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1 /* $Id: mdoc_html.c,v 1.199 2014/08/21 12:57:17 schwarze Exp $ */
2 /*
3 * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
4 * Copyright (c) 2014 Ingo Schwarze <schwarze@openbsd.org>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18 #include "config.h"
19
20 #include <sys/types.h>
21
22 #include <assert.h>
23 #include <ctype.h>
24 #include <stdio.h>
25 #include <stdlib.h>
26 #include <string.h>
27 #include <unistd.h>
28
29 #include "mandoc.h"
30 #include "mandoc_aux.h"
31 #include "out.h"
32 #include "html.h"
33 #include "mdoc.h"
34 #include "main.h"
35
36 #define INDENT 5
37
38 #define MDOC_ARGS const struct mdoc_meta *meta, \
39 const struct mdoc_node *n, \
40 struct html *h
41
42 #ifndef MIN
43 #define MIN(a,b) ((/*CONSTCOND*/(a)<(b))?(a):(b))
44 #endif
45
46 struct htmlmdoc {
47 int (*pre)(MDOC_ARGS);
48 void (*post)(MDOC_ARGS);
49 };
50
51 static void print_mdoc(MDOC_ARGS);
52 static void print_mdoc_head(MDOC_ARGS);
53 static void print_mdoc_node(MDOC_ARGS);
54 static void print_mdoc_nodelist(MDOC_ARGS);
55 static void synopsis_pre(struct html *,
56 const struct mdoc_node *);
57
58 static void a2width(const char *, struct roffsu *);
59 static void a2offs(const char *, struct roffsu *);
60
61 static void mdoc_root_post(MDOC_ARGS);
62 static int mdoc_root_pre(MDOC_ARGS);
63
64 static void mdoc__x_post(MDOC_ARGS);
65 static int mdoc__x_pre(MDOC_ARGS);
66 static int mdoc_ad_pre(MDOC_ARGS);
67 static int mdoc_an_pre(MDOC_ARGS);
68 static int mdoc_ap_pre(MDOC_ARGS);
69 static int mdoc_ar_pre(MDOC_ARGS);
70 static int mdoc_bd_pre(MDOC_ARGS);
71 static int mdoc_bf_pre(MDOC_ARGS);
72 static void mdoc_bk_post(MDOC_ARGS);
73 static int mdoc_bk_pre(MDOC_ARGS);
74 static int mdoc_bl_pre(MDOC_ARGS);
75 static int mdoc_bt_pre(MDOC_ARGS);
76 static int mdoc_bx_pre(MDOC_ARGS);
77 static int mdoc_cd_pre(MDOC_ARGS);
78 static int mdoc_d1_pre(MDOC_ARGS);
79 static int mdoc_dv_pre(MDOC_ARGS);
80 static int mdoc_fa_pre(MDOC_ARGS);
81 static int mdoc_fd_pre(MDOC_ARGS);
82 static int mdoc_fl_pre(MDOC_ARGS);
83 static int mdoc_fn_pre(MDOC_ARGS);
84 static int mdoc_ft_pre(MDOC_ARGS);
85 static int mdoc_em_pre(MDOC_ARGS);
86 static int mdoc_er_pre(MDOC_ARGS);
87 static int mdoc_ev_pre(MDOC_ARGS);
88 static int mdoc_ex_pre(MDOC_ARGS);
89 static void mdoc_fo_post(MDOC_ARGS);
90 static int mdoc_fo_pre(MDOC_ARGS);
91 static int mdoc_ic_pre(MDOC_ARGS);
92 static int mdoc_igndelim_pre(MDOC_ARGS);
93 static int mdoc_in_pre(MDOC_ARGS);
94 static int mdoc_it_pre(MDOC_ARGS);
95 static int mdoc_lb_pre(MDOC_ARGS);
96 static int mdoc_li_pre(MDOC_ARGS);
97 static int mdoc_lk_pre(MDOC_ARGS);
98 static int mdoc_mt_pre(MDOC_ARGS);
99 static int mdoc_ms_pre(MDOC_ARGS);
100 static int mdoc_nd_pre(MDOC_ARGS);
101 static int mdoc_nm_pre(MDOC_ARGS);
102 static int mdoc_ns_pre(MDOC_ARGS);
103 static int mdoc_pa_pre(MDOC_ARGS);
104 static void mdoc_pf_post(MDOC_ARGS);
105 static int mdoc_pp_pre(MDOC_ARGS);
106 static void mdoc_quote_post(MDOC_ARGS);
107 static int mdoc_quote_pre(MDOC_ARGS);
108 static int mdoc_rs_pre(MDOC_ARGS);
109 static int mdoc_rv_pre(MDOC_ARGS);
110 static int mdoc_sh_pre(MDOC_ARGS);
111 static int mdoc_skip_pre(MDOC_ARGS);
112 static int mdoc_sm_pre(MDOC_ARGS);
113 static int mdoc_sp_pre(MDOC_ARGS);
114 static int mdoc_ss_pre(MDOC_ARGS);
115 static int mdoc_sx_pre(MDOC_ARGS);
116 static int mdoc_sy_pre(MDOC_ARGS);
117 static int mdoc_ud_pre(MDOC_ARGS);
118 static int mdoc_va_pre(MDOC_ARGS);
119 static int mdoc_vt_pre(MDOC_ARGS);
120 static int mdoc_xr_pre(MDOC_ARGS);
121 static int mdoc_xx_pre(MDOC_ARGS);
122
123 static const struct htmlmdoc mdocs[MDOC_MAX] = {
124 {mdoc_ap_pre, NULL}, /* Ap */
125 {NULL, NULL}, /* Dd */
126 {NULL, NULL}, /* Dt */
127 {NULL, NULL}, /* Os */
128 {mdoc_sh_pre, NULL }, /* Sh */
129 {mdoc_ss_pre, NULL }, /* Ss */
130 {mdoc_pp_pre, NULL}, /* Pp */
131 {mdoc_d1_pre, NULL}, /* D1 */
132 {mdoc_d1_pre, NULL}, /* Dl */
133 {mdoc_bd_pre, NULL}, /* Bd */
134 {NULL, NULL}, /* Ed */
135 {mdoc_bl_pre, NULL}, /* Bl */
136 {NULL, NULL}, /* El */
137 {mdoc_it_pre, NULL}, /* It */
138 {mdoc_ad_pre, NULL}, /* Ad */
139 {mdoc_an_pre, NULL}, /* An */
140 {mdoc_ar_pre, NULL}, /* Ar */
141 {mdoc_cd_pre, NULL}, /* Cd */
142 {mdoc_fl_pre, NULL}, /* Cm */
143 {mdoc_dv_pre, NULL}, /* Dv */
144 {mdoc_er_pre, NULL}, /* Er */
145 {mdoc_ev_pre, NULL}, /* Ev */
146 {mdoc_ex_pre, NULL}, /* Ex */
147 {mdoc_fa_pre, NULL}, /* Fa */
148 {mdoc_fd_pre, NULL}, /* Fd */
149 {mdoc_fl_pre, NULL}, /* Fl */
150 {mdoc_fn_pre, NULL}, /* Fn */
151 {mdoc_ft_pre, NULL}, /* Ft */
152 {mdoc_ic_pre, NULL}, /* Ic */
153 {mdoc_in_pre, NULL}, /* In */
154 {mdoc_li_pre, NULL}, /* Li */
155 {mdoc_nd_pre, NULL}, /* Nd */
156 {mdoc_nm_pre, NULL}, /* Nm */
157 {mdoc_quote_pre, mdoc_quote_post}, /* Op */
158 {mdoc_ft_pre, NULL}, /* Ot */
159 {mdoc_pa_pre, NULL}, /* Pa */
160 {mdoc_rv_pre, NULL}, /* Rv */
161 {NULL, NULL}, /* St */
162 {mdoc_va_pre, NULL}, /* Va */
163 {mdoc_vt_pre, NULL}, /* Vt */
164 {mdoc_xr_pre, NULL}, /* Xr */
165 {mdoc__x_pre, mdoc__x_post}, /* %A */
166 {mdoc__x_pre, mdoc__x_post}, /* %B */
167 {mdoc__x_pre, mdoc__x_post}, /* %D */
168 {mdoc__x_pre, mdoc__x_post}, /* %I */
169 {mdoc__x_pre, mdoc__x_post}, /* %J */
170 {mdoc__x_pre, mdoc__x_post}, /* %N */
171 {mdoc__x_pre, mdoc__x_post}, /* %O */
172 {mdoc__x_pre, mdoc__x_post}, /* %P */
173 {mdoc__x_pre, mdoc__x_post}, /* %R */
174 {mdoc__x_pre, mdoc__x_post}, /* %T */
175 {mdoc__x_pre, mdoc__x_post}, /* %V */
176 {NULL, NULL}, /* Ac */
177 {mdoc_quote_pre, mdoc_quote_post}, /* Ao */
178 {mdoc_quote_pre, mdoc_quote_post}, /* Aq */
179 {NULL, NULL}, /* At */
180 {NULL, NULL}, /* Bc */
181 {mdoc_bf_pre, NULL}, /* Bf */
182 {mdoc_quote_pre, mdoc_quote_post}, /* Bo */
183 {mdoc_quote_pre, mdoc_quote_post}, /* Bq */
184 {mdoc_xx_pre, NULL}, /* Bsx */
185 {mdoc_bx_pre, NULL}, /* Bx */
186 {NULL, NULL}, /* Db */
187 {NULL, NULL}, /* Dc */
188 {mdoc_quote_pre, mdoc_quote_post}, /* Do */
189 {mdoc_quote_pre, mdoc_quote_post}, /* Dq */
190 {NULL, NULL}, /* Ec */ /* FIXME: no space */
191 {NULL, NULL}, /* Ef */
192 {mdoc_em_pre, NULL}, /* Em */
193 {mdoc_quote_pre, mdoc_quote_post}, /* Eo */
194 {mdoc_xx_pre, NULL}, /* Fx */
195 {mdoc_ms_pre, NULL}, /* Ms */
196 {mdoc_igndelim_pre, NULL}, /* No */
197 {mdoc_ns_pre, NULL}, /* Ns */
198 {mdoc_xx_pre, NULL}, /* Nx */
199 {mdoc_xx_pre, NULL}, /* Ox */
200 {NULL, NULL}, /* Pc */
201 {mdoc_igndelim_pre, mdoc_pf_post}, /* Pf */
202 {mdoc_quote_pre, mdoc_quote_post}, /* Po */
203 {mdoc_quote_pre, mdoc_quote_post}, /* Pq */
204 {NULL, NULL}, /* Qc */
205 {mdoc_quote_pre, mdoc_quote_post}, /* Ql */
206 {mdoc_quote_pre, mdoc_quote_post}, /* Qo */
207 {mdoc_quote_pre, mdoc_quote_post}, /* Qq */
208 {NULL, NULL}, /* Re */
209 {mdoc_rs_pre, NULL}, /* Rs */
210 {NULL, NULL}, /* Sc */
211 {mdoc_quote_pre, mdoc_quote_post}, /* So */
212 {mdoc_quote_pre, mdoc_quote_post}, /* Sq */
213 {mdoc_sm_pre, NULL}, /* Sm */
214 {mdoc_sx_pre, NULL}, /* Sx */
215 {mdoc_sy_pre, NULL}, /* Sy */
216 {NULL, NULL}, /* Tn */
217 {mdoc_xx_pre, NULL}, /* Ux */
218 {NULL, NULL}, /* Xc */
219 {NULL, NULL}, /* Xo */
220 {mdoc_fo_pre, mdoc_fo_post}, /* Fo */
221 {NULL, NULL}, /* Fc */
222 {mdoc_quote_pre, mdoc_quote_post}, /* Oo */
223 {NULL, NULL}, /* Oc */
224 {mdoc_bk_pre, mdoc_bk_post}, /* Bk */
225 {NULL, NULL}, /* Ek */
226 {mdoc_bt_pre, NULL}, /* Bt */
227 {NULL, NULL}, /* Hf */
228 {mdoc_em_pre, NULL}, /* Fr */
229 {mdoc_ud_pre, NULL}, /* Ud */
230 {mdoc_lb_pre, NULL}, /* Lb */
231 {mdoc_pp_pre, NULL}, /* Lp */
232 {mdoc_lk_pre, NULL}, /* Lk */
233 {mdoc_mt_pre, NULL}, /* Mt */
234 {mdoc_quote_pre, mdoc_quote_post}, /* Brq */
235 {mdoc_quote_pre, mdoc_quote_post}, /* Bro */
236 {NULL, NULL}, /* Brc */
237 {mdoc__x_pre, mdoc__x_post}, /* %C */
238 {mdoc_skip_pre, NULL}, /* Es */
239 {mdoc_quote_pre, mdoc_quote_post}, /* En */
240 {mdoc_xx_pre, NULL}, /* Dx */
241 {mdoc__x_pre, mdoc__x_post}, /* %Q */
242 {mdoc_sp_pre, NULL}, /* br */
243 {mdoc_sp_pre, NULL}, /* sp */
244 {mdoc__x_pre, mdoc__x_post}, /* %U */
245 {NULL, NULL}, /* Ta */
246 {mdoc_skip_pre, NULL}, /* ll */
247 };
248
249 static const char * const lists[LIST_MAX] = {
250 NULL,
251 "list-bul",
252 "list-col",
253 "list-dash",
254 "list-diag",
255 "list-enum",
256 "list-hang",
257 "list-hyph",
258 "list-inset",
259 "list-item",
260 "list-ohang",
261 "list-tag"
262 };
263
264
265 void
266 html_mdoc(void *arg, const struct mdoc *mdoc)
267 {
268
269 print_mdoc(mdoc_meta(mdoc), mdoc_node(mdoc),
270 (struct html *)arg);
271 putchar('\n');
272 }
273
274 /*
275 * Calculate the scaling unit passed in a `-width' argument. This uses
276 * either a native scaling unit (e.g., 1i, 2m) or the string length of
277 * the value.
278 */
279 static void
280 a2width(const char *p, struct roffsu *su)
281 {
282
283 if ( ! a2roffsu(p, su, SCALE_MAX)) {
284 su->unit = SCALE_BU;
285 su->scale = html_strlen(p);
286 }
287 }
288
289 /*
290 * See the same function in mdoc_term.c for documentation.
291 */
292 static void
293 synopsis_pre(struct html *h, const struct mdoc_node *n)
294 {
295
296 if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
297 return;
298
299 if (n->prev->tok == n->tok &&
300 MDOC_Fo != n->tok &&
301 MDOC_Ft != n->tok &&
302 MDOC_Fn != n->tok) {
303 print_otag(h, TAG_BR, 0, NULL);
304 return;
305 }
306
307 switch (n->prev->tok) {
308 case MDOC_Fd:
309 /* FALLTHROUGH */
310 case MDOC_Fn:
311 /* FALLTHROUGH */
312 case MDOC_Fo:
313 /* FALLTHROUGH */
314 case MDOC_In:
315 /* FALLTHROUGH */
316 case MDOC_Vt:
317 print_otag(h, TAG_P, 0, NULL);
318 break;
319 case MDOC_Ft:
320 if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
321 print_otag(h, TAG_P, 0, NULL);
322 break;
323 }
324 /* FALLTHROUGH */
325 default:
326 print_otag(h, TAG_BR, 0, NULL);
327 break;
328 }
329 }
330
331 /*
332 * Calculate the scaling unit passed in an `-offset' argument. This
333 * uses either a native scaling unit (e.g., 1i, 2m), one of a set of
334 * predefined strings (indent, etc.), or the string length of the value.
335 */
336 static void
337 a2offs(const char *p, struct roffsu *su)
338 {
339
340 /* FIXME: "right"? */
341
342 if (0 == strcmp(p, "left"))
343 SCALE_HS_INIT(su, 0);
344 else if (0 == strcmp(p, "indent"))
345 SCALE_HS_INIT(su, INDENT);
346 else if (0 == strcmp(p, "indent-two"))
347 SCALE_HS_INIT(su, INDENT * 2);
348 else if ( ! a2roffsu(p, su, SCALE_MAX))
349 SCALE_HS_INIT(su, html_strlen(p));
350 }
351
352 static void
353 print_mdoc(MDOC_ARGS)
354 {
355 struct tag *t, *tt;
356 struct htmlpair tag;
357
358 PAIR_CLASS_INIT(&tag, "mandoc");
359
360 if ( ! (HTML_FRAGMENT & h->oflags)) {
361 print_gen_decls(h);
362 t = print_otag(h, TAG_HTML, 0, NULL);
363 tt = print_otag(h, TAG_HEAD, 0, NULL);
364 print_mdoc_head(meta, n, h);
365 print_tagq(h, tt);
366 print_otag(h, TAG_BODY, 0, NULL);
367 print_otag(h, TAG_DIV, 1, &tag);
368 } else
369 t = print_otag(h, TAG_DIV, 1, &tag);
370
371 print_mdoc_nodelist(meta, n, h);
372 print_tagq(h, t);
373 }
374
375 static void
376 print_mdoc_head(MDOC_ARGS)
377 {
378
379 print_gen_head(h);
380 bufinit(h);
381 bufcat(h, meta->title);
382 if (meta->msec)
383 bufcat_fmt(h, "(%s)", meta->msec);
384 if (meta->arch)
385 bufcat_fmt(h, " (%s)", meta->arch);
386
387 print_otag(h, TAG_TITLE, 0, NULL);
388 print_text(h, h->buf);
389 }
390
391 static void
392 print_mdoc_nodelist(MDOC_ARGS)
393 {
394
395 print_mdoc_node(meta, n, h);
396 if (n->next)
397 print_mdoc_nodelist(meta, n->next, h);
398 }
399
400 static void
401 print_mdoc_node(MDOC_ARGS)
402 {
403 int child;
404 struct tag *t;
405
406 child = 1;
407 t = h->tags.head;
408
409 switch (n->type) {
410 case MDOC_ROOT:
411 child = mdoc_root_pre(meta, n, h);
412 break;
413 case MDOC_TEXT:
414 /* No tables in this mode... */
415 assert(NULL == h->tblt);
416
417 /*
418 * Make sure that if we're in a literal mode already
419 * (i.e., within a <PRE>) don't print the newline.
420 */
421 if (' ' == *n->string && MDOC_LINE & n->flags)
422 if ( ! (HTML_LITERAL & h->flags))
423 print_otag(h, TAG_BR, 0, NULL);
424 if (MDOC_DELIMC & n->flags)
425 h->flags |= HTML_NOSPACE;
426 print_text(h, n->string);
427 if (MDOC_DELIMO & n->flags)
428 h->flags |= HTML_NOSPACE;
429 return;
430 case MDOC_EQN:
431 print_eqn(h, n->eqn);
432 break;
433 case MDOC_TBL:
434 /*
435 * This will take care of initialising all of the table
436 * state data for the first table, then tearing it down
437 * for the last one.
438 */
439 print_tbl(h, n->span);
440 return;
441 default:
442 /*
443 * Close out the current table, if it's open, and unset
444 * the "meta" table state. This will be reopened on the
445 * next table element.
446 */
447 if (h->tblt) {
448 print_tblclose(h);
449 t = h->tags.head;
450 }
451
452 assert(NULL == h->tblt);
453 if (mdocs[n->tok].pre && ENDBODY_NOT == n->end)
454 child = (*mdocs[n->tok].pre)(meta, n, h);
455 break;
456 }
457
458 if (HTML_KEEP & h->flags) {
459 if (n->prev ? (n->prev->lastline != n->line) :
460 (n->parent && n->parent->line != n->line)) {
461 h->flags &= ~HTML_KEEP;
462 h->flags |= HTML_PREKEEP;
463 }
464 }
465
466 if (child && n->child)
467 print_mdoc_nodelist(meta, n->child, h);
468
469 print_stagq(h, t);
470
471 switch (n->type) {
472 case MDOC_ROOT:
473 mdoc_root_post(meta, n, h);
474 break;
475 case MDOC_EQN:
476 break;
477 default:
478 if (mdocs[n->tok].post && ENDBODY_NOT == n->end)
479 (*mdocs[n->tok].post)(meta, n, h);
480 break;
481 }
482 }
483
484 static void
485 mdoc_root_post(MDOC_ARGS)
486 {
487 struct htmlpair tag[3];
488 struct tag *t, *tt;
489
490 PAIR_SUMMARY_INIT(&tag[0], "Document Footer");
491 PAIR_CLASS_INIT(&tag[1], "foot");
492 PAIR_INIT(&tag[2], ATTR_WIDTH, "100%");
493 t = print_otag(h, TAG_TABLE, 3, tag);
494 PAIR_INIT(&tag[0], ATTR_WIDTH, "50%");
495 print_otag(h, TAG_COL, 1, tag);
496 print_otag(h, TAG_COL, 1, tag);
497
498 print_otag(h, TAG_TBODY, 0, NULL);
499
500 tt = print_otag(h, TAG_TR, 0, NULL);
501
502 PAIR_CLASS_INIT(&tag[0], "foot-date");
503 print_otag(h, TAG_TD, 1, tag);
504 print_text(h, meta->date);
505 print_stagq(h, tt);
506
507 PAIR_CLASS_INIT(&tag[0], "foot-os");
508 PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
509 print_otag(h, TAG_TD, 2, tag);
510 print_text(h, meta->os);
511 print_tagq(h, t);
512 }
513
514 static int
515 mdoc_root_pre(MDOC_ARGS)
516 {
517 struct htmlpair tag[3];
518 struct tag *t, *tt;
519 char *volume, *title;
520
521 if (NULL == meta->arch)
522 volume = mandoc_strdup(meta->vol);
523 else
524 mandoc_asprintf(&volume, "%s (%s)",
525 meta->vol, meta->arch);
526
527 if (NULL == meta->msec)
528 title = mandoc_strdup(meta->title);
529 else
530 mandoc_asprintf(&title, "%s(%s)",
531 meta->title, meta->msec);
532
533 PAIR_SUMMARY_INIT(&tag[0], "Document Header");
534 PAIR_CLASS_INIT(&tag[1], "head");
535 PAIR_INIT(&tag[2], ATTR_WIDTH, "100%");
536 t = print_otag(h, TAG_TABLE, 3, tag);
537 PAIR_INIT(&tag[0], ATTR_WIDTH, "30%");
538 print_otag(h, TAG_COL, 1, tag);
539 print_otag(h, TAG_COL, 1, tag);
540 print_otag(h, TAG_COL, 1, tag);
541
542 print_otag(h, TAG_TBODY, 0, NULL);
543
544 tt = print_otag(h, TAG_TR, 0, NULL);
545
546 PAIR_CLASS_INIT(&tag[0], "head-ltitle");
547 print_otag(h, TAG_TD, 1, tag);
548 print_text(h, title);
549 print_stagq(h, tt);
550
551 PAIR_CLASS_INIT(&tag[0], "head-vol");
552 PAIR_INIT(&tag[1], ATTR_ALIGN, "center");
553 print_otag(h, TAG_TD, 2, tag);
554 print_text(h, volume);
555 print_stagq(h, tt);
556
557 PAIR_CLASS_INIT(&tag[0], "head-rtitle");
558 PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
559 print_otag(h, TAG_TD, 2, tag);
560 print_text(h, title);
561 print_tagq(h, t);
562
563 free(title);
564 free(volume);
565 return(1);
566 }
567
568 static int
569 mdoc_sh_pre(MDOC_ARGS)
570 {
571 struct htmlpair tag;
572
573 if (MDOC_BLOCK == n->type) {
574 PAIR_CLASS_INIT(&tag, "section");
575 print_otag(h, TAG_DIV, 1, &tag);
576 return(1);
577 } else if (MDOC_BODY == n->type)
578 return(1);
579
580 bufinit(h);
581 bufcat(h, "x");
582
583 for (n = n->child; n && MDOC_TEXT == n->type; ) {
584 bufcat_id(h, n->string);
585 if (NULL != (n = n->next))
586 bufcat_id(h, " ");
587 }
588
589 if (NULL == n) {
590 PAIR_ID_INIT(&tag, h->buf);
591 print_otag(h, TAG_H1, 1, &tag);
592 } else
593 print_otag(h, TAG_H1, 0, NULL);
594
595 return(1);
596 }
597
598 static int
599 mdoc_ss_pre(MDOC_ARGS)
600 {
601 struct htmlpair tag;
602
603 if (MDOC_BLOCK == n->type) {
604 PAIR_CLASS_INIT(&tag, "subsection");
605 print_otag(h, TAG_DIV, 1, &tag);
606 return(1);
607 } else if (MDOC_BODY == n->type)
608 return(1);
609
610 bufinit(h);
611 bufcat(h, "x");
612
613 for (n = n->child; n && MDOC_TEXT == n->type; ) {
614 bufcat_id(h, n->string);
615 if (NULL != (n = n->next))
616 bufcat_id(h, " ");
617 }
618
619 if (NULL == n) {
620 PAIR_ID_INIT(&tag, h->buf);
621 print_otag(h, TAG_H2, 1, &tag);
622 } else
623 print_otag(h, TAG_H2, 0, NULL);
624
625 return(1);
626 }
627
628 static int
629 mdoc_fl_pre(MDOC_ARGS)
630 {
631 struct htmlpair tag;
632
633 PAIR_CLASS_INIT(&tag, "flag");
634 print_otag(h, TAG_B, 1, &tag);
635
636 /* `Cm' has no leading hyphen. */
637
638 if (MDOC_Cm == n->tok)
639 return(1);
640
641 print_text(h, "\\-");
642
643 if ( ! (n->nchild == 0 &&
644 (n->next == NULL ||
645 n->next->type == MDOC_TEXT ||
646 n->next->flags & MDOC_LINE)))
647 h->flags |= HTML_NOSPACE;
648
649 return(1);
650 }
651
652 static int
653 mdoc_nd_pre(MDOC_ARGS)
654 {
655 struct htmlpair tag;
656
657 if (MDOC_BODY != n->type)
658 return(1);
659
660 /* XXX: this tag in theory can contain block elements. */
661
662 print_text(h, "\\(em");
663 PAIR_CLASS_INIT(&tag, "desc");
664 print_otag(h, TAG_SPAN, 1, &tag);
665 return(1);
666 }
667
668 static int
669 mdoc_nm_pre(MDOC_ARGS)
670 {
671 struct htmlpair tag;
672 struct roffsu su;
673 int len;
674
675 switch (n->type) {
676 case MDOC_ELEM:
677 synopsis_pre(h, n);
678 PAIR_CLASS_INIT(&tag, "name");
679 print_otag(h, TAG_B, 1, &tag);
680 if (NULL == n->child && meta->name)
681 print_text(h, meta->name);
682 return(1);
683 case MDOC_HEAD:
684 print_otag(h, TAG_TD, 0, NULL);
685 if (NULL == n->child && meta->name)
686 print_text(h, meta->name);
687 return(1);
688 case MDOC_BODY:
689 print_otag(h, TAG_TD, 0, NULL);
690 return(1);
691 default:
692 break;
693 }
694
695 synopsis_pre(h, n);
696 PAIR_CLASS_INIT(&tag, "synopsis");
697 print_otag(h, TAG_TABLE, 1, &tag);
698
699 for (len = 0, n = n->child; n; n = n->next)
700 if (MDOC_TEXT == n->type)
701 len += html_strlen(n->string);
702
703 if (0 == len && meta->name)
704 len = html_strlen(meta->name);
705
706 SCALE_HS_INIT(&su, len);
707 bufinit(h);
708 bufcat_su(h, "width", &su);
709 PAIR_STYLE_INIT(&tag, h);
710 print_otag(h, TAG_COL, 1, &tag);
711 print_otag(h, TAG_COL, 0, NULL);
712 print_otag(h, TAG_TBODY, 0, NULL);
713 print_otag(h, TAG_TR, 0, NULL);
714 return(1);
715 }
716
717 static int
718 mdoc_xr_pre(MDOC_ARGS)
719 {
720 struct htmlpair tag[2];
721
722 if (NULL == n->child)
723 return(0);
724
725 PAIR_CLASS_INIT(&tag[0], "link-man");
726
727 if (h->base_man) {
728 buffmt_man(h, n->child->string,
729 n->child->next ?
730 n->child->next->string : NULL);
731 PAIR_HREF_INIT(&tag[1], h->buf);
732 print_otag(h, TAG_A, 2, tag);
733 } else
734 print_otag(h, TAG_A, 1, tag);
735
736 n = n->child;
737 print_text(h, n->string);
738
739 if (NULL == (n = n->next))
740 return(0);
741
742 h->flags |= HTML_NOSPACE;
743 print_text(h, "(");
744 h->flags |= HTML_NOSPACE;
745 print_text(h, n->string);
746 h->flags |= HTML_NOSPACE;
747 print_text(h, ")");
748 return(0);
749 }
750
751 static int
752 mdoc_ns_pre(MDOC_ARGS)
753 {
754
755 if ( ! (MDOC_LINE & n->flags))
756 h->flags |= HTML_NOSPACE;
757 return(1);
758 }
759
760 static int
761 mdoc_ar_pre(MDOC_ARGS)
762 {
763 struct htmlpair tag;
764
765 PAIR_CLASS_INIT(&tag, "arg");
766 print_otag(h, TAG_I, 1, &tag);
767 return(1);
768 }
769
770 static int
771 mdoc_xx_pre(MDOC_ARGS)
772 {
773 const char *pp;
774 struct htmlpair tag;
775 int flags;
776
777 switch (n->tok) {
778 case MDOC_Bsx:
779 pp = "BSD/OS";
780 break;
781 case MDOC_Dx:
782 pp = "DragonFly";
783 break;
784 case MDOC_Fx:
785 pp = "FreeBSD";
786 break;
787 case MDOC_Nx:
788 pp = "NetBSD";
789 break;
790 case MDOC_Ox:
791 pp = "OpenBSD";
792 break;
793 case MDOC_Ux:
794 pp = "UNIX";
795 break;
796 default:
797 return(1);
798 }
799
800 PAIR_CLASS_INIT(&tag, "unix");
801 print_otag(h, TAG_SPAN, 1, &tag);
802
803 print_text(h, pp);
804 if (n->child) {
805 flags = h->flags;
806 h->flags |= HTML_KEEP;
807 print_text(h, n->child->string);
808 h->flags = flags;
809 }
810 return(0);
811 }
812
813 static int
814 mdoc_bx_pre(MDOC_ARGS)
815 {
816 struct htmlpair tag;
817
818 PAIR_CLASS_INIT(&tag, "unix");
819 print_otag(h, TAG_SPAN, 1, &tag);
820
821 if (NULL != (n = n->child)) {
822 print_text(h, n->string);
823 h->flags |= HTML_NOSPACE;
824 print_text(h, "BSD");
825 } else {
826 print_text(h, "BSD");
827 return(0);
828 }
829
830 if (NULL != (n = n->next)) {
831 h->flags |= HTML_NOSPACE;
832 print_text(h, "-");
833 h->flags |= HTML_NOSPACE;
834 print_text(h, n->string);
835 }
836
837 return(0);
838 }
839
840 static int
841 mdoc_it_pre(MDOC_ARGS)
842 {
843 struct roffsu su;
844 enum mdoc_list type;
845 struct htmlpair tag[2];
846 const struct mdoc_node *bl;
847
848 bl = n->parent;
849 while (bl && MDOC_Bl != bl->tok)
850 bl = bl->parent;
851
852 assert(bl);
853
854 type = bl->norm->Bl.type;
855
856 assert(lists[type]);
857 PAIR_CLASS_INIT(&tag[0], lists[type]);
858
859 bufinit(h);
860
861 if (MDOC_HEAD == n->type) {
862 switch (type) {
863 case LIST_bullet:
864 /* FALLTHROUGH */
865 case LIST_dash:
866 /* FALLTHROUGH */
867 case LIST_item:
868 /* FALLTHROUGH */
869 case LIST_hyphen:
870 /* FALLTHROUGH */
871 case LIST_enum:
872 return(0);
873 case LIST_diag:
874 /* FALLTHROUGH */
875 case LIST_hang:
876 /* FALLTHROUGH */
877 case LIST_inset:
878 /* FALLTHROUGH */
879 case LIST_ohang:
880 /* FALLTHROUGH */
881 case LIST_tag:
882 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
883 bufcat_su(h, "margin-top", &su);
884 PAIR_STYLE_INIT(&tag[1], h);
885 print_otag(h, TAG_DT, 2, tag);
886 if (LIST_diag != type)
887 break;
888 PAIR_CLASS_INIT(&tag[0], "diag");
889 print_otag(h, TAG_B, 1, tag);
890 break;
891 case LIST_column:
892 break;
893 default:
894 break;
895 }
896 } else if (MDOC_BODY == n->type) {
897 switch (type) {
898 case LIST_bullet:
899 /* FALLTHROUGH */
900 case LIST_hyphen:
901 /* FALLTHROUGH */
902 case LIST_dash:
903 /* FALLTHROUGH */
904 case LIST_enum:
905 /* FALLTHROUGH */
906 case LIST_item:
907 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
908 bufcat_su(h, "margin-top", &su);
909 PAIR_STYLE_INIT(&tag[1], h);
910 print_otag(h, TAG_LI, 2, tag);
911 break;
912 case LIST_diag:
913 /* FALLTHROUGH */
914 case LIST_hang:
915 /* FALLTHROUGH */
916 case LIST_inset:
917 /* FALLTHROUGH */
918 case LIST_ohang:
919 /* FALLTHROUGH */
920 case LIST_tag:
921 if (NULL == bl->norm->Bl.width) {
922 print_otag(h, TAG_DD, 1, tag);
923 break;
924 }
925 a2width(bl->norm->Bl.width, &su);
926 bufcat_su(h, "margin-left", &su);
927 PAIR_STYLE_INIT(&tag[1], h);
928 print_otag(h, TAG_DD, 2, tag);
929 break;
930 case LIST_column:
931 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
932 bufcat_su(h, "margin-top", &su);
933 PAIR_STYLE_INIT(&tag[1], h);
934 print_otag(h, TAG_TD, 2, tag);
935 break;
936 default:
937 break;
938 }
939 } else {
940 switch (type) {
941 case LIST_column:
942 print_otag(h, TAG_TR, 1, tag);
943 break;
944 default:
945 break;
946 }
947 }
948
949 return(1);
950 }
951
952 static int
953 mdoc_bl_pre(MDOC_ARGS)
954 {
955 int i;
956 struct htmlpair tag[3];
957 struct roffsu su;
958 char buf[BUFSIZ];
959
960 if (MDOC_BODY == n->type) {
961 if (LIST_column == n->norm->Bl.type)
962 print_otag(h, TAG_TBODY, 0, NULL);
963 return(1);
964 }
965
966 if (MDOC_HEAD == n->type) {
967 if (LIST_column != n->norm->Bl.type)
968 return(0);
969
970 /*
971 * For each column, print out the <COL> tag with our
972 * suggested width. The last column gets min-width, as
973 * in terminal mode it auto-sizes to the width of the
974 * screen and we want to preserve that behaviour.
975 */
976
977 for (i = 0; i < (int)n->norm->Bl.ncols; i++) {
978 bufinit(h);
979 a2width(n->norm->Bl.cols[i], &su);
980 if (i < (int)n->norm->Bl.ncols - 1)
981 bufcat_su(h, "width", &su);
982 else
983 bufcat_su(h, "min-width", &su);
984 PAIR_STYLE_INIT(&tag[0], h);
985 print_otag(h, TAG_COL, 1, tag);
986 }
987
988 return(0);
989 }
990
991 SCALE_VS_INIT(&su, 0);
992 bufinit(h);
993 bufcat_su(h, "margin-top", &su);
994 bufcat_su(h, "margin-bottom", &su);
995 PAIR_STYLE_INIT(&tag[0], h);
996
997 assert(lists[n->norm->Bl.type]);
998 (void)strlcpy(buf, "list ", BUFSIZ);
999 (void)strlcat(buf, lists[n->norm->Bl.type], BUFSIZ);
1000 PAIR_INIT(&tag[1], ATTR_CLASS, buf);
1001
1002 /* Set the block's left-hand margin. */
1003
1004 if (n->norm->Bl.offs) {
1005 a2offs(n->norm->Bl.offs, &su);
1006 bufcat_su(h, "margin-left", &su);
1007 }
1008
1009 switch (n->norm->Bl.type) {
1010 case LIST_bullet:
1011 /* FALLTHROUGH */
1012 case LIST_dash:
1013 /* FALLTHROUGH */
1014 case LIST_hyphen:
1015 /* FALLTHROUGH */
1016 case LIST_item:
1017 print_otag(h, TAG_UL, 2, tag);
1018 break;
1019 case LIST_enum:
1020 print_otag(h, TAG_OL, 2, tag);
1021 break;
1022 case LIST_diag:
1023 /* FALLTHROUGH */
1024 case LIST_hang:
1025 /* FALLTHROUGH */
1026 case LIST_inset:
1027 /* FALLTHROUGH */
1028 case LIST_ohang:
1029 /* FALLTHROUGH */
1030 case LIST_tag:
1031 print_otag(h, TAG_DL, 2, tag);
1032 break;
1033 case LIST_column:
1034 print_otag(h, TAG_TABLE, 2, tag);
1035 break;
1036 default:
1037 abort();
1038 /* NOTREACHED */
1039 }
1040
1041 return(1);
1042 }
1043
1044 static int
1045 mdoc_ex_pre(MDOC_ARGS)
1046 {
1047 struct tag *t;
1048 struct htmlpair tag;
1049 int nchild;
1050
1051 if (n->prev)
1052 print_otag(h, TAG_BR, 0, NULL);
1053
1054 PAIR_CLASS_INIT(&tag, "utility");
1055
1056 print_text(h, "The");
1057
1058 nchild = n->nchild;
1059 for (n = n->child; n; n = n->next) {
1060 assert(MDOC_TEXT == n->type);
1061
1062 t = print_otag(h, TAG_B, 1, &tag);
1063 print_text(h, n->string);
1064 print_tagq(h, t);
1065
1066 if (nchild > 2 && n->next) {
1067 h->flags |= HTML_NOSPACE;
1068 print_text(h, ",");
1069 }
1070
1071 if (n->next && NULL == n->next->next)
1072 print_text(h, "and");
1073 }
1074
1075 if (nchild > 1)
1076 print_text(h, "utilities exit\\~0");
1077 else
1078 print_text(h, "utility exits\\~0");
1079
1080 print_text(h, "on success, and\\~>0 if an error occurs.");
1081 return(0);
1082 }
1083
1084 static int
1085 mdoc_em_pre(MDOC_ARGS)
1086 {
1087 struct htmlpair tag;
1088
1089 PAIR_CLASS_INIT(&tag, "emph");
1090 print_otag(h, TAG_SPAN, 1, &tag);
1091 return(1);
1092 }
1093
1094 static int
1095 mdoc_d1_pre(MDOC_ARGS)
1096 {
1097 struct htmlpair tag[2];
1098 struct roffsu su;
1099
1100 if (MDOC_BLOCK != n->type)
1101 return(1);
1102
1103 SCALE_VS_INIT(&su, 0);
1104 bufinit(h);
1105 bufcat_su(h, "margin-top", &su);
1106 bufcat_su(h, "margin-bottom", &su);
1107 PAIR_STYLE_INIT(&tag[0], h);
1108 print_otag(h, TAG_BLOCKQUOTE, 1, tag);
1109
1110 /* BLOCKQUOTE needs a block body. */
1111
1112 PAIR_CLASS_INIT(&tag[0], "display");
1113 print_otag(h, TAG_DIV, 1, tag);
1114
1115 if (MDOC_Dl == n->tok) {
1116 PAIR_CLASS_INIT(&tag[0], "lit");
1117 print_otag(h, TAG_CODE, 1, tag);
1118 }
1119
1120 return(1);
1121 }
1122
1123 static int
1124 mdoc_sx_pre(MDOC_ARGS)
1125 {
1126 struct htmlpair tag[2];
1127
1128 bufinit(h);
1129 bufcat(h, "#x");
1130
1131 for (n = n->child; n; ) {
1132 bufcat_id(h, n->string);
1133 if (NULL != (n = n->next))
1134 bufcat_id(h, " ");
1135 }
1136
1137 PAIR_CLASS_INIT(&tag[0], "link-sec");
1138 PAIR_HREF_INIT(&tag[1], h->buf);
1139
1140 print_otag(h, TAG_I, 1, tag);
1141 print_otag(h, TAG_A, 2, tag);
1142 return(1);
1143 }
1144
1145 static int
1146 mdoc_bd_pre(MDOC_ARGS)
1147 {
1148 struct htmlpair tag[2];
1149 int comp, sv;
1150 const struct mdoc_node *nn;
1151 struct roffsu su;
1152
1153 if (MDOC_HEAD == n->type)
1154 return(0);
1155
1156 if (MDOC_BLOCK == n->type) {
1157 comp = n->norm->Bd.comp;
1158 for (nn = n; nn && ! comp; nn = nn->parent) {
1159 if (MDOC_BLOCK != nn->type)
1160 continue;
1161 if (MDOC_Ss == nn->tok || MDOC_Sh == nn->tok)
1162 comp = 1;
1163 if (nn->prev)
1164 break;
1165 }
1166 if ( ! comp)
1167 print_otag(h, TAG_P, 0, NULL);
1168 return(1);
1169 }
1170
1171 SCALE_HS_INIT(&su, 0);
1172 if (n->norm->Bd.offs)
1173 a2offs(n->norm->Bd.offs, &su);
1174
1175 bufinit(h);
1176 bufcat_su(h, "margin-left", &su);
1177 PAIR_STYLE_INIT(&tag[0], h);
1178
1179 if (DISP_unfilled != n->norm->Bd.type &&
1180 DISP_literal != n->norm->Bd.type) {
1181 PAIR_CLASS_INIT(&tag[1], "display");
1182 print_otag(h, TAG_DIV, 2, tag);
1183 return(1);
1184 }
1185
1186 PAIR_CLASS_INIT(&tag[1], "lit display");
1187 print_otag(h, TAG_PRE, 2, tag);
1188
1189 /* This can be recursive: save & set our literal state. */
1190
1191 sv = h->flags & HTML_LITERAL;
1192 h->flags |= HTML_LITERAL;
1193
1194 for (nn = n->child; nn; nn = nn->next) {
1195 print_mdoc_node(meta, nn, h);
1196 /*
1197 * If the printed node flushes its own line, then we
1198 * needn't do it here as well. This is hacky, but the
1199 * notion of selective eoln whitespace is pretty dumb
1200 * anyway, so don't sweat it.
1201 */
1202 switch (nn->tok) {
1203 case MDOC_Sm:
1204 /* FALLTHROUGH */
1205 case MDOC_br:
1206 /* FALLTHROUGH */
1207 case MDOC_sp:
1208 /* FALLTHROUGH */
1209 case MDOC_Bl:
1210 /* FALLTHROUGH */
1211 case MDOC_D1:
1212 /* FALLTHROUGH */
1213 case MDOC_Dl:
1214 /* FALLTHROUGH */
1215 case MDOC_Lp:
1216 /* FALLTHROUGH */
1217 case MDOC_Pp:
1218 continue;
1219 default:
1220 break;
1221 }
1222 if (nn->next && nn->next->line == nn->line)
1223 continue;
1224 else if (nn->next)
1225 print_text(h, "\n");
1226
1227 h->flags |= HTML_NOSPACE;
1228 }
1229
1230 if (0 == sv)
1231 h->flags &= ~HTML_LITERAL;
1232
1233 return(0);
1234 }
1235
1236 static int
1237 mdoc_pa_pre(MDOC_ARGS)
1238 {
1239 struct htmlpair tag;
1240
1241 PAIR_CLASS_INIT(&tag, "file");
1242 print_otag(h, TAG_I, 1, &tag);
1243 return(1);
1244 }
1245
1246 static int
1247 mdoc_ad_pre(MDOC_ARGS)
1248 {
1249 struct htmlpair tag;
1250
1251 PAIR_CLASS_INIT(&tag, "addr");
1252 print_otag(h, TAG_I, 1, &tag);
1253 return(1);
1254 }
1255
1256 static int
1257 mdoc_an_pre(MDOC_ARGS)
1258 {
1259 struct htmlpair tag;
1260
1261 /* TODO: -split and -nosplit (see termp_an_pre()). */
1262
1263 PAIR_CLASS_INIT(&tag, "author");
1264 print_otag(h, TAG_SPAN, 1, &tag);
1265 return(1);
1266 }
1267
1268 static int
1269 mdoc_cd_pre(MDOC_ARGS)
1270 {
1271 struct htmlpair tag;
1272
1273 synopsis_pre(h, n);
1274 PAIR_CLASS_INIT(&tag, "config");
1275 print_otag(h, TAG_B, 1, &tag);
1276 return(1);
1277 }
1278
1279 static int
1280 mdoc_dv_pre(MDOC_ARGS)
1281 {
1282 struct htmlpair tag;
1283
1284 PAIR_CLASS_INIT(&tag, "define");
1285 print_otag(h, TAG_SPAN, 1, &tag);
1286 return(1);
1287 }
1288
1289 static int
1290 mdoc_ev_pre(MDOC_ARGS)
1291 {
1292 struct htmlpair tag;
1293
1294 PAIR_CLASS_INIT(&tag, "env");
1295 print_otag(h, TAG_SPAN, 1, &tag);
1296 return(1);
1297 }
1298
1299 static int
1300 mdoc_er_pre(MDOC_ARGS)
1301 {
1302 struct htmlpair tag;
1303
1304 PAIR_CLASS_INIT(&tag, "errno");
1305 print_otag(h, TAG_SPAN, 1, &tag);
1306 return(1);
1307 }
1308
1309 static int
1310 mdoc_fa_pre(MDOC_ARGS)
1311 {
1312 const struct mdoc_node *nn;
1313 struct htmlpair tag;
1314 struct tag *t;
1315
1316 PAIR_CLASS_INIT(&tag, "farg");
1317 if (n->parent->tok != MDOC_Fo) {
1318 print_otag(h, TAG_I, 1, &tag);
1319 return(1);
1320 }
1321
1322 for (nn = n->child; nn; nn = nn->next) {
1323 t = print_otag(h, TAG_I, 1, &tag);
1324 print_text(h, nn->string);
1325 print_tagq(h, t);
1326 if (nn->next) {
1327 h->flags |= HTML_NOSPACE;
1328 print_text(h, ",");
1329 }
1330 }
1331
1332 if (n->child && n->next && n->next->tok == MDOC_Fa) {
1333 h->flags |= HTML_NOSPACE;
1334 print_text(h, ",");
1335 }
1336
1337 return(0);
1338 }
1339
1340 static int
1341 mdoc_fd_pre(MDOC_ARGS)
1342 {
1343 struct htmlpair tag[2];
1344 char buf[BUFSIZ];
1345 size_t sz;
1346 int i;
1347 struct tag *t;
1348
1349 synopsis_pre(h, n);
1350
1351 if (NULL == (n = n->child))
1352 return(0);
1353
1354 assert(MDOC_TEXT == n->type);
1355
1356 if (strcmp(n->string, "#include")) {
1357 PAIR_CLASS_INIT(&tag[0], "macro");
1358 print_otag(h, TAG_B, 1, tag);
1359 return(1);
1360 }
1361
1362 PAIR_CLASS_INIT(&tag[0], "includes");
1363 print_otag(h, TAG_B, 1, tag);
1364 print_text(h, n->string);
1365
1366 if (NULL != (n = n->next)) {
1367 assert(MDOC_TEXT == n->type);
1368
1369 /*
1370 * XXX This is broken and not easy to fix.
1371 * When using -Oincludes, truncation may occur.
1372 * Dynamic allocation wouldn't help because
1373 * passing long strings to buffmt_includes()
1374 * does not work either.
1375 */
1376
1377 strlcpy(buf, '<' == *n->string || '"' == *n->string ?
1378 n->string + 1 : n->string, BUFSIZ);
1379
1380 sz = strlen(buf);
1381 if (sz && ('>' == buf[sz - 1] || '"' == buf[sz - 1]))
1382 buf[sz - 1] = '\0';
1383
1384 PAIR_CLASS_INIT(&tag[0], "link-includes");
1385
1386 i = 1;
1387 if (h->base_includes) {
1388 buffmt_includes(h, buf);
1389 PAIR_HREF_INIT(&tag[i], h->buf);
1390 i++;
1391 }
1392
1393 t = print_otag(h, TAG_A, i, tag);
1394 print_text(h, n->string);
1395 print_tagq(h, t);
1396
1397 n = n->next;
1398 }
1399
1400 for ( ; n; n = n->next) {
1401 assert(MDOC_TEXT == n->type);
1402 print_text(h, n->string);
1403 }
1404
1405 return(0);
1406 }
1407
1408 static int
1409 mdoc_vt_pre(MDOC_ARGS)
1410 {
1411 struct htmlpair tag;
1412
1413 if (MDOC_BLOCK == n->type) {
1414 synopsis_pre(h, n);
1415 return(1);
1416 } else if (MDOC_ELEM == n->type) {
1417 synopsis_pre(h, n);
1418 } else if (MDOC_HEAD == n->type)
1419 return(0);
1420
1421 PAIR_CLASS_INIT(&tag, "type");
1422 print_otag(h, TAG_SPAN, 1, &tag);
1423 return(1);
1424 }
1425
1426 static int
1427 mdoc_ft_pre(MDOC_ARGS)
1428 {
1429 struct htmlpair tag;
1430
1431 synopsis_pre(h, n);
1432 PAIR_CLASS_INIT(&tag, "ftype");
1433 print_otag(h, TAG_I, 1, &tag);
1434 return(1);
1435 }
1436
1437 static int
1438 mdoc_fn_pre(MDOC_ARGS)
1439 {
1440 struct tag *t;
1441 struct htmlpair tag[2];
1442 char nbuf[BUFSIZ];
1443 const char *sp, *ep;
1444 int sz, i, pretty;
1445
1446 pretty = MDOC_SYNPRETTY & n->flags;
1447 synopsis_pre(h, n);
1448
1449 /* Split apart into type and name. */
1450 assert(n->child->string);
1451 sp = n->child->string;
1452
1453 ep = strchr(sp, ' ');
1454 if (NULL != ep) {
1455 PAIR_CLASS_INIT(&tag[0], "ftype");
1456 t = print_otag(h, TAG_I, 1, tag);
1457
1458 while (ep) {
1459 sz = MIN((int)(ep - sp), BUFSIZ - 1);
1460 (void)memcpy(nbuf, sp, (size_t)sz);
1461 nbuf[sz] = '\0';
1462 print_text(h, nbuf);
1463 sp = ++ep;
1464 ep = strchr(sp, ' ');
1465 }
1466 print_tagq(h, t);
1467 }
1468
1469 PAIR_CLASS_INIT(&tag[0], "fname");
1470
1471 /*
1472 * FIXME: only refer to IDs that we know exist.
1473 */
1474
1475 #if 0
1476 if (MDOC_SYNPRETTY & n->flags) {
1477 nbuf[0] = '\0';
1478 html_idcat(nbuf, sp, BUFSIZ);
1479 PAIR_ID_INIT(&tag[1], nbuf);
1480 } else {
1481 strlcpy(nbuf, "#", BUFSIZ);
1482 html_idcat(nbuf, sp, BUFSIZ);
1483 PAIR_HREF_INIT(&tag[1], nbuf);
1484 }
1485 #endif
1486
1487 t = print_otag(h, TAG_B, 1, tag);
1488
1489 if (sp)
1490 print_text(h, sp);
1491
1492 print_tagq(h, t);
1493
1494 h->flags |= HTML_NOSPACE;
1495 print_text(h, "(");
1496 h->flags |= HTML_NOSPACE;
1497
1498 PAIR_CLASS_INIT(&tag[0], "farg");
1499 bufinit(h);
1500 bufcat_style(h, "white-space", "nowrap");
1501 PAIR_STYLE_INIT(&tag[1], h);
1502
1503 for (n = n->child->next; n; n = n->next) {
1504 i = 1;
1505 if (MDOC_SYNPRETTY & n->flags)
1506 i = 2;
1507 t = print_otag(h, TAG_I, i, tag);
1508 print_text(h, n->string);
1509 print_tagq(h, t);
1510 if (n->next) {
1511 h->flags |= HTML_NOSPACE;
1512 print_text(h, ",");
1513 }
1514 }
1515
1516 h->flags |= HTML_NOSPACE;
1517 print_text(h, ")");
1518
1519 if (pretty) {
1520 h->flags |= HTML_NOSPACE;
1521 print_text(h, ";");
1522 }
1523
1524 return(0);
1525 }
1526
1527 static int
1528 mdoc_sm_pre(MDOC_ARGS)
1529 {
1530
1531 if (NULL == n->child)
1532 h->flags ^= HTML_NONOSPACE;
1533 else if (0 == strcmp("on", n->child->string))
1534 h->flags &= ~HTML_NONOSPACE;
1535 else
1536 h->flags |= HTML_NONOSPACE;
1537
1538 if ( ! (HTML_NONOSPACE & h->flags))
1539 h->flags &= ~HTML_NOSPACE;
1540
1541 return(0);
1542 }
1543
1544 static int
1545 mdoc_skip_pre(MDOC_ARGS)
1546 {
1547
1548 return(0);
1549 }
1550
1551 static int
1552 mdoc_pp_pre(MDOC_ARGS)
1553 {
1554
1555 print_otag(h, TAG_P, 0, NULL);
1556 return(0);
1557 }
1558
1559 static int
1560 mdoc_sp_pre(MDOC_ARGS)
1561 {
1562 struct roffsu su;
1563 struct htmlpair tag;
1564
1565 SCALE_VS_INIT(&su, 1);
1566
1567 if (MDOC_sp == n->tok) {
1568 if (NULL != (n = n->child))
1569 if ( ! a2roffsu(n->string, &su, SCALE_VS))
1570 SCALE_VS_INIT(&su, atoi(n->string));
1571 } else
1572 su.scale = 0.0;
1573
1574 bufinit(h);
1575 bufcat_su(h, "height", &su);
1576 PAIR_STYLE_INIT(&tag, h);
1577 print_otag(h, TAG_DIV, 1, &tag);
1578
1579 /* So the div isn't empty: */
1580 print_text(h, "\\~");
1581
1582 return(0);
1583
1584 }
1585
1586 static int
1587 mdoc_lk_pre(MDOC_ARGS)
1588 {
1589 struct htmlpair tag[2];
1590
1591 if (NULL == (n = n->child))
1592 return(0);
1593
1594 assert(MDOC_TEXT == n->type);
1595
1596 PAIR_CLASS_INIT(&tag[0], "link-ext");
1597 PAIR_HREF_INIT(&tag[1], n->string);
1598
1599 print_otag(h, TAG_A, 2, tag);
1600
1601 if (NULL == n->next)
1602 print_text(h, n->string);
1603
1604 for (n = n->next; n; n = n->next)
1605 print_text(h, n->string);
1606
1607 return(0);
1608 }
1609
1610 static int
1611 mdoc_mt_pre(MDOC_ARGS)
1612 {
1613 struct htmlpair tag[2];
1614 struct tag *t;
1615
1616 PAIR_CLASS_INIT(&tag[0], "link-mail");
1617
1618 for (n = n->child; n; n = n->next) {
1619 assert(MDOC_TEXT == n->type);
1620
1621 bufinit(h);
1622 bufcat(h, "mailto:");
1623 bufcat(h, n->string);
1624
1625 PAIR_HREF_INIT(&tag[1], h->buf);
1626 t = print_otag(h, TAG_A, 2, tag);
1627 print_text(h, n->string);
1628 print_tagq(h, t);
1629 }
1630
1631 return(0);
1632 }
1633
1634 static int
1635 mdoc_fo_pre(MDOC_ARGS)
1636 {
1637 struct htmlpair tag;
1638 struct tag *t;
1639
1640 if (MDOC_BODY == n->type) {
1641 h->flags |= HTML_NOSPACE;
1642 print_text(h, "(");
1643 h->flags |= HTML_NOSPACE;
1644 return(1);
1645 } else if (MDOC_BLOCK == n->type) {
1646 synopsis_pre(h, n);
1647 return(1);
1648 }
1649
1650 /* XXX: we drop non-initial arguments as per groff. */
1651
1652 assert(n->child);
1653 assert(n->child->string);
1654
1655 PAIR_CLASS_INIT(&tag, "fname");
1656 t = print_otag(h, TAG_B, 1, &tag);
1657 print_text(h, n->child->string);
1658 print_tagq(h, t);
1659 return(0);
1660 }
1661
1662 static void
1663 mdoc_fo_post(MDOC_ARGS)
1664 {
1665
1666 if (MDOC_BODY != n->type)
1667 return;
1668 h->flags |= HTML_NOSPACE;
1669 print_text(h, ")");
1670 h->flags |= HTML_NOSPACE;
1671 print_text(h, ";");
1672 }
1673
1674 static int
1675 mdoc_in_pre(MDOC_ARGS)
1676 {
1677 struct tag *t;
1678 struct htmlpair tag[2];
1679 int i;
1680
1681 synopsis_pre(h, n);
1682
1683 PAIR_CLASS_INIT(&tag[0], "includes");
1684 print_otag(h, TAG_B, 1, tag);
1685
1686 /*
1687 * The first argument of the `In' gets special treatment as
1688 * being a linked value. Subsequent values are printed
1689 * afterward. groff does similarly. This also handles the case
1690 * of no children.
1691 */
1692
1693 if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags)
1694 print_text(h, "#include");
1695
1696 print_text(h, "<");
1697 h->flags |= HTML_NOSPACE;
1698
1699 if (NULL != (n = n->child)) {
1700 assert(MDOC_TEXT == n->type);
1701
1702 PAIR_CLASS_INIT(&tag[0], "link-includes");
1703
1704 i = 1;
1705 if (h->base_includes) {
1706 buffmt_includes(h, n->string);
1707 PAIR_HREF_INIT(&tag[i], h->buf);
1708 i++;
1709 }
1710
1711 t = print_otag(h, TAG_A, i, tag);
1712 print_text(h, n->string);
1713 print_tagq(h, t);
1714
1715 n = n->next;
1716 }
1717
1718 h->flags |= HTML_NOSPACE;
1719 print_text(h, ">");
1720
1721 for ( ; n; n = n->next) {
1722 assert(MDOC_TEXT == n->type);
1723 print_text(h, n->string);
1724 }
1725
1726 return(0);
1727 }
1728
1729 static int
1730 mdoc_ic_pre(MDOC_ARGS)
1731 {
1732 struct htmlpair tag;
1733
1734 PAIR_CLASS_INIT(&tag, "cmd");
1735 print_otag(h, TAG_B, 1, &tag);
1736 return(1);
1737 }
1738
1739 static int
1740 mdoc_rv_pre(MDOC_ARGS)
1741 {
1742 struct htmlpair tag;
1743 struct tag *t;
1744 int nchild;
1745
1746 if (n->prev)
1747 print_otag(h, TAG_BR, 0, NULL);
1748
1749 PAIR_CLASS_INIT(&tag, "fname");
1750
1751 nchild = n->nchild;
1752 if (nchild > 0) {
1753 print_text(h, "The");
1754
1755 for (n = n->child; n; n = n->next) {
1756 t = print_otag(h, TAG_B, 1, &tag);
1757 print_text(h, n->string);
1758 print_tagq(h, t);
1759
1760 h->flags |= HTML_NOSPACE;
1761 print_text(h, "()");
1762
1763 if (n->next == NULL)
1764 continue;
1765
1766 if (nchild > 2) {
1767 h->flags |= HTML_NOSPACE;
1768 print_text(h, ",");
1769 }
1770 if (n->next->next == NULL)
1771 print_text(h, "and");
1772 }
1773
1774 if (nchild > 1)
1775 print_text(h, "functions return");
1776 else
1777 print_text(h, "function returns");
1778
1779 print_text(h, "the value\\~0 if successful;");
1780 } else
1781 print_text(h, "Upon successful completion,"
1782 " the value\\~0 is returned;");
1783
1784 print_text(h, "otherwise the value\\~\\-1 is returned"
1785 " and the global variable");
1786
1787 PAIR_CLASS_INIT(&tag, "var");
1788 t = print_otag(h, TAG_B, 1, &tag);
1789 print_text(h, "errno");
1790 print_tagq(h, t);
1791 print_text(h, "is set to indicate the error.");
1792 return(0);
1793 }
1794
1795 static int
1796 mdoc_va_pre(MDOC_ARGS)
1797 {
1798 struct htmlpair tag;
1799
1800 PAIR_CLASS_INIT(&tag, "var");
1801 print_otag(h, TAG_B, 1, &tag);
1802 return(1);
1803 }
1804
1805 static int
1806 mdoc_ap_pre(MDOC_ARGS)
1807 {
1808
1809 h->flags |= HTML_NOSPACE;
1810 print_text(h, "\\(aq");
1811 h->flags |= HTML_NOSPACE;
1812 return(1);
1813 }
1814
1815 static int
1816 mdoc_bf_pre(MDOC_ARGS)
1817 {
1818 struct htmlpair tag[2];
1819 struct roffsu su;
1820
1821 if (MDOC_HEAD == n->type)
1822 return(0);
1823 else if (MDOC_BODY != n->type)
1824 return(1);
1825
1826 if (FONT_Em == n->norm->Bf.font)
1827 PAIR_CLASS_INIT(&tag[0], "emph");
1828 else if (FONT_Sy == n->norm->Bf.font)
1829 PAIR_CLASS_INIT(&tag[0], "symb");
1830 else if (FONT_Li == n->norm->Bf.font)
1831 PAIR_CLASS_INIT(&tag[0], "lit");
1832 else
1833 PAIR_CLASS_INIT(&tag[0], "none");
1834
1835 /*
1836 * We want this to be inline-formatted, but needs to be div to
1837 * accept block children.
1838 */
1839 bufinit(h);
1840 bufcat_style(h, "display", "inline");
1841 SCALE_HS_INIT(&su, 1);
1842 /* Needs a left-margin for spacing. */
1843 bufcat_su(h, "margin-left", &su);
1844 PAIR_STYLE_INIT(&tag[1], h);
1845 print_otag(h, TAG_DIV, 2, tag);
1846 return(1);
1847 }
1848
1849 static int
1850 mdoc_ms_pre(MDOC_ARGS)
1851 {
1852 struct htmlpair tag;
1853
1854 PAIR_CLASS_INIT(&tag, "symb");
1855 print_otag(h, TAG_SPAN, 1, &tag);
1856 return(1);
1857 }
1858
1859 static int
1860 mdoc_igndelim_pre(MDOC_ARGS)
1861 {
1862
1863 h->flags |= HTML_IGNDELIM;
1864 return(1);
1865 }
1866
1867 static void
1868 mdoc_pf_post(MDOC_ARGS)
1869 {
1870
1871 h->flags |= HTML_NOSPACE;
1872 }
1873
1874 static int
1875 mdoc_rs_pre(MDOC_ARGS)
1876 {
1877 struct htmlpair tag;
1878
1879 if (MDOC_BLOCK != n->type)
1880 return(1);
1881
1882 if (n->prev && SEC_SEE_ALSO == n->sec)
1883 print_otag(h, TAG_P, 0, NULL);
1884
1885 PAIR_CLASS_INIT(&tag, "ref");
1886 print_otag(h, TAG_SPAN, 1, &tag);
1887 return(1);
1888 }
1889
1890 static int
1891 mdoc_li_pre(MDOC_ARGS)
1892 {
1893 struct htmlpair tag;
1894
1895 PAIR_CLASS_INIT(&tag, "lit");
1896 print_otag(h, TAG_CODE, 1, &tag);
1897 return(1);
1898 }
1899
1900 static int
1901 mdoc_sy_pre(MDOC_ARGS)
1902 {
1903 struct htmlpair tag;
1904
1905 PAIR_CLASS_INIT(&tag, "symb");
1906 print_otag(h, TAG_SPAN, 1, &tag);
1907 return(1);
1908 }
1909
1910 static int
1911 mdoc_bt_pre(MDOC_ARGS)
1912 {
1913
1914 print_text(h, "is currently in beta test.");
1915 return(0);
1916 }
1917
1918 static int
1919 mdoc_ud_pre(MDOC_ARGS)
1920 {
1921
1922 print_text(h, "currently under development.");
1923 return(0);
1924 }
1925
1926 static int
1927 mdoc_lb_pre(MDOC_ARGS)
1928 {
1929 struct htmlpair tag;
1930
1931 if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags && n->prev)
1932 print_otag(h, TAG_BR, 0, NULL);
1933
1934 PAIR_CLASS_INIT(&tag, "lib");
1935 print_otag(h, TAG_SPAN, 1, &tag);
1936 return(1);
1937 }
1938
1939 static int
1940 mdoc__x_pre(MDOC_ARGS)
1941 {
1942 struct htmlpair tag[2];
1943 enum htmltag t;
1944
1945 t = TAG_SPAN;
1946
1947 switch (n->tok) {
1948 case MDOC__A:
1949 PAIR_CLASS_INIT(&tag[0], "ref-auth");
1950 if (n->prev && MDOC__A == n->prev->tok)
1951 if (NULL == n->next || MDOC__A != n->next->tok)
1952 print_text(h, "and");
1953 break;
1954 case MDOC__B:
1955 PAIR_CLASS_INIT(&tag[0], "ref-book");
1956 t = TAG_I;
1957 break;
1958 case MDOC__C:
1959 PAIR_CLASS_INIT(&tag[0], "ref-city");
1960 break;
1961 case MDOC__D:
1962 PAIR_CLASS_INIT(&tag[0], "ref-date");
1963 break;
1964 case MDOC__I:
1965 PAIR_CLASS_INIT(&tag[0], "ref-issue");
1966 t = TAG_I;
1967 break;
1968 case MDOC__J:
1969 PAIR_CLASS_INIT(&tag[0], "ref-jrnl");
1970 t = TAG_I;
1971 break;
1972 case MDOC__N:
1973 PAIR_CLASS_INIT(&tag[0], "ref-num");
1974 break;
1975 case MDOC__O:
1976 PAIR_CLASS_INIT(&tag[0], "ref-opt");
1977 break;
1978 case MDOC__P:
1979 PAIR_CLASS_INIT(&tag[0], "ref-page");
1980 break;
1981 case MDOC__Q:
1982 PAIR_CLASS_INIT(&tag[0], "ref-corp");
1983 break;
1984 case MDOC__R:
1985 PAIR_CLASS_INIT(&tag[0], "ref-rep");
1986 break;
1987 case MDOC__T:
1988 PAIR_CLASS_INIT(&tag[0], "ref-title");
1989 break;
1990 case MDOC__U:
1991 PAIR_CLASS_INIT(&tag[0], "link-ref");
1992 break;
1993 case MDOC__V:
1994 PAIR_CLASS_INIT(&tag[0], "ref-vol");
1995 break;
1996 default:
1997 abort();
1998 /* NOTREACHED */
1999 }
2000
2001 if (MDOC__U != n->tok) {
2002 print_otag(h, t, 1, tag);
2003 return(1);
2004 }
2005
2006 PAIR_HREF_INIT(&tag[1], n->child->string);
2007 print_otag(h, TAG_A, 2, tag);
2008
2009 return(1);
2010 }
2011
2012 static void
2013 mdoc__x_post(MDOC_ARGS)
2014 {
2015
2016 if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2017 if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2018 if (NULL == n->prev || MDOC__A != n->prev->tok)
2019 return;
2020
2021 /* TODO: %U */
2022
2023 if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2024 return;
2025
2026 h->flags |= HTML_NOSPACE;
2027 print_text(h, n->next ? "," : ".");
2028 }
2029
2030 static int
2031 mdoc_bk_pre(MDOC_ARGS)
2032 {
2033
2034 switch (n->type) {
2035 case MDOC_BLOCK:
2036 break;
2037 case MDOC_HEAD:
2038 return(0);
2039 case MDOC_BODY:
2040 if (n->parent->args || 0 == n->prev->nchild)
2041 h->flags |= HTML_PREKEEP;
2042 break;
2043 default:
2044 abort();
2045 /* NOTREACHED */
2046 }
2047
2048 return(1);
2049 }
2050
2051 static void
2052 mdoc_bk_post(MDOC_ARGS)
2053 {
2054
2055 if (MDOC_BODY == n->type)
2056 h->flags &= ~(HTML_KEEP | HTML_PREKEEP);
2057 }
2058
2059 static int
2060 mdoc_quote_pre(MDOC_ARGS)
2061 {
2062 struct htmlpair tag;
2063
2064 if (MDOC_BODY != n->type)
2065 return(1);
2066
2067 switch (n->tok) {
2068 case MDOC_Ao:
2069 /* FALLTHROUGH */
2070 case MDOC_Aq:
2071 print_text(h, "\\(la");
2072 break;
2073 case MDOC_Bro:
2074 /* FALLTHROUGH */
2075 case MDOC_Brq:
2076 print_text(h, "\\(lC");
2077 break;
2078 case MDOC_Bo:
2079 /* FALLTHROUGH */
2080 case MDOC_Bq:
2081 print_text(h, "\\(lB");
2082 break;
2083 case MDOC_Oo:
2084 /* FALLTHROUGH */
2085 case MDOC_Op:
2086 print_text(h, "\\(lB");
2087 h->flags |= HTML_NOSPACE;
2088 PAIR_CLASS_INIT(&tag, "opt");
2089 print_otag(h, TAG_SPAN, 1, &tag);
2090 break;
2091 case MDOC_En:
2092 if (NULL == n->norm->Es ||
2093 NULL == n->norm->Es->child)
2094 return(1);
2095 print_text(h, n->norm->Es->child->string);
2096 break;
2097 case MDOC_Eo:
2098 break;
2099 case MDOC_Do:
2100 /* FALLTHROUGH */
2101 case MDOC_Dq:
2102 /* FALLTHROUGH */
2103 case MDOC_Qo:
2104 /* FALLTHROUGH */
2105 case MDOC_Qq:
2106 print_text(h, "\\(lq");
2107 break;
2108 case MDOC_Po:
2109 /* FALLTHROUGH */
2110 case MDOC_Pq:
2111 print_text(h, "(");
2112 break;
2113 case MDOC_Ql:
2114 print_text(h, "\\(oq");
2115 h->flags |= HTML_NOSPACE;
2116 PAIR_CLASS_INIT(&tag, "lit");
2117 print_otag(h, TAG_CODE, 1, &tag);
2118 break;
2119 case MDOC_So:
2120 /* FALLTHROUGH */
2121 case MDOC_Sq:
2122 print_text(h, "\\(oq");
2123 break;
2124 default:
2125 abort();
2126 /* NOTREACHED */
2127 }
2128
2129 h->flags |= HTML_NOSPACE;
2130 return(1);
2131 }
2132
2133 static void
2134 mdoc_quote_post(MDOC_ARGS)
2135 {
2136
2137 if (MDOC_BODY != n->type)
2138 return;
2139
2140 if (MDOC_En != n->tok)
2141 h->flags |= HTML_NOSPACE;
2142
2143 switch (n->tok) {
2144 case MDOC_Ao:
2145 /* FALLTHROUGH */
2146 case MDOC_Aq:
2147 print_text(h, "\\(ra");
2148 break;
2149 case MDOC_Bro:
2150 /* FALLTHROUGH */
2151 case MDOC_Brq:
2152 print_text(h, "\\(rC");
2153 break;
2154 case MDOC_Oo:
2155 /* FALLTHROUGH */
2156 case MDOC_Op:
2157 /* FALLTHROUGH */
2158 case MDOC_Bo:
2159 /* FALLTHROUGH */
2160 case MDOC_Bq:
2161 print_text(h, "\\(rB");
2162 break;
2163 case MDOC_En:
2164 if (NULL != n->norm->Es &&
2165 NULL != n->norm->Es->child &&
2166 NULL != n->norm->Es->child->next) {
2167 h->flags |= HTML_NOSPACE;
2168 print_text(h, n->norm->Es->child->next->string);
2169 }
2170 break;
2171 case MDOC_Eo:
2172 break;
2173 case MDOC_Qo:
2174 /* FALLTHROUGH */
2175 case MDOC_Qq:
2176 /* FALLTHROUGH */
2177 case MDOC_Do:
2178 /* FALLTHROUGH */
2179 case MDOC_Dq:
2180 print_text(h, "\\(rq");
2181 break;
2182 case MDOC_Po:
2183 /* FALLTHROUGH */
2184 case MDOC_Pq:
2185 print_text(h, ")");
2186 break;
2187 case MDOC_Ql:
2188 /* FALLTHROUGH */
2189 case MDOC_So:
2190 /* FALLTHROUGH */
2191 case MDOC_Sq:
2192 print_text(h, "\\(cq");
2193 break;
2194 default:
2195 abort();
2196 /* NOTREACHED */
2197 }
2198 }
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