1; | |
3021 else | |
3022 { | |
3023 count = convert_to_valid_int (tc_count, conv_err); | |
3024 | |
3025 if (conv_err || count < 0) | |
3026 { | |
3027 err = true; | |
3028 ::error ("%s: invalid number of lines specified", who.c_str ()); | |
3029 } | |
3030 } | |
3031 } | |
3032 | |
3033 if (! error_state) | |
3034 retval = skipl (count, err, who); | |
3035 | |
3036 return retval; | |
3037 } | |
3038 | |
2117 | 3039 int |
4797 | 3040 octave_stream::seek (long offset, int origin) |
2117 | 3041 { |
5065 | 3042 int status = -1; |
2117 | 3043 |
5659 | 3044 if (stream_ok ()) |
4889 | 3045 { |
3046 clearerr (); | |
3047 | |
5065 | 3048 long orig_pos = rep->tell (); |
3049 | |
3050 status = rep->seek (offset, origin); | |
3051 | |
3052 if (status == 0) | |
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3053 { |
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3054 long save_pos = rep->tell (); |
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3055 |
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3056 rep->seek (0, SEEK_END); |
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3057 |
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3058 long pos_eof = rep->tell (); |
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3059 |
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3060 // I don't think save_pos can be less than zero, but we'll |
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3061 // check anyway... |
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3062 |
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3063 if (save_pos > pos_eof || save_pos < 0) |
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3064 { |
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3065 // Seek outside bounds of file. Failure should leave |
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3066 // position unchanged. |
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3067 |
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3068 rep->seek (orig_pos, SEEK_SET); |
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3069 |
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3070 status = -1; |
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3071 } |
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3072 else |
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3073 { |
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3074 // Is it possible for this to fail? We are just |
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3075 // returning to a position after the first successful |
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3076 // seek. |
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3077 |
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3078 rep->seek (save_pos, SEEK_SET); |
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3079 } |
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3080 } |
4889 | 3081 } |
2117 | 3082 |
5065 | 3083 return status; |
2117 | 3084 } |
3085 | |
3086 int | |
3087 octave_stream::seek (const octave_value& tc_offset, | |
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3088 const octave_value& tc_origin) |
2117 | 3089 { |
3090 int retval = -1; | |
3091 | |
4797 | 3092 long xoffset = tc_offset.long_value (true); |
4645 | 3093 |
3094 if (! error_state) | |
2117 | 3095 { |
4645 | 3096 int conv_err = 0; |
3097 | |
4797 | 3098 int origin = SEEK_SET; |
2117 | 3099 |
2341 | 3100 if (tc_origin.is_string ()) |
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3101 { |
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3102 std::string xorigin = tc_origin.string_value (); |
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3103 |
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3104 if (xorigin == "bof") |
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3105 origin = SEEK_SET; |
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3106 else if (xorigin == "cof") |
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3107 origin = SEEK_CUR; |
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3108 else if (xorigin == "eof") |
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3109 origin = SEEK_END; |
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3110 else |
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3111 conv_err = -1; |
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3112 } |
2341 | 3113 else |
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3114 { |
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3115 int xorigin = convert_to_valid_int (tc_origin, conv_err); |
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3116 |
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3117 if (! conv_err) |
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3118 { |
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3119 if (xorigin == -1) |
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3120 origin = SEEK_SET; |
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3121 else if (xorigin == 0) |
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3122 origin = SEEK_CUR; |
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3123 else if (xorigin == 1) |
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3124 origin = SEEK_END; |
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3125 else |
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3126 conv_err = -1; |
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3127 } |
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3128 } |
2117 | 3129 |
3130 if (! conv_err) | |
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3131 { |
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3132 retval = seek (xoffset, origin); |
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3133 |
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3134 if (retval != 0) |
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3135 error ("fseek: failed to seek to requested position"); |
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3136 } |
2117 | 3137 else |
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3138 error ("fseek: invalid value for origin"); |
2117 | 3139 } |
3140 else | |
3141 error ("fseek: invalid value for offset"); | |
3142 | |
3143 return retval; | |
3144 } | |
3145 | |
4797 | 3146 long |
3147 octave_stream::tell (void) | |
2117 | 3148 { |
4797 | 3149 long retval = -1; |
2117 | 3150 |
5659 | 3151 if (stream_ok ()) |
2117 | 3152 retval = rep->tell (); |
3153 | |
3154 return retval; | |
3155 } | |
3156 | |
3157 int | |
3158 octave_stream::rewind (void) | |
3159 { | |
6296 | 3160 return seek (0, SEEK_SET); |
2117 | 3161 } |
3162 | |
3340 | 3163 bool |
3164 octave_stream::is_open (void) const | |
3165 { | |
3166 bool retval = false; | |
3167 | |
5659 | 3168 if (stream_ok ()) |
3340 | 3169 retval = rep->is_open (); |
3170 | |
3171 return retval; | |
3172 } | |
3173 | |
3174 void | |
3175 octave_stream::close (void) | |
3176 { | |
5659 | 3177 if (stream_ok ()) |
3340 | 3178 rep->close (); |
3179 } | |
3180 | |
4944 | 3181 template <class RET_T, class READ_T> |
2117 | 3182 octave_value |
5275 | 3183 do_read (octave_stream& strm, octave_idx_type nr, octave_idx_type nc, octave_idx_type block_size, |
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3184 octave_idx_type skip, bool do_float_fmt_conv, bool do_NA_conv, |
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3185 oct_mach_info::float_format from_flt_fmt, octave_idx_type& count) |
2117 | 3186 { |
3187 octave_value retval; | |
3188 | |
4944 | 3189 RET_T nda; |
3190 | |
3191 count = 0; | |
3192 | |
9941
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3193 typedef typename RET_T::element_type ELMT; |
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3194 ELMT elt_zero = ELMT (); |
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3195 |
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|
3196 ELMT *dat = 0; |
4944 | 3197 |
5275 | 3198 octave_idx_type max_size = 0; |
3199 | |
3200 octave_idx_type final_nr = 0; | |
3201 octave_idx_type final_nc = 1; | |
4944 | 3202 |
3203 if (nr > 0) | |
3204 { | |
3205 if (nc > 0) | |
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3206 { |
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3207 nda.resize (dim_vector (nr, nc), elt_zero); |
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3208 dat = nda.fortran_vec (); |
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3209 max_size = nr * nc; |
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3210 } |
4944 | 3211 else |
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3212 { |
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3213 nda.resize (dim_vector (nr, 32), elt_zero); |
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3214 dat = nda.fortran_vec (); |
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3215 max_size = nr * 32; |
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3216 } |
4944 | 3217 } |
3218 else | |
3219 { | |
3220 nda.resize (dim_vector (32, 1), elt_zero); | |
3221 dat = nda.fortran_vec (); | |
3222 max_size = 32; | |
3223 } | |
3224 | |
5775 | 3225 // FIXME -- byte order for Cray? |
4944 | 3226 |
3227 bool swap = false; | |
3228 | |
3229 if (oct_mach_info::words_big_endian ()) | |
3230 swap = (from_flt_fmt == oct_mach_info::flt_fmt_ieee_little_endian | |
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3231 || from_flt_fmt == oct_mach_info::flt_fmt_vax_g |
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changeset
|
3232 || from_flt_fmt == oct_mach_info::flt_fmt_vax_g); |
4944 | 3233 else |
3234 swap = (from_flt_fmt == oct_mach_info::flt_fmt_ieee_big_endian); | |
3235 | |
3236 union | |
3237 { | |
9685 | 3238 char buf[sizeof (typename strip_template_param<octave_int, READ_T>::type)]; |
3239 typename strip_template_param<octave_int, READ_T>::type val; | |
4944 | 3240 } u; |
3241 | |
3242 std::istream *isp = strm.input_stream (); | |
3243 | |
3244 if (isp) | |
3245 { | |
3246 std::istream& is = *isp; | |
3247 | |
5275 | 3248 octave_idx_type elts_read = 0; |
4944 | 3249 |
3250 for (;;) | |
10315
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|
3251 { |
57a59eae83cc
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diff
changeset
|
3252 // FIXME -- maybe there should be a special case for |
57a59eae83cc
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|
3253 // skip == 0. |
57a59eae83cc
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diff
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|
3254 |
57a59eae83cc
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diff
changeset
|
3255 if (is) |
57a59eae83cc
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diff
changeset
|
3256 { |
57a59eae83cc
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diff
changeset
|
3257 if (nr > 0 && nc > 0 && count == max_size) |
57a59eae83cc
untabify src C++ source files
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diff
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|
3258 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3259 final_nr = nr; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3260 final_nc = nc; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3261 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3262 break; |
57a59eae83cc
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diff
changeset
|
3263 } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3264 |
57a59eae83cc
untabify src C++ source files
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changeset
|
3265 is.read (u.buf, sizeof (typename strip_template_param<octave_int, READ_T>::type)); |
57a59eae83cc
untabify src C++ source files
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diff
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|
3266 |
57a59eae83cc
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diff
changeset
|
3267 // We only swap bytes for integer types. For float |
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untabify src C++ source files
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diff
changeset
|
3268 // types, the format conversion will also handle byte |
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diff
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|
3269 // swapping. |
57a59eae83cc
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diff
changeset
|
3270 |
57a59eae83cc
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diff
changeset
|
3271 if (swap) |
57a59eae83cc
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diff
changeset
|
3272 swap_bytes<sizeof (typename strip_template_param<octave_int, READ_T>::type)> (u.buf); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3273 else if (do_float_fmt_conv) |
57a59eae83cc
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diff
changeset
|
3274 do_float_format_conversion |
57a59eae83cc
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diff
changeset
|
3275 (u.buf, |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3276 sizeof (typename strip_template_param<octave_int, READ_T>::type), |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3277 1, from_flt_fmt, oct_mach_info::float_format ()); |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3278 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3279 typename RET_T::element_type tmp |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3280 = static_cast <typename RET_T::element_type> (u.val); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3281 |
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
3282 if (is) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3283 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3284 if (count == max_size) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3285 { |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3286 max_size *= 2; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3287 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3288 if (nr > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3289 nda.resize (dim_vector (nr, max_size / nr), |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3290 elt_zero); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3291 else |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3292 nda.resize (dim_vector (max_size, 1), elt_zero); |
57a59eae83cc
untabify src C++ source files
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diff
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|
3293 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3294 dat = nda.fortran_vec (); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3295 } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3296 |
57a59eae83cc
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changeset
|
3297 if (do_NA_conv && __lo_ieee_is_old_NA (tmp)) |
57a59eae83cc
untabify src C++ source files
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changeset
|
3298 tmp = __lo_ieee_replace_old_NA (tmp); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3299 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3300 dat[count++] = tmp; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3301 |
57a59eae83cc
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diff
changeset
|
3302 elts_read++; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3303 } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3304 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3305 int seek_status = 0; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3306 |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3307 if (skip != 0 && elts_read == block_size) |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
3308 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3309 seek_status = strm.seek (skip, SEEK_CUR); |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3310 elts_read = 0; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3311 } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3312 |
57a59eae83cc
untabify src C++ source files
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changeset
|
3313 if (is.eof () || seek_status < 0) |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3314 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3315 if (nr > 0) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3316 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3317 if (count > nr) |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3318 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3319 final_nr = nr; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3320 final_nc = (count - 1) / nr + 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
3321 } |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
3322 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
3323 { |
57a59eae83cc
untabify src C++ source files
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10293
diff
changeset
|
3324 final_nr = count; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3325 final_nc = 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10293
diff
changeset
|
3326 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3327 } |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3328 else |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
3329 { |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3330 final_nr = count; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
3331 final_nc = 1; |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3332 } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3333 |
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
3334 break; |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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10293
diff
changeset
|
3335 } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3336 } |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
3337 else if (is.eof ()) |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3338 break; |
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
3339 } |
4944 | 3340 } |
3341 | |
5030 | 3342 nda.resize (dim_vector (final_nr, final_nc), elt_zero); |
3343 | |
3344 retval = nda; | |
4944 | 3345 |
3346 return retval; | |
3347 } | |
3348 | |
3349 #define DO_READ_VAL_TEMPLATE(RET_T, READ_T) \ | |
3350 template octave_value \ | |
7995 | 3351 do_read<RET_T, READ_T> (octave_stream&, octave_idx_type, octave_idx_type, octave_idx_type, octave_idx_type, bool, bool, \ |
10315
57a59eae83cc
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changeset
|
3352 oct_mach_info::float_format, octave_idx_type&) |
4944 | 3353 |
5775 | 3354 // FIXME -- should we only have float if it is a different |
4944 | 3355 // size from double? |
3356 | |
3357 #define INSTANTIATE_DO_READ(VAL_T) \ | |
3358 DO_READ_VAL_TEMPLATE (VAL_T, octave_int8); \ | |
3359 DO_READ_VAL_TEMPLATE (VAL_T, octave_uint8); \ | |
3360 DO_READ_VAL_TEMPLATE (VAL_T, octave_int16); \ | |
3361 DO_READ_VAL_TEMPLATE (VAL_T, octave_uint16); \ | |
3362 DO_READ_VAL_TEMPLATE (VAL_T, octave_int32); \ | |
3363 DO_READ_VAL_TEMPLATE (VAL_T, octave_uint32); \ | |
3364 DO_READ_VAL_TEMPLATE (VAL_T, octave_int64); \ | |
3365 DO_READ_VAL_TEMPLATE (VAL_T, octave_uint64); \ | |
3366 DO_READ_VAL_TEMPLATE (VAL_T, float); \ | |
3367 DO_READ_VAL_TEMPLATE (VAL_T, double); \ | |
3368 DO_READ_VAL_TEMPLATE (VAL_T, char); \ | |
3369 DO_READ_VAL_TEMPLATE (VAL_T, signed char); \ | |
3370 DO_READ_VAL_TEMPLATE (VAL_T, unsigned char) | |
3371 | |
4970 | 3372 INSTANTIATE_DO_READ (int8NDArray); |
3373 INSTANTIATE_DO_READ (uint8NDArray); | |
3374 INSTANTIATE_DO_READ (int16NDArray); | |
3375 INSTANTIATE_DO_READ (uint16NDArray); | |
3376 INSTANTIATE_DO_READ (int32NDArray); | |
3377 INSTANTIATE_DO_READ (uint32NDArray); | |
3378 INSTANTIATE_DO_READ (int64NDArray); | |
3379 INSTANTIATE_DO_READ (uint64NDArray); | |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7724
diff
changeset
|
3380 INSTANTIATE_DO_READ (FloatNDArray); |
4970 | 3381 INSTANTIATE_DO_READ (NDArray); |
3382 INSTANTIATE_DO_READ (charNDArray); | |
5780 | 3383 INSTANTIATE_DO_READ (boolNDArray); |
4944 | 3384 |
7995 | 3385 typedef octave_value (*read_fptr) (octave_stream&, octave_idx_type, octave_idx_type, octave_idx_type, octave_idx_type, bool, bool, |
10315
57a59eae83cc
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diff
changeset
|
3386 oct_mach_info::float_format ffmt, octave_idx_type&); |
4944 | 3387 |
3388 #define FILL_TABLE_ROW(R, VAL_T) \ | |
9202
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9017
diff
changeset
|
3389 read_fptr_table[R][oct_data_conv::dt_int8] = do_read<VAL_T, octave_int8>; \ |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9017
diff
changeset
|
3390 read_fptr_table[R][oct_data_conv::dt_uint8] = do_read<VAL_T, octave_uint8>; \ |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9017
diff
changeset
|
3391 read_fptr_table[R][oct_data_conv::dt_int16] = do_read<VAL_T, octave_int16>; \ |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9017
diff
changeset
|
3392 read_fptr_table[R][oct_data_conv::dt_uint16] = do_read<VAL_T, octave_uint16>; \ |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9017
diff
changeset
|
3393 read_fptr_table[R][oct_data_conv::dt_int32] = do_read<VAL_T, octave_int32>; \ |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9017
diff
changeset
|
3394 read_fptr_table[R][oct_data_conv::dt_uint32] = do_read<VAL_T, octave_uint32>; \ |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9017
diff
changeset
|
3395 read_fptr_table[R][oct_data_conv::dt_int64] = do_read<VAL_T, octave_int64>; \ |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9017
diff
changeset
|
3396 read_fptr_table[R][oct_data_conv::dt_uint64] = do_read<VAL_T, octave_uint64>; \ |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9017
diff
changeset
|
3397 read_fptr_table[R][oct_data_conv::dt_single] = do_read<VAL_T, float>; \ |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9017
diff
changeset
|
3398 read_fptr_table[R][oct_data_conv::dt_double] = do_read<VAL_T, double>; \ |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9017
diff
changeset
|
3399 read_fptr_table[R][oct_data_conv::dt_char] = do_read<VAL_T, char>; \ |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
9017
diff
changeset
|
3400 read_fptr_table[R][oct_data_conv::dt_schar] = do_read<VAL_T, signed char>; \ |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
3401 read_fptr_table[R][oct_data_conv::dt_uchar] = do_read<VAL_T, unsigned char>; \ |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
3402 read_fptr_table[R][oct_data_conv::dt_logical] = do_read<VAL_T, unsigned char> |
4944 | 3403 |
3404 octave_value | |
5275 | 3405 octave_stream::read (const Array<double>& size, octave_idx_type block_size, |
10315
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3406 oct_data_conv::data_type input_type, |
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3407 oct_data_conv::data_type output_type, |
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3408 octave_idx_type skip, oct_mach_info::float_format ffmt, |
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3409 octave_idx_type& char_count) |
4944 | 3410 { |
3411 static bool initialized = false; | |
3412 | |
3413 // Table function pointers for return types x read types. | |
3414 | |
9202
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
3415 static read_fptr read_fptr_table[oct_data_conv::dt_unknown][14]; |
4944 | 3416 |
3417 if (! initialized) | |
3418 { | |
9202
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
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diff
changeset
|
3419 for (int i = 0; i < oct_data_conv::dt_unknown; i++) |
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clean up Array instantiation mess in oct-stream.cc
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diff
changeset
|
3420 for (int j = 0; j < 14; j++) |
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clean up Array instantiation mess in oct-stream.cc
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|
3421 read_fptr_table[i][j] = 0; |
4b2147b25e8d
clean up Array instantiation mess in oct-stream.cc
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|
3422 |
4944 | 3423 FILL_TABLE_ROW (oct_data_conv::dt_int8, int8NDArray); |
3424 FILL_TABLE_ROW (oct_data_conv::dt_uint8, uint8NDArray); | |
3425 FILL_TABLE_ROW (oct_data_conv::dt_int16, int16NDArray); | |
3426 FILL_TABLE_ROW (oct_data_conv::dt_uint16, uint16NDArray); | |
3427 FILL_TABLE_ROW (oct_data_conv::dt_int32, int32NDArray); | |
3428 FILL_TABLE_ROW (oct_data_conv::dt_uint32, uint32NDArray); | |
3429 FILL_TABLE_ROW (oct_data_conv::dt_int64, int64NDArray); | |
3430 FILL_TABLE_ROW (oct_data_conv::dt_uint64, uint64NDArray); | |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7724
diff
changeset
|
3431 FILL_TABLE_ROW (oct_data_conv::dt_single, FloatNDArray); |
4944 | 3432 FILL_TABLE_ROW (oct_data_conv::dt_double, NDArray); |
3433 FILL_TABLE_ROW (oct_data_conv::dt_char, charNDArray); | |
3434 FILL_TABLE_ROW (oct_data_conv::dt_schar, charNDArray); | |
3435 FILL_TABLE_ROW (oct_data_conv::dt_uchar, charNDArray); | |
4970 | 3436 FILL_TABLE_ROW (oct_data_conv::dt_logical, boolNDArray); |
4944 | 3437 |
3438 initialized = true; | |
3439 } | |
3440 | |
3441 octave_value retval; | |
3442 | |
5659 | 3443 if (stream_ok ()) |
4944 | 3444 { |
5775 | 3445 // FIXME -- we may eventually want to make this extensible. |
3446 | |
3447 // FIXME -- we need a better way to ensure that this | |
4944 | 3448 // numbering stays consistent with the order of the elements in the |
3449 // data_type enum in the oct_data_conv class. | |
3450 | |
3451 char_count = 0; | |
3452 | |
5275 | 3453 octave_idx_type nr = -1; |
3454 octave_idx_type nc = -1; | |
4944 | 3455 |
3456 bool ignore; | |
3457 | |
3458 get_size (size, nr, nc, ignore, "fread"); | |
3459 | |
3460 if (! error_state) | |
10315
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|
3461 { |
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|
3462 if (nr == 0 || nc == 0) |
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3463 retval = Matrix (nr, nc); |
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|
3464 else |
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|
3465 { |
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3466 if (ffmt == oct_mach_info::flt_fmt_unknown) |
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3467 ffmt = float_format (); |
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3468 |
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3469 read_fptr fcn = read_fptr_table[output_type][input_type]; |
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3470 |
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3471 bool do_float_fmt_conv = ((input_type == oct_data_conv::dt_double |
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3472 || input_type == oct_data_conv::dt_single) |
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3473 && ffmt != float_format ()); |
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|
3474 |
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3475 bool do_NA_conv = (output_type == oct_data_conv::dt_double); |
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3476 |
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|
3477 if (fcn) |
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|
3478 { |
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3479 retval = (*fcn) (*this, nr, nc, block_size, skip, |
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|
3480 do_float_fmt_conv, do_NA_conv, |
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3481 ffmt, char_count); |
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3482 |
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3483 // FIXME -- kluge! |
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3484 |
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3485 if (! error_state |
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3486 && (output_type == oct_data_conv::dt_char |
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3487 || output_type == oct_data_conv::dt_schar |
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3488 || output_type == oct_data_conv::dt_uchar)) |
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3489 retval = retval.char_matrix_value (); |
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|
3490 } |
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|
3491 else |
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3492 error ("fread: unable to read and convert requested types"); |
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3493 } |
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3494 } |
4944 | 3495 else |
10315
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|
3496 invalid_operation ("fread", "reading"); |
4944 | 3497 } |
2117 | 3498 |
3499 return retval; | |
3500 } | |
3501 | |
5275 | 3502 octave_idx_type |
3503 octave_stream::write (const octave_value& data, octave_idx_type block_size, | |
10315
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3504 oct_data_conv::data_type output_type, octave_idx_type skip, |
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|
3505 oct_mach_info::float_format flt_fmt) |
2117 | 3506 { |
5275 | 3507 octave_idx_type retval = -1; |
2117 | 3508 |
5659 | 3509 if (stream_ok ()) |
4944 | 3510 { |
3511 if (! error_state) | |
10315
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|
3512 { |
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3513 if (flt_fmt == oct_mach_info::flt_fmt_unknown) |
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3514 flt_fmt = float_format (); |
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3515 |
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3516 octave_idx_type status = data.write (*this, block_size, output_type, |
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3517 skip, flt_fmt); |
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3518 |
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|
3519 if (status < 0) |
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|
3520 error ("fwrite: write error"); |
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|
3521 else |
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3522 retval = status; |
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3523 } |
4944 | 3524 else |
10315
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|
3525 invalid_operation ("fwrite", "writing"); |
4944 | 3526 } |
2117 | 3527 |
3528 return retval; | |
3529 } | |
3530 | |
4944 | 3531 template <class T> |
3532 void | |
3533 write_int (std::ostream& os, bool swap, const T& val) | |
3534 { | |
9685 | 3535 typename T::val_type tmp = val.value (); |
4944 | 3536 |
3537 if (swap) | |
9685 | 3538 swap_bytes<sizeof (typename T::val_type)> (&tmp); |
4944 | 3539 |
3540 os.write (reinterpret_cast<const char *> (&tmp), | |
10315
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|
3541 sizeof (typename T::val_type)); |
4944 | 3542 } |
3543 | |
3544 template void write_int (std::ostream&, bool, const octave_int8&); | |
3545 template void write_int (std::ostream&, bool, const octave_uint8&); | |
3546 template void write_int (std::ostream&, bool, const octave_int16&); | |
3547 template void write_int (std::ostream&, bool, const octave_uint16&); | |
3548 template void write_int (std::ostream&, bool, const octave_int32&); | |
3549 template void write_int (std::ostream&, bool, const octave_uint32&); | |
3550 template void write_int (std::ostream&, bool, const octave_int64&); | |
3551 template void write_int (std::ostream&, bool, const octave_uint64&); | |
3552 | |
3553 template <class T> | |
3554 static inline bool | |
3555 do_write (std::ostream& os, const T& val, oct_data_conv::data_type output_type, | |
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3556 oct_mach_info::float_format flt_fmt, bool swap, |
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|
3557 bool do_float_conversion) |
4944 | 3558 { |
3559 bool retval = true; | |
3560 | |
3561 // For compatibility, Octave converts to the output type, then | |
3562 // writes. This means that truncation happens on the conversion. | |
3563 // For example, the following program prints 0: | |
3564 // | |
3565 // x = int8 (-1) | |
3566 // f = fopen ("foo.dat", "w"); | |
3567 // fwrite (f, x, "unsigned char"); | |
3568 // fclose (f); | |
3569 // f = fopen ("foo.dat", "r"); | |
3570 // y = fread (f, 1, "unsigned char"); | |
3571 // printf ("%d\n", y); | |
3572 | |
3573 switch (output_type) | |
3574 { | |
3575 case oct_data_conv::dt_char: | |
3576 case oct_data_conv::dt_schar: | |
3577 case oct_data_conv::dt_int8: | |
3578 write_int (os, swap, octave_int8 (val)); | |
3579 break; | |
3580 | |
3581 case oct_data_conv::dt_uchar: | |
3582 case oct_data_conv::dt_uint8: | |
3583 write_int (os, swap, octave_uint8 (val)); | |
3584 break; | |
3585 | |
3586 case oct_data_conv::dt_int16: | |
3587 write_int (os, swap, octave_int16 (val)); | |
3588 break; | |
3589 | |
3590 case oct_data_conv::dt_uint16: | |
3591 write_int (os, swap, octave_uint16 (val)); | |
3592 break; | |
3593 | |
3594 case oct_data_conv::dt_int32: | |
3595 write_int (os, swap, octave_int32 (val)); | |
3596 break; | |
3597 | |
3598 case oct_data_conv::dt_uint32: | |
3599 write_int (os, swap, octave_uint32 (val)); | |
3600 break; | |
3601 | |
3602 case oct_data_conv::dt_int64: | |
3603 write_int (os, swap, octave_int64 (val)); | |
3604 break; | |
3605 | |
3606 case oct_data_conv::dt_uint64: | |
3607 write_int (os, swap, octave_uint64 (val)); | |
3608 break; | |
3609 | |
3610 case oct_data_conv::dt_single: | |
3611 { | |
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3612 float f = static_cast<float> (val); |
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3613 |
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3614 if (do_float_conversion) |
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3615 do_float_format_conversion (&f, 1, flt_fmt); |
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3616 |
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3617 os.write (reinterpret_cast<const char *> (&f), sizeof (float)); |
4944 | 3618 } |
3619 break; | |
3620 | |
3621 case oct_data_conv::dt_double: | |
3622 { | |
10315
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3623 double d = static_cast<double> (val); |
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3624 if (do_float_conversion) |
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3625 do_double_format_conversion (&d, 1, flt_fmt); |
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3626 |
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3627 os.write (reinterpret_cast<const char *> (&d), sizeof (double)); |
4944 | 3628 } |
3629 break; | |
3630 | |
3631 default: | |
3632 retval = false; | |
3633 (*current_liboctave_error_handler) | |
10315
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3634 ("write: invalid type specification"); |
4944 | 3635 break; |
3636 } | |
3637 | |
3638 return retval; | |
3639 } | |
3640 | |
5887 | 3641 template bool |
3642 do_write (std::ostream&, const octave_int8&, oct_data_conv::data_type, | |
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3643 oct_mach_info::float_format, bool, bool); |
5887 | 3644 |
3645 template bool | |
3646 do_write (std::ostream&, const octave_uint8&, oct_data_conv::data_type, | |
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3647 oct_mach_info::float_format, bool, bool); |
5887 | 3648 |
3649 template bool | |
3650 do_write (std::ostream&, const octave_int16&, oct_data_conv::data_type, | |
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|
3651 oct_mach_info::float_format, bool, bool); |
5887 | 3652 |
3653 template bool | |
3654 do_write (std::ostream&, const octave_uint16&, oct_data_conv::data_type, | |
10315
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changeset
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3655 oct_mach_info::float_format, bool, bool); |
5887 | 3656 |
3657 template bool | |
3658 do_write (std::ostream&, const octave_int32&, oct_data_conv::data_type, | |
10315
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changeset
|
3659 oct_mach_info::float_format, bool, bool); |
5887 | 3660 |
3661 template bool | |
3662 do_write (std::ostream&, const octave_uint32&, oct_data_conv::data_type, | |
10315
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changeset
|
3663 oct_mach_info::float_format, bool, bool); |
5887 | 3664 |
3665 template bool | |
3666 do_write (std::ostream&, const octave_int64&, oct_data_conv::data_type, | |
10315
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changeset
|
3667 oct_mach_info::float_format, bool, bool); |
5887 | 3668 |
3669 template bool | |
3670 do_write (std::ostream&, const octave_uint64&, oct_data_conv::data_type, | |
10315
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|
3671 oct_mach_info::float_format, bool, bool); |
5887 | 3672 |
4944 | 3673 template <class T> |
5275 | 3674 octave_idx_type |
3675 octave_stream::write (const Array<T>& data, octave_idx_type block_size, | |
10315
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3676 oct_data_conv::data_type output_type, |
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3677 octave_idx_type skip, oct_mach_info::float_format flt_fmt) |
4944 | 3678 { |
5275 | 3679 octave_idx_type retval = -1; |
4944 | 3680 |
3681 bool status = true; | |
3682 | |
5275 | 3683 octave_idx_type count = 0; |
4944 | 3684 |
3685 const T *d = data.data (); | |
3686 | |
5275 | 3687 octave_idx_type n = data.length (); |
4944 | 3688 |
3689 oct_mach_info::float_format native_flt_fmt | |
3690 = oct_mach_info::float_format (); | |
3691 | |
3692 bool do_float_conversion = (flt_fmt != native_flt_fmt); | |
3693 | |
5775 | 3694 // FIXME -- byte order for Cray? |
4944 | 3695 |
3696 bool swap = false; | |
3697 | |
3698 if (oct_mach_info::words_big_endian ()) | |
3699 swap = (flt_fmt == oct_mach_info::flt_fmt_ieee_little_endian | |
10315
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3700 || flt_fmt == oct_mach_info::flt_fmt_vax_g |
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|
3701 || flt_fmt == oct_mach_info::flt_fmt_vax_g); |
4944 | 3702 else |
3703 swap = (flt_fmt == oct_mach_info::flt_fmt_ieee_big_endian); | |
3704 | |
5275 | 3705 for (octave_idx_type i = 0; i < n; i++) |
4944 | 3706 { |
3707 std::ostream *osp = output_stream (); | |
3708 | |
3709 if (osp) | |
10315
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untabify src C++ source files
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changeset
|
3710 { |
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|
3711 std::ostream& os = *osp; |
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3712 |
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3713 if (skip != 0 && (i % block_size) == 0) |
57a59eae83cc
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|
3714 { |
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3715 // Seek to skip when inside bounds of existing file. |
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3716 // Otherwise, write NUL to skip. |
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|
3717 |
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3718 long orig_pos = tell (); |
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|
3719 |
57a59eae83cc
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|
3720 seek (0, SEEK_END); |
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|
3721 |
57a59eae83cc
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|
3722 long eof_pos = tell (); |
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|
3723 |
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|
3724 // Is it possible for this to fail to return us to the |
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|
3725 // original position? |
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|
3726 seek (orig_pos, SEEK_SET); |
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|
3727 |
57a59eae83cc
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changeset
|
3728 long remaining = eof_pos - orig_pos; |
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untabify src C++ source files
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|
3729 |
57a59eae83cc
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|
3730 if (remaining < skip) |
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|
3731 { |
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|
3732 seek (0, SEEK_END); |
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|
3733 |
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|
3734 // FIXME -- probably should try to write larger |
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|
3735 // blocks... |
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|
3736 |
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changeset
|
3737 unsigned char zero = 0; |
57a59eae83cc
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|
3738 for (octave_idx_type j = 0; j < skip - remaining; j++) |
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|
3739 os.write (reinterpret_cast<const char *> (&zero), 1); |
57a59eae83cc
untabify src C++ source files
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|
3740 } |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3741 else |
57a59eae83cc
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changeset
|
3742 seek (skip, SEEK_CUR); |
57a59eae83cc
untabify src C++ source files
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diff
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|
3743 } |
57a59eae83cc
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|
3744 |
57a59eae83cc
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changeset
|
3745 if (os) |
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|
3746 { |
57a59eae83cc
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|
3747 status = do_write (os, d[i], output_type, flt_fmt, swap, |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
3748 do_float_conversion); |
57a59eae83cc
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|
3749 |
57a59eae83cc
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changeset
|
3750 if (os && status) |
57a59eae83cc
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changeset
|
3751 count++; |
57a59eae83cc
untabify src C++ source files
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|
3752 else |
57a59eae83cc
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changeset
|
3753 break; |
57a59eae83cc
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diff
changeset
|
3754 } |
57a59eae83cc
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changeset
|
3755 else |
57a59eae83cc
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diff
changeset
|
3756 { |
57a59eae83cc
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changeset
|
3757 status = false; |
57a59eae83cc
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changeset
|
3758 break; |
57a59eae83cc
untabify src C++ source files
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changeset
|
3759 } |
57a59eae83cc
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changeset
|
3760 } |
4944 | 3761 else |
10315
57a59eae83cc
untabify src C++ source files
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changeset
|
3762 { |
57a59eae83cc
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changeset
|
3763 status = false; |
57a59eae83cc
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changeset
|
3764 break; |
57a59eae83cc
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changeset
|
3765 } |
4944 | 3766 } |
3767 | |
3768 if (status) | |
3769 retval = count; | |
3770 | |
3771 return retval; | |
3772 } | |
3773 | |
5275 | 3774 template octave_idx_type |
3775 octave_stream::write (const Array<char>&, octave_idx_type, | |
10315
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changeset
|
3776 oct_data_conv::data_type, |
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changeset
|
3777 octave_idx_type, oct_mach_info::float_format); |
5275 | 3778 |
3779 template octave_idx_type | |
3780 octave_stream::write (const Array<bool>&, octave_idx_type, | |
10315
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changeset
|
3781 oct_data_conv::data_type, |
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changeset
|
3782 octave_idx_type, oct_mach_info::float_format); |
5275 | 3783 |
3784 template octave_idx_type | |
3785 octave_stream::write (const Array<double>&, octave_idx_type, | |
10315
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changeset
|
3786 oct_data_conv::data_type, |
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changeset
|
3787 octave_idx_type, oct_mach_info::float_format); |
5275 | 3788 |
3789 template octave_idx_type | |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7724
diff
changeset
|
3790 octave_stream::write (const Array<float>&, octave_idx_type, |
10315
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changeset
|
3791 oct_data_conv::data_type, |
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changeset
|
3792 octave_idx_type, oct_mach_info::float_format); |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7724
diff
changeset
|
3793 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7724
diff
changeset
|
3794 template octave_idx_type |
5275 | 3795 octave_stream::write (const Array<octave_int8>&, octave_idx_type, |
10315
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changeset
|
3796 oct_data_conv::data_type, |
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changeset
|
3797 octave_idx_type, oct_mach_info::float_format); |
5275 | 3798 |
3799 template octave_idx_type | |
3800 octave_stream::write (const Array<octave_uint8>&, octave_idx_type, | |
10315
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changeset
|
3801 oct_data_conv::data_type, |
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changeset
|
3802 octave_idx_type, oct_mach_info::float_format); |
5275 | 3803 |
3804 template octave_idx_type | |
3805 octave_stream::write (const Array<octave_int16>&, octave_idx_type, | |
10315
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|
3806 oct_data_conv::data_type, |
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changeset
|
3807 octave_idx_type, oct_mach_info::float_format); |
5275 | 3808 |
3809 template octave_idx_type | |
3810 octave_stream::write (const Array<octave_uint16>&, octave_idx_type, | |
10315
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changeset
|
3811 oct_data_conv::data_type, |
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changeset
|
3812 octave_idx_type, oct_mach_info::float_format); |
5275 | 3813 |
3814 template octave_idx_type | |
3815 octave_stream::write (const Array<octave_int32>&, octave_idx_type, | |
10315
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changeset
|
3816 oct_data_conv::data_type, |
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changeset
|
3817 octave_idx_type, oct_mach_info::float_format); |
5275 | 3818 |
3819 template octave_idx_type | |
3820 octave_stream::write (const Array<octave_uint32>&, octave_idx_type, | |
10315
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changeset
|
3821 oct_data_conv::data_type, |
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changeset
|
3822 octave_idx_type, oct_mach_info::float_format); |
5275 | 3823 |
3824 template octave_idx_type | |
3825 octave_stream::write (const Array<octave_int64>&, octave_idx_type, | |
10315
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changeset
|
3826 oct_data_conv::data_type, |
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changeset
|
3827 octave_idx_type, oct_mach_info::float_format); |
5275 | 3828 |
3829 template octave_idx_type | |
3830 octave_stream::write (const Array<octave_uint64>&, octave_idx_type, | |
10315
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changeset
|
3831 oct_data_conv::data_type, |
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changeset
|
3832 octave_idx_type, oct_mach_info::float_format); |
4944 | 3833 |
2117 | 3834 octave_value |
3810 | 3835 octave_stream::scanf (const std::string& fmt, const Array<double>& size, |
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changeset
|
3836 octave_idx_type& count, const std::string& who) |
2117 | 3837 { |
3838 octave_value retval; | |
3839 | |
5659 | 3840 if (stream_ok ()) |
4468 | 3841 retval = rep->scanf (fmt, size, count, who); |
2117 | 3842 |
3843 return retval; | |
3844 } | |
3845 | |
5279 | 3846 octave_value |
3847 octave_stream::scanf (const octave_value& fmt, const Array<double>& size, | |
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changeset
|
3848 octave_idx_type& count, const std::string& who) |
5279 | 3849 { |
3850 octave_value retval = Matrix (); | |
3851 | |
3852 if (fmt.is_string ()) | |
3853 { | |
3854 std::string sfmt = fmt.string_value (); | |
3855 | |
3856 if (fmt.is_sq_string ()) | |
10315
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changeset
|
3857 sfmt = do_string_escapes (sfmt); |
5279 | 3858 |
3859 retval = scanf (sfmt, size, count, who); | |
3860 } | |
3861 else | |
3862 { | |
3863 // Note that this is not ::error () ! | |
3864 | |
3865 error (who + ": format must be a string"); | |
3866 } | |
3867 | |
3868 return retval; | |
3869 } | |
3870 | |
2215 | 3871 octave_value_list |
4468 | 3872 octave_stream::oscanf (const std::string& fmt, const std::string& who) |
2215 | 3873 { |
3874 octave_value_list retval; | |
3875 | |
5659 | 3876 if (stream_ok ()) |
4468 | 3877 retval = rep->oscanf (fmt, who); |
2215 | 3878 |
3879 return retval; | |
3880 } | |
3881 | |
5279 | 3882 octave_value_list |
3883 octave_stream::oscanf (const octave_value& fmt, const std::string& who) | |
3884 { | |
3885 octave_value_list retval; | |
3886 | |
3887 if (fmt.is_string ()) | |
3888 { | |
3889 std::string sfmt = fmt.string_value (); | |
3890 | |
3891 if (fmt.is_sq_string ()) | |
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3892 sfmt = do_string_escapes (sfmt); |
5279 | 3893 |
3894 retval = oscanf (sfmt, who); | |
3895 } | |
3896 else | |
3897 { | |
3898 // Note that this is not ::error () ! | |
3899 | |
3900 error (who + ": format must be a string"); | |
3901 } | |
3902 | |
3903 return retval; | |
3904 } | |
3905 | |
2117 | 3906 int |
4468 | 3907 octave_stream::printf (const std::string& fmt, const octave_value_list& args, |
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3908 const std::string& who) |
2117 | 3909 { |
3910 int retval = -1; | |
3911 | |
5659 | 3912 if (stream_ok ()) |
4468 | 3913 retval = rep->printf (fmt, args, who); |
2117 | 3914 |
3915 return retval; | |
3916 } | |
3917 | |
3918 int | |
5279 | 3919 octave_stream::printf (const octave_value& fmt, const octave_value_list& args, |
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3920 const std::string& who) |
5279 | 3921 { |
3922 int retval = 0; | |
3923 | |
3924 if (fmt.is_string ()) | |
3925 { | |
3926 std::string sfmt = fmt.string_value (); | |
3927 | |
3928 if (fmt.is_sq_string ()) | |
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3929 sfmt = do_string_escapes (sfmt); |
5279 | 3930 |
3931 retval = printf (sfmt, args, who); | |
3932 } | |
3933 else | |
3934 { | |
3935 // Note that this is not ::error () ! | |
3936 | |
3937 error (who + ": format must be a string"); | |
3938 } | |
3939 | |
3940 return retval; | |
3941 } | |
3942 | |
3943 int | |
4468 | 3944 octave_stream::puts (const std::string& s, const std::string& who) |
2117 | 3945 { |
3946 int retval = -1; | |
3947 | |
5659 | 3948 if (stream_ok ()) |
4468 | 3949 retval = rep->puts (s, who); |
2117 | 3950 |
3951 return retval; | |
3952 } | |
3953 | |
5775 | 3954 // FIXME -- maybe this should work for string arrays too. |
2117 | 3955 |
3956 int | |
4468 | 3957 octave_stream::puts (const octave_value& tc_s, const std::string& who) |
2117 | 3958 { |
3959 int retval = -1; | |
3960 | |
3961 if (tc_s.is_string ()) | |
3962 { | |
3523 | 3963 std::string s = tc_s.string_value (); |
5279 | 3964 retval = puts (s, who); |
2117 | 3965 } |
3966 else | |
4468 | 3967 { |
3968 // Note that this is not ::error () ! | |
3969 | |
3970 error (who + ": argument must be a string"); | |
3971 } | |
2117 | 3972 |
3973 return retval; | |
3974 } | |
3975 | |
3976 bool | |
3977 octave_stream::eof (void) const | |
3978 { | |
3979 int retval = -1; | |
3980 | |
5659 | 3981 if (stream_ok ()) |
2117 | 3982 retval = rep->eof (); |
3983 | |
3984 return retval; | |
3985 } | |
3986 | |
3536 | 3987 std::string |
2435 | 3988 octave_stream::error (bool clear, int& err_num) |
2117 | 3989 { |
5649 | 3990 std::string retval = "invalid stream object"; |
3991 | |
5659 | 3992 if (stream_ok (false)) |
2435 | 3993 retval = rep->error (clear, err_num); |
2117 | 3994 |
3995 return retval; | |
3996 } | |
3997 | |
3536 | 3998 std::string |
3340 | 3999 octave_stream::name (void) const |
2117 | 4000 { |
3523 | 4001 std::string retval; |
2117 | 4002 |
5659 | 4003 if (stream_ok ()) |
2117 | 4004 retval = rep->name (); |
4005 | |
4006 return retval; | |
4007 } | |
4008 | |
4009 int | |
3340 | 4010 octave_stream::mode (void) const |
2117 | 4011 { |
4012 int retval = 0; | |
4013 | |
5659 | 4014 if (stream_ok ()) |
2117 | 4015 retval = rep->mode (); |
4016 | |
4017 return retval; | |
4018 } | |
4019 | |
2317 | 4020 oct_mach_info::float_format |
3340 | 4021 octave_stream::float_format (void) const |
2117 | 4022 { |
4574 | 4023 oct_mach_info::float_format retval = oct_mach_info::flt_fmt_unknown; |
2317 | 4024 |
5659 | 4025 if (stream_ok ()) |
2317 | 4026 retval = rep->float_format (); |
2117 | 4027 |
4028 return retval; | |
4029 } | |
4030 | |
3536 | 4031 std::string |
2117 | 4032 octave_stream::mode_as_string (int mode) |
4033 { | |
3523 | 4034 std::string retval = "???"; |
3775 | 4035 std::ios::openmode in_mode = static_cast<std::ios::openmode> (mode); |
4036 | |
4037 if (in_mode == std::ios::in) | |
4038 retval = "r"; | |
4039 else if (in_mode == std::ios::out | |
4078 | 4040 || in_mode == (std::ios::out | std::ios::trunc)) |
3775 | 4041 retval = "w"; |
4078 | 4042 else if (in_mode == (std::ios::out | std::ios::app)) |
3775 | 4043 retval = "a"; |
4078 | 4044 else if (in_mode == (std::ios::in | std::ios::out)) |
3775 | 4045 retval = "r+"; |
4078 | 4046 else if (in_mode == (std::ios::in | std::ios::out | std::ios::trunc)) |
3775 | 4047 retval = "w+"; |
4078 | 4048 else if (in_mode == (std::ios::in | std::ios::out | std::ios::ate)) |
3775 | 4049 retval = "a+"; |
4078 | 4050 else if (in_mode == (std::ios::in | std::ios::binary)) |
3775 | 4051 retval = "rb"; |
4078 | 4052 else if (in_mode == (std::ios::out | std::ios::binary) |
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4053 || in_mode == (std::ios::out | std::ios::trunc | std::ios::binary)) |
3775 | 4054 retval = "wb"; |
4078 | 4055 else if (in_mode == (std::ios::out | std::ios::app | std::ios::binary)) |
3775 | 4056 retval = "ab"; |
4078 | 4057 else if (in_mode == (std::ios::in | std::ios::out | std::ios::binary)) |
3775 | 4058 retval = "r+b"; |
4078 | 4059 else if (in_mode == (std::ios::in | std::ios::out | std::ios::trunc |
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4060 | std::ios::binary)) |
3775 | 4061 retval = "w+b"; |
4078 | 4062 else if (in_mode == (std::ios::in | std::ios::out | std::ios::ate |
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4063 | std::ios::binary)) |
3775 | 4064 retval = "a+b"; |
2117 | 4065 |
4066 return retval; | |
4067 } | |
4068 | |
4069 octave_stream_list *octave_stream_list::instance = 0; | |
4070 | |
2926 | 4071 bool |
4072 octave_stream_list::instance_ok (void) | |
4073 { | |
4074 bool retval = true; | |
4075 | |
4076 if (! instance) | |
4077 instance = new octave_stream_list (); | |
4078 | |
4079 if (! instance) | |
4080 { | |
4081 ::error ("unable to create stream list object!"); | |
4082 | |
4083 retval = false; | |
4084 } | |
4085 | |
4086 return retval; | |
4087 } | |
4088 | |
5353 | 4089 int |
6757 | 4090 octave_stream_list::insert (octave_stream& os) |
2926 | 4091 { |
5353 | 4092 return (instance_ok ()) ? instance->do_insert (os) : -1; |
2926 | 4093 } |
4094 | |
3340 | 4095 octave_stream |
3523 | 4096 octave_stream_list::lookup (int fid, const std::string& who) |
2926 | 4097 { |
3341 | 4098 return (instance_ok ()) ? instance->do_lookup (fid, who) : octave_stream (); |
2926 | 4099 } |
4100 | |
3340 | 4101 octave_stream |
3523 | 4102 octave_stream_list::lookup (const octave_value& fid, const std::string& who) |
2926 | 4103 { |
3341 | 4104 return (instance_ok ()) ? instance->do_lookup (fid, who) : octave_stream (); |
2926 | 4105 } |
4106 | |
4107 int | |
3523 | 4108 octave_stream_list::remove (int fid, const std::string& who) |
2926 | 4109 { |
3341 | 4110 return (instance_ok ()) ? instance->do_remove (fid, who) : -1; |
2926 | 4111 } |
4112 | |
4113 int | |
3523 | 4114 octave_stream_list::remove (const octave_value& fid, const std::string& who) |
2926 | 4115 { |
3341 | 4116 return (instance_ok ()) ? instance->do_remove (fid, who) : -1; |
2926 | 4117 } |
4118 | |
4119 void | |
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4120 octave_stream_list::clear (bool flush) |
2926 | 4121 { |
4122 if (instance) | |
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4123 instance->do_clear (flush); |
2926 | 4124 } |
4125 | |
4126 string_vector | |
4127 octave_stream_list::get_info (int fid) | |
4128 { | |
4129 return (instance_ok ()) ? instance->do_get_info (fid) : string_vector (); | |
4130 } | |
4131 | |
4132 string_vector | |
4133 octave_stream_list::get_info (const octave_value& fid) | |
4134 { | |
4135 return (instance_ok ()) ? instance->do_get_info (fid) : string_vector (); | |
4136 } | |
4137 | |
3536 | 4138 std::string |
2926 | 4139 octave_stream_list::list_open_files (void) |
4140 { | |
3523 | 4141 return (instance_ok ()) ? instance->do_list_open_files () : std::string (); |
2926 | 4142 } |
4143 | |
4144 octave_value | |
4145 octave_stream_list::open_file_numbers (void) | |
4146 { | |
4147 return (instance_ok ()) | |
4148 ? instance->do_open_file_numbers () : octave_value (); | |
4149 } | |
4150 | |
4151 int | |
4152 octave_stream_list::get_file_number (const octave_value& fid) | |
4153 { | |
4154 return (instance_ok ()) ? instance->do_get_file_number (fid) : -1; | |
4155 } | |
4156 | |
5353 | 4157 int |
6757 | 4158 octave_stream_list::do_insert (octave_stream& os) |
2117 | 4159 { |
6757 | 4160 // Insert item with key corresponding to file-descriptor. |
4161 | |
4162 int stream_number; | |
4163 | |
4164 if ((stream_number = os.file_number ()) == -1) | |
4165 return stream_number; | |
4166 | |
4167 // Should we test for "(list.find (stream_number) != list.end ()) && | |
4168 // list[stream_number].is_open ()" and respond with "error | |
4169 // ("internal error: ...")"? It should not happen except for some | |
4170 // bug or if the user has opened a stream with an interpreted | |
4171 // command, but closed it directly with a system call in an | |
4172 // oct-file; then the kernel knows the fd is free, but Octave does | |
4173 // not know. If it happens, it should not do harm here to simply | |
4174 // overwrite this entry, although the wrong entry might have done | |
4175 // harm before. | |
4176 | |
4177 if (list.size () < list.max_size ()) | |
4178 list[stream_number] = os; | |
4179 else | |
2117 | 4180 { |
6757 | 4181 stream_number = -1; |
4182 error ("could not create file id"); | |
3340 | 4183 } |
2117 | 4184 |
5353 | 4185 return stream_number; |
6757 | 4186 |
2117 | 4187 } |
4188 | |
3341 | 4189 static void |
3523 | 4190 gripe_invalid_file_id (int fid, const std::string& who) |
3341 | 4191 { |
4192 if (who.empty ()) | |
4193 ::error ("invalid stream number = %d", fid); | |
4194 else | |
4195 ::error ("%s: invalid stream number = %d", who.c_str (), fid); | |
4196 } | |
4197 | |
3340 | 4198 octave_stream |
3523 | 4199 octave_stream_list::do_lookup (int fid, const std::string& who) const |
2117 | 4200 { |
3340 | 4201 octave_stream retval; |
2117 | 4202 |
6757 | 4203 if (fid >= 0) |
4204 { | |
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4205 if (lookup_cache != list.end () && lookup_cache->first == fid) |
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4206 retval = lookup_cache->second; |
6757 | 4207 else |
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4208 { |
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4209 ostrl_map::const_iterator iter = list.find (fid); |
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4210 |
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4211 if (iter != list.end ()) |
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4212 { |
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4213 retval = iter->second; |
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4214 lookup_cache = iter; |
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4215 } |
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4216 else |
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4217 gripe_invalid_file_id (fid, who); |
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4218 } |
6757 | 4219 } |
3341 | 4220 else |
4221 gripe_invalid_file_id (fid, who); | |
2117 | 4222 |
4223 return retval; | |
4224 } | |
4225 | |
3340 | 4226 octave_stream |
3341 | 4227 octave_stream_list::do_lookup (const octave_value& fid, |
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4228 const std::string& who) const |
2117 | 4229 { |
3340 | 4230 octave_stream retval; |
2117 | 4231 |
4232 int i = get_file_number (fid); | |
4233 | |
4234 if (! error_state) | |
3341 | 4235 retval = do_lookup (i, who); |
2117 | 4236 |
4237 return retval; | |
4238 } | |
4239 | |
4240 int | |
3523 | 4241 octave_stream_list::do_remove (int fid, const std::string& who) |
2117 | 4242 { |
4243 int retval = -1; | |
4244 | |
3531 | 4245 // Can't remove stdin (std::cin), stdout (std::cout), or stderr |
4246 // (std::cerr). | |
2117 | 4247 |
6757 | 4248 if (fid > 2) |
2117 | 4249 { |
6757 | 4250 ostrl_map::iterator iter = list.find (fid); |
4251 | |
4252 if (iter != list.end ()) | |
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4253 { |
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4254 octave_stream os = iter->second; |
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4255 list.erase (iter); |
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4256 lookup_cache = list.end (); |
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4257 |
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4258 // FIXME: is this check redundant? |
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4259 if (os.is_valid ()) |
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4260 { |
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4261 os.close (); |
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4262 retval = 0; |
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4263 } |
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4264 else |
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4265 gripe_invalid_file_id (fid, who); |
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4266 } |
3341 | 4267 else |
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4268 gripe_invalid_file_id (fid, who); |
2117 | 4269 } |
3341 | 4270 else |
4271 gripe_invalid_file_id (fid, who); | |
2117 | 4272 |
4273 return retval; | |
4274 } | |
4275 | |
4276 int | |
3523 | 4277 octave_stream_list::do_remove (const octave_value& fid, const std::string& who) |
2117 | 4278 { |
4279 int retval = -1; | |
4280 | |
6054 | 4281 if (fid.is_string () && fid.string_value () == "all") |
4282 { | |
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4283 do_clear (false); |
6054 | 4284 |
4285 retval = 0; | |
4286 } | |
4287 else | |
4288 { | |
4289 int i = get_file_number (fid); | |
4290 | |
4291 if (! error_state) | |
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4292 retval = do_remove (i, who); |
6054 | 4293 } |
2117 | 4294 |
4295 return retval; | |
4296 } | |
4297 | |
4298 void | |
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4299 octave_stream_list::do_clear (bool flush) |
2117 | 4300 { |
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4301 if (flush) |
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4302 { |
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4303 // Do flush stdout and stderr. |
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4304 |
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4305 list[0].flush (); |
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4306 list[1].flush (); |
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4307 } |
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4308 |
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4309 octave_stream saved_os[3]; |
2117 | 4310 // But don't delete them or stdin. |
8902
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4311 for (ostrl_map::iterator iter = list.begin (); iter != list.end (); iter++) |
6757 | 4312 { |
8902
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4313 int fid = iter->first; |
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4314 octave_stream os = iter->second; |
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4315 if (fid < 3) |
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4316 saved_os[fid] = os; |
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4317 else if (os.is_valid ()) |
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4318 os.close (); |
6757 | 4319 } |
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4320 list.clear (); |
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4321 for (int fid = 0; fid < 3; fid++) list[fid] = saved_os[fid]; |
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4322 lookup_cache = list.end (); |
2117 | 4323 } |
4324 | |
4325 string_vector | |
4326 octave_stream_list::do_get_info (int fid) const | |
4327 { | |
4328 string_vector retval; | |
4329 | |
3340 | 4330 octave_stream os = do_lookup (fid); |
2117 | 4331 |
3341 | 4332 if (os.is_valid ()) |
2117 | 4333 { |
4334 retval.resize (3); | |
4335 | |
3340 | 4336 retval(0) = os.name (); |
4337 retval(1) = octave_stream::mode_as_string (os.mode ()); | |
4338 retval(2) = oct_mach_info::float_format_as_string (os.float_format ()); | |
2117 | 4339 } |
4340 else | |
3341 | 4341 ::error ("invalid file id = %d", fid); |
2117 | 4342 |
4343 return retval; | |
4344 } | |
4345 | |
4346 string_vector | |
4347 octave_stream_list::do_get_info (const octave_value& fid) const | |
4348 { | |
4349 string_vector retval; | |
4350 | |
4351 int conv_err = 0; | |
4352 | |
4353 int int_fid = convert_to_valid_int (fid, conv_err); | |
4354 | |
4355 if (! conv_err) | |
4356 retval = do_get_info (int_fid); | |
4357 else | |
2915 | 4358 ::error ("file id must be a file object or integer value"); |
2117 | 4359 |
4360 return retval; | |
4361 } | |
4362 | |
3536 | 4363 std::string |
2117 | 4364 octave_stream_list::do_list_open_files (void) const |
4365 { | |
3523 | 4366 std::string retval; |
2117 | 4367 |
5765 | 4368 std::ostringstream buf; |
2117 | 4369 |
4370 buf << "\n" | |
4371 << " number mode arch name\n" | |
4372 << " ------ ---- ---- ----\n"; | |
4373 | |
6757 | 4374 for (ostrl_map::const_iterator p = list.begin (); p != list.end (); p++) |
2117 | 4375 { |
6757 | 4376 octave_stream os = p->second; |
2117 | 4377 |
4326 | 4378 buf << " " |
10315
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4379 << std::setiosflags (std::ios::right) |
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4380 << std::setw (4) << p->first << " " |
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4381 << std::setiosflags (std::ios::left) |
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4382 << std::setw (3) |
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4383 << octave_stream::mode_as_string (os.mode ()) |
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4384 << " " |
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4385 << std::setw (9) |
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4386 << oct_mach_info::float_format_as_string (os.float_format ()) |
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4387 << " " |
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4388 << os.name () << "\n"; |
2117 | 4389 } |
4390 | |
5765 | 4391 buf << "\n"; |
4392 | |
4393 retval = buf.str (); | |
2117 | 4394 |
4395 return retval; | |
4396 } | |
4397 | |
4398 octave_value | |
4399 octave_stream_list::do_open_file_numbers (void) const | |
4400 { | |
6757 | 4401 Matrix retval (1, list.size (), 0.0); |
2117 | 4402 |
4403 int num_open = 0; | |
4404 | |
6757 | 4405 for (ostrl_map::const_iterator p = list.begin (); p != list.end (); p++) |
2117 | 4406 { |
6757 | 4407 // Skip stdin, stdout, and stderr. |
4408 | |
4409 if (p->first > 2 && p->second) | |
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4410 retval(0,num_open++) = p->first; |
2117 | 4411 } |
4412 | |
4413 retval.resize ((num_open > 0), num_open); | |
4414 | |
4415 return retval; | |
4416 } | |
4417 | |
4418 int | |
2609 | 4419 octave_stream_list::do_get_file_number (const octave_value& fid) const |
2117 | 4420 { |
4421 int retval = -1; | |
4422 | |
4423 if (fid.is_string ()) | |
4424 { | |
3523 | 4425 std::string nm = fid.string_value (); |
2117 | 4426 |
6757 | 4427 for (ostrl_map::const_iterator p = list.begin (); p != list.end (); p++) |
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4428 { |
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4429 // stdin (std::cin), stdout (std::cout), and stderr (std::cerr) |
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4430 // are unnamed. |
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4431 |
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4432 if (p->first > 2) |
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4433 { |
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4434 octave_stream os = p->second; |
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4435 |
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4436 if (os && os.name () == nm) |
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4437 { |
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4438 retval = p->first; |
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4439 break; |
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4440 } |
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4441 } |
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4442 } |
2117 | 4443 } |
4444 else | |
4445 { | |
4446 int conv_err = 0; | |
4447 | |
4448 int int_fid = convert_to_valid_int (fid, conv_err); | |
4449 | |
4450 if (conv_err) | |
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4451 ::error ("file id must be a file object, std::string, or integer value"); |
2117 | 4452 else |
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4453 retval = int_fid; |
2117 | 4454 } |
4455 | |
4456 return retval; | |
4457 } |