projects / dragonfly.git / blame
| Commit | Line | Data |
|---|---|---|
| 92d0a6a6 | 1 | // -*- C++ -*- |
| 4d3e9548 JL |
2 | /* Copyright (C) 1989, 1990, 1991, 1992, 2009 |
| 3 | Free Software Foundation, Inc. | |
| 92d0a6a6 JR |
4 | Written by James Clark (jjc@jclark.com) |
| 5 | ||
| 6 | This file is part of groff. | |
| 7 | ||
| 8 | groff is free software; you can redistribute it and/or modify it under | |
| 9 | the terms of the GNU General Public License as published by the Free | |
| 4d3e9548 JL |
10 | Software Foundation, either version 3 of the License, or |
| 11 | (at your option) any later version. | |
| 92d0a6a6 JR |
12 | |
| 13 | groff is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 14 | 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 | ||
| 4d3e9548 JL |
18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
| 92d0a6a6 JR |
20 | |
| 21 | #include "guess.h" | |
| 22 | ||
| 23 | void guess(const char *s, const font_params ¶m, char_metric *metric) | |
| 24 | { | |
| 25 | int &height = metric->height; | |
| 26 | int &depth = metric->depth; | |
| 27 | ||
| 28 | metric->ic = 0; | |
| 29 | metric->left_ic = 0; | |
| 30 | metric->sk = 0; | |
| 31 | height = 0; | |
| 32 | depth = 0; | |
| 33 | if (s[0] == '\0' || (s[1] != '\0' && s[2] != '\0')) | |
| 34 | goto do_default; | |
| 35 | #define HASH(c1, c2) (((unsigned char)(c1) << 8) | (unsigned char)(c2)) | |
| 36 | switch (HASH(s[0], s[1])) { | |
| 37 | default: | |
| 38 | do_default: | |
| 39 | if (metric->type & 01) | |
| 40 | depth = param.desc_depth; | |
| 41 | if (metric->type & 02) | |
| 42 | height = param.asc_height; | |
| 43 | else | |
| 44 | height = param.x_height; | |
| 45 | break; | |
| 46 | case HASH('\\', '|'): | |
| 47 | case HASH('\\', '^'): | |
| 48 | case HASH('\\', '&'): | |
| 49 | // these have zero height and depth | |
| 50 | break; | |
| 51 | case HASH('f', 0): | |
| 52 | height = param.asc_height; | |
| 53 | if (param.italic) | |
| 54 | depth = param.desc_depth; | |
| 55 | break; | |
| 56 | case HASH('a', 0): | |
| 57 | case HASH('c', 0): | |
| 58 | case HASH('e', 0): | |
| 59 | case HASH('m', 0): | |
| 60 | case HASH('n', 0): | |
| 61 | case HASH('o', 0): | |
| 62 | case HASH('r', 0): | |
| 63 | case HASH('s', 0): | |
| 64 | case HASH('u', 0): | |
| 65 | case HASH('v', 0): | |
| 66 | case HASH('w', 0): | |
| 67 | case HASH('x', 0): | |
| 68 | case HASH('z', 0): | |
| 69 | height = param.x_height; | |
| 70 | break; | |
| 71 | case HASH('i', 0): | |
| 72 | height = param.x_height; | |
| 73 | break; | |
| 74 | case HASH('b', 0): | |
| 75 | case HASH('d', 0): | |
| 76 | case HASH('h', 0): | |
| 77 | case HASH('k', 0): | |
| 78 | case HASH('l', 0): | |
| 79 | case HASH('F', 'i'): | |
| 80 | case HASH('F', 'l'): | |
| 81 | case HASH('f', 'f'): | |
| 82 | case HASH('f', 'i'): | |
| 83 | case HASH('f', 'l'): | |
| 84 | height = param.asc_height; | |
| 85 | break; | |
| 86 | case HASH('t', 0): | |
| 87 | height = param.asc_height; | |
| 88 | break; | |
| 89 | case HASH('g', 0): | |
| 90 | case HASH('p', 0): | |
| 91 | case HASH('q', 0): | |
| 92 | case HASH('y', 0): | |
| 93 | height = param.x_height; | |
| 94 | depth = param.desc_depth; | |
| 95 | break; | |
| 96 | case HASH('j', 0): | |
| 97 | height = param.x_height; | |
| 98 | depth = param.desc_depth; | |
| 99 | break; | |
| 100 | case HASH('A', 0): | |
| 101 | case HASH('B', 0): | |
| 102 | case HASH('C', 0): | |
| 103 | case HASH('D', 0): | |
| 104 | case HASH('E', 0): | |
| 105 | case HASH('F', 0): | |
| 106 | case HASH('G', 0): | |
| 107 | case HASH('H', 0): | |
| 108 | case HASH('I', 0): | |
| 109 | case HASH('J', 0): | |
| 110 | case HASH('K', 0): | |
| 111 | case HASH('L', 0): | |
| 112 | case HASH('M', 0): | |
| 113 | case HASH('N', 0): | |
| 114 | case HASH('O', 0): | |
| 115 | case HASH('P', 0): | |
| 116 | case HASH('Q', 0): | |
| 117 | case HASH('R', 0): | |
| 118 | case HASH('S', 0): | |
| 119 | case HASH('T', 0): | |
| 120 | case HASH('U', 0): | |
| 121 | case HASH('V', 0): | |
| 122 | case HASH('W', 0): | |
| 123 | case HASH('X', 0): | |
| 124 | case HASH('Y', 0): | |
| 125 | case HASH('Z', 0): | |
| 126 | height = param.cap_height; | |
| 127 | break; | |
| 128 | case HASH('*', 'A'): | |
| 129 | case HASH('*', 'B'): | |
| 130 | case HASH('*', 'C'): | |
| 131 | case HASH('*', 'D'): | |
| 132 | case HASH('*', 'E'): | |
| 133 | case HASH('*', 'F'): | |
| 134 | case HASH('*', 'G'): | |
| 135 | case HASH('*', 'H'): | |
| 136 | case HASH('*', 'I'): | |
| 137 | case HASH('*', 'K'): | |
| 138 | case HASH('*', 'L'): | |
| 139 | case HASH('*', 'M'): | |
| 140 | case HASH('*', 'N'): | |
| 141 | case HASH('*', 'O'): | |
| 142 | case HASH('*', 'P'): | |
| 143 | case HASH('*', 'Q'): | |
| 144 | case HASH('*', 'R'): | |
| 145 | case HASH('*', 'S'): | |
| 146 | case HASH('*', 'T'): | |
| 147 | case HASH('*', 'U'): | |
| 148 | case HASH('*', 'W'): | |
| 149 | case HASH('*', 'X'): | |
| 150 | case HASH('*', 'Y'): | |
| 151 | case HASH('*', 'Z'): | |
| 152 | height = param.cap_height; | |
| 153 | break; | |
| 154 | case HASH('0', 0): | |
| 155 | case HASH('1', 0): | |
| 156 | case HASH('2', 0): | |
| 157 | case HASH('3', 0): | |
| 158 | case HASH('4', 0): | |
| 159 | case HASH('5', 0): | |
| 160 | case HASH('6', 0): | |
| 161 | case HASH('7', 0): | |
| 162 | case HASH('8', 0): | |
| 163 | case HASH('9', 0): | |
| 164 | case HASH('1', '2'): | |
| 165 | case HASH('1', '4'): | |
| 166 | case HASH('3', '4'): | |
| 167 | height = param.fig_height; | |
| 168 | break; | |
| 169 | case HASH('(', 0): | |
| 170 | case HASH(')', 0): | |
| 171 | case HASH('[', 0): | |
| 172 | case HASH(']', 0): | |
| 173 | case HASH('{', 0): | |
| 174 | case HASH('}', 0): | |
| 175 | height = param.body_height; | |
| 176 | depth = param.body_depth; | |
| 177 | break; | |
| 178 | case HASH('i', 's'): | |
| 179 | height = (param.em*3)/4; | |
| 180 | depth = param.em/4; | |
| 181 | break; | |
| 182 | case HASH('*', 'a'): | |
| 183 | case HASH('*', 'e'): | |
| 184 | case HASH('*', 'i'): | |
| 185 | case HASH('*', 'k'): | |
| 186 | case HASH('*', 'n'): | |
| 187 | case HASH('*', 'o'): | |
| 188 | case HASH('*', 'p'): | |
| 189 | case HASH('*', 's'): | |
| 190 | case HASH('*', 't'): | |
| 191 | case HASH('*', 'u'): | |
| 192 | case HASH('*', 'w'): | |
| 193 | height = param.x_height; | |
| 194 | break; | |
| 195 | case HASH('*', 'd'): | |
| 196 | case HASH('*', 'l'): | |
| 197 | height = param.asc_height; | |
| 198 | break; | |
| 199 | case HASH('*', 'g'): | |
| 200 | case HASH('*', 'h'): | |
| 201 | case HASH('*', 'm'): | |
| 202 | case HASH('*', 'r'): | |
| 203 | case HASH('*', 'x'): | |
| 204 | case HASH('*', 'y'): | |
| 205 | height = param.x_height; | |
| 206 | depth = param.desc_depth; | |
| 207 | break; | |
| 208 | case HASH('*', 'b'): | |
| 209 | case HASH('*', 'c'): | |
| 210 | case HASH('*', 'f'): | |
| 211 | case HASH('*', 'q'): | |
| 212 | case HASH('*', 'z'): | |
| 213 | height = param.asc_height; | |
| 214 | depth = param.desc_depth; | |
| 215 | break; | |
| 216 | case HASH('t', 's'): | |
| 217 | height = param.x_height; | |
| 218 | depth = param.desc_depth; | |
| 219 | break; | |
| 220 | case HASH('!', 0): | |
| 221 | case HASH('?', 0): | |
| 222 | case HASH('"', 0): | |
| 223 | case HASH('#', 0): | |
| 224 | case HASH('$', 0): | |
| 225 | case HASH('%', 0): | |
| 226 | case HASH('&', 0): | |
| 227 | case HASH('*', 0): | |
| 228 | case HASH('+', 0): | |
| 229 | height = param.asc_height; | |
| 230 | break; | |
| 231 | case HASH('`', 0): | |
| 232 | case HASH('\'', 0): | |
| 233 | height = param.asc_height; | |
| 234 | break; | |
| 235 | case HASH('~', 0): | |
| 236 | case HASH('^', 0): | |
| 237 | case HASH('a', 'a'): | |
| 238 | case HASH('g', 'a'): | |
| 239 | height = param.asc_height; | |
| 240 | break; | |
| 241 | case HASH('r', 'u'): | |
| 242 | case HASH('.', 0): | |
| 243 | break; | |
| 244 | case HASH(',', 0): | |
| 245 | depth = param.comma_depth; | |
| 246 | break; | |
| 247 | case HASH('m', 'i'): | |
| 248 | case HASH('-', 0): | |
| 249 | case HASH('h', 'y'): | |
| 250 | case HASH('e', 'm'): | |
| 251 | height = param.x_height; | |
| 252 | break; | |
| 253 | case HASH(':', 0): | |
| 254 | height = param.x_height; | |
| 255 | break; | |
| 256 | case HASH(';', 0): | |
| 257 | height = param.x_height; | |
| 258 | depth = param.comma_depth; | |
| 259 | break; | |
| 260 | case HASH('=', 0): | |
| 261 | case HASH('e', 'q'): | |
| 262 | height = param.x_height; | |
| 263 | break; | |
| 264 | case HASH('<', 0): | |
| 265 | case HASH('>', 0): | |
| 266 | case HASH('>', '='): | |
| 267 | case HASH('<', '='): | |
| 268 | case HASH('@', 0): | |
| 269 | case HASH('/', 0): | |
| 270 | case HASH('|', 0): | |
| 271 | case HASH('\\', 0): | |
| 272 | height = param.asc_height; | |
| 273 | break; | |
| 274 | case HASH('_', 0): | |
| 275 | case HASH('u', 'l'): | |
| 276 | case HASH('\\', '_'): | |
| 277 | depth = param.em/4; | |
| 278 | break; | |
| 279 | case HASH('r', 'n'): | |
| 280 | height = (param.em*3)/4; | |
| 281 | break; | |
| 282 | case HASH('s', 'r'): | |
| 283 | height = (param.em*3)/4; | |
| 284 | depth = param.em/4; | |
| 285 | break; | |
| 286 | case HASH('b', 'u'): | |
| 287 | case HASH('s', 'q'): | |
| 288 | case HASH('d', 'e'): | |
| 289 | case HASH('d', 'g'): | |
| 290 | case HASH('f', 'm'): | |
| 291 | case HASH('c', 't'): | |
| 292 | case HASH('r', 'g'): | |
| 293 | case HASH('c', 'o'): | |
| 294 | case HASH('p', 'l'): | |
| 295 | case HASH('*', '*'): | |
| 296 | case HASH('s', 'c'): | |
| 297 | case HASH('s', 'l'): | |
| 298 | case HASH('=', '='): | |
| 299 | case HASH('~', '='): | |
| 300 | case HASH('a', 'p'): | |
| 301 | case HASH('!', '='): | |
| 302 | case HASH('-', '>'): | |
| 303 | case HASH('<', '-'): | |
| 304 | case HASH('u', 'a'): | |
| 305 | case HASH('d', 'a'): | |
| 306 | case HASH('m', 'u'): | |
| 307 | case HASH('d', 'i'): | |
| 308 | case HASH('+', '-'): | |
| 309 | case HASH('c', 'u'): | |
| 310 | case HASH('c', 'a'): | |
| 311 | case HASH('s', 'b'): | |
| 312 | case HASH('s', 'p'): | |
| 313 | case HASH('i', 'b'): | |
| 314 | case HASH('i', 'p'): | |
| 315 | case HASH('i', 'f'): | |
| 316 | case HASH('p', 'd'): | |
| 317 | case HASH('g', 'r'): | |
| 318 | case HASH('n', 'o'): | |
| 319 | case HASH('p', 't'): | |
| 320 | case HASH('e', 's'): | |
| 321 | case HASH('m', 'o'): | |
| 322 | case HASH('b', 'r'): | |
| 323 | case HASH('d', 'd'): | |
| 324 | case HASH('r', 'h'): | |
| 325 | case HASH('l', 'h'): | |
| 326 | case HASH('o', 'r'): | |
| 327 | case HASH('c', 'i'): | |
| 328 | height = param.asc_height; | |
| 329 | break; | |
| 330 | case HASH('l', 't'): | |
| 331 | case HASH('l', 'b'): | |
| 332 | case HASH('r', 't'): | |
| 333 | case HASH('r', 'b'): | |
| 334 | case HASH('l', 'k'): | |
| 335 | case HASH('r', 'k'): | |
| 336 | case HASH('b', 'v'): | |
| 337 | case HASH('l', 'f'): | |
| 338 | case HASH('r', 'f'): | |
| 339 | case HASH('l', 'c'): | |
| 340 | case HASH('r', 'c'): | |
| 341 | height = (param.em*3)/4; | |
| 342 | depth = param.em/4; | |
| 343 | break; | |
| 344 | #if 0 | |
| 345 | case HASH('%', '0'): | |
| 346 | case HASH('-', '+'): | |
| 347 | case HASH('-', 'D'): | |
| 348 | case HASH('-', 'd'): | |
| 349 | case HASH('-', 'd'): | |
| 350 | case HASH('-', 'h'): | |
| 351 | case HASH('.', 'i'): | |
| 352 | case HASH('.', 'j'): | |
| 353 | case HASH('/', 'L'): | |
| 354 | case HASH('/', 'O'): | |
| 355 | case HASH('/', 'l'): | |
| 356 | case HASH('/', 'o'): | |
| 357 | case HASH('=', '~'): | |
| 358 | case HASH('A', 'E'): | |
| 359 | case HASH('A', 'h'): | |
| 360 | case HASH('A', 'N'): | |
| 361 | case HASH('C', 's'): | |
| 362 | case HASH('D', 'o'): | |
| 363 | case HASH('F', 'c'): | |
| 364 | case HASH('F', 'o'): | |
| 365 | case HASH('I', 'J'): | |
| 366 | case HASH('I', 'm'): | |
| 367 | case HASH('O', 'E'): | |
| 368 | case HASH('O', 'f'): | |
| 369 | case HASH('O', 'K'): | |
| 370 | case HASH('O', 'm'): | |
| 371 | case HASH('O', 'R'): | |
| 372 | case HASH('P', 'o'): | |
| 373 | case HASH('R', 'e'): | |
| 374 | case HASH('S', '1'): | |
| 375 | case HASH('S', '2'): | |
| 376 | case HASH('S', '3'): | |
| 377 | case HASH('T', 'P'): | |
| 378 | case HASH('T', 'p'): | |
| 379 | case HASH('Y', 'e'): | |
| 380 | case HASH('\\', '-'): | |
| 381 | case HASH('a', '"'): | |
| 382 | case HASH('a', '-'): | |
| 383 | case HASH('a', '.'): | |
| 384 | case HASH('a', '^'): | |
| 385 | case HASH('a', 'b'): | |
| 386 | case HASH('a', 'c'): | |
| 387 | case HASH('a', 'd'): | |
| 388 | case HASH('a', 'e'): | |
| 389 | case HASH('a', 'h'): | |
| 390 | case HASH('a', 'o'): | |
| 391 | case HASH('a', 't'): | |
| 392 | case HASH('a', '~'): | |
| 393 | case HASH('b', 'a'): | |
| 394 | case HASH('b', 'b'): | |
| 395 | case HASH('b', 's'): | |
| 396 | case HASH('c', '*'): | |
| 397 | case HASH('c', '+'): | |
| 398 | case HASH('f', '/'): | |
| 399 | case HASH('f', 'a'): | |
| 400 | case HASH('f', 'c'): | |
| 401 | case HASH('f', 'o'): | |
| 402 | case HASH('h', 'a'): | |
| 403 | case HASH('h', 'o'): | |
| 404 | case HASH('i', 'j'): | |
| 405 | case HASH('l', 'A'): | |
| 406 | case HASH('l', 'B'): | |
| 407 | case HASH('l', 'C'): | |
| 408 | case HASH('m', 'd'): | |
| 409 | case HASH('n', 'c'): | |
| 410 | case HASH('n', 'e'): | |
| 411 | case HASH('n', 'm'): | |
| 412 | case HASH('o', 'A'): | |
| 413 | case HASH('o', 'a'): | |
| 414 | case HASH('o', 'e'): | |
| 415 | case HASH('o', 'q'): | |
| 416 | case HASH('p', 'l'): | |
| 417 | case HASH('p', 'p'): | |
| 418 | case HASH('p', 's'): | |
| 419 | case HASH('r', '!'): | |
| 420 | case HASH('r', '?'): | |
| 421 | case HASH('r', 'A'): | |
| 422 | case HASH('r', 'B'): | |
| 423 | case HASH('r', 'C'): | |
| 424 | case HASH('r', 's'): | |
| 425 | case HASH('s', 'h'): | |
| 426 | case HASH('s', 's'): | |
| 427 | case HASH('t', 'e'): | |
| 428 | case HASH('t', 'f'): | |
| 429 | case HASH('t', 'i'): | |
| 430 | case HASH('t', 'm'): | |
| 431 | case HASH('~', '~'): | |
| 432 | case HASH('v', 'S'): | |
| 433 | case HASH('v', 'Z'): | |
| 434 | case HASH('v', 's'): | |
| 435 | case HASH('v', 'z'): | |
| 436 | case HASH('^', 'A'): | |
| 437 | case HASH('^', 'E'): | |
| 438 | case HASH('^', 'I'): | |
| 439 | case HASH('^', 'O'): | |
| 440 | case HASH('^', 'U'): | |
| 441 | case HASH('^', 'a'): | |
| 442 | case HASH('^', 'e'): | |
| 443 | case HASH('^', 'i'): | |
| 444 | case HASH('^', 'o'): | |
| 445 | case HASH('^', 'u'): | |
| 446 | case HASH('`', 'A'): | |
| 447 | case HASH('`', 'E'): | |
| 448 | case HASH('`', 'I'): | |
| 449 | case HASH('`', 'O'): | |
| 450 | case HASH('`', 'U'): | |
| 451 | case HASH('`', 'a'): | |
| 452 | case HASH('`', 'e'): | |
| 453 | case HASH('`', 'i'): | |
| 454 | case HASH('`', 'o'): | |
| 455 | case HASH('`', 'u'): | |
| 456 | case HASH('~', 'A'): | |
| 457 | case HASH('~', 'N'): | |
| 458 | case HASH('~', 'O'): | |
| 459 | case HASH('~', 'a'): | |
| 460 | case HASH('~', 'n'): | |
| 461 | case HASH('~', 'o'): | |
| 462 | case HASH('\'', 'A'): | |
| 463 | case HASH('\'', 'C'): | |
| 464 | case HASH('\'', 'E'): | |
| 465 | case HASH('\'', 'I'): | |
| 466 | case HASH('\'', 'O'): | |
| 467 | case HASH('\'', 'U'): | |
| 468 | case HASH('\'', 'a'): | |
| 469 | case HASH('\'', 'c'): | |
| 470 | case HASH('\'', 'e'): | |
| 471 | case HASH('\'', 'i'): | |
| 472 | case HASH('\'', 'o'): | |
| 473 | case HASH('\'', 'u') | |
| 474 | case HASH(':', 'A'): | |
| 475 | case HASH(':', 'E'): | |
| 476 | case HASH(':', 'I'): | |
| 477 | case HASH(':', 'O'): | |
| 478 | case HASH(':', 'U'): | |
| 479 | case HASH(':', 'Y'): | |
| 480 | case HASH(':', 'a'): | |
| 481 | case HASH(':', 'e'): | |
| 482 | case HASH(':', 'i'): | |
| 483 | case HASH(':', 'o'): | |
| 484 | case HASH(':', 'u'): | |
| 485 | case HASH(':', 'y'): | |
| 486 | case HASH(',', 'C'): | |
| 487 | case HASH(',', 'c'): | |
| 488 | #endif | |
| 489 | } | |
| 490 | } |