Mercurial > hg > octave-nkf
annotate libinterp/corefcn/utils.cc @ 20307:1f9ed81bd173
maint: Fix spelling and grammar mistakes in docs and comments (bug #44878)
* NEWS, io.txi, file-io.cc, jit-ir.h, jit-typeinfo.h, ls-oct-binary.cc:
Fix misspellings of "compatibility" and "compatible".
* bsxfun.cc, file-io.cc, ov-base.h, oct-shlib.h, mesh.m: Fix
misspellings of "overridden".
* emacs.txi, image.txi, graphics.cc, __magick_read__.cc: Replace verb
phrase "allows to" with "allows one to".
author | Rafael Laboissiere <rafael@laboissiere.net> |
---|---|
date | Sun, 19 Apr 2015 06:53:30 -0300 |
parents | 4d0c7fec0a31 |
children | e51473fdb622 |
rev | line source |
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1 | 1 /* |
2 | |
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3 Copyright (C) 1993-2015 John W. Eaton |
11012 | 4 Copyright (C) 2010 VZLU Prague |
1 | 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. | |
1 | 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/>. | |
1 | 21 |
22 */ | |
23 | |
240 | 24 #ifdef HAVE_CONFIG_H |
1192 | 25 #include <config.h> |
1 | 26 #endif |
27 | |
3716 | 28 #include <cerrno> |
1346 | 29 #include <cstring> |
1343 | 30 |
3503 | 31 #include <fstream> |
32 #include <iostream> | |
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33 #include <limits> |
1728 | 34 #include <string> |
35 | |
1 | 36 #include <sys/types.h> |
37 #include <unistd.h> | |
367 | 38 |
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39 #include "vasnprintf.h" |
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40 |
3040 | 41 #include "dir-ops.h" |
42 #include "file-ops.h" | |
2926 | 43 #include "file-stat.h" |
4732 | 44 #include "lo-mappers.h" |
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45 #include "lo-utils.h" |
1651 | 46 #include "oct-cmplx.h" |
2926 | 47 #include "oct-env.h" |
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48 #include "oct-locbuf.h" |
3040 | 49 #include "pathsearch.h" |
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50 #include "quit.h" |
1755 | 51 #include "str-vec.h" |
1651 | 52 |
4216 | 53 #include "Cell.h" |
2492 | 54 #include <defaults.h> |
1352 | 55 #include "defun.h" |
56 #include "dirfns.h" | |
57 #include "error.h" | |
58 #include "gripes.h" | |
59 #include "input.h" | |
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60 #include "lex.h" |
5832 | 61 #include "load-path.h" |
5465 | 62 #include "oct-errno.h" |
1742 | 63 #include "oct-hist.h" |
1750 | 64 #include "oct-obj.h" |
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65 #include "ov-range.h" |
1352 | 66 #include "pager.h" |
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67 #include "parse.h" |
1690 | 68 #include "sysdep.h" |
1750 | 69 #include "toplev.h" |
1 | 70 #include "unwind-prot.h" |
1352 | 71 #include "utils.h" |
72 #include "variables.h" | |
1 | 73 |
4143 | 74 // Return TRUE if S is a valid identifier. |
75 | |
76 bool | |
77 valid_identifier (const char *s) | |
78 { | |
5290 | 79 if (! s || ! (isalpha (*s) || *s == '_' || *s == '$')) |
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80 return false; |
4143 | 81 |
82 while (*++s != '\0') | |
5290 | 83 if (! (isalnum (*s) || *s == '_' || *s == '$')) |
4143 | 84 return false; |
85 | |
86 return true; | |
87 } | |
88 | |
89 bool | |
90 valid_identifier (const std::string& s) | |
91 { | |
92 return valid_identifier (s.c_str ()); | |
93 } | |
94 | |
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95 DEFUN (isvarname, args, , |
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96 "-*- texinfo -*-\n\ |
5040 | 97 @deftypefn {Built-in Function} {} isvarname (@var{name})\n\ |
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98 Return true if @var{name} is a valid variable name.\n\ |
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99 @seealso{iskeyword, exist, who}\n\ |
4264 | 100 @end deftypefn") |
101 { | |
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102 octave_value retval = false; |
4264 | 103 |
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104 int nargin = args.length (); |
4264 | 105 |
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106 if (nargin != 1) |
5823 | 107 print_usage (); |
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108 else if (args(0).is_string ()) |
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109 { |
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110 std::string varname = args(0).string_value (); |
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111 retval = valid_identifier (varname) && ! is_keyword (varname); |
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112 } |
4264 | 113 |
114 return retval; | |
115 } | |
116 | |
13094 | 117 /* |
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118 %!assert (isvarname ("foo"), true) |
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119 %!assert (isvarname ("_foo"), true) |
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120 %!assert (isvarname ("_1"), true) |
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121 %!assert (isvarname ("1foo"), false) |
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122 %!assert (isvarname (""), false) |
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123 %!assert (isvarname (12), false) |
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124 %!assert (isvarname ("foo+bar"), false) |
13094 | 125 |
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126 %!error isvarname () |
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127 %!error isvarname ("foo", "bar"); |
13094 | 128 */ |
129 | |
6323 | 130 // Return TRUE if F and G are both names for the same file. |
131 | |
132 bool | |
133 same_file (const std::string& f, const std::string& g) | |
134 { | |
6598 | 135 return same_file_internal (f, g); |
6323 | 136 } |
137 | |
1 | 138 int |
3523 | 139 almost_match (const std::string& std, const std::string& s, int min_match_len, |
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140 int case_sens) |
1 | 141 { |
1755 | 142 int stdlen = std.length (); |
143 int slen = s.length (); | |
1 | 144 |
145 return (slen <= stdlen | |
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146 && slen >= min_match_len |
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147 && (case_sens |
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148 ? (strncmp (std.c_str (), s.c_str (), slen) == 0) |
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149 : (octave_strncasecmp (std.c_str (), s.c_str (), slen) == 0))); |
287 | 150 } |
151 | |
581 | 152 // Ugh. |
153 | |
287 | 154 int |
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155 keyword_almost_match (const char * const *std, int *min_len, |
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156 const std::string& s, |
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157 int min_toks_to_match, int max_toks) |
287 | 158 { |
159 int status = 0; | |
160 int tok_count = 0; | |
161 int toks_matched = 0; | |
162 | |
1755 | 163 if (s.empty () || max_toks < 1) |
287 | 164 return status; |
165 | |
1755 | 166 char *kw = strsave (s.c_str ()); |
287 | 167 |
168 char *t = kw; | |
169 while (*t != '\0') | |
170 { | |
171 if (*t == '\t') | |
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172 *t = ' '; |
287 | 173 t++; |
174 } | |
175 | |
176 char *beg = kw; | |
177 while (*beg == ' ') | |
178 beg++; | |
179 | |
180 if (*beg == '\0') | |
181 return status; | |
182 | |
183 | |
3072 | 184 const char **to_match = new const char * [max_toks + 1]; |
185 const char * const *s1 = std; | |
186 const char **s2 = to_match; | |
287 | 187 |
526 | 188 if (! s1 || ! s2) |
287 | 189 goto done; |
190 | |
191 s2[tok_count] = beg; | |
192 char *end; | |
526 | 193 while ((end = strchr (beg, ' ')) != 0) |
287 | 194 { |
195 *end = '\0'; | |
196 beg = end + 1; | |
197 | |
198 while (*beg == ' ') | |
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199 beg++; |
287 | 200 |
201 if (*beg == '\0') | |
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202 break; |
287 | 203 |
204 tok_count++; | |
205 if (tok_count >= max_toks) | |
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206 goto done; |
287 | 207 |
208 s2[tok_count] = beg; | |
209 } | |
526 | 210 s2[tok_count+1] = 0; |
287 | 211 |
212 s2 = to_match; | |
213 | |
214 for (;;) | |
215 { | |
216 if (! almost_match (*s1, *s2, min_len[toks_matched], 0)) | |
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217 goto done; |
287 | 218 |
219 toks_matched++; | |
220 | |
221 s1++; | |
222 s2++; | |
223 | |
224 if (! *s2) | |
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225 { |
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226 status = (toks_matched >= min_toks_to_match); |
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227 goto done; |
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228 } |
287 | 229 |
230 if (! *s1) | |
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231 goto done; |
287 | 232 } |
233 | |
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234 done: |
287 | 235 |
236 delete [] kw; | |
237 delete [] to_match; | |
238 | |
239 return status; | |
1 | 240 } |
241 | |
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242 // Return nonzero if either NR or NC is zero. Return -1 if this |
2234 | 243 // should be considered fatal; return 1 if this is ok. |
244 | |
245 int | |
5275 | 246 empty_arg (const char * /* name */, octave_idx_type nr, octave_idx_type nc) |
2234 | 247 { |
4478 | 248 return (nr == 0 || nc == 0); |
2234 | 249 } |
250 | |
581 | 251 // See if the given file is in the path. |
252 | |
3536 | 253 std::string |
4243 | 254 search_path_for_file (const std::string& path, const string_vector& names) |
686 | 255 { |
3174 | 256 dir_path p (path); |
686 | 257 |
10250 | 258 return octave_env::make_absolute (p.find_first_of (names)); |
686 | 259 } |
260 | |
4216 | 261 // Find all locations of the given file in the path. |
262 | |
263 string_vector | |
4243 | 264 search_path_for_all_files (const std::string& path, const string_vector& names) |
4216 | 265 { |
266 dir_path p (path); | |
267 | |
4243 | 268 string_vector sv = p.find_all_first_of (names); |
4216 | 269 |
6379 | 270 octave_idx_type len = sv.length (); |
4216 | 271 |
6379 | 272 for (octave_idx_type i = 0; i < len; i++) |
10250 | 273 sv[i] = octave_env::make_absolute (sv[i]); |
4216 | 274 |
275 return sv; | |
276 } | |
277 | |
278 static string_vector | |
279 make_absolute (const string_vector& sv) | |
280 { | |
6379 | 281 octave_idx_type len = sv.length (); |
282 | |
283 string_vector retval (len); | |
4216 | 284 |
6379 | 285 for (octave_idx_type i = 0; i < len; i++) |
10250 | 286 retval[i] = octave_env::make_absolute (sv[i]); |
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287 |
6379 | 288 return retval; |
4216 | 289 } |
290 | |
3195 | 291 DEFUN (file_in_loadpath, args, , |
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292 "-*- texinfo -*-\n\ |
10840 | 293 @deftypefn {Built-in Function} {} file_in_loadpath (@var{file})\n\ |
4216 | 294 @deftypefnx {Built-in Function} {} file_in_loadpath (@var{file}, \"all\")\n\ |
3195 | 295 \n\ |
5448 | 296 Return the absolute name of @var{file} if it can be found in\n\ |
5814 | 297 the list of directories specified by @code{path}.\n\ |
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298 If no file is found, return an empty character string.\n\ |
4216 | 299 \n\ |
5448 | 300 If the first argument is a cell array of strings, search each\n\ |
4243 | 301 directory of the loadpath for element of the cell array and return\n\ |
302 the first that matches.\n\ | |
303 \n\ | |
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304 If the second optional argument @qcode{\"all\"} is supplied, return\n\ |
4216 | 305 a cell array containing the list of all files that have the same\n\ |
306 name in the path. If no files are found, return an empty cell array.\n\ | |
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307 @seealso{file_in_path, dir_in_loadpath, path}\n\ |
5642 | 308 @end deftypefn") |
3195 | 309 { |
4216 | 310 octave_value retval; |
3195 | 311 |
4243 | 312 int nargin = args.length (); |
3195 | 313 |
4243 | 314 if (nargin == 1 || nargin == 2) |
4216 | 315 { |
4243 | 316 string_vector names = args(0).all_strings (); |
317 | |
318 if (! error_state && names.length () > 0) | |
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319 { |
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320 if (nargin == 1) |
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321 retval = |
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322 octave_env::make_absolute (load_path::find_first_of (names)); |
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323 else if (nargin == 2) |
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324 { |
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325 std::string opt = args(1).string_value (); |
4243 | 326 |
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327 if (! error_state && opt == "all") |
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328 retval = Cell (make_absolute |
10250 | 329 (load_path::find_all_first_of (names))); |
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330 else |
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331 error ("file_in_loadpath: invalid option"); |
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332 } |
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333 } |
4216 | 334 else |
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335 error ("file_in_loadpath: FILE argument must be a string"); |
4216 | 336 } |
3195 | 337 else |
5823 | 338 print_usage (); |
3195 | 339 |
340 return retval; | |
341 } | |
342 | |
13094 | 343 /* |
344 %!test | |
345 %! f = file_in_loadpath ("plot.m"); | |
346 %! assert (ischar (f)); | |
347 %! assert (! isempty (f)); | |
348 | |
349 %!test | |
350 %! f = file_in_loadpath ("$$probably_!!_not_&&_a_!!_file$$"); | |
351 %! assert (f, ""); | |
352 | |
353 %!test | |
354 %! lst = file_in_loadpath ("$$probably_!!_not_&&_a_!!_file$$", "all"); | |
355 %! assert (lst, {}); | |
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356 |
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357 %!error file_in_loadpath () |
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358 %!error file_in_loadpath ("foo", "bar", 1) |
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359 %!error file_in_loadpath ([]) |
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360 %!error file_in_loadpath ("plot.m", "bar") |
13094 | 361 */ |
362 | |
1957 | 363 DEFUN (file_in_path, args, , |
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364 "-*- texinfo -*-\n\ |
10840 | 365 @deftypefn {Built-in Function} {} file_in_path (@var{path}, @var{file})\n\ |
4216 | 366 @deftypefnx {Built-in Function} {} file_in_path (@var{path}, @var{file}, \"all\")\n\ |
5448 | 367 Return the absolute name of @var{file} if it can be found in\n\ |
3301 | 368 @var{path}. The value of @var{path} should be a colon-separated list of\n\ |
5814 | 369 directories in the format described for @code{path}. If no file\n\ |
10840 | 370 is found, return an empty character string. For example:\n\ |
3301 | 371 \n\ |
372 @example\n\ | |
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373 @group\n\ |
5456 | 374 file_in_path (EXEC_PATH, \"sh\")\n\ |
375 @result{} \"/bin/sh\"\n\ | |
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376 @end group\n\ |
3301 | 377 @end example\n\ |
4216 | 378 \n\ |
5448 | 379 If the second argument is a cell array of strings, search each\n\ |
4243 | 380 directory of the path for element of the cell array and return\n\ |
381 the first that matches.\n\ | |
382 \n\ | |
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383 If the third optional argument @qcode{\"all\"} is supplied, return\n\ |
4216 | 384 a cell array containing the list of all files that have the same\n\ |
385 name in the path. If no files are found, return an empty cell array.\n\ | |
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386 @seealso{file_in_loadpath, dir_in_loadpath, path}\n\ |
3301 | 387 @end deftypefn") |
686 | 388 { |
4216 | 389 octave_value retval; |
686 | 390 |
4243 | 391 int nargin = args.length (); |
1755 | 392 |
4243 | 393 if (nargin == 2 || nargin == 3) |
686 | 394 { |
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395 if (args(0).is_string ()) |
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396 { |
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397 std::string path = args(0).string_value (); |
4243 | 398 |
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399 string_vector names = args(1).all_strings (); |
4243 | 400 |
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401 if (! error_state && names.length () > 0) |
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402 { |
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403 if (nargin == 2) |
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404 retval = search_path_for_file (path, names); |
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405 else if (nargin == 3) |
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406 { |
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407 std::string opt = args(2).string_value (); |
4243 | 408 |
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409 if (! error_state && opt == "all") |
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410 retval = Cell (make_absolute |
10250 | 411 (search_path_for_all_files (path, names))); |
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412 else |
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413 error ("file_in_path: invalid option"); |
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414 } |
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415 } |
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416 else |
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417 error ("file_in_path: all arguments must be strings"); |
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418 } |
1755 | 419 else |
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420 error ("file_in_path: PATH must be a string"); |
686 | 421 } |
422 else | |
5823 | 423 print_usage (); |
686 | 424 |
425 return retval; | |
426 } | |
427 | |
13094 | 428 /* |
429 %!test | |
430 %! f = file_in_path (path (), "plot.m"); | |
431 %! assert (ischar (f)); | |
432 %! assert (! isempty (f)); | |
433 | |
434 %!test | |
435 %! f = file_in_path (path (), "$$probably_!!_not_&&_a_!!_file$$"); | |
436 %! assert (f, ""); | |
437 | |
438 %!test | |
439 %! lst = file_in_path (path (), "$$probably_!!_not_&&_a_!!_file$$", "all"); | |
440 %! assert (lst, {}); | |
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441 |
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442 %!error file_in_path () |
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443 %!error file_in_path ("foo") |
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444 %!error file_in_path ("foo", "bar", "baz", 1) |
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445 %!error file_in_path ([]) |
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446 %!error file_in_path (path (), []) |
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447 %!error file_in_path (path (), "plot.m", "bar") |
13094 | 448 */ |
449 | |
3536 | 450 std::string |
3523 | 451 file_in_path (const std::string& name, const std::string& suffix) |
526 | 452 { |
3523 | 453 std::string nm = name; |
526 | 454 |
1755 | 455 if (! suffix.empty ()) |
456 nm.append (suffix); | |
686 | 457 |
10250 | 458 return octave_env::make_absolute (load_path::find_file (nm)); |
526 | 459 } |
460 | |
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461 std::string |
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462 find_data_file_in_load_path (const std::string& fcn, |
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463 const std::string& file, |
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464 bool require_regular_file) |
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465 { |
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466 std::string fname = file; |
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467 |
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468 if (! (octave_env::absolute_pathname (fname) |
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469 || octave_env::rooted_relative_pathname (fname))) |
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470 { |
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471 // Load path will also search "." first, but we don't want to |
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472 // issue a warning if the file is found in the current directory, |
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473 // so do an explicit check for that. |
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474 |
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475 file_stat fs (fname); |
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476 |
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477 bool local_file_ok |
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478 = fs.exists () && (fs.is_reg () || ! require_regular_file); |
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479 |
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480 if (! local_file_ok) |
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481 { |
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482 // Not directly found; search load path. |
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483 |
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484 std::string tmp |
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485 = octave_env::make_absolute (load_path::find_file (fname)); |
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486 |
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487 if (! tmp.empty ()) |
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488 { |
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489 gripe_data_file_in_path (fcn, tmp); |
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490 |
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491 fname = tmp; |
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492 } |
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493 } |
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494 } |
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495 |
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496 return fname; |
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497 } |
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498 |
581 | 499 // See if there is an function file in the path. If so, return the |
500 // full path to the file. | |
501 | |
3536 | 502 std::string |
3523 | 503 fcn_file_in_path (const std::string& name) |
526 | 504 { |
3523 | 505 std::string retval; |
908 | 506 |
1755 | 507 int len = name.length (); |
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508 |
1755 | 509 if (len > 0) |
510 { | |
5832 | 511 if (octave_env::absolute_pathname (name)) |
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512 { |
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513 file_stat fs (name); |
5832 | 514 |
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515 if (fs.exists () && ! fs.is_dir ()) |
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516 retval = name; |
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517 } |
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518 else if (len > 2 && name[len - 2] == '.' && name[len - 1] == 'm') |
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519 retval = load_path::find_fcn_file (name.substr (0, len-2)); |
908 | 520 else |
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521 { |
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522 std::string fname = name; |
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523 size_t pos = name.find_first_of (Vfilemarker); |
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524 if (pos != std::string::npos) |
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525 fname = name.substr (0, pos); |
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526 |
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527 retval = load_path::find_fcn_file (fname); |
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528 } |
908 | 529 } |
1755 | 530 |
531 return retval; | |
526 | 532 } |
533 | |
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534 // See if there is a directory called "name" in the path and if it |
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535 // contains a Contents.m file return the full path to this file. |
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536 |
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537 std::string |
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538 contents_file_in_path (const std::string& dir) |
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539 { |
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540 std::string retval; |
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541 |
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542 if (dir.length () > 0) |
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543 { |
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544 std::string tcontents = file_ops::concat (load_path::find_dir (dir), |
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545 std::string ("Contents.m")); |
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546 |
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547 file_stat fs (tcontents); |
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548 |
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549 if (fs.exists ()) |
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550 retval = octave_env::make_absolute (tcontents); |
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551 } |
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552 |
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553 return retval; |
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554 } |
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555 |
5864 | 556 // See if there is a .oct file in the path. If so, return the |
581 | 557 // full path to the file. |
558 | |
3536 | 559 std::string |
3523 | 560 oct_file_in_path (const std::string& name) |
572 | 561 { |
3523 | 562 std::string retval; |
908 | 563 |
1755 | 564 int len = name.length (); |
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565 |
1755 | 566 if (len > 0) |
567 { | |
5832 | 568 if (octave_env::absolute_pathname (name)) |
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569 { |
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570 file_stat fs (name); |
5832 | 571 |
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572 if (fs.exists ()) |
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573 retval = name; |
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574 } |
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575 else if (len > 4 && name[len - 4] == '.' && name[len - 3] == 'o' |
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576 && name[len - 2] == 'c' && name[len - 1] == 't') |
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577 retval = load_path::find_oct_file (name.substr (0, len-4)); |
908 | 578 else |
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579 retval = load_path::find_oct_file (name); |
908 | 580 } |
1755 | 581 |
582 return retval; | |
572 | 583 } |
584 | |
5864 | 585 // See if there is a .mex file in the path. If so, return the |
586 // full path to the file. | |
587 | |
588 std::string | |
589 mex_file_in_path (const std::string& name) | |
590 { | |
591 std::string retval; | |
592 | |
593 int len = name.length (); | |
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594 |
5864 | 595 if (len > 0) |
596 { | |
597 if (octave_env::absolute_pathname (name)) | |
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598 { |
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599 file_stat fs (name); |
5864 | 600 |
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601 if (fs.exists ()) |
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602 retval = name; |
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603 } |
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604 else if (len > 4 && name[len - 4] == '.' && name[len - 3] == 'm' |
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605 && name[len - 2] == 'e' && name[len - 1] == 'x') |
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606 retval = load_path::find_mex_file (name.substr (0, len-4)); |
5864 | 607 else |
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608 retval = load_path::find_mex_file (name); |
5864 | 609 } |
610 | |
611 return retval; | |
612 } | |
613 | |
3103 | 614 // Replace backslash escapes in a string with the real values. |
615 | |
3536 | 616 std::string |
3523 | 617 do_string_escapes (const std::string& s) |
3103 | 618 { |
3523 | 619 std::string retval; |
3103 | 620 |
621 size_t i = 0; | |
622 size_t j = 0; | |
623 size_t len = s.length (); | |
624 | |
625 retval.resize (len); | |
626 | |
627 while (j < len) | |
628 { | |
629 if (s[j] == '\\' && j+1 < len) | |
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630 { |
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631 switch (s[++j]) |
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632 { |
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633 case '0': |
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634 retval[i] = '\0'; |
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635 break; |
3893 | 636 |
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637 case 'a': |
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638 retval[i] = '\a'; |
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639 break; |
3103 | 640 |
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641 case 'b': // backspace |
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642 retval[i] = '\b'; |
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643 break; |
3103 | 644 |
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645 case 'f': // formfeed |
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646 retval[i] = '\f'; |
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647 break; |
3103 | 648 |
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649 case 'n': // newline |
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650 retval[i] = '\n'; |
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651 break; |
3103 | 652 |
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653 case 'r': // carriage return |
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654 retval[i] = '\r'; |
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655 break; |
3103 | 656 |
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657 case 't': // horizontal tab |
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658 retval[i] = '\t'; |
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659 break; |
3103 | 660 |
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661 case 'v': // vertical tab |
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662 retval[i] = '\v'; |
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663 break; |
3103 | 664 |
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665 case '\\': // backslash |
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666 retval[i] = '\\'; |
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667 break; |
3103 | 668 |
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669 case '\'': // quote |
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670 retval[i] = '\''; |
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671 break; |
3103 | 672 |
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673 case '"': // double quote |
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674 retval[i] = '"'; |
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675 break; |
3103 | 676 |
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677 default: |
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678 warning ("unrecognized escape sequence '\\%c' --\ |
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679 converting to '%c'", s[j], s[j]); |
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680 retval[i] = s[j]; |
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681 break; |
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682 } |
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683 } |
3103 | 684 else |
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685 { |
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686 retval[i] = s[j]; |
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687 } |
3103 | 688 |
689 i++; | |
690 j++; | |
691 } | |
692 | |
3105 | 693 retval.resize (i); |
3103 | 694 |
695 return retval; | |
696 } | |
697 | |
698 DEFUN (do_string_escapes, args, , | |
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699 "-*- texinfo -*-\n\ |
3446 | 700 @deftypefn {Built-in Function} {} do_string_escapes (@var{string})\n\ |
701 Convert special characters in @var{string} to their escaped forms.\n\ | |
702 @end deftypefn") | |
3103 | 703 { |
704 octave_value retval; | |
705 | |
706 int nargin = args.length (); | |
707 | |
708 if (nargin == 1) | |
709 { | |
710 if (args(0).is_string ()) | |
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711 retval = do_string_escapes (args(0).string_value ()); |
3103 | 712 else |
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713 error ("do_string_escapes: STRING argument must be of type string"); |
3103 | 714 } |
715 else | |
5823 | 716 print_usage (); |
3103 | 717 |
718 return retval; | |
719 } | |
720 | |
13094 | 721 /* |
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722 %!assert (do_string_escapes ('foo\nbar'), "foo\nbar") |
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723 %!assert (do_string_escapes ("foo\\nbar"), "foo\nbar") |
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724 %!assert (do_string_escapes ("foo\\nbar"), ["foo", char(10), "bar"]) |
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725 %!assert ("foo\nbar", ["foo", char(10), "bar"]) |
13094 | 726 |
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727 %!assert (do_string_escapes ('\0\a\b\f\n\r\t\v'), "\0\a\b\f\n\r\t\v") |
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728 %!assert (do_string_escapes ("\\0\\a\\b\\f\\n\\r\\t\\v"), "\0\a\b\f\n\r\t\v") |
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729 %!assert (do_string_escapes ("\\0\\a\\b\\f\\n\\r\\t\\v"), |
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730 %! char ([0, 7, 8, 12, 10, 13, 9, 11])) |
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731 %!assert ("\0\a\b\f\n\r\t\v", char ([0, 7, 8, 12, 10, 13, 9, 11])) |
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732 |
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733 %!assert (do_string_escapes ('\\'), "\\") |
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734 %!assert (do_string_escapes ("\\\\"), "\\") |
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735 %!assert (do_string_escapes ("\\\\"), char (92)) |
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736 |
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737 %!assert (do_string_escapes ('\''single-quoted\'''), "'single-quoted'") |
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738 %!assert (do_string_escapes ("\\'single-quoted\\'"), "'single-quoted'") |
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739 %!assert (do_string_escapes ('\"double-quoted\"'), "\"double-quoted\"") |
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740 %!assert (do_string_escapes ("\\\"double-quoted\\\""), "\"double-quoted\"") |
13094 | 741 |
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742 %!error do_string_escapes () |
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743 %!error do_string_escapes ("foo", "bar") |
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744 %!error do_string_escapes (3) |
13094 | 745 */ |
746 | |
1755 | 747 const char * |
801 | 748 undo_string_escape (char c) |
749 { | |
750 if (! c) | |
1755 | 751 return ""; |
801 | 752 |
753 switch (c) | |
754 { | |
3893 | 755 case '\0': |
756 return "\\0"; | |
757 | |
801 | 758 case '\a': |
759 return "\\a"; | |
760 | |
761 case '\b': // backspace | |
762 return "\\b"; | |
763 | |
764 case '\f': // formfeed | |
765 return "\\f"; | |
766 | |
767 case '\n': // newline | |
768 return "\\n"; | |
769 | |
770 case '\r': // carriage return | |
771 return "\\r"; | |
772 | |
773 case '\t': // horizontal tab | |
774 return "\\t"; | |
775 | |
776 case '\v': // vertical tab | |
777 return "\\v"; | |
778 | |
779 case '\\': // backslash | |
780 return "\\\\"; | |
781 | |
782 case '"': // double quote | |
783 return "\\\""; | |
784 | |
785 default: | |
1755 | 786 { |
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787 static char retval[2]; |
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788 retval[0] = c; |
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789 retval[1] = '\0'; |
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790 return retval; |
1755 | 791 } |
801 | 792 } |
793 } | |
794 | |
3536 | 795 std::string |
3523 | 796 undo_string_escapes (const std::string& s) |
801 | 797 { |
3523 | 798 std::string retval; |
801 | 799 |
1755 | 800 for (size_t i = 0; i < s.length (); i++) |
801 retval.append (undo_string_escape (s[i])); | |
801 | 802 |
1755 | 803 return retval; |
801 | 804 } |
805 | |
1957 | 806 DEFUN (undo_string_escapes, args, , |
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807 "-*- texinfo -*-\n\ |
3361 | 808 @deftypefn {Built-in Function} {} undo_string_escapes (@var{s})\n\ |
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809 Convert special characters in strings back to their escaped forms. For\n\ |
3361 | 810 example, the expression\n\ |
811 \n\ | |
812 @example\n\ | |
813 bell = \"\\a\";\n\ | |
814 @end example\n\ | |
815 \n\ | |
816 @noindent\n\ | |
817 assigns the value of the alert character (control-g, ASCII code 7) to\n\ | |
818 the string variable @code{bell}. If this string is printed, the\n\ | |
819 system will ring the terminal bell (if it is possible). This is\n\ | |
820 normally the desired outcome. However, sometimes it is useful to be\n\ | |
821 able to print the original representation of the string, with the\n\ | |
822 special characters replaced by their escape sequences. For example,\n\ | |
823 \n\ | |
824 @example\n\ | |
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825 @group\n\ |
3361 | 826 octave:13> undo_string_escapes (bell)\n\ |
827 ans = \\a\n\ | |
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828 @end group\n\ |
3361 | 829 @end example\n\ |
830 \n\ | |
831 @noindent\n\ | |
832 replaces the unprintable alert character with its printable\n\ | |
833 representation.\n\ | |
834 @end deftypefn") | |
801 | 835 { |
2086 | 836 octave_value retval; |
801 | 837 |
838 int nargin = args.length (); | |
839 | |
3103 | 840 if (nargin == 1) |
841 { | |
842 if (args(0).is_string ()) | |
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843 retval = undo_string_escapes (args(0).string_value ()); |
3103 | 844 else |
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845 error ("undo_string_escapes: S argument must be a string"); |
3103 | 846 } |
801 | 847 else |
5823 | 848 print_usage (); |
801 | 849 |
850 return retval; | |
851 } | |
852 | |
13094 | 853 /* |
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854 %!assert (undo_string_escapes ("foo\nbar"), 'foo\nbar') |
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855 %!assert (undo_string_escapes ("foo\nbar"), "foo\\nbar") |
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856 %!assert (undo_string_escapes (["foo", char(10), "bar"]), "foo\\nbar") |
13094 | 857 |
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858 %!assert (undo_string_escapes ("\a\b\f\n\r\t\v"), '\a\b\f\n\r\t\v') |
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859 %!assert (undo_string_escapes ("\a\b\f\n\r\t\v"), "\\a\\b\\f\\n\\r\\t\\v") |
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860 %!assert (undo_string_escapes (char ([7, 8, 12, 10, 13, 9, 11])), |
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861 %! "\\a\\b\\f\\n\\r\\t\\v") |
13094 | 862 |
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863 %!assert (undo_string_escapes ("\\"), '\\') |
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864 %!assert (undo_string_escapes ("\\"), "\\\\") |
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865 %!assert (undo_string_escapes (char (92)), "\\\\") |
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866 |
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867 %!assert (undo_string_escapes ("\"double-quoted\""), '\"double-quoted\"') |
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868 %!assert (undo_string_escapes ("\"double-quoted\""), "\\\"double-quoted\\\"") |
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869 |
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870 %!error undo_string_escapes () |
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871 %!error undo_string_escapes ("foo", "bar") |
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872 %!error undo_string_escapes (3) |
13094 | 873 */ |
874 | |
8229 | 875 DEFUN (is_absolute_filename, args, , |
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876 "-*- texinfo -*-\n\ |
8229 | 877 @deftypefn {Built-in Function} {} is_absolute_filename (@var{file})\n\ |
878 Return true if @var{file} is an absolute filename.\n\ | |
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879 @seealso{is_rooted_relative_filename, make_absolute_filename, isdir}\n\ |
8229 | 880 @end deftypefn") |
881 { | |
882 octave_value retval = false; | |
883 | |
884 if (args.length () == 1) | |
885 retval = (args(0).is_string () | |
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886 && octave_env::absolute_pathname (args(0).string_value ())); |
8229 | 887 else |
888 print_usage (); | |
889 | |
890 return retval; | |
891 } | |
892 | |
13094 | 893 /* |
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894 ## FIXME: We need system-dependent tests here. |
13094 | 895 |
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896 %!error is_absolute_filename () |
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897 %!error is_absolute_filename ("foo", "bar") |
13094 | 898 */ |
899 | |
8229 | 900 DEFUN (is_rooted_relative_filename, args, , |
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901 "-*- texinfo -*-\n\ |
8229 | 902 @deftypefn {Built-in Function} {} is_rooted_relative_filename (@var{file})\n\ |
903 Return true if @var{file} is a rooted-relative filename.\n\ | |
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904 @seealso{is_absolute_filename, make_absolute_filename, isdir}\n\ |
8229 | 905 @end deftypefn") |
906 { | |
907 octave_value retval = false; | |
908 | |
909 if (args.length () == 1) | |
910 retval = (args(0).is_string () | |
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911 && octave_env::rooted_relative_pathname (args(0).string_value ())); |
8229 | 912 else |
913 print_usage (); | |
914 | |
915 return retval; | |
916 } | |
917 | |
13094 | 918 /* |
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919 ## FIXME: We need system-dependent tests here. |
13094 | 920 |
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921 %!error is_rooted_relative_filename () |
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922 %!error is_rooted_relative_filename ("foo", "bar") |
13094 | 923 */ |
924 | |
8229 | 925 DEFUN (make_absolute_filename, args, , |
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926 "-*- texinfo -*-\n\ |
8229 | 927 @deftypefn {Built-in Function} {} make_absolute_filename (@var{file})\n\ |
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928 Return the full name of @var{file} beginning from the root of the file\n\ |
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929 system. No check is done for the existence of @var{file}.\n\ |
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930 @seealso{canonicalize_file_name, is_absolute_filename, is_rooted_relative_filename, isdir}\n\ |
8229 | 931 @end deftypefn") |
932 { | |
933 octave_value retval = std::string (); | |
934 | |
935 if (args.length () == 1) | |
936 { | |
937 std::string nm = args(0).string_value (); | |
938 | |
939 if (! error_state) | |
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940 retval = octave_env::make_absolute (nm); |
8229 | 941 else |
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942 error ("make_absolute_filename: FILE argument must be a file name"); |
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943 } |
8229 | 944 else |
945 print_usage (); | |
946 | |
947 return retval; | |
948 } | |
949 | |
13094 | 950 /* |
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951 ## FIXME: We need system-dependent tests here. |
13094 | 952 |
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953 %!error make_absolute_filename () |
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954 %!error make_absolute_filename ("foo", "bar") |
13094 | 955 */ |
956 | |
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957 DEFUN (dir_in_loadpath, args, , |
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958 "-*- texinfo -*-\n\ |
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959 @deftypefn {Built-in Function} {} dir_in_loadpath (@var{dir})\n\ |
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960 @deftypefnx {Built-in Function} {} dir_in_loadpath (@var{dir}, \"all\")\n\ |
8229 | 961 Return the full name of the path element matching @var{dir}. The\n\ |
962 match is performed at the end of each path element. For example, if\n\ | |
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963 @var{dir} is @qcode{\"foo/bar\"}, it matches the path element\n\ |
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964 @nospell{@qcode{\"/some/dir/foo/bar\"}}, but not\n\ |
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965 @nospell{@qcode{\"/some/dir/foo/bar/baz\"}}\n\ |
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966 @nospell{@qcode{\"/some/dir/allfoo/bar\"}}.\n\ |
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967 \n\ |
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968 The second argument is optional. If it is supplied, return a cell array\n\ |
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969 containing all name matches rather than just the first.\n\ |
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970 @seealso{file_in_path, file_in_loadpath, path}\n\ |
8229 | 971 @end deftypefn") |
972 { | |
973 octave_value retval = std::string (); | |
974 | |
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975 int nargin = args.length (); |
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976 |
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977 std::string dir; |
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978 |
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979 if (nargin == 1 || nargin == 2) |
8229 | 980 { |
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981 dir = args(0).string_value (); |
8229 | 982 |
983 if (! error_state) | |
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984 { |
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985 if (nargin == 1) |
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986 retval = load_path::find_dir (dir); |
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987 else if (nargin == 2) |
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988 retval = Cell (load_path::find_matching_dirs (dir)); |
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989 } |
8229 | 990 else |
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991 error ("dir_in_loadpath: DIR must be a directory name"); |
8229 | 992 } |
993 else | |
994 print_usage (); | |
995 | |
996 return retval; | |
997 } | |
998 | |
13094 | 999 /* |
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1000 %!test |
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1001 %! f = dir_in_loadpath ("plot"); |
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1002 %! assert (ischar (f)); |
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1003 %! assert (! isempty (f)); |
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1004 |
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1005 %!test |
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1006 %! f = dir_in_loadpath ("$$probably_!!_not_&&_a_!!_dir$$"); |
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1007 %! assert (f, ""); |
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1008 |
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1009 %!test |
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1010 %! lst = dir_in_loadpath ("$$probably_!!_not_&&_a_!!_dir$$", "all"); |
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1011 %! assert (lst, {}); |
13094 | 1012 |
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1013 %!error dir_in_loadpath () |
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1014 %!error dir_in_loadpath ("foo", "bar", 1) |
13094 | 1015 */ |
1016 | |
5465 | 1017 DEFUNX ("errno", Ferrno, args, , |
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1018 "-*- texinfo -*-\n\ |
10840 | 1019 @deftypefn {Built-in Function} {@var{err} =} errno ()\n\ |
5465 | 1020 @deftypefnx {Built-in Function} {@var{err} =} errno (@var{val})\n\ |
1021 @deftypefnx {Built-in Function} {@var{err} =} errno (@var{name})\n\ | |
1022 Return the current value of the system-dependent variable errno,\n\ | |
1023 set its value to @var{val} and return the previous value, or return\n\ | |
1024 the named error code given @var{name} as a character string, or -1\n\ | |
1025 if @var{name} is not found.\n\ | |
3716 | 1026 @end deftypefn") |
1027 { | |
1028 octave_value retval; | |
1029 | |
5465 | 1030 int nargin = args.length (); |
1031 | |
1032 if (nargin == 1) | |
1033 { | |
1034 if (args(0).is_string ()) | |
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1035 { |
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1036 std::string nm = args(0).string_value (); |
5465 | 1037 |
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1038 retval = octave_errno::lookup (nm); |
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1039 } |
5465 | 1040 else |
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1041 { |
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1042 int val = args(0).int_value (); |
5465 | 1043 |
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1044 if (! error_state) |
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1045 retval = octave_errno::set (val); |
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1046 else |
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1047 error ("errno: argument must be string or integer"); |
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1048 } |
5465 | 1049 } |
1050 else if (nargin == 0) | |
1051 retval = octave_errno::get (); | |
3716 | 1052 else |
5823 | 1053 print_usage (); |
3716 | 1054 |
1055 return retval; | |
1056 } | |
1057 | |
13094 | 1058 /* |
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1059 %!assert (isnumeric (errno ())) |
13094 | 1060 |
1061 %!test | |
1062 %! lst = errno_list (); | |
1063 %! fns = fieldnames (lst); | |
1064 %! oldval = errno (fns{1}); | |
1065 %! assert (isnumeric (oldval)); | |
1066 %! errno (oldval); | |
1067 %! newval = errno (); | |
1068 %! assert (oldval, newval); | |
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1069 |
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1070 %!error errno ("foo", 1) |
13094 | 1071 */ |
1072 | |
5465 | 1073 DEFUN (errno_list, args, , |
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1074 "-*- texinfo -*-\n\ |
5465 | 1075 @deftypefn {Built-in Function} {} errno_list ()\n\ |
1076 Return a structure containing the system-dependent errno values.\n\ | |
1077 @end deftypefn") | |
1078 { | |
1079 octave_value retval; | |
1080 | |
1081 if (args.length () == 0) | |
1082 retval = octave_errno::list (); | |
1083 else | |
5823 | 1084 print_usage (); |
5465 | 1085 |
1086 return retval; | |
1087 } | |
3716 | 1088 |
13094 | 1089 /* |
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1090 %!assert (isstruct (errno_list ())) |
13094 | 1091 |
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1092 %!error errno_list ("foo") |
13094 | 1093 */ |
1094 | |
2285 | 1095 static void |
5275 | 1096 check_dimensions (octave_idx_type& nr, octave_idx_type& nc, const char *warnfor) |
3354 | 1097 { |
1098 if (nr < 0 || nc < 0) | |
1099 { | |
5781 | 1100 warning_with_id ("Octave:neg-dim-as-zero", |
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1101 "%s: converting negative dimension to zero", warnfor); |
3354 | 1102 |
4457 | 1103 nr = (nr < 0) ? 0 : nr; |
1104 nc = (nc < 0) ? 0 : nc; | |
3354 | 1105 } |
1106 } | |
1107 | |
1108 void | |
4513 | 1109 check_dimensions (dim_vector& dim, const char *warnfor) |
4481 | 1110 { |
1111 bool neg = false; | |
1112 | |
1113 for (int i = 0; i < dim.length (); i++) | |
1114 { | |
1115 if (dim(i) < 0) | |
1116 { | |
1117 dim(i) = 0; | |
1118 neg = true; | |
1119 } | |
1120 } | |
1121 | |
5781 | 1122 if (neg) |
1123 warning_with_id ("Octave:neg-dim-as-zero", | |
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1124 "%s: converting negative dimension to zero", warnfor); |
4481 | 1125 } |
1126 | |
1127 | |
1128 void | |
1129 get_dimensions (const octave_value& a, const char *warn_for, | |
4513 | 1130 dim_vector& dim) |
4481 | 1131 { |
1132 if (a.is_scalar_type ()) | |
1133 { | |
1134 dim.resize (2); | |
4732 | 1135 dim(0) = a.int_value (); |
4481 | 1136 dim(1) = dim(0); |
1137 } | |
1138 else | |
1139 { | |
5275 | 1140 octave_idx_type nr = a.rows (); |
1141 octave_idx_type nc = a.columns (); | |
4481 | 1142 |
1143 if (nr == 1 || nc == 1) | |
1144 { | |
1145 Array<double> v = a.vector_value (); | |
1146 | |
1147 if (error_state) | |
1148 return; | |
1149 | |
5275 | 1150 octave_idx_type n = v.length (); |
4481 | 1151 dim.resize (n); |
5275 | 1152 for (octave_idx_type i = 0; i < n; i++) |
4783 | 1153 dim(i) = static_cast<int> (fix (v(i))); |
4481 | 1154 } |
1155 else | |
5257 | 1156 error ("%s (A): use %s (size (A)) instead", warn_for, warn_for); |
4481 | 1157 } |
1158 | |
5258 | 1159 if (! error_state) |
1160 check_dimensions (dim, warn_for); // May set error_state. | |
4481 | 1161 } |
1162 | |
1163 | |
1164 void | |
3354 | 1165 get_dimensions (const octave_value& a, const char *warn_for, |
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1166 octave_idx_type& nr, octave_idx_type& nc) |
3354 | 1167 { |
1168 if (a.is_scalar_type ()) | |
1169 { | |
4732 | 1170 nr = nc = a.int_value (); |
3354 | 1171 } |
1172 else | |
1173 { | |
1174 nr = a.rows (); | |
1175 nc = a.columns (); | |
1176 | |
1177 if ((nr == 1 && nc == 2) || (nr == 2 && nc == 1)) | |
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1178 { |
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1179 Array<double> v = a.vector_value (); |
3354 | 1180 |
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1181 if (error_state) |
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1182 return; |
3354 | 1183 |
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1184 nr = static_cast<octave_idx_type> (fix (v (0))); |
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1185 nc = static_cast<octave_idx_type> (fix (v (1))); |
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1186 } |
3354 | 1187 else |
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1188 error ("%s (A): use %s (size (A)) instead", warn_for, warn_for); |
3354 | 1189 } |
1190 | |
5258 | 1191 if (! error_state) |
1192 check_dimensions (nr, nc, warn_for); // May set error_state. | |
3354 | 1193 } |
1194 | |
1195 void | |
1196 get_dimensions (const octave_value& a, const octave_value& b, | |
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1197 const char *warn_for, octave_idx_type& nr, octave_idx_type& nc) |
3354 | 1198 { |
4732 | 1199 nr = a.is_empty () ? 0 : a.int_value (); |
1200 nc = b.is_empty () ? 0 : b.int_value (); | |
3354 | 1201 |
1202 if (error_state) | |
1203 error ("%s: expecting two scalar arguments", warn_for); | |
1204 else | |
1205 check_dimensions (nr, nc, warn_for); // May set error_state. | |
1206 } | |
1207 | |
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1208 octave_idx_type |
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1209 dims_to_numel (const dim_vector& dims, const octave_value_list& idx) |
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1210 { |
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1211 octave_idx_type retval; |
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1212 |
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1213 octave_idx_type len = idx.length (); |
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1214 |
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1215 if (len == 0) |
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1216 retval = dims.numel (); |
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1217 else |
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1218 { |
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1219 const dim_vector dv = dims.redim (len); |
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1220 retval = 1; |
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1221 for (octave_idx_type i = 0; i < len; i++) |
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1222 { |
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1223 octave_value idxi = idx(i); |
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1224 if (idxi.is_magic_colon ()) |
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1225 retval *= dv(i); |
9842
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1226 else if (idxi.is_numeric_type ()) |
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1227 retval *= idxi.numel (); |
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1228 else |
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1229 { |
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1230 idx_vector jdx = idxi.index_vector (); |
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1231 if (error_state) |
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1232 break; |
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1233 retval *= jdx.length (dv(i)); |
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1234 } |
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1235 } |
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1236 } |
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1237 |
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1238 return retval; |
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1239 } |
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1240 |
4478 | 1241 Matrix |
5275 | 1242 identity_matrix (octave_idx_type nr, octave_idx_type nc) |
4478 | 1243 { |
1244 Matrix m (nr, nc, 0.0); | |
1245 | |
1246 if (nr > 0 && nc > 0) | |
1247 { | |
5275 | 1248 octave_idx_type n = std::min (nr, nc); |
4478 | 1249 |
5275 | 1250 for (octave_idx_type i = 0; i < n; i++) |
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1251 m (i, i) = 1.0; |
4478 | 1252 } |
1253 | |
1254 return m; | |
1255 } | |
1256 | |
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1257 FloatMatrix |
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1258 float_identity_matrix (octave_idx_type nr, octave_idx_type nc) |
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1259 { |
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1260 FloatMatrix m (nr, nc, 0.0); |
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1261 |
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1262 if (nr > 0 && nc > 0) |
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1263 { |
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First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7481
diff
changeset
|
1264 octave_idx_type n = std::min (nr, nc); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7481
diff
changeset
|
1265 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7481
diff
changeset
|
1266 for (octave_idx_type i = 0; i < n; i++) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10257
diff
changeset
|
1267 m (i, i) = 1.0; |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1268 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7481
diff
changeset
|
1269 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7481
diff
changeset
|
1270 return m; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7481
diff
changeset
|
1271 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7481
diff
changeset
|
1272 |
13991
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1273 size_t |
3622 | 1274 octave_format (std::ostream& os, const char *fmt, ...) |
3620 | 1275 { |
13991
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1276 size_t retval; |
3620 | 1277 |
1278 va_list args; | |
1279 va_start (args, fmt); | |
1280 | |
1281 retval = octave_vformat (os, fmt, args); | |
1282 | |
1283 va_end (args); | |
1284 | |
1285 return retval; | |
1286 } | |
1287 | |
13991
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1288 size_t |
3622 | 1289 octave_vformat (std::ostream& os, const char *fmt, va_list args) |
3620 | 1290 { |
14005
f8556baf1949
rename octave_vsnprintf and octave_snprintf
John W. Eaton <jwe@octave.org>
parents:
13991
diff
changeset
|
1291 std::string s = octave_vasprintf (fmt, args); |
3620 | 1292 |
13991
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1293 os << s; |
3620 | 1294 |
13991
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1295 return s.length (); |
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1296 } |
4135 | 1297 |
13991
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1298 std::string |
14005
f8556baf1949
rename octave_vsnprintf and octave_snprintf
John W. Eaton <jwe@octave.org>
parents:
13991
diff
changeset
|
1299 octave_vasprintf (const char *fmt, va_list args) |
13991
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1300 { |
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1301 std::string retval; |
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1302 |
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1303 char *result; |
4302 | 1304 |
14005
f8556baf1949
rename octave_vsnprintf and octave_snprintf
John W. Eaton <jwe@octave.org>
parents:
13991
diff
changeset
|
1305 int status = gnulib::vasprintf (&result, fmt, args); |
4302 | 1306 |
13991
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1307 if (status >= 0) |
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1308 { |
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1309 retval = result; |
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1310 ::free (result); |
4302 | 1311 } |
3620 | 1312 |
1313 return retval; | |
1314 } | |
1315 | |
13991
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1316 std::string |
14005
f8556baf1949
rename octave_vsnprintf and octave_snprintf
John W. Eaton <jwe@octave.org>
parents:
13991
diff
changeset
|
1317 octave_asprintf (const char *fmt, ...) |
4302 | 1318 { |
13991
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1319 std::string retval; |
4302 | 1320 |
1321 va_list args; | |
1322 va_start (args, fmt); | |
1323 | |
14005
f8556baf1949
rename octave_vsnprintf and octave_snprintf
John W. Eaton <jwe@octave.org>
parents:
13991
diff
changeset
|
1324 retval = octave_vasprintf (fmt, args); |
4302 | 1325 |
1326 va_end (args); | |
1327 | |
1328 return retval; | |
1329 } | |
1330 | |
4086 | 1331 void |
1332 octave_sleep (double seconds) | |
1333 { | |
1334 if (seconds > 0) | |
1335 { | |
1336 double t; | |
1337 | |
4093 | 1338 unsigned int usec |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10257
diff
changeset
|
1339 = static_cast<unsigned int> (modf (seconds, &t) * 1000000); |
4086 | 1340 |
4093 | 1341 unsigned int sec |
15215
9020dddc925a
use std::numeric_limits for integer max and min values
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1342 = ((t > std::numeric_limits<unsigned int>::max ()) |
9020dddc925a
use std::numeric_limits for integer max and min values
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1343 ? std::numeric_limits<unsigned int>::max () |
9020dddc925a
use std::numeric_limits for integer max and min values
John W. Eaton <jwe@octave.org>
parents:
15195
diff
changeset
|
1344 : static_cast<unsigned int> (t)); |
4086 | 1345 |
5770 | 1346 // Versions of these functions that accept unsigned int args are |
1347 // defined in cutils.c. | |
4086 | 1348 octave_sleep (sec); |
1349 octave_usleep (usec); | |
10070
897e62651c0a
correctly handle interrupts in pause()
Jaroslav Hajek <highegg@gmail.com>
parents:
10066
diff
changeset
|
1350 |
10142
829e69ec3110
make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents:
10086
diff
changeset
|
1351 octave_quit (); |
4086 | 1352 } |
1353 } | |
1354 | |
9487
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1355 DEFUN (isindex, args, , |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1356 "-*- texinfo -*-\n\ |
11431
0d9640d755b1
Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents:
11066
diff
changeset
|
1357 @deftypefn {Built-in Function} {} isindex (@var{ind})\n\ |
0d9640d755b1
Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents:
11066
diff
changeset
|
1358 @deftypefnx {Built-in Function} {} isindex (@var{ind}, @var{n})\n\ |
20294
4d0c7fec0a31
doc: Explain treatment of strings by isindex() (bug #44855).
Rik <rik@octave.org>
parents:
19948
diff
changeset
|
1359 Return true if @var{ind} is a valid index.\n\ |
4d0c7fec0a31
doc: Explain treatment of strings by isindex() (bug #44855).
Rik <rik@octave.org>
parents:
19948
diff
changeset
|
1360 \n\ |
4d0c7fec0a31
doc: Explain treatment of strings by isindex() (bug #44855).
Rik <rik@octave.org>
parents:
19948
diff
changeset
|
1361 Valid indices are either positive integers (although possibly of real data\n\ |
4d0c7fec0a31
doc: Explain treatment of strings by isindex() (bug #44855).
Rik <rik@octave.org>
parents:
19948
diff
changeset
|
1362 type), or logical arrays. If present, @var{n} specifies the maximum extent\n\ |
4d0c7fec0a31
doc: Explain treatment of strings by isindex() (bug #44855).
Rik <rik@octave.org>
parents:
19948
diff
changeset
|
1363 of the dimension to be indexed. When possible the internal result is cached\n\ |
4d0c7fec0a31
doc: Explain treatment of strings by isindex() (bug #44855).
Rik <rik@octave.org>
parents:
19948
diff
changeset
|
1364 so that subsequent indexing using @var{ind} will not perform the check again.\n\ |
4d0c7fec0a31
doc: Explain treatment of strings by isindex() (bug #44855).
Rik <rik@octave.org>
parents:
19948
diff
changeset
|
1365 \n\ |
4d0c7fec0a31
doc: Explain treatment of strings by isindex() (bug #44855).
Rik <rik@octave.org>
parents:
19948
diff
changeset
|
1366 Implementation Note: Strings are first converted to double values before the\n\ |
4d0c7fec0a31
doc: Explain treatment of strings by isindex() (bug #44855).
Rik <rik@octave.org>
parents:
19948
diff
changeset
|
1367 checks for valid indices are made. Unless a string contains the NULL\n\ |
4d0c7fec0a31
doc: Explain treatment of strings by isindex() (bug #44855).
Rik <rik@octave.org>
parents:
19948
diff
changeset
|
1368 character \"\\0\", it will always be a valid index.\n\ |
9487
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
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9173
diff
changeset
|
1369 @end deftypefn") |
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1370 { |
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1371 octave_value retval; |
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1372 int nargin = args.length (); |
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1373 octave_idx_type n = 0; |
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1374 |
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1375 if (nargin == 2) |
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1376 n = args(1).idx_type_value (); |
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1377 else if (nargin != 1) |
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1378 print_usage (); |
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1379 |
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1380 if (! error_state) |
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1381 { |
10066
2cd940306a06
make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents:
10033
diff
changeset
|
1382 unwind_protect frame; |
10605
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
10502
diff
changeset
|
1383 |
10066
2cd940306a06
make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents:
10033
diff
changeset
|
1384 frame.protect_var (error_state); |
10605
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
10502
diff
changeset
|
1385 |
10066
2cd940306a06
make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents:
10033
diff
changeset
|
1386 frame.protect_var (discard_error_messages); |
9487
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1387 discard_error_messages = true; |
2894af292e69
implement isindex function
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parents:
9173
diff
changeset
|
1388 |
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1389 try |
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1390 { |
18129
e473c4853afc
enable non-integer ranges as indices by default and deprecate preference
John W. Eaton <jwe@octave.org>
parents:
18104
diff
changeset
|
1391 idx_vector idx = args(0).index_vector (true); |
e473c4853afc
enable non-integer ranges as indices by default and deprecate preference
John W. Eaton <jwe@octave.org>
parents:
18104
diff
changeset
|
1392 |
9487
2894af292e69
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Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1393 if (! error_state) |
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1394 { |
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1395 if (nargin == 2) |
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1396 retval = idx.extent (n) <= n; |
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1397 else |
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1398 retval = true; |
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
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9173
diff
changeset
|
1399 } |
2894af292e69
implement isindex function
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parents:
9173
diff
changeset
|
1400 else |
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1401 retval = false; |
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1402 } |
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1403 catch (octave_execution_exception) |
2894af292e69
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Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1404 { |
2894af292e69
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Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1405 retval = false; |
2894af292e69
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Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1406 } |
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
1407 } |
2894af292e69
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diff
changeset
|
1408 |
2894af292e69
implement isindex function
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parents:
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diff
changeset
|
1409 return retval; |
2894af292e69
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9173
diff
changeset
|
1410 } |
2894af292e69
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parents:
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diff
changeset
|
1411 |
13094 | 1412 /* |
14429
eff4a5933e28
Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
1413 %!assert (isindex ([1, 2, 3])) |
eff4a5933e28
Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
1414 %!assert (isindex (1:3)) |
19330
ebeb3defae37
codesprint: Add tests to various interpreter utility functions
Mike Miller <mtmiller@ieee.org>
parents:
19320
diff
changeset
|
1415 %!assert (isindex (1:3, 2), false) |
14429
eff4a5933e28
Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
1416 %!assert (isindex ([1, 2, -3]), false) |
13094 | 1417 |
14429
eff4a5933e28
Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
1418 %!error isindex () |
19330
ebeb3defae37
codesprint: Add tests to various interpreter utility functions
Mike Miller <mtmiller@ieee.org>
parents:
19320
diff
changeset
|
1419 %!error isindex (1:3, 2, 3) |
13094 | 1420 */ |
1421 | |
10086
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
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|
1422 octave_value_list |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
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diff
changeset
|
1423 do_simple_cellfun (octave_value_list (*fun) (const octave_value_list&, int), |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11575
diff
changeset
|
1424 const char *fun_name, const octave_value_list& args, |
10086
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diff
changeset
|
1425 int nargout) |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
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diff
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|
1426 { |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
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diff
changeset
|
1427 octave_value_list new_args = args, retval; |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
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diff
changeset
|
1428 int nargin = args.length (); |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
1429 OCTAVE_LOCAL_BUFFER (bool, iscell, nargin); |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1430 OCTAVE_LOCAL_BUFFER (Cell, cells, nargin); |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1431 OCTAVE_LOCAL_BUFFER (Cell, rcells, nargout); |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
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changeset
|
1432 |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1433 const Cell *ccells = cells; |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1434 |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1435 octave_idx_type numel = 1; |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1436 dim_vector dims (1, 1); |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1437 |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1438 for (int i = 0; i < nargin; i++) |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1439 { |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1440 octave_value arg = new_args(i); |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1441 iscell[i] = arg.is_cell (); |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1442 if (iscell[i]) |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1443 { |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1444 cells[i] = arg.cell_value (); |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1445 octave_idx_type n = ccells[i].numel (); |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1446 if (n == 1) |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11575
diff
changeset
|
1447 { |
10086
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1448 iscell[i] = false; |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1449 new_args(i) = ccells[i](0); |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1450 } |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1451 else if (numel == 1) |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1452 { |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1453 numel = n; |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1454 dims = ccells[i].dims (); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11575
diff
changeset
|
1455 } |
10086
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1456 else if (dims != ccells[i].dims ()) |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1457 { |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1458 error ("%s: cell arguments must have matching sizes", fun_name); |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1459 break; |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1460 } |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1461 } |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1462 } |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1463 |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1464 if (! error_state) |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1465 { |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1466 for (int i = 0; i < nargout; i++) |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1467 rcells[i].clear (dims); |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1468 |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1469 for (octave_idx_type j = 0; j < numel; j++) |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1470 { |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1471 for (int i = 0; i < nargin; i++) |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1472 if (iscell[i]) |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1473 new_args(i) = ccells[i](j); |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1474 |
10142
829e69ec3110
make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents:
10086
diff
changeset
|
1475 octave_quit (); |
10086
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1476 |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1477 const octave_value_list tmp = fun (new_args, nargout); |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1478 |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1479 if (tmp.length () < nargout) |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1480 { |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1481 error ("%s: do_simple_cellfun: internal error", fun_name); |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1482 break; |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1483 } |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1484 else |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1485 { |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1486 for (int i = 0; i < nargout; i++) |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1487 rcells[i](j) = tmp(i); |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1488 } |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1489 } |
76df75b10c80
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Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1490 } |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1491 |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1492 if (! error_state) |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1493 { |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1494 retval.resize (nargout); |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1495 for (int i = 0; i < nargout; i++) |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1496 retval(i) = rcells[i]; |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1497 } |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1498 |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1499 return retval; |
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1500 } |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1501 |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1502 octave_value |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1503 do_simple_cellfun (octave_value_list (*fun) (const octave_value_list&, int), |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1504 const char *fun_name, const octave_value_list& args) |
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1505 { |
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1506 octave_value retval; |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1507 const octave_value_list tmp = do_simple_cellfun (fun, fun_name, args, 1); |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1508 if (tmp.length () > 0) |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1509 retval = tmp(0); |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1510 |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1511 return retval; |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1512 } |
17818
f1b59ef34eda
attempt to avoid setting persistent state on i/o streams (bug #40396)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
1513 |
f1b59ef34eda
attempt to avoid setting persistent state on i/o streams (bug #40396)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
1514 octave_preserve_stream_state::~octave_preserve_stream_state (void) |
f1b59ef34eda
attempt to avoid setting persistent state on i/o streams (bug #40396)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
1515 { |
f1b59ef34eda
attempt to avoid setting persistent state on i/o streams (bug #40396)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
1516 stream.flags (oflags); |
f1b59ef34eda
attempt to avoid setting persistent state on i/o streams (bug #40396)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
1517 stream.precision (oprecision); |
f1b59ef34eda
attempt to avoid setting persistent state on i/o streams (bug #40396)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
1518 stream.width (owidth); |
f1b59ef34eda
attempt to avoid setting persistent state on i/o streams (bug #40396)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
1519 stream.fill (ofill); |
f1b59ef34eda
attempt to avoid setting persistent state on i/o streams (bug #40396)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
1520 } |
19320
4990d5988cf5
new function, isstudent (bug #43155)
John W. Eaton <jwe@octave.org>
parents:
19222
diff
changeset
|
1521 |
4990d5988cf5
new function, isstudent (bug #43155)
John W. Eaton <jwe@octave.org>
parents:
19222
diff
changeset
|
1522 DEFUN (isstudent, args, , |
4990d5988cf5
new function, isstudent (bug #43155)
John W. Eaton <jwe@octave.org>
parents:
19222
diff
changeset
|
1523 "-*- texinfo -*-\n\ |
19344
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
19330
diff
changeset
|
1524 @deftypefn {Built-in Function} {} isstudent ()\n\ |
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
19330
diff
changeset
|
1525 Return true if running in the student edition of @sc{matlab}.\n\ |
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
19330
diff
changeset
|
1526 \n\ |
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
19330
diff
changeset
|
1527 @code{isstudent} always returns false in Octave.\n\ |
19320
4990d5988cf5
new function, isstudent (bug #43155)
John W. Eaton <jwe@octave.org>
parents:
19222
diff
changeset
|
1528 \n\ |
4990d5988cf5
new function, isstudent (bug #43155)
John W. Eaton <jwe@octave.org>
parents:
19222
diff
changeset
|
1529 @seealso{false}\n\ |
4990d5988cf5
new function, isstudent (bug #43155)
John W. Eaton <jwe@octave.org>
parents:
19222
diff
changeset
|
1530 @end deftypefn") |
4990d5988cf5
new function, isstudent (bug #43155)
John W. Eaton <jwe@octave.org>
parents:
19222
diff
changeset
|
1531 { |
4990d5988cf5
new function, isstudent (bug #43155)
John W. Eaton <jwe@octave.org>
parents:
19222
diff
changeset
|
1532 if (args.length () != 0) |
4990d5988cf5
new function, isstudent (bug #43155)
John W. Eaton <jwe@octave.org>
parents:
19222
diff
changeset
|
1533 print_usage (); |
4990d5988cf5
new function, isstudent (bug #43155)
John W. Eaton <jwe@octave.org>
parents:
19222
diff
changeset
|
1534 |
4990d5988cf5
new function, isstudent (bug #43155)
John W. Eaton <jwe@octave.org>
parents:
19222
diff
changeset
|
1535 return octave_value (false); |
4990d5988cf5
new function, isstudent (bug #43155)
John W. Eaton <jwe@octave.org>
parents:
19222
diff
changeset
|
1536 } |
4990d5988cf5
new function, isstudent (bug #43155)
John W. Eaton <jwe@octave.org>
parents:
19222
diff
changeset
|
1537 |
4990d5988cf5
new function, isstudent (bug #43155)
John W. Eaton <jwe@octave.org>
parents:
19222
diff
changeset
|
1538 /* |
19344
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
19330
diff
changeset
|
1539 %!assert (isstudent (), false) |
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
19330
diff
changeset
|
1540 |
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
19330
diff
changeset
|
1541 %!error isstudent (1) |
19320
4990d5988cf5
new function, isstudent (bug #43155)
John W. Eaton <jwe@octave.org>
parents:
19222
diff
changeset
|
1542 */ |