Mercurial > hg > octave-nkf
annotate src/utils.cc @ 10502:f13bf183a003
isvarname: keywords are not valid variable names
| author | Judd Storrs <jstorrs@gmail.com> |
|---|---|
| date | Fri, 09 Apr 2010 09:54:19 -0400 |
| parents | 57a59eae83cc |
| children | 1834132fb50b |
| rev | line source |
|---|---|
| 1 | 1 /* |
| 2 | |
| 7017 | 3 Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, |
| 8920 | 4 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 John W. Eaton |
| 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> |
| 1343 | 29 #include <climits> |
| 1346 | 30 #include <cstring> |
| 1343 | 31 |
| 3503 | 32 #include <fstream> |
| 33 #include <iostream> | |
| 1728 | 34 #include <string> |
| 35 | |
| 1 | 36 #include <sys/types.h> |
| 37 #include <unistd.h> | |
| 367 | 38 |
| 4302 | 39 #include "quit.h" |
| 40 | |
| 3040 | 41 #include "dir-ops.h" |
| 42 #include "file-ops.h" | |
| 2926 | 43 #include "file-stat.h" |
| 4732 | 44 #include "lo-mappers.h" |
| 1651 | 45 #include "oct-cmplx.h" |
| 2926 | 46 #include "oct-env.h" |
| 3040 | 47 #include "pathsearch.h" |
| 1755 | 48 #include "str-vec.h" |
| 1651 | 49 |
| 4216 | 50 #include "Cell.h" |
| 2492 | 51 #include <defaults.h> |
| 1352 | 52 #include "defun.h" |
| 53 #include "dirfns.h" | |
| 54 #include "error.h" | |
| 55 #include "gripes.h" | |
| 56 #include "input.h" | |
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57 #include "lex.h" |
| 5832 | 58 #include "load-path.h" |
| 5465 | 59 #include "oct-errno.h" |
| 1742 | 60 #include "oct-hist.h" |
| 1750 | 61 #include "oct-obj.h" |
| 1352 | 62 #include "pager.h" |
| 1690 | 63 #include "sysdep.h" |
| 1750 | 64 #include "toplev.h" |
| 1 | 65 #include "unwind-prot.h" |
| 1352 | 66 #include "utils.h" |
| 67 #include "variables.h" | |
| 1 | 68 |
| 4143 | 69 // Return TRUE if S is a valid identifier. |
| 70 | |
| 71 bool | |
| 72 valid_identifier (const char *s) | |
| 73 { | |
| 5290 | 74 if (! s || ! (isalpha (*s) || *s == '_' || *s == '$')) |
| 4143 | 75 return false; |
| 76 | |
| 77 while (*++s != '\0') | |
| 5290 | 78 if (! (isalnum (*s) || *s == '_' || *s == '$')) |
| 4143 | 79 return false; |
| 80 | |
| 81 return true; | |
| 82 } | |
| 83 | |
| 84 bool | |
| 85 valid_identifier (const std::string& s) | |
| 86 { | |
| 87 return valid_identifier (s.c_str ()); | |
| 88 } | |
| 89 | |
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90 DEFUN (isvarname, args, , |
| 5040 | 91 "-*- texinfo -*-\n\ |
| 92 @deftypefn {Built-in Function} {} isvarname (@var{name})\n\ | |
| 4264 | 93 Return true if @var{name} is a valid variable name\n\ |
| 94 @end deftypefn") | |
| 95 { | |
| 96 octave_value retval; | |
| 97 | |
| 98 int argc = args.length () + 1; | |
| 99 | |
| 4610 | 100 string_vector argv = args.make_argv ("isvarname"); |
| 4264 | 101 |
| 102 if (error_state) | |
| 103 return retval; | |
| 104 | |
| 105 if (argc == 2) | |
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106 retval = valid_identifier (argv[1]) && ! is_keyword (argv[1]); |
| 4264 | 107 else |
| 5823 | 108 print_usage (); |
| 4264 | 109 |
| 110 return retval; | |
| 111 } | |
| 112 | |
| 6323 | 113 // Return TRUE if F and G are both names for the same file. |
| 114 | |
| 115 bool | |
| 116 same_file (const std::string& f, const std::string& g) | |
| 117 { | |
| 6598 | 118 return same_file_internal (f, g); |
| 6323 | 119 } |
| 120 | |
| 1 | 121 int |
| 3523 | 122 almost_match (const std::string& std, const std::string& s, int min_match_len, |
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123 int case_sens) |
| 1 | 124 { |
| 1755 | 125 int stdlen = std.length (); |
| 126 int slen = s.length (); | |
| 1 | 127 |
| 128 return (slen <= stdlen | |
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129 && slen >= min_match_len |
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130 && (case_sens |
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131 ? (strncmp (std.c_str (), s.c_str (), slen) == 0) |
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132 : (octave_strncasecmp (std.c_str (), s.c_str (), slen) == 0))); |
| 287 | 133 } |
| 134 | |
| 581 | 135 // Ugh. |
| 136 | |
| 287 | 137 int |
| 3523 | 138 keyword_almost_match (const char * const *std, int *min_len, const std::string& s, |
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139 int min_toks_to_match, int max_toks) |
| 287 | 140 { |
| 141 int status = 0; | |
| 142 int tok_count = 0; | |
| 143 int toks_matched = 0; | |
| 144 | |
| 1755 | 145 if (s.empty () || max_toks < 1) |
| 287 | 146 return status; |
| 147 | |
| 1755 | 148 char *kw = strsave (s.c_str ()); |
| 287 | 149 |
| 150 char *t = kw; | |
| 151 while (*t != '\0') | |
| 152 { | |
| 153 if (*t == '\t') | |
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154 *t = ' '; |
| 287 | 155 t++; |
| 156 } | |
| 157 | |
| 158 char *beg = kw; | |
| 159 while (*beg == ' ') | |
| 160 beg++; | |
| 161 | |
| 162 if (*beg == '\0') | |
| 163 return status; | |
| 164 | |
| 165 | |
| 3072 | 166 const char **to_match = new const char * [max_toks + 1]; |
| 167 const char * const *s1 = std; | |
| 168 const char **s2 = to_match; | |
| 287 | 169 |
| 526 | 170 if (! s1 || ! s2) |
| 287 | 171 goto done; |
| 172 | |
| 173 s2[tok_count] = beg; | |
| 174 char *end; | |
| 526 | 175 while ((end = strchr (beg, ' ')) != 0) |
| 287 | 176 { |
| 177 *end = '\0'; | |
| 178 beg = end + 1; | |
| 179 | |
| 180 while (*beg == ' ') | |
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181 beg++; |
| 287 | 182 |
| 183 if (*beg == '\0') | |
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184 break; |
| 287 | 185 |
| 186 tok_count++; | |
| 187 if (tok_count >= max_toks) | |
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188 goto done; |
| 287 | 189 |
| 190 s2[tok_count] = beg; | |
| 191 } | |
| 526 | 192 s2[tok_count+1] = 0; |
| 287 | 193 |
| 194 s2 = to_match; | |
| 195 | |
| 196 for (;;) | |
| 197 { | |
| 198 if (! almost_match (*s1, *s2, min_len[toks_matched], 0)) | |
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199 goto done; |
| 287 | 200 |
| 201 toks_matched++; | |
| 202 | |
| 203 s1++; | |
| 204 s2++; | |
| 205 | |
| 206 if (! *s2) | |
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207 { |
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208 status = (toks_matched >= min_toks_to_match); |
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209 goto done; |
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210 } |
| 287 | 211 |
| 212 if (! *s1) | |
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213 goto done; |
| 287 | 214 } |
| 215 | |
| 216 done: | |
| 217 | |
| 218 delete [] kw; | |
| 219 delete [] to_match; | |
| 220 | |
| 221 return status; | |
| 1 | 222 } |
| 223 | |
| 2234 | 224 // Return non-zero if either NR or NC is zero. Return -1 if this |
| 225 // should be considered fatal; return 1 if this is ok. | |
| 226 | |
| 227 int | |
| 5275 | 228 empty_arg (const char * /* name */, octave_idx_type nr, octave_idx_type nc) |
| 2234 | 229 { |
| 4478 | 230 return (nr == 0 || nc == 0); |
| 2234 | 231 } |
| 232 | |
| 581 | 233 // See if the given file is in the path. |
| 234 | |
| 3536 | 235 std::string |
| 4243 | 236 search_path_for_file (const std::string& path, const string_vector& names) |
| 686 | 237 { |
| 3174 | 238 dir_path p (path); |
| 686 | 239 |
| 10250 | 240 return octave_env::make_absolute (p.find_first_of (names)); |
| 686 | 241 } |
| 242 | |
| 4216 | 243 // Find all locations of the given file in the path. |
| 244 | |
| 245 string_vector | |
| 4243 | 246 search_path_for_all_files (const std::string& path, const string_vector& names) |
| 4216 | 247 { |
| 248 dir_path p (path); | |
| 249 | |
| 4243 | 250 string_vector sv = p.find_all_first_of (names); |
| 4216 | 251 |
| 6379 | 252 octave_idx_type len = sv.length (); |
| 4216 | 253 |
| 6379 | 254 for (octave_idx_type i = 0; i < len; i++) |
| 10250 | 255 sv[i] = octave_env::make_absolute (sv[i]); |
| 4216 | 256 |
| 257 return sv; | |
| 258 } | |
| 259 | |
| 260 static string_vector | |
| 261 make_absolute (const string_vector& sv) | |
| 262 { | |
| 6379 | 263 octave_idx_type len = sv.length (); |
| 264 | |
| 265 string_vector retval (len); | |
| 4216 | 266 |
| 6379 | 267 for (octave_idx_type i = 0; i < len; i++) |
| 10250 | 268 retval[i] = octave_env::make_absolute (sv[i]); |
| 6379 | 269 |
| 270 return retval; | |
| 4216 | 271 } |
| 272 | |
| 3195 | 273 DEFUN (file_in_loadpath, args, , |
| 3446 | 274 "-*- texinfo -*-\n\ |
| 4216 | 275 @deftypefn {Built-in Function} {} file_in_loadpath (@var{file})\n\ |
| 276 @deftypefnx {Built-in Function} {} file_in_loadpath (@var{file}, \"all\")\n\ | |
| 3195 | 277 \n\ |
| 5448 | 278 Return the absolute name of @var{file} if it can be found in\n\ |
| 5814 | 279 the list of directories specified by @code{path}.\n\ |
| 4216 | 280 If no file is found, return an empty matrix.\n\ |
| 281 \n\ | |
| 5448 | 282 If the first argument is a cell array of strings, search each\n\ |
| 4243 | 283 directory of the loadpath for element of the cell array and return\n\ |
| 284 the first that matches.\n\ | |
| 285 \n\ | |
| 4216 | 286 If the second optional argument @code{\"all\"} is supplied, return\n\ |
| 287 a cell array containing the list of all files that have the same\n\ | |
| 288 name in the path. If no files are found, return an empty cell array.\n\ | |
| 5814 | 289 @seealso{file_in_path, path}\n\ |
| 5642 | 290 @end deftypefn") |
| 3195 | 291 { |
| 4216 | 292 octave_value retval; |
| 3195 | 293 |
| 4243 | 294 int nargin = args.length (); |
| 3195 | 295 |
| 4243 | 296 if (nargin == 1 || nargin == 2) |
| 4216 | 297 { |
| 4243 | 298 string_vector names = args(0).all_strings (); |
| 299 | |
| 300 if (! error_state && names.length () > 0) | |
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301 { |
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302 if (nargin == 1) |
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303 { |
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304 std::string fname |
| 10250 | 305 = octave_env::make_absolute (load_path::find_first_of (names)); |
| 4243 | 306 |
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307 if (fname.empty ()) |
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308 retval = Matrix (); |
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309 else |
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310 retval = fname; |
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311 } |
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312 else if (nargin == 2) |
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313 { |
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314 std::string opt = args(1).string_value (); |
| 4243 | 315 |
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316 if (! error_state && opt == "all") |
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317 retval = Cell (make_absolute |
| 10250 | 318 (load_path::find_all_first_of (names))); |
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319 else |
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320 error ("file_in_loadpath: invalid option"); |
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321 } |
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322 } |
| 4216 | 323 else |
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324 error ("file_in_loadpath: expecting string as first argument"); |
| 4216 | 325 } |
| 3195 | 326 else |
| 5823 | 327 print_usage (); |
| 3195 | 328 |
| 329 return retval; | |
| 330 } | |
| 331 | |
| 1957 | 332 DEFUN (file_in_path, args, , |
| 3301 | 333 "-*- texinfo -*-\n\ |
| 334 @deftypefn {Built-in Function} {} file_in_path (@var{path}, @var{file})\n\ | |
| 4216 | 335 @deftypefnx {Built-in Function} {} file_in_path (@var{path}, @var{file}, \"all\")\n\ |
| 5448 | 336 Return the absolute name of @var{file} if it can be found in\n\ |
| 3301 | 337 @var{path}. The value of @var{path} should be a colon-separated list of\n\ |
| 5814 | 338 directories in the format described for @code{path}. If no file\n\ |
| 5794 | 339 is found, return an empty matrix. For example,\n\ |
| 3301 | 340 \n\ |
| 341 @example\n\ | |
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342 @group\n\ |
| 5456 | 343 file_in_path (EXEC_PATH, \"sh\")\n\ |
| 344 @result{} \"/bin/sh\"\n\ | |
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345 @end group\n\ |
| 3301 | 346 @end example\n\ |
| 4216 | 347 \n\ |
| 5448 | 348 If the second argument is a cell array of strings, search each\n\ |
| 4243 | 349 directory of the path for element of the cell array and return\n\ |
| 350 the first that matches.\n\ | |
| 351 \n\ | |
| 4216 | 352 If the third optional argument @code{\"all\"} is supplied, return\n\ |
| 353 a cell array containing the list of all files that have the same\n\ | |
| 354 name in the path. If no files are found, return an empty cell array.\n\ | |
| 4249 | 355 @seealso{file_in_loadpath}\n\ |
| 3301 | 356 @end deftypefn") |
| 686 | 357 { |
| 4216 | 358 octave_value retval; |
| 686 | 359 |
| 4243 | 360 int nargin = args.length (); |
| 1755 | 361 |
| 4243 | 362 if (nargin == 2 || nargin == 3) |
| 686 | 363 { |
| 4243 | 364 std::string path = args(0).string_value (); |
| 365 | |
| 366 if (! error_state) | |
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367 { |
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368 string_vector names = args(1).all_strings (); |
| 4243 | 369 |
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370 if (! error_state && names.length () > 0) |
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371 { |
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372 if (nargin == 2) |
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373 { |
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374 std::string fname = search_path_for_file (path, names); |
| 686 | 375 |
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376 if (fname.empty ()) |
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377 retval = Matrix (); |
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378 else |
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379 retval = fname; |
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380 } |
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381 else if (nargin == 3) |
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382 { |
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383 std::string opt = args(2).string_value (); |
| 4243 | 384 |
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385 if (! error_state && opt == "all") |
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386 retval = Cell (make_absolute |
| 10250 | 387 (search_path_for_all_files (path, names))); |
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388 else |
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389 error ("file_in_path: invalid option"); |
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390 } |
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391 } |
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392 else |
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393 error ("file_in_path: expecting string as second argument"); |
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394 } |
| 1755 | 395 else |
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396 error ("file_in_path: expecting string as first argument"); |
| 686 | 397 } |
| 398 else | |
| 5823 | 399 print_usage (); |
| 686 | 400 |
| 401 return retval; | |
| 402 } | |
| 403 | |
| 3536 | 404 std::string |
| 3523 | 405 file_in_path (const std::string& name, const std::string& suffix) |
| 526 | 406 { |
| 3523 | 407 std::string nm = name; |
| 526 | 408 |
| 1755 | 409 if (! suffix.empty ()) |
| 410 nm.append (suffix); | |
| 686 | 411 |
| 10250 | 412 return octave_env::make_absolute (load_path::find_file (nm)); |
| 526 | 413 } |
| 414 | |
| 581 | 415 // See if there is an function file in the path. If so, return the |
| 416 // full path to the file. | |
| 417 | |
| 3536 | 418 std::string |
| 3523 | 419 fcn_file_in_path (const std::string& name) |
| 526 | 420 { |
| 3523 | 421 std::string retval; |
| 908 | 422 |
| 1755 | 423 int len = name.length (); |
| 424 | |
| 425 if (len > 0) | |
| 426 { | |
| 5832 | 427 if (octave_env::absolute_pathname (name)) |
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428 { |
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429 file_stat fs (name); |
| 5832 | 430 |
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431 if (fs.exists ()) |
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432 retval = name; |
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433 } |
| 5832 | 434 else if (len > 2 && name [len - 2] == '.' && name [len - 1] == 'm') |
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435 retval = load_path::find_fcn_file (name.substr (0, len-2)); |
| 908 | 436 else |
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437 { |
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438 std::string fname = name; |
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439 size_t pos = name.find_first_of (Vfilemarker); |
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440 if (pos != std::string::npos) |
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441 fname = name.substr (0, pos); |
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442 |
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443 retval = load_path::find_fcn_file (fname); |
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444 } |
| 908 | 445 } |
| 1755 | 446 |
| 447 return retval; | |
| 526 | 448 } |
| 449 | |
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450 // See if there is a directory called "name" in the path and if it |
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451 // contains a Contents.m file return the full path to this file. |
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452 |
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453 std::string |
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454 contents_file_in_path (const std::string& dir) |
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455 { |
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456 std::string retval; |
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457 |
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458 if (dir.length () > 0) |
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459 { |
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460 std::string tcontents = file_ops::concat (load_path::find_dir (dir), |
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461 std::string ("Contents.m")); |
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462 |
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463 file_stat fs (tcontents); |
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464 |
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465 if (fs.exists ()) |
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466 retval = octave_env::make_absolute (tcontents); |
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467 } |
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468 |
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469 return retval; |
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470 } |
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471 |
| 5864 | 472 // See if there is a .oct file in the path. If so, return the |
| 581 | 473 // full path to the file. |
| 474 | |
| 3536 | 475 std::string |
| 3523 | 476 oct_file_in_path (const std::string& name) |
| 572 | 477 { |
| 3523 | 478 std::string retval; |
| 908 | 479 |
| 1755 | 480 int len = name.length (); |
| 481 | |
| 482 if (len > 0) | |
| 483 { | |
| 5832 | 484 if (octave_env::absolute_pathname (name)) |
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485 { |
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486 file_stat fs (name); |
| 5832 | 487 |
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488 if (fs.exists ()) |
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489 retval = name; |
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490 } |
| 5832 | 491 else if (len > 4 && name [len - 4] == '.' && name [len - 3] == 'o' |
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492 && name [len - 2] == 'c' && name [len - 1] == 't') |
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493 retval = load_path::find_oct_file (name.substr (0, len-4)); |
| 908 | 494 else |
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495 retval = load_path::find_oct_file (name); |
| 908 | 496 } |
| 1755 | 497 |
| 498 return retval; | |
| 572 | 499 } |
| 500 | |
| 5864 | 501 // See if there is a .mex file in the path. If so, return the |
| 502 // full path to the file. | |
| 503 | |
| 504 std::string | |
| 505 mex_file_in_path (const std::string& name) | |
| 506 { | |
| 507 std::string retval; | |
| 508 | |
| 509 int len = name.length (); | |
| 510 | |
| 511 if (len > 0) | |
| 512 { | |
| 513 if (octave_env::absolute_pathname (name)) | |
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514 { |
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515 file_stat fs (name); |
| 5864 | 516 |
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517 if (fs.exists ()) |
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518 retval = name; |
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519 } |
| 5864 | 520 else if (len > 4 && name [len - 4] == '.' && name [len - 3] == 'm' |
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521 && name [len - 2] == 'e' && name [len - 1] == 'x') |
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522 retval = load_path::find_mex_file (name.substr (0, len-4)); |
| 5864 | 523 else |
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524 retval = load_path::find_mex_file (name); |
| 5864 | 525 } |
| 526 | |
| 527 return retval; | |
| 528 } | |
| 529 | |
| 3103 | 530 // Replace backslash escapes in a string with the real values. |
| 531 | |
| 3536 | 532 std::string |
| 3523 | 533 do_string_escapes (const std::string& s) |
| 3103 | 534 { |
| 3523 | 535 std::string retval; |
| 3103 | 536 |
| 537 size_t i = 0; | |
| 538 size_t j = 0; | |
| 539 size_t len = s.length (); | |
| 540 | |
| 541 retval.resize (len); | |
| 542 | |
| 543 while (j < len) | |
| 544 { | |
| 545 if (s[j] == '\\' && j+1 < len) | |
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546 { |
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547 switch (s[++j]) |
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548 { |
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549 case '0': |
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550 retval[i] = '\0'; |
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551 break; |
| 3893 | 552 |
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553 case 'a': |
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554 retval[i] = '\a'; |
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555 break; |
| 3103 | 556 |
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557 case 'b': // backspace |
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558 retval[i] = '\b'; |
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559 break; |
| 3103 | 560 |
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561 case 'f': // formfeed |
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562 retval[i] = '\f'; |
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563 break; |
| 3103 | 564 |
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565 case 'n': // newline |
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566 retval[i] = '\n'; |
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567 break; |
| 3103 | 568 |
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569 case 'r': // carriage return |
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570 retval[i] = '\r'; |
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571 break; |
| 3103 | 572 |
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573 case 't': // horizontal tab |
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574 retval[i] = '\t'; |
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575 break; |
| 3103 | 576 |
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577 case 'v': // vertical tab |
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578 retval[i] = '\v'; |
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579 break; |
| 3103 | 580 |
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581 case '\\': // backslash |
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582 retval[i] = '\\'; |
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583 break; |
| 3103 | 584 |
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585 case '\'': // quote |
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586 retval[i] = '\''; |
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587 break; |
| 3103 | 588 |
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589 case '"': // double quote |
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590 retval[i] = '"'; |
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591 break; |
| 3103 | 592 |
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593 default: |
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594 warning ("unrecognized escape sequence `\\%c' --\ |
| 3103 | 595 converting to `%c'", s[j], s[j]); |
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596 retval[i] = s[j]; |
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597 break; |
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598 } |
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599 } |
| 3103 | 600 else |
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601 { |
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602 retval[i] = s[j]; |
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603 } |
| 3103 | 604 |
| 605 i++; | |
| 606 j++; | |
| 607 } | |
| 608 | |
| 3105 | 609 retval.resize (i); |
| 3103 | 610 |
| 611 return retval; | |
| 612 } | |
| 613 | |
| 614 DEFUN (do_string_escapes, args, , | |
| 3446 | 615 "-*- texinfo -*-\n\ |
| 616 @deftypefn {Built-in Function} {} do_string_escapes (@var{string})\n\ | |
| 617 Convert special characters in @var{string} to their escaped forms.\n\ | |
| 618 @end deftypefn") | |
| 3103 | 619 { |
| 620 octave_value retval; | |
| 621 | |
| 622 int nargin = args.length (); | |
| 623 | |
| 624 if (nargin == 1) | |
| 625 { | |
| 626 if (args(0).is_string ()) | |
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627 retval = do_string_escapes (args(0).string_value ()); |
| 3103 | 628 else |
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629 error ("do_string_escapes: argument must be a string"); |
| 3103 | 630 } |
| 631 else | |
| 5823 | 632 print_usage (); |
| 3103 | 633 |
| 634 return retval; | |
| 635 } | |
| 636 | |
| 1755 | 637 const char * |
| 801 | 638 undo_string_escape (char c) |
| 639 { | |
| 640 if (! c) | |
| 1755 | 641 return ""; |
| 801 | 642 |
| 643 switch (c) | |
| 644 { | |
| 3893 | 645 case '\0': |
| 646 return "\\0"; | |
| 647 | |
| 801 | 648 case '\a': |
| 649 return "\\a"; | |
| 650 | |
| 651 case '\b': // backspace | |
| 652 return "\\b"; | |
| 653 | |
| 654 case '\f': // formfeed | |
| 655 return "\\f"; | |
| 656 | |
| 657 case '\n': // newline | |
| 658 return "\\n"; | |
| 659 | |
| 660 case '\r': // carriage return | |
| 661 return "\\r"; | |
| 662 | |
| 663 case '\t': // horizontal tab | |
| 664 return "\\t"; | |
| 665 | |
| 666 case '\v': // vertical tab | |
| 667 return "\\v"; | |
| 668 | |
| 669 case '\\': // backslash | |
| 670 return "\\\\"; | |
| 671 | |
| 672 case '"': // double quote | |
| 673 return "\\\""; | |
| 674 | |
| 675 default: | |
| 1755 | 676 { |
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677 static char retval[2]; |
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678 retval[0] = c; |
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679 retval[1] = '\0'; |
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680 return retval; |
| 1755 | 681 } |
| 801 | 682 } |
| 683 } | |
| 684 | |
| 3536 | 685 std::string |
| 3523 | 686 undo_string_escapes (const std::string& s) |
| 801 | 687 { |
| 3523 | 688 std::string retval; |
| 801 | 689 |
| 1755 | 690 for (size_t i = 0; i < s.length (); i++) |
| 691 retval.append (undo_string_escape (s[i])); | |
| 801 | 692 |
| 1755 | 693 return retval; |
| 801 | 694 } |
| 695 | |
| 1957 | 696 DEFUN (undo_string_escapes, args, , |
| 3361 | 697 "-*- texinfo -*-\n\ |
| 698 @deftypefn {Built-in Function} {} undo_string_escapes (@var{s})\n\ | |
| 699 Converts special characters in strings back to their escaped forms. For\n\ | |
| 700 example, the expression\n\ | |
| 701 \n\ | |
| 702 @example\n\ | |
| 703 bell = \"\\a\";\n\ | |
| 704 @end example\n\ | |
| 705 \n\ | |
| 706 @noindent\n\ | |
| 707 assigns the value of the alert character (control-g, ASCII code 7) to\n\ | |
| 708 the string variable @code{bell}. If this string is printed, the\n\ | |
| 709 system will ring the terminal bell (if it is possible). This is\n\ | |
| 710 normally the desired outcome. However, sometimes it is useful to be\n\ | |
| 711 able to print the original representation of the string, with the\n\ | |
| 712 special characters replaced by their escape sequences. For example,\n\ | |
| 713 \n\ | |
| 714 @example\n\ | |
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715 @group\n\ |
| 3361 | 716 octave:13> undo_string_escapes (bell)\n\ |
| 717 ans = \\a\n\ | |
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718 @end group\n\ |
| 3361 | 719 @end example\n\ |
| 720 \n\ | |
| 721 @noindent\n\ | |
| 722 replaces the unprintable alert character with its printable\n\ | |
| 723 representation.\n\ | |
| 724 @end deftypefn") | |
| 801 | 725 { |
| 2086 | 726 octave_value retval; |
| 801 | 727 |
| 728 int nargin = args.length (); | |
| 729 | |
| 3103 | 730 if (nargin == 1) |
| 731 { | |
| 732 if (args(0).is_string ()) | |
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733 retval = undo_string_escapes (args(0).string_value ()); |
| 3103 | 734 else |
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735 error ("undo_string_escapes: argument must be a string"); |
| 3103 | 736 } |
| 801 | 737 else |
| 5823 | 738 print_usage (); |
| 801 | 739 |
| 740 return retval; | |
| 741 } | |
| 742 | |
| 8229 | 743 DEFUN (is_absolute_filename, args, , |
| 744 "-*- texinfo -*-\n\ | |
| 745 @deftypefn {Built-in Function} {} is_absolute_filename (@var{file})\n\ | |
| 746 Return true if @var{file} is an absolute filename.\n\ | |
| 747 @end deftypefn") | |
| 748 { | |
| 749 octave_value retval = false; | |
| 750 | |
| 751 if (args.length () == 1) | |
| 752 retval = (args(0).is_string () | |
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753 && octave_env::absolute_pathname (args(0).string_value ())); |
| 8229 | 754 else |
| 755 print_usage (); | |
| 756 | |
| 757 return retval; | |
| 758 } | |
| 759 | |
| 760 DEFUN (is_rooted_relative_filename, args, , | |
| 761 "-*- texinfo -*-\n\ | |
| 762 @deftypefn {Built-in Function} {} is_rooted_relative_filename (@var{file})\n\ | |
| 763 Return true if @var{file} is a rooted-relative filename.\n\ | |
| 764 @end deftypefn") | |
| 765 { | |
| 766 octave_value retval = false; | |
| 767 | |
| 768 if (args.length () == 1) | |
| 769 retval = (args(0).is_string () | |
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770 && octave_env::rooted_relative_pathname (args(0).string_value ())); |
| 8229 | 771 else |
| 772 print_usage (); | |
| 773 | |
| 774 return retval; | |
| 775 } | |
| 776 | |
| 777 DEFUN (make_absolute_filename, args, , | |
| 778 "-*- texinfo -*-\n\ | |
| 779 @deftypefn {Built-in Function} {} make_absolute_filename (@var{file})\n\ | |
| 780 Return the full name of @var{file}, relative to the current directory.\n\ | |
| 781 @end deftypefn") | |
| 782 { | |
| 783 octave_value retval = std::string (); | |
| 784 | |
| 785 if (args.length () == 1) | |
| 786 { | |
| 787 std::string nm = args(0).string_value (); | |
| 788 | |
| 789 if (! error_state) | |
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790 retval = octave_env::make_absolute (nm); |
| 8229 | 791 else |
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792 error ("make_absolute_filename: expecting argument to be a file name"); |
| 8229 | 793 } |
| 794 else | |
| 795 print_usage (); | |
| 796 | |
| 797 return retval; | |
| 798 } | |
| 799 | |
| 800 DEFUN (find_dir_in_path, args, , | |
| 801 "-*- texinfo -*-\n\ | |
|
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802 @deftypefn {Built-in Function} {} find_dir_in_path (@var{dir}, \"all\")\n\ |
| 8229 | 803 Return the full name of the path element matching @var{dir}. The\n\ |
| 804 match is performed at the end of each path element. For example, if\n\ | |
| 805 @var{dir} is @code{\"foo/bar\"}, it matches the path element\n\ | |
| 806 @code{\"/some/dir/foo/bar\"}, but not @code{\"/some/dir/foo/bar/baz\"}\n\ | |
| 8715 | 807 or @code{\"/some/dir/allfoo/bar\"}.\n\ |
|
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808 \n\ |
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809 The second argument is optional. If it is supplied, return a cell array\n\ |
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810 containing all the directory names that match.\n\ |
| 8229 | 811 @end deftypefn") |
| 812 { | |
| 813 octave_value retval = std::string (); | |
| 814 | |
|
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815 int nargin = args.length (); |
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816 |
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817 std::string dir; |
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818 |
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819 if (nargin == 1 || nargin == 2) |
| 8229 | 820 { |
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821 dir = args(0).string_value (); |
| 8229 | 822 |
| 823 if (! error_state) | |
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824 { |
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825 if (nargin == 1) |
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826 retval = load_path::find_dir (dir); |
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827 else if (nargin == 2) |
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828 retval = Cell (load_path::find_matching_dirs (dir)); |
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829 } |
| 8229 | 830 else |
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831 error ("find_dir_in_path: expecting argument to be a directory name"); |
| 8229 | 832 } |
| 833 else | |
| 834 print_usage (); | |
| 835 | |
| 836 return retval; | |
| 837 } | |
| 838 | |
| 5465 | 839 DEFUNX ("errno", Ferrno, args, , |
| 3716 | 840 "-*- texinfo -*-\n\ |
| 5465 | 841 @deftypefn {Built-in Function} {@var{err} =} errno ()\n\ |
| 842 @deftypefnx {Built-in Function} {@var{err} =} errno (@var{val})\n\ | |
| 843 @deftypefnx {Built-in Function} {@var{err} =} errno (@var{name})\n\ | |
| 844 Return the current value of the system-dependent variable errno,\n\ | |
| 845 set its value to @var{val} and return the previous value, or return\n\ | |
| 846 the named error code given @var{name} as a character string, or -1\n\ | |
| 847 if @var{name} is not found.\n\ | |
| 3716 | 848 @end deftypefn") |
| 849 { | |
| 850 octave_value retval; | |
| 851 | |
| 5465 | 852 int nargin = args.length (); |
| 853 | |
| 854 if (nargin == 1) | |
| 855 { | |
| 856 if (args(0).is_string ()) | |
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857 { |
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858 std::string nm = args(0).string_value (); |
| 5465 | 859 |
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860 if (! error_state) |
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861 retval = octave_errno::lookup (nm); |
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862 else |
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863 error ("errno: expecting character string argument"); |
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864 } |
| 5465 | 865 else |
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866 { |
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867 int val = args(0).int_value (); |
| 5465 | 868 |
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869 if (! error_state) |
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870 retval = octave_errno::set (val); |
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871 else |
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872 error ("errno: expecting integer argument"); |
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873 } |
| 5465 | 874 } |
| 875 else if (nargin == 0) | |
| 876 retval = octave_errno::get (); | |
| 3716 | 877 else |
| 5823 | 878 print_usage (); |
| 3716 | 879 |
| 880 return retval; | |
| 881 } | |
| 882 | |
| 5465 | 883 DEFUN (errno_list, args, , |
| 884 "-*- texinfo -*-\n\ | |
| 885 @deftypefn {Built-in Function} {} errno_list ()\n\ | |
| 886 Return a structure containing the system-dependent errno values.\n\ | |
| 887 @end deftypefn") | |
| 888 { | |
| 889 octave_value retval; | |
| 890 | |
| 891 if (args.length () == 0) | |
| 892 retval = octave_errno::list (); | |
| 893 else | |
| 5823 | 894 print_usage (); |
| 5465 | 895 |
| 896 return retval; | |
| 897 } | |
| 3716 | 898 |
| 2285 | 899 static void |
| 5275 | 900 check_dimensions (octave_idx_type& nr, octave_idx_type& nc, const char *warnfor) |
| 3354 | 901 { |
| 902 if (nr < 0 || nc < 0) | |
| 903 { | |
| 5781 | 904 warning_with_id ("Octave:neg-dim-as-zero", |
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905 "%s: converting negative dimension to zero", warnfor); |
| 3354 | 906 |
| 4457 | 907 nr = (nr < 0) ? 0 : nr; |
| 908 nc = (nc < 0) ? 0 : nc; | |
| 3354 | 909 } |
| 910 } | |
| 911 | |
| 912 void | |
| 4513 | 913 check_dimensions (dim_vector& dim, const char *warnfor) |
| 4481 | 914 { |
| 915 bool neg = false; | |
| 916 | |
| 917 for (int i = 0; i < dim.length (); i++) | |
| 918 { | |
| 919 if (dim(i) < 0) | |
| 920 { | |
| 921 dim(i) = 0; | |
| 922 neg = true; | |
| 923 } | |
| 924 } | |
| 925 | |
| 5781 | 926 if (neg) |
| 927 warning_with_id ("Octave:neg-dim-as-zero", | |
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928 "%s: converting negative dimension to zero", warnfor); |
| 4481 | 929 } |
| 930 | |
| 931 | |
| 932 void | |
| 933 get_dimensions (const octave_value& a, const char *warn_for, | |
| 4513 | 934 dim_vector& dim) |
| 4481 | 935 { |
| 936 if (a.is_scalar_type ()) | |
| 937 { | |
| 938 dim.resize (2); | |
| 4732 | 939 dim(0) = a.int_value (); |
| 4481 | 940 dim(1) = dim(0); |
| 941 } | |
| 942 else | |
| 943 { | |
| 5275 | 944 octave_idx_type nr = a.rows (); |
| 945 octave_idx_type nc = a.columns (); | |
| 4481 | 946 |
| 947 if (nr == 1 || nc == 1) | |
| 948 { | |
| 949 Array<double> v = a.vector_value (); | |
| 950 | |
| 951 if (error_state) | |
| 952 return; | |
| 953 | |
| 5275 | 954 octave_idx_type n = v.length (); |
| 4481 | 955 dim.resize (n); |
| 5275 | 956 for (octave_idx_type i = 0; i < n; i++) |
| 4783 | 957 dim(i) = static_cast<int> (fix (v(i))); |
| 4481 | 958 } |
| 959 else | |
| 5257 | 960 error ("%s (A): use %s (size (A)) instead", warn_for, warn_for); |
| 4481 | 961 } |
| 962 | |
| 5258 | 963 if (! error_state) |
| 964 check_dimensions (dim, warn_for); // May set error_state. | |
| 4481 | 965 } |
| 966 | |
| 967 | |
| 968 void | |
| 3354 | 969 get_dimensions (const octave_value& a, const char *warn_for, |
|
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changeset
|
970 octave_idx_type& nr, octave_idx_type& nc) |
| 3354 | 971 { |
| 972 if (a.is_scalar_type ()) | |
| 973 { | |
| 4732 | 974 nr = nc = a.int_value (); |
| 3354 | 975 } |
| 976 else | |
| 977 { | |
| 978 nr = a.rows (); | |
| 979 nc = a.columns (); | |
| 980 | |
| 981 if ((nr == 1 && nc == 2) || (nr == 2 && nc == 1)) | |
|
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untabify src C++ source files
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diff
changeset
|
982 { |
|
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changeset
|
983 Array<double> v = a.vector_value (); |
| 3354 | 984 |
|
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changeset
|
985 if (error_state) |
|
57a59eae83cc
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|
986 return; |
| 3354 | 987 |
|
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|
988 nr = static_cast<octave_idx_type> (fix (v (0))); |
|
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|
989 nc = static_cast<octave_idx_type> (fix (v (1))); |
|
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|
990 } |
| 3354 | 991 else |
|
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|
992 error ("%s (A): use %s (size (A)) instead", warn_for, warn_for); |
| 3354 | 993 } |
| 994 | |
| 5258 | 995 if (! error_state) |
| 996 check_dimensions (nr, nc, warn_for); // May set error_state. | |
| 3354 | 997 } |
| 998 | |
| 999 void | |
| 1000 get_dimensions (const octave_value& a, const octave_value& b, | |
|
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|
1001 const char *warn_for, octave_idx_type& nr, octave_idx_type& nc) |
| 3354 | 1002 { |
| 4732 | 1003 nr = a.is_empty () ? 0 : a.int_value (); |
| 1004 nc = b.is_empty () ? 0 : b.int_value (); | |
| 3354 | 1005 |
| 1006 if (error_state) | |
| 1007 error ("%s: expecting two scalar arguments", warn_for); | |
| 1008 else | |
| 1009 check_dimensions (nr, nc, warn_for); // May set error_state. | |
| 1010 } | |
| 1011 | |
|
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|
1012 octave_idx_type |
|
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|
1013 dims_to_numel (const dim_vector& dims, const octave_value_list& idx) |
|
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avoid recursive overloaded calls in builtin numel
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|
1014 { |
|
5acd99c3e794
avoid recursive overloaded calls in builtin numel
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|
1015 octave_idx_type retval; |
|
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avoid recursive overloaded calls in builtin numel
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|
1016 |
|
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|
1017 octave_idx_type len = idx.length (); |
|
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avoid recursive overloaded calls in builtin numel
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|
1018 |
|
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avoid recursive overloaded calls in builtin numel
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|
1019 if (len == 0) |
|
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avoid recursive overloaded calls in builtin numel
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|
1020 retval = dims.numel (); |
|
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avoid recursive overloaded calls in builtin numel
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diff
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|
1021 else |
|
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avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
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|
1022 { |
|
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avoid recursive overloaded calls in builtin numel
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diff
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|
1023 const dim_vector dv = dims.redim (len); |
|
5acd99c3e794
avoid recursive overloaded calls in builtin numel
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|
1024 retval = 1; |
|
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avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
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9487
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|
1025 for (octave_idx_type i = 0; i < len; i++) |
|
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avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
1026 { |
|
9842
10519b4d6507
fix indexed numel for non-numeric indices
Jaroslav Hajek <highegg@gmail.com>
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9806
diff
changeset
|
1027 octave_value idxi = idx(i); |
|
10519b4d6507
fix indexed numel for non-numeric indices
Jaroslav Hajek <highegg@gmail.com>
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9806
diff
changeset
|
1028 if (idxi.is_magic_colon ()) |
|
9705
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avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
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9487
diff
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|
1029 retval *= dv(i); |
|
9842
10519b4d6507
fix indexed numel for non-numeric indices
Jaroslav Hajek <highegg@gmail.com>
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9806
diff
changeset
|
1030 else if (idxi.is_numeric_type ()) |
|
10519b4d6507
fix indexed numel for non-numeric indices
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
1031 retval *= idxi.numel (); |
|
9705
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avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
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|
1032 else |
|
9842
10519b4d6507
fix indexed numel for non-numeric indices
Jaroslav Hajek <highegg@gmail.com>
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9806
diff
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|
1033 { |
|
10519b4d6507
fix indexed numel for non-numeric indices
Jaroslav Hajek <highegg@gmail.com>
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9806
diff
changeset
|
1034 idx_vector jdx = idxi.index_vector (); |
|
10519b4d6507
fix indexed numel for non-numeric indices
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|
1035 if (error_state) |
|
10519b4d6507
fix indexed numel for non-numeric indices
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diff
changeset
|
1036 break; |
|
10519b4d6507
fix indexed numel for non-numeric indices
Jaroslav Hajek <highegg@gmail.com>
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9806
diff
changeset
|
1037 retval *= jdx.length (dv(i)); |
|
10519b4d6507
fix indexed numel for non-numeric indices
Jaroslav Hajek <highegg@gmail.com>
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diff
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|
1038 } |
|
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avoid recursive overloaded calls in builtin numel
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9487
diff
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|
1039 } |
|
5acd99c3e794
avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
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9487
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changeset
|
1040 } |
|
5acd99c3e794
avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
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changeset
|
1041 |
|
5acd99c3e794
avoid recursive overloaded calls in builtin numel
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|
1042 return retval; |
|
5acd99c3e794
avoid recursive overloaded calls in builtin numel
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diff
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|
1043 } |
|
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avoid recursive overloaded calls in builtin numel
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diff
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|
1044 |
|
10033
f349847c4541
optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
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diff
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|
1045 void |
|
f349847c4541
optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
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9842
diff
changeset
|
1046 decode_subscripts (const char* name, const octave_value& arg, |
|
10315
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|
1047 std::string& type_string, |
|
57a59eae83cc
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changeset
|
1048 std::list<octave_value_list>& idx) |
|
10033
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optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
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9842
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changeset
|
1049 { |
|
f349847c4541
optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
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|
1050 Octave_map m = arg.map_value (); |
|
f349847c4541
optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
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|
1051 |
|
f349847c4541
optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
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9842
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changeset
|
1052 if (! error_state |
|
f349847c4541
optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
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9842
diff
changeset
|
1053 && m.nfields () == 2 && m.contains ("type") && m.contains ("subs")) |
|
f349847c4541
optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
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9842
diff
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|
1054 { |
|
f349847c4541
optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
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9842
diff
changeset
|
1055 Cell& type = m.contents ("type"); |
|
f349847c4541
optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
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9842
diff
changeset
|
1056 Cell& subs = m.contents ("subs"); |
|
f349847c4541
optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
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changeset
|
1057 |
|
f349847c4541
optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
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9842
diff
changeset
|
1058 type_string = std::string (type.length(), '\0'); |
|
f349847c4541
optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
1059 |
|
f349847c4541
optimize cellfun (@subsref, args, {subs}, uniformoutput, true) case
Jaroslav Hajek <highegg@gmail.com>
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changeset
|
1060 for (int k = 0; k < type.length (); k++) |
|
10315
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|
1061 { |
|
57a59eae83cc
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changeset
|
1062 std::string item = type(k).string_value (); |
|
10033
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changeset
|
1063 |
|
10315
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|
1064 if (! error_state) |
|
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|
1065 { |
|
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changeset
|
1066 if (item == "{}") |
|
57a59eae83cc
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changeset
|
1067 type_string[k] = '{'; |
|
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|
1068 else if (item == "()") |
|
57a59eae83cc
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changeset
|
1069 type_string[k] = '('; |
|
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|
1070 else if (item == ".") |
|
57a59eae83cc
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|
1071 type_string[k] = '.'; |
|
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|
1072 else |
|
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|
1073 { |
|
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|
1074 error("%s: invalid indexing type `%s'", name, item.c_str ()); |
|
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|
1075 return; |
|
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|
1076 } |
|
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|
1077 } |
|
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|
1078 else |
|
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|
1079 { |
|
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|
1080 error ("%s: expecting type(%d) to be a character string", |
|
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|
1081 name, k+1); |
|
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|
1082 return; |
|
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|
1083 } |
|
10033
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|
1084 |
|
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|
1085 octave_value_list idx_item; |
|
10033
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|
1086 |
|
10315
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|
1087 if (subs(k).is_string ()) |
|
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|
1088 idx_item(0) = subs(k); |
|
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|
1089 else if (subs(k).is_cell ()) |
|
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|
1090 { |
|
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changeset
|
1091 Cell subs_cell = subs(k).cell_value (); |
|
10033
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changeset
|
1092 |
|
10315
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changeset
|
1093 for (int n = 0; n < subs_cell.length (); n++) |
|
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|
1094 { |
|
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|
1095 if (subs_cell(n).is_string () |
|
57a59eae83cc
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changeset
|
1096 && subs_cell(n).string_value () == ":") |
|
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changeset
|
1097 idx_item(n) = octave_value(octave_value::magic_colon_t); |
|
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|
1098 else |
|
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changeset
|
1099 idx_item(n) = subs_cell(n); |
|
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|
1100 } |
|
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|
1101 } |
|
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|
1102 else |
|
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|
1103 { |
|
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changeset
|
1104 error ("%s: expecting subs(%d) to be a character string or cell array", |
|
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1105 name, k+1); |
|
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1106 return; |
|
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|
1107 } |
|
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|
1108 |
|
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1109 idx.push_back (idx_item); |
|
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1110 } |
|
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1111 } |
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1112 else |
|
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1113 error ("%s: second argument must be a structure with fields `type' and `subs'", name); |
|
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1114 } |
|
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|
1115 |
| 4478 | 1116 Matrix |
| 5275 | 1117 identity_matrix (octave_idx_type nr, octave_idx_type nc) |
| 4478 | 1118 { |
| 1119 Matrix m (nr, nc, 0.0); | |
| 1120 | |
| 1121 if (nr > 0 && nc > 0) | |
| 1122 { | |
| 5275 | 1123 octave_idx_type n = std::min (nr, nc); |
| 4478 | 1124 |
| 5275 | 1125 for (octave_idx_type i = 0; i < n; i++) |
|
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1126 m (i, i) = 1.0; |
| 4478 | 1127 } |
| 1128 | |
| 1129 return m; | |
| 1130 } | |
| 1131 | |
|
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|
1132 FloatMatrix |
|
82be108cc558
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|
1133 float_identity_matrix (octave_idx_type nr, octave_idx_type nc) |
|
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|
1134 { |
|
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|
1135 FloatMatrix m (nr, nc, 0.0); |
|
82be108cc558
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|
1136 |
|
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|
1137 if (nr > 0 && nc > 0) |
|
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|
1138 { |
|
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|
1139 octave_idx_type n = std::min (nr, nc); |
|
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|
1140 |
|
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|
1141 for (octave_idx_type i = 0; i < n; i++) |
|
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1142 m (i, i) = 1.0; |
|
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|
1143 } |
|
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|
1144 |
|
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|
1145 return m; |
|
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|
1146 } |
|
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|
1147 |
|
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|
1148 int |
| 3622 | 1149 octave_format (std::ostream& os, const char *fmt, ...) |
| 3620 | 1150 { |
| 1151 int retval = -1; | |
| 1152 | |
| 1153 va_list args; | |
| 1154 va_start (args, fmt); | |
| 1155 | |
| 1156 retval = octave_vformat (os, fmt, args); | |
| 1157 | |
| 1158 va_end (args); | |
| 1159 | |
| 1160 return retval; | |
| 1161 } | |
| 1162 | |
|
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1163 int |
| 3622 | 1164 octave_vformat (std::ostream& os, const char *fmt, va_list args) |
| 3620 | 1165 { |
| 1166 int retval = -1; | |
| 1167 | |
| 3775 | 1168 #if defined (__GNUG__) && !CXX_ISO_COMPLIANT_LIBRARY |
| 3620 | 1169 |
| 4135 | 1170 std::streambuf *sb = os.rdbuf (); |
| 1171 | |
| 1172 if (sb) | |
| 4302 | 1173 { |
| 1174 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; | |
| 1175 | |
| 1176 retval = sb->vform (fmt, args); | |
| 1177 | |
| 1178 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; | |
| 1179 } | |
| 3620 | 1180 |
| 1181 #else | |
| 1182 | |
| 1183 char *s = octave_vsnprintf (fmt, args); | |
| 1184 | |
| 1185 if (s) | |
| 1186 { | |
| 1187 os << s; | |
| 1188 | |
| 1189 retval = strlen (s); | |
| 1190 } | |
| 1191 | |
| 1192 #endif | |
| 1193 | |
| 1194 return retval; | |
| 1195 } | |
| 1196 | |
| 4302 | 1197 // We manage storage. User should not free it, and its contents are |
| 1198 // only valid until next call to vsnprintf. | |
| 1199 | |
| 1200 // Interrupts might happen if someone makes a call with something that | |
| 1201 // will require a very large buffer. If we are interrupted in that | |
| 1202 // case, we should make the buffer size smaller for the next call. | |
| 1203 | |
| 1204 #define BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE_FOR_VSNPRINTF \ | |
| 1205 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE_1; \ | |
| 1206 delete [] buf; \ | |
| 1207 buf = 0; \ | |
| 1208 size = initial_size; \ | |
|
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|
1209 octave_rethrow_exception (); \ |
| 4302 | 1210 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE_2 |
| 1211 | |
| 4485 | 1212 #if defined __GNUC__ && defined __va_copy |
| 1213 #define SAVE_ARGS(saved_args, args) __va_copy (saved_args, args) | |
| 1214 #elif defined va_copy | |
| 1215 #define SAVE_ARGS(saved_args, args) va_copy (saved_args, args) | |
| 1216 #else | |
| 1217 #define SAVE_ARGS(saved_args, args) saved_args = args | |
| 1218 #endif | |
| 1219 | |
| 4302 | 1220 char * |
| 1221 octave_vsnprintf (const char *fmt, va_list args) | |
| 1222 { | |
| 1223 static const size_t initial_size = 100; | |
| 1224 | |
| 1225 static size_t size = initial_size; | |
| 1226 | |
| 1227 static char *buf = 0; | |
| 1228 | |
|
8929
379297a149f0
utils.cc (octave_vsnprintf): avoid uninitialized variable warning
John W. Eaton <jwe@octave.org>
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diff
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|
1229 int nchars = 0; |
| 4302 | 1230 |
| 1231 if (! buf) | |
| 1232 buf = new char [size]; | |
| 1233 | |
| 1234 if (! buf) | |
| 1235 return 0; | |
| 1236 | |
| 1237 while (1) | |
| 1238 { | |
| 4485 | 1239 va_list saved_args; |
| 1240 | |
| 1241 SAVE_ARGS (saved_args, args); | |
| 1242 | |
| 4302 | 1243 BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE_FOR_VSNPRINTF; |
| 1244 | |
| 4485 | 1245 nchars = octave_raw_vsnprintf (buf, size, fmt, saved_args); |
| 1246 | |
| 1247 va_end (saved_args); | |
| 4302 | 1248 |
| 1249 END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; | |
| 1250 | |
|
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|
1251 if (nchars > -1 && nchars < size) |
|
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|
1252 break; |
| 4302 | 1253 else |
|
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|
1254 { |
|
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|
1255 delete [] buf; |
| 4302 | 1256 |
|
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|
1257 size = nchars + 1;; |
|
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|
1258 |
|
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|
1259 buf = new char [size]; |
| 4302 | 1260 |
|
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|
1261 if (! buf) |
|
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|
1262 return 0; |
|
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|
1263 } |
| 4302 | 1264 } |
| 1265 | |
| 1266 return buf; | |
| 1267 } | |
| 1268 | |
| 1269 char * | |
| 1270 octave_snprintf (const char *fmt, ...) | |
| 1271 { | |
| 1272 char *retval = 0; | |
| 1273 | |
| 1274 va_list args; | |
| 1275 va_start (args, fmt); | |
| 1276 | |
| 1277 retval = octave_vsnprintf (fmt, args); | |
| 1278 | |
| 1279 va_end (args); | |
| 1280 | |
| 1281 return retval; | |
| 1282 } | |
| 1283 | |
| 4086 | 1284 void |
| 1285 octave_sleep (double seconds) | |
| 1286 { | |
| 1287 if (seconds > 0) | |
| 1288 { | |
| 1289 double t; | |
| 1290 | |
| 4093 | 1291 unsigned int usec |
|
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1292 = static_cast<unsigned int> (modf (seconds, &t) * 1000000); |
| 4086 | 1293 |
| 4093 | 1294 unsigned int sec |
|
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|
1295 = (t > UINT_MAX) ? UINT_MAX : static_cast<unsigned int> (t); |
| 4086 | 1296 |
| 5770 | 1297 // Versions of these functions that accept unsigned int args are |
| 1298 // defined in cutils.c. | |
| 4086 | 1299 octave_sleep (sec); |
| 1300 octave_usleep (usec); | |
|
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|
1301 |
|
10142
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|
1302 octave_quit (); |
| 4086 | 1303 } |
| 1304 } | |
| 1305 | |
|
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|
1306 DEFUN (isindex, args, , |
|
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|
1307 "-*- texinfo -*-\n\ |
|
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1308 @deftypefn {Built-in Function} {} isindex (@var{ind}, @var{n})\n\ |
|
9758
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Periodic grammar check of Octave documentation files to ensure common format
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1309 Returns true if @var{ind} is a valid index. Valid indices can be\n\ |
|
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1310 either positive integers (though possibly real data), or logical arrays.\n\ |
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1311 If present, @var{n} specifies the extent of the dimension to be indexed.\n\ |
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1312 Note that, if possible, the internal conversion result is cached so that\n\ |
|
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1313 subsequent indexing will not perform the checking again.\n\ |
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1314 @end deftypefn") |
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|
1315 { |
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1316 octave_value retval; |
|
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1317 int nargin = args.length (); |
|
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1318 octave_idx_type n = 0; |
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1319 |
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1320 if (nargin == 2) |
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1321 n = args(1).idx_type_value (); |
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1322 else if (nargin != 1) |
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1323 print_usage (); |
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1324 |
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1325 if (! error_state) |
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1326 { |
|
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1327 unwind_protect frame; |
|
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1328 frame.protect_var (error_state); |
|
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1329 frame.protect_var (discard_error_messages); |
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1330 discard_error_messages = true; |
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1331 |
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1332 try |
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1333 { |
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1334 idx_vector idx = args(0).index_vector (); |
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1335 if (! error_state) |
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1336 { |
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1337 if (nargin == 2) |
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1338 retval = idx.extent (n) <= n; |
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1339 else |
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1340 retval = true; |
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1341 } |
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1342 else |
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1343 retval = false; |
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1344 } |
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1345 catch (octave_execution_exception) |
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1346 { |
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1347 retval = false; |
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1348 } |
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1349 } |
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changeset
|
1350 |
|
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1351 return retval; |
|
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1352 } |
|
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1353 |
|
10086
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1354 octave_value_list |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1355 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:
10070
diff
changeset
|
1356 const char *fun_name, const octave_value_list& args, |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1357 int nargout) |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1358 { |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1359 octave_value_list new_args = args, retval; |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1360 int nargin = args.length (); |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1361 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
|
1362 OCTAVE_LOCAL_BUFFER (Cell, cells, nargin); |
|
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1363 OCTAVE_LOCAL_BUFFER (Cell, rcells, nargout); |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1364 |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1365 const Cell *ccells = cells; |
|
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1366 |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1367 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
|
1368 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
|
1369 |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1370 for (int i = 0; i < nargin; i++) |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1371 { |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1372 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
|
1373 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
|
1374 if (iscell[i]) |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1375 { |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1376 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
|
1377 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
|
1378 if (n == 1) |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1379 { |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1380 iscell[i] = false; |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1381 new_args(i) = ccells[i](0); |
|
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1382 } |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1383 else if (numel == 1) |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1384 { |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1385 numel = n; |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1386 dims = ccells[i].dims (); |
|
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1387 } |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1388 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
|
1389 { |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1390 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
|
1391 break; |
|
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1392 } |
|
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1393 } |
|
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1394 } |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1395 |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1396 if (! error_state) |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1397 { |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1398 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
|
1399 rcells[i].clear (dims); |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1400 |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1401 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
|
1402 { |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1403 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
|
1404 if (iscell[i]) |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1405 new_args(i) = ccells[i](j); |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1406 |
|
10142
829e69ec3110
make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents:
10086
diff
changeset
|
1407 octave_quit (); |
|
10086
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1408 |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1409 const octave_value_list tmp = fun (new_args, nargout); |
|
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1410 |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1411 if (tmp.length () < nargout) |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1412 { |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1413 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:
10070
diff
changeset
|
1414 break; |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1415 } |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1416 else |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1417 { |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1418 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
|
1419 rcells[i](j) = tmp(i); |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1420 } |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1421 } |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1422 } |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1423 |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1424 if (! error_state) |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1425 { |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1426 retval.resize (nargout); |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1427 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
|
1428 retval(i) = rcells[i]; |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1429 } |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1430 |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1431 return retval; |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
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 |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1434 octave_value |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1435 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:
10070
diff
changeset
|
1436 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
|
1437 { |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1438 octave_value retval; |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1439 const octave_value_list tmp = do_simple_cellfun (fun, fun_name, args, 1); |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
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parents:
10070
diff
changeset
|
1440 if (tmp.length () > 0) |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1441 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
|
1442 |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
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parents:
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diff
changeset
|
1443 return retval; |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1444 } |