Mercurial > hg > octave-nkf
annotate src/strfns.cc @ 7948:af10baa63915 ss-3-1-50
3.1.50 snapshot
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Fri, 18 Jul 2008 17:42:48 -0400 |
| parents | 26d8a92644de |
| children | 349a555729a9 |
| rev | line source |
|---|---|
| 807 | 1 /* |
| 2 | |
| 7017 | 3 Copyright (C) 1994, 1995, 1996, 1997, 1999, 2002, 2003, 2004, 2005, |
| 4 2006, 2007 John W. Eaton | |
| 807 | 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. | |
| 807 | 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/>. | |
| 807 | 21 |
| 22 */ | |
| 23 | |
| 24 #ifdef HAVE_CONFIG_H | |
| 1192 | 25 #include <config.h> |
| 807 | 26 #endif |
| 27 | |
| 1355 | 28 #include <cctype> |
|
7528
26d8a92644de
try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
29 |
| 5765 | 30 #include <sstream> |
| 807 | 31 |
| 32 #include "dMatrix.h" | |
| 33 | |
| 5416 | 34 #include "Cell.h" |
| 1355 | 35 #include "defun.h" |
| 807 | 36 #include "error.h" |
| 37 #include "gripes.h" | |
| 2366 | 38 #include "ov.h" |
| 1355 | 39 #include "oct-obj.h" |
| 4457 | 40 #include "unwind-prot.h" |
| 807 | 41 #include "utils.h" |
| 42 | |
| 4358 | 43 DEFUN (char, args, , |
| 44 "-*- texinfo -*-\n\ | |
| 45 @deftypefn {Built-in Function} {} char (@var{x})\n\ | |
| 46 @deftypefnx {Built-in Function} {} char (@var{cell_array})\n\ | |
| 47 @deftypefnx {Built-in Function} {} char (@var{s1}, @var{s2}, @dots{})\n\ | |
| 48 Create a string array from a numeric matrix, cell array, or list of\n\ | |
| 49 \n\ | |
| 50 If the argument is a numeric matrix, each element of the matrix is\n\ | |
| 51 converted to the corresponding ASCII character. For example,\n\ | |
| 52 \n\ | |
| 53 @example\n\ | |
| 54 @group\n\ | |
| 4734 | 55 char ([97, 98, 99])\n\ |
| 4358 | 56 @result{} \"abc\"\n\ |
| 57 @end group\n\ | |
| 58 @end example\n\ | |
| 59 \n\ | |
| 60 If the argument is a cell array of strings, the result is a string array\n\ | |
| 61 with each element corresponding to one element of the cell array.\n\ | |
| 62 \n\ | |
| 63 For multiple string arguments, the result is a string array with each\n\ | |
| 64 element corresponding to the arguments.\n\ | |
| 65 \n\ | |
| 66 The returned values are padded with blanks as needed to make each row\n\ | |
| 67 of the string array have the same length.\n\ | |
| 68 @end deftypefn") | |
| 69 { | |
| 70 octave_value retval; | |
| 71 | |
| 72 int nargin = args.length (); | |
| 73 | |
| 74 if (nargin == 1) | |
| 5281 | 75 retval = args(0).convert_to_str (true, true, |
| 76 args(0).is_dq_string () ? '"' : '\''); | |
| 4358 | 77 else if (nargin > 1) |
| 78 { | |
| 79 int n_elts = 0; | |
| 80 | |
| 81 int max_len = 0; | |
| 82 | |
| 83 for (int i = 0; i < nargin; i++) | |
| 84 { | |
| 5707 | 85 string_vector s = args(i).all_strings (); |
| 4358 | 86 |
| 87 if (error_state) | |
| 88 { | |
| 4457 | 89 error ("char: unable to convert some args to strings"); |
| 4358 | 90 return retval; |
| 91 } | |
| 92 | |
| 93 n_elts += s.length (); | |
| 94 | |
| 95 int s_max_len = s.max_length (); | |
| 96 | |
| 97 if (s_max_len > max_len) | |
| 98 max_len = s_max_len; | |
| 99 } | |
| 100 | |
| 101 string_vector result (n_elts); | |
| 102 | |
| 103 int k = 0; | |
| 104 | |
| 105 for (int i = 0; i < nargin; i++) | |
| 106 { | |
| 5707 | 107 string_vector s = args(i).all_strings (); |
| 4358 | 108 |
| 109 int n = s.length (); | |
| 110 | |
| 111 for (int j = 0; j < n; j++) | |
| 112 { | |
| 113 std::string t = s[j]; | |
| 114 int t_len = t.length (); | |
| 115 | |
| 116 if (max_len > t_len) | |
| 117 t += std::string (max_len - t_len, ' '); | |
| 118 | |
| 119 result[k++] = t; | |
| 120 } | |
| 121 } | |
| 122 | |
| 5280 | 123 retval = octave_value (result, '\''); |
| 4358 | 124 } |
| 125 else | |
| 5823 | 126 print_usage (); |
| 4358 | 127 |
| 128 return retval; | |
| 129 } | |
| 130 | |
| 4535 | 131 DEFUN (ischar, args, , |
| 3361 | 132 "-*- texinfo -*-\n\ |
| 4535 | 133 @deftypefn {Built-in Function} {} ischar (@var{a})\n\ |
| 3361 | 134 Return 1 if @var{a} is a string. Otherwise, return 0.\n\ |
| 135 @end deftypefn") | |
| 807 | 136 { |
| 4233 | 137 octave_value retval; |
| 807 | 138 |
| 139 int nargin = args.length (); | |
| 140 | |
| 141 if (nargin == 1 && args(0).is_defined ()) | |
| 4233 | 142 retval = args(0).is_string (); |
| 807 | 143 else |
| 5823 | 144 print_usage (); |
| 807 | 145 |
| 146 return retval; | |
| 147 } | |
| 148 | |
| 5415 | 149 DEFUN (strcmp, args, , |
| 150 "-*- texinfo -*-\n\ | |
| 6678 | 151 @deftypefn {Built-in Function} {} strcmp (@var{s1}, @var{s2})\n\ |
| 5415 | 152 Return 1 if the character strings @var{s1} and @var{s2} are the same,\n\ |
| 153 and 0 otherwise.\n\ | |
| 5674 | 154 \n\ |
| 155 If either @var{s1} or @var{s2} is a cell array of strings, then an array\n\ | |
| 156 of the same size is returned, containing the values described above for\n\ | |
| 157 every member of the cell array. The other argument may also be a cell\n\ | |
| 158 array of strings (of the same size or with only one element), char matrix\n\ | |
| 159 or character string.\n\ | |
| 160 \n\ | |
| 161 @strong{Caution:} For compatibility with @sc{Matlab}, Octave's strcmp\n\ | |
| 162 function returns 1 if the character strings are equal, and 0 otherwise.\n\ | |
| 163 This is just the opposite of the corresponding C library function.\n\ | |
| 164 @seealso{strcmpi, strncmp, strncmpi}\n\ | |
| 5415 | 165 @end deftypefn") |
| 166 { | |
| 5531 | 167 octave_value retval; |
| 5415 | 168 |
| 5416 | 169 if (args.length () == 2) |
| 170 { | |
| 171 bool s1_string = args(0).is_string (); | |
| 172 bool s1_cell = args(0).is_cell (); | |
| 173 bool s2_string = args(1).is_string (); | |
| 174 bool s2_cell = args(1).is_cell (); | |
| 5415 | 175 |
| 5416 | 176 if (s1_string && s2_string) |
| 177 { | |
| 178 // Must match exactly in all dimensions. | |
| 179 | |
| 180 const dim_vector dv1 = args(0).dims (); | |
| 181 const dim_vector dv2 = args(1).dims (); | |
| 5415 | 182 |
| 5416 | 183 if (dv1.length () == dv2.length ()) |
| 184 { | |
| 185 for (int i = 0; i < dv1.length (); i++) | |
| 186 { | |
| 187 if (dv1(i) != dv2(i)) | |
| 188 { | |
| 189 retval = false; | |
| 190 return retval; | |
| 191 } | |
| 192 } | |
| 5415 | 193 |
| 5416 | 194 if (dv1(0) == 0) |
| 195 retval = true; | |
| 196 else | |
| 197 { | |
| 198 charNDArray s1 = args(0).char_array_value (); | |
| 199 charNDArray s2 = args(1).char_array_value (); | |
| 5415 | 200 |
| 5416 | 201 for (int i = 0; i < dv1.numel (); i++) |
| 202 { | |
| 203 if (s1(i) != s2(i)) | |
| 204 { | |
| 205 retval = false; | |
| 206 return retval; | |
| 207 } | |
| 208 } | |
| 5415 | 209 |
| 5416 | 210 retval = true; |
| 211 } | |
| 5415 | 212 } |
| 213 } | |
| 5416 | 214 else if ((s1_string && s2_cell) || (s1_cell && s2_string)) |
| 5415 | 215 { |
| 5416 | 216 string_vector str; |
| 217 Cell cell; | |
| 218 int r; | |
| 5415 | 219 |
| 5416 | 220 if (s1_string) |
| 221 { | |
| 222 str = args(0).all_strings (); | |
| 223 r = args(0).rows (); | |
| 224 cell = args(1).cell_value (); | |
| 225 } | |
| 226 else | |
| 227 { | |
| 228 str = args(1).all_strings (); | |
| 229 r = args(1).rows (); | |
| 230 cell = args(0).cell_value (); | |
| 231 } | |
| 232 | |
| 5862 | 233 if (r == 0 || r == 1) |
| 5416 | 234 { |
| 235 // Broadcast the string. | |
| 236 | |
| 237 boolNDArray output (cell.dimensions); | |
| 5415 | 238 |
| 5862 | 239 std::string s = r == 0 ? std::string () : str[0]; |
| 240 | |
| 5416 | 241 for (int i = 0; i < cell.length (); i++) |
| 6250 | 242 { |
| 243 if (cell(i).is_string ()) | |
| 244 output(i) = (cell(i).string_value () == s); | |
| 245 else | |
| 246 output(i) = false; | |
| 247 } | |
| 5416 | 248 |
| 249 retval = output; | |
| 250 } | |
| 251 else if (r > 1) | |
| 5415 | 252 { |
| 5416 | 253 if (cell.length () == 1) |
| 5415 | 254 { |
| 5416 | 255 // Broadcast the cell. |
| 256 | |
| 257 const dim_vector dv (r, 1); | |
| 258 boolNDArray output (dv); | |
| 259 | |
| 260 if (cell(0).is_string ()) | |
| 261 { | |
| 262 const std::string str2 = cell(0).string_value (); | |
| 5415 | 263 |
| 5416 | 264 for (int i = 0; i < r; i++) |
| 265 output(i) = (str[i] == str2); | |
| 266 } | |
| 267 else | |
| 268 { | |
| 269 for (int i = 0; i < r; i++) | |
| 270 output(i) = false; | |
| 271 } | |
| 272 | |
| 273 retval = output; | |
| 5415 | 274 } |
| 275 else | |
| 276 { | |
| 5416 | 277 // Must match in all dimensions. |
| 278 | |
| 279 boolNDArray output (cell.dimensions); | |
| 5415 | 280 |
| 5416 | 281 if (cell.length () == r) |
| 282 { | |
| 283 for (int i = 0; i < r; i++) | |
| 6250 | 284 { |
| 285 if (cell(i).is_string ()) | |
| 286 output(i) = (str[i] == cell(i).string_value ()); | |
| 287 else | |
| 288 output(i) = false; | |
| 289 } | |
| 5415 | 290 |
| 5416 | 291 retval = output; |
| 292 } | |
| 293 else | |
| 294 retval = false; | |
| 5415 | 295 } |
| 296 } | |
| 297 } | |
| 5416 | 298 else if (s1_cell && s2_cell) |
| 5415 | 299 { |
| 5416 | 300 Cell cell1; |
| 301 Cell cell2; | |
| 5415 | 302 |
| 5416 | 303 int r1 = args(0).numel (); |
| 304 int r2; | |
| 305 | |
| 306 if (r1 == 1) | |
| 307 { | |
| 308 // Make the singleton cell2. | |
| 5415 | 309 |
| 5416 | 310 cell1 = args(1).cell_value (); |
| 311 cell2 = args(0).cell_value (); | |
| 312 r1 = cell1.length (); | |
| 313 r2 = 1; | |
| 314 } | |
| 315 else | |
| 316 { | |
| 317 cell1 = args(0).cell_value (); | |
| 318 cell2 = args(1).cell_value (); | |
| 319 r2 = cell2.length (); | |
| 320 } | |
| 5415 | 321 |
| 5416 | 322 const dim_vector size1 = cell1.dimensions; |
| 323 const dim_vector size2 = cell2.dimensions; | |
| 324 | |
| 325 boolNDArray output (size1); | |
| 326 | |
| 327 if (r2 == 1) | |
| 328 { | |
| 329 // Broadcast cell2. | |
| 330 | |
| 331 if (! cell2(0).is_string ()) | |
| 5415 | 332 { |
| 5416 | 333 for (int i = 0; i < r1; i++) |
| 334 output(i) = false; | |
| 5415 | 335 } |
| 336 else | |
| 5416 | 337 { |
| 338 const std::string str2 = cell2(0).string_value (); | |
| 339 | |
| 340 for (int i = 0; i < r1; i++) | |
| 341 { | |
| 342 if (cell1(i).is_string ()) | |
| 343 { | |
| 344 const std::string str1 = cell1(i).string_value (); | |
| 345 output(i) = (str1 == str2); | |
| 346 } | |
| 347 else | |
| 348 output(i) = false; | |
| 349 } | |
| 350 } | |
| 5415 | 351 } |
| 5416 | 352 else |
| 353 { | |
| 354 if (size1 != size2) | |
| 355 { | |
| 356 error ("strcmp: nonconformant cell arrays"); | |
| 357 return retval; | |
| 358 } | |
| 359 | |
| 360 for (int i = 0; i < r1; i++) | |
| 361 { | |
| 362 if (cell1(i).is_string () && cell2(i).is_string ()) | |
| 363 { | |
| 364 const std::string str1 = cell1(i).string_value (); | |
| 365 const std::string str2 = cell2(i).string_value (); | |
| 366 output(i) = (str1 == str2); | |
| 367 } | |
| 368 else | |
| 369 output(i) = false; | |
| 370 } | |
| 371 } | |
| 372 | |
| 373 retval = output; | |
| 5415 | 374 } |
| 5531 | 375 else |
| 376 retval = false; | |
| 5415 | 377 } |
| 5416 | 378 else |
| 5823 | 379 print_usage (); |
| 5415 | 380 |
| 381 return retval; | |
| 382 } | |
| 383 | |
| 5862 | 384 /* |
| 385 %!shared x | |
| 386 %! x = char (zeros (0, 2)); | |
| 387 %!assert (strcmp ('', x) == false); | |
| 388 %!assert (strcmp (x, '') == false); | |
| 389 %!assert (strcmp (x, x) == true); | |
| 5911 | 390 ## %!assert (strcmp ({''}, x) == false); |
| 391 ## %!assert (strcmp ({x}, '') == false); | |
| 392 ## %!assert (strcmp ({x}, x) == true); | |
| 393 ## %!assert (strcmp ('', {x}) == false); | |
| 394 ## %!assert (strcmp (x, {''}) == false); | |
| 395 ## %!assert (strcmp (x, {x}) == true); | |
| 396 ## %!assert (all (strcmp ({x; x}, '') == [false; false])); | |
| 397 ## %!assert (all (strcmp ({x; x}, {''}) == [false; false])); | |
| 398 ## %!assert (all (strcmp ('', {x; x}) == [false; false])); | |
| 399 ## %!assert (all (strcmp ({''}, {x; x}) == [false; false])); | |
| 5862 | 400 %!assert (strcmp ({'foo'}, x) == false); |
| 401 %!assert (strcmp ({'foo'}, 'foo') == true); | |
| 402 %!assert (strcmp ({'foo'}, x) == false); | |
| 403 %!assert (strcmp (x, {'foo'}) == false); | |
| 404 %!assert (strcmp ('foo', {'foo'}) == true); | |
| 405 %!assert (strcmp (x, {'foo'}) == false); | |
| 406 %!shared y | |
| 407 %! y = char (zeros (2, 0)); | |
| 408 %!assert (strcmp ('', y) == false); | |
| 409 %!assert (strcmp (y, '') == false); | |
| 410 %!assert (strcmp (y, y) == true); | |
| 411 %!assert (all (strcmp ({''}, y) == [true; true])); | |
| 412 %!assert (strcmp ({y}, '') == true); | |
| 413 %!assert (all (strcmp ({y}, y) == [true; true])); | |
| 414 %!assert (all (strcmp ('', {y}) == [true; true])); | |
| 415 %!assert (all (strcmp (y, {''}) == [true; true])); | |
| 416 %!assert (all (strcmp (y, {y}) == [true; true])); | |
| 5911 | 417 ## %!assert (all (strcmp ({y; y}, '') == [false; false])); |
| 418 ## %!assert (all (strcmp ({y; y}, {''}) == [false; false])); | |
| 419 ## %!assert (all (strcmp ('', {y; y}) == [false; false])); | |
| 420 ## %!assert (all (strcmp ({''}, {y; y}) == [false; false])); | |
| 5862 | 421 %!assert (all (strcmp ({'foo'}, y) == [false; false])); |
| 422 %!assert (all (strcmp ({'foo'}, y) == [false; false])); | |
| 423 %!assert (all (strcmp (y, {'foo'}) == [false; false])); | |
| 424 %!assert (all (strcmp (y, {'foo'}) == [false; false])); | |
| 425 */ | |
| 426 | |
| 6250 | 427 DEFUN (strncmp, args, , |
| 428 "-*- texinfo -*-\n\ | |
| 6678 | 429 @deftypefn {Built-in Function} {} strncmp (@var{s1}, @var{s2}, @var{n})\n\ |
| 6250 | 430 Return 1 if the first @var{n} characters of strings @var{s1} and @var{s2} are the same,\n\ |
| 431 and 0 otherwise.\n\ | |
| 432 \n\ | |
| 433 @example\n\ | |
| 434 @group\n\ | |
| 435 strncmp (\"abce\", \"abcd\", 3)\n\ | |
| 436 @result{} 1\n\ | |
| 437 @end group\n\ | |
| 438 @end example\n\ | |
| 439 \n\ | |
| 440 If either @var{s1} or @var{s2} is a cell array of strings, then an array\n\ | |
| 441 of the same size is returned, containing the values described above for\n\ | |
| 442 every member of the cell array. The other argument may also be a cell\n\ | |
| 443 array of strings (of the same size or with only one element), char matrix\n\ | |
| 444 or character string.\n\ | |
| 445 \n\ | |
| 446 @example\n\ | |
| 447 @group\n\ | |
| 6256 | 448 strncmp (\"abce\", @{\"abcd\", \"bca\", \"abc\"@}, 3)\n\ |
| 6250 | 449 @result{} [1, 0, 1]\n\ |
| 450 @end group\n\ | |
| 451 @end example\n\ | |
| 452 \n\ | |
| 453 @strong{Caution:} For compatibility with @sc{Matlab}, Octave's strncmp\n\ | |
| 454 function returns 1 if the character strings are equal, and 0 otherwise.\n\ | |
| 455 This is just the opposite of the corresponding C library function.\n\ | |
| 456 @seealso{strncmpi, strcmp, strcmpi}\n\ | |
| 457 @end deftypefn") | |
| 458 { | |
| 459 octave_value retval; | |
| 460 | |
| 461 if (args.length () == 3) | |
| 462 { | |
| 463 bool s1_string = args(0).is_string (); | |
| 464 bool s1_cell = args(0).is_cell (); | |
| 465 bool s2_string = args(1).is_string (); | |
| 466 bool s2_cell = args(1).is_cell (); | |
| 467 | |
| 468 // Match only first n strings. | |
| 469 int n = args(2).int_value (); | |
| 470 | |
| 471 if (n <= 0) | |
| 472 { | |
| 473 error ("strncmp: N must be greater than 0"); | |
| 474 return retval; | |
| 475 } | |
| 476 | |
| 477 if (s1_string && s2_string) | |
| 478 { | |
| 479 // The only restriction here is that each string has equal or | |
| 480 // greater than n characters | |
| 481 | |
| 482 const dim_vector dv1 = args(0).dims (); | |
| 483 const dim_vector dv2 = args(1).dims (); | |
| 484 | |
| 485 if (dv1.numel () >= n && dv2.numel () >= n) | |
| 486 { | |
| 487 // Follow Matlab in the sense that the first n characters of | |
| 488 // the two strings (in column major order) need to be the same. | |
| 489 charNDArray s1 = args(0).char_array_value (); | |
| 490 charNDArray s2 = args(1).char_array_value (); | |
| 491 | |
| 492 for (int i = 0; i < n; i++) | |
| 493 { | |
| 494 if (s1(i) != s2(i)) | |
| 495 { | |
| 496 retval = false; | |
| 497 return retval; | |
| 498 } | |
| 499 } | |
| 500 | |
| 501 retval = true; | |
| 502 } | |
| 503 else | |
| 504 retval = false; | |
| 505 } | |
| 506 else if ((s1_string && s2_cell) || (s1_cell && s2_string)) | |
| 507 { | |
| 508 string_vector str; | |
| 509 Cell cell; | |
| 510 int r, c; | |
| 511 | |
| 512 if (s1_string) | |
| 513 { | |
| 514 str = args(0).all_strings (); | |
| 515 r = args(0).rows (); | |
| 516 c = args(0).columns (); | |
| 517 cell = args(1).cell_value (); | |
| 518 } | |
| 519 else | |
| 520 { | |
| 521 str = args(1).all_strings (); | |
| 522 r = args(1).rows (); | |
| 523 c = args(1).columns (); | |
| 524 cell = args(0).cell_value (); | |
| 525 } | |
| 526 | |
| 527 if (r == 1) | |
| 528 { | |
| 529 // Broadcast the string. | |
| 530 | |
| 531 boolNDArray output (cell.dimensions); | |
| 532 | |
| 533 if (c < n) | |
| 534 { | |
| 535 for (int i = 0; i < cell.length (); i++) | |
| 536 output(i) = false; | |
| 537 } | |
| 538 else | |
| 539 { | |
| 540 for (int i = 0; i < cell.length (); i++) | |
| 541 { | |
| 542 if (cell(i).is_string ()) | |
| 543 { | |
| 544 const std::string str2 = cell(i).string_value (); | |
| 545 | |
| 546 if (str2.length() >= n) | |
| 547 { | |
| 548 if (str2.compare (0, n, str[0], 0, n) == 0) | |
| 549 output(i) = true; | |
| 550 else | |
| 551 output(i) = false; | |
| 552 } | |
| 553 else | |
| 554 output(i) = false; | |
| 555 } | |
| 556 } | |
| 557 } | |
| 558 | |
| 559 retval = output; | |
| 560 } | |
| 561 else if (r > 1) | |
| 562 { | |
| 563 if (cell.length () == 1) | |
| 564 { | |
| 565 // Broadcast the cell. | |
| 566 | |
| 567 const dim_vector dv (r, 1); | |
| 568 boolNDArray output (dv); | |
| 569 | |
| 570 if (cell(0).is_string () && c >= n) | |
| 571 { | |
| 572 const std::string str2 = cell(0).string_value (); | |
| 573 | |
| 574 if (str2.length () >= n) | |
| 575 { | |
| 576 for (int i = 0; i < r; i++) | |
| 577 { | |
| 578 if (str[i].compare (0, n, str2, 0, n) == 0) | |
| 579 output(i) = true; | |
| 580 else | |
| 581 output(i) = false; | |
| 582 } | |
| 583 } | |
| 584 else | |
| 585 { | |
| 586 for (int i = 0; i < r; i++) | |
| 587 output(i) = false; | |
| 588 } | |
| 589 } | |
| 590 else | |
| 591 { | |
| 592 for (int i = 0; i < r; i++) | |
| 593 output(i) = false; | |
| 594 } | |
| 595 | |
| 596 retval = output; | |
| 597 } | |
| 598 else | |
| 599 { | |
| 600 // Must match in all dimensions. | |
| 601 | |
| 602 boolNDArray output (cell.dimensions); | |
| 603 | |
| 604 if (cell.numel () == r) | |
| 605 { | |
| 606 for (int i = 0; i < r; i++) | |
| 607 { | |
| 608 output(i) = false; | |
| 609 | |
| 610 if (cell(i).is_string () && c >= n) | |
| 611 { | |
| 612 std::string str2 = cell(i).string_value (); | |
| 613 | |
| 614 if (str2.length () >= n | |
| 615 && str2.compare (0, n, str[i], 0, n) == 0) | |
| 616 output(i) = true; | |
| 617 } | |
| 618 } | |
| 619 | |
| 620 retval = output; | |
| 621 } | |
| 622 else | |
| 623 { | |
| 624 error ("strncmp: the number of rows of the string matrix must match the number of elements in the cell"); | |
| 625 return retval; | |
| 626 } | |
| 627 } | |
| 628 } | |
| 629 } | |
| 630 else if (s1_cell && s2_cell) | |
| 631 { | |
| 632 Cell cell1; | |
| 633 Cell cell2; | |
| 634 | |
| 635 int r1 = args(0).numel (); | |
| 636 int r2; | |
| 637 | |
| 638 if (r1 == 1) | |
| 639 { | |
| 640 // Make the singleton cell2. | |
| 641 | |
| 642 cell1 = args(1).cell_value (); | |
| 643 cell2 = args(0).cell_value (); | |
| 644 r1 = cell1.length (); | |
| 645 r2 = 1; | |
| 646 } | |
| 647 else | |
| 648 { | |
| 649 cell1 = args(0).cell_value (); | |
| 650 cell2 = args(1).cell_value (); | |
| 651 r2 = cell2.length (); | |
| 652 } | |
| 653 | |
| 654 const dim_vector size1 = cell1.dimensions; | |
| 655 const dim_vector size2 = cell2.dimensions; | |
| 656 | |
| 657 boolNDArray output (size1); | |
| 658 | |
| 659 if (r2 == 1) | |
| 660 { | |
| 661 // Broadcast cell2. | |
| 662 | |
| 663 if (! cell2(0).is_string ()) | |
| 664 { | |
| 665 for (int i = 0; i < r1; i++) | |
| 666 output(i) = false; | |
| 667 } | |
| 668 else | |
| 669 { | |
| 670 const std::string str2 = cell2(0).string_value (); | |
| 671 | |
| 672 for (int i = 0; i < r1; i++) | |
| 673 { | |
| 674 if (cell1(i).is_string ()) | |
| 675 { | |
| 676 const std::string str1 = cell1(i).string_value (); | |
| 677 | |
| 678 if (str1.length () >= n && str2.length () >= n | |
| 679 && str1.compare (0, n, str2, 0, n) == 0) | |
| 680 output(i) = true; | |
| 681 else | |
| 682 output(i) = false; | |
| 683 } | |
| 684 else | |
| 685 output(i) = false; | |
| 686 } | |
| 687 } | |
| 688 } | |
| 689 else | |
| 690 { | |
| 691 if (size1 != size2) | |
| 692 { | |
| 693 error ("strncmp: nonconformant cell arrays"); | |
| 694 return retval; | |
| 695 } | |
| 696 | |
| 697 for (int i = 0; i < r1; i++) | |
| 698 { | |
| 699 if (cell1(i).is_string () && cell2(i).is_string ()) | |
| 700 { | |
| 701 const std::string str1 = cell1(i).string_value (); | |
| 702 const std::string str2 = cell2(i).string_value (); | |
| 703 | |
| 704 if (str1.length () >= n && str2.length () >= n | |
| 705 && str1.compare (0, n, str2, 0, n) == 0) | |
| 706 output(i) = true; | |
| 707 else | |
| 708 output(i) = false; | |
| 709 } | |
| 710 else | |
| 711 output(i) = false; | |
| 712 } | |
| 713 } | |
| 714 | |
| 715 retval = output; | |
| 716 } | |
| 717 else | |
| 718 retval = false; | |
| 719 } | |
| 720 else | |
| 721 print_usage (); | |
| 722 | |
| 723 return retval; | |
| 724 } | |
| 725 | |
| 5690 | 726 DEFUN (list_in_columns, args, , |
| 727 "-*- texinfo -*-\n\ | |
| 728 @deftypefn {Built-in Function} {} list_in_columns (@var{arg}, @var{width})\n\ | |
| 729 Return a string containing the elements of @var{arg} listed in\n\ | |
| 730 columns with an overall maximum width of @var{width}. The argument\n\ | |
| 731 @var{arg} must be a cell array of character strings or a character array.\n\ | |
| 732 If @var{width} is not specified, the width of the terminal screen is used.\n\ | |
| 733 @seealso{terminal_size}\n\ | |
| 734 @end deftypefn") | |
| 735 { | |
| 736 octave_value retval; | |
| 737 | |
| 738 int nargin = args.length (); | |
| 739 | |
| 740 if (nargin == 1 || nargin == 2) | |
| 741 { | |
| 742 string_vector s = args(0).all_strings (); | |
| 743 | |
| 744 if (! error_state) | |
| 745 { | |
| 5765 | 746 std::ostringstream buf; |
| 5690 | 747 |
| 748 if (nargin == 1) | |
| 749 // Let list_in_columns query terminal width. | |
| 750 s.list_in_columns (buf); | |
| 751 else | |
| 752 { | |
| 753 int width = args(1).int_value (); | |
| 754 | |
| 755 if (! error_state) | |
| 756 s.list_in_columns (buf, width); | |
| 757 else | |
| 758 error ("list_in_columns: expecting width to be an integer"); | |
| 759 } | |
| 760 | |
| 5765 | 761 retval = buf.str (); |
| 5690 | 762 } |
| 763 else | |
| 764 error ("list_in_columns: expecting cellstr or char array"); | |
| 765 } | |
| 766 else | |
| 5823 | 767 print_usage (); |
| 5690 | 768 |
| 769 return retval; | |
| 770 } | |
| 771 | |
| 807 | 772 /* |
| 773 ;;; Local Variables: *** | |
| 774 ;;; mode: C++ *** | |
| 775 ;;; End: *** | |
| 776 */ |