Mercurial > octave
annotate libinterp/corefcn/utils.cc @ 20819:f428cbe7576f
eliminate unnecessary uses of nargin
* __dsearchn__.cc, betainc.cc, bsxfun.cc, data.cc, debug.cc, det.cc,
dot.cc, error.cc, file-io.cc, givens.cc, graphics.cc, hess.cc,
hex2num.cc, input.cc, inv.cc, mgorth.cc, ordschur.cc, pr-output.cc,
profiler.cc, rcond.cc, regexp.cc, sqrtm.cc, sub2ind.cc, sylvester.cc,
syscalls.cc, sysdep.cc, tsearch.cc, urlwrite.cc, utils.cc,
variables.cc:
Don't use nargin variable unless it is used more than once.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Mon, 07 Dec 2015 13:54:01 -0500 |
parents | d9ca869ca124 |
children | 35241c4b696c |
rev | line source |
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1 | 1 /* |
2 | |
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3 Copyright (C) 1993-2015 John W. Eaton |
11012 | 4 Copyright (C) 2010 VZLU Prague |
1 | 5 |
6 This file is part of Octave. | |
7 | |
8 Octave is free software; you can redistribute it and/or modify it | |
9 under the terms of the GNU General Public License as published by the | |
7016 | 10 Free Software Foundation; either version 3 of the License, or (at your |
11 option) any later version. | |
1 | 12 |
13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 for more details. | |
17 | |
18 You should have received a copy of the GNU General Public License | |
7016 | 19 along with Octave; see the file COPYING. If not, see |
20 <http://www.gnu.org/licenses/>. | |
1 | 21 |
22 */ | |
23 | |
240 | 24 #ifdef HAVE_CONFIG_H |
1192 | 25 #include <config.h> |
1 | 26 #endif |
27 | |
3716 | 28 #include <cerrno> |
1346 | 29 #include <cstring> |
1343 | 30 |
3503 | 31 #include <fstream> |
32 #include <iostream> | |
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33 #include <limits> |
1728 | 34 #include <string> |
35 | |
1 | 36 #include <sys/types.h> |
37 #include <unistd.h> | |
367 | 38 |
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39 #include "vasnprintf.h" |
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40 |
3040 | 41 #include "dir-ops.h" |
42 #include "file-ops.h" | |
2926 | 43 #include "file-stat.h" |
4732 | 44 #include "lo-mappers.h" |
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45 #include "lo-utils.h" |
1651 | 46 #include "oct-cmplx.h" |
2926 | 47 #include "oct-env.h" |
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48 #include "oct-locbuf.h" |
3040 | 49 #include "pathsearch.h" |
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50 #include "quit.h" |
1755 | 51 #include "str-vec.h" |
1651 | 52 |
4216 | 53 #include "Cell.h" |
2492 | 54 #include <defaults.h> |
1352 | 55 #include "defun.h" |
56 #include "dirfns.h" | |
57 #include "error.h" | |
58 #include "gripes.h" | |
59 #include "input.h" | |
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60 #include "lex.h" |
5832 | 61 #include "load-path.h" |
5465 | 62 #include "oct-errno.h" |
1742 | 63 #include "oct-hist.h" |
1750 | 64 #include "oct-obj.h" |
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65 #include "ov-range.h" |
1352 | 66 #include "pager.h" |
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67 #include "parse.h" |
1690 | 68 #include "sysdep.h" |
1750 | 69 #include "toplev.h" |
1 | 70 #include "unwind-prot.h" |
1352 | 71 #include "utils.h" |
72 #include "variables.h" | |
1 | 73 |
4143 | 74 // Return TRUE if S is a valid identifier. |
75 | |
76 bool | |
77 valid_identifier (const char *s) | |
78 { | |
5290 | 79 if (! s || ! (isalpha (*s) || *s == '_' || *s == '$')) |
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80 return false; |
4143 | 81 |
82 while (*++s != '\0') | |
5290 | 83 if (! (isalnum (*s) || *s == '_' || *s == '$')) |
4143 | 84 return false; |
85 | |
86 return true; | |
87 } | |
88 | |
89 bool | |
90 valid_identifier (const std::string& s) | |
91 { | |
92 return valid_identifier (s.c_str ()); | |
93 } | |
94 | |
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95 DEFUN (isvarname, args, , |
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96 "-*- texinfo -*-\n\ |
5040 | 97 @deftypefn {Built-in Function} {} isvarname (@var{name})\n\ |
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98 Return true if @var{name} is a valid variable name.\n\ |
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99 @seealso{iskeyword, exist, who}\n\ |
4264 | 100 @end deftypefn") |
101 { | |
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102 octave_value retval = false; |
4264 | 103 |
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104 if (args.length () != 1) |
5823 | 105 print_usage (); |
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106 |
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107 if (args(0).is_string ()) |
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108 { |
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109 std::string varname = args(0).string_value (); |
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110 |
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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 |
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315 if (nargin < 1 || nargin > 2) |
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316 print_usage (); |
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317 |
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318 string_vector names = args(0).xall_strings ("file_in_loadpath: FILE argument must be a string"); |
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319 |
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320 if (names.numel () > 0) |
4216 | 321 { |
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322 if (nargin == 1) |
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323 retval = |
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324 octave_env::make_absolute (load_path::find_first_of (names)); |
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325 else if (nargin == 2) |
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326 { |
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327 std::string opt = args(1).xstring_value ("file_in_loadpath: optional second argument must be a string"); |
4243 | 328 |
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329 if (opt == "all") |
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330 retval = Cell (make_absolute |
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331 (load_path::find_all_first_of (names))); |
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332 else |
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333 error ("file_in_loadpath: \"all\" is only valid second argument"); |
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334 } |
4216 | 335 } |
3195 | 336 else |
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337 error ("file_in_loadpath: FILE argument must not be empty"); |
3195 | 338 |
339 return retval; | |
340 } | |
341 | |
13094 | 342 /* |
343 %!test | |
344 %! f = file_in_loadpath ("plot.m"); | |
345 %! assert (ischar (f)); | |
346 %! assert (! isempty (f)); | |
347 | |
348 %!test | |
349 %! f = file_in_loadpath ("$$probably_!!_not_&&_a_!!_file$$"); | |
350 %! assert (f, ""); | |
351 | |
352 %!test | |
353 %! lst = file_in_loadpath ("$$probably_!!_not_&&_a_!!_file$$", "all"); | |
354 %! assert (lst, {}); | |
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355 |
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356 %!error file_in_loadpath () |
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357 %!error file_in_loadpath ("foo", "bar", 1) |
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358 %!error file_in_loadpath ([]) |
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359 %!error file_in_loadpath ("plot.m", "bar") |
13094 | 360 */ |
361 | |
1957 | 362 DEFUN (file_in_path, args, , |
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363 "-*- texinfo -*-\n\ |
10840 | 364 @deftypefn {Built-in Function} {} file_in_path (@var{path}, @var{file})\n\ |
4216 | 365 @deftypefnx {Built-in Function} {} file_in_path (@var{path}, @var{file}, \"all\")\n\ |
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366 Return the absolute name of @var{file} if it can be found in @var{path}.\n\ |
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367 \n\ |
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368 The value of @var{path} should be a colon-separated list of directories in\n\ |
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369 the format described for @code{path}. If no file is found, return an empty\n\ |
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370 character string. For example:\n\ |
3301 | 371 \n\ |
372 @example\n\ | |
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373 @group\n\ |
5456 | 374 file_in_path (EXEC_PATH, \"sh\")\n\ |
375 @result{} \"/bin/sh\"\n\ | |
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376 @end group\n\ |
3301 | 377 @end example\n\ |
4216 | 378 \n\ |
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379 If the second argument is a cell array of strings, search each directory of\n\ |
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380 the path for element of the cell array and return the first that matches.\n\ |
4243 | 381 \n\ |
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382 If the third optional argument @qcode{\"all\"} is supplied, return a cell\n\ |
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383 array containing the list of all files that have the same name in the path.\n\ |
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384 If no files are found, return an empty cell array.\n\ |
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385 @seealso{file_in_loadpath, dir_in_loadpath, path}\n\ |
3301 | 386 @end deftypefn") |
686 | 387 { |
4216 | 388 octave_value retval; |
686 | 389 |
4243 | 390 int nargin = args.length (); |
1755 | 391 |
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392 if (nargin < 2 || nargin > 3) |
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393 print_usage (); |
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394 |
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395 std::string path = args(0).xstring_value ("file_in_path: PATH must be a string"); |
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396 |
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397 string_vector names = args(1).xall_strings ("file_in_path: FILE argument must be a string"); |
4243 | 398 |
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399 if (names.numel () > 0) |
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400 { |
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401 if (nargin == 2) |
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402 retval = search_path_for_file (path, names); |
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403 else if (nargin == 3) |
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404 { |
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405 std::string opt = args(2).xstring_value ("file_in_path: optional third argument must be a string"); |
4243 | 406 |
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407 if (opt == "all") |
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408 retval = Cell (make_absolute |
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409 (search_path_for_all_files (path, names))); |
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410 else |
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411 error ("file_in_path: \"all\" is only valid third argument"); |
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412 } |
686 | 413 } |
414 else | |
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415 error ("file_in_path: FILE argument must not be empty"); |
686 | 416 |
417 return retval; | |
418 } | |
419 | |
13094 | 420 /* |
421 %!test | |
422 %! f = file_in_path (path (), "plot.m"); | |
423 %! assert (ischar (f)); | |
424 %! assert (! isempty (f)); | |
425 | |
426 %!test | |
427 %! f = file_in_path (path (), "$$probably_!!_not_&&_a_!!_file$$"); | |
428 %! assert (f, ""); | |
429 | |
430 %!test | |
431 %! lst = file_in_path (path (), "$$probably_!!_not_&&_a_!!_file$$", "all"); | |
432 %! assert (lst, {}); | |
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433 |
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434 %!error file_in_path () |
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435 %!error file_in_path ("foo") |
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436 %!error file_in_path ("foo", "bar", "baz", 1) |
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437 %!error file_in_path ([]) |
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438 %!error file_in_path (path (), []) |
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439 %!error file_in_path (path (), "plot.m", "bar") |
13094 | 440 */ |
441 | |
3536 | 442 std::string |
3523 | 443 file_in_path (const std::string& name, const std::string& suffix) |
526 | 444 { |
3523 | 445 std::string nm = name; |
526 | 446 |
1755 | 447 if (! suffix.empty ()) |
448 nm.append (suffix); | |
686 | 449 |
10250 | 450 return octave_env::make_absolute (load_path::find_file (nm)); |
526 | 451 } |
452 | |
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453 std::string |
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454 find_data_file_in_load_path (const std::string& fcn, |
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455 const std::string& file, |
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456 bool require_regular_file) |
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457 { |
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458 std::string fname = file; |
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459 |
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460 if (! (octave_env::absolute_pathname (fname) |
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461 || octave_env::rooted_relative_pathname (fname))) |
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462 { |
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463 // Load path will also search "." first, but we don't want to |
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464 // issue a warning if the file is found in the current directory, |
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465 // so do an explicit check for that. |
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466 |
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467 file_stat fs (fname); |
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468 |
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469 bool local_file_ok |
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470 = fs.exists () && (fs.is_reg () || ! require_regular_file); |
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471 |
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472 if (! local_file_ok) |
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473 { |
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474 // Not directly found; search load path. |
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475 |
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476 std::string tmp |
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477 = octave_env::make_absolute (load_path::find_file (fname)); |
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478 |
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479 if (! tmp.empty ()) |
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480 { |
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481 gripe_data_file_in_path (fcn, tmp); |
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482 |
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483 fname = tmp; |
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484 } |
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485 } |
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486 } |
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487 |
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488 return fname; |
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489 } |
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490 |
581 | 491 // See if there is an function file in the path. If so, return the |
492 // full path to the file. | |
493 | |
3536 | 494 std::string |
3523 | 495 fcn_file_in_path (const std::string& name) |
526 | 496 { |
3523 | 497 std::string retval; |
908 | 498 |
1755 | 499 int len = name.length (); |
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500 |
1755 | 501 if (len > 0) |
502 { | |
5832 | 503 if (octave_env::absolute_pathname (name)) |
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504 { |
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505 file_stat fs (name); |
5832 | 506 |
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507 if (fs.exists () && ! fs.is_dir ()) |
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508 retval = name; |
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509 } |
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510 else if (len > 2 && name[len - 2] == '.' && name[len - 1] == 'm') |
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511 retval = load_path::find_fcn_file (name.substr (0, len-2)); |
908 | 512 else |
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513 { |
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514 std::string fname = name; |
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515 size_t pos = name.find_first_of (Vfilemarker); |
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516 if (pos != std::string::npos) |
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517 fname = name.substr (0, pos); |
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518 |
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519 retval = load_path::find_fcn_file (fname); |
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520 } |
908 | 521 } |
1755 | 522 |
523 return retval; | |
526 | 524 } |
525 | |
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526 // See if there is a directory called "name" in the path and if it |
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527 // contains a Contents.m file return the full path to this file. |
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528 |
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529 std::string |
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530 contents_file_in_path (const std::string& dir) |
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531 { |
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532 std::string retval; |
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533 |
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534 if (dir.length () > 0) |
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535 { |
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536 std::string tcontents = file_ops::concat (load_path::find_dir (dir), |
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537 std::string ("Contents.m")); |
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538 |
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539 file_stat fs (tcontents); |
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540 |
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541 if (fs.exists ()) |
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542 retval = octave_env::make_absolute (tcontents); |
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543 } |
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544 |
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545 return retval; |
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546 } |
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547 |
5864 | 548 // See if there is a .oct file in the path. If so, return the |
581 | 549 // full path to the file. |
550 | |
3536 | 551 std::string |
3523 | 552 oct_file_in_path (const std::string& name) |
572 | 553 { |
3523 | 554 std::string retval; |
908 | 555 |
1755 | 556 int len = name.length (); |
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557 |
1755 | 558 if (len > 0) |
559 { | |
5832 | 560 if (octave_env::absolute_pathname (name)) |
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561 { |
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562 file_stat fs (name); |
5832 | 563 |
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564 if (fs.exists ()) |
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565 retval = name; |
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566 } |
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567 else if (len > 4 && name[len - 4] == '.' && name[len - 3] == 'o' |
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568 && name[len - 2] == 'c' && name[len - 1] == 't') |
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569 retval = load_path::find_oct_file (name.substr (0, len-4)); |
908 | 570 else |
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571 retval = load_path::find_oct_file (name); |
908 | 572 } |
1755 | 573 |
574 return retval; | |
572 | 575 } |
576 | |
5864 | 577 // See if there is a .mex file in the path. If so, return the |
578 // full path to the file. | |
579 | |
580 std::string | |
581 mex_file_in_path (const std::string& name) | |
582 { | |
583 std::string retval; | |
584 | |
585 int len = name.length (); | |
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586 |
5864 | 587 if (len > 0) |
588 { | |
589 if (octave_env::absolute_pathname (name)) | |
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590 { |
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591 file_stat fs (name); |
5864 | 592 |
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593 if (fs.exists ()) |
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594 retval = name; |
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595 } |
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596 else if (len > 4 && name[len - 4] == '.' && name[len - 3] == 'm' |
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597 && name[len - 2] == 'e' && name[len - 1] == 'x') |
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598 retval = load_path::find_mex_file (name.substr (0, len-4)); |
5864 | 599 else |
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600 retval = load_path::find_mex_file (name); |
5864 | 601 } |
602 | |
603 return retval; | |
604 } | |
605 | |
3103 | 606 // Replace backslash escapes in a string with the real values. |
607 | |
3536 | 608 std::string |
3523 | 609 do_string_escapes (const std::string& s) |
3103 | 610 { |
3523 | 611 std::string retval; |
3103 | 612 |
613 size_t i = 0; | |
614 size_t j = 0; | |
615 size_t len = s.length (); | |
616 | |
617 retval.resize (len); | |
618 | |
619 while (j < len) | |
620 { | |
621 if (s[j] == '\\' && j+1 < len) | |
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622 { |
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623 switch (s[++j]) |
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624 { |
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625 case 'a': // alarm |
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626 retval[i] = '\a'; |
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627 break; |
3103 | 628 |
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629 case 'b': // backspace |
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630 retval[i] = '\b'; |
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631 break; |
3103 | 632 |
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633 case 'f': // formfeed |
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634 retval[i] = '\f'; |
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635 break; |
3103 | 636 |
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637 case 'n': // newline |
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638 retval[i] = '\n'; |
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639 break; |
3103 | 640 |
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641 case 'r': // carriage return |
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642 retval[i] = '\r'; |
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643 break; |
3103 | 644 |
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645 case 't': // horizontal tab |
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646 retval[i] = '\t'; |
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647 break; |
3103 | 648 |
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649 case 'v': // vertical tab |
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650 retval[i] = '\v'; |
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651 break; |
3103 | 652 |
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653 case '\\': // backslash |
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654 retval[i] = '\\'; |
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655 break; |
3103 | 656 |
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657 case '\'': // quote |
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658 retval[i] = '\''; |
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659 break; |
3103 | 660 |
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661 case '"': // double quote |
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662 retval[i] = '"'; |
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663 break; |
3103 | 664 |
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665 case '0': |
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666 case '1': |
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667 case '2': |
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668 case '3': |
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669 case '4': |
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670 case '5': |
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671 case '6': |
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672 case '7': // octal input |
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673 { |
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674 size_t k; |
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675 int tmpi = s[j] - '0'; |
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676 for (k = j+1; k < std::min (j+3, len); k++) |
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677 { |
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678 int digit = s[k] - '0'; |
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679 if (digit < 0 || digit > 7) |
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680 break; |
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681 tmpi <<= 3; |
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682 tmpi += digit; |
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683 } |
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684 retval[i] = tmpi; |
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685 j = k - 1; |
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686 break; |
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687 } |
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688 |
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689 case 'x': // hex input |
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690 { |
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691 size_t k; |
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692 int tmpi = 0; |
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693 for (k = j+1; k < std::min (j+3, len); k++) |
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694 { |
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695 if (! isxdigit (s[k])) |
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696 break; |
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697 |
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698 tmpi <<= 4; |
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699 int digit = s[k]; |
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700 if (digit >= 'a') |
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701 tmpi += digit - 'a' + 10; |
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702 else if (digit >= 'A') |
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703 tmpi += digit - 'A' + 10; |
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|
704 else |
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705 tmpi += digit - '0'; |
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706 } |
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707 |
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708 if (k == j+1) |
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709 warning ("malformed hex escape sequence '\\x' --\ |
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710 converting to '\\0'"); |
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|
711 |
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712 retval[i] = tmpi; |
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Add support for octal and hex escape sequences in single-quoted *printf arguments (bug #39774).
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713 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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714 break; |
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715 } |
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|
716 |
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717 default: |
15466
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John W. Eaton <jwe@octave.org>
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718 warning ("unrecognized escape sequence '\\%c' --\ |
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John W. Eaton <jwe@octave.org>
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719 converting to '%c'", s[j], s[j]); |
10315
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720 retval[i] = s[j]; |
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721 break; |
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722 } |
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|
723 } |
3103 | 724 else |
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725 { |
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726 retval[i] = s[j]; |
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727 } |
3103 | 728 |
729 i++; | |
730 j++; | |
731 } | |
732 | |
3105 | 733 retval.resize (i); |
3103 | 734 |
735 return retval; | |
736 } | |
737 | |
738 DEFUN (do_string_escapes, args, , | |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
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739 "-*- texinfo -*-\n\ |
3446 | 740 @deftypefn {Built-in Function} {} do_string_escapes (@var{string})\n\ |
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741 Convert escape sequences in @var{string} to the characters they represent.\n\ |
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742 \n\ |
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743 Escape sequences begin with a leading backslash\n\ |
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744 (@qcode{'@xbackslashchar{}'}) followed by 1--3 characters\n\ |
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745 (.e.g., @qcode{\"@xbackslashchar{}n\"} => newline).\n\ |
4f45eaf83908
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|
746 @seealso{undo_string_escapes}\n\ |
3446 | 747 @end deftypefn") |
3103 | 748 { |
20819
f428cbe7576f
eliminate unnecessary uses of nargin
John W. Eaton <jwe@octave.org>
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diff
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|
749 if (args.length () != 1) |
5823 | 750 print_usage (); |
3103 | 751 |
20800
fb128aafc322
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20756
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|
752 std::string str = args(0).xstring_value ("do_string_escapes: STRING argument must be of type string"); |
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|
753 |
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|
754 return octave_value (do_string_escapes (str)); |
3103 | 755 } |
756 | |
13094 | 757 /* |
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Rik <octave@nomad.inbox5.com>
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758 %!assert (do_string_escapes ('foo\nbar'), "foo\nbar") |
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|
759 %!assert (do_string_escapes ("foo\\nbar"), "foo\nbar") |
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760 %!assert (do_string_escapes ("foo\\nbar"), ["foo", char(10), "bar"]) |
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|
761 %!assert ("foo\nbar", ["foo", char(10), "bar"]) |
13094 | 762 |
19138
ebeb3defae37
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Mike Miller <mtmiller@ieee.org>
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|
763 %!assert (do_string_escapes ('\0\a\b\f\n\r\t\v'), "\0\a\b\f\n\r\t\v") |
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diff
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|
764 %!assert (do_string_escapes ("\\0\\a\\b\\f\\n\\r\\t\\v"), "\0\a\b\f\n\r\t\v") |
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|
765 %!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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|
766 %! char ([0, 7, 8, 12, 10, 13, 9, 11])) |
ebeb3defae37
codesprint: Add tests to various interpreter utility functions
Mike Miller <mtmiller@ieee.org>
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|
767 %!assert ("\0\a\b\f\n\r\t\v", char ([0, 7, 8, 12, 10, 13, 9, 11])) |
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|
768 |
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Mike Miller <mtmiller@ieee.org>
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|
769 %!assert (do_string_escapes ('\\'), "\\") |
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|
770 %!assert (do_string_escapes ("\\\\"), "\\") |
ebeb3defae37
codesprint: Add tests to various interpreter utility functions
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|
771 %!assert (do_string_escapes ("\\\\"), char (92)) |
ebeb3defae37
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diff
changeset
|
772 |
ebeb3defae37
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19128
diff
changeset
|
773 %!assert (do_string_escapes ('\''single-quoted\'''), "'single-quoted'") |
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parents:
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|
774 %!assert (do_string_escapes ("\\'single-quoted\\'"), "'single-quoted'") |
ebeb3defae37
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|
775 %!assert (do_string_escapes ('\"double-quoted\"'), "\"double-quoted\"") |
ebeb3defae37
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parents:
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|
776 %!assert (do_string_escapes ("\\\"double-quoted\\\""), "\"double-quoted\"") |
13094 | 777 |
20210
29eb47fe8e8c
Add support for octal and hex escape sequences in single-quoted *printf arguments (bug #39774).
Rik <rik@octave.org>
parents:
20194
diff
changeset
|
778 %!assert (do_string_escapes ('A\4B'), ["A" char(4) "B"]) |
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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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|
779 %!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).
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diff
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|
780 %!assert (do_string_escapes ('A\123B'), ["A" char(83) "B"]) |
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Add support for octal and hex escape sequences in single-quoted *printf arguments (bug #39774).
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|
781 %!assert (sprintf ('\117\143\164\141\166\145'), "Octave") |
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parents:
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diff
changeset
|
782 |
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783 %!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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changeset
|
784 %!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).
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|
785 %!assert (sprintf ('\x4f\x63\x74\x61\x76\x65'), "Octave") |
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|
786 |
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|
787 %!error do_string_escapes () |
eff4a5933e28
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|
788 %!error do_string_escapes ("foo", "bar") |
20210
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Add support for octal and hex escape sequences in single-quoted *printf arguments (bug #39774).
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|
789 %!error <STRING argument> do_string_escapes (3) |
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Add support for octal and hex escape sequences in single-quoted *printf arguments (bug #39774).
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|
790 %!warning <malformed hex escape sequence> do_string_escapes ('\xG'); |
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|
791 %!warning <unrecognized escape sequence> do_string_escapes ('\G'); |
13094 | 792 */ |
793 | |
1755 | 794 const char * |
801 | 795 undo_string_escape (char c) |
796 { | |
797 if (! c) | |
1755 | 798 return ""; |
801 | 799 |
800 switch (c) | |
801 { | |
3893 | 802 case '\0': |
803 return "\\0"; | |
804 | |
801 | 805 case '\a': |
806 return "\\a"; | |
807 | |
808 case '\b': // backspace | |
809 return "\\b"; | |
810 | |
811 case '\f': // formfeed | |
812 return "\\f"; | |
813 | |
814 case '\n': // newline | |
815 return "\\n"; | |
816 | |
817 case '\r': // carriage return | |
818 return "\\r"; | |
819 | |
820 case '\t': // horizontal tab | |
821 return "\\t"; | |
822 | |
823 case '\v': // vertical tab | |
824 return "\\v"; | |
825 | |
826 case '\\': // backslash | |
827 return "\\\\"; | |
828 | |
829 case '"': // double quote | |
830 return "\\\""; | |
831 | |
832 default: | |
1755 | 833 { |
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|
834 static char retval[2]; |
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|
835 retval[0] = c; |
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836 retval[1] = '\0'; |
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|
837 return retval; |
1755 | 838 } |
801 | 839 } |
840 } | |
841 | |
3536 | 842 std::string |
3523 | 843 undo_string_escapes (const std::string& s) |
801 | 844 { |
3523 | 845 std::string retval; |
801 | 846 |
1755 | 847 for (size_t i = 0; i < s.length (); i++) |
848 retval.append (undo_string_escape (s[i])); | |
801 | 849 |
1755 | 850 return retval; |
801 | 851 } |
852 | |
1957 | 853 DEFUN (undo_string_escapes, args, , |
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|
854 "-*- texinfo -*-\n\ |
3361 | 855 @deftypefn {Built-in Function} {} undo_string_escapes (@var{s})\n\ |
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Rik <rik@octave.org>
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|
856 Convert special characters in strings back to their escaped forms.\n\ |
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|
857 \n\ |
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|
858 For example, the expression\n\ |
3361 | 859 \n\ |
860 @example\n\ | |
861 bell = \"\\a\";\n\ | |
862 @end example\n\ | |
863 \n\ | |
864 @noindent\n\ | |
20172
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|
865 assigns the value of the alert character (control-g, ASCII code 7) to the\n\ |
4f45eaf83908
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Rik <rik@octave.org>
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866 string variable @code{bell}. If this string is printed, the system will\n\ |
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867 ring the terminal bell (if it is possible). This is normally the desired\n\ |
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868 outcome. However, sometimes it is useful to be able to print the original\n\ |
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869 representation of the string, with the special characters replaced by their\n\ |
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870 escape sequences. For example,\n\ |
3361 | 871 \n\ |
872 @example\n\ | |
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873 @group\n\ |
3361 | 874 octave:13> undo_string_escapes (bell)\n\ |
875 ans = \\a\n\ | |
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876 @end group\n\ |
3361 | 877 @end example\n\ |
878 \n\ | |
879 @noindent\n\ | |
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880 replaces the unprintable alert character with its printable representation.\n\ |
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881 @seealso{do_string_escapes}\n\ |
3361 | 882 @end deftypefn") |
801 | 883 { |
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884 if (args.length () != 1) |
5823 | 885 print_usage (); |
801 | 886 |
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887 std::string str = args(0).xstring_value ("undo_string_escapes: S argument must be a string"); |
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888 |
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889 return octave_value (undo_string_escapes (str)); |
801 | 890 } |
891 | |
13094 | 892 /* |
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893 %!assert (undo_string_escapes ("foo\nbar"), 'foo\nbar') |
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894 %!assert (undo_string_escapes ("foo\nbar"), "foo\\nbar") |
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895 %!assert (undo_string_escapes (["foo", char(10), "bar"]), "foo\\nbar") |
13094 | 896 |
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897 %!assert (undo_string_escapes ("\a\b\f\n\r\t\v"), '\a\b\f\n\r\t\v') |
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898 %!assert (undo_string_escapes ("\a\b\f\n\r\t\v"), "\\a\\b\\f\\n\\r\\t\\v") |
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899 %!assert (undo_string_escapes (char ([7, 8, 12, 10, 13, 9, 11])), |
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900 %! "\\a\\b\\f\\n\\r\\t\\v") |
13094 | 901 |
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902 %!assert (undo_string_escapes ("\\"), '\\') |
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903 %!assert (undo_string_escapes ("\\"), "\\\\") |
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904 %!assert (undo_string_escapes (char (92)), "\\\\") |
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905 |
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906 %!assert (undo_string_escapes ("\"double-quoted\""), '\"double-quoted\"') |
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907 %!assert (undo_string_escapes ("\"double-quoted\""), "\\\"double-quoted\\\"") |
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908 |
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909 %!error undo_string_escapes () |
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910 %!error undo_string_escapes ("foo", "bar") |
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911 %!error undo_string_escapes (3) |
13094 | 912 */ |
913 | |
8229 | 914 DEFUN (is_absolute_filename, args, , |
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915 "-*- texinfo -*-\n\ |
8229 | 916 @deftypefn {Built-in Function} {} is_absolute_filename (@var{file})\n\ |
917 Return true if @var{file} is an absolute filename.\n\ | |
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918 @seealso{is_rooted_relative_filename, make_absolute_filename, isdir}\n\ |
8229 | 919 @end deftypefn") |
920 { | |
921 octave_value retval = false; | |
922 | |
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923 if (args.length () != 1) |
8229 | 924 print_usage (); |
925 | |
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926 retval = (args(0).is_string () |
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927 && octave_env::absolute_pathname (args(0).string_value ())); |
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928 |
8229 | 929 return retval; |
930 } | |
931 | |
13094 | 932 /* |
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933 ## FIXME: We need system-dependent tests here. |
13094 | 934 |
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935 %!error is_absolute_filename () |
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936 %!error is_absolute_filename ("foo", "bar") |
13094 | 937 */ |
938 | |
8229 | 939 DEFUN (is_rooted_relative_filename, args, , |
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940 "-*- texinfo -*-\n\ |
8229 | 941 @deftypefn {Built-in Function} {} is_rooted_relative_filename (@var{file})\n\ |
942 Return true if @var{file} is a rooted-relative filename.\n\ | |
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943 @seealso{is_absolute_filename, make_absolute_filename, isdir}\n\ |
8229 | 944 @end deftypefn") |
945 { | |
946 octave_value retval = false; | |
947 | |
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948 if (args.length () != 1) |
8229 | 949 print_usage (); |
950 | |
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951 retval = (args(0).is_string () |
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952 && octave_env::rooted_relative_pathname (args(0).string_value ())); |
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953 |
8229 | 954 return retval; |
955 } | |
956 | |
13094 | 957 /* |
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958 ## FIXME: We need system-dependent tests here. |
13094 | 959 |
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960 %!error is_rooted_relative_filename () |
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961 %!error is_rooted_relative_filename ("foo", "bar") |
13094 | 962 */ |
963 | |
8229 | 964 DEFUN (make_absolute_filename, args, , |
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965 "-*- texinfo -*-\n\ |
8229 | 966 @deftypefn {Built-in Function} {} make_absolute_filename (@var{file})\n\ |
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967 Return the full name of @var{file} beginning from the root of the file\n\ |
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968 system.\n\ |
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969 \n\ |
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970 No check is done for the existence of @var{file}.\n\ |
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971 @seealso{canonicalize_file_name, is_absolute_filename, is_rooted_relative_filename, isdir}\n\ |
8229 | 972 @end deftypefn") |
973 { | |
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974 if (args.length () != 1) |
8229 | 975 print_usage (); |
976 | |
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977 std::string nm = args(0).xstring_value ("make_absolute_filename: FILE argument must be a filename"); |
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978 |
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979 return octave_value (octave_env::make_absolute (nm)); |
8229 | 980 } |
981 | |
13094 | 982 /* |
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983 ## FIXME: We need system-dependent tests here. |
13094 | 984 |
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985 %!error make_absolute_filename () |
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986 %!error make_absolute_filename ("foo", "bar") |
13094 | 987 */ |
988 | |
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989 DEFUN (dir_in_loadpath, args, , |
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990 "-*- texinfo -*-\n\ |
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991 @deftypefn {Built-in Function} {} dir_in_loadpath (@var{dir})\n\ |
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992 @deftypefnx {Built-in Function} {} dir_in_loadpath (@var{dir}, \"all\")\n\ |
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993 Return the full name of the path element matching @var{dir}.\n\ |
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994 \n\ |
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995 The match is performed at the end of each path element. For example, if\n\ |
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996 @var{dir} is @qcode{\"foo/bar\"}, it matches the path element\n\ |
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997 @nospell{@qcode{\"/some/dir/foo/bar\"}}, but not\n\ |
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998 @nospell{@qcode{\"/some/dir/foo/bar/baz\"}}\n\ |
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999 @nospell{@qcode{\"/some/dir/allfoo/bar\"}}.\n\ |
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1000 \n\ |
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1001 If the optional second argument is supplied, return a cell array containing\n\ |
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1002 all name matches rather than just the first.\n\ |
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1003 @seealso{file_in_path, file_in_loadpath, path}\n\ |
8229 | 1004 @end deftypefn") |
1005 { | |
1006 octave_value retval = std::string (); | |
1007 | |
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1008 int nargin = args.length (); |
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1009 |
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1010 if (nargin < 1 || nargin > 2) |
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1011 print_usage (); |
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1012 |
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1013 std::string dir; |
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1014 |
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1015 dir = args(0).xstring_value ("dir_in_loadpath: DIR must be a directory name"); |
8229 | 1016 |
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1017 if (nargin == 1) |
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1018 retval = load_path::find_dir (dir); |
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1019 else if (nargin == 2) |
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1020 retval = Cell (load_path::find_matching_dirs (dir)); |
8229 | 1021 |
1022 return retval; | |
1023 } | |
1024 | |
13094 | 1025 /* |
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1026 %!test |
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1027 %! f = dir_in_loadpath ("plot"); |
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1028 %! assert (ischar (f)); |
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1029 %! assert (! isempty (f)); |
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1030 |
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1031 %!test |
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1032 %! f = dir_in_loadpath ("$$probably_!!_not_&&_a_!!_dir$$"); |
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1033 %! assert (f, ""); |
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1034 |
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1035 %!test |
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1036 %! lst = dir_in_loadpath ("$$probably_!!_not_&&_a_!!_dir$$", "all"); |
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1037 %! assert (lst, {}); |
13094 | 1038 |
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1039 %!error dir_in_loadpath () |
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1040 %!error dir_in_loadpath ("foo", "bar", 1) |
13094 | 1041 */ |
1042 | |
5465 | 1043 DEFUNX ("errno", Ferrno, args, , |
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1044 "-*- texinfo -*-\n\ |
10840 | 1045 @deftypefn {Built-in Function} {@var{err} =} errno ()\n\ |
5465 | 1046 @deftypefnx {Built-in Function} {@var{err} =} errno (@var{val})\n\ |
1047 @deftypefnx {Built-in Function} {@var{err} =} errno (@var{name})\n\ | |
1048 Return the current value of the system-dependent variable errno,\n\ | |
1049 set its value to @var{val} and return the previous value, or return\n\ | |
1050 the named error code given @var{name} as a character string, or -1\n\ | |
1051 if @var{name} is not found.\n\ | |
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1052 @seealso{errno_list}\n\ |
3716 | 1053 @end deftypefn") |
1054 { | |
1055 octave_value retval; | |
1056 | |
5465 | 1057 int nargin = args.length (); |
1058 | |
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1059 if (nargin > 1) |
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1060 print_usage (); |
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1061 |
5465 | 1062 if (nargin == 1) |
1063 { | |
1064 if (args(0).is_string ()) | |
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1065 { |
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1066 std::string nm = args(0).string_value (); |
5465 | 1067 |
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1068 retval = octave_errno::lookup (nm); |
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1069 } |
5465 | 1070 else |
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1071 { |
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1072 int val = args(0).xint_value ("errno: argument must be string or integer"); |
5465 | 1073 |
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1074 retval = octave_errno::set (val); |
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1075 } |
5465 | 1076 } |
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1077 else |
5465 | 1078 retval = octave_errno::get (); |
3716 | 1079 |
1080 return retval; | |
1081 } | |
1082 | |
13094 | 1083 /* |
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1084 %!assert (isnumeric (errno ())) |
13094 | 1085 |
1086 %!test | |
1087 %! lst = errno_list (); | |
1088 %! fns = fieldnames (lst); | |
1089 %! oldval = errno (fns{1}); | |
1090 %! assert (isnumeric (oldval)); | |
1091 %! errno (oldval); | |
1092 %! newval = errno (); | |
1093 %! assert (oldval, newval); | |
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1094 |
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1095 %!error errno ("foo", 1) |
13094 | 1096 */ |
1097 | |
5465 | 1098 DEFUN (errno_list, args, , |
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1099 "-*- texinfo -*-\n\ |
5465 | 1100 @deftypefn {Built-in Function} {} errno_list ()\n\ |
1101 Return a structure containing the system-dependent errno values.\n\ | |
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1102 @seealso{errno}\n\ |
5465 | 1103 @end deftypefn") |
1104 { | |
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1105 if (args.length () != 0) |
5823 | 1106 print_usage (); |
5465 | 1107 |
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1108 return octave_value (octave_errno::list ()); |
5465 | 1109 } |
3716 | 1110 |
13094 | 1111 /* |
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1112 %!assert (isstruct (errno_list ())) |
13094 | 1113 |
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1114 %!error errno_list ("foo") |
13094 | 1115 */ |
1116 | |
2285 | 1117 static void |
5275 | 1118 check_dimensions (octave_idx_type& nr, octave_idx_type& nc, const char *warnfor) |
3354 | 1119 { |
1120 if (nr < 0 || nc < 0) | |
1121 { | |
5781 | 1122 warning_with_id ("Octave:neg-dim-as-zero", |
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1123 "%s: converting negative dimension to zero", warnfor); |
3354 | 1124 |
4457 | 1125 nr = (nr < 0) ? 0 : nr; |
1126 nc = (nc < 0) ? 0 : nc; | |
3354 | 1127 } |
1128 } | |
1129 | |
1130 void | |
4513 | 1131 check_dimensions (dim_vector& dim, const char *warnfor) |
4481 | 1132 { |
1133 bool neg = false; | |
1134 | |
1135 for (int i = 0; i < dim.length (); i++) | |
1136 { | |
1137 if (dim(i) < 0) | |
1138 { | |
1139 dim(i) = 0; | |
1140 neg = true; | |
1141 } | |
1142 } | |
1143 | |
5781 | 1144 if (neg) |
1145 warning_with_id ("Octave:neg-dim-as-zero", | |
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1146 "%s: converting negative dimension to zero", warnfor); |
4481 | 1147 } |
1148 | |
1149 | |
1150 void | |
1151 get_dimensions (const octave_value& a, const char *warn_for, | |
4513 | 1152 dim_vector& dim) |
4481 | 1153 { |
1154 if (a.is_scalar_type ()) | |
1155 { | |
1156 dim.resize (2); | |
4732 | 1157 dim(0) = a.int_value (); |
4481 | 1158 dim(1) = dim(0); |
1159 } | |
1160 else | |
1161 { | |
5275 | 1162 octave_idx_type nr = a.rows (); |
1163 octave_idx_type nc = a.columns (); | |
4481 | 1164 |
1165 if (nr == 1 || nc == 1) | |
1166 { | |
1167 Array<double> v = a.vector_value (); | |
1168 | |
20232
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Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
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1169 octave_idx_type n = v.numel (); |
4481 | 1170 dim.resize (n); |
5275 | 1171 for (octave_idx_type i = 0; i < n; i++) |
4783 | 1172 dim(i) = static_cast<int> (fix (v(i))); |
4481 | 1173 } |
1174 else | |
5257 | 1175 error ("%s (A): use %s (size (A)) instead", warn_for, warn_for); |
4481 | 1176 } |
1177 | |
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1178 check_dimensions (dim, warn_for); |
4481 | 1179 } |
1180 | |
1181 | |
1182 void | |
3354 | 1183 get_dimensions (const octave_value& a, const char *warn_for, |
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1184 octave_idx_type& nr, octave_idx_type& nc) |
3354 | 1185 { |
1186 if (a.is_scalar_type ()) | |
1187 { | |
4732 | 1188 nr = nc = a.int_value (); |
3354 | 1189 } |
1190 else | |
1191 { | |
1192 nr = a.rows (); | |
1193 nc = a.columns (); | |
1194 | |
1195 if ((nr == 1 && nc == 2) || (nr == 2 && nc == 1)) | |
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1196 { |
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1197 Array<double> v = a.vector_value (); |
3354 | 1198 |
1199 | |
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1200 nr = static_cast<octave_idx_type> (fix (v (0))); |
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1201 nc = static_cast<octave_idx_type> (fix (v (1))); |
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1202 } |
3354 | 1203 else |
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1204 error ("%s (A): use %s (size (A)) instead", warn_for, warn_for); |
3354 | 1205 } |
1206 | |
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1207 check_dimensions (nr, nc, warn_for); |
3354 | 1208 } |
1209 | |
1210 void | |
1211 get_dimensions (const octave_value& a, const octave_value& b, | |
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1212 const char *warn_for, octave_idx_type& nr, octave_idx_type& nc) |
3354 | 1213 { |
20711
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1214 nr = a.is_empty () |
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1215 ? 0 : a.int_value ("%s: row dimension must be a scalar", warn_for); |
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1216 nc = b.is_empty () |
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1217 ? 0 : b.int_value ("%s: column dimension must be a scalar", warn_for); |
3354 | 1218 |
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1219 check_dimensions (nr, nc, warn_for); |
3354 | 1220 } |
1221 | |
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1222 octave_idx_type |
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1223 dims_to_numel (const dim_vector& dims, const octave_value_list& idx_arg) |
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1224 { |
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1225 octave_idx_type retval; |
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1226 |
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1227 octave_idx_type len = idx_arg.length (); |
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1228 |
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1229 if (len == 0) |
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1230 retval = dims.numel (); |
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1231 else |
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1232 { |
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1233 const dim_vector dv = dims.redim (len); |
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1234 retval = 1; |
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1235 for (octave_idx_type i = 0; i < len; i++) |
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1236 { |
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1237 octave_value idxi = idx_arg(i); |
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1238 if (idxi.is_magic_colon ()) |
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1239 retval *= dv(i); |
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1240 else if (idxi.is_numeric_type ()) |
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1241 retval *= idxi.numel (); |
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1242 else |
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1243 { |
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1244 try |
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1245 { |
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1246 idx_vector jdx = idxi.index_vector (); |
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1247 |
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1248 retval *= jdx.length (dv(i)); |
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1249 } |
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1250 catch (const index_exception& e) |
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1251 { |
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1252 std::string idx = e.idx (); |
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1253 std::string msg = e.details (); |
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1254 |
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1255 error ("dims_to_numel: Invalid IDX %s. %s", |
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1256 idx.c_str (), msg.c_str ()); |
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1257 } |
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1258 } |
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1259 } |
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1260 } |
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1261 |
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1262 return retval; |
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1263 } |
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1264 |
4478 | 1265 Matrix |
5275 | 1266 identity_matrix (octave_idx_type nr, octave_idx_type nc) |
4478 | 1267 { |
1268 Matrix m (nr, nc, 0.0); | |
1269 | |
1270 if (nr > 0 && nc > 0) | |
1271 { | |
5275 | 1272 octave_idx_type n = std::min (nr, nc); |
4478 | 1273 |
5275 | 1274 for (octave_idx_type i = 0; i < n; i++) |
10315
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untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10257
diff
changeset
|
1275 m (i, i) = 1.0; |
4478 | 1276 } |
1277 | |
1278 return m; | |
1279 } | |
1280 | |
7789
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1281 FloatMatrix |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7481
diff
changeset
|
1282 float_identity_matrix (octave_idx_type nr, octave_idx_type nc) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1283 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7481
diff
changeset
|
1284 FloatMatrix m (nr, nc, 0.0); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1285 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7481
diff
changeset
|
1286 if (nr > 0 && nc > 0) |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1287 { |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1288 octave_idx_type n = std::min (nr, nc); |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1289 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
7481
diff
changeset
|
1290 for (octave_idx_type i = 0; i < n; i++) |
10315
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untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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|
1291 m (i, i) = 1.0; |
7789
82be108cc558
First attempt at single precision tyeps
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diff
changeset
|
1292 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
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diff
changeset
|
1293 |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1294 return m; |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1295 } |
82be108cc558
First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1296 |
13991
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
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changeset
|
1297 size_t |
3622 | 1298 octave_format (std::ostream& os, const char *fmt, ...) |
3620 | 1299 { |
13991
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1300 size_t retval; |
3620 | 1301 |
1302 va_list args; | |
1303 va_start (args, fmt); | |
1304 | |
1305 retval = octave_vformat (os, fmt, args); | |
1306 | |
1307 va_end (args); | |
1308 | |
1309 return retval; | |
1310 } | |
1311 | |
13991
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
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|
1312 size_t |
3622 | 1313 octave_vformat (std::ostream& os, const char *fmt, va_list args) |
3620 | 1314 { |
14005
f8556baf1949
rename octave_vsnprintf and octave_snprintf
John W. Eaton <jwe@octave.org>
parents:
13991
diff
changeset
|
1315 std::string s = octave_vasprintf (fmt, args); |
3620 | 1316 |
13991
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1317 os << s; |
3620 | 1318 |
13991
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1319 return s.length (); |
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1320 } |
4135 | 1321 |
13991
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
1322 std::string |
14005
f8556baf1949
rename octave_vsnprintf and octave_snprintf
John W. Eaton <jwe@octave.org>
parents:
13991
diff
changeset
|
1323 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
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|
1324 { |
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
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13932
diff
changeset
|
1325 std::string retval; |
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1326 |
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1327 char *result; |
4302 | 1328 |
14005
f8556baf1949
rename octave_vsnprintf and octave_snprintf
John W. Eaton <jwe@octave.org>
parents:
13991
diff
changeset
|
1329 int status = gnulib::vasprintf (&result, fmt, args); |
4302 | 1330 |
13991
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1331 if (status >= 0) |
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1332 { |
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1333 retval = result; |
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
13932
diff
changeset
|
1334 ::free (result); |
4302 | 1335 } |
3620 | 1336 |
1337 return retval; | |
1338 } | |
1339 | |
13991
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1340 std::string |
14005
f8556baf1949
rename octave_vsnprintf and octave_snprintf
John W. Eaton <jwe@octave.org>
parents:
13991
diff
changeset
|
1341 octave_asprintf (const char *fmt, ...) |
4302 | 1342 { |
13991
051a8f94b6f8
avoid memory issue with octave_vsnprintf
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1343 std::string retval; |
4302 | 1344 |
1345 va_list args; | |
1346 va_start (args, fmt); | |
1347 | |
14005
f8556baf1949
rename octave_vsnprintf and octave_snprintf
John W. Eaton <jwe@octave.org>
parents:
13991
diff
changeset
|
1348 retval = octave_vasprintf (fmt, args); |
4302 | 1349 |
1350 va_end (args); | |
1351 | |
1352 return retval; | |
1353 } | |
1354 | |
4086 | 1355 void |
1356 octave_sleep (double seconds) | |
1357 { | |
1358 if (seconds > 0) | |
1359 { | |
1360 double t; | |
1361 | |
4093 | 1362 unsigned int usec |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10257
diff
changeset
|
1363 = static_cast<unsigned int> (modf (seconds, &t) * 1000000); |
4086 | 1364 |
4093 | 1365 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
|
1366 = ((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
|
1367 ? 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
|
1368 : static_cast<unsigned int> (t)); |
4086 | 1369 |
5770 | 1370 // Versions of these functions that accept unsigned int args are |
1371 // defined in cutils.c. | |
4086 | 1372 octave_sleep (sec); |
1373 octave_usleep (usec); | |
10070
897e62651c0a
correctly handle interrupts in pause()
Jaroslav Hajek <highegg@gmail.com>
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10066
diff
changeset
|
1374 |
10142
829e69ec3110
make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents:
10086
diff
changeset
|
1375 octave_quit (); |
4086 | 1376 } |
1377 } | |
1378 | |
9487
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
1379 DEFUN (isindex, args, , |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
17744
diff
changeset
|
1380 "-*- texinfo -*-\n\ |
11431
0d9640d755b1
Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents:
11066
diff
changeset
|
1381 @deftypefn {Built-in Function} {} isindex (@var{ind})\n\ |
0d9640d755b1
Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
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11066
diff
changeset
|
1382 @deftypefnx {Built-in Function} {} isindex (@var{ind}, @var{n})\n\ |
20084
4d0c7fec0a31
doc: Explain treatment of strings by isindex() (bug #44855).
Rik <rik@octave.org>
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diff
changeset
|
1383 Return true if @var{ind} is a valid index.\n\ |
4d0c7fec0a31
doc: Explain treatment of strings by isindex() (bug #44855).
Rik <rik@octave.org>
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diff
changeset
|
1384 \n\ |
4d0c7fec0a31
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Rik <rik@octave.org>
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19743
diff
changeset
|
1385 Valid indices are either positive integers (although possibly of real data\n\ |
20172
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20101
diff
changeset
|
1386 type), or logical arrays.\n\ |
4f45eaf83908
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
20101
diff
changeset
|
1387 \n\ |
4f45eaf83908
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Rik <rik@octave.org>
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20101
diff
changeset
|
1388 If present, @var{n} specifies the maximum extent of the dimension to be\n\ |
4f45eaf83908
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Rik <rik@octave.org>
parents:
20101
diff
changeset
|
1389 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:
20101
diff
changeset
|
1390 indexing using @var{ind} will not perform the check again.\n\ |
20084
4d0c7fec0a31
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Rik <rik@octave.org>
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changeset
|
1391 \n\ |
4d0c7fec0a31
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Rik <rik@octave.org>
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19743
diff
changeset
|
1392 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:
19743
diff
changeset
|
1393 checks for valid indices are made. Unless a string contains the NULL\n\ |
20317
2ec049e50ed8
doc: Fix backslash characters in docstrings
Mike Miller <mtmiller@octave.org>
parents:
20194
diff
changeset
|
1394 character @nospell{\"@xbackslashchar{}0\"}, it will always be a valid index.\n\ |
9487
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
1395 @end deftypefn") |
2894af292e69
implement isindex function
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9173
diff
changeset
|
1396 { |
2894af292e69
implement isindex function
Jaroslav Hajek <highegg@gmail.com>
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9173
diff
changeset
|
1397 octave_value retval; |
20800
fb128aafc322
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1398 |
fb128aafc322
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20756
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changeset
|
1399 octave_idx_type n = 0; |
fb128aafc322
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1400 |
9487
2894af292e69
implement isindex function
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diff
changeset
|
1401 int nargin = args.length (); |
20800
fb128aafc322
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John W. Eaton <jwe@octave.org>
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20756
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changeset
|
1402 |
fb128aafc322
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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20756
diff
changeset
|
1403 if (nargin < 1 || nargin > 2) |
fb128aafc322
eliminate return statements after calls to print_usage
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20756
diff
changeset
|
1404 print_usage (); |
9487
2894af292e69
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9173
diff
changeset
|
1405 |
2894af292e69
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diff
changeset
|
1406 if (nargin == 2) |
2894af292e69
implement isindex function
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diff
changeset
|
1407 n = args(1).idx_type_value (); |
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changeset
|
1408 |
20559
0650b8431037
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diff
changeset
|
1409 unwind_protect frame; |
10605
1834132fb50b
allow non-integer ranges as indices conditionally
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1410 |
20559
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diff
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|
1411 frame.protect_var (discard_error_messages); |
0650b8431037
eliminate more simple uses of error_state
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20542
diff
changeset
|
1412 discard_error_messages = true; |
9487
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|
1413 |
20559
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changeset
|
1414 try |
0650b8431037
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changeset
|
1415 { |
0650b8431037
eliminate more simple uses of error_state
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diff
changeset
|
1416 idx_vector idx = args(0).index_vector (true); |
18130
e473c4853afc
enable non-integer ranges as indices by default and deprecate preference
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18105
diff
changeset
|
1417 |
20559
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20542
diff
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|
1418 if (nargin == 2) |
0650b8431037
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changeset
|
1419 retval = idx.extent (n) <= n; |
0650b8431037
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diff
changeset
|
1420 else |
0650b8431037
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|
1421 retval = true; |
0650b8431037
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|
1422 } |
0650b8431037
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changeset
|
1423 catch (const octave_execution_exception&) |
0650b8431037
eliminate more simple uses of error_state
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20542
diff
changeset
|
1424 { |
20756
200ae1d650b7
propagate octave_execution_exception objects through try/catch blocks
John W. Eaton <jwe@octave.org>
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20713
diff
changeset
|
1425 recover_from_exception (); |
200ae1d650b7
propagate octave_execution_exception objects through try/catch blocks
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20713
diff
changeset
|
1426 |
20559
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|
1427 retval = false; |
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|
1428 } |
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|
1429 |
2894af292e69
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|
1430 return retval; |
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|
1431 } |
2894af292e69
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changeset
|
1432 |
13094 | 1433 /* |
14429
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Update %!tests in src/ directory with Octave coding conventions.
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changeset
|
1434 %!assert (isindex ([1, 2, 3])) |
eff4a5933e28
Update %!tests in src/ directory with Octave coding conventions.
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diff
changeset
|
1435 %!assert (isindex (1:3)) |
19138
ebeb3defae37
codesprint: Add tests to various interpreter utility functions
Mike Miller <mtmiller@ieee.org>
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19128
diff
changeset
|
1436 %!assert (isindex (1:3, 2), false) |
14429
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Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
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14138
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changeset
|
1437 %!assert (isindex ([1, 2, -3]), false) |
13094 | 1438 |
14429
eff4a5933e28
Update %!tests in src/ directory with Octave coding conventions.
Rik <octave@nomad.inbox5.com>
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diff
changeset
|
1439 %!error isindex () |
19138
ebeb3defae37
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Mike Miller <mtmiller@ieee.org>
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changeset
|
1440 %!error isindex (1:3, 2, 3) |
13094 | 1441 */ |
1442 | |
10086
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
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|
1443 octave_value_list |
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allow more cells in strfind/strrep + supply a general mechanism
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diff
changeset
|
1444 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>
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11575
diff
changeset
|
1445 const char *fun_name, const octave_value_list& args, |
10086
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|
1446 int nargout) |
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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|
1447 { |
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allow more cells in strfind/strrep + supply a general mechanism
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parents:
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diff
changeset
|
1448 octave_value_list new_args = args, retval; |
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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|
1449 int nargin = args.length (); |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1450 OCTAVE_LOCAL_BUFFER (bool, iscell, nargin); |
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allow more cells in strfind/strrep + supply a general mechanism
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parents:
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diff
changeset
|
1451 OCTAVE_LOCAL_BUFFER (Cell, cells, nargin); |
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
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|
1452 OCTAVE_LOCAL_BUFFER (Cell, rcells, nargout); |
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allow more cells in strfind/strrep + supply a general mechanism
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|
1453 |
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allow more cells in strfind/strrep + supply a general mechanism
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parents:
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|
1454 const Cell *ccells = cells; |
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allow more cells in strfind/strrep + supply a general mechanism
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|
1455 |
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1456 octave_idx_type numel = 1; |
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
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|
1457 dim_vector dims (1, 1); |
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1458 |
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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changeset
|
1459 for (int i = 0; i < nargin; i++) |
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Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
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|
1460 { |
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
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|
1461 octave_value arg = new_args(i); |
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
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|
1462 iscell[i] = arg.is_cell (); |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1463 if (iscell[i]) |
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
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|
1464 { |
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1465 cells[i] = arg.cell_value (); |
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1466 octave_idx_type n = ccells[i].numel (); |
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1467 if (n == 1) |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11575
diff
changeset
|
1468 { |
10086
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
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diff
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|
1469 iscell[i] = false; |
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1470 new_args(i) = ccells[i](0); |
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Jaroslav Hajek <highegg@gmail.com>
parents:
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|
1471 } |
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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changeset
|
1472 else if (numel == 1) |
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
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diff
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|
1473 { |
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allow more cells in strfind/strrep + supply a general mechanism
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parents:
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|
1474 numel = n; |
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
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|
1475 dims = ccells[i].dims (); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
1476 } |
10086
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allow more cells in strfind/strrep + supply a general mechanism
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parents:
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diff
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|
1477 else if (dims != ccells[i].dims ()) |
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Jaroslav Hajek <highegg@gmail.com>
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diff
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|
1478 { |
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1479 error ("%s: cell arguments must have matching sizes", fun_name); |
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
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|
1480 break; |
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Jaroslav Hajek <highegg@gmail.com>
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diff
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|
1481 } |
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|
1482 } |
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parents:
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|
1483 } |
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Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1484 |
20559
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John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
1485 for (int i = 0; i < nargout; i++) |
0650b8431037
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John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
1486 rcells[i].clear (dims); |
10086
76df75b10c80
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|
1487 |
20559
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
1488 for (octave_idx_type j = 0; j < numel; j++) |
0650b8431037
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parents:
20542
diff
changeset
|
1489 { |
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
1490 for (int i = 0; i < nargin; i++) |
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eliminate more simple uses of error_state
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parents:
20542
diff
changeset
|
1491 if (iscell[i]) |
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
1492 new_args(i) = ccells[i](j); |
10086
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parents:
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diff
changeset
|
1493 |
20559
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
1494 octave_quit (); |
10086
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parents:
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diff
changeset
|
1495 |
20559
0650b8431037
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John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
1496 const octave_value_list tmp = fun (new_args, nargout); |
10086
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Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
1497 |
20559
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
1498 if (tmp.length () < nargout) |
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
1499 { |
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
1500 error ("%s: do_simple_cellfun: internal error", fun_name); |
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
1501 break; |
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
1502 } |
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
1503 else |
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
1504 { |
0650b8431037
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John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
1505 for (int i = 0; i < nargout; i++) |
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
1506 rcells[i](j) = tmp(i); |
10086
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|
1507 } |
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Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
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|
1508 } |
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Jaroslav Hajek <highegg@gmail.com>
parents:
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changeset
|
1509 |
20559
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
1510 retval.resize (nargout); |
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
1511 |
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20542
diff
changeset
|
1512 for (int i = 0; i < nargout; i++) |
0650b8431037
eliminate more simple uses of error_state
John W. Eaton <jwe@octave.org>
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20542
diff
changeset
|
1513 retval(i) = rcells[i]; |
10086
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Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
1514 |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
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parents:
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diff
changeset
|
1515 return retval; |
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Jaroslav Hajek <highegg@gmail.com>
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diff
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|
1516 } |
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1517 |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
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parents:
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diff
changeset
|
1518 octave_value |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
1519 do_simple_cellfun (octave_value_list (*fun) (const octave_value_list&, int), |
76df75b10c80
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Jaroslav Hajek <highegg@gmail.com>
parents:
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changeset
|
1520 const char *fun_name, const octave_value_list& args) |
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
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|
1521 { |
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
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changeset
|
1522 octave_value retval; |
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
1523 const octave_value_list tmp = do_simple_cellfun (fun, fun_name, args, 1); |
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allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
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|
1524 if (tmp.length () > 0) |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
1525 retval = tmp(0); |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
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changeset
|
1526 |
76df75b10c80
allow more cells in strfind/strrep + supply a general mechanism
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changeset
|
1527 return retval; |
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allow more cells in strfind/strrep + supply a general mechanism
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changeset
|
1528 } |
17818
f1b59ef34eda
attempt to avoid setting persistent state on i/o streams (bug #40396)
John W. Eaton <jwe@octave.org>
parents:
17787
diff
changeset
|
1529 |
f1b59ef34eda
attempt to avoid setting persistent state on i/o streams (bug #40396)
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1530 octave_preserve_stream_state::~octave_preserve_stream_state (void) |
f1b59ef34eda
attempt to avoid setting persistent state on i/o streams (bug #40396)
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diff
changeset
|
1531 { |
f1b59ef34eda
attempt to avoid setting persistent state on i/o streams (bug #40396)
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17787
diff
changeset
|
1532 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
|
1533 stream.precision (oprecision); |
f1b59ef34eda
attempt to avoid setting persistent state on i/o streams (bug #40396)
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17787
diff
changeset
|
1534 stream.width (owidth); |
f1b59ef34eda
attempt to avoid setting persistent state on i/o streams (bug #40396)
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17787
diff
changeset
|
1535 stream.fill (ofill); |
f1b59ef34eda
attempt to avoid setting persistent state on i/o streams (bug #40396)
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17787
diff
changeset
|
1536 } |
19128
4990d5988cf5
new function, isstudent (bug #43155)
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parents:
19030
diff
changeset
|
1537 |
4990d5988cf5
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19030
diff
changeset
|
1538 DEFUN (isstudent, args, , |
4990d5988cf5
new function, isstudent (bug #43155)
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19030
diff
changeset
|
1539 "-*- texinfo -*-\n\ |
19152
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
19138
diff
changeset
|
1540 @deftypefn {Built-in Function} {} isstudent ()\n\ |
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
19138
diff
changeset
|
1541 Return true if running in the student edition of @sc{matlab}.\n\ |
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
19138
diff
changeset
|
1542 \n\ |
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
19138
diff
changeset
|
1543 @code{isstudent} always returns false in Octave.\n\ |
19128
4990d5988cf5
new function, isstudent (bug #43155)
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diff
changeset
|
1544 @seealso{false}\n\ |
4990d5988cf5
new function, isstudent (bug #43155)
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19030
diff
changeset
|
1545 @end deftypefn") |
4990d5988cf5
new function, isstudent (bug #43155)
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19030
diff
changeset
|
1546 { |
4990d5988cf5
new function, isstudent (bug #43155)
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19030
diff
changeset
|
1547 if (args.length () != 0) |
4990d5988cf5
new function, isstudent (bug #43155)
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19030
diff
changeset
|
1548 print_usage (); |
4990d5988cf5
new function, isstudent (bug #43155)
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19030
diff
changeset
|
1549 |
4990d5988cf5
new function, isstudent (bug #43155)
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19030
diff
changeset
|
1550 return octave_value (false); |
4990d5988cf5
new function, isstudent (bug #43155)
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19030
diff
changeset
|
1551 } |
4990d5988cf5
new function, isstudent (bug #43155)
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19030
diff
changeset
|
1552 |
4990d5988cf5
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19030
diff
changeset
|
1553 /* |
19152
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
19138
diff
changeset
|
1554 %!assert (isstudent (), false) |
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
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19138
diff
changeset
|
1555 |
0f9c5a15c8fa
doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents:
19138
diff
changeset
|
1556 %!error isstudent (1) |
19128
4990d5988cf5
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changeset
|
1557 */ |