| 1 | /* $Id: mdoc_term.c,v 1.258 2013/12/25 21:24:12 schwarze Exp $ */ |
| 2 | /* |
| 3 | * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
| 4 | * Copyright (c) 2010, 2012, 2013 Ingo Schwarze <schwarze@openbsd.org> |
| 5 | * Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de> |
| 6 | * |
| 7 | * Permission to use, copy, modify, and distribute this software for any |
| 8 | * purpose with or without fee is hereby granted, provided that the above |
| 9 | * copyright notice and this permission notice appear in all copies. |
| 10 | * |
| 11 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 12 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 13 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 14 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 15 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 16 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 17 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 18 | */ |
| 19 | #ifdef HAVE_CONFIG_H |
| 20 | #include "config.h" |
| 21 | #endif |
| 22 | |
| 23 | #include <sys/types.h> |
| 24 | |
| 25 | #include <assert.h> |
| 26 | #include <ctype.h> |
| 27 | #include <stdint.h> |
| 28 | #include <stdio.h> |
| 29 | #include <stdlib.h> |
| 30 | #include <string.h> |
| 31 | |
| 32 | #include "mandoc.h" |
| 33 | #include "out.h" |
| 34 | #include "term.h" |
| 35 | #include "mdoc.h" |
| 36 | #include "main.h" |
| 37 | |
| 38 | struct termpair { |
| 39 | struct termpair *ppair; |
| 40 | int count; |
| 41 | }; |
| 42 | |
| 43 | #define DECL_ARGS struct termp *p, \ |
| 44 | struct termpair *pair, \ |
| 45 | const struct mdoc_meta *meta, \ |
| 46 | struct mdoc_node *n |
| 47 | |
| 48 | struct termact { |
| 49 | int (*pre)(DECL_ARGS); |
| 50 | void (*post)(DECL_ARGS); |
| 51 | }; |
| 52 | |
| 53 | static size_t a2width(const struct termp *, const char *); |
| 54 | static size_t a2height(const struct termp *, const char *); |
| 55 | static size_t a2offs(const struct termp *, const char *); |
| 56 | |
| 57 | static void print_bvspace(struct termp *, |
| 58 | const struct mdoc_node *, |
| 59 | const struct mdoc_node *); |
| 60 | static void print_mdoc_node(DECL_ARGS); |
| 61 | static void print_mdoc_nodelist(DECL_ARGS); |
| 62 | static void print_mdoc_head(struct termp *, const void *); |
| 63 | static void print_mdoc_foot(struct termp *, const void *); |
| 64 | static void synopsis_pre(struct termp *, |
| 65 | const struct mdoc_node *); |
| 66 | |
| 67 | static void termp____post(DECL_ARGS); |
| 68 | static void termp__t_post(DECL_ARGS); |
| 69 | static void termp_an_post(DECL_ARGS); |
| 70 | static void termp_bd_post(DECL_ARGS); |
| 71 | static void termp_bk_post(DECL_ARGS); |
| 72 | static void termp_bl_post(DECL_ARGS); |
| 73 | static void termp_fd_post(DECL_ARGS); |
| 74 | static void termp_fo_post(DECL_ARGS); |
| 75 | static void termp_in_post(DECL_ARGS); |
| 76 | static void termp_it_post(DECL_ARGS); |
| 77 | static void termp_lb_post(DECL_ARGS); |
| 78 | static void termp_nm_post(DECL_ARGS); |
| 79 | static void termp_pf_post(DECL_ARGS); |
| 80 | static void termp_quote_post(DECL_ARGS); |
| 81 | static void termp_sh_post(DECL_ARGS); |
| 82 | static void termp_ss_post(DECL_ARGS); |
| 83 | |
| 84 | static int termp__a_pre(DECL_ARGS); |
| 85 | static int termp__t_pre(DECL_ARGS); |
| 86 | static int termp_an_pre(DECL_ARGS); |
| 87 | static int termp_ap_pre(DECL_ARGS); |
| 88 | static int termp_bd_pre(DECL_ARGS); |
| 89 | static int termp_bf_pre(DECL_ARGS); |
| 90 | static int termp_bk_pre(DECL_ARGS); |
| 91 | static int termp_bl_pre(DECL_ARGS); |
| 92 | static int termp_bold_pre(DECL_ARGS); |
| 93 | static int termp_bt_pre(DECL_ARGS); |
| 94 | static int termp_bx_pre(DECL_ARGS); |
| 95 | static int termp_cd_pre(DECL_ARGS); |
| 96 | static int termp_d1_pre(DECL_ARGS); |
| 97 | static int termp_ex_pre(DECL_ARGS); |
| 98 | static int termp_fa_pre(DECL_ARGS); |
| 99 | static int termp_fd_pre(DECL_ARGS); |
| 100 | static int termp_fl_pre(DECL_ARGS); |
| 101 | static int termp_fn_pre(DECL_ARGS); |
| 102 | static int termp_fo_pre(DECL_ARGS); |
| 103 | static int termp_ft_pre(DECL_ARGS); |
| 104 | static int termp_in_pre(DECL_ARGS); |
| 105 | static int termp_it_pre(DECL_ARGS); |
| 106 | static int termp_li_pre(DECL_ARGS); |
| 107 | static int termp_lk_pre(DECL_ARGS); |
| 108 | static int termp_nd_pre(DECL_ARGS); |
| 109 | static int termp_nm_pre(DECL_ARGS); |
| 110 | static int termp_ns_pre(DECL_ARGS); |
| 111 | static int termp_quote_pre(DECL_ARGS); |
| 112 | static int termp_rs_pre(DECL_ARGS); |
| 113 | static int termp_rv_pre(DECL_ARGS); |
| 114 | static int termp_sh_pre(DECL_ARGS); |
| 115 | static int termp_sm_pre(DECL_ARGS); |
| 116 | static int termp_sp_pre(DECL_ARGS); |
| 117 | static int termp_ss_pre(DECL_ARGS); |
| 118 | static int termp_under_pre(DECL_ARGS); |
| 119 | static int termp_ud_pre(DECL_ARGS); |
| 120 | static int termp_vt_pre(DECL_ARGS); |
| 121 | static int termp_xr_pre(DECL_ARGS); |
| 122 | static int termp_xx_pre(DECL_ARGS); |
| 123 | |
| 124 | static const struct termact termacts[MDOC_MAX] = { |
| 125 | { termp_ap_pre, NULL }, /* Ap */ |
| 126 | { NULL, NULL }, /* Dd */ |
| 127 | { NULL, NULL }, /* Dt */ |
| 128 | { NULL, NULL }, /* Os */ |
| 129 | { termp_sh_pre, termp_sh_post }, /* Sh */ |
| 130 | { termp_ss_pre, termp_ss_post }, /* Ss */ |
| 131 | { termp_sp_pre, NULL }, /* Pp */ |
| 132 | { termp_d1_pre, termp_bl_post }, /* D1 */ |
| 133 | { termp_d1_pre, termp_bl_post }, /* Dl */ |
| 134 | { termp_bd_pre, termp_bd_post }, /* Bd */ |
| 135 | { NULL, NULL }, /* Ed */ |
| 136 | { termp_bl_pre, termp_bl_post }, /* Bl */ |
| 137 | { NULL, NULL }, /* El */ |
| 138 | { termp_it_pre, termp_it_post }, /* It */ |
| 139 | { termp_under_pre, NULL }, /* Ad */ |
| 140 | { termp_an_pre, termp_an_post }, /* An */ |
| 141 | { termp_under_pre, NULL }, /* Ar */ |
| 142 | { termp_cd_pre, NULL }, /* Cd */ |
| 143 | { termp_bold_pre, NULL }, /* Cm */ |
| 144 | { NULL, NULL }, /* Dv */ |
| 145 | { NULL, NULL }, /* Er */ |
| 146 | { NULL, NULL }, /* Ev */ |
| 147 | { termp_ex_pre, NULL }, /* Ex */ |
| 148 | { termp_fa_pre, NULL }, /* Fa */ |
| 149 | { termp_fd_pre, termp_fd_post }, /* Fd */ |
| 150 | { termp_fl_pre, NULL }, /* Fl */ |
| 151 | { termp_fn_pre, NULL }, /* Fn */ |
| 152 | { termp_ft_pre, NULL }, /* Ft */ |
| 153 | { termp_bold_pre, NULL }, /* Ic */ |
| 154 | { termp_in_pre, termp_in_post }, /* In */ |
| 155 | { termp_li_pre, NULL }, /* Li */ |
| 156 | { termp_nd_pre, NULL }, /* Nd */ |
| 157 | { termp_nm_pre, termp_nm_post }, /* Nm */ |
| 158 | { termp_quote_pre, termp_quote_post }, /* Op */ |
| 159 | { NULL, NULL }, /* Ot */ |
| 160 | { termp_under_pre, NULL }, /* Pa */ |
| 161 | { termp_rv_pre, NULL }, /* Rv */ |
| 162 | { NULL, NULL }, /* St */ |
| 163 | { termp_under_pre, NULL }, /* Va */ |
| 164 | { termp_vt_pre, NULL }, /* Vt */ |
| 165 | { termp_xr_pre, NULL }, /* Xr */ |
| 166 | { termp__a_pre, termp____post }, /* %A */ |
| 167 | { termp_under_pre, termp____post }, /* %B */ |
| 168 | { NULL, termp____post }, /* %D */ |
| 169 | { termp_under_pre, termp____post }, /* %I */ |
| 170 | { termp_under_pre, termp____post }, /* %J */ |
| 171 | { NULL, termp____post }, /* %N */ |
| 172 | { NULL, termp____post }, /* %O */ |
| 173 | { NULL, termp____post }, /* %P */ |
| 174 | { NULL, termp____post }, /* %R */ |
| 175 | { termp__t_pre, termp__t_post }, /* %T */ |
| 176 | { NULL, termp____post }, /* %V */ |
| 177 | { NULL, NULL }, /* Ac */ |
| 178 | { termp_quote_pre, termp_quote_post }, /* Ao */ |
| 179 | { termp_quote_pre, termp_quote_post }, /* Aq */ |
| 180 | { NULL, NULL }, /* At */ |
| 181 | { NULL, NULL }, /* Bc */ |
| 182 | { termp_bf_pre, NULL }, /* Bf */ |
| 183 | { termp_quote_pre, termp_quote_post }, /* Bo */ |
| 184 | { termp_quote_pre, termp_quote_post }, /* Bq */ |
| 185 | { termp_xx_pre, NULL }, /* Bsx */ |
| 186 | { termp_bx_pre, NULL }, /* Bx */ |
| 187 | { NULL, NULL }, /* Db */ |
| 188 | { NULL, NULL }, /* Dc */ |
| 189 | { termp_quote_pre, termp_quote_post }, /* Do */ |
| 190 | { termp_quote_pre, termp_quote_post }, /* Dq */ |
| 191 | { NULL, NULL }, /* Ec */ /* FIXME: no space */ |
| 192 | { NULL, NULL }, /* Ef */ |
| 193 | { termp_under_pre, NULL }, /* Em */ |
| 194 | { termp_quote_pre, termp_quote_post }, /* Eo */ |
| 195 | { termp_xx_pre, NULL }, /* Fx */ |
| 196 | { termp_bold_pre, NULL }, /* Ms */ |
| 197 | { NULL, NULL }, /* No */ |
| 198 | { termp_ns_pre, NULL }, /* Ns */ |
| 199 | { termp_xx_pre, NULL }, /* Nx */ |
| 200 | { termp_xx_pre, NULL }, /* Ox */ |
| 201 | { NULL, NULL }, /* Pc */ |
| 202 | { NULL, termp_pf_post }, /* Pf */ |
| 203 | { termp_quote_pre, termp_quote_post }, /* Po */ |
| 204 | { termp_quote_pre, termp_quote_post }, /* Pq */ |
| 205 | { NULL, NULL }, /* Qc */ |
| 206 | { termp_quote_pre, termp_quote_post }, /* Ql */ |
| 207 | { termp_quote_pre, termp_quote_post }, /* Qo */ |
| 208 | { termp_quote_pre, termp_quote_post }, /* Qq */ |
| 209 | { NULL, NULL }, /* Re */ |
| 210 | { termp_rs_pre, NULL }, /* Rs */ |
| 211 | { NULL, NULL }, /* Sc */ |
| 212 | { termp_quote_pre, termp_quote_post }, /* So */ |
| 213 | { termp_quote_pre, termp_quote_post }, /* Sq */ |
| 214 | { termp_sm_pre, NULL }, /* Sm */ |
| 215 | { termp_under_pre, NULL }, /* Sx */ |
| 216 | { termp_bold_pre, NULL }, /* Sy */ |
| 217 | { NULL, NULL }, /* Tn */ |
| 218 | { termp_xx_pre, NULL }, /* Ux */ |
| 219 | { NULL, NULL }, /* Xc */ |
| 220 | { NULL, NULL }, /* Xo */ |
| 221 | { termp_fo_pre, termp_fo_post }, /* Fo */ |
| 222 | { NULL, NULL }, /* Fc */ |
| 223 | { termp_quote_pre, termp_quote_post }, /* Oo */ |
| 224 | { NULL, NULL }, /* Oc */ |
| 225 | { termp_bk_pre, termp_bk_post }, /* Bk */ |
| 226 | { NULL, NULL }, /* Ek */ |
| 227 | { termp_bt_pre, NULL }, /* Bt */ |
| 228 | { NULL, NULL }, /* Hf */ |
| 229 | { NULL, NULL }, /* Fr */ |
| 230 | { termp_ud_pre, NULL }, /* Ud */ |
| 231 | { NULL, termp_lb_post }, /* Lb */ |
| 232 | { termp_sp_pre, NULL }, /* Lp */ |
| 233 | { termp_lk_pre, NULL }, /* Lk */ |
| 234 | { termp_under_pre, NULL }, /* Mt */ |
| 235 | { termp_quote_pre, termp_quote_post }, /* Brq */ |
| 236 | { termp_quote_pre, termp_quote_post }, /* Bro */ |
| 237 | { NULL, NULL }, /* Brc */ |
| 238 | { NULL, termp____post }, /* %C */ |
| 239 | { NULL, NULL }, /* Es */ /* TODO */ |
| 240 | { NULL, NULL }, /* En */ /* TODO */ |
| 241 | { termp_xx_pre, NULL }, /* Dx */ |
| 242 | { NULL, termp____post }, /* %Q */ |
| 243 | { termp_sp_pre, NULL }, /* br */ |
| 244 | { termp_sp_pre, NULL }, /* sp */ |
| 245 | { NULL, termp____post }, /* %U */ |
| 246 | { NULL, NULL }, /* Ta */ |
| 247 | }; |
| 248 | |
| 249 | |
| 250 | void |
| 251 | terminal_mdoc(void *arg, const struct mdoc *mdoc) |
| 252 | { |
| 253 | const struct mdoc_node *n; |
| 254 | const struct mdoc_meta *meta; |
| 255 | struct termp *p; |
| 256 | |
| 257 | p = (struct termp *)arg; |
| 258 | |
| 259 | if (0 == p->defindent) |
| 260 | p->defindent = 5; |
| 261 | |
| 262 | p->overstep = 0; |
| 263 | p->maxrmargin = p->defrmargin; |
| 264 | p->tabwidth = term_len(p, 5); |
| 265 | |
| 266 | if (NULL == p->symtab) |
| 267 | p->symtab = mchars_alloc(); |
| 268 | |
| 269 | n = mdoc_node(mdoc); |
| 270 | meta = mdoc_meta(mdoc); |
| 271 | |
| 272 | term_begin(p, print_mdoc_head, print_mdoc_foot, meta); |
| 273 | |
| 274 | if (n->child) |
| 275 | print_mdoc_nodelist(p, NULL, meta, n->child); |
| 276 | |
| 277 | term_end(p); |
| 278 | } |
| 279 | |
| 280 | |
| 281 | static void |
| 282 | print_mdoc_nodelist(DECL_ARGS) |
| 283 | { |
| 284 | |
| 285 | print_mdoc_node(p, pair, meta, n); |
| 286 | if (n->next) |
| 287 | print_mdoc_nodelist(p, pair, meta, n->next); |
| 288 | } |
| 289 | |
| 290 | |
| 291 | /* ARGSUSED */ |
| 292 | static void |
| 293 | print_mdoc_node(DECL_ARGS) |
| 294 | { |
| 295 | int chld; |
| 296 | struct termpair npair; |
| 297 | size_t offset, rmargin; |
| 298 | |
| 299 | chld = 1; |
| 300 | offset = p->offset; |
| 301 | rmargin = p->rmargin; |
| 302 | n->prev_font = term_fontq(p); |
| 303 | |
| 304 | memset(&npair, 0, sizeof(struct termpair)); |
| 305 | npair.ppair = pair; |
| 306 | |
| 307 | /* |
| 308 | * Keeps only work until the end of a line. If a keep was |
| 309 | * invoked in a prior line, revert it to PREKEEP. |
| 310 | */ |
| 311 | |
| 312 | if (TERMP_KEEP & p->flags) { |
| 313 | if (n->prev ? (n->prev->lastline != n->line) : |
| 314 | (n->parent && n->parent->line != n->line)) { |
| 315 | p->flags &= ~TERMP_KEEP; |
| 316 | p->flags |= TERMP_PREKEEP; |
| 317 | } |
| 318 | } |
| 319 | |
| 320 | /* |
| 321 | * After the keep flags have been set up, we may now |
| 322 | * produce output. Note that some pre-handlers do so. |
| 323 | */ |
| 324 | |
| 325 | switch (n->type) { |
| 326 | case (MDOC_TEXT): |
| 327 | if (' ' == *n->string && MDOC_LINE & n->flags) |
| 328 | term_newln(p); |
| 329 | if (MDOC_DELIMC & n->flags) |
| 330 | p->flags |= TERMP_NOSPACE; |
| 331 | term_word(p, n->string); |
| 332 | if (MDOC_DELIMO & n->flags) |
| 333 | p->flags |= TERMP_NOSPACE; |
| 334 | break; |
| 335 | case (MDOC_EQN): |
| 336 | term_eqn(p, n->eqn); |
| 337 | break; |
| 338 | case (MDOC_TBL): |
| 339 | term_tbl(p, n->span); |
| 340 | break; |
| 341 | default: |
| 342 | if (termacts[n->tok].pre && ENDBODY_NOT == n->end) |
| 343 | chld = (*termacts[n->tok].pre) |
| 344 | (p, &npair, meta, n); |
| 345 | break; |
| 346 | } |
| 347 | |
| 348 | if (chld && n->child) |
| 349 | print_mdoc_nodelist(p, &npair, meta, n->child); |
| 350 | |
| 351 | term_fontpopq(p, |
| 352 | (ENDBODY_NOT == n->end ? n : n->pending)->prev_font); |
| 353 | |
| 354 | switch (n->type) { |
| 355 | case (MDOC_TEXT): |
| 356 | break; |
| 357 | case (MDOC_TBL): |
| 358 | break; |
| 359 | case (MDOC_EQN): |
| 360 | break; |
| 361 | default: |
| 362 | if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags) |
| 363 | break; |
| 364 | (void)(*termacts[n->tok].post)(p, &npair, meta, n); |
| 365 | |
| 366 | /* |
| 367 | * Explicit end tokens not only call the post |
| 368 | * handler, but also tell the respective block |
| 369 | * that it must not call the post handler again. |
| 370 | */ |
| 371 | if (ENDBODY_NOT != n->end) |
| 372 | n->pending->flags |= MDOC_ENDED; |
| 373 | |
| 374 | /* |
| 375 | * End of line terminating an implicit block |
| 376 | * while an explicit block is still open. |
| 377 | * Continue the explicit block without spacing. |
| 378 | */ |
| 379 | if (ENDBODY_NOSPACE == n->end) |
| 380 | p->flags |= TERMP_NOSPACE; |
| 381 | break; |
| 382 | } |
| 383 | |
| 384 | if (MDOC_EOS & n->flags) |
| 385 | p->flags |= TERMP_SENTENCE; |
| 386 | |
| 387 | p->offset = offset; |
| 388 | p->rmargin = rmargin; |
| 389 | } |
| 390 | |
| 391 | |
| 392 | static void |
| 393 | print_mdoc_foot(struct termp *p, const void *arg) |
| 394 | { |
| 395 | const struct mdoc_meta *meta; |
| 396 | |
| 397 | meta = (const struct mdoc_meta *)arg; |
| 398 | |
| 399 | term_fontrepl(p, TERMFONT_NONE); |
| 400 | |
| 401 | /* |
| 402 | * Output the footer in new-groff style, that is, three columns |
| 403 | * with the middle being the manual date and flanking columns |
| 404 | * being the operating system: |
| 405 | * |
| 406 | * SYSTEM DATE SYSTEM |
| 407 | */ |
| 408 | |
| 409 | term_vspace(p); |
| 410 | |
| 411 | p->offset = 0; |
| 412 | p->rmargin = (p->maxrmargin - |
| 413 | term_strlen(p, meta->date) + term_len(p, 1)) / 2; |
| 414 | p->trailspace = 1; |
| 415 | p->flags |= TERMP_NOSPACE | TERMP_NOBREAK; |
| 416 | |
| 417 | term_word(p, meta->os); |
| 418 | term_flushln(p); |
| 419 | |
| 420 | p->offset = p->rmargin; |
| 421 | p->rmargin = p->maxrmargin - term_strlen(p, meta->os); |
| 422 | p->flags |= TERMP_NOSPACE; |
| 423 | |
| 424 | term_word(p, meta->date); |
| 425 | term_flushln(p); |
| 426 | |
| 427 | p->offset = p->rmargin; |
| 428 | p->rmargin = p->maxrmargin; |
| 429 | p->trailspace = 0; |
| 430 | p->flags &= ~TERMP_NOBREAK; |
| 431 | p->flags |= TERMP_NOSPACE; |
| 432 | |
| 433 | term_word(p, meta->os); |
| 434 | term_flushln(p); |
| 435 | |
| 436 | p->offset = 0; |
| 437 | p->rmargin = p->maxrmargin; |
| 438 | p->flags = 0; |
| 439 | } |
| 440 | |
| 441 | |
| 442 | static void |
| 443 | print_mdoc_head(struct termp *p, const void *arg) |
| 444 | { |
| 445 | char buf[BUFSIZ], title[BUFSIZ]; |
| 446 | size_t buflen, titlen; |
| 447 | const struct mdoc_meta *meta; |
| 448 | |
| 449 | meta = (const struct mdoc_meta *)arg; |
| 450 | |
| 451 | /* |
| 452 | * The header is strange. It has three components, which are |
| 453 | * really two with the first duplicated. It goes like this: |
| 454 | * |
| 455 | * IDENTIFIER TITLE IDENTIFIER |
| 456 | * |
| 457 | * The IDENTIFIER is NAME(SECTION), which is the command-name |
| 458 | * (if given, or "unknown" if not) followed by the manual page |
| 459 | * section. These are given in `Dt'. The TITLE is a free-form |
| 460 | * string depending on the manual volume. If not specified, it |
| 461 | * switches on the manual section. |
| 462 | */ |
| 463 | |
| 464 | p->offset = 0; |
| 465 | p->rmargin = p->maxrmargin; |
| 466 | |
| 467 | assert(meta->vol); |
| 468 | strlcpy(buf, meta->vol, BUFSIZ); |
| 469 | buflen = term_strlen(p, buf); |
| 470 | |
| 471 | if (meta->arch) { |
| 472 | strlcat(buf, " (", BUFSIZ); |
| 473 | strlcat(buf, meta->arch, BUFSIZ); |
| 474 | strlcat(buf, ")", BUFSIZ); |
| 475 | } |
| 476 | |
| 477 | snprintf(title, BUFSIZ, "%s(%s)", meta->title, meta->msec); |
| 478 | titlen = term_strlen(p, title); |
| 479 | |
| 480 | p->flags |= TERMP_NOBREAK | TERMP_NOSPACE; |
| 481 | p->trailspace = 1; |
| 482 | p->offset = 0; |
| 483 | p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ? |
| 484 | (p->maxrmargin - |
| 485 | term_strlen(p, buf) + term_len(p, 1)) / 2 : |
| 486 | p->maxrmargin - buflen; |
| 487 | |
| 488 | term_word(p, title); |
| 489 | term_flushln(p); |
| 490 | |
| 491 | p->flags |= TERMP_NOSPACE; |
| 492 | p->offset = p->rmargin; |
| 493 | p->rmargin = p->offset + buflen + titlen < p->maxrmargin ? |
| 494 | p->maxrmargin - titlen : p->maxrmargin; |
| 495 | |
| 496 | term_word(p, buf); |
| 497 | term_flushln(p); |
| 498 | |
| 499 | p->flags &= ~TERMP_NOBREAK; |
| 500 | p->trailspace = 0; |
| 501 | if (p->rmargin + titlen <= p->maxrmargin) { |
| 502 | p->flags |= TERMP_NOSPACE; |
| 503 | p->offset = p->rmargin; |
| 504 | p->rmargin = p->maxrmargin; |
| 505 | term_word(p, title); |
| 506 | term_flushln(p); |
| 507 | } |
| 508 | |
| 509 | p->flags &= ~TERMP_NOSPACE; |
| 510 | p->offset = 0; |
| 511 | p->rmargin = p->maxrmargin; |
| 512 | } |
| 513 | |
| 514 | |
| 515 | static size_t |
| 516 | a2height(const struct termp *p, const char *v) |
| 517 | { |
| 518 | struct roffsu su; |
| 519 | |
| 520 | |
| 521 | assert(v); |
| 522 | if ( ! a2roffsu(v, &su, SCALE_VS)) |
| 523 | SCALE_VS_INIT(&su, atoi(v)); |
| 524 | |
| 525 | return(term_vspan(p, &su)); |
| 526 | } |
| 527 | |
| 528 | |
| 529 | static size_t |
| 530 | a2width(const struct termp *p, const char *v) |
| 531 | { |
| 532 | struct roffsu su; |
| 533 | |
| 534 | assert(v); |
| 535 | if ( ! a2roffsu(v, &su, SCALE_MAX)) |
| 536 | SCALE_HS_INIT(&su, term_strlen(p, v)); |
| 537 | |
| 538 | return(term_hspan(p, &su)); |
| 539 | } |
| 540 | |
| 541 | |
| 542 | static size_t |
| 543 | a2offs(const struct termp *p, const char *v) |
| 544 | { |
| 545 | struct roffsu su; |
| 546 | |
| 547 | if ('\0' == *v) |
| 548 | return(0); |
| 549 | else if (0 == strcmp(v, "left")) |
| 550 | return(0); |
| 551 | else if (0 == strcmp(v, "indent")) |
| 552 | return(term_len(p, p->defindent + 1)); |
| 553 | else if (0 == strcmp(v, "indent-two")) |
| 554 | return(term_len(p, (p->defindent + 1) * 2)); |
| 555 | else if ( ! a2roffsu(v, &su, SCALE_MAX)) |
| 556 | SCALE_HS_INIT(&su, term_strlen(p, v)); |
| 557 | |
| 558 | return(term_hspan(p, &su)); |
| 559 | } |
| 560 | |
| 561 | |
| 562 | /* |
| 563 | * Determine how much space to print out before block elements of `It' |
| 564 | * (and thus `Bl') and `Bd'. And then go ahead and print that space, |
| 565 | * too. |
| 566 | */ |
| 567 | static void |
| 568 | print_bvspace(struct termp *p, |
| 569 | const struct mdoc_node *bl, |
| 570 | const struct mdoc_node *n) |
| 571 | { |
| 572 | const struct mdoc_node *nn; |
| 573 | |
| 574 | assert(n); |
| 575 | |
| 576 | term_newln(p); |
| 577 | |
| 578 | if (MDOC_Bd == bl->tok && bl->norm->Bd.comp) |
| 579 | return; |
| 580 | if (MDOC_Bl == bl->tok && bl->norm->Bl.comp) |
| 581 | return; |
| 582 | |
| 583 | /* Do not vspace directly after Ss/Sh. */ |
| 584 | |
| 585 | for (nn = n; nn; nn = nn->parent) { |
| 586 | if (MDOC_BLOCK != nn->type) |
| 587 | continue; |
| 588 | if (MDOC_Ss == nn->tok) |
| 589 | return; |
| 590 | if (MDOC_Sh == nn->tok) |
| 591 | return; |
| 592 | if (NULL == nn->prev) |
| 593 | continue; |
| 594 | break; |
| 595 | } |
| 596 | |
| 597 | /* A `-column' does not assert vspace within the list. */ |
| 598 | |
| 599 | if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type) |
| 600 | if (n->prev && MDOC_It == n->prev->tok) |
| 601 | return; |
| 602 | |
| 603 | /* A `-diag' without body does not vspace. */ |
| 604 | |
| 605 | if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type) |
| 606 | if (n->prev && MDOC_It == n->prev->tok) { |
| 607 | assert(n->prev->body); |
| 608 | if (NULL == n->prev->body->child) |
| 609 | return; |
| 610 | } |
| 611 | |
| 612 | term_vspace(p); |
| 613 | } |
| 614 | |
| 615 | |
| 616 | /* ARGSUSED */ |
| 617 | static int |
| 618 | termp_it_pre(DECL_ARGS) |
| 619 | { |
| 620 | const struct mdoc_node *bl, *nn; |
| 621 | char buf[7]; |
| 622 | int i; |
| 623 | size_t width, offset, ncols, dcol; |
| 624 | enum mdoc_list type; |
| 625 | |
| 626 | if (MDOC_BLOCK == n->type) { |
| 627 | print_bvspace(p, n->parent->parent, n); |
| 628 | return(1); |
| 629 | } |
| 630 | |
| 631 | bl = n->parent->parent->parent; |
| 632 | type = bl->norm->Bl.type; |
| 633 | |
| 634 | /* |
| 635 | * First calculate width and offset. This is pretty easy unless |
| 636 | * we're a -column list, in which case all prior columns must |
| 637 | * be accounted for. |
| 638 | */ |
| 639 | |
| 640 | width = offset = 0; |
| 641 | |
| 642 | if (bl->norm->Bl.offs) |
| 643 | offset = a2offs(p, bl->norm->Bl.offs); |
| 644 | |
| 645 | switch (type) { |
| 646 | case (LIST_column): |
| 647 | if (MDOC_HEAD == n->type) |
| 648 | break; |
| 649 | |
| 650 | /* |
| 651 | * Imitate groff's column handling: |
| 652 | * - For each earlier column, add its width. |
| 653 | * - For less than 5 columns, add four more blanks per |
| 654 | * column. |
| 655 | * - For exactly 5 columns, add three more blank per |
| 656 | * column. |
| 657 | * - For more than 5 columns, add only one column. |
| 658 | */ |
| 659 | ncols = bl->norm->Bl.ncols; |
| 660 | |
| 661 | /* LINTED */ |
| 662 | dcol = ncols < 5 ? term_len(p, 4) : |
| 663 | ncols == 5 ? term_len(p, 3) : term_len(p, 1); |
| 664 | |
| 665 | /* |
| 666 | * Calculate the offset by applying all prior MDOC_BODY, |
| 667 | * so we stop at the MDOC_HEAD (NULL == nn->prev). |
| 668 | */ |
| 669 | |
| 670 | for (i = 0, nn = n->prev; |
| 671 | nn->prev && i < (int)ncols; |
| 672 | nn = nn->prev, i++) |
| 673 | offset += dcol + a2width |
| 674 | (p, bl->norm->Bl.cols[i]); |
| 675 | |
| 676 | /* |
| 677 | * When exceeding the declared number of columns, leave |
| 678 | * the remaining widths at 0. This will later be |
| 679 | * adjusted to the default width of 10, or, for the last |
| 680 | * column, stretched to the right margin. |
| 681 | */ |
| 682 | if (i >= (int)ncols) |
| 683 | break; |
| 684 | |
| 685 | /* |
| 686 | * Use the declared column widths, extended as explained |
| 687 | * in the preceding paragraph. |
| 688 | */ |
| 689 | width = a2width(p, bl->norm->Bl.cols[i]) + dcol; |
| 690 | break; |
| 691 | default: |
| 692 | if (NULL == bl->norm->Bl.width) |
| 693 | break; |
| 694 | |
| 695 | /* |
| 696 | * Note: buffer the width by 2, which is groff's magic |
| 697 | * number for buffering single arguments. See the above |
| 698 | * handling for column for how this changes. |
| 699 | */ |
| 700 | assert(bl->norm->Bl.width); |
| 701 | width = a2width(p, bl->norm->Bl.width) + term_len(p, 2); |
| 702 | break; |
| 703 | } |
| 704 | |
| 705 | /* |
| 706 | * List-type can override the width in the case of fixed-head |
| 707 | * values (bullet, dash/hyphen, enum). Tags need a non-zero |
| 708 | * offset. |
| 709 | */ |
| 710 | |
| 711 | switch (type) { |
| 712 | case (LIST_bullet): |
| 713 | /* FALLTHROUGH */ |
| 714 | case (LIST_dash): |
| 715 | /* FALLTHROUGH */ |
| 716 | case (LIST_hyphen): |
| 717 | /* FALLTHROUGH */ |
| 718 | case (LIST_enum): |
| 719 | if (width < term_len(p, 2)) |
| 720 | width = term_len(p, 2); |
| 721 | break; |
| 722 | case (LIST_hang): |
| 723 | if (0 == width) |
| 724 | width = term_len(p, 8); |
| 725 | break; |
| 726 | case (LIST_column): |
| 727 | /* FALLTHROUGH */ |
| 728 | case (LIST_tag): |
| 729 | if (0 == width) |
| 730 | width = term_len(p, 10); |
| 731 | break; |
| 732 | default: |
| 733 | break; |
| 734 | } |
| 735 | |
| 736 | /* |
| 737 | * Whitespace control. Inset bodies need an initial space, |
| 738 | * while diagonal bodies need two. |
| 739 | */ |
| 740 | |
| 741 | p->flags |= TERMP_NOSPACE; |
| 742 | |
| 743 | switch (type) { |
| 744 | case (LIST_diag): |
| 745 | if (MDOC_BODY == n->type) |
| 746 | term_word(p, "\\ \\ "); |
| 747 | break; |
| 748 | case (LIST_inset): |
| 749 | if (MDOC_BODY == n->type) |
| 750 | term_word(p, "\\ "); |
| 751 | break; |
| 752 | default: |
| 753 | break; |
| 754 | } |
| 755 | |
| 756 | p->flags |= TERMP_NOSPACE; |
| 757 | |
| 758 | switch (type) { |
| 759 | case (LIST_diag): |
| 760 | if (MDOC_HEAD == n->type) |
| 761 | term_fontpush(p, TERMFONT_BOLD); |
| 762 | break; |
| 763 | default: |
| 764 | break; |
| 765 | } |
| 766 | |
| 767 | /* |
| 768 | * Pad and break control. This is the tricky part. These flags |
| 769 | * are documented in term_flushln() in term.c. Note that we're |
| 770 | * going to unset all of these flags in termp_it_post() when we |
| 771 | * exit. |
| 772 | */ |
| 773 | |
| 774 | switch (type) { |
| 775 | case (LIST_enum): |
| 776 | /* |
| 777 | * Weird special case. |
| 778 | * Very narrow enum lists actually hang. |
| 779 | */ |
| 780 | if (width == term_len(p, 2)) |
| 781 | p->flags |= TERMP_HANG; |
| 782 | /* FALLTHROUGH */ |
| 783 | case (LIST_bullet): |
| 784 | /* FALLTHROUGH */ |
| 785 | case (LIST_dash): |
| 786 | /* FALLTHROUGH */ |
| 787 | case (LIST_hyphen): |
| 788 | if (MDOC_HEAD != n->type) |
| 789 | break; |
| 790 | p->flags |= TERMP_NOBREAK; |
| 791 | p->trailspace = 1; |
| 792 | break; |
| 793 | case (LIST_hang): |
| 794 | if (MDOC_HEAD != n->type) |
| 795 | break; |
| 796 | |
| 797 | /* |
| 798 | * This is ugly. If `-hang' is specified and the body |
| 799 | * is a `Bl' or `Bd', then we want basically to nullify |
| 800 | * the "overstep" effect in term_flushln() and treat |
| 801 | * this as a `-ohang' list instead. |
| 802 | */ |
| 803 | if (n->next->child && |
| 804 | (MDOC_Bl == n->next->child->tok || |
| 805 | MDOC_Bd == n->next->child->tok)) |
| 806 | break; |
| 807 | |
| 808 | p->flags |= TERMP_NOBREAK | TERMP_HANG; |
| 809 | p->trailspace = 1; |
| 810 | break; |
| 811 | case (LIST_tag): |
| 812 | if (MDOC_HEAD != n->type) |
| 813 | break; |
| 814 | |
| 815 | p->flags |= TERMP_NOBREAK; |
| 816 | p->trailspace = 2; |
| 817 | |
| 818 | if (NULL == n->next || NULL == n->next->child) |
| 819 | p->flags |= TERMP_DANGLE; |
| 820 | break; |
| 821 | case (LIST_column): |
| 822 | if (MDOC_HEAD == n->type) |
| 823 | break; |
| 824 | |
| 825 | if (NULL == n->next) { |
| 826 | p->flags &= ~TERMP_NOBREAK; |
| 827 | p->trailspace = 0; |
| 828 | } else { |
| 829 | p->flags |= TERMP_NOBREAK; |
| 830 | p->trailspace = 1; |
| 831 | } |
| 832 | |
| 833 | break; |
| 834 | case (LIST_diag): |
| 835 | if (MDOC_HEAD != n->type) |
| 836 | break; |
| 837 | p->flags |= TERMP_NOBREAK; |
| 838 | p->trailspace = 1; |
| 839 | break; |
| 840 | default: |
| 841 | break; |
| 842 | } |
| 843 | |
| 844 | /* |
| 845 | * Margin control. Set-head-width lists have their right |
| 846 | * margins shortened. The body for these lists has the offset |
| 847 | * necessarily lengthened. Everybody gets the offset. |
| 848 | */ |
| 849 | |
| 850 | p->offset += offset; |
| 851 | |
| 852 | switch (type) { |
| 853 | case (LIST_hang): |
| 854 | /* |
| 855 | * Same stipulation as above, regarding `-hang'. We |
| 856 | * don't want to recalculate rmargin and offsets when |
| 857 | * using `Bd' or `Bl' within `-hang' overstep lists. |
| 858 | */ |
| 859 | if (MDOC_HEAD == n->type && n->next->child && |
| 860 | (MDOC_Bl == n->next->child->tok || |
| 861 | MDOC_Bd == n->next->child->tok)) |
| 862 | break; |
| 863 | /* FALLTHROUGH */ |
| 864 | case (LIST_bullet): |
| 865 | /* FALLTHROUGH */ |
| 866 | case (LIST_dash): |
| 867 | /* FALLTHROUGH */ |
| 868 | case (LIST_enum): |
| 869 | /* FALLTHROUGH */ |
| 870 | case (LIST_hyphen): |
| 871 | /* FALLTHROUGH */ |
| 872 | case (LIST_tag): |
| 873 | assert(width); |
| 874 | if (MDOC_HEAD == n->type) |
| 875 | p->rmargin = p->offset + width; |
| 876 | else |
| 877 | p->offset += width; |
| 878 | break; |
| 879 | case (LIST_column): |
| 880 | assert(width); |
| 881 | p->rmargin = p->offset + width; |
| 882 | /* |
| 883 | * XXX - this behaviour is not documented: the |
| 884 | * right-most column is filled to the right margin. |
| 885 | */ |
| 886 | if (MDOC_HEAD == n->type) |
| 887 | break; |
| 888 | if (NULL == n->next && p->rmargin < p->maxrmargin) |
| 889 | p->rmargin = p->maxrmargin; |
| 890 | break; |
| 891 | default: |
| 892 | break; |
| 893 | } |
| 894 | |
| 895 | /* |
| 896 | * The dash, hyphen, bullet and enum lists all have a special |
| 897 | * HEAD character (temporarily bold, in some cases). |
| 898 | */ |
| 899 | |
| 900 | if (MDOC_HEAD == n->type) |
| 901 | switch (type) { |
| 902 | case (LIST_bullet): |
| 903 | term_fontpush(p, TERMFONT_BOLD); |
| 904 | term_word(p, "\\[bu]"); |
| 905 | term_fontpop(p); |
| 906 | break; |
| 907 | case (LIST_dash): |
| 908 | /* FALLTHROUGH */ |
| 909 | case (LIST_hyphen): |
| 910 | term_fontpush(p, TERMFONT_BOLD); |
| 911 | term_word(p, "\\(hy"); |
| 912 | term_fontpop(p); |
| 913 | break; |
| 914 | case (LIST_enum): |
| 915 | (pair->ppair->ppair->count)++; |
| 916 | snprintf(buf, sizeof(buf), "%d.", |
| 917 | pair->ppair->ppair->count); |
| 918 | term_word(p, buf); |
| 919 | break; |
| 920 | default: |
| 921 | break; |
| 922 | } |
| 923 | |
| 924 | /* |
| 925 | * If we're not going to process our children, indicate so here. |
| 926 | */ |
| 927 | |
| 928 | switch (type) { |
| 929 | case (LIST_bullet): |
| 930 | /* FALLTHROUGH */ |
| 931 | case (LIST_item): |
| 932 | /* FALLTHROUGH */ |
| 933 | case (LIST_dash): |
| 934 | /* FALLTHROUGH */ |
| 935 | case (LIST_hyphen): |
| 936 | /* FALLTHROUGH */ |
| 937 | case (LIST_enum): |
| 938 | if (MDOC_HEAD == n->type) |
| 939 | return(0); |
| 940 | break; |
| 941 | case (LIST_column): |
| 942 | if (MDOC_HEAD == n->type) |
| 943 | return(0); |
| 944 | break; |
| 945 | default: |
| 946 | break; |
| 947 | } |
| 948 | |
| 949 | return(1); |
| 950 | } |
| 951 | |
| 952 | |
| 953 | /* ARGSUSED */ |
| 954 | static void |
| 955 | termp_it_post(DECL_ARGS) |
| 956 | { |
| 957 | enum mdoc_list type; |
| 958 | |
| 959 | if (MDOC_BLOCK == n->type) |
| 960 | return; |
| 961 | |
| 962 | type = n->parent->parent->parent->norm->Bl.type; |
| 963 | |
| 964 | switch (type) { |
| 965 | case (LIST_item): |
| 966 | /* FALLTHROUGH */ |
| 967 | case (LIST_diag): |
| 968 | /* FALLTHROUGH */ |
| 969 | case (LIST_inset): |
| 970 | if (MDOC_BODY == n->type) |
| 971 | term_newln(p); |
| 972 | break; |
| 973 | case (LIST_column): |
| 974 | if (MDOC_BODY == n->type) |
| 975 | term_flushln(p); |
| 976 | break; |
| 977 | default: |
| 978 | term_newln(p); |
| 979 | break; |
| 980 | } |
| 981 | |
| 982 | /* |
| 983 | * Now that our output is flushed, we can reset our tags. Since |
| 984 | * only `It' sets these flags, we're free to assume that nobody |
| 985 | * has munged them in the meanwhile. |
| 986 | */ |
| 987 | |
| 988 | p->flags &= ~TERMP_DANGLE; |
| 989 | p->flags &= ~TERMP_NOBREAK; |
| 990 | p->flags &= ~TERMP_HANG; |
| 991 | p->trailspace = 0; |
| 992 | } |
| 993 | |
| 994 | |
| 995 | /* ARGSUSED */ |
| 996 | static int |
| 997 | termp_nm_pre(DECL_ARGS) |
| 998 | { |
| 999 | |
| 1000 | if (MDOC_BLOCK == n->type) { |
| 1001 | p->flags |= TERMP_PREKEEP; |
| 1002 | return(1); |
| 1003 | } |
| 1004 | |
| 1005 | if (MDOC_BODY == n->type) { |
| 1006 | if (NULL == n->child) |
| 1007 | return(0); |
| 1008 | p->flags |= TERMP_NOSPACE; |
| 1009 | p->offset += term_len(p, 1) + |
| 1010 | (NULL == n->prev->child ? |
| 1011 | term_strlen(p, meta->name) : |
| 1012 | MDOC_TEXT == n->prev->child->type ? |
| 1013 | term_strlen(p, n->prev->child->string) : |
| 1014 | term_len(p, 5)); |
| 1015 | return(1); |
| 1016 | } |
| 1017 | |
| 1018 | if (NULL == n->child && NULL == meta->name) |
| 1019 | return(0); |
| 1020 | |
| 1021 | if (MDOC_HEAD == n->type) |
| 1022 | synopsis_pre(p, n->parent); |
| 1023 | |
| 1024 | if (MDOC_HEAD == n->type && n->next->child) { |
| 1025 | p->flags |= TERMP_NOSPACE | TERMP_NOBREAK; |
| 1026 | p->trailspace = 1; |
| 1027 | p->rmargin = p->offset + term_len(p, 1); |
| 1028 | if (NULL == n->child) { |
| 1029 | p->rmargin += term_strlen(p, meta->name); |
| 1030 | } else if (MDOC_TEXT == n->child->type) { |
| 1031 | p->rmargin += term_strlen(p, n->child->string); |
| 1032 | if (n->child->next) |
| 1033 | p->flags |= TERMP_HANG; |
| 1034 | } else { |
| 1035 | p->rmargin += term_len(p, 5); |
| 1036 | p->flags |= TERMP_HANG; |
| 1037 | } |
| 1038 | } |
| 1039 | |
| 1040 | term_fontpush(p, TERMFONT_BOLD); |
| 1041 | if (NULL == n->child) |
| 1042 | term_word(p, meta->name); |
| 1043 | return(1); |
| 1044 | } |
| 1045 | |
| 1046 | |
| 1047 | /* ARGSUSED */ |
| 1048 | static void |
| 1049 | termp_nm_post(DECL_ARGS) |
| 1050 | { |
| 1051 | |
| 1052 | if (MDOC_BLOCK == n->type) { |
| 1053 | p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP); |
| 1054 | } else if (MDOC_HEAD == n->type && n->next->child) { |
| 1055 | term_flushln(p); |
| 1056 | p->flags &= ~(TERMP_NOBREAK | TERMP_HANG); |
| 1057 | p->trailspace = 0; |
| 1058 | } else if (MDOC_BODY == n->type && n->child) |
| 1059 | term_flushln(p); |
| 1060 | } |
| 1061 | |
| 1062 | |
| 1063 | /* ARGSUSED */ |
| 1064 | static int |
| 1065 | termp_fl_pre(DECL_ARGS) |
| 1066 | { |
| 1067 | |
| 1068 | term_fontpush(p, TERMFONT_BOLD); |
| 1069 | term_word(p, "\\-"); |
| 1070 | |
| 1071 | if (n->child) |
| 1072 | p->flags |= TERMP_NOSPACE; |
| 1073 | else if (n->next && n->next->line == n->line) |
| 1074 | p->flags |= TERMP_NOSPACE; |
| 1075 | |
| 1076 | return(1); |
| 1077 | } |
| 1078 | |
| 1079 | |
| 1080 | /* ARGSUSED */ |
| 1081 | static int |
| 1082 | termp__a_pre(DECL_ARGS) |
| 1083 | { |
| 1084 | |
| 1085 | if (n->prev && MDOC__A == n->prev->tok) |
| 1086 | if (NULL == n->next || MDOC__A != n->next->tok) |
| 1087 | term_word(p, "and"); |
| 1088 | |
| 1089 | return(1); |
| 1090 | } |
| 1091 | |
| 1092 | |
| 1093 | /* ARGSUSED */ |
| 1094 | static int |
| 1095 | termp_an_pre(DECL_ARGS) |
| 1096 | { |
| 1097 | |
| 1098 | if (NULL == n->child) |
| 1099 | return(1); |
| 1100 | |
| 1101 | /* |
| 1102 | * If not in the AUTHORS section, `An -split' will cause |
| 1103 | * newlines to occur before the author name. If in the AUTHORS |
| 1104 | * section, by default, the first `An' invocation is nosplit, |
| 1105 | * then all subsequent ones, regardless of whether interspersed |
| 1106 | * with other macros/text, are split. -split, in this case, |
| 1107 | * will override the condition of the implied first -nosplit. |
| 1108 | */ |
| 1109 | |
| 1110 | if (n->sec == SEC_AUTHORS) { |
| 1111 | if ( ! (TERMP_ANPREC & p->flags)) { |
| 1112 | if (TERMP_SPLIT & p->flags) |
| 1113 | term_newln(p); |
| 1114 | return(1); |
| 1115 | } |
| 1116 | if (TERMP_NOSPLIT & p->flags) |
| 1117 | return(1); |
| 1118 | term_newln(p); |
| 1119 | return(1); |
| 1120 | } |
| 1121 | |
| 1122 | if (TERMP_SPLIT & p->flags) |
| 1123 | term_newln(p); |
| 1124 | |
| 1125 | return(1); |
| 1126 | } |
| 1127 | |
| 1128 | |
| 1129 | /* ARGSUSED */ |
| 1130 | static void |
| 1131 | termp_an_post(DECL_ARGS) |
| 1132 | { |
| 1133 | |
| 1134 | if (n->child) { |
| 1135 | if (SEC_AUTHORS == n->sec) |
| 1136 | p->flags |= TERMP_ANPREC; |
| 1137 | return; |
| 1138 | } |
| 1139 | |
| 1140 | if (AUTH_split == n->norm->An.auth) { |
| 1141 | p->flags &= ~TERMP_NOSPLIT; |
| 1142 | p->flags |= TERMP_SPLIT; |
| 1143 | } else if (AUTH_nosplit == n->norm->An.auth) { |
| 1144 | p->flags &= ~TERMP_SPLIT; |
| 1145 | p->flags |= TERMP_NOSPLIT; |
| 1146 | } |
| 1147 | |
| 1148 | } |
| 1149 | |
| 1150 | |
| 1151 | /* ARGSUSED */ |
| 1152 | static int |
| 1153 | termp_ns_pre(DECL_ARGS) |
| 1154 | { |
| 1155 | |
| 1156 | if ( ! (MDOC_LINE & n->flags)) |
| 1157 | p->flags |= TERMP_NOSPACE; |
| 1158 | return(1); |
| 1159 | } |
| 1160 | |
| 1161 | |
| 1162 | /* ARGSUSED */ |
| 1163 | static int |
| 1164 | termp_rs_pre(DECL_ARGS) |
| 1165 | { |
| 1166 | |
| 1167 | if (SEC_SEE_ALSO != n->sec) |
| 1168 | return(1); |
| 1169 | if (MDOC_BLOCK == n->type && n->prev) |
| 1170 | term_vspace(p); |
| 1171 | return(1); |
| 1172 | } |
| 1173 | |
| 1174 | |
| 1175 | /* ARGSUSED */ |
| 1176 | static int |
| 1177 | termp_rv_pre(DECL_ARGS) |
| 1178 | { |
| 1179 | int nchild; |
| 1180 | |
| 1181 | term_newln(p); |
| 1182 | term_word(p, "The"); |
| 1183 | |
| 1184 | nchild = n->nchild; |
| 1185 | for (n = n->child; n; n = n->next) { |
| 1186 | term_fontpush(p, TERMFONT_BOLD); |
| 1187 | term_word(p, n->string); |
| 1188 | term_fontpop(p); |
| 1189 | |
| 1190 | p->flags |= TERMP_NOSPACE; |
| 1191 | term_word(p, "()"); |
| 1192 | |
| 1193 | if (nchild > 2 && n->next) { |
| 1194 | p->flags |= TERMP_NOSPACE; |
| 1195 | term_word(p, ","); |
| 1196 | } |
| 1197 | |
| 1198 | if (n->next && NULL == n->next->next) |
| 1199 | term_word(p, "and"); |
| 1200 | } |
| 1201 | |
| 1202 | if (nchild > 1) |
| 1203 | term_word(p, "functions return"); |
| 1204 | else |
| 1205 | term_word(p, "function returns"); |
| 1206 | |
| 1207 | term_word(p, "the value 0 if successful; otherwise the value " |
| 1208 | "-1 is returned and the global variable"); |
| 1209 | |
| 1210 | term_fontpush(p, TERMFONT_UNDER); |
| 1211 | term_word(p, "errno"); |
| 1212 | term_fontpop(p); |
| 1213 | |
| 1214 | term_word(p, "is set to indicate the error."); |
| 1215 | p->flags |= TERMP_SENTENCE; |
| 1216 | |
| 1217 | return(0); |
| 1218 | } |
| 1219 | |
| 1220 | |
| 1221 | /* ARGSUSED */ |
| 1222 | static int |
| 1223 | termp_ex_pre(DECL_ARGS) |
| 1224 | { |
| 1225 | int nchild; |
| 1226 | |
| 1227 | term_newln(p); |
| 1228 | term_word(p, "The"); |
| 1229 | |
| 1230 | nchild = n->nchild; |
| 1231 | for (n = n->child; n; n = n->next) { |
| 1232 | term_fontpush(p, TERMFONT_BOLD); |
| 1233 | term_word(p, n->string); |
| 1234 | term_fontpop(p); |
| 1235 | |
| 1236 | if (nchild > 2 && n->next) { |
| 1237 | p->flags |= TERMP_NOSPACE; |
| 1238 | term_word(p, ","); |
| 1239 | } |
| 1240 | |
| 1241 | if (n->next && NULL == n->next->next) |
| 1242 | term_word(p, "and"); |
| 1243 | } |
| 1244 | |
| 1245 | if (nchild > 1) |
| 1246 | term_word(p, "utilities exit"); |
| 1247 | else |
| 1248 | term_word(p, "utility exits"); |
| 1249 | |
| 1250 | term_word(p, "0 on success, and >0 if an error occurs."); |
| 1251 | |
| 1252 | p->flags |= TERMP_SENTENCE; |
| 1253 | return(0); |
| 1254 | } |
| 1255 | |
| 1256 | |
| 1257 | /* ARGSUSED */ |
| 1258 | static int |
| 1259 | termp_nd_pre(DECL_ARGS) |
| 1260 | { |
| 1261 | |
| 1262 | if (MDOC_BODY != n->type) |
| 1263 | return(1); |
| 1264 | |
| 1265 | #if defined(__OpenBSD__) || defined(__linux__) |
| 1266 | term_word(p, "\\(en"); |
| 1267 | #else |
| 1268 | term_word(p, "\\(em"); |
| 1269 | #endif |
| 1270 | return(1); |
| 1271 | } |
| 1272 | |
| 1273 | |
| 1274 | /* ARGSUSED */ |
| 1275 | static int |
| 1276 | termp_bl_pre(DECL_ARGS) |
| 1277 | { |
| 1278 | |
| 1279 | return(MDOC_HEAD != n->type); |
| 1280 | } |
| 1281 | |
| 1282 | |
| 1283 | /* ARGSUSED */ |
| 1284 | static void |
| 1285 | termp_bl_post(DECL_ARGS) |
| 1286 | { |
| 1287 | |
| 1288 | if (MDOC_BLOCK == n->type) |
| 1289 | term_newln(p); |
| 1290 | } |
| 1291 | |
| 1292 | /* ARGSUSED */ |
| 1293 | static int |
| 1294 | termp_xr_pre(DECL_ARGS) |
| 1295 | { |
| 1296 | |
| 1297 | if (NULL == (n = n->child)) |
| 1298 | return(0); |
| 1299 | |
| 1300 | assert(MDOC_TEXT == n->type); |
| 1301 | term_word(p, n->string); |
| 1302 | |
| 1303 | if (NULL == (n = n->next)) |
| 1304 | return(0); |
| 1305 | |
| 1306 | p->flags |= TERMP_NOSPACE; |
| 1307 | term_word(p, "("); |
| 1308 | p->flags |= TERMP_NOSPACE; |
| 1309 | |
| 1310 | assert(MDOC_TEXT == n->type); |
| 1311 | term_word(p, n->string); |
| 1312 | |
| 1313 | p->flags |= TERMP_NOSPACE; |
| 1314 | term_word(p, ")"); |
| 1315 | |
| 1316 | return(0); |
| 1317 | } |
| 1318 | |
| 1319 | /* |
| 1320 | * This decides how to assert whitespace before any of the SYNOPSIS set |
| 1321 | * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain |
| 1322 | * macro combos). |
| 1323 | */ |
| 1324 | static void |
| 1325 | synopsis_pre(struct termp *p, const struct mdoc_node *n) |
| 1326 | { |
| 1327 | /* |
| 1328 | * Obviously, if we're not in a SYNOPSIS or no prior macros |
| 1329 | * exist, do nothing. |
| 1330 | */ |
| 1331 | if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags)) |
| 1332 | return; |
| 1333 | |
| 1334 | /* |
| 1335 | * If we're the second in a pair of like elements, emit our |
| 1336 | * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which |
| 1337 | * case we soldier on. |
| 1338 | */ |
| 1339 | if (n->prev->tok == n->tok && |
| 1340 | MDOC_Ft != n->tok && |
| 1341 | MDOC_Fo != n->tok && |
| 1342 | MDOC_Fn != n->tok) { |
| 1343 | term_newln(p); |
| 1344 | return; |
| 1345 | } |
| 1346 | |
| 1347 | /* |
| 1348 | * If we're one of the SYNOPSIS set and non-like pair-wise after |
| 1349 | * another (or Fn/Fo, which we've let slip through) then assert |
| 1350 | * vertical space, else only newline and move on. |
| 1351 | */ |
| 1352 | switch (n->prev->tok) { |
| 1353 | case (MDOC_Fd): |
| 1354 | /* FALLTHROUGH */ |
| 1355 | case (MDOC_Fn): |
| 1356 | /* FALLTHROUGH */ |
| 1357 | case (MDOC_Fo): |
| 1358 | /* FALLTHROUGH */ |
| 1359 | case (MDOC_In): |
| 1360 | /* FALLTHROUGH */ |
| 1361 | case (MDOC_Vt): |
| 1362 | term_vspace(p); |
| 1363 | break; |
| 1364 | case (MDOC_Ft): |
| 1365 | if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) { |
| 1366 | term_vspace(p); |
| 1367 | break; |
| 1368 | } |
| 1369 | /* FALLTHROUGH */ |
| 1370 | default: |
| 1371 | term_newln(p); |
| 1372 | break; |
| 1373 | } |
| 1374 | } |
| 1375 | |
| 1376 | |
| 1377 | static int |
| 1378 | termp_vt_pre(DECL_ARGS) |
| 1379 | { |
| 1380 | |
| 1381 | if (MDOC_ELEM == n->type) { |
| 1382 | synopsis_pre(p, n); |
| 1383 | return(termp_under_pre(p, pair, meta, n)); |
| 1384 | } else if (MDOC_BLOCK == n->type) { |
| 1385 | synopsis_pre(p, n); |
| 1386 | return(1); |
| 1387 | } else if (MDOC_HEAD == n->type) |
| 1388 | return(0); |
| 1389 | |
| 1390 | return(termp_under_pre(p, pair, meta, n)); |
| 1391 | } |
| 1392 | |
| 1393 | |
| 1394 | /* ARGSUSED */ |
| 1395 | static int |
| 1396 | termp_bold_pre(DECL_ARGS) |
| 1397 | { |
| 1398 | |
| 1399 | term_fontpush(p, TERMFONT_BOLD); |
| 1400 | return(1); |
| 1401 | } |
| 1402 | |
| 1403 | |
| 1404 | /* ARGSUSED */ |
| 1405 | static int |
| 1406 | termp_fd_pre(DECL_ARGS) |
| 1407 | { |
| 1408 | |
| 1409 | synopsis_pre(p, n); |
| 1410 | return(termp_bold_pre(p, pair, meta, n)); |
| 1411 | } |
| 1412 | |
| 1413 | |
| 1414 | /* ARGSUSED */ |
| 1415 | static void |
| 1416 | termp_fd_post(DECL_ARGS) |
| 1417 | { |
| 1418 | |
| 1419 | term_newln(p); |
| 1420 | } |
| 1421 | |
| 1422 | |
| 1423 | /* ARGSUSED */ |
| 1424 | static int |
| 1425 | termp_sh_pre(DECL_ARGS) |
| 1426 | { |
| 1427 | |
| 1428 | /* No vspace between consecutive `Sh' calls. */ |
| 1429 | |
| 1430 | switch (n->type) { |
| 1431 | case (MDOC_BLOCK): |
| 1432 | if (n->prev && MDOC_Sh == n->prev->tok) |
| 1433 | if (NULL == n->prev->body->child) |
| 1434 | break; |
| 1435 | term_vspace(p); |
| 1436 | break; |
| 1437 | case (MDOC_HEAD): |
| 1438 | term_fontpush(p, TERMFONT_BOLD); |
| 1439 | break; |
| 1440 | case (MDOC_BODY): |
| 1441 | p->offset = term_len(p, p->defindent); |
| 1442 | if (SEC_AUTHORS == n->sec) |
| 1443 | p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT); |
| 1444 | break; |
| 1445 | default: |
| 1446 | break; |
| 1447 | } |
| 1448 | return(1); |
| 1449 | } |
| 1450 | |
| 1451 | |
| 1452 | /* ARGSUSED */ |
| 1453 | static void |
| 1454 | termp_sh_post(DECL_ARGS) |
| 1455 | { |
| 1456 | |
| 1457 | switch (n->type) { |
| 1458 | case (MDOC_HEAD): |
| 1459 | term_newln(p); |
| 1460 | break; |
| 1461 | case (MDOC_BODY): |
| 1462 | term_newln(p); |
| 1463 | p->offset = 0; |
| 1464 | break; |
| 1465 | default: |
| 1466 | break; |
| 1467 | } |
| 1468 | } |
| 1469 | |
| 1470 | |
| 1471 | /* ARGSUSED */ |
| 1472 | static int |
| 1473 | termp_bt_pre(DECL_ARGS) |
| 1474 | { |
| 1475 | |
| 1476 | term_word(p, "is currently in beta test."); |
| 1477 | p->flags |= TERMP_SENTENCE; |
| 1478 | return(0); |
| 1479 | } |
| 1480 | |
| 1481 | |
| 1482 | /* ARGSUSED */ |
| 1483 | static void |
| 1484 | termp_lb_post(DECL_ARGS) |
| 1485 | { |
| 1486 | |
| 1487 | if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags) |
| 1488 | term_newln(p); |
| 1489 | } |
| 1490 | |
| 1491 | |
| 1492 | /* ARGSUSED */ |
| 1493 | static int |
| 1494 | termp_ud_pre(DECL_ARGS) |
| 1495 | { |
| 1496 | |
| 1497 | term_word(p, "currently under development."); |
| 1498 | p->flags |= TERMP_SENTENCE; |
| 1499 | return(0); |
| 1500 | } |
| 1501 | |
| 1502 | |
| 1503 | /* ARGSUSED */ |
| 1504 | static int |
| 1505 | termp_d1_pre(DECL_ARGS) |
| 1506 | { |
| 1507 | |
| 1508 | if (MDOC_BLOCK != n->type) |
| 1509 | return(1); |
| 1510 | term_newln(p); |
| 1511 | p->offset += term_len(p, p->defindent + 1); |
| 1512 | return(1); |
| 1513 | } |
| 1514 | |
| 1515 | |
| 1516 | /* ARGSUSED */ |
| 1517 | static int |
| 1518 | termp_ft_pre(DECL_ARGS) |
| 1519 | { |
| 1520 | |
| 1521 | /* NB: MDOC_LINE does not effect this! */ |
| 1522 | synopsis_pre(p, n); |
| 1523 | term_fontpush(p, TERMFONT_UNDER); |
| 1524 | return(1); |
| 1525 | } |
| 1526 | |
| 1527 | |
| 1528 | /* ARGSUSED */ |
| 1529 | static int |
| 1530 | termp_fn_pre(DECL_ARGS) |
| 1531 | { |
| 1532 | size_t rmargin = 0; |
| 1533 | int pretty; |
| 1534 | |
| 1535 | pretty = MDOC_SYNPRETTY & n->flags; |
| 1536 | |
| 1537 | synopsis_pre(p, n); |
| 1538 | |
| 1539 | if (NULL == (n = n->child)) |
| 1540 | return(0); |
| 1541 | |
| 1542 | if (pretty) { |
| 1543 | rmargin = p->rmargin; |
| 1544 | p->rmargin = p->offset + term_len(p, 4); |
| 1545 | p->flags |= TERMP_NOBREAK | TERMP_HANG; |
| 1546 | } |
| 1547 | |
| 1548 | assert(MDOC_TEXT == n->type); |
| 1549 | term_fontpush(p, TERMFONT_BOLD); |
| 1550 | term_word(p, n->string); |
| 1551 | term_fontpop(p); |
| 1552 | |
| 1553 | if (pretty) { |
| 1554 | term_flushln(p); |
| 1555 | p->flags &= ~(TERMP_NOBREAK | TERMP_HANG); |
| 1556 | p->offset = p->rmargin; |
| 1557 | p->rmargin = rmargin; |
| 1558 | } |
| 1559 | |
| 1560 | p->flags |= TERMP_NOSPACE; |
| 1561 | term_word(p, "("); |
| 1562 | p->flags |= TERMP_NOSPACE; |
| 1563 | |
| 1564 | for (n = n->next; n; n = n->next) { |
| 1565 | assert(MDOC_TEXT == n->type); |
| 1566 | term_fontpush(p, TERMFONT_UNDER); |
| 1567 | if (pretty) |
| 1568 | p->flags |= TERMP_NBRWORD; |
| 1569 | term_word(p, n->string); |
| 1570 | term_fontpop(p); |
| 1571 | |
| 1572 | if (n->next) { |
| 1573 | p->flags |= TERMP_NOSPACE; |
| 1574 | term_word(p, ","); |
| 1575 | } |
| 1576 | } |
| 1577 | |
| 1578 | p->flags |= TERMP_NOSPACE; |
| 1579 | term_word(p, ")"); |
| 1580 | |
| 1581 | if (pretty) { |
| 1582 | p->flags |= TERMP_NOSPACE; |
| 1583 | term_word(p, ";"); |
| 1584 | term_flushln(p); |
| 1585 | } |
| 1586 | |
| 1587 | return(0); |
| 1588 | } |
| 1589 | |
| 1590 | |
| 1591 | /* ARGSUSED */ |
| 1592 | static int |
| 1593 | termp_fa_pre(DECL_ARGS) |
| 1594 | { |
| 1595 | const struct mdoc_node *nn; |
| 1596 | |
| 1597 | if (n->parent->tok != MDOC_Fo) { |
| 1598 | term_fontpush(p, TERMFONT_UNDER); |
| 1599 | return(1); |
| 1600 | } |
| 1601 | |
| 1602 | for (nn = n->child; nn; nn = nn->next) { |
| 1603 | term_fontpush(p, TERMFONT_UNDER); |
| 1604 | p->flags |= TERMP_NBRWORD; |
| 1605 | term_word(p, nn->string); |
| 1606 | term_fontpop(p); |
| 1607 | |
| 1608 | if (nn->next || (n->next && n->next->tok == MDOC_Fa)) { |
| 1609 | p->flags |= TERMP_NOSPACE; |
| 1610 | term_word(p, ","); |
| 1611 | } |
| 1612 | } |
| 1613 | |
| 1614 | return(0); |
| 1615 | } |
| 1616 | |
| 1617 | |
| 1618 | /* ARGSUSED */ |
| 1619 | static int |
| 1620 | termp_bd_pre(DECL_ARGS) |
| 1621 | { |
| 1622 | size_t tabwidth, rm, rmax; |
| 1623 | struct mdoc_node *nn; |
| 1624 | |
| 1625 | if (MDOC_BLOCK == n->type) { |
| 1626 | print_bvspace(p, n, n); |
| 1627 | return(1); |
| 1628 | } else if (MDOC_HEAD == n->type) |
| 1629 | return(0); |
| 1630 | |
| 1631 | if (n->norm->Bd.offs) |
| 1632 | p->offset += a2offs(p, n->norm->Bd.offs); |
| 1633 | |
| 1634 | /* |
| 1635 | * If -ragged or -filled are specified, the block does nothing |
| 1636 | * but change the indentation. If -unfilled or -literal are |
| 1637 | * specified, text is printed exactly as entered in the display: |
| 1638 | * for macro lines, a newline is appended to the line. Blank |
| 1639 | * lines are allowed. |
| 1640 | */ |
| 1641 | |
| 1642 | if (DISP_literal != n->norm->Bd.type && |
| 1643 | DISP_unfilled != n->norm->Bd.type) |
| 1644 | return(1); |
| 1645 | |
| 1646 | tabwidth = p->tabwidth; |
| 1647 | if (DISP_literal == n->norm->Bd.type) |
| 1648 | p->tabwidth = term_len(p, 8); |
| 1649 | |
| 1650 | rm = p->rmargin; |
| 1651 | rmax = p->maxrmargin; |
| 1652 | p->rmargin = p->maxrmargin = TERM_MAXMARGIN; |
| 1653 | |
| 1654 | for (nn = n->child; nn; nn = nn->next) { |
| 1655 | print_mdoc_node(p, pair, meta, nn); |
| 1656 | /* |
| 1657 | * If the printed node flushes its own line, then we |
| 1658 | * needn't do it here as well. This is hacky, but the |
| 1659 | * notion of selective eoln whitespace is pretty dumb |
| 1660 | * anyway, so don't sweat it. |
| 1661 | */ |
| 1662 | switch (nn->tok) { |
| 1663 | case (MDOC_Sm): |
| 1664 | /* FALLTHROUGH */ |
| 1665 | case (MDOC_br): |
| 1666 | /* FALLTHROUGH */ |
| 1667 | case (MDOC_sp): |
| 1668 | /* FALLTHROUGH */ |
| 1669 | case (MDOC_Bl): |
| 1670 | /* FALLTHROUGH */ |
| 1671 | case (MDOC_D1): |
| 1672 | /* FALLTHROUGH */ |
| 1673 | case (MDOC_Dl): |
| 1674 | /* FALLTHROUGH */ |
| 1675 | case (MDOC_Lp): |
| 1676 | /* FALLTHROUGH */ |
| 1677 | case (MDOC_Pp): |
| 1678 | continue; |
| 1679 | default: |
| 1680 | break; |
| 1681 | } |
| 1682 | if (nn->next && nn->next->line == nn->line) |
| 1683 | continue; |
| 1684 | term_flushln(p); |
| 1685 | p->flags |= TERMP_NOSPACE; |
| 1686 | } |
| 1687 | |
| 1688 | p->tabwidth = tabwidth; |
| 1689 | p->rmargin = rm; |
| 1690 | p->maxrmargin = rmax; |
| 1691 | return(0); |
| 1692 | } |
| 1693 | |
| 1694 | |
| 1695 | /* ARGSUSED */ |
| 1696 | static void |
| 1697 | termp_bd_post(DECL_ARGS) |
| 1698 | { |
| 1699 | size_t rm, rmax; |
| 1700 | |
| 1701 | if (MDOC_BODY != n->type) |
| 1702 | return; |
| 1703 | |
| 1704 | rm = p->rmargin; |
| 1705 | rmax = p->maxrmargin; |
| 1706 | |
| 1707 | if (DISP_literal == n->norm->Bd.type || |
| 1708 | DISP_unfilled == n->norm->Bd.type) |
| 1709 | p->rmargin = p->maxrmargin = TERM_MAXMARGIN; |
| 1710 | |
| 1711 | p->flags |= TERMP_NOSPACE; |
| 1712 | term_newln(p); |
| 1713 | |
| 1714 | p->rmargin = rm; |
| 1715 | p->maxrmargin = rmax; |
| 1716 | } |
| 1717 | |
| 1718 | |
| 1719 | /* ARGSUSED */ |
| 1720 | static int |
| 1721 | termp_bx_pre(DECL_ARGS) |
| 1722 | { |
| 1723 | |
| 1724 | if (NULL != (n = n->child)) { |
| 1725 | term_word(p, n->string); |
| 1726 | p->flags |= TERMP_NOSPACE; |
| 1727 | term_word(p, "BSD"); |
| 1728 | } else { |
| 1729 | term_word(p, "BSD"); |
| 1730 | return(0); |
| 1731 | } |
| 1732 | |
| 1733 | if (NULL != (n = n->next)) { |
| 1734 | p->flags |= TERMP_NOSPACE; |
| 1735 | term_word(p, "-"); |
| 1736 | p->flags |= TERMP_NOSPACE; |
| 1737 | term_word(p, n->string); |
| 1738 | } |
| 1739 | |
| 1740 | return(0); |
| 1741 | } |
| 1742 | |
| 1743 | |
| 1744 | /* ARGSUSED */ |
| 1745 | static int |
| 1746 | termp_xx_pre(DECL_ARGS) |
| 1747 | { |
| 1748 | const char *pp; |
| 1749 | int flags; |
| 1750 | |
| 1751 | pp = NULL; |
| 1752 | switch (n->tok) { |
| 1753 | case (MDOC_Bsx): |
| 1754 | pp = "BSD/OS"; |
| 1755 | break; |
| 1756 | case (MDOC_Dx): |
| 1757 | pp = "DragonFly"; |
| 1758 | break; |
| 1759 | case (MDOC_Fx): |
| 1760 | pp = "FreeBSD"; |
| 1761 | break; |
| 1762 | case (MDOC_Nx): |
| 1763 | pp = "NetBSD"; |
| 1764 | break; |
| 1765 | case (MDOC_Ox): |
| 1766 | pp = "OpenBSD"; |
| 1767 | break; |
| 1768 | case (MDOC_Ux): |
| 1769 | pp = "UNIX"; |
| 1770 | break; |
| 1771 | default: |
| 1772 | abort(); |
| 1773 | /* NOTREACHED */ |
| 1774 | } |
| 1775 | |
| 1776 | term_word(p, pp); |
| 1777 | if (n->child) { |
| 1778 | flags = p->flags; |
| 1779 | p->flags |= TERMP_KEEP; |
| 1780 | term_word(p, n->child->string); |
| 1781 | p->flags = flags; |
| 1782 | } |
| 1783 | return(0); |
| 1784 | } |
| 1785 | |
| 1786 | |
| 1787 | /* ARGSUSED */ |
| 1788 | static void |
| 1789 | termp_pf_post(DECL_ARGS) |
| 1790 | { |
| 1791 | |
| 1792 | p->flags |= TERMP_NOSPACE; |
| 1793 | } |
| 1794 | |
| 1795 | |
| 1796 | /* ARGSUSED */ |
| 1797 | static int |
| 1798 | termp_ss_pre(DECL_ARGS) |
| 1799 | { |
| 1800 | |
| 1801 | switch (n->type) { |
| 1802 | case (MDOC_BLOCK): |
| 1803 | term_newln(p); |
| 1804 | if (n->prev) |
| 1805 | term_vspace(p); |
| 1806 | break; |
| 1807 | case (MDOC_HEAD): |
| 1808 | term_fontpush(p, TERMFONT_BOLD); |
| 1809 | p->offset = term_len(p, (p->defindent+1)/2); |
| 1810 | break; |
| 1811 | default: |
| 1812 | break; |
| 1813 | } |
| 1814 | |
| 1815 | return(1); |
| 1816 | } |
| 1817 | |
| 1818 | |
| 1819 | /* ARGSUSED */ |
| 1820 | static void |
| 1821 | termp_ss_post(DECL_ARGS) |
| 1822 | { |
| 1823 | |
| 1824 | if (MDOC_HEAD == n->type) |
| 1825 | term_newln(p); |
| 1826 | } |
| 1827 | |
| 1828 | |
| 1829 | /* ARGSUSED */ |
| 1830 | static int |
| 1831 | termp_cd_pre(DECL_ARGS) |
| 1832 | { |
| 1833 | |
| 1834 | synopsis_pre(p, n); |
| 1835 | term_fontpush(p, TERMFONT_BOLD); |
| 1836 | return(1); |
| 1837 | } |
| 1838 | |
| 1839 | |
| 1840 | /* ARGSUSED */ |
| 1841 | static int |
| 1842 | termp_in_pre(DECL_ARGS) |
| 1843 | { |
| 1844 | |
| 1845 | synopsis_pre(p, n); |
| 1846 | |
| 1847 | if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) { |
| 1848 | term_fontpush(p, TERMFONT_BOLD); |
| 1849 | term_word(p, "#include"); |
| 1850 | term_word(p, "<"); |
| 1851 | } else { |
| 1852 | term_word(p, "<"); |
| 1853 | term_fontpush(p, TERMFONT_UNDER); |
| 1854 | } |
| 1855 | |
| 1856 | p->flags |= TERMP_NOSPACE; |
| 1857 | return(1); |
| 1858 | } |
| 1859 | |
| 1860 | |
| 1861 | /* ARGSUSED */ |
| 1862 | static void |
| 1863 | termp_in_post(DECL_ARGS) |
| 1864 | { |
| 1865 | |
| 1866 | if (MDOC_SYNPRETTY & n->flags) |
| 1867 | term_fontpush(p, TERMFONT_BOLD); |
| 1868 | |
| 1869 | p->flags |= TERMP_NOSPACE; |
| 1870 | term_word(p, ">"); |
| 1871 | |
| 1872 | if (MDOC_SYNPRETTY & n->flags) |
| 1873 | term_fontpop(p); |
| 1874 | } |
| 1875 | |
| 1876 | |
| 1877 | /* ARGSUSED */ |
| 1878 | static int |
| 1879 | termp_sp_pre(DECL_ARGS) |
| 1880 | { |
| 1881 | size_t i, len; |
| 1882 | |
| 1883 | switch (n->tok) { |
| 1884 | case (MDOC_sp): |
| 1885 | len = n->child ? a2height(p, n->child->string) : 1; |
| 1886 | break; |
| 1887 | case (MDOC_br): |
| 1888 | len = 0; |
| 1889 | break; |
| 1890 | default: |
| 1891 | len = 1; |
| 1892 | break; |
| 1893 | } |
| 1894 | |
| 1895 | if (0 == len) |
| 1896 | term_newln(p); |
| 1897 | for (i = 0; i < len; i++) |
| 1898 | term_vspace(p); |
| 1899 | |
| 1900 | return(0); |
| 1901 | } |
| 1902 | |
| 1903 | |
| 1904 | /* ARGSUSED */ |
| 1905 | static int |
| 1906 | termp_quote_pre(DECL_ARGS) |
| 1907 | { |
| 1908 | |
| 1909 | if (MDOC_BODY != n->type && MDOC_ELEM != n->type) |
| 1910 | return(1); |
| 1911 | |
| 1912 | switch (n->tok) { |
| 1913 | case (MDOC_Ao): |
| 1914 | /* FALLTHROUGH */ |
| 1915 | case (MDOC_Aq): |
| 1916 | term_word(p, "<"); |
| 1917 | break; |
| 1918 | case (MDOC_Bro): |
| 1919 | /* FALLTHROUGH */ |
| 1920 | case (MDOC_Brq): |
| 1921 | term_word(p, "{"); |
| 1922 | break; |
| 1923 | case (MDOC_Oo): |
| 1924 | /* FALLTHROUGH */ |
| 1925 | case (MDOC_Op): |
| 1926 | /* FALLTHROUGH */ |
| 1927 | case (MDOC_Bo): |
| 1928 | /* FALLTHROUGH */ |
| 1929 | case (MDOC_Bq): |
| 1930 | term_word(p, "["); |
| 1931 | break; |
| 1932 | case (MDOC_Do): |
| 1933 | /* FALLTHROUGH */ |
| 1934 | case (MDOC_Dq): |
| 1935 | term_word(p, "\\(lq"); |
| 1936 | break; |
| 1937 | case (MDOC_Eo): |
| 1938 | break; |
| 1939 | case (MDOC_Po): |
| 1940 | /* FALLTHROUGH */ |
| 1941 | case (MDOC_Pq): |
| 1942 | term_word(p, "("); |
| 1943 | break; |
| 1944 | case (MDOC__T): |
| 1945 | /* FALLTHROUGH */ |
| 1946 | case (MDOC_Qo): |
| 1947 | /* FALLTHROUGH */ |
| 1948 | case (MDOC_Qq): |
| 1949 | term_word(p, "\""); |
| 1950 | break; |
| 1951 | case (MDOC_Ql): |
| 1952 | /* FALLTHROUGH */ |
| 1953 | case (MDOC_So): |
| 1954 | /* FALLTHROUGH */ |
| 1955 | case (MDOC_Sq): |
| 1956 | term_word(p, "\\(oq"); |
| 1957 | break; |
| 1958 | default: |
| 1959 | abort(); |
| 1960 | /* NOTREACHED */ |
| 1961 | } |
| 1962 | |
| 1963 | p->flags |= TERMP_NOSPACE; |
| 1964 | return(1); |
| 1965 | } |
| 1966 | |
| 1967 | |
| 1968 | /* ARGSUSED */ |
| 1969 | static void |
| 1970 | termp_quote_post(DECL_ARGS) |
| 1971 | { |
| 1972 | |
| 1973 | if (MDOC_BODY != n->type && MDOC_ELEM != n->type) |
| 1974 | return; |
| 1975 | |
| 1976 | p->flags |= TERMP_NOSPACE; |
| 1977 | |
| 1978 | switch (n->tok) { |
| 1979 | case (MDOC_Ao): |
| 1980 | /* FALLTHROUGH */ |
| 1981 | case (MDOC_Aq): |
| 1982 | term_word(p, ">"); |
| 1983 | break; |
| 1984 | case (MDOC_Bro): |
| 1985 | /* FALLTHROUGH */ |
| 1986 | case (MDOC_Brq): |
| 1987 | term_word(p, "}"); |
| 1988 | break; |
| 1989 | case (MDOC_Oo): |
| 1990 | /* FALLTHROUGH */ |
| 1991 | case (MDOC_Op): |
| 1992 | /* FALLTHROUGH */ |
| 1993 | case (MDOC_Bo): |
| 1994 | /* FALLTHROUGH */ |
| 1995 | case (MDOC_Bq): |
| 1996 | term_word(p, "]"); |
| 1997 | break; |
| 1998 | case (MDOC_Do): |
| 1999 | /* FALLTHROUGH */ |
| 2000 | case (MDOC_Dq): |
| 2001 | term_word(p, "\\(rq"); |
| 2002 | break; |
| 2003 | case (MDOC_Eo): |
| 2004 | break; |
| 2005 | case (MDOC_Po): |
| 2006 | /* FALLTHROUGH */ |
| 2007 | case (MDOC_Pq): |
| 2008 | term_word(p, ")"); |
| 2009 | break; |
| 2010 | case (MDOC__T): |
| 2011 | /* FALLTHROUGH */ |
| 2012 | case (MDOC_Qo): |
| 2013 | /* FALLTHROUGH */ |
| 2014 | case (MDOC_Qq): |
| 2015 | term_word(p, "\""); |
| 2016 | break; |
| 2017 | case (MDOC_Ql): |
| 2018 | /* FALLTHROUGH */ |
| 2019 | case (MDOC_So): |
| 2020 | /* FALLTHROUGH */ |
| 2021 | case (MDOC_Sq): |
| 2022 | term_word(p, "\\(cq"); |
| 2023 | break; |
| 2024 | default: |
| 2025 | abort(); |
| 2026 | /* NOTREACHED */ |
| 2027 | } |
| 2028 | } |
| 2029 | |
| 2030 | |
| 2031 | /* ARGSUSED */ |
| 2032 | static int |
| 2033 | termp_fo_pre(DECL_ARGS) |
| 2034 | { |
| 2035 | size_t rmargin = 0; |
| 2036 | int pretty; |
| 2037 | |
| 2038 | pretty = MDOC_SYNPRETTY & n->flags; |
| 2039 | |
| 2040 | if (MDOC_BLOCK == n->type) { |
| 2041 | synopsis_pre(p, n); |
| 2042 | return(1); |
| 2043 | } else if (MDOC_BODY == n->type) { |
| 2044 | if (pretty) { |
| 2045 | rmargin = p->rmargin; |
| 2046 | p->rmargin = p->offset + term_len(p, 4); |
| 2047 | p->flags |= TERMP_NOBREAK | TERMP_HANG; |
| 2048 | } |
| 2049 | p->flags |= TERMP_NOSPACE; |
| 2050 | term_word(p, "("); |
| 2051 | p->flags |= TERMP_NOSPACE; |
| 2052 | if (pretty) { |
| 2053 | term_flushln(p); |
| 2054 | p->flags &= ~(TERMP_NOBREAK | TERMP_HANG); |
| 2055 | p->offset = p->rmargin; |
| 2056 | p->rmargin = rmargin; |
| 2057 | } |
| 2058 | return(1); |
| 2059 | } |
| 2060 | |
| 2061 | if (NULL == n->child) |
| 2062 | return(0); |
| 2063 | |
| 2064 | /* XXX: we drop non-initial arguments as per groff. */ |
| 2065 | |
| 2066 | assert(n->child->string); |
| 2067 | term_fontpush(p, TERMFONT_BOLD); |
| 2068 | term_word(p, n->child->string); |
| 2069 | return(0); |
| 2070 | } |
| 2071 | |
| 2072 | |
| 2073 | /* ARGSUSED */ |
| 2074 | static void |
| 2075 | termp_fo_post(DECL_ARGS) |
| 2076 | { |
| 2077 | |
| 2078 | if (MDOC_BODY != n->type) |
| 2079 | return; |
| 2080 | |
| 2081 | p->flags |= TERMP_NOSPACE; |
| 2082 | term_word(p, ")"); |
| 2083 | |
| 2084 | if (MDOC_SYNPRETTY & n->flags) { |
| 2085 | p->flags |= TERMP_NOSPACE; |
| 2086 | term_word(p, ";"); |
| 2087 | term_flushln(p); |
| 2088 | } |
| 2089 | } |
| 2090 | |
| 2091 | |
| 2092 | /* ARGSUSED */ |
| 2093 | static int |
| 2094 | termp_bf_pre(DECL_ARGS) |
| 2095 | { |
| 2096 | |
| 2097 | if (MDOC_HEAD == n->type) |
| 2098 | return(0); |
| 2099 | else if (MDOC_BODY != n->type) |
| 2100 | return(1); |
| 2101 | |
| 2102 | if (FONT_Em == n->norm->Bf.font) |
| 2103 | term_fontpush(p, TERMFONT_UNDER); |
| 2104 | else if (FONT_Sy == n->norm->Bf.font) |
| 2105 | term_fontpush(p, TERMFONT_BOLD); |
| 2106 | else |
| 2107 | term_fontpush(p, TERMFONT_NONE); |
| 2108 | |
| 2109 | return(1); |
| 2110 | } |
| 2111 | |
| 2112 | |
| 2113 | /* ARGSUSED */ |
| 2114 | static int |
| 2115 | termp_sm_pre(DECL_ARGS) |
| 2116 | { |
| 2117 | |
| 2118 | assert(n->child && MDOC_TEXT == n->child->type); |
| 2119 | if (0 == strcmp("on", n->child->string)) { |
| 2120 | if (p->col) |
| 2121 | p->flags &= ~TERMP_NOSPACE; |
| 2122 | p->flags &= ~TERMP_NONOSPACE; |
| 2123 | } else |
| 2124 | p->flags |= TERMP_NONOSPACE; |
| 2125 | |
| 2126 | return(0); |
| 2127 | } |
| 2128 | |
| 2129 | |
| 2130 | /* ARGSUSED */ |
| 2131 | static int |
| 2132 | termp_ap_pre(DECL_ARGS) |
| 2133 | { |
| 2134 | |
| 2135 | p->flags |= TERMP_NOSPACE; |
| 2136 | term_word(p, "'"); |
| 2137 | p->flags |= TERMP_NOSPACE; |
| 2138 | return(1); |
| 2139 | } |
| 2140 | |
| 2141 | |
| 2142 | /* ARGSUSED */ |
| 2143 | static void |
| 2144 | termp____post(DECL_ARGS) |
| 2145 | { |
| 2146 | |
| 2147 | /* |
| 2148 | * Handle lists of authors. In general, print each followed by |
| 2149 | * a comma. Don't print the comma if there are only two |
| 2150 | * authors. |
| 2151 | */ |
| 2152 | if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok) |
| 2153 | if (NULL == n->next->next || MDOC__A != n->next->next->tok) |
| 2154 | if (NULL == n->prev || MDOC__A != n->prev->tok) |
| 2155 | return; |
| 2156 | |
| 2157 | /* TODO: %U. */ |
| 2158 | |
| 2159 | if (NULL == n->parent || MDOC_Rs != n->parent->tok) |
| 2160 | return; |
| 2161 | |
| 2162 | p->flags |= TERMP_NOSPACE; |
| 2163 | if (NULL == n->next) { |
| 2164 | term_word(p, "."); |
| 2165 | p->flags |= TERMP_SENTENCE; |
| 2166 | } else |
| 2167 | term_word(p, ","); |
| 2168 | } |
| 2169 | |
| 2170 | |
| 2171 | /* ARGSUSED */ |
| 2172 | static int |
| 2173 | termp_li_pre(DECL_ARGS) |
| 2174 | { |
| 2175 | |
| 2176 | term_fontpush(p, TERMFONT_NONE); |
| 2177 | return(1); |
| 2178 | } |
| 2179 | |
| 2180 | |
| 2181 | /* ARGSUSED */ |
| 2182 | static int |
| 2183 | termp_lk_pre(DECL_ARGS) |
| 2184 | { |
| 2185 | const struct mdoc_node *link, *descr; |
| 2186 | |
| 2187 | if (NULL == (link = n->child)) |
| 2188 | return(0); |
| 2189 | |
| 2190 | if (NULL != (descr = link->next)) { |
| 2191 | term_fontpush(p, TERMFONT_UNDER); |
| 2192 | while (NULL != descr) { |
| 2193 | term_word(p, descr->string); |
| 2194 | descr = descr->next; |
| 2195 | } |
| 2196 | p->flags |= TERMP_NOSPACE; |
| 2197 | term_word(p, ":"); |
| 2198 | term_fontpop(p); |
| 2199 | } |
| 2200 | |
| 2201 | term_fontpush(p, TERMFONT_BOLD); |
| 2202 | term_word(p, link->string); |
| 2203 | term_fontpop(p); |
| 2204 | |
| 2205 | return(0); |
| 2206 | } |
| 2207 | |
| 2208 | |
| 2209 | /* ARGSUSED */ |
| 2210 | static int |
| 2211 | termp_bk_pre(DECL_ARGS) |
| 2212 | { |
| 2213 | |
| 2214 | switch (n->type) { |
| 2215 | case (MDOC_BLOCK): |
| 2216 | break; |
| 2217 | case (MDOC_HEAD): |
| 2218 | return(0); |
| 2219 | case (MDOC_BODY): |
| 2220 | if (n->parent->args || 0 == n->prev->nchild) |
| 2221 | p->flags |= TERMP_PREKEEP; |
| 2222 | break; |
| 2223 | default: |
| 2224 | abort(); |
| 2225 | /* NOTREACHED */ |
| 2226 | } |
| 2227 | |
| 2228 | return(1); |
| 2229 | } |
| 2230 | |
| 2231 | |
| 2232 | /* ARGSUSED */ |
| 2233 | static void |
| 2234 | termp_bk_post(DECL_ARGS) |
| 2235 | { |
| 2236 | |
| 2237 | if (MDOC_BODY == n->type) |
| 2238 | p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP); |
| 2239 | } |
| 2240 | |
| 2241 | /* ARGSUSED */ |
| 2242 | static void |
| 2243 | termp__t_post(DECL_ARGS) |
| 2244 | { |
| 2245 | |
| 2246 | /* |
| 2247 | * If we're in an `Rs' and there's a journal present, then quote |
| 2248 | * us instead of underlining us (for disambiguation). |
| 2249 | */ |
| 2250 | if (n->parent && MDOC_Rs == n->parent->tok && |
| 2251 | n->parent->norm->Rs.quote_T) |
| 2252 | termp_quote_post(p, pair, meta, n); |
| 2253 | |
| 2254 | termp____post(p, pair, meta, n); |
| 2255 | } |
| 2256 | |
| 2257 | /* ARGSUSED */ |
| 2258 | static int |
| 2259 | termp__t_pre(DECL_ARGS) |
| 2260 | { |
| 2261 | |
| 2262 | /* |
| 2263 | * If we're in an `Rs' and there's a journal present, then quote |
| 2264 | * us instead of underlining us (for disambiguation). |
| 2265 | */ |
| 2266 | if (n->parent && MDOC_Rs == n->parent->tok && |
| 2267 | n->parent->norm->Rs.quote_T) |
| 2268 | return(termp_quote_pre(p, pair, meta, n)); |
| 2269 | |
| 2270 | term_fontpush(p, TERMFONT_UNDER); |
| 2271 | return(1); |
| 2272 | } |
| 2273 | |
| 2274 | /* ARGSUSED */ |
| 2275 | static int |
| 2276 | termp_under_pre(DECL_ARGS) |
| 2277 | { |
| 2278 | |
| 2279 | term_fontpush(p, TERMFONT_UNDER); |
| 2280 | return(1); |
| 2281 | } |