Mercurial > hg > octave-lyh
annotate src/strfns.cc @ 8353:349a555729a9
keep empty strings in char
| author | Thorsten Meyer <thorsten.meyier@gmx.de> |
|---|---|
| date | Sat, 15 Nov 2008 00:58:17 +0100 |
| parents | 26d8a92644de |
| children | 8dff9cba15fe |
| 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> |
|
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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 | |
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93 if (s.length () > 0) |
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94 n_elts += s.length (); |
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95 else |
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96 n_elts += 1; |
| 4358 | 97 |
| 98 int s_max_len = s.max_length (); | |
| 99 | |
| 100 if (s_max_len > max_len) | |
| 101 max_len = s_max_len; | |
| 102 } | |
| 103 | |
| 104 string_vector result (n_elts); | |
| 105 | |
| 106 int k = 0; | |
| 107 | |
| 108 for (int i = 0; i < nargin; i++) | |
| 109 { | |
| 5707 | 110 string_vector s = args(i).all_strings (); |
| 4358 | 111 |
| 112 int n = s.length (); | |
| 113 | |
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114 if (n > 0) |
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115 { |
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116 for (int j = 0; j < n; j++) |
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117 { |
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118 std::string t = s[j]; |
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119 int t_len = t.length (); |
| 4358 | 120 |
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121 if (max_len > t_len) |
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122 t += std::string (max_len - t_len, ' '); |
| 4358 | 123 |
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124 result[k++] = t; |
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125 } |
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126 } |
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127 else |
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128 { |
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129 result[k++] = std::string (max_len, ' '); |
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130 } |
| 4358 | 131 } |
| 132 | |
| 5280 | 133 retval = octave_value (result, '\''); |
| 4358 | 134 } |
| 135 else | |
| 5823 | 136 print_usage (); |
| 4358 | 137 |
| 138 return retval; | |
| 139 } | |
| 140 | |
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141 /* |
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142 %!error <Invalid call to char> char() |
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143 %!assert (char (100) == "d"); |
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144 %!assert (all(char (100,100) == ["d";"d"])); |
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145 %!assert (all(char ({100,100}) == ["d";"d"])); |
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146 %!assert (all(char ([100,100]) == ["dd"])); |
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147 %!assert (all(char ({100,{100}}) == ["d";"d"])); |
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148 %!assert (all(char (100, [], 100) == ["d";" ";"d"])) |
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149 %!assert (all(char ({100, [], 100}) == ["d";" ";"d"])) |
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150 %!assert (all(char ({100,{100, {""}}}) == ["d";"d";" "])) |
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151 %!assert (all(char (["a";"be"], {"c", 100}) == ["a";"be";"c";"d"])) |
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152 */ |
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153 |
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154 |
| 4535 | 155 DEFUN (ischar, args, , |
| 3361 | 156 "-*- texinfo -*-\n\ |
| 4535 | 157 @deftypefn {Built-in Function} {} ischar (@var{a})\n\ |
| 3361 | 158 Return 1 if @var{a} is a string. Otherwise, return 0.\n\ |
| 159 @end deftypefn") | |
| 807 | 160 { |
| 4233 | 161 octave_value retval; |
| 807 | 162 |
| 163 int nargin = args.length (); | |
| 164 | |
| 165 if (nargin == 1 && args(0).is_defined ()) | |
| 4233 | 166 retval = args(0).is_string (); |
| 807 | 167 else |
| 5823 | 168 print_usage (); |
| 807 | 169 |
| 170 return retval; | |
| 171 } | |
| 172 | |
| 5415 | 173 DEFUN (strcmp, args, , |
| 174 "-*- texinfo -*-\n\ | |
| 6678 | 175 @deftypefn {Built-in Function} {} strcmp (@var{s1}, @var{s2})\n\ |
| 5415 | 176 Return 1 if the character strings @var{s1} and @var{s2} are the same,\n\ |
| 177 and 0 otherwise.\n\ | |
| 5674 | 178 \n\ |
| 179 If either @var{s1} or @var{s2} is a cell array of strings, then an array\n\ | |
| 180 of the same size is returned, containing the values described above for\n\ | |
| 181 every member of the cell array. The other argument may also be a cell\n\ | |
| 182 array of strings (of the same size or with only one element), char matrix\n\ | |
| 183 or character string.\n\ | |
| 184 \n\ | |
| 185 @strong{Caution:} For compatibility with @sc{Matlab}, Octave's strcmp\n\ | |
| 186 function returns 1 if the character strings are equal, and 0 otherwise.\n\ | |
| 187 This is just the opposite of the corresponding C library function.\n\ | |
| 188 @seealso{strcmpi, strncmp, strncmpi}\n\ | |
| 5415 | 189 @end deftypefn") |
| 190 { | |
| 5531 | 191 octave_value retval; |
| 5415 | 192 |
| 5416 | 193 if (args.length () == 2) |
| 194 { | |
| 195 bool s1_string = args(0).is_string (); | |
| 196 bool s1_cell = args(0).is_cell (); | |
| 197 bool s2_string = args(1).is_string (); | |
| 198 bool s2_cell = args(1).is_cell (); | |
| 5415 | 199 |
| 5416 | 200 if (s1_string && s2_string) |
| 201 { | |
| 202 // Must match exactly in all dimensions. | |
| 203 | |
| 204 const dim_vector dv1 = args(0).dims (); | |
| 205 const dim_vector dv2 = args(1).dims (); | |
| 5415 | 206 |
| 5416 | 207 if (dv1.length () == dv2.length ()) |
| 208 { | |
| 209 for (int i = 0; i < dv1.length (); i++) | |
| 210 { | |
| 211 if (dv1(i) != dv2(i)) | |
| 212 { | |
| 213 retval = false; | |
| 214 return retval; | |
| 215 } | |
| 216 } | |
| 5415 | 217 |
| 5416 | 218 if (dv1(0) == 0) |
| 219 retval = true; | |
| 220 else | |
| 221 { | |
| 222 charNDArray s1 = args(0).char_array_value (); | |
| 223 charNDArray s2 = args(1).char_array_value (); | |
| 5415 | 224 |
| 5416 | 225 for (int i = 0; i < dv1.numel (); i++) |
| 226 { | |
| 227 if (s1(i) != s2(i)) | |
| 228 { | |
| 229 retval = false; | |
| 230 return retval; | |
| 231 } | |
| 232 } | |
| 5415 | 233 |
| 5416 | 234 retval = true; |
| 235 } | |
| 5415 | 236 } |
| 237 } | |
| 5416 | 238 else if ((s1_string && s2_cell) || (s1_cell && s2_string)) |
| 5415 | 239 { |
| 5416 | 240 string_vector str; |
| 241 Cell cell; | |
| 242 int r; | |
| 5415 | 243 |
| 5416 | 244 if (s1_string) |
| 245 { | |
| 246 str = args(0).all_strings (); | |
| 247 r = args(0).rows (); | |
| 248 cell = args(1).cell_value (); | |
| 249 } | |
| 250 else | |
| 251 { | |
| 252 str = args(1).all_strings (); | |
| 253 r = args(1).rows (); | |
| 254 cell = args(0).cell_value (); | |
| 255 } | |
| 256 | |
| 5862 | 257 if (r == 0 || r == 1) |
| 5416 | 258 { |
| 259 // Broadcast the string. | |
| 260 | |
| 261 boolNDArray output (cell.dimensions); | |
| 5415 | 262 |
| 5862 | 263 std::string s = r == 0 ? std::string () : str[0]; |
| 264 | |
| 5416 | 265 for (int i = 0; i < cell.length (); i++) |
| 6250 | 266 { |
| 267 if (cell(i).is_string ()) | |
| 268 output(i) = (cell(i).string_value () == s); | |
| 269 else | |
| 270 output(i) = false; | |
| 271 } | |
| 5416 | 272 |
| 273 retval = output; | |
| 274 } | |
| 275 else if (r > 1) | |
| 5415 | 276 { |
| 5416 | 277 if (cell.length () == 1) |
| 5415 | 278 { |
| 5416 | 279 // Broadcast the cell. |
| 280 | |
| 281 const dim_vector dv (r, 1); | |
| 282 boolNDArray output (dv); | |
| 283 | |
| 284 if (cell(0).is_string ()) | |
| 285 { | |
| 286 const std::string str2 = cell(0).string_value (); | |
| 5415 | 287 |
| 5416 | 288 for (int i = 0; i < r; i++) |
| 289 output(i) = (str[i] == str2); | |
| 290 } | |
| 291 else | |
| 292 { | |
| 293 for (int i = 0; i < r; i++) | |
| 294 output(i) = false; | |
| 295 } | |
| 296 | |
| 297 retval = output; | |
| 5415 | 298 } |
| 299 else | |
| 300 { | |
| 5416 | 301 // Must match in all dimensions. |
| 302 | |
| 303 boolNDArray output (cell.dimensions); | |
| 5415 | 304 |
| 5416 | 305 if (cell.length () == r) |
| 306 { | |
| 307 for (int i = 0; i < r; i++) | |
| 6250 | 308 { |
| 309 if (cell(i).is_string ()) | |
| 310 output(i) = (str[i] == cell(i).string_value ()); | |
| 311 else | |
| 312 output(i) = false; | |
| 313 } | |
| 5415 | 314 |
| 5416 | 315 retval = output; |
| 316 } | |
| 317 else | |
| 318 retval = false; | |
| 5415 | 319 } |
| 320 } | |
| 321 } | |
| 5416 | 322 else if (s1_cell && s2_cell) |
| 5415 | 323 { |
| 5416 | 324 Cell cell1; |
| 325 Cell cell2; | |
| 5415 | 326 |
| 5416 | 327 int r1 = args(0).numel (); |
| 328 int r2; | |
| 329 | |
| 330 if (r1 == 1) | |
| 331 { | |
| 332 // Make the singleton cell2. | |
| 5415 | 333 |
| 5416 | 334 cell1 = args(1).cell_value (); |
| 335 cell2 = args(0).cell_value (); | |
| 336 r1 = cell1.length (); | |
| 337 r2 = 1; | |
| 338 } | |
| 339 else | |
| 340 { | |
| 341 cell1 = args(0).cell_value (); | |
| 342 cell2 = args(1).cell_value (); | |
| 343 r2 = cell2.length (); | |
| 344 } | |
| 5415 | 345 |
| 5416 | 346 const dim_vector size1 = cell1.dimensions; |
| 347 const dim_vector size2 = cell2.dimensions; | |
| 348 | |
| 349 boolNDArray output (size1); | |
| 350 | |
| 351 if (r2 == 1) | |
| 352 { | |
| 353 // Broadcast cell2. | |
| 354 | |
| 355 if (! cell2(0).is_string ()) | |
| 5415 | 356 { |
| 5416 | 357 for (int i = 0; i < r1; i++) |
| 358 output(i) = false; | |
| 5415 | 359 } |
| 360 else | |
| 5416 | 361 { |
| 362 const std::string str2 = cell2(0).string_value (); | |
| 363 | |
| 364 for (int i = 0; i < r1; i++) | |
| 365 { | |
| 366 if (cell1(i).is_string ()) | |
| 367 { | |
| 368 const std::string str1 = cell1(i).string_value (); | |
| 369 output(i) = (str1 == str2); | |
| 370 } | |
| 371 else | |
| 372 output(i) = false; | |
| 373 } | |
| 374 } | |
| 5415 | 375 } |
| 5416 | 376 else |
| 377 { | |
| 378 if (size1 != size2) | |
| 379 { | |
| 380 error ("strcmp: nonconformant cell arrays"); | |
| 381 return retval; | |
| 382 } | |
| 383 | |
| 384 for (int i = 0; i < r1; i++) | |
| 385 { | |
| 386 if (cell1(i).is_string () && cell2(i).is_string ()) | |
| 387 { | |
| 388 const std::string str1 = cell1(i).string_value (); | |
| 389 const std::string str2 = cell2(i).string_value (); | |
| 390 output(i) = (str1 == str2); | |
| 391 } | |
| 392 else | |
| 393 output(i) = false; | |
| 394 } | |
| 395 } | |
| 396 | |
| 397 retval = output; | |
| 5415 | 398 } |
| 5531 | 399 else |
| 400 retval = false; | |
| 5415 | 401 } |
| 5416 | 402 else |
| 5823 | 403 print_usage (); |
| 5415 | 404 |
| 405 return retval; | |
| 406 } | |
| 407 | |
| 5862 | 408 /* |
| 409 %!shared x | |
| 410 %! x = char (zeros (0, 2)); | |
| 411 %!assert (strcmp ('', x) == false); | |
| 412 %!assert (strcmp (x, '') == false); | |
| 413 %!assert (strcmp (x, x) == true); | |
| 5911 | 414 ## %!assert (strcmp ({''}, x) == false); |
| 415 ## %!assert (strcmp ({x}, '') == false); | |
| 416 ## %!assert (strcmp ({x}, x) == true); | |
| 417 ## %!assert (strcmp ('', {x}) == false); | |
| 418 ## %!assert (strcmp (x, {''}) == false); | |
| 419 ## %!assert (strcmp (x, {x}) == true); | |
| 420 ## %!assert (all (strcmp ({x; x}, '') == [false; false])); | |
| 421 ## %!assert (all (strcmp ({x; x}, {''}) == [false; false])); | |
| 422 ## %!assert (all (strcmp ('', {x; x}) == [false; false])); | |
| 423 ## %!assert (all (strcmp ({''}, {x; x}) == [false; false])); | |
| 5862 | 424 %!assert (strcmp ({'foo'}, x) == false); |
| 425 %!assert (strcmp ({'foo'}, 'foo') == true); | |
| 426 %!assert (strcmp ({'foo'}, x) == false); | |
| 427 %!assert (strcmp (x, {'foo'}) == false); | |
| 428 %!assert (strcmp ('foo', {'foo'}) == true); | |
| 429 %!assert (strcmp (x, {'foo'}) == false); | |
| 430 %!shared y | |
| 431 %! y = char (zeros (2, 0)); | |
| 432 %!assert (strcmp ('', y) == false); | |
| 433 %!assert (strcmp (y, '') == false); | |
| 434 %!assert (strcmp (y, y) == true); | |
| 435 %!assert (all (strcmp ({''}, y) == [true; true])); | |
| 436 %!assert (strcmp ({y}, '') == true); | |
| 437 %!assert (all (strcmp ({y}, y) == [true; true])); | |
| 438 %!assert (all (strcmp ('', {y}) == [true; true])); | |
| 439 %!assert (all (strcmp (y, {''}) == [true; true])); | |
| 440 %!assert (all (strcmp (y, {y}) == [true; true])); | |
| 5911 | 441 ## %!assert (all (strcmp ({y; y}, '') == [false; false])); |
| 442 ## %!assert (all (strcmp ({y; y}, {''}) == [false; false])); | |
| 443 ## %!assert (all (strcmp ('', {y; y}) == [false; false])); | |
| 444 ## %!assert (all (strcmp ({''}, {y; y}) == [false; false])); | |
| 5862 | 445 %!assert (all (strcmp ({'foo'}, y) == [false; false])); |
| 446 %!assert (all (strcmp ({'foo'}, y) == [false; false])); | |
| 447 %!assert (all (strcmp (y, {'foo'}) == [false; false])); | |
| 448 %!assert (all (strcmp (y, {'foo'}) == [false; false])); | |
| 449 */ | |
| 450 | |
| 6250 | 451 DEFUN (strncmp, args, , |
| 452 "-*- texinfo -*-\n\ | |
| 6678 | 453 @deftypefn {Built-in Function} {} strncmp (@var{s1}, @var{s2}, @var{n})\n\ |
| 6250 | 454 Return 1 if the first @var{n} characters of strings @var{s1} and @var{s2} are the same,\n\ |
| 455 and 0 otherwise.\n\ | |
| 456 \n\ | |
| 457 @example\n\ | |
| 458 @group\n\ | |
| 459 strncmp (\"abce\", \"abcd\", 3)\n\ | |
| 460 @result{} 1\n\ | |
| 461 @end group\n\ | |
| 462 @end example\n\ | |
| 463 \n\ | |
| 464 If either @var{s1} or @var{s2} is a cell array of strings, then an array\n\ | |
| 465 of the same size is returned, containing the values described above for\n\ | |
| 466 every member of the cell array. The other argument may also be a cell\n\ | |
| 467 array of strings (of the same size or with only one element), char matrix\n\ | |
| 468 or character string.\n\ | |
| 469 \n\ | |
| 470 @example\n\ | |
| 471 @group\n\ | |
| 6256 | 472 strncmp (\"abce\", @{\"abcd\", \"bca\", \"abc\"@}, 3)\n\ |
| 6250 | 473 @result{} [1, 0, 1]\n\ |
| 474 @end group\n\ | |
| 475 @end example\n\ | |
| 476 \n\ | |
| 477 @strong{Caution:} For compatibility with @sc{Matlab}, Octave's strncmp\n\ | |
| 478 function returns 1 if the character strings are equal, and 0 otherwise.\n\ | |
| 479 This is just the opposite of the corresponding C library function.\n\ | |
| 480 @seealso{strncmpi, strcmp, strcmpi}\n\ | |
| 481 @end deftypefn") | |
| 482 { | |
| 483 octave_value retval; | |
| 484 | |
| 485 if (args.length () == 3) | |
| 486 { | |
| 487 bool s1_string = args(0).is_string (); | |
| 488 bool s1_cell = args(0).is_cell (); | |
| 489 bool s2_string = args(1).is_string (); | |
| 490 bool s2_cell = args(1).is_cell (); | |
| 491 | |
| 492 // Match only first n strings. | |
| 493 int n = args(2).int_value (); | |
| 494 | |
| 495 if (n <= 0) | |
| 496 { | |
| 497 error ("strncmp: N must be greater than 0"); | |
| 498 return retval; | |
| 499 } | |
| 500 | |
| 501 if (s1_string && s2_string) | |
| 502 { | |
| 503 // The only restriction here is that each string has equal or | |
| 504 // greater than n characters | |
| 505 | |
| 506 const dim_vector dv1 = args(0).dims (); | |
| 507 const dim_vector dv2 = args(1).dims (); | |
| 508 | |
| 509 if (dv1.numel () >= n && dv2.numel () >= n) | |
| 510 { | |
| 511 // Follow Matlab in the sense that the first n characters of | |
| 512 // the two strings (in column major order) need to be the same. | |
| 513 charNDArray s1 = args(0).char_array_value (); | |
| 514 charNDArray s2 = args(1).char_array_value (); | |
| 515 | |
| 516 for (int i = 0; i < n; i++) | |
| 517 { | |
| 518 if (s1(i) != s2(i)) | |
| 519 { | |
| 520 retval = false; | |
| 521 return retval; | |
| 522 } | |
| 523 } | |
| 524 | |
| 525 retval = true; | |
| 526 } | |
| 527 else | |
| 528 retval = false; | |
| 529 } | |
| 530 else if ((s1_string && s2_cell) || (s1_cell && s2_string)) | |
| 531 { | |
| 532 string_vector str; | |
| 533 Cell cell; | |
| 534 int r, c; | |
| 535 | |
| 536 if (s1_string) | |
| 537 { | |
| 538 str = args(0).all_strings (); | |
| 539 r = args(0).rows (); | |
| 540 c = args(0).columns (); | |
| 541 cell = args(1).cell_value (); | |
| 542 } | |
| 543 else | |
| 544 { | |
| 545 str = args(1).all_strings (); | |
| 546 r = args(1).rows (); | |
| 547 c = args(1).columns (); | |
| 548 cell = args(0).cell_value (); | |
| 549 } | |
| 550 | |
| 551 if (r == 1) | |
| 552 { | |
| 553 // Broadcast the string. | |
| 554 | |
| 555 boolNDArray output (cell.dimensions); | |
| 556 | |
| 557 if (c < n) | |
| 558 { | |
| 559 for (int i = 0; i < cell.length (); i++) | |
| 560 output(i) = false; | |
| 561 } | |
| 562 else | |
| 563 { | |
| 564 for (int i = 0; i < cell.length (); i++) | |
| 565 { | |
| 566 if (cell(i).is_string ()) | |
| 567 { | |
| 568 const std::string str2 = cell(i).string_value (); | |
| 569 | |
| 570 if (str2.length() >= n) | |
| 571 { | |
| 572 if (str2.compare (0, n, str[0], 0, n) == 0) | |
| 573 output(i) = true; | |
| 574 else | |
| 575 output(i) = false; | |
| 576 } | |
| 577 else | |
| 578 output(i) = false; | |
| 579 } | |
| 580 } | |
| 581 } | |
| 582 | |
| 583 retval = output; | |
| 584 } | |
| 585 else if (r > 1) | |
| 586 { | |
| 587 if (cell.length () == 1) | |
| 588 { | |
| 589 // Broadcast the cell. | |
| 590 | |
| 591 const dim_vector dv (r, 1); | |
| 592 boolNDArray output (dv); | |
| 593 | |
| 594 if (cell(0).is_string () && c >= n) | |
| 595 { | |
| 596 const std::string str2 = cell(0).string_value (); | |
| 597 | |
| 598 if (str2.length () >= n) | |
| 599 { | |
| 600 for (int i = 0; i < r; i++) | |
| 601 { | |
| 602 if (str[i].compare (0, n, str2, 0, n) == 0) | |
| 603 output(i) = true; | |
| 604 else | |
| 605 output(i) = false; | |
| 606 } | |
| 607 } | |
| 608 else | |
| 609 { | |
| 610 for (int i = 0; i < r; i++) | |
| 611 output(i) = false; | |
| 612 } | |
| 613 } | |
| 614 else | |
| 615 { | |
| 616 for (int i = 0; i < r; i++) | |
| 617 output(i) = false; | |
| 618 } | |
| 619 | |
| 620 retval = output; | |
| 621 } | |
| 622 else | |
| 623 { | |
| 624 // Must match in all dimensions. | |
| 625 | |
| 626 boolNDArray output (cell.dimensions); | |
| 627 | |
| 628 if (cell.numel () == r) | |
| 629 { | |
| 630 for (int i = 0; i < r; i++) | |
| 631 { | |
| 632 output(i) = false; | |
| 633 | |
| 634 if (cell(i).is_string () && c >= n) | |
| 635 { | |
| 636 std::string str2 = cell(i).string_value (); | |
| 637 | |
| 638 if (str2.length () >= n | |
| 639 && str2.compare (0, n, str[i], 0, n) == 0) | |
| 640 output(i) = true; | |
| 641 } | |
| 642 } | |
| 643 | |
| 644 retval = output; | |
| 645 } | |
| 646 else | |
| 647 { | |
| 648 error ("strncmp: the number of rows of the string matrix must match the number of elements in the cell"); | |
| 649 return retval; | |
| 650 } | |
| 651 } | |
| 652 } | |
| 653 } | |
| 654 else if (s1_cell && s2_cell) | |
| 655 { | |
| 656 Cell cell1; | |
| 657 Cell cell2; | |
| 658 | |
| 659 int r1 = args(0).numel (); | |
| 660 int r2; | |
| 661 | |
| 662 if (r1 == 1) | |
| 663 { | |
| 664 // Make the singleton cell2. | |
| 665 | |
| 666 cell1 = args(1).cell_value (); | |
| 667 cell2 = args(0).cell_value (); | |
| 668 r1 = cell1.length (); | |
| 669 r2 = 1; | |
| 670 } | |
| 671 else | |
| 672 { | |
| 673 cell1 = args(0).cell_value (); | |
| 674 cell2 = args(1).cell_value (); | |
| 675 r2 = cell2.length (); | |
| 676 } | |
| 677 | |
| 678 const dim_vector size1 = cell1.dimensions; | |
| 679 const dim_vector size2 = cell2.dimensions; | |
| 680 | |
| 681 boolNDArray output (size1); | |
| 682 | |
| 683 if (r2 == 1) | |
| 684 { | |
| 685 // Broadcast cell2. | |
| 686 | |
| 687 if (! cell2(0).is_string ()) | |
| 688 { | |
| 689 for (int i = 0; i < r1; i++) | |
| 690 output(i) = false; | |
| 691 } | |
| 692 else | |
| 693 { | |
| 694 const std::string str2 = cell2(0).string_value (); | |
| 695 | |
| 696 for (int i = 0; i < r1; i++) | |
| 697 { | |
| 698 if (cell1(i).is_string ()) | |
| 699 { | |
| 700 const std::string str1 = cell1(i).string_value (); | |
| 701 | |
| 702 if (str1.length () >= n && str2.length () >= n | |
| 703 && str1.compare (0, n, str2, 0, n) == 0) | |
| 704 output(i) = true; | |
| 705 else | |
| 706 output(i) = false; | |
| 707 } | |
| 708 else | |
| 709 output(i) = false; | |
| 710 } | |
| 711 } | |
| 712 } | |
| 713 else | |
| 714 { | |
| 715 if (size1 != size2) | |
| 716 { | |
| 717 error ("strncmp: nonconformant cell arrays"); | |
| 718 return retval; | |
| 719 } | |
| 720 | |
| 721 for (int i = 0; i < r1; i++) | |
| 722 { | |
| 723 if (cell1(i).is_string () && cell2(i).is_string ()) | |
| 724 { | |
| 725 const std::string str1 = cell1(i).string_value (); | |
| 726 const std::string str2 = cell2(i).string_value (); | |
| 727 | |
| 728 if (str1.length () >= n && str2.length () >= n | |
| 729 && str1.compare (0, n, str2, 0, n) == 0) | |
| 730 output(i) = true; | |
| 731 else | |
| 732 output(i) = false; | |
| 733 } | |
| 734 else | |
| 735 output(i) = false; | |
| 736 } | |
| 737 } | |
| 738 | |
| 739 retval = output; | |
| 740 } | |
| 741 else | |
| 742 retval = false; | |
| 743 } | |
| 744 else | |
| 745 print_usage (); | |
| 746 | |
| 747 return retval; | |
| 748 } | |
| 749 | |
| 5690 | 750 DEFUN (list_in_columns, args, , |
| 751 "-*- texinfo -*-\n\ | |
| 752 @deftypefn {Built-in Function} {} list_in_columns (@var{arg}, @var{width})\n\ | |
| 753 Return a string containing the elements of @var{arg} listed in\n\ | |
| 754 columns with an overall maximum width of @var{width}. The argument\n\ | |
| 755 @var{arg} must be a cell array of character strings or a character array.\n\ | |
| 756 If @var{width} is not specified, the width of the terminal screen is used.\n\ | |
| 757 @seealso{terminal_size}\n\ | |
| 758 @end deftypefn") | |
| 759 { | |
| 760 octave_value retval; | |
| 761 | |
| 762 int nargin = args.length (); | |
| 763 | |
| 764 if (nargin == 1 || nargin == 2) | |
| 765 { | |
| 766 string_vector s = args(0).all_strings (); | |
| 767 | |
| 768 if (! error_state) | |
| 769 { | |
| 5765 | 770 std::ostringstream buf; |
| 5690 | 771 |
| 772 if (nargin == 1) | |
| 773 // Let list_in_columns query terminal width. | |
| 774 s.list_in_columns (buf); | |
| 775 else | |
| 776 { | |
| 777 int width = args(1).int_value (); | |
| 778 | |
| 779 if (! error_state) | |
| 780 s.list_in_columns (buf, width); | |
| 781 else | |
| 782 error ("list_in_columns: expecting width to be an integer"); | |
| 783 } | |
| 784 | |
| 5765 | 785 retval = buf.str (); |
| 5690 | 786 } |
| 787 else | |
| 788 error ("list_in_columns: expecting cellstr or char array"); | |
| 789 } | |
| 790 else | |
| 5823 | 791 print_usage (); |
| 5690 | 792 |
| 793 return retval; | |
| 794 } | |
| 795 | |
| 807 | 796 /* |
| 797 ;;; Local Variables: *** | |
| 798 ;;; mode: C++ *** | |
| 799 ;;; End: *** | |
| 800 */ |