Mercurial > hg > octave-lyh
annotate src/strfns.cc @ 8372:8dff9cba15fe
move str2mat to deprecated and make it a simple wrapper around char
| author | Thorsten Meyer <thorsten.meyier@gmx.de> |
|---|---|
| date | Thu, 04 Dec 2008 22:16:52 +0100 |
| parents | 349a555729a9 |
| children | 9d456730b7a8 |
| 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 %!assert(strcmp (char ("a", "bb", "ccc"), ["a "; "bb "; "ccc"])); |
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153 */ |
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154 |
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155 |
| 4535 | 156 DEFUN (ischar, args, , |
| 3361 | 157 "-*- texinfo -*-\n\ |
| 4535 | 158 @deftypefn {Built-in Function} {} ischar (@var{a})\n\ |
| 3361 | 159 Return 1 if @var{a} is a string. Otherwise, return 0.\n\ |
| 160 @end deftypefn") | |
| 807 | 161 { |
| 4233 | 162 octave_value retval; |
| 807 | 163 |
| 164 int nargin = args.length (); | |
| 165 | |
| 166 if (nargin == 1 && args(0).is_defined ()) | |
| 4233 | 167 retval = args(0).is_string (); |
| 807 | 168 else |
| 5823 | 169 print_usage (); |
| 807 | 170 |
| 171 return retval; | |
| 172 } | |
| 173 | |
| 5415 | 174 DEFUN (strcmp, args, , |
| 175 "-*- texinfo -*-\n\ | |
| 6678 | 176 @deftypefn {Built-in Function} {} strcmp (@var{s1}, @var{s2})\n\ |
| 5415 | 177 Return 1 if the character strings @var{s1} and @var{s2} are the same,\n\ |
| 178 and 0 otherwise.\n\ | |
| 5674 | 179 \n\ |
| 180 If either @var{s1} or @var{s2} is a cell array of strings, then an array\n\ | |
| 181 of the same size is returned, containing the values described above for\n\ | |
| 182 every member of the cell array. The other argument may also be a cell\n\ | |
| 183 array of strings (of the same size or with only one element), char matrix\n\ | |
| 184 or character string.\n\ | |
| 185 \n\ | |
| 186 @strong{Caution:} For compatibility with @sc{Matlab}, Octave's strcmp\n\ | |
| 187 function returns 1 if the character strings are equal, and 0 otherwise.\n\ | |
| 188 This is just the opposite of the corresponding C library function.\n\ | |
| 189 @seealso{strcmpi, strncmp, strncmpi}\n\ | |
| 5415 | 190 @end deftypefn") |
| 191 { | |
| 5531 | 192 octave_value retval; |
| 5415 | 193 |
| 5416 | 194 if (args.length () == 2) |
| 195 { | |
| 196 bool s1_string = args(0).is_string (); | |
| 197 bool s1_cell = args(0).is_cell (); | |
| 198 bool s2_string = args(1).is_string (); | |
| 199 bool s2_cell = args(1).is_cell (); | |
| 5415 | 200 |
| 5416 | 201 if (s1_string && s2_string) |
| 202 { | |
| 203 // Must match exactly in all dimensions. | |
| 204 | |
| 205 const dim_vector dv1 = args(0).dims (); | |
| 206 const dim_vector dv2 = args(1).dims (); | |
| 5415 | 207 |
| 5416 | 208 if (dv1.length () == dv2.length ()) |
| 209 { | |
| 210 for (int i = 0; i < dv1.length (); i++) | |
| 211 { | |
| 212 if (dv1(i) != dv2(i)) | |
| 213 { | |
| 214 retval = false; | |
| 215 return retval; | |
| 216 } | |
| 217 } | |
| 5415 | 218 |
| 5416 | 219 if (dv1(0) == 0) |
| 220 retval = true; | |
| 221 else | |
| 222 { | |
| 223 charNDArray s1 = args(0).char_array_value (); | |
| 224 charNDArray s2 = args(1).char_array_value (); | |
| 5415 | 225 |
| 5416 | 226 for (int i = 0; i < dv1.numel (); i++) |
| 227 { | |
| 228 if (s1(i) != s2(i)) | |
| 229 { | |
| 230 retval = false; | |
| 231 return retval; | |
| 232 } | |
| 233 } | |
| 5415 | 234 |
| 5416 | 235 retval = true; |
| 236 } | |
| 5415 | 237 } |
| 238 } | |
| 5416 | 239 else if ((s1_string && s2_cell) || (s1_cell && s2_string)) |
| 5415 | 240 { |
| 5416 | 241 string_vector str; |
| 242 Cell cell; | |
| 243 int r; | |
| 5415 | 244 |
| 5416 | 245 if (s1_string) |
| 246 { | |
| 247 str = args(0).all_strings (); | |
| 248 r = args(0).rows (); | |
| 249 cell = args(1).cell_value (); | |
| 250 } | |
| 251 else | |
| 252 { | |
| 253 str = args(1).all_strings (); | |
| 254 r = args(1).rows (); | |
| 255 cell = args(0).cell_value (); | |
| 256 } | |
| 257 | |
| 5862 | 258 if (r == 0 || r == 1) |
| 5416 | 259 { |
| 260 // Broadcast the string. | |
| 261 | |
| 262 boolNDArray output (cell.dimensions); | |
| 5415 | 263 |
| 5862 | 264 std::string s = r == 0 ? std::string () : str[0]; |
| 265 | |
| 5416 | 266 for (int i = 0; i < cell.length (); i++) |
| 6250 | 267 { |
| 268 if (cell(i).is_string ()) | |
| 269 output(i) = (cell(i).string_value () == s); | |
| 270 else | |
| 271 output(i) = false; | |
| 272 } | |
| 5416 | 273 |
| 274 retval = output; | |
| 275 } | |
| 276 else if (r > 1) | |
| 5415 | 277 { |
| 5416 | 278 if (cell.length () == 1) |
| 5415 | 279 { |
| 5416 | 280 // Broadcast the cell. |
| 281 | |
| 282 const dim_vector dv (r, 1); | |
| 283 boolNDArray output (dv); | |
| 284 | |
| 285 if (cell(0).is_string ()) | |
| 286 { | |
| 287 const std::string str2 = cell(0).string_value (); | |
| 5415 | 288 |
| 5416 | 289 for (int i = 0; i < r; i++) |
| 290 output(i) = (str[i] == str2); | |
| 291 } | |
| 292 else | |
| 293 { | |
| 294 for (int i = 0; i < r; i++) | |
| 295 output(i) = false; | |
| 296 } | |
| 297 | |
| 298 retval = output; | |
| 5415 | 299 } |
| 300 else | |
| 301 { | |
| 5416 | 302 // Must match in all dimensions. |
| 303 | |
| 304 boolNDArray output (cell.dimensions); | |
| 5415 | 305 |
| 5416 | 306 if (cell.length () == r) |
| 307 { | |
| 308 for (int i = 0; i < r; i++) | |
| 6250 | 309 { |
| 310 if (cell(i).is_string ()) | |
| 311 output(i) = (str[i] == cell(i).string_value ()); | |
| 312 else | |
| 313 output(i) = false; | |
| 314 } | |
| 5415 | 315 |
| 5416 | 316 retval = output; |
| 317 } | |
| 318 else | |
| 319 retval = false; | |
| 5415 | 320 } |
| 321 } | |
| 322 } | |
| 5416 | 323 else if (s1_cell && s2_cell) |
| 5415 | 324 { |
| 5416 | 325 Cell cell1; |
| 326 Cell cell2; | |
| 5415 | 327 |
| 5416 | 328 int r1 = args(0).numel (); |
| 329 int r2; | |
| 330 | |
| 331 if (r1 == 1) | |
| 332 { | |
| 333 // Make the singleton cell2. | |
| 5415 | 334 |
| 5416 | 335 cell1 = args(1).cell_value (); |
| 336 cell2 = args(0).cell_value (); | |
| 337 r1 = cell1.length (); | |
| 338 r2 = 1; | |
| 339 } | |
| 340 else | |
| 341 { | |
| 342 cell1 = args(0).cell_value (); | |
| 343 cell2 = args(1).cell_value (); | |
| 344 r2 = cell2.length (); | |
| 345 } | |
| 5415 | 346 |
| 5416 | 347 const dim_vector size1 = cell1.dimensions; |
| 348 const dim_vector size2 = cell2.dimensions; | |
| 349 | |
| 350 boolNDArray output (size1); | |
| 351 | |
| 352 if (r2 == 1) | |
| 353 { | |
| 354 // Broadcast cell2. | |
| 355 | |
| 356 if (! cell2(0).is_string ()) | |
| 5415 | 357 { |
| 5416 | 358 for (int i = 0; i < r1; i++) |
| 359 output(i) = false; | |
| 5415 | 360 } |
| 361 else | |
| 5416 | 362 { |
| 363 const std::string str2 = cell2(0).string_value (); | |
| 364 | |
| 365 for (int i = 0; i < r1; i++) | |
| 366 { | |
| 367 if (cell1(i).is_string ()) | |
| 368 { | |
| 369 const std::string str1 = cell1(i).string_value (); | |
| 370 output(i) = (str1 == str2); | |
| 371 } | |
| 372 else | |
| 373 output(i) = false; | |
| 374 } | |
| 375 } | |
| 5415 | 376 } |
| 5416 | 377 else |
| 378 { | |
| 379 if (size1 != size2) | |
| 380 { | |
| 381 error ("strcmp: nonconformant cell arrays"); | |
| 382 return retval; | |
| 383 } | |
| 384 | |
| 385 for (int i = 0; i < r1; i++) | |
| 386 { | |
| 387 if (cell1(i).is_string () && cell2(i).is_string ()) | |
| 388 { | |
| 389 const std::string str1 = cell1(i).string_value (); | |
| 390 const std::string str2 = cell2(i).string_value (); | |
| 391 output(i) = (str1 == str2); | |
| 392 } | |
| 393 else | |
| 394 output(i) = false; | |
| 395 } | |
| 396 } | |
| 397 | |
| 398 retval = output; | |
| 5415 | 399 } |
| 5531 | 400 else |
| 401 retval = false; | |
| 5415 | 402 } |
| 5416 | 403 else |
| 5823 | 404 print_usage (); |
| 5415 | 405 |
| 406 return retval; | |
| 407 } | |
| 408 | |
| 5862 | 409 /* |
| 410 %!shared x | |
| 411 %! x = char (zeros (0, 2)); | |
| 412 %!assert (strcmp ('', x) == false); | |
| 413 %!assert (strcmp (x, '') == false); | |
| 414 %!assert (strcmp (x, x) == true); | |
| 5911 | 415 ## %!assert (strcmp ({''}, x) == false); |
| 416 ## %!assert (strcmp ({x}, '') == false); | |
| 417 ## %!assert (strcmp ({x}, x) == true); | |
| 418 ## %!assert (strcmp ('', {x}) == false); | |
| 419 ## %!assert (strcmp (x, {''}) == false); | |
| 420 ## %!assert (strcmp (x, {x}) == true); | |
| 421 ## %!assert (all (strcmp ({x; x}, '') == [false; false])); | |
| 422 ## %!assert (all (strcmp ({x; x}, {''}) == [false; false])); | |
| 423 ## %!assert (all (strcmp ('', {x; x}) == [false; false])); | |
| 424 ## %!assert (all (strcmp ({''}, {x; x}) == [false; false])); | |
| 5862 | 425 %!assert (strcmp ({'foo'}, x) == false); |
| 426 %!assert (strcmp ({'foo'}, 'foo') == true); | |
| 427 %!assert (strcmp ({'foo'}, x) == false); | |
| 428 %!assert (strcmp (x, {'foo'}) == false); | |
| 429 %!assert (strcmp ('foo', {'foo'}) == true); | |
| 430 %!assert (strcmp (x, {'foo'}) == false); | |
| 431 %!shared y | |
| 432 %! y = char (zeros (2, 0)); | |
| 433 %!assert (strcmp ('', y) == false); | |
| 434 %!assert (strcmp (y, '') == false); | |
| 435 %!assert (strcmp (y, y) == true); | |
| 436 %!assert (all (strcmp ({''}, y) == [true; true])); | |
| 437 %!assert (strcmp ({y}, '') == true); | |
| 438 %!assert (all (strcmp ({y}, y) == [true; true])); | |
| 439 %!assert (all (strcmp ('', {y}) == [true; true])); | |
| 440 %!assert (all (strcmp (y, {''}) == [true; true])); | |
| 441 %!assert (all (strcmp (y, {y}) == [true; true])); | |
| 5911 | 442 ## %!assert (all (strcmp ({y; y}, '') == [false; false])); |
| 443 ## %!assert (all (strcmp ({y; y}, {''}) == [false; false])); | |
| 444 ## %!assert (all (strcmp ('', {y; y}) == [false; false])); | |
| 445 ## %!assert (all (strcmp ({''}, {y; y}) == [false; false])); | |
| 5862 | 446 %!assert (all (strcmp ({'foo'}, y) == [false; false])); |
| 447 %!assert (all (strcmp ({'foo'}, y) == [false; false])); | |
| 448 %!assert (all (strcmp (y, {'foo'}) == [false; false])); | |
| 449 %!assert (all (strcmp (y, {'foo'}) == [false; false])); | |
| 450 */ | |
| 451 | |
| 6250 | 452 DEFUN (strncmp, args, , |
| 453 "-*- texinfo -*-\n\ | |
| 6678 | 454 @deftypefn {Built-in Function} {} strncmp (@var{s1}, @var{s2}, @var{n})\n\ |
| 6250 | 455 Return 1 if the first @var{n} characters of strings @var{s1} and @var{s2} are the same,\n\ |
| 456 and 0 otherwise.\n\ | |
| 457 \n\ | |
| 458 @example\n\ | |
| 459 @group\n\ | |
| 460 strncmp (\"abce\", \"abcd\", 3)\n\ | |
| 461 @result{} 1\n\ | |
| 462 @end group\n\ | |
| 463 @end example\n\ | |
| 464 \n\ | |
| 465 If either @var{s1} or @var{s2} is a cell array of strings, then an array\n\ | |
| 466 of the same size is returned, containing the values described above for\n\ | |
| 467 every member of the cell array. The other argument may also be a cell\n\ | |
| 468 array of strings (of the same size or with only one element), char matrix\n\ | |
| 469 or character string.\n\ | |
| 470 \n\ | |
| 471 @example\n\ | |
| 472 @group\n\ | |
| 6256 | 473 strncmp (\"abce\", @{\"abcd\", \"bca\", \"abc\"@}, 3)\n\ |
| 6250 | 474 @result{} [1, 0, 1]\n\ |
| 475 @end group\n\ | |
| 476 @end example\n\ | |
| 477 \n\ | |
| 478 @strong{Caution:} For compatibility with @sc{Matlab}, Octave's strncmp\n\ | |
| 479 function returns 1 if the character strings are equal, and 0 otherwise.\n\ | |
| 480 This is just the opposite of the corresponding C library function.\n\ | |
| 481 @seealso{strncmpi, strcmp, strcmpi}\n\ | |
| 482 @end deftypefn") | |
| 483 { | |
| 484 octave_value retval; | |
| 485 | |
| 486 if (args.length () == 3) | |
| 487 { | |
| 488 bool s1_string = args(0).is_string (); | |
| 489 bool s1_cell = args(0).is_cell (); | |
| 490 bool s2_string = args(1).is_string (); | |
| 491 bool s2_cell = args(1).is_cell (); | |
| 492 | |
| 493 // Match only first n strings. | |
| 494 int n = args(2).int_value (); | |
| 495 | |
| 496 if (n <= 0) | |
| 497 { | |
| 498 error ("strncmp: N must be greater than 0"); | |
| 499 return retval; | |
| 500 } | |
| 501 | |
| 502 if (s1_string && s2_string) | |
| 503 { | |
| 504 // The only restriction here is that each string has equal or | |
| 505 // greater than n characters | |
| 506 | |
| 507 const dim_vector dv1 = args(0).dims (); | |
| 508 const dim_vector dv2 = args(1).dims (); | |
| 509 | |
| 510 if (dv1.numel () >= n && dv2.numel () >= n) | |
| 511 { | |
| 512 // Follow Matlab in the sense that the first n characters of | |
| 513 // the two strings (in column major order) need to be the same. | |
| 514 charNDArray s1 = args(0).char_array_value (); | |
| 515 charNDArray s2 = args(1).char_array_value (); | |
| 516 | |
| 517 for (int i = 0; i < n; i++) | |
| 518 { | |
| 519 if (s1(i) != s2(i)) | |
| 520 { | |
| 521 retval = false; | |
| 522 return retval; | |
| 523 } | |
| 524 } | |
| 525 | |
| 526 retval = true; | |
| 527 } | |
| 528 else | |
| 529 retval = false; | |
| 530 } | |
| 531 else if ((s1_string && s2_cell) || (s1_cell && s2_string)) | |
| 532 { | |
| 533 string_vector str; | |
| 534 Cell cell; | |
| 535 int r, c; | |
| 536 | |
| 537 if (s1_string) | |
| 538 { | |
| 539 str = args(0).all_strings (); | |
| 540 r = args(0).rows (); | |
| 541 c = args(0).columns (); | |
| 542 cell = args(1).cell_value (); | |
| 543 } | |
| 544 else | |
| 545 { | |
| 546 str = args(1).all_strings (); | |
| 547 r = args(1).rows (); | |
| 548 c = args(1).columns (); | |
| 549 cell = args(0).cell_value (); | |
| 550 } | |
| 551 | |
| 552 if (r == 1) | |
| 553 { | |
| 554 // Broadcast the string. | |
| 555 | |
| 556 boolNDArray output (cell.dimensions); | |
| 557 | |
| 558 if (c < n) | |
| 559 { | |
| 560 for (int i = 0; i < cell.length (); i++) | |
| 561 output(i) = false; | |
| 562 } | |
| 563 else | |
| 564 { | |
| 565 for (int i = 0; i < cell.length (); i++) | |
| 566 { | |
| 567 if (cell(i).is_string ()) | |
| 568 { | |
| 569 const std::string str2 = cell(i).string_value (); | |
| 570 | |
| 571 if (str2.length() >= n) | |
| 572 { | |
| 573 if (str2.compare (0, n, str[0], 0, n) == 0) | |
| 574 output(i) = true; | |
| 575 else | |
| 576 output(i) = false; | |
| 577 } | |
| 578 else | |
| 579 output(i) = false; | |
| 580 } | |
| 581 } | |
| 582 } | |
| 583 | |
| 584 retval = output; | |
| 585 } | |
| 586 else if (r > 1) | |
| 587 { | |
| 588 if (cell.length () == 1) | |
| 589 { | |
| 590 // Broadcast the cell. | |
| 591 | |
| 592 const dim_vector dv (r, 1); | |
| 593 boolNDArray output (dv); | |
| 594 | |
| 595 if (cell(0).is_string () && c >= n) | |
| 596 { | |
| 597 const std::string str2 = cell(0).string_value (); | |
| 598 | |
| 599 if (str2.length () >= n) | |
| 600 { | |
| 601 for (int i = 0; i < r; i++) | |
| 602 { | |
| 603 if (str[i].compare (0, n, str2, 0, n) == 0) | |
| 604 output(i) = true; | |
| 605 else | |
| 606 output(i) = false; | |
| 607 } | |
| 608 } | |
| 609 else | |
| 610 { | |
| 611 for (int i = 0; i < r; i++) | |
| 612 output(i) = false; | |
| 613 } | |
| 614 } | |
| 615 else | |
| 616 { | |
| 617 for (int i = 0; i < r; i++) | |
| 618 output(i) = false; | |
| 619 } | |
| 620 | |
| 621 retval = output; | |
| 622 } | |
| 623 else | |
| 624 { | |
| 625 // Must match in all dimensions. | |
| 626 | |
| 627 boolNDArray output (cell.dimensions); | |
| 628 | |
| 629 if (cell.numel () == r) | |
| 630 { | |
| 631 for (int i = 0; i < r; i++) | |
| 632 { | |
| 633 output(i) = false; | |
| 634 | |
| 635 if (cell(i).is_string () && c >= n) | |
| 636 { | |
| 637 std::string str2 = cell(i).string_value (); | |
| 638 | |
| 639 if (str2.length () >= n | |
| 640 && str2.compare (0, n, str[i], 0, n) == 0) | |
| 641 output(i) = true; | |
| 642 } | |
| 643 } | |
| 644 | |
| 645 retval = output; | |
| 646 } | |
| 647 else | |
| 648 { | |
| 649 error ("strncmp: the number of rows of the string matrix must match the number of elements in the cell"); | |
| 650 return retval; | |
| 651 } | |
| 652 } | |
| 653 } | |
| 654 } | |
| 655 else if (s1_cell && s2_cell) | |
| 656 { | |
| 657 Cell cell1; | |
| 658 Cell cell2; | |
| 659 | |
| 660 int r1 = args(0).numel (); | |
| 661 int r2; | |
| 662 | |
| 663 if (r1 == 1) | |
| 664 { | |
| 665 // Make the singleton cell2. | |
| 666 | |
| 667 cell1 = args(1).cell_value (); | |
| 668 cell2 = args(0).cell_value (); | |
| 669 r1 = cell1.length (); | |
| 670 r2 = 1; | |
| 671 } | |
| 672 else | |
| 673 { | |
| 674 cell1 = args(0).cell_value (); | |
| 675 cell2 = args(1).cell_value (); | |
| 676 r2 = cell2.length (); | |
| 677 } | |
| 678 | |
| 679 const dim_vector size1 = cell1.dimensions; | |
| 680 const dim_vector size2 = cell2.dimensions; | |
| 681 | |
| 682 boolNDArray output (size1); | |
| 683 | |
| 684 if (r2 == 1) | |
| 685 { | |
| 686 // Broadcast cell2. | |
| 687 | |
| 688 if (! cell2(0).is_string ()) | |
| 689 { | |
| 690 for (int i = 0; i < r1; i++) | |
| 691 output(i) = false; | |
| 692 } | |
| 693 else | |
| 694 { | |
| 695 const std::string str2 = cell2(0).string_value (); | |
| 696 | |
| 697 for (int i = 0; i < r1; i++) | |
| 698 { | |
| 699 if (cell1(i).is_string ()) | |
| 700 { | |
| 701 const std::string str1 = cell1(i).string_value (); | |
| 702 | |
| 703 if (str1.length () >= n && str2.length () >= n | |
| 704 && str1.compare (0, n, str2, 0, n) == 0) | |
| 705 output(i) = true; | |
| 706 else | |
| 707 output(i) = false; | |
| 708 } | |
| 709 else | |
| 710 output(i) = false; | |
| 711 } | |
| 712 } | |
| 713 } | |
| 714 else | |
| 715 { | |
| 716 if (size1 != size2) | |
| 717 { | |
| 718 error ("strncmp: nonconformant cell arrays"); | |
| 719 return retval; | |
| 720 } | |
| 721 | |
| 722 for (int i = 0; i < r1; i++) | |
| 723 { | |
| 724 if (cell1(i).is_string () && cell2(i).is_string ()) | |
| 725 { | |
| 726 const std::string str1 = cell1(i).string_value (); | |
| 727 const std::string str2 = cell2(i).string_value (); | |
| 728 | |
| 729 if (str1.length () >= n && str2.length () >= n | |
| 730 && str1.compare (0, n, str2, 0, n) == 0) | |
| 731 output(i) = true; | |
| 732 else | |
| 733 output(i) = false; | |
| 734 } | |
| 735 else | |
| 736 output(i) = false; | |
| 737 } | |
| 738 } | |
| 739 | |
| 740 retval = output; | |
| 741 } | |
| 742 else | |
| 743 retval = false; | |
| 744 } | |
| 745 else | |
| 746 print_usage (); | |
| 747 | |
| 748 return retval; | |
| 749 } | |
| 750 | |
| 5690 | 751 DEFUN (list_in_columns, args, , |
| 752 "-*- texinfo -*-\n\ | |
| 753 @deftypefn {Built-in Function} {} list_in_columns (@var{arg}, @var{width})\n\ | |
| 754 Return a string containing the elements of @var{arg} listed in\n\ | |
| 755 columns with an overall maximum width of @var{width}. The argument\n\ | |
| 756 @var{arg} must be a cell array of character strings or a character array.\n\ | |
| 757 If @var{width} is not specified, the width of the terminal screen is used.\n\ | |
| 758 @seealso{terminal_size}\n\ | |
| 759 @end deftypefn") | |
| 760 { | |
| 761 octave_value retval; | |
| 762 | |
| 763 int nargin = args.length (); | |
| 764 | |
| 765 if (nargin == 1 || nargin == 2) | |
| 766 { | |
| 767 string_vector s = args(0).all_strings (); | |
| 768 | |
| 769 if (! error_state) | |
| 770 { | |
| 5765 | 771 std::ostringstream buf; |
| 5690 | 772 |
| 773 if (nargin == 1) | |
| 774 // Let list_in_columns query terminal width. | |
| 775 s.list_in_columns (buf); | |
| 776 else | |
| 777 { | |
| 778 int width = args(1).int_value (); | |
| 779 | |
| 780 if (! error_state) | |
| 781 s.list_in_columns (buf, width); | |
| 782 else | |
| 783 error ("list_in_columns: expecting width to be an integer"); | |
| 784 } | |
| 785 | |
| 5765 | 786 retval = buf.str (); |
| 5690 | 787 } |
| 788 else | |
| 789 error ("list_in_columns: expecting cellstr or char array"); | |
| 790 } | |
| 791 else | |
| 5823 | 792 print_usage (); |
| 5690 | 793 |
| 794 return retval; | |
| 795 } | |
| 796 | |
| 807 | 797 /* |
| 798 ;;; Local Variables: *** | |
| 799 ;;; mode: C++ *** | |
| 800 ;;; End: *** | |
| 801 */ |