Mercurial > octave-nkf
annotate libinterp/corefcn/utils.cc @ 20591:0650b8431037
eliminate more simple uses of error_state
* besselj.cc, bitfcns.cc, utils.cc, chol.cc, ov-java.cc:
Eliminate simple uses of error_state.
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Mon, 05 Oct 2015 21:37:03 -0400 |
| parents | dd6345fd8a97 |
| children | ba2b07c13913 |
| rev | line source |
|---|---|
| 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 |
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270 octave_idx_type len = sv.numel (); |
| 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 { | |
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281 octave_idx_type len = sv.numel (); |
| 6379 | 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 \n\ |
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299 If no file is found, return an empty character string.\n\ |
| 4216 | 300 \n\ |
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301 If the first argument is a cell array of strings, search each directory of\n\ |
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302 the loadpath for element of the cell array and return the first that\n\ |
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303 matches.\n\ |
| 4243 | 304 \n\ |
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305 If the second optional argument @qcode{\"all\"} is supplied, return a cell\n\ |
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306 array containing the list of all files that have the same name in the path.\n\ |
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307 If no files are found, return an empty cell array.\n\ |
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308 @seealso{file_in_path, dir_in_loadpath, path}\n\ |
| 5642 | 309 @end deftypefn") |
| 3195 | 310 { |
| 4216 | 311 octave_value retval; |
| 3195 | 312 |
| 4243 | 313 int nargin = args.length (); |
| 3195 | 314 |
| 4243 | 315 if (nargin == 1 || nargin == 2) |
| 4216 | 316 { |
| 4243 | 317 string_vector names = args(0).all_strings (); |
| 318 | |
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319 if (! error_state && names.numel () > 0) |
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320 { |
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321 if (nargin == 1) |
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322 retval = |
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323 octave_env::make_absolute (load_path::find_first_of (names)); |
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324 else if (nargin == 2) |
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325 { |
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326 std::string opt = args(1).string_value (); |
| 4243 | 327 |
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328 if (! error_state && opt == "all") |
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329 retval = Cell (make_absolute |
| 10250 | 330 (load_path::find_all_first_of (names))); |
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331 else |
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332 error ("file_in_loadpath: invalid option"); |
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333 } |
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334 } |
| 4216 | 335 else |
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336 error ("file_in_loadpath: FILE argument must be a string"); |
| 4216 | 337 } |
| 3195 | 338 else |
| 5823 | 339 print_usage (); |
| 3195 | 340 |
| 341 return retval; | |
| 342 } | |
| 343 | |
| 13094 | 344 /* |
| 345 %!test | |
| 346 %! f = file_in_loadpath ("plot.m"); | |
| 347 %! assert (ischar (f)); | |
| 348 %! assert (! isempty (f)); | |
| 349 | |
| 350 %!test | |
| 351 %! f = file_in_loadpath ("$$probably_!!_not_&&_a_!!_file$$"); | |
| 352 %! assert (f, ""); | |
| 353 | |
| 354 %!test | |
| 355 %! lst = file_in_loadpath ("$$probably_!!_not_&&_a_!!_file$$", "all"); | |
| 356 %! assert (lst, {}); | |
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357 |
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358 %!error file_in_loadpath () |
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359 %!error file_in_loadpath ("foo", "bar", 1) |
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360 %!error file_in_loadpath ([]) |
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361 %!error file_in_loadpath ("plot.m", "bar") |
| 13094 | 362 */ |
| 363 | |
| 1957 | 364 DEFUN (file_in_path, args, , |
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365 "-*- texinfo -*-\n\ |
| 10840 | 366 @deftypefn {Built-in Function} {} file_in_path (@var{path}, @var{file})\n\ |
| 4216 | 367 @deftypefnx {Built-in Function} {} file_in_path (@var{path}, @var{file}, \"all\")\n\ |
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368 Return the absolute name of @var{file} if it can be found in @var{path}.\n\ |
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369 \n\ |
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370 The value of @var{path} should be a colon-separated list of directories in\n\ |
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371 the format described for @code{path}. If no file is found, return an empty\n\ |
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372 character string. For example:\n\ |
| 3301 | 373 \n\ |
| 374 @example\n\ | |
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375 @group\n\ |
| 5456 | 376 file_in_path (EXEC_PATH, \"sh\")\n\ |
| 377 @result{} \"/bin/sh\"\n\ | |
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378 @end group\n\ |
| 3301 | 379 @end example\n\ |
| 4216 | 380 \n\ |
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381 If the second argument is a cell array of strings, search each directory of\n\ |
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382 the path for element of the cell array and return the first that matches.\n\ |
| 4243 | 383 \n\ |
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384 If the third optional argument @qcode{\"all\"} is supplied, return a cell\n\ |
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385 array containing the list of all files that have the same name in the path.\n\ |
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386 If no files are found, return an empty cell array.\n\ |
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387 @seealso{file_in_loadpath, dir_in_loadpath, path}\n\ |
| 3301 | 388 @end deftypefn") |
| 686 | 389 { |
| 4216 | 390 octave_value retval; |
| 686 | 391 |
| 4243 | 392 int nargin = args.length (); |
| 1755 | 393 |
| 4243 | 394 if (nargin == 2 || nargin == 3) |
| 686 | 395 { |
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396 if (args(0).is_string ()) |
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397 { |
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398 std::string path = args(0).string_value (); |
| 4243 | 399 |
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400 string_vector names = args(1).all_strings (); |
| 4243 | 401 |
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402 if (! error_state && names.numel () > 0) |
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403 { |
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404 if (nargin == 2) |
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405 retval = search_path_for_file (path, names); |
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406 else if (nargin == 3) |
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407 { |
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408 std::string opt = args(2).string_value (); |
| 4243 | 409 |
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410 if (! error_state && opt == "all") |
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411 retval = Cell (make_absolute |
| 10250 | 412 (search_path_for_all_files (path, names))); |
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413 else |
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414 error ("file_in_path: invalid option"); |
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415 } |
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416 } |
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417 else |
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418 error ("file_in_path: all arguments must be strings"); |
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419 } |
| 1755 | 420 else |
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421 error ("file_in_path: PATH must be a string"); |
| 686 | 422 } |
| 423 else | |
| 5823 | 424 print_usage (); |
| 686 | 425 |
| 426 return retval; | |
| 427 } | |
| 428 | |
| 13094 | 429 /* |
| 430 %!test | |
| 431 %! f = file_in_path (path (), "plot.m"); | |
| 432 %! assert (ischar (f)); | |
| 433 %! assert (! isempty (f)); | |
| 434 | |
| 435 %!test | |
| 436 %! f = file_in_path (path (), "$$probably_!!_not_&&_a_!!_file$$"); | |
| 437 %! assert (f, ""); | |
| 438 | |
| 439 %!test | |
| 440 %! lst = file_in_path (path (), "$$probably_!!_not_&&_a_!!_file$$", "all"); | |
| 441 %! assert (lst, {}); | |
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442 |
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443 %!error file_in_path () |
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444 %!error file_in_path ("foo") |
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445 %!error file_in_path ("foo", "bar", "baz", 1) |
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446 %!error file_in_path ([]) |
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447 %!error file_in_path (path (), []) |
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448 %!error file_in_path (path (), "plot.m", "bar") |
| 13094 | 449 */ |
| 450 | |
| 3536 | 451 std::string |
| 3523 | 452 file_in_path (const std::string& name, const std::string& suffix) |
| 526 | 453 { |
| 3523 | 454 std::string nm = name; |
| 526 | 455 |
| 1755 | 456 if (! suffix.empty ()) |
| 457 nm.append (suffix); | |
| 686 | 458 |
| 10250 | 459 return octave_env::make_absolute (load_path::find_file (nm)); |
| 526 | 460 } |
| 461 | |
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462 std::string |
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463 find_data_file_in_load_path (const std::string& fcn, |
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464 const std::string& file, |
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465 bool require_regular_file) |
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466 { |
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467 std::string fname = file; |
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468 |
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469 if (! (octave_env::absolute_pathname (fname) |
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470 || octave_env::rooted_relative_pathname (fname))) |
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471 { |
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472 // Load path will also search "." first, but we don't want to |
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473 // issue a warning if the file is found in the current directory, |
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474 // so do an explicit check for that. |
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475 |
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476 file_stat fs (fname); |
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477 |
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478 bool local_file_ok |
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479 = fs.exists () && (fs.is_reg () || ! require_regular_file); |
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480 |
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481 if (! local_file_ok) |
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482 { |
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483 // Not directly found; search load path. |
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484 |
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485 std::string tmp |
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486 = octave_env::make_absolute (load_path::find_file (fname)); |
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487 |
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488 if (! tmp.empty ()) |
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489 { |
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490 gripe_data_file_in_path (fcn, tmp); |
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491 |
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492 fname = tmp; |
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493 } |
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494 } |
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495 } |
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496 |
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497 return fname; |
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498 } |
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499 |
| 581 | 500 // See if there is an function file in the path. If so, return the |
| 501 // full path to the file. | |
| 502 | |
| 3536 | 503 std::string |
| 3523 | 504 fcn_file_in_path (const std::string& name) |
| 526 | 505 { |
| 3523 | 506 std::string retval; |
| 908 | 507 |
| 1755 | 508 int len = name.length (); |
|
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509 |
| 1755 | 510 if (len > 0) |
| 511 { | |
| 5832 | 512 if (octave_env::absolute_pathname (name)) |
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513 { |
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514 file_stat fs (name); |
| 5832 | 515 |
|
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516 if (fs.exists () && ! fs.is_dir ()) |
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517 retval = name; |
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518 } |
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519 else if (len > 2 && name[len - 2] == '.' && name[len - 1] == 'm') |
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520 retval = load_path::find_fcn_file (name.substr (0, len-2)); |
| 908 | 521 else |
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522 { |
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523 std::string fname = name; |
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524 size_t pos = name.find_first_of (Vfilemarker); |
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525 if (pos != std::string::npos) |
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526 fname = name.substr (0, pos); |
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527 |
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528 retval = load_path::find_fcn_file (fname); |
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529 } |
| 908 | 530 } |
| 1755 | 531 |
| 532 return retval; | |
| 526 | 533 } |
| 534 | |
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535 // See if there is a directory called "name" in the path and if it |
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536 // contains a Contents.m file return the full path to this file. |
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537 |
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538 std::string |
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539 contents_file_in_path (const std::string& dir) |
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540 { |
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541 std::string retval; |
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542 |
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543 if (dir.length () > 0) |
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544 { |
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545 std::string tcontents = file_ops::concat (load_path::find_dir (dir), |
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546 std::string ("Contents.m")); |
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547 |
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548 file_stat fs (tcontents); |
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549 |
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550 if (fs.exists ()) |
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551 retval = octave_env::make_absolute (tcontents); |
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552 } |
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553 |
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554 return retval; |
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555 } |
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556 |
| 5864 | 557 // See if there is a .oct file in the path. If so, return the |
| 581 | 558 // full path to the file. |
| 559 | |
| 3536 | 560 std::string |
| 3523 | 561 oct_file_in_path (const std::string& name) |
| 572 | 562 { |
| 3523 | 563 std::string retval; |
| 908 | 564 |
| 1755 | 565 int len = name.length (); |
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566 |
| 1755 | 567 if (len > 0) |
| 568 { | |
| 5832 | 569 if (octave_env::absolute_pathname (name)) |
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570 { |
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571 file_stat fs (name); |
| 5832 | 572 |
|
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573 if (fs.exists ()) |
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574 retval = name; |
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575 } |
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576 else if (len > 4 && name[len - 4] == '.' && name[len - 3] == 'o' |
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577 && name[len - 2] == 'c' && name[len - 1] == 't') |
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578 retval = load_path::find_oct_file (name.substr (0, len-4)); |
| 908 | 579 else |
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580 retval = load_path::find_oct_file (name); |
| 908 | 581 } |
| 1755 | 582 |
| 583 return retval; | |
| 572 | 584 } |
| 585 | |
| 5864 | 586 // See if there is a .mex file in the path. If so, return the |
| 587 // full path to the file. | |
| 588 | |
| 589 std::string | |
| 590 mex_file_in_path (const std::string& name) | |
| 591 { | |
| 592 std::string retval; | |
| 593 | |
| 594 int len = name.length (); | |
|
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595 |
| 5864 | 596 if (len > 0) |
| 597 { | |
| 598 if (octave_env::absolute_pathname (name)) | |
|
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599 { |
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600 file_stat fs (name); |
| 5864 | 601 |
|
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602 if (fs.exists ()) |
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603 retval = name; |
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604 } |
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|
605 else if (len > 4 && name[len - 4] == '.' && name[len - 3] == 'm' |
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606 && name[len - 2] == 'e' && name[len - 1] == 'x') |
|
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607 retval = load_path::find_mex_file (name.substr (0, len-4)); |
| 5864 | 608 else |
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609 retval = load_path::find_mex_file (name); |
| 5864 | 610 } |
| 611 | |
| 612 return retval; | |
| 613 } | |
| 614 | |
| 3103 | 615 // Replace backslash escapes in a string with the real values. |
| 616 | |
| 3536 | 617 std::string |
| 3523 | 618 do_string_escapes (const std::string& s) |
| 3103 | 619 { |
| 3523 | 620 std::string retval; |
| 3103 | 621 |
| 622 size_t i = 0; | |
| 623 size_t j = 0; | |
| 624 size_t len = s.length (); | |
| 625 | |
| 626 retval.resize (len); | |
| 627 | |
| 628 while (j < len) | |
| 629 { | |
| 630 if (s[j] == '\\' && j+1 < len) | |
|
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631 { |
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632 switch (s[++j]) |
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633 { |
|
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634 case 'a': // alarm |
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635 retval[i] = '\a'; |
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636 break; |
| 3103 | 637 |
|
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638 case 'b': // backspace |
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639 retval[i] = '\b'; |
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640 break; |
| 3103 | 641 |
|
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642 case 'f': // formfeed |
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643 retval[i] = '\f'; |
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644 break; |
| 3103 | 645 |
|
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646 case 'n': // newline |
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647 retval[i] = '\n'; |
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648 break; |
| 3103 | 649 |
|
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650 case 'r': // carriage return |
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651 retval[i] = '\r'; |
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652 break; |
| 3103 | 653 |
|
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654 case 't': // horizontal tab |
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655 retval[i] = '\t'; |
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656 break; |
| 3103 | 657 |
|
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658 case 'v': // vertical tab |
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659 retval[i] = '\v'; |
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660 break; |
| 3103 | 661 |
|
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662 case '\\': // backslash |
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663 retval[i] = '\\'; |
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664 break; |
| 3103 | 665 |
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666 case '\'': // quote |
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667 retval[i] = '\''; |
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668 break; |
| 3103 | 669 |
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670 case '"': // double quote |
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671 retval[i] = '"'; |
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672 break; |
| 3103 | 673 |
|
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674 case '0': |
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675 case '1': |
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676 case '2': |
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677 case '3': |
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678 case '4': |
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679 case '5': |
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680 case '6': |
|
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Add support for octal and hex escape sequences in single-quoted *printf arguments (bug #39774).
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681 case '7': // octal input |
|
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682 { |
|
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683 size_t k; |
|
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684 int tmpi = s[j] - '0'; |
|
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685 for (k = j+1; k < std::min (j+3, len); k++) |
|
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686 { |
|
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687 int digit = s[k] - '0'; |
|
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688 if (digit < 0 || digit > 7) |
|
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689 break; |
|
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|
690 tmpi <<= 3; |
|
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|
691 tmpi += digit; |
|
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692 } |
|
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693 retval[i] = tmpi; |
|
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694 j = k - 1; |
|
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|
695 break; |
|
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|
696 } |
|
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|
697 |
|
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698 case 'x': // hex input |
|
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699 { |
|
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700 size_t k; |
|
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701 int tmpi = 0; |
|
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702 for (k = j+1; k < std::min (j+3, len); k++) |
|
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703 { |
|
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|
704 if (! isxdigit (s[k])) |
|
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705 break; |
|
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|
706 |
|
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|
707 tmpi <<= 4; |
|
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|
708 int digit = s[k]; |
|
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Add support for octal and hex escape sequences in single-quoted *printf arguments (bug #39774).
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709 if (digit >= 'a') |
|
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Add support for octal and hex escape sequences in single-quoted *printf arguments (bug #39774).
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710 tmpi += digit - 'a' + 10; |
|
29eb47fe8e8c
Add support for octal and hex escape sequences in single-quoted *printf arguments (bug #39774).
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|
711 else if (digit >= 'A') |
|
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712 tmpi += digit - 'A' + 10; |
|
29eb47fe8e8c
Add support for octal and hex escape sequences in single-quoted *printf arguments (bug #39774).
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|
713 else |
|
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714 tmpi += digit - '0'; |
|
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715 } |
|
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|
716 |
|
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|
717 if (k == j+1) |
|
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|
718 warning ("malformed hex escape sequence '\\x' --\ |
|
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|
719 converting to '\\0'"); |
|
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|
720 |
|
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|
721 retval[i] = tmpi; |
|
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|
722 j = k - 1; |
|
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Add support for octal and hex escape sequences in single-quoted *printf arguments (bug #39774).
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|
723 break; |
|
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|
724 } |
|
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Add support for octal and hex escape sequences in single-quoted *printf arguments (bug #39774).
Rik <rik@octave.org>
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|
725 |
|
10315
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John W. Eaton <jwe@octave.org>
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|
726 default: |
|
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
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|
727 warning ("unrecognized escape sequence '\\%c' --\ |
|
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John W. Eaton <jwe@octave.org>
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|
728 converting to '%c'", s[j], s[j]); |
|
10315
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John W. Eaton <jwe@octave.org>
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|
729 retval[i] = s[j]; |
|
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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diff
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|
730 break; |
|
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John W. Eaton <jwe@octave.org>
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|
731 } |
|
57a59eae83cc
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John W. Eaton <jwe@octave.org>
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changeset
|
732 } |
| 3103 | 733 else |
|
10315
57a59eae83cc
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|
734 { |
|
57a59eae83cc
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|
735 retval[i] = s[j]; |
|
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John W. Eaton <jwe@octave.org>
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changeset
|
736 } |
| 3103 | 737 |
| 738 i++; | |
| 739 j++; | |
| 740 } | |
| 741 | |
| 3105 | 742 retval.resize (i); |
| 3103 | 743 |
| 744 return retval; | |
| 745 } | |
| 746 | |
| 747 DEFUN (do_string_escapes, args, , | |
|
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
748 "-*- texinfo -*-\n\ |
| 3446 | 749 @deftypefn {Built-in Function} {} do_string_escapes (@var{string})\n\ |
|
20207
4f45eaf83908
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Rik <rik@octave.org>
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diff
changeset
|
750 Convert escape sequences in @var{string} to the characters they represent.\n\ |
|
4f45eaf83908
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Rik <rik@octave.org>
parents:
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diff
changeset
|
751 \n\ |
|
4f45eaf83908
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Rik <rik@octave.org>
parents:
20136
diff
changeset
|
752 Escape sequences begin with a leading backslash\n\ |
|
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20136
diff
changeset
|
753 (@qcode{'@xbackslashchar{}'}) followed by 1--3 characters\n\ |
|
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20136
diff
changeset
|
754 (.e.g., @qcode{\"@xbackslashchar{}n\"} => newline).\n\ |
|
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20136
diff
changeset
|
755 @seealso{undo_string_escapes}\n\ |
| 3446 | 756 @end deftypefn") |
| 3103 | 757 { |
| 758 octave_value retval; | |
| 759 | |
| 760 int nargin = args.length (); | |
| 761 | |
| 762 if (nargin == 1) | |
| 763 { | |
| 764 if (args(0).is_string ()) | |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
765 retval = do_string_escapes (args(0).string_value ()); |
| 3103 | 766 else |
|
12483
7a5aacf65f81
Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents:
11586
diff
changeset
|
767 error ("do_string_escapes: STRING argument must be of type string"); |
| 3103 | 768 } |
| 769 else | |
| 5823 | 770 print_usage (); |
| 3103 | 771 |
| 772 return retval; | |
| 773 } | |
| 774 | |
| 13094 | 775 /* |
|
14429
eff4a5933e28
Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
776 %!assert (do_string_escapes ('foo\nbar'), "foo\nbar") |
|
eff4a5933e28
Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
777 %!assert (do_string_escapes ("foo\\nbar"), "foo\nbar") |
|
eff4a5933e28
Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
778 %!assert (do_string_escapes ("foo\\nbar"), ["foo", char(10), "bar"]) |
|
eff4a5933e28
Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
779 %!assert ("foo\nbar", ["foo", char(10), "bar"]) |
| 13094 | 780 |
|
19172
ebeb3defae37
codesprint: Add tests to various interpreter utility functions
Mike Miller <mtmiller@ieee.org>
parents:
19162
diff
changeset
|
781 %!assert (do_string_escapes ('\0\a\b\f\n\r\t\v'), "\0\a\b\f\n\r\t\v") |
|
ebeb3defae37
codesprint: Add tests to various interpreter utility functions
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parents:
19162
diff
changeset
|
782 %!assert (do_string_escapes ("\\0\\a\\b\\f\\n\\r\\t\\v"), "\0\a\b\f\n\r\t\v") |
|
ebeb3defae37
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Mike Miller <mtmiller@ieee.org>
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diff
changeset
|
783 %!assert (do_string_escapes ("\\0\\a\\b\\f\\n\\r\\t\\v"), |
|
ebeb3defae37
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Mike Miller <mtmiller@ieee.org>
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diff
changeset
|
784 %! char ([0, 7, 8, 12, 10, 13, 9, 11])) |
|
ebeb3defae37
codesprint: Add tests to various interpreter utility functions
Mike Miller <mtmiller@ieee.org>
parents:
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diff
changeset
|
785 %!assert ("\0\a\b\f\n\r\t\v", char ([0, 7, 8, 12, 10, 13, 9, 11])) |
|
ebeb3defae37
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Mike Miller <mtmiller@ieee.org>
parents:
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diff
changeset
|
786 |
|
ebeb3defae37
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Mike Miller <mtmiller@ieee.org>
parents:
19162
diff
changeset
|
787 %!assert (do_string_escapes ('\\'), "\\") |
|
ebeb3defae37
codesprint: Add tests to various interpreter utility functions
Mike Miller <mtmiller@ieee.org>
parents:
19162
diff
changeset
|
788 %!assert (do_string_escapes ("\\\\"), "\\") |
|
ebeb3defae37
codesprint: Add tests to various interpreter utility functions
Mike Miller <mtmiller@ieee.org>
parents:
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diff
changeset
|
789 %!assert (do_string_escapes ("\\\\"), char (92)) |
|
ebeb3defae37
codesprint: Add tests to various interpreter utility functions
Mike Miller <mtmiller@ieee.org>
parents:
19162
diff
changeset
|
790 |
|
ebeb3defae37
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Mike Miller <mtmiller@ieee.org>
parents:
19162
diff
changeset
|
791 %!assert (do_string_escapes ('\''single-quoted\'''), "'single-quoted'") |
|
ebeb3defae37
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Mike Miller <mtmiller@ieee.org>
parents:
19162
diff
changeset
|
792 %!assert (do_string_escapes ("\\'single-quoted\\'"), "'single-quoted'") |
|
ebeb3defae37
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Mike Miller <mtmiller@ieee.org>
parents:
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diff
changeset
|
793 %!assert (do_string_escapes ('\"double-quoted\"'), "\"double-quoted\"") |
|
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Mike Miller <mtmiller@ieee.org>
parents:
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diff
changeset
|
794 %!assert (do_string_escapes ("\\\"double-quoted\\\""), "\"double-quoted\"") |
| 13094 | 795 |
|
20245
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Add support for octal and hex escape sequences in single-quoted *printf arguments (bug #39774).
Rik <rik@octave.org>
parents:
20229
diff
changeset
|
796 %!assert (do_string_escapes ('A\4B'), ["A" char(4) "B"]) |
|
29eb47fe8e8c
Add support for octal and hex escape sequences in single-quoted *printf arguments (bug #39774).
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20229
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changeset
|
797 %!assert (do_string_escapes ('A\45B'), ["A" char(37) "B"]) |
|
29eb47fe8e8c
Add support for octal and hex escape sequences in single-quoted *printf arguments (bug #39774).
Rik <rik@octave.org>
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20229
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changeset
|
798 %!assert (do_string_escapes ('A\123B'), ["A" char(83) "B"]) |
|
29eb47fe8e8c
Add support for octal and hex escape sequences in single-quoted *printf arguments (bug #39774).
Rik <rik@octave.org>
parents:
20229
diff
changeset
|
799 %!assert (sprintf ('\117\143\164\141\166\145'), "Octave") |
|
29eb47fe8e8c
Add support for octal and hex escape sequences in single-quoted *printf arguments (bug #39774).
Rik <rik@octave.org>
parents:
20229
diff
changeset
|
800 |
|
29eb47fe8e8c
Add support for octal and hex escape sequences in single-quoted *printf arguments (bug #39774).
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parents:
20229
diff
changeset
|
801 %!assert (do_string_escapes ('A\x4G'), ["A" char(4) "G"]) |
|
29eb47fe8e8c
Add support for octal and hex escape sequences in single-quoted *printf arguments (bug #39774).
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20229
diff
changeset
|
802 %!assert (do_string_escapes ('A\x4AG'), ["A" char(74) "G"]) |
|
29eb47fe8e8c
Add support for octal and hex escape sequences in single-quoted *printf arguments (bug #39774).
Rik <rik@octave.org>
parents:
20229
diff
changeset
|
803 %!assert (sprintf ('\x4f\x63\x74\x61\x76\x65'), "Octave") |
|
29eb47fe8e8c
Add support for octal and hex escape sequences in single-quoted *printf arguments (bug #39774).
Rik <rik@octave.org>
parents:
20229
diff
changeset
|
804 |
|
14429
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Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
805 %!error do_string_escapes () |
|
eff4a5933e28
Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
806 %!error do_string_escapes ("foo", "bar") |
|
20245
29eb47fe8e8c
Add support for octal and hex escape sequences in single-quoted *printf arguments (bug #39774).
Rik <rik@octave.org>
parents:
20229
diff
changeset
|
807 %!error <STRING argument> do_string_escapes (3) |
|
29eb47fe8e8c
Add support for octal and hex escape sequences in single-quoted *printf arguments (bug #39774).
Rik <rik@octave.org>
parents:
20229
diff
changeset
|
808 %!warning <malformed hex escape sequence> do_string_escapes ('\xG'); |
|
29eb47fe8e8c
Add support for octal and hex escape sequences in single-quoted *printf arguments (bug #39774).
Rik <rik@octave.org>
parents:
20229
diff
changeset
|
809 %!warning <unrecognized escape sequence> do_string_escapes ('\G'); |
| 13094 | 810 */ |
| 811 | |
| 1755 | 812 const char * |
| 801 | 813 undo_string_escape (char c) |
| 814 { | |
| 815 if (! c) | |
| 1755 | 816 return ""; |
| 801 | 817 |
| 818 switch (c) | |
| 819 { | |
| 3893 | 820 case '\0': |
| 821 return "\\0"; | |
| 822 | |
| 801 | 823 case '\a': |
| 824 return "\\a"; | |
| 825 | |
| 826 case '\b': // backspace | |
| 827 return "\\b"; | |
| 828 | |
| 829 case '\f': // formfeed | |
| 830 return "\\f"; | |
| 831 | |
| 832 case '\n': // newline | |
| 833 return "\\n"; | |
| 834 | |
| 835 case '\r': // carriage return | |
| 836 return "\\r"; | |
| 837 | |
| 838 case '\t': // horizontal tab | |
| 839 return "\\t"; | |
| 840 | |
| 841 case '\v': // vertical tab | |
| 842 return "\\v"; | |
| 843 | |
| 844 case '\\': // backslash | |
| 845 return "\\\\"; | |
| 846 | |
| 847 case '"': // double quote | |
| 848 return "\\\""; | |
| 849 | |
| 850 default: | |
| 1755 | 851 { |
|
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852 static char retval[2]; |
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853 retval[0] = c; |
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854 retval[1] = '\0'; |
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855 return retval; |
| 1755 | 856 } |
| 801 | 857 } |
| 858 } | |
| 859 | |
| 3536 | 860 std::string |
| 3523 | 861 undo_string_escapes (const std::string& s) |
| 801 | 862 { |
| 3523 | 863 std::string retval; |
| 801 | 864 |
| 1755 | 865 for (size_t i = 0; i < s.length (); i++) |
| 866 retval.append (undo_string_escape (s[i])); | |
| 801 | 867 |
| 1755 | 868 return retval; |
| 801 | 869 } |
| 870 | |
| 1957 | 871 DEFUN (undo_string_escapes, args, , |
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872 "-*- texinfo -*-\n\ |
| 3361 | 873 @deftypefn {Built-in Function} {} undo_string_escapes (@var{s})\n\ |
|
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874 Convert special characters in strings back to their escaped forms.\n\ |
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875 \n\ |
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876 For example, the expression\n\ |
| 3361 | 877 \n\ |
| 878 @example\n\ | |
| 879 bell = \"\\a\";\n\ | |
| 880 @end example\n\ | |
| 881 \n\ | |
| 882 @noindent\n\ | |
|
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883 assigns the value of the alert character (control-g, ASCII code 7) to the\n\ |
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884 string variable @code{bell}. If this string is printed, the system will\n\ |
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885 ring the terminal bell (if it is possible). This is normally the desired\n\ |
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886 outcome. However, sometimes it is useful to be able to print the original\n\ |
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887 representation of the string, with the special characters replaced by their\n\ |
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888 escape sequences. For example,\n\ |
| 3361 | 889 \n\ |
| 890 @example\n\ | |
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891 @group\n\ |
| 3361 | 892 octave:13> undo_string_escapes (bell)\n\ |
| 893 ans = \\a\n\ | |
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894 @end group\n\ |
| 3361 | 895 @end example\n\ |
| 896 \n\ | |
| 897 @noindent\n\ | |
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898 replaces the unprintable alert character with its printable representation.\n\ |
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899 @seealso{do_string_escapes}\n\ |
| 3361 | 900 @end deftypefn") |
| 801 | 901 { |
| 2086 | 902 octave_value retval; |
| 801 | 903 |
| 904 int nargin = args.length (); | |
| 905 | |
| 3103 | 906 if (nargin == 1) |
| 907 { | |
| 908 if (args(0).is_string ()) | |
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909 retval = undo_string_escapes (args(0).string_value ()); |
| 3103 | 910 else |
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911 error ("undo_string_escapes: S argument must be a string"); |
| 3103 | 912 } |
| 801 | 913 else |
| 5823 | 914 print_usage (); |
| 801 | 915 |
| 916 return retval; | |
| 917 } | |
| 918 | |
| 13094 | 919 /* |
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920 %!assert (undo_string_escapes ("foo\nbar"), 'foo\nbar') |
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921 %!assert (undo_string_escapes ("foo\nbar"), "foo\\nbar") |
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922 %!assert (undo_string_escapes (["foo", char(10), "bar"]), "foo\\nbar") |
| 13094 | 923 |
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924 %!assert (undo_string_escapes ("\a\b\f\n\r\t\v"), '\a\b\f\n\r\t\v') |
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925 %!assert (undo_string_escapes ("\a\b\f\n\r\t\v"), "\\a\\b\\f\\n\\r\\t\\v") |
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926 %!assert (undo_string_escapes (char ([7, 8, 12, 10, 13, 9, 11])), |
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927 %! "\\a\\b\\f\\n\\r\\t\\v") |
| 13094 | 928 |
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929 %!assert (undo_string_escapes ("\\"), '\\') |
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930 %!assert (undo_string_escapes ("\\"), "\\\\") |
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931 %!assert (undo_string_escapes (char (92)), "\\\\") |
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932 |
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933 %!assert (undo_string_escapes ("\"double-quoted\""), '\"double-quoted\"') |
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934 %!assert (undo_string_escapes ("\"double-quoted\""), "\\\"double-quoted\\\"") |
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935 |
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936 %!error undo_string_escapes () |
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937 %!error undo_string_escapes ("foo", "bar") |
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938 %!error undo_string_escapes (3) |
| 13094 | 939 */ |
| 940 | |
| 8229 | 941 DEFUN (is_absolute_filename, args, , |
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942 "-*- texinfo -*-\n\ |
| 8229 | 943 @deftypefn {Built-in Function} {} is_absolute_filename (@var{file})\n\ |
| 944 Return true if @var{file} is an absolute filename.\n\ | |
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945 @seealso{is_rooted_relative_filename, make_absolute_filename, isdir}\n\ |
| 8229 | 946 @end deftypefn") |
| 947 { | |
| 948 octave_value retval = false; | |
| 949 | |
| 950 if (args.length () == 1) | |
| 951 retval = (args(0).is_string () | |
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952 && octave_env::absolute_pathname (args(0).string_value ())); |
| 8229 | 953 else |
| 954 print_usage (); | |
| 955 | |
| 956 return retval; | |
| 957 } | |
| 958 | |
| 13094 | 959 /* |
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960 ## FIXME: We need system-dependent tests here. |
| 13094 | 961 |
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962 %!error is_absolute_filename () |
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963 %!error is_absolute_filename ("foo", "bar") |
| 13094 | 964 */ |
| 965 | |
| 8229 | 966 DEFUN (is_rooted_relative_filename, args, , |
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967 "-*- texinfo -*-\n\ |
| 8229 | 968 @deftypefn {Built-in Function} {} is_rooted_relative_filename (@var{file})\n\ |
| 969 Return true if @var{file} is a rooted-relative filename.\n\ | |
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970 @seealso{is_absolute_filename, make_absolute_filename, isdir}\n\ |
| 8229 | 971 @end deftypefn") |
| 972 { | |
| 973 octave_value retval = false; | |
| 974 | |
| 975 if (args.length () == 1) | |
| 976 retval = (args(0).is_string () | |
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977 && octave_env::rooted_relative_pathname (args(0).string_value ())); |
| 8229 | 978 else |
| 979 print_usage (); | |
| 980 | |
| 981 return retval; | |
| 982 } | |
| 983 | |
| 13094 | 984 /* |
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985 ## FIXME: We need system-dependent tests here. |
| 13094 | 986 |
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987 %!error is_rooted_relative_filename () |
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988 %!error is_rooted_relative_filename ("foo", "bar") |
| 13094 | 989 */ |
| 990 | |
| 8229 | 991 DEFUN (make_absolute_filename, args, , |
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992 "-*- texinfo -*-\n\ |
| 8229 | 993 @deftypefn {Built-in Function} {} make_absolute_filename (@var{file})\n\ |
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994 Return the full name of @var{file} beginning from the root of the file\n\ |
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995 system.\n\ |
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996 \n\ |
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997 No check is done for the existence of @var{file}.\n\ |
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998 @seealso{canonicalize_file_name, is_absolute_filename, is_rooted_relative_filename, isdir}\n\ |
| 8229 | 999 @end deftypefn") |
| 1000 { | |
| 1001 octave_value retval = std::string (); | |
| 1002 | |
| 1003 if (args.length () == 1) | |
| 1004 { | |
| 1005 std::string nm = args(0).string_value (); | |
| 1006 | |
| 1007 if (! error_state) | |
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1008 retval = octave_env::make_absolute (nm); |
| 8229 | 1009 else |
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1010 error ("make_absolute_filename: FILE argument must be a file name"); |
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1011 } |
| 8229 | 1012 else |
| 1013 print_usage (); | |
| 1014 | |
| 1015 return retval; | |
| 1016 } | |
| 1017 | |
| 13094 | 1018 /* |
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1019 ## FIXME: We need system-dependent tests here. |
| 13094 | 1020 |
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1021 %!error make_absolute_filename () |
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1022 %!error make_absolute_filename ("foo", "bar") |
| 13094 | 1023 */ |
| 1024 | |
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1025 DEFUN (dir_in_loadpath, args, , |
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1026 "-*- texinfo -*-\n\ |
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1027 @deftypefn {Built-in Function} {} dir_in_loadpath (@var{dir})\n\ |
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1028 @deftypefnx {Built-in Function} {} dir_in_loadpath (@var{dir}, \"all\")\n\ |
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1029 Return the full name of the path element matching @var{dir}.\n\ |
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1030 \n\ |
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1031 The match is performed at the end of each path element. For example, if\n\ |
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1032 @var{dir} is @qcode{\"foo/bar\"}, it matches the path element\n\ |
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1033 @nospell{@qcode{\"/some/dir/foo/bar\"}}, but not\n\ |
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1034 @nospell{@qcode{\"/some/dir/foo/bar/baz\"}}\n\ |
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1035 @nospell{@qcode{\"/some/dir/allfoo/bar\"}}.\n\ |
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1036 \n\ |
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1037 If the optional second argument is supplied, return a cell array containing\n\ |
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1038 all name matches rather than just the first.\n\ |
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1039 @seealso{file_in_path, file_in_loadpath, path}\n\ |
| 8229 | 1040 @end deftypefn") |
| 1041 { | |
| 1042 octave_value retval = std::string (); | |
| 1043 | |
|
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1044 int nargin = args.length (); |
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1045 |
|
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1046 std::string dir; |
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1047 |
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|
1048 if (nargin == 1 || nargin == 2) |
| 8229 | 1049 { |
|
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diff
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1050 dir = args(0).string_value (); |
| 8229 | 1051 |
| 1052 if (! error_state) | |
|
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1053 { |
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1054 if (nargin == 1) |
|
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1055 retval = load_path::find_dir (dir); |
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1056 else if (nargin == 2) |
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1057 retval = Cell (load_path::find_matching_dirs (dir)); |
|
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1058 } |
| 8229 | 1059 else |
|
18109
2217bc116aa9
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diff
changeset
|
1060 error ("dir_in_loadpath: DIR must be a directory name"); |
| 8229 | 1061 } |
| 1062 else | |
| 1063 print_usage (); | |
| 1064 | |
| 1065 return retval; | |
| 1066 } | |
| 1067 | |
| 13094 | 1068 /* |
|
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|
1069 %!test |
|
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|
1070 %! f = dir_in_loadpath ("plot"); |
|
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|
1071 %! assert (ischar (f)); |
|
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1072 %! assert (! isempty (f)); |
|
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1073 |
|
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1074 %!test |
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1075 %! f = dir_in_loadpath ("$$probably_!!_not_&&_a_!!_dir$$"); |
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1076 %! assert (f, ""); |
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|
1077 |
|
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1078 %!test |
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|
1079 %! lst = dir_in_loadpath ("$$probably_!!_not_&&_a_!!_dir$$", "all"); |
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|
1080 %! assert (lst, {}); |
| 13094 | 1081 |
|
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1082 %!error dir_in_loadpath () |
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1083 %!error dir_in_loadpath ("foo", "bar", 1) |
| 13094 | 1084 */ |
| 1085 | |
| 5465 | 1086 DEFUNX ("errno", Ferrno, args, , |
|
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|
1087 "-*- texinfo -*-\n\ |
| 10840 | 1088 @deftypefn {Built-in Function} {@var{err} =} errno ()\n\ |
| 5465 | 1089 @deftypefnx {Built-in Function} {@var{err} =} errno (@var{val})\n\ |
| 1090 @deftypefnx {Built-in Function} {@var{err} =} errno (@var{name})\n\ | |
| 1091 Return the current value of the system-dependent variable errno,\n\ | |
| 1092 set its value to @var{val} and return the previous value, or return\n\ | |
| 1093 the named error code given @var{name} as a character string, or -1\n\ | |
| 1094 if @var{name} is not found.\n\ | |
|
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|
1095 @seealso{errno_list}\n\ |
| 3716 | 1096 @end deftypefn") |
| 1097 { | |
| 1098 octave_value retval; | |
| 1099 | |
| 5465 | 1100 int nargin = args.length (); |
| 1101 | |
| 1102 if (nargin == 1) | |
| 1103 { | |
| 1104 if (args(0).is_string ()) | |
|
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1105 { |
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1106 std::string nm = args(0).string_value (); |
| 5465 | 1107 |
|
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1108 retval = octave_errno::lookup (nm); |
|
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1109 } |
| 5465 | 1110 else |
|
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1111 { |
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1112 int val = args(0).int_value (); |
| 5465 | 1113 |
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1114 if (! error_state) |
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1115 retval = octave_errno::set (val); |
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1116 else |
|
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1117 error ("errno: argument must be string or integer"); |
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1118 } |
| 5465 | 1119 } |
| 1120 else if (nargin == 0) | |
| 1121 retval = octave_errno::get (); | |
| 3716 | 1122 else |
| 5823 | 1123 print_usage (); |
| 3716 | 1124 |
| 1125 return retval; | |
| 1126 } | |
| 1127 | |
| 13094 | 1128 /* |
|
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1129 %!assert (isnumeric (errno ())) |
| 13094 | 1130 |
| 1131 %!test | |
| 1132 %! lst = errno_list (); | |
| 1133 %! fns = fieldnames (lst); | |
| 1134 %! oldval = errno (fns{1}); | |
| 1135 %! assert (isnumeric (oldval)); | |
| 1136 %! errno (oldval); | |
| 1137 %! newval = errno (); | |
| 1138 %! assert (oldval, newval); | |
|
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1139 |
|
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1140 %!error errno ("foo", 1) |
| 13094 | 1141 */ |
| 1142 | |
| 5465 | 1143 DEFUN (errno_list, args, , |
|
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1144 "-*- texinfo -*-\n\ |
| 5465 | 1145 @deftypefn {Built-in Function} {} errno_list ()\n\ |
| 1146 Return a structure containing the system-dependent errno values.\n\ | |
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1147 @seealso{errno}\n\ |
| 5465 | 1148 @end deftypefn") |
| 1149 { | |
| 1150 octave_value retval; | |
| 1151 | |
| 1152 if (args.length () == 0) | |
| 1153 retval = octave_errno::list (); | |
| 1154 else | |
| 5823 | 1155 print_usage (); |
| 5465 | 1156 |
| 1157 return retval; | |
| 1158 } | |
| 3716 | 1159 |
| 13094 | 1160 /* |
|
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1161 %!assert (isstruct (errno_list ())) |
| 13094 | 1162 |
|
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1163 %!error errno_list ("foo") |
| 13094 | 1164 */ |
| 1165 | |
| 2285 | 1166 static void |
| 5275 | 1167 check_dimensions (octave_idx_type& nr, octave_idx_type& nc, const char *warnfor) |
| 3354 | 1168 { |
| 1169 if (nr < 0 || nc < 0) | |
| 1170 { | |
| 5781 | 1171 warning_with_id ("Octave:neg-dim-as-zero", |
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1172 "%s: converting negative dimension to zero", warnfor); |
| 3354 | 1173 |
| 4457 | 1174 nr = (nr < 0) ? 0 : nr; |
| 1175 nc = (nc < 0) ? 0 : nc; | |
| 3354 | 1176 } |
| 1177 } | |
| 1178 | |
| 1179 void | |
| 4513 | 1180 check_dimensions (dim_vector& dim, const char *warnfor) |
| 4481 | 1181 { |
| 1182 bool neg = false; | |
| 1183 | |
| 1184 for (int i = 0; i < dim.length (); i++) | |
| 1185 { | |
| 1186 if (dim(i) < 0) | |
| 1187 { | |
| 1188 dim(i) = 0; | |
| 1189 neg = true; | |
| 1190 } | |
| 1191 } | |
| 1192 | |
| 5781 | 1193 if (neg) |
| 1194 warning_with_id ("Octave:neg-dim-as-zero", | |
|
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1195 "%s: converting negative dimension to zero", warnfor); |
| 4481 | 1196 } |
| 1197 | |
| 1198 | |
| 1199 void | |
| 1200 get_dimensions (const octave_value& a, const char *warn_for, | |
| 4513 | 1201 dim_vector& dim) |
| 4481 | 1202 { |
| 1203 if (a.is_scalar_type ()) | |
| 1204 { | |
| 1205 dim.resize (2); | |
| 4732 | 1206 dim(0) = a.int_value (); |
| 4481 | 1207 dim(1) = dim(0); |
| 1208 } | |
| 1209 else | |
| 1210 { | |
| 5275 | 1211 octave_idx_type nr = a.rows (); |
| 1212 octave_idx_type nc = a.columns (); | |
| 4481 | 1213 |
| 1214 if (nr == 1 || nc == 1) | |
| 1215 { | |
| 1216 Array<double> v = a.vector_value (); | |
| 1217 | |
|
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|
1218 octave_idx_type n = v.numel (); |
| 4481 | 1219 dim.resize (n); |
| 5275 | 1220 for (octave_idx_type i = 0; i < n; i++) |
| 4783 | 1221 dim(i) = static_cast<int> (fix (v(i))); |
| 4481 | 1222 } |
| 1223 else | |
| 5257 | 1224 error ("%s (A): use %s (size (A)) instead", warn_for, warn_for); |
| 4481 | 1225 } |
| 1226 | |
|
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1227 check_dimensions (dim, warn_for); |
| 4481 | 1228 } |
| 1229 | |
| 1230 | |
| 1231 void | |
| 3354 | 1232 get_dimensions (const octave_value& a, const char *warn_for, |
|
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1233 octave_idx_type& nr, octave_idx_type& nc) |
| 3354 | 1234 { |
| 1235 if (a.is_scalar_type ()) | |
| 1236 { | |
| 4732 | 1237 nr = nc = a.int_value (); |
| 3354 | 1238 } |
| 1239 else | |
| 1240 { | |
| 1241 nr = a.rows (); | |
| 1242 nc = a.columns (); | |
| 1243 | |
| 1244 if ((nr == 1 && nc == 2) || (nr == 2 && nc == 1)) | |
|
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1245 { |
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1246 Array<double> v = a.vector_value (); |
| 3354 | 1247 |
| 1248 | |
|
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1249 nr = static_cast<octave_idx_type> (fix (v (0))); |
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1250 nc = static_cast<octave_idx_type> (fix (v (1))); |
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1251 } |
| 3354 | 1252 else |
|
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1253 error ("%s (A): use %s (size (A)) instead", warn_for, warn_for); |
| 3354 | 1254 } |
| 1255 | |
|
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1256 check_dimensions (nr, nc, warn_for); |
| 3354 | 1257 } |
| 1258 | |
| 1259 void | |
| 1260 get_dimensions (const octave_value& a, const octave_value& b, | |
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1261 const char *warn_for, octave_idx_type& nr, octave_idx_type& nc) |
| 3354 | 1262 { |
| 4732 | 1263 nr = a.is_empty () ? 0 : a.int_value (); |
| 1264 nc = b.is_empty () ? 0 : b.int_value (); | |
| 3354 | 1265 |
| 1266 if (error_state) | |
| 1267 error ("%s: expecting two scalar arguments", warn_for); | |
| 1268 else | |
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1269 check_dimensions (nr, nc, warn_for); |
| 3354 | 1270 } |
| 1271 | |
|
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1272 octave_idx_type |
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1273 dims_to_numel (const dim_vector& dims, const octave_value_list& idx) |
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1274 { |
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1275 octave_idx_type retval; |
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1276 |
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1277 octave_idx_type len = idx.length (); |
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1278 |
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1279 if (len == 0) |
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1280 retval = dims.numel (); |
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1281 else |
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1282 { |
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1283 const dim_vector dv = dims.redim (len); |
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1284 retval = 1; |
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1285 for (octave_idx_type i = 0; i < len; i++) |
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1286 { |
|
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1287 octave_value idxi = idx(i); |
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1288 if (idxi.is_magic_colon ()) |
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1289 retval *= dv(i); |
|
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1290 else if (idxi.is_numeric_type ()) |
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1291 retval *= idxi.numel (); |
|
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changeset
|
1292 else |
|
9842
10519b4d6507
fix indexed numel for non-numeric indices
Jaroslav Hajek <highegg@gmail.com>
parents:
9806
diff
changeset
|
1293 { |
|
20574
dd6345fd8a97
use exceptions for better invalid index error reporting (bug #45957)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
20569
diff
changeset
|
1294 try |
|
dd6345fd8a97
use exceptions for better invalid index error reporting (bug #45957)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
20569
diff
changeset
|
1295 { |
|
dd6345fd8a97
use exceptions for better invalid index error reporting (bug #45957)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
20569
diff
changeset
|
1296 idx_vector jdx = idxi.index_vector (); |
|
20591
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1297 |
|
20574
dd6345fd8a97
use exceptions for better invalid index error reporting (bug #45957)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
20569
diff
changeset
|
1298 retval *= jdx.length (dv(i)); |
|
dd6345fd8a97
use exceptions for better invalid index error reporting (bug #45957)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
20569
diff
changeset
|
1299 } |
|
dd6345fd8a97
use exceptions for better invalid index error reporting (bug #45957)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
20569
diff
changeset
|
1300 catch (index_exception& e) |
|
dd6345fd8a97
use exceptions for better invalid index error reporting (bug #45957)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
20569
diff
changeset
|
1301 { |
|
dd6345fd8a97
use exceptions for better invalid index error reporting (bug #45957)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
20569
diff
changeset
|
1302 error ("dims_to_numel: Invalid IDX %s. %s", |
|
dd6345fd8a97
use exceptions for better invalid index error reporting (bug #45957)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
20569
diff
changeset
|
1303 e.idx (), e.explain ()); |
|
dd6345fd8a97
use exceptions for better invalid index error reporting (bug #45957)
Lachlan Andrew <lachlanbis@gmail.com>
parents:
20569
diff
changeset
|
1304 } |
|
9842
10519b4d6507
fix indexed numel for non-numeric indices
Jaroslav Hajek <highegg@gmail.com>
parents:
9806
diff
changeset
|
1305 } |
|
9705
5acd99c3e794
avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
parents:
9487
diff
changeset
|
1306 } |
|
5acd99c3e794
avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
parents:
9487
diff
changeset
|
1307 } |
|
5acd99c3e794
avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
parents:
9487
diff
changeset
|
1308 |
|
5acd99c3e794
avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
parents:
9487
diff
changeset
|
1309 return retval; |
|
5acd99c3e794
avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
parents:
9487
diff
changeset
|
1310 } |
|
5acd99c3e794
avoid recursive overloaded calls in builtin numel
Jaroslav Hajek <highegg@gmail.com>
parents:
9487
diff
changeset
|
1311 |
| 4478 | 1312 Matrix |
| 5275 | 1313 identity_matrix (octave_idx_type nr, octave_idx_type nc) |
| 4478 | 1314 { |
| 1315 Matrix m (nr, nc, 0.0); | |
| 1316 | |
| 1317 if (nr > 0 && nc > 0) | |
| 1318 { | |
| 5275 | 1319 octave_idx_type n = std::min (nr, nc); |
| 4478 | 1320 |
| 5275 | 1321 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
|
1322 m (i, i) = 1.0; |
| 4478 | 1323 } |
| 1324 | |
| 1325 return m; | |
| 1326 } | |
| 1327 | |
|
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7481
diff
changeset
|
1328 FloatMatrix |
|
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7481
diff
changeset
|
1329 float_identity_matrix (octave_idx_type nr, octave_idx_type nc) |
|
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7481
diff
changeset
|
1330 { |
|
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7481
diff
changeset
|
1331 FloatMatrix m (nr, nc, 0.0); |
|
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7481
diff
changeset
|
1332 |
|
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7481
diff
changeset
|
1333 if (nr > 0 && nc > 0) |
|
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7481
diff
changeset
|
1334 { |
|
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7481
diff
changeset
|
1335 octave_idx_type n = std::min (nr, nc); |
|
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7481
diff
changeset
|
1336 |
|
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7481
diff
changeset
|
1337 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
|
1338 m (i, i) = 1.0; |
|
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7481
diff
changeset
|
1339 } |
|
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7481
diff
changeset
|
1340 |
|
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7481
diff
changeset
|
1341 return m; |
|
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7481
diff
changeset
|
1342 } |
|
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7481
diff
changeset
|
1343 |
|
13991
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1344 size_t |
| 3622 | 1345 octave_format (std::ostream& os, const char *fmt, ...) |
| 3620 | 1346 { |
|
13991
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1347 size_t retval; |
| 3620 | 1348 |
| 1349 va_list args; | |
| 1350 va_start (args, fmt); | |
| 1351 | |
| 1352 retval = octave_vformat (os, fmt, args); | |
| 1353 | |
| 1354 va_end (args); | |
| 1355 | |
| 1356 return retval; | |
| 1357 } | |
| 1358 | |
|
13991
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1359 size_t |
| 3622 | 1360 octave_vformat (std::ostream& os, const char *fmt, va_list args) |
| 3620 | 1361 { |
|
14005
f8556baf1949
rename octave_vsnprintf and octave_snprintf
John W. Eaton <jwe@octave.org>
parents:
13991
diff
changeset
|
1362 std::string s = octave_vasprintf (fmt, args); |
| 3620 | 1363 |
|
13991
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1364 os << s; |
| 3620 | 1365 |
|
13991
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1366 return s.length (); |
|
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1367 } |
| 4135 | 1368 |
|
13991
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1369 std::string |
|
14005
f8556baf1949
rename octave_vsnprintf and octave_snprintf
John W. Eaton <jwe@octave.org>
parents:
13991
diff
changeset
|
1370 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
|
1371 { |
|
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1372 std::string retval; |
|
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1373 |
|
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1374 char *result; |
| 4302 | 1375 |
|
14005
f8556baf1949
rename octave_vsnprintf and octave_snprintf
John W. Eaton <jwe@octave.org>
parents:
13991
diff
changeset
|
1376 int status = gnulib::vasprintf (&result, fmt, args); |
| 4302 | 1377 |
|
13991
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1378 if (status >= 0) |
|
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1379 { |
|
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1380 retval = result; |
|
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1381 ::free (result); |
| 4302 | 1382 } |
| 3620 | 1383 |
| 1384 return retval; | |
| 1385 } | |
| 1386 | |
|
13991
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1387 std::string |
|
14005
f8556baf1949
rename octave_vsnprintf and octave_snprintf
John W. Eaton <jwe@octave.org>
parents:
13991
diff
changeset
|
1388 octave_asprintf (const char *fmt, ...) |
| 4302 | 1389 { |
|
13991
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1390 std::string retval; |
| 4302 | 1391 |
| 1392 va_list args; | |
| 1393 va_start (args, fmt); | |
| 1394 | |
|
14005
f8556baf1949
rename octave_vsnprintf and octave_snprintf
John W. Eaton <jwe@octave.org>
parents:
13991
diff
changeset
|
1395 retval = octave_vasprintf (fmt, args); |
| 4302 | 1396 |
| 1397 va_end (args); | |
| 1398 | |
| 1399 return retval; | |
| 1400 } | |
| 1401 | |
| 4086 | 1402 void |
| 1403 octave_sleep (double seconds) | |
| 1404 { | |
| 1405 if (seconds > 0) | |
| 1406 { | |
| 1407 double t; | |
| 1408 | |
| 4093 | 1409 unsigned int usec |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10257
diff
changeset
|
1410 = static_cast<unsigned int> (modf (seconds, &t) * 1000000); |
| 4086 | 1411 |
| 4093 | 1412 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
|
1413 = ((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
|
1414 ? 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
|
1415 : static_cast<unsigned int> (t)); |
| 4086 | 1416 |
| 5770 | 1417 // Versions of these functions that accept unsigned int args are |
| 1418 // defined in cutils.c. | |
| 4086 | 1419 octave_sleep (sec); |
| 1420 octave_usleep (usec); | |
|
10070
897e62651c0a
correctly handle interrupts in pause()
Jaroslav Hajek <highegg@gmail.com>
parents:
10066
diff
changeset
|
1421 |
|
10142
829e69ec3110
make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents:
10086
diff
changeset
|
1422 octave_quit (); |
| 4086 | 1423 } |
| 1424 } | |
| 1425 | |
|
9487
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1426 DEFUN (isindex, args, , |
|
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1427 "-*- texinfo -*-\n\ |
|
11431
0d9640d755b1
Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents:
11066
diff
changeset
|
1428 @deftypefn {Built-in Function} {} isindex (@var{ind})\n\ |
|
0d9640d755b1
Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents:
11066
diff
changeset
|
1429 @deftypefnx {Built-in Function} {} isindex (@var{ind}, @var{n})\n\ |
|
20119
4d0c7fec0a31
doc: Explain treatment of strings by isindex() (bug #44855).
Rik <rik@octave.org>
parents:
19777
diff
changeset
|
1430 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:
19777
diff
changeset
|
1431 \n\ |
|
4d0c7fec0a31
doc: Explain treatment of strings by isindex() (bug #44855).
Rik <rik@octave.org>
parents:
19777
diff
changeset
|
1432 Valid indices are either positive integers (although possibly of real data\n\ |
|
20207
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20136
diff
changeset
|
1433 type), or logical arrays.\n\ |
|
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20136
diff
changeset
|
1434 \n\ |
|
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20136
diff
changeset
|
1435 If present, @var{n} specifies the maximum extent of the dimension to be\n\ |
|
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20136
diff
changeset
|
1436 indexed. When possible the internal result is cached so that subsequent\n\ |
|
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20136
diff
changeset
|
1437 indexing using @var{ind} will not perform the check again.\n\ |
|
20119
4d0c7fec0a31
doc: Explain treatment of strings by isindex() (bug #44855).
Rik <rik@octave.org>
parents:
19777
diff
changeset
|
1438 \n\ |
|
4d0c7fec0a31
doc: Explain treatment of strings by isindex() (bug #44855).
Rik <rik@octave.org>
parents:
19777
diff
changeset
|
1439 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:
19777
diff
changeset
|
1440 checks for valid indices are made. Unless a string contains the NULL\n\ |
|
20352
2ec049e50ed8
doc: Fix backslash characters in docstrings
Mike Miller <mtmiller@octave.org>
parents:
20229
diff
changeset
|
1441 character @nospell{\"@xbackslashchar{}0\"}, it will always be a valid index.\n\ |
|
9487
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1442 @end deftypefn") |
|
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1443 { |
|
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1444 octave_value retval; |
|
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1445 int nargin = args.length (); |
|
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1446 octave_idx_type n = 0; |
|
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1447 |
|
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1448 if (nargin == 2) |
|
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1449 n = args(1).idx_type_value (); |
|
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1450 else if (nargin != 1) |
|
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1451 print_usage (); |
|
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1452 |
|
20591
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1453 unwind_protect frame; |
|
10605
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
parents:
10502
diff
changeset
|
1454 |
|
20591
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1455 frame.protect_var (discard_error_messages); |
|
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1456 discard_error_messages = true; |
|
9487
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1457 |
|
20591
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1458 try |
|
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1459 { |
|
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1460 idx_vector idx = args(0).index_vector (true); |
|
18129
e473c4853afc
enable non-integer ranges as indices by default and deprecate preference
John W. Eaton <jwe@octave.org>
parents:
18104
diff
changeset
|
1461 |
|
20591
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1462 if (nargin == 2) |
|
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1463 retval = idx.extent (n) <= n; |
|
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1464 else |
|
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1465 retval = true; |
|
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1466 } |
|
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1467 catch (const octave_execution_exception&) |
|
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1468 { |
|
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1469 retval = false; |
|
9487
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1470 } |
|
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1471 |
|
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1472 return retval; |
|
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1473 } |
|
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
parents:
9173
diff
changeset
|
1474 |
| 13094 | 1475 /* |
|
14429
eff4a5933e28
Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
1476 %!assert (isindex ([1, 2, 3])) |
|
eff4a5933e28
Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
1477 %!assert (isindex (1:3)) |
|
19172
ebeb3defae37
codesprint: Add tests to various interpreter utility functions
Mike Miller <mtmiller@ieee.org>
parents:
19162
diff
changeset
|
1478 %!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
|
1479 %!assert (isindex ([1, 2, -3]), false) |
| 13094 | 1480 |
|
14429
eff4a5933e28
Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
1481 %!error isindex () |
|
19172
ebeb3defae37
codesprint: Add tests to various interpreter utility functions
Mike Miller <mtmiller@ieee.org>
parents:
19162
diff
changeset
|
1482 %!error isindex (1:3, 2, 3) |
| 13094 | 1483 */ |
| 1484 | |
|
10086
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1485 octave_value_list |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1486 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
|
1487 const char *fun_name, const octave_value_list& args, |
|
10086
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1488 int nargout) |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1489 { |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1490 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
|
1491 int nargin = args.length (); |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1492 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
|
1493 OCTAVE_LOCAL_BUFFER (Cell, cells, nargin); |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1494 OCTAVE_LOCAL_BUFFER (Cell, rcells, nargout); |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1495 |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1496 const Cell *ccells = cells; |
|
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:
10070
diff
changeset
|
1498 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
|
1499 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
|
1500 |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1501 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
|
1502 { |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1503 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
|
1504 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
|
1505 if (iscell[i]) |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1506 { |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1507 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
|
1508 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
|
1509 if (n == 1) |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11575
diff
changeset
|
1510 { |
|
10086
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1511 iscell[i] = false; |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1512 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
|
1513 } |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1514 else if (numel == 1) |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1515 { |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1516 numel = n; |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1517 dims = ccells[i].dims (); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11575
diff
changeset
|
1518 } |
|
10086
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1519 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
|
1520 { |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1521 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
|
1522 break; |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1523 } |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1524 } |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1525 } |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1526 |
|
20591
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1527 for (int i = 0; i < nargout; i++) |
|
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1528 rcells[i].clear (dims); |
|
10086
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1529 |
|
20591
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1530 for (octave_idx_type j = 0; j < numel; j++) |
|
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1531 { |
|
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1532 for (int i = 0; i < nargin; i++) |
|
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1533 if (iscell[i]) |
|
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1534 new_args(i) = ccells[i](j); |
|
10086
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1535 |
|
20591
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1536 octave_quit (); |
|
10086
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1537 |
|
20591
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1538 const octave_value_list tmp = fun (new_args, nargout); |
|
10086
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1539 |
|
20591
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1540 if (tmp.length () < nargout) |
|
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1541 { |
|
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1542 error ("%s: do_simple_cellfun: internal error", fun_name); |
|
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1543 break; |
|
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1544 } |
|
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1545 else |
|
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1546 { |
|
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1547 for (int i = 0; i < nargout; i++) |
|
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1548 rcells[i](j) = tmp(i); |
|
10086
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1549 } |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1550 } |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1551 |
|
20591
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1552 retval.resize (nargout); |
|
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1553 |
|
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1554 for (int i = 0; i < nargout; i++) |
|
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20574
diff
changeset
|
1555 retval(i) = rcells[i]; |
|
10086
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1556 |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1557 return retval; |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1558 } |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1559 |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1560 octave_value |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1561 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
|
1562 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:
10070
diff
changeset
|
1563 { |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1564 octave_value retval; |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1565 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
|
1566 if (tmp.length () > 0) |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1567 retval = tmp(0); |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1568 |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1569 return retval; |
|
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
10070
diff
changeset
|
1570 } |
|
17818
f1b59ef34eda
attempt to avoid setting persistent state on i/o streams (bug #40396)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
1571 |
|
f1b59ef34eda
attempt to avoid setting persistent state on i/o streams (bug #40396)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
1572 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
|
1573 { |
|
f1b59ef34eda
attempt to avoid setting persistent state on i/o streams (bug #40396)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
1574 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
|
1575 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
|
1576 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
|
1577 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
|
1578 } |
|
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1579 |
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1580 DEFUN (isstudent, args, , |
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1581 "-*- texinfo -*-\n\ |
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1582 @deftypefn {Built-in Function} {} isstudent ()\n\ |
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1583 Return true if running in the student edition of @sc{matlab}.\n\ |
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1584 \n\ |
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1585 @code{isstudent} always returns false in Octave.\n\ |
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1586 @seealso{false}\n\ |
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1587 @end deftypefn") |
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1588 { |
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1589 if (args.length () != 0) |
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1590 print_usage (); |
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1591 |
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1592 return octave_value (false); |
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1593 } |
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1594 |
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1595 /* |
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1596 %!assert (isstudent (), false) |
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1597 |
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1598 %!error isstudent (1) |
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1599 */ |