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[mandoc.git] / mdoc_html.c
1 /* $Id: mdoc_html.c,v 1.350 2022/07/06 16:05:40 schwarze Exp $ */
2 /*
3 * Copyright (c) 2014-2022 Ingo Schwarze <schwarze@openbsd.org>
4 * Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
5 * Copyright (c) 2022 Anna Vyalkova <cyber@sysrq.in>
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 AUTHORS DISCLAIM ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS 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 * HTML formatter for mdoc(7) used by mandoc(1).
20 */
21 #include "config.h"
22
23 #include <sys/types.h>
24
25 #include <assert.h>
26 #include <ctype.h>
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <string.h>
30 #include <unistd.h>
31
32 #include "mandoc_aux.h"
33 #include "mandoc.h"
34 #include "roff.h"
35 #include "mdoc.h"
36 #include "out.h"
37 #include "html.h"
38 #include "main.h"
39
40 #define MDOC_ARGS const struct roff_meta *meta, \
41 struct roff_node *n, \
42 struct html *h
43
44 #ifndef MIN
45 #define MIN(a,b) ((/*CONSTCOND*/(a)<(b))?(a):(b))
46 #endif
47
48 struct mdoc_html_act {
49 int (*pre)(MDOC_ARGS);
50 void (*post)(MDOC_ARGS);
51 };
52
53 static void print_mdoc_head(const struct roff_meta *,
54 struct html *);
55 static void print_mdoc_node(MDOC_ARGS);
56 static void print_mdoc_nodelist(MDOC_ARGS);
57 static void synopsis_pre(struct html *, struct roff_node *);
58
59 static void mdoc_root_post(const struct roff_meta *,
60 struct html *);
61 static int mdoc_root_pre(const struct roff_meta *,
62 struct html *);
63
64 static void mdoc__x_post(MDOC_ARGS);
65 static int mdoc__x_pre(MDOC_ARGS);
66 static int mdoc_abort_pre(MDOC_ARGS);
67 static int mdoc_ad_pre(MDOC_ARGS);
68 static int mdoc_an_pre(MDOC_ARGS);
69 static int mdoc_ap_pre(MDOC_ARGS);
70 static int mdoc_ar_pre(MDOC_ARGS);
71 static int mdoc_bd_pre(MDOC_ARGS);
72 static int mdoc_bf_pre(MDOC_ARGS);
73 static void mdoc_bk_post(MDOC_ARGS);
74 static int mdoc_bk_pre(MDOC_ARGS);
75 static int mdoc_bl_pre(MDOC_ARGS);
76 static int mdoc_cd_pre(MDOC_ARGS);
77 static int mdoc_code_pre(MDOC_ARGS);
78 static int mdoc_d1_pre(MDOC_ARGS);
79 static int mdoc_fa_pre(MDOC_ARGS);
80 static int mdoc_fd_pre(MDOC_ARGS);
81 static int mdoc_fl_pre(MDOC_ARGS);
82 static int mdoc_fn_pre(MDOC_ARGS);
83 static int mdoc_ft_pre(MDOC_ARGS);
84 static int mdoc_em_pre(MDOC_ARGS);
85 static void mdoc_eo_post(MDOC_ARGS);
86 static int mdoc_eo_pre(MDOC_ARGS);
87 static int mdoc_ex_pre(MDOC_ARGS);
88 static void mdoc_fo_post(MDOC_ARGS);
89 static int mdoc_fo_pre(MDOC_ARGS);
90 static int mdoc_igndelim_pre(MDOC_ARGS);
91 static int mdoc_in_pre(MDOC_ARGS);
92 static int mdoc_it_pre(MDOC_ARGS);
93 static int mdoc_lb_pre(MDOC_ARGS);
94 static int mdoc_lk_pre(MDOC_ARGS);
95 static int mdoc_mt_pre(MDOC_ARGS);
96 static int mdoc_nd_pre(MDOC_ARGS);
97 static int mdoc_nm_pre(MDOC_ARGS);
98 static int mdoc_no_pre(MDOC_ARGS);
99 static int mdoc_ns_pre(MDOC_ARGS);
100 static int mdoc_pa_pre(MDOC_ARGS);
101 static void mdoc_pf_post(MDOC_ARGS);
102 static int mdoc_pp_pre(MDOC_ARGS);
103 static void mdoc_quote_post(MDOC_ARGS);
104 static int mdoc_quote_pre(MDOC_ARGS);
105 static int mdoc_rs_pre(MDOC_ARGS);
106 static int mdoc_sh_pre(MDOC_ARGS);
107 static int mdoc_skip_pre(MDOC_ARGS);
108 static int mdoc_sm_pre(MDOC_ARGS);
109 static int mdoc_ss_pre(MDOC_ARGS);
110 static int mdoc_st_pre(MDOC_ARGS);
111 static int mdoc_sx_pre(MDOC_ARGS);
112 static int mdoc_sy_pre(MDOC_ARGS);
113 static int mdoc_tg_pre(MDOC_ARGS);
114 static int mdoc_va_pre(MDOC_ARGS);
115 static int mdoc_vt_pre(MDOC_ARGS);
116 static int mdoc_xr_pre(MDOC_ARGS);
117 static int mdoc_xx_pre(MDOC_ARGS);
118
119 static const struct mdoc_html_act mdoc_html_acts[MDOC_MAX - MDOC_Dd] = {
120 {NULL, NULL}, /* Dd */
121 {NULL, NULL}, /* Dt */
122 {NULL, NULL}, /* Os */
123 {mdoc_sh_pre, NULL }, /* Sh */
124 {mdoc_ss_pre, NULL }, /* Ss */
125 {mdoc_pp_pre, NULL}, /* Pp */
126 {mdoc_d1_pre, NULL}, /* D1 */
127 {mdoc_d1_pre, NULL}, /* Dl */
128 {mdoc_bd_pre, NULL}, /* Bd */
129 {NULL, NULL}, /* Ed */
130 {mdoc_bl_pre, NULL}, /* Bl */
131 {NULL, NULL}, /* El */
132 {mdoc_it_pre, NULL}, /* It */
133 {mdoc_ad_pre, NULL}, /* Ad */
134 {mdoc_an_pre, NULL}, /* An */
135 {mdoc_ap_pre, NULL}, /* Ap */
136 {mdoc_ar_pre, NULL}, /* Ar */
137 {mdoc_cd_pre, NULL}, /* Cd */
138 {mdoc_code_pre, NULL}, /* Cm */
139 {mdoc_code_pre, NULL}, /* Dv */
140 {mdoc_code_pre, NULL}, /* Er */
141 {mdoc_code_pre, NULL}, /* Ev */
142 {mdoc_ex_pre, NULL}, /* Ex */
143 {mdoc_fa_pre, NULL}, /* Fa */
144 {mdoc_fd_pre, NULL}, /* Fd */
145 {mdoc_fl_pre, NULL}, /* Fl */
146 {mdoc_fn_pre, NULL}, /* Fn */
147 {mdoc_ft_pre, NULL}, /* Ft */
148 {mdoc_code_pre, NULL}, /* Ic */
149 {mdoc_in_pre, NULL}, /* In */
150 {mdoc_code_pre, NULL}, /* Li */
151 {mdoc_nd_pre, NULL}, /* Nd */
152 {mdoc_nm_pre, NULL}, /* Nm */
153 {mdoc_quote_pre, mdoc_quote_post}, /* Op */
154 {mdoc_abort_pre, NULL}, /* Ot */
155 {mdoc_pa_pre, NULL}, /* Pa */
156 {mdoc_ex_pre, NULL}, /* Rv */
157 {mdoc_st_pre, NULL}, /* St */
158 {mdoc_va_pre, NULL}, /* Va */
159 {mdoc_vt_pre, NULL}, /* Vt */
160 {mdoc_xr_pre, NULL}, /* Xr */
161 {mdoc__x_pre, mdoc__x_post}, /* %A */
162 {mdoc__x_pre, mdoc__x_post}, /* %B */
163 {mdoc__x_pre, mdoc__x_post}, /* %D */
164 {mdoc__x_pre, mdoc__x_post}, /* %I */
165 {mdoc__x_pre, mdoc__x_post}, /* %J */
166 {mdoc__x_pre, mdoc__x_post}, /* %N */
167 {mdoc__x_pre, mdoc__x_post}, /* %O */
168 {mdoc__x_pre, mdoc__x_post}, /* %P */
169 {mdoc__x_pre, mdoc__x_post}, /* %R */
170 {mdoc__x_pre, mdoc__x_post}, /* %T */
171 {mdoc__x_pre, mdoc__x_post}, /* %V */
172 {NULL, NULL}, /* Ac */
173 {mdoc_quote_pre, mdoc_quote_post}, /* Ao */
174 {mdoc_quote_pre, mdoc_quote_post}, /* Aq */
175 {mdoc_xx_pre, NULL}, /* At */
176 {NULL, NULL}, /* Bc */
177 {mdoc_bf_pre, NULL}, /* Bf */
178 {mdoc_quote_pre, mdoc_quote_post}, /* Bo */
179 {mdoc_quote_pre, mdoc_quote_post}, /* Bq */
180 {mdoc_xx_pre, NULL}, /* Bsx */
181 {mdoc_xx_pre, NULL}, /* Bx */
182 {mdoc_skip_pre, NULL}, /* Db */
183 {NULL, NULL}, /* Dc */
184 {mdoc_quote_pre, mdoc_quote_post}, /* Do */
185 {mdoc_quote_pre, mdoc_quote_post}, /* Dq */
186 {NULL, NULL}, /* Ec */ /* FIXME: no space */
187 {NULL, NULL}, /* Ef */
188 {mdoc_em_pre, NULL}, /* Em */
189 {mdoc_eo_pre, mdoc_eo_post}, /* Eo */
190 {mdoc_xx_pre, NULL}, /* Fx */
191 {mdoc_no_pre, NULL}, /* Ms */
192 {mdoc_no_pre, NULL}, /* No */
193 {mdoc_ns_pre, NULL}, /* Ns */
194 {mdoc_xx_pre, NULL}, /* Nx */
195 {mdoc_xx_pre, NULL}, /* Ox */
196 {NULL, NULL}, /* Pc */
197 {mdoc_igndelim_pre, mdoc_pf_post}, /* Pf */
198 {mdoc_quote_pre, mdoc_quote_post}, /* Po */
199 {mdoc_quote_pre, mdoc_quote_post}, /* Pq */
200 {NULL, NULL}, /* Qc */
201 {mdoc_quote_pre, mdoc_quote_post}, /* Ql */
202 {mdoc_quote_pre, mdoc_quote_post}, /* Qo */
203 {mdoc_quote_pre, mdoc_quote_post}, /* Qq */
204 {NULL, NULL}, /* Re */
205 {mdoc_rs_pre, NULL}, /* Rs */
206 {NULL, NULL}, /* Sc */
207 {mdoc_quote_pre, mdoc_quote_post}, /* So */
208 {mdoc_quote_pre, mdoc_quote_post}, /* Sq */
209 {mdoc_sm_pre, NULL}, /* Sm */
210 {mdoc_sx_pre, NULL}, /* Sx */
211 {mdoc_sy_pre, NULL}, /* Sy */
212 {NULL, NULL}, /* Tn */
213 {mdoc_xx_pre, NULL}, /* Ux */
214 {NULL, NULL}, /* Xc */
215 {NULL, NULL}, /* Xo */
216 {mdoc_fo_pre, mdoc_fo_post}, /* Fo */
217 {NULL, NULL}, /* Fc */
218 {mdoc_quote_pre, mdoc_quote_post}, /* Oo */
219 {NULL, NULL}, /* Oc */
220 {mdoc_bk_pre, mdoc_bk_post}, /* Bk */
221 {NULL, NULL}, /* Ek */
222 {NULL, NULL}, /* Bt */
223 {NULL, NULL}, /* Hf */
224 {mdoc_em_pre, NULL}, /* Fr */
225 {NULL, NULL}, /* Ud */
226 {mdoc_lb_pre, NULL}, /* Lb */
227 {mdoc_abort_pre, NULL}, /* Lp */
228 {mdoc_lk_pre, NULL}, /* Lk */
229 {mdoc_mt_pre, NULL}, /* Mt */
230 {mdoc_quote_pre, mdoc_quote_post}, /* Brq */
231 {mdoc_quote_pre, mdoc_quote_post}, /* Bro */
232 {NULL, NULL}, /* Brc */
233 {mdoc__x_pre, mdoc__x_post}, /* %C */
234 {mdoc_skip_pre, NULL}, /* Es */
235 {mdoc_quote_pre, mdoc_quote_post}, /* En */
236 {mdoc_xx_pre, NULL}, /* Dx */
237 {mdoc__x_pre, mdoc__x_post}, /* %Q */
238 {mdoc__x_pre, mdoc__x_post}, /* %U */
239 {NULL, NULL}, /* Ta */
240 {mdoc_tg_pre, NULL}, /* Tg */
241 };
242
243
244 /*
245 * See the same function in mdoc_term.c for documentation.
246 */
247 static void
248 synopsis_pre(struct html *h, struct roff_node *n)
249 {
250 struct roff_node *np;
251
252 if ((n->flags & NODE_SYNPRETTY) == 0 ||
253 (np = roff_node_prev(n)) == NULL)
254 return;
255
256 if (np->tok == n->tok &&
257 MDOC_Fo != n->tok &&
258 MDOC_Ft != n->tok &&
259 MDOC_Fn != n->tok) {
260 print_otag(h, TAG_BR, "");
261 return;
262 }
263
264 switch (np->tok) {
265 case MDOC_Fd:
266 case MDOC_Fn:
267 case MDOC_Fo:
268 case MDOC_In:
269 case MDOC_Vt:
270 break;
271 case MDOC_Ft:
272 if (n->tok != MDOC_Fn && n->tok != MDOC_Fo)
273 break;
274 /* FALLTHROUGH */
275 default:
276 print_otag(h, TAG_BR, "");
277 return;
278 }
279 html_close_paragraph(h);
280 print_otag(h, TAG_P, "c", "Pp");
281 }
282
283 void
284 html_mdoc(void *arg, const struct roff_meta *mdoc)
285 {
286 struct html *h;
287 struct roff_node *n;
288 struct tag *t;
289
290 h = (struct html *)arg;
291 n = mdoc->first->child;
292
293 if ((h->oflags & HTML_FRAGMENT) == 0) {
294 print_gen_decls(h);
295 print_otag(h, TAG_HTML, "");
296 t = print_otag(h, TAG_HEAD, "");
297 print_mdoc_head(mdoc, h);
298 print_tagq(h, t);
299 if (n != NULL && n->type == ROFFT_COMMENT)
300 print_gen_comment(h, n);
301 print_otag(h, TAG_BODY, "");
302 }
303
304 mdoc_root_pre(mdoc, h);
305 t = print_otag(h, TAG_MAIN, "c", "manual-text");
306 print_mdoc_nodelist(mdoc, n, h);
307 print_tagq(h, t);
308 mdoc_root_post(mdoc, h);
309 print_tagq(h, NULL);
310 }
311
312 static void
313 print_mdoc_head(const struct roff_meta *meta, struct html *h)
314 {
315 char *cp;
316
317 print_gen_head(h);
318
319 if (meta->arch != NULL && meta->msec != NULL)
320 mandoc_asprintf(&cp, "%s(%s) (%s)", meta->title,
321 meta->msec, meta->arch);
322 else if (meta->msec != NULL)
323 mandoc_asprintf(&cp, "%s(%s)", meta->title, meta->msec);
324 else if (meta->arch != NULL)
325 mandoc_asprintf(&cp, "%s (%s)", meta->title, meta->arch);
326 else
327 cp = mandoc_strdup(meta->title);
328
329 print_otag(h, TAG_TITLE, "");
330 print_text(h, cp);
331 free(cp);
332 }
333
334 static void
335 print_mdoc_nodelist(MDOC_ARGS)
336 {
337
338 while (n != NULL) {
339 print_mdoc_node(meta, n, h);
340 n = n->next;
341 }
342 }
343
344 static void
345 print_mdoc_node(MDOC_ARGS)
346 {
347 struct tag *t;
348 int child;
349
350 if (n->type == ROFFT_COMMENT || n->flags & NODE_NOPRT)
351 return;
352
353 if ((n->flags & NODE_NOFILL) == 0)
354 html_fillmode(h, ROFF_fi);
355 else if (html_fillmode(h, ROFF_nf) == ROFF_nf &&
356 n->tok != ROFF_fi && n->flags & NODE_LINE)
357 print_endline(h);
358
359 child = 1;
360 n->flags &= ~NODE_ENDED;
361 switch (n->type) {
362 case ROFFT_TEXT:
363 if (n->flags & NODE_LINE) {
364 switch (*n->string) {
365 case '\0':
366 h->col = 1;
367 print_endline(h);
368 return;
369 case ' ':
370 if ((h->flags & HTML_NONEWLINE) == 0 &&
371 (n->flags & NODE_NOFILL) == 0)
372 print_otag(h, TAG_BR, "");
373 break;
374 default:
375 break;
376 }
377 }
378 t = h->tag;
379 t->refcnt++;
380 if (n->flags & NODE_DELIMC)
381 h->flags |= HTML_NOSPACE;
382 if (n->flags & NODE_HREF)
383 print_tagged_text(h, n->string, n);
384 else
385 print_text(h, n->string);
386 if (n->flags & NODE_DELIMO)
387 h->flags |= HTML_NOSPACE;
388 break;
389 case ROFFT_EQN:
390 t = h->tag;
391 t->refcnt++;
392 print_eqn(h, n->eqn);
393 break;
394 case ROFFT_TBL:
395 /*
396 * This will take care of initialising all of the table
397 * state data for the first table, then tearing it down
398 * for the last one.
399 */
400 print_tbl(h, n->span);
401 return;
402 default:
403 /*
404 * Close out the current table, if it's open, and unset
405 * the "meta" table state. This will be reopened on the
406 * next table element.
407 */
408 if (h->tblt != NULL)
409 print_tblclose(h);
410 assert(h->tblt == NULL);
411 t = h->tag;
412 t->refcnt++;
413 if (n->tok < ROFF_MAX) {
414 roff_html_pre(h, n);
415 t->refcnt--;
416 print_stagq(h, t);
417 return;
418 }
419 assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
420 if (mdoc_html_acts[n->tok - MDOC_Dd].pre != NULL &&
421 (n->end == ENDBODY_NOT || n->child != NULL))
422 child = (*mdoc_html_acts[n->tok - MDOC_Dd].pre)(meta,
423 n, h);
424 break;
425 }
426
427 if (h->flags & HTML_KEEP && n->flags & NODE_LINE) {
428 h->flags &= ~HTML_KEEP;
429 h->flags |= HTML_PREKEEP;
430 }
431
432 if (child && n->child != NULL)
433 print_mdoc_nodelist(meta, n->child, h);
434
435 t->refcnt--;
436 print_stagq(h, t);
437
438 switch (n->type) {
439 case ROFFT_TEXT:
440 case ROFFT_EQN:
441 break;
442 default:
443 if (mdoc_html_acts[n->tok - MDOC_Dd].post == NULL ||
444 n->flags & NODE_ENDED)
445 break;
446 (*mdoc_html_acts[n->tok - MDOC_Dd].post)(meta, n, h);
447 if (n->end != ENDBODY_NOT)
448 n->body->flags |= NODE_ENDED;
449 break;
450 }
451 }
452
453 static void
454 mdoc_root_post(const struct roff_meta *meta, struct html *h)
455 {
456 struct tag *t;
457
458 t = print_otag(h, TAG_DIV, "cr?", "foot", "doc-pagefooter",
459 "aria-label", "Manual footer line");
460
461 print_otag(h, TAG_SPAN, "c", "foot-left");
462 print_stagq(h, t);
463
464 print_otag(h, TAG_SPAN, "c", "foot-date");
465 print_text(h, meta->date);
466 print_stagq(h, t);
467
468 print_otag(h, TAG_SPAN, "c", "foot-os");
469 print_text(h, meta->os);
470 print_tagq(h, t);
471 }
472
473 static int
474 mdoc_root_pre(const struct roff_meta *meta, struct html *h)
475 {
476 struct tag *t;
477 char *volume, *title;
478
479 if (NULL == meta->arch)
480 volume = mandoc_strdup(meta->vol);
481 else
482 mandoc_asprintf(&volume, "%s (%s)",
483 meta->vol, meta->arch);
484
485 if (NULL == meta->msec)
486 title = mandoc_strdup(meta->title);
487 else
488 mandoc_asprintf(&title, "%s(%s)",
489 meta->title, meta->msec);
490
491 t = print_otag(h, TAG_DIV, "cr?", "head", "doc-pageheader",
492 "aria-label", "Manual header line");
493
494 print_otag(h, TAG_SPAN, "c", "head-ltitle");
495 print_text(h, title);
496 print_stagq(h, t);
497
498 print_otag(h, TAG_SPAN, "c", "head-vol");
499 print_text(h, volume);
500 print_stagq(h, t);
501
502 print_otag(h, TAG_SPAN, "c", "head-rtitle");
503 print_text(h, title);
504 print_tagq(h, t);
505
506 free(title);
507 free(volume);
508 return 1;
509 }
510
511 static int
512 mdoc_code_pre(MDOC_ARGS)
513 {
514 print_otag_id(h, TAG_CODE, roff_name[n->tok], n);
515 return 1;
516 }
517
518 static int
519 mdoc_sh_pre(MDOC_ARGS)
520 {
521 struct roff_node *sn, *subn;
522 struct tag *t, *tnav, *tsec, *tsub;
523 char *id;
524 int sc;
525
526 switch (n->type) {
527 case ROFFT_BLOCK:
528 html_close_paragraph(h);
529 if ((h->oflags & HTML_TOC) == 0 ||
530 h->flags & HTML_TOCDONE ||
531 n->sec <= SEC_SYNOPSIS) {
532 print_otag(h, TAG_SECTION, "c", "Sh");
533 break;
534 }
535 h->flags |= HTML_TOCDONE;
536 sc = 0;
537 for (sn = n->next; sn != NULL; sn = sn->next)
538 if (sn->sec == SEC_CUSTOM)
539 if (++sc == 2)
540 break;
541 if (sc < 2)
542 break;
543 tnav = print_otag(h, TAG_NAV, "r", "doc-toc");
544 t = print_otag(h, TAG_H2, "c", "Sh");
545 print_text(h, "TABLE OF CONTENTS");
546 print_tagq(h, t);
547 t = print_otag(h, TAG_UL, "c", "Bl-compact");
548 for (sn = n; sn != NULL; sn = sn->next) {
549 tsec = print_otag(h, TAG_LI, "");
550 id = html_make_id(sn->head, 0);
551 tsub = print_otag(h, TAG_A, "hR", id);
552 free(id);
553 print_mdoc_nodelist(meta, sn->head->child, h);
554 print_tagq(h, tsub);
555 tsub = NULL;
556 for (subn = sn->body->child; subn != NULL;
557 subn = subn->next) {
558 if (subn->tok != MDOC_Ss)
559 continue;
560 id = html_make_id(subn->head, 0);
561 if (id == NULL)
562 continue;
563 if (tsub == NULL)
564 print_otag(h, TAG_UL,
565 "c", "Bl-compact");
566 tsub = print_otag(h, TAG_LI, "");
567 print_otag(h, TAG_A, "hR", id);
568 free(id);
569 print_mdoc_nodelist(meta,
570 subn->head->child, h);
571 print_tagq(h, tsub);
572 }
573 print_tagq(h, tsec);
574 }
575 print_tagq(h, tnav);
576 print_otag(h, TAG_SECTION, "c", "Sh");
577 break;
578 case ROFFT_HEAD:
579 print_otag_id(h, TAG_H2, "Sh", n);
580 break;
581 case ROFFT_BODY:
582 if (n->sec == SEC_AUTHORS)
583 h->flags &= ~(HTML_SPLIT|HTML_NOSPLIT);
584 break;
585 default:
586 break;
587 }
588 return 1;
589 }
590
591 static int
592 mdoc_ss_pre(MDOC_ARGS)
593 {
594 switch (n->type) {
595 case ROFFT_BLOCK:
596 html_close_paragraph(h);
597 print_otag(h, TAG_SECTION, "c", "Ss");
598 break;
599 case ROFFT_HEAD:
600 print_otag_id(h, TAG_H3, "Ss", n);
601 break;
602 case ROFFT_BODY:
603 break;
604 default:
605 abort();
606 }
607 return 1;
608 }
609
610 static int
611 mdoc_fl_pre(MDOC_ARGS)
612 {
613 struct roff_node *nn;
614
615 print_otag_id(h, TAG_CODE, "Fl", n);
616 print_text(h, "\\-");
617 if (n->child != NULL ||
618 ((nn = roff_node_next(n)) != NULL &&
619 nn->type != ROFFT_TEXT &&
620 (nn->flags & NODE_LINE) == 0))
621 h->flags |= HTML_NOSPACE;
622
623 return 1;
624 }
625
626 static int
627 mdoc_nd_pre(MDOC_ARGS)
628 {
629 switch (n->type) {
630 case ROFFT_BLOCK:
631 return 1;
632 case ROFFT_HEAD:
633 return 0;
634 case ROFFT_BODY:
635 break;
636 default:
637 abort();
638 }
639 print_text(h, "\\(em");
640 print_otag(h, TAG_SPAN, "cr", "Nd", "doc-subtitle");
641 return 1;
642 }
643
644 static int
645 mdoc_nm_pre(MDOC_ARGS)
646 {
647 switch (n->type) {
648 case ROFFT_BLOCK:
649 break;
650 case ROFFT_HEAD:
651 print_otag(h, TAG_TD, "");
652 /* FALLTHROUGH */
653 case ROFFT_ELEM:
654 print_otag(h, TAG_CODE, "c", "Nm");
655 return 1;
656 case ROFFT_BODY:
657 print_otag(h, TAG_TD, "");
658 return 1;
659 default:
660 abort();
661 }
662 html_close_paragraph(h);
663 synopsis_pre(h, n);
664 print_otag(h, TAG_TABLE, "c", "Nm");
665 print_otag(h, TAG_TR, "");
666 return 1;
667 }
668
669 static int
670 mdoc_xr_pre(MDOC_ARGS)
671 {
672 char *name, *section, *label;
673
674 if (n->child == NULL)
675 return 0;
676
677 name = n->child->string;
678 if (n->child->next != NULL) {
679 section = n->child->next->string;
680 mandoc_asprintf(&label, "%s, section %s", name, section);
681 } else
682 section = label = NULL;
683
684 if (h->base_man1)
685 print_otag(h, TAG_A, "chM?", "Xr",
686 name, section, "aria-label", label);
687 else
688 print_otag(h, TAG_A, "c?", "Xr", "aria-label", label);
689
690 free(label);
691 print_text(h, name);
692
693 if (section == NULL)
694 return 0;
695
696 h->flags |= HTML_NOSPACE;
697 print_text(h, "(");
698 h->flags |= HTML_NOSPACE;
699 print_text(h, section);
700 h->flags |= HTML_NOSPACE;
701 print_text(h, ")");
702 return 0;
703 }
704
705 static int
706 mdoc_tg_pre(MDOC_ARGS)
707 {
708 char *id;
709
710 if ((id = html_make_id(n, 1)) != NULL) {
711 print_tagq(h, print_otag(h, TAG_MARK, "i", id));
712 free(id);
713 }
714 return 0;
715 }
716
717 static int
718 mdoc_ns_pre(MDOC_ARGS)
719 {
720
721 if ( ! (NODE_LINE & n->flags))
722 h->flags |= HTML_NOSPACE;
723 return 1;
724 }
725
726 static int
727 mdoc_ar_pre(MDOC_ARGS)
728 {
729 print_otag(h, TAG_VAR, "c", "Ar");
730 return 1;
731 }
732
733 static int
734 mdoc_xx_pre(MDOC_ARGS)
735 {
736 print_otag(h, TAG_SPAN, "c", "Ux");
737 return 1;
738 }
739
740 static int
741 mdoc_it_pre(MDOC_ARGS)
742 {
743 const struct roff_node *bl;
744 enum mdoc_list type;
745
746 bl = n->parent;
747 while (bl->tok != MDOC_Bl)
748 bl = bl->parent;
749 type = bl->norm->Bl.type;
750
751 switch (type) {
752 case LIST_bullet:
753 case LIST_dash:
754 case LIST_hyphen:
755 case LIST_item:
756 case LIST_enum:
757 switch (n->type) {
758 case ROFFT_HEAD:
759 return 0;
760 case ROFFT_BODY:
761 print_otag_id(h, TAG_LI, NULL, n);
762 break;
763 default:
764 break;
765 }
766 break;
767 case LIST_diag:
768 case LIST_hang:
769 case LIST_inset:
770 case LIST_ohang:
771 switch (n->type) {
772 case ROFFT_HEAD:
773 print_otag_id(h, TAG_DT, NULL, n);
774 break;
775 case ROFFT_BODY:
776 print_otag(h, TAG_DD, "");
777 break;
778 default:
779 break;
780 }
781 break;
782 case LIST_tag:
783 switch (n->type) {
784 case ROFFT_HEAD:
785 print_otag_id(h, TAG_DT, NULL, n);
786 break;
787 case ROFFT_BODY:
788 if (n->child == NULL) {
789 print_otag(h, TAG_DD, "s", "width", "auto");
790 print_text(h, "\\ ");
791 } else
792 print_otag(h, TAG_DD, "");
793 break;
794 default:
795 break;
796 }
797 break;
798 case LIST_column:
799 switch (n->type) {
800 case ROFFT_HEAD:
801 break;
802 case ROFFT_BODY:
803 print_otag(h, TAG_TD, "");
804 break;
805 default:
806 print_otag_id(h, TAG_TR, NULL, n);
807 }
808 default:
809 break;
810 }
811
812 return 1;
813 }
814
815 static int
816 mdoc_bl_pre(MDOC_ARGS)
817 {
818 char cattr[32];
819 struct mdoc_bl *bl;
820 enum htmltag elemtype;
821
822 switch (n->type) {
823 case ROFFT_BLOCK:
824 html_close_paragraph(h);
825 break;
826 case ROFFT_HEAD:
827 return 0;
828 case ROFFT_BODY:
829 return 1;
830 default:
831 abort();
832 }
833
834 bl = &n->norm->Bl;
835 switch (bl->type) {
836 case LIST_bullet:
837 elemtype = TAG_UL;
838 (void)strlcpy(cattr, "Bl-bullet", sizeof(cattr));
839 break;
840 case LIST_dash:
841 case LIST_hyphen:
842 elemtype = TAG_UL;
843 (void)strlcpy(cattr, "Bl-dash", sizeof(cattr));
844 break;
845 case LIST_item:
846 elemtype = TAG_UL;
847 (void)strlcpy(cattr, "Bl-item", sizeof(cattr));
848 break;
849 case LIST_enum:
850 elemtype = TAG_OL;
851 (void)strlcpy(cattr, "Bl-enum", sizeof(cattr));
852 break;
853 case LIST_diag:
854 elemtype = TAG_DL;
855 (void)strlcpy(cattr, "Bl-diag", sizeof(cattr));
856 break;
857 case LIST_hang:
858 elemtype = TAG_DL;
859 (void)strlcpy(cattr, "Bl-hang", sizeof(cattr));
860 break;
861 case LIST_inset:
862 elemtype = TAG_DL;
863 (void)strlcpy(cattr, "Bl-inset", sizeof(cattr));
864 break;
865 case LIST_ohang:
866 elemtype = TAG_DL;
867 (void)strlcpy(cattr, "Bl-ohang", sizeof(cattr));
868 break;
869 case LIST_tag:
870 if (bl->offs)
871 print_otag(h, TAG_DIV, "c", "Bd-indent");
872 print_otag_id(h, TAG_DL,
873 bl->comp ? "Bl-tag Bl-compact" : "Bl-tag", n->body);
874 return 1;
875 case LIST_column:
876 elemtype = TAG_TABLE;
877 (void)strlcpy(cattr, "Bl-column", sizeof(cattr));
878 break;
879 default:
880 abort();
881 }
882 if (bl->offs != NULL)
883 (void)strlcat(cattr, " Bd-indent", sizeof(cattr));
884 if (bl->comp)
885 (void)strlcat(cattr, " Bl-compact", sizeof(cattr));
886 print_otag_id(h, elemtype, cattr, n->body);
887 return 1;
888 }
889
890 static int
891 mdoc_ex_pre(MDOC_ARGS)
892 {
893 if (roff_node_prev(n) != NULL)
894 print_otag(h, TAG_BR, "");
895 return 1;
896 }
897
898 static int
899 mdoc_st_pre(MDOC_ARGS)
900 {
901 print_otag(h, TAG_SPAN, "c", "St");
902 return 1;
903 }
904
905 static int
906 mdoc_em_pre(MDOC_ARGS)
907 {
908 print_otag_id(h, TAG_I, "Em", n);
909 return 1;
910 }
911
912 static int
913 mdoc_d1_pre(MDOC_ARGS)
914 {
915 switch (n->type) {
916 case ROFFT_BLOCK:
917 html_close_paragraph(h);
918 return 1;
919 case ROFFT_HEAD:
920 return 0;
921 case ROFFT_BODY:
922 break;
923 default:
924 abort();
925 }
926 print_otag_id(h, TAG_DIV, "Bd Bd-indent", n);
927 if (n->tok == MDOC_Dl)
928 print_otag(h, TAG_CODE, "c", "Li");
929 return 1;
930 }
931
932 static int
933 mdoc_sx_pre(MDOC_ARGS)
934 {
935 char *id;
936
937 id = html_make_id(n, 0);
938 print_otag(h, TAG_A, "chR", "Sx", id);
939 free(id);
940 return 1;
941 }
942
943 static int
944 mdoc_bd_pre(MDOC_ARGS)
945 {
946 char buf[20];
947 struct roff_node *nn;
948 int comp;
949
950 switch (n->type) {
951 case ROFFT_BLOCK:
952 html_close_paragraph(h);
953 return 1;
954 case ROFFT_HEAD:
955 return 0;
956 case ROFFT_BODY:
957 break;
958 default:
959 abort();
960 }
961
962 /* Handle preceding whitespace. */
963
964 comp = n->norm->Bd.comp;
965 for (nn = n; nn != NULL && comp == 0; nn = nn->parent) {
966 if (nn->type != ROFFT_BLOCK)
967 continue;
968 if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
969 comp = 1;
970 if (roff_node_prev(nn) != NULL)
971 break;
972 }
973 (void)strlcpy(buf, "Bd", sizeof(buf));
974 if (comp == 0)
975 (void)strlcat(buf, " Pp", sizeof(buf));
976
977 /* Handle the -offset argument. */
978
979 if (n->norm->Bd.offs != NULL &&
980 strcmp(n->norm->Bd.offs, "left") != 0)
981 (void)strlcat(buf, " Bd-indent", sizeof(buf));
982
983 if (n->norm->Bd.type == DISP_literal)
984 (void)strlcat(buf, " Li", sizeof(buf));
985
986 print_otag_id(h, TAG_DIV, buf, n);
987 return 1;
988 }
989
990 static int
991 mdoc_pa_pre(MDOC_ARGS)
992 {
993 print_otag(h, TAG_SPAN, "c", "Pa");
994 return 1;
995 }
996
997 static int
998 mdoc_ad_pre(MDOC_ARGS)
999 {
1000 print_otag(h, TAG_SPAN, "c", "Ad");
1001 return 1;
1002 }
1003
1004 static int
1005 mdoc_an_pre(MDOC_ARGS)
1006 {
1007 if (n->norm->An.auth == AUTH_split) {
1008 h->flags &= ~HTML_NOSPLIT;
1009 h->flags |= HTML_SPLIT;
1010 return 0;
1011 }
1012 if (n->norm->An.auth == AUTH_nosplit) {
1013 h->flags &= ~HTML_SPLIT;
1014 h->flags |= HTML_NOSPLIT;
1015 return 0;
1016 }
1017
1018 if (h->flags & HTML_SPLIT)
1019 print_otag(h, TAG_BR, "");
1020
1021 if (n->sec == SEC_AUTHORS && ! (h->flags & HTML_NOSPLIT))
1022 h->flags |= HTML_SPLIT;
1023
1024 print_otag(h, TAG_SPAN, "c", "An");
1025 return 1;
1026 }
1027
1028 static int
1029 mdoc_cd_pre(MDOC_ARGS)
1030 {
1031 synopsis_pre(h, n);
1032 print_otag(h, TAG_CODE, "c", "Cd");
1033 return 1;
1034 }
1035
1036 static int
1037 mdoc_fa_pre(MDOC_ARGS)
1038 {
1039 const struct roff_node *nn;
1040 struct tag *t;
1041
1042 if (n->parent->tok != MDOC_Fo) {
1043 print_otag(h, TAG_VAR, "c", "Fa");
1044 return 1;
1045 }
1046 for (nn = n->child; nn != NULL; nn = nn->next) {
1047 t = print_otag(h, TAG_VAR, "c", "Fa");
1048 print_text(h, nn->string);
1049 print_tagq(h, t);
1050 if (nn->next != NULL) {
1051 h->flags |= HTML_NOSPACE;
1052 print_text(h, ",");
1053 }
1054 }
1055 if (n->child != NULL &&
1056 (nn = roff_node_next(n)) != NULL &&
1057 nn->tok == MDOC_Fa) {
1058 h->flags |= HTML_NOSPACE;
1059 print_text(h, ",");
1060 }
1061 return 0;
1062 }
1063
1064 static int
1065 mdoc_fd_pre(MDOC_ARGS)
1066 {
1067 struct tag *t;
1068 char *buf, *cp;
1069
1070 synopsis_pre(h, n);
1071
1072 if (NULL == (n = n->child))
1073 return 0;
1074
1075 assert(n->type == ROFFT_TEXT);
1076
1077 if (strcmp(n->string, "#include")) {
1078 print_otag(h, TAG_CODE, "c", "Fd");
1079 return 1;
1080 }
1081
1082 print_otag(h, TAG_CODE, "c", "In");
1083 print_text(h, n->string);
1084
1085 if (NULL != (n = n->next)) {
1086 assert(n->type == ROFFT_TEXT);
1087
1088 if (h->base_includes) {
1089 cp = n->string;
1090 if (*cp == '<' || *cp == '"')
1091 cp++;
1092 buf = mandoc_strdup(cp);
1093 cp = strchr(buf, '\0') - 1;
1094 if (cp >= buf && (*cp == '>' || *cp == '"'))
1095 *cp = '\0';
1096 t = print_otag(h, TAG_A, "chI", "In", buf);
1097 free(buf);
1098 } else
1099 t = print_otag(h, TAG_A, "c", "In");
1100
1101 print_text(h, n->string);
1102 print_tagq(h, t);
1103
1104 n = n->next;
1105 }
1106
1107 for ( ; n; n = n->next) {
1108 assert(n->type == ROFFT_TEXT);
1109 print_text(h, n->string);
1110 }
1111
1112 return 0;
1113 }
1114
1115 static int
1116 mdoc_vt_pre(MDOC_ARGS)
1117 {
1118 if (n->type == ROFFT_BLOCK) {
1119 synopsis_pre(h, n);
1120 return 1;
1121 } else if (n->type == ROFFT_ELEM) {
1122 synopsis_pre(h, n);
1123 } else if (n->type == ROFFT_HEAD)
1124 return 0;
1125
1126 print_otag(h, TAG_VAR, "c", "Vt");
1127 return 1;
1128 }
1129
1130 static int
1131 mdoc_ft_pre(MDOC_ARGS)
1132 {
1133 synopsis_pre(h, n);
1134 print_otag(h, TAG_VAR, "c", "Ft");
1135 return 1;
1136 }
1137
1138 static int
1139 mdoc_fn_pre(MDOC_ARGS)
1140 {
1141 struct tag *t;
1142 char nbuf[BUFSIZ];
1143 const char *sp, *ep;
1144 int sz, pretty;
1145
1146 pretty = NODE_SYNPRETTY & n->flags;
1147 synopsis_pre(h, n);
1148
1149 /* Split apart into type and name. */
1150 assert(n->child->string);
1151 sp = n->child->string;
1152
1153 ep = strchr(sp, ' ');
1154 if (NULL != ep) {
1155 t = print_otag(h, TAG_VAR, "c", "Ft");
1156
1157 while (ep) {
1158 sz = MIN((int)(ep - sp), BUFSIZ - 1);
1159 (void)memcpy(nbuf, sp, (size_t)sz);
1160 nbuf[sz] = '\0';
1161 print_text(h, nbuf);
1162 sp = ++ep;
1163 ep = strchr(sp, ' ');
1164 }
1165 print_tagq(h, t);
1166 }
1167
1168 t = print_otag_id(h, TAG_CODE, "Fn", n);
1169
1170 if (sp)
1171 print_text(h, sp);
1172
1173 print_tagq(h, t);
1174
1175 h->flags |= HTML_NOSPACE;
1176 print_text(h, "(");
1177 h->flags |= HTML_NOSPACE;
1178
1179 for (n = n->child->next; n; n = n->next) {
1180 if (NODE_SYNPRETTY & n->flags)
1181 t = print_otag(h, TAG_VAR, "cs", "Fa",
1182 "white-space", "nowrap");
1183 else
1184 t = print_otag(h, TAG_VAR, "c", "Fa");
1185 print_text(h, n->string);
1186 print_tagq(h, t);
1187 if (n->next) {
1188 h->flags |= HTML_NOSPACE;
1189 print_text(h, ",");
1190 }
1191 }
1192
1193 h->flags |= HTML_NOSPACE;
1194 print_text(h, ")");
1195
1196 if (pretty) {
1197 h->flags |= HTML_NOSPACE;
1198 print_text(h, ";");
1199 }
1200
1201 return 0;
1202 }
1203
1204 static int
1205 mdoc_sm_pre(MDOC_ARGS)
1206 {
1207
1208 if (NULL == n->child)
1209 h->flags ^= HTML_NONOSPACE;
1210 else if (0 == strcmp("on", n->child->string))
1211 h->flags &= ~HTML_NONOSPACE;
1212 else
1213 h->flags |= HTML_NONOSPACE;
1214
1215 if ( ! (HTML_NONOSPACE & h->flags))
1216 h->flags &= ~HTML_NOSPACE;
1217
1218 return 0;
1219 }
1220
1221 static int
1222 mdoc_skip_pre(MDOC_ARGS)
1223 {
1224
1225 return 0;
1226 }
1227
1228 static int
1229 mdoc_pp_pre(MDOC_ARGS)
1230 {
1231 char *id;
1232
1233 if (n->flags & NODE_NOFILL) {
1234 print_endline(h);
1235 if (n->flags & NODE_ID)
1236 mdoc_tg_pre(meta, n, h);
1237 else {
1238 h->col = 1;
1239 print_endline(h);
1240 }
1241 } else {
1242 html_close_paragraph(h);
1243 id = n->flags & NODE_ID ? html_make_id(n, 1) : NULL;
1244 print_otag(h, TAG_P, "ci", "Pp", id);
1245 free(id);
1246 }
1247 return 0;
1248 }
1249
1250 static int
1251 mdoc_lk_pre(MDOC_ARGS)
1252 {
1253 const struct roff_node *link, *descr, *punct;
1254 struct tag *t;
1255
1256 if ((link = n->child) == NULL)
1257 return 0;
1258
1259 /* Find beginning of trailing punctuation. */
1260 punct = n->last;
1261 while (punct != link && punct->flags & NODE_DELIMC)
1262 punct = punct->prev;
1263 punct = punct->next;
1264
1265 /* Link target and link text. */
1266 descr = link->next;
1267 if (descr == punct)
1268 descr = link; /* no text */
1269 t = print_otag(h, TAG_A, "ch", "Lk", link->string);
1270 do {
1271 if (descr->flags & (NODE_DELIMC | NODE_DELIMO))
1272 h->flags |= HTML_NOSPACE;
1273 print_text(h, descr->string);
1274 descr = descr->next;
1275 } while (descr != punct);
1276 print_tagq(h, t);
1277
1278 /* Trailing punctuation. */
1279 while (punct != NULL) {
1280 h->flags |= HTML_NOSPACE;
1281 print_text(h, punct->string);
1282 punct = punct->next;
1283 }
1284 return 0;
1285 }
1286
1287 static int
1288 mdoc_mt_pre(MDOC_ARGS)
1289 {
1290 struct tag *t;
1291 char *cp;
1292
1293 for (n = n->child; n; n = n->next) {
1294 assert(n->type == ROFFT_TEXT);
1295 mandoc_asprintf(&cp, "mailto:%s", n->string);
1296 t = print_otag(h, TAG_A, "ch", "Mt", cp);
1297 print_text(h, n->string);
1298 print_tagq(h, t);
1299 free(cp);
1300 }
1301 return 0;
1302 }
1303
1304 static int
1305 mdoc_fo_pre(MDOC_ARGS)
1306 {
1307 struct tag *t;
1308
1309 switch (n->type) {
1310 case ROFFT_BLOCK:
1311 synopsis_pre(h, n);
1312 return 1;
1313 case ROFFT_HEAD:
1314 if (n->child != NULL) {
1315 t = print_otag_id(h, TAG_CODE, "Fn", n);
1316 print_text(h, n->child->string);
1317 print_tagq(h, t);
1318 }
1319 return 0;
1320 case ROFFT_BODY:
1321 h->flags |= HTML_NOSPACE;
1322 print_text(h, "(");
1323 h->flags |= HTML_NOSPACE;
1324 return 1;
1325 default:
1326 abort();
1327 }
1328 }
1329
1330 static void
1331 mdoc_fo_post(MDOC_ARGS)
1332 {
1333 if (n->type != ROFFT_BODY)
1334 return;
1335 h->flags |= HTML_NOSPACE;
1336 print_text(h, ")");
1337 h->flags |= HTML_NOSPACE;
1338 print_text(h, ";");
1339 }
1340
1341 static int
1342 mdoc_in_pre(MDOC_ARGS)
1343 {
1344 struct tag *t;
1345
1346 synopsis_pre(h, n);
1347 print_otag(h, TAG_CODE, "c", "In");
1348
1349 /*
1350 * The first argument of the `In' gets special treatment as
1351 * being a linked value. Subsequent values are printed
1352 * afterward. groff does similarly. This also handles the case
1353 * of no children.
1354 */
1355
1356 if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags)
1357 print_text(h, "#include");
1358
1359 print_text(h, "<");
1360 h->flags |= HTML_NOSPACE;
1361
1362 if (NULL != (n = n->child)) {
1363 assert(n->type == ROFFT_TEXT);
1364
1365 if (h->base_includes)
1366 t = print_otag(h, TAG_A, "chI", "In", n->string);
1367 else
1368 t = print_otag(h, TAG_A, "c", "In");
1369 print_text(h, n->string);
1370 print_tagq(h, t);
1371
1372 n = n->next;
1373 }
1374
1375 h->flags |= HTML_NOSPACE;
1376 print_text(h, ">");
1377
1378 for ( ; n; n = n->next) {
1379 assert(n->type == ROFFT_TEXT);
1380 print_text(h, n->string);
1381 }
1382 return 0;
1383 }
1384
1385 static int
1386 mdoc_va_pre(MDOC_ARGS)
1387 {
1388 print_otag(h, TAG_VAR, "c", "Va");
1389 return 1;
1390 }
1391
1392 static int
1393 mdoc_ap_pre(MDOC_ARGS)
1394 {
1395 h->flags |= HTML_NOSPACE;
1396 print_text(h, "\\(aq");
1397 h->flags |= HTML_NOSPACE;
1398 return 1;
1399 }
1400
1401 static int
1402 mdoc_bf_pre(MDOC_ARGS)
1403 {
1404 const char *cattr;
1405
1406 switch (n->type) {
1407 case ROFFT_BLOCK:
1408 html_close_paragraph(h);
1409 return 1;
1410 case ROFFT_HEAD:
1411 return 0;
1412 case ROFFT_BODY:
1413 break;
1414 default:
1415 abort();
1416 }
1417
1418 if (FONT_Em == n->norm->Bf.font)
1419 cattr = "Bf Em";
1420 else if (FONT_Sy == n->norm->Bf.font)
1421 cattr = "Bf Sy";
1422 else if (FONT_Li == n->norm->Bf.font)
1423 cattr = "Bf Li";
1424 else
1425 cattr = "Bf No";
1426
1427 /* Cannot use TAG_SPAN because it may contain blocks. */
1428 print_otag(h, TAG_DIV, "c", cattr);
1429 return 1;
1430 }
1431
1432 static int
1433 mdoc_igndelim_pre(MDOC_ARGS)
1434 {
1435 h->flags |= HTML_IGNDELIM;
1436 return 1;
1437 }
1438
1439 static void
1440 mdoc_pf_post(MDOC_ARGS)
1441 {
1442 if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1443 h->flags |= HTML_NOSPACE;
1444 }
1445
1446 static int
1447 mdoc_rs_pre(MDOC_ARGS)
1448 {
1449 switch (n->type) {
1450 case ROFFT_BLOCK:
1451 if (n->sec == SEC_SEE_ALSO)
1452 html_close_paragraph(h);
1453 break;
1454 case ROFFT_HEAD:
1455 return 0;
1456 case ROFFT_BODY:
1457 if (n->sec == SEC_SEE_ALSO)
1458 print_otag(h, TAG_P, "c", "Pp");
1459 print_otag(h, TAG_CITE, "c", "Rs");
1460 break;
1461 default:
1462 abort();
1463 }
1464 return 1;
1465 }
1466
1467 static int
1468 mdoc_no_pre(MDOC_ARGS)
1469 {
1470 print_otag_id(h, TAG_SPAN, roff_name[n->tok], n);
1471 return 1;
1472 }
1473
1474 static int
1475 mdoc_sy_pre(MDOC_ARGS)
1476 {
1477 print_otag_id(h, TAG_B, "Sy", n);
1478 return 1;
1479 }
1480
1481 static int
1482 mdoc_lb_pre(MDOC_ARGS)
1483 {
1484 if (n->sec == SEC_LIBRARY &&
1485 n->flags & NODE_LINE &&
1486 roff_node_prev(n) != NULL)
1487 print_otag(h, TAG_BR, "");
1488
1489 print_otag(h, TAG_SPAN, "c", "Lb");
1490 return 1;
1491 }
1492
1493 static int
1494 mdoc__x_pre(MDOC_ARGS)
1495 {
1496 struct roff_node *nn;
1497 const char *cattr;
1498 enum htmltag t;
1499
1500 t = TAG_SPAN;
1501
1502 switch (n->tok) {
1503 case MDOC__A:
1504 cattr = "RsA";
1505 if ((nn = roff_node_prev(n)) != NULL && nn->tok == MDOC__A &&
1506 ((nn = roff_node_next(n)) == NULL || nn->tok != MDOC__A))
1507 print_text(h, "and");
1508 break;
1509 case MDOC__B:
1510 t = TAG_I;
1511 cattr = "RsB";
1512 break;
1513 case MDOC__C:
1514 cattr = "RsC";
1515 break;
1516 case MDOC__D:
1517 cattr = "RsD";
1518 break;
1519 case MDOC__I:
1520 t = TAG_I;
1521 cattr = "RsI";
1522 break;
1523 case MDOC__J:
1524 t = TAG_I;
1525 cattr = "RsJ";
1526 break;
1527 case MDOC__N:
1528 cattr = "RsN";
1529 break;
1530 case MDOC__O:
1531 cattr = "RsO";
1532 break;
1533 case MDOC__P:
1534 cattr = "RsP";
1535 break;
1536 case MDOC__Q:
1537 cattr = "RsQ";
1538 break;
1539 case MDOC__R:
1540 cattr = "RsR";
1541 break;
1542 case MDOC__T:
1543 cattr = "RsT";
1544 break;
1545 case MDOC__U:
1546 print_otag(h, TAG_A, "ch", "RsU", n->child->string);
1547 return 1;
1548 case MDOC__V:
1549 cattr = "RsV";
1550 break;
1551 default:
1552 abort();
1553 }
1554
1555 print_otag(h, t, "c", cattr);
1556 return 1;
1557 }
1558
1559 static void
1560 mdoc__x_post(MDOC_ARGS)
1561 {
1562 struct roff_node *nn;
1563
1564 if (n->tok == MDOC__A &&
1565 (nn = roff_node_next(n)) != NULL && nn->tok == MDOC__A &&
1566 ((nn = roff_node_next(nn)) == NULL || nn->tok != MDOC__A) &&
1567 ((nn = roff_node_prev(n)) == NULL || nn->tok != MDOC__A))
1568 return;
1569
1570 /* TODO: %U */
1571
1572 if (n->parent == NULL || n->parent->tok != MDOC_Rs)
1573 return;
1574
1575 h->flags |= HTML_NOSPACE;
1576 print_text(h, roff_node_next(n) ? "," : ".");
1577 }
1578
1579 static int
1580 mdoc_bk_pre(MDOC_ARGS)
1581 {
1582
1583 switch (n->type) {
1584 case ROFFT_BLOCK:
1585 break;
1586 case ROFFT_HEAD:
1587 return 0;
1588 case ROFFT_BODY:
1589 if (n->parent->args != NULL || n->prev->child == NULL)
1590 h->flags |= HTML_PREKEEP;
1591 break;
1592 default:
1593 abort();
1594 }
1595
1596 return 1;
1597 }
1598
1599 static void
1600 mdoc_bk_post(MDOC_ARGS)
1601 {
1602
1603 if (n->type == ROFFT_BODY)
1604 h->flags &= ~(HTML_KEEP | HTML_PREKEEP);
1605 }
1606
1607 static int
1608 mdoc_quote_pre(MDOC_ARGS)
1609 {
1610 if (n->type != ROFFT_BODY)
1611 return 1;
1612
1613 switch (n->tok) {
1614 case MDOC_Ao:
1615 case MDOC_Aq:
1616 print_text(h, n->child != NULL && n->child->next == NULL &&
1617 n->child->tok == MDOC_Mt ? "<" : "\\(la");
1618 break;
1619 case MDOC_Bro:
1620 case MDOC_Brq:
1621 print_text(h, "\\(lC");
1622 break;
1623 case MDOC_Bo:
1624 case MDOC_Bq:
1625 print_text(h, "\\(lB");
1626 break;
1627 case MDOC_Oo:
1628 case MDOC_Op:
1629 print_text(h, "\\(lB");
1630 /*
1631 * Give up on semantic markup for now.
1632 * We cannot use TAG_SPAN because .Oo may contain blocks.
1633 * We cannot use TAG_DIV because we might be in a
1634 * phrasing context (like .Dl or .Pp); we cannot
1635 * close out a .Pp at this point either because
1636 * that would break the line.
1637 */
1638 /* XXX print_otag(h, TAG_???, "c", "Op"); */
1639 break;
1640 case MDOC_En:
1641 if (NULL == n->norm->Es ||
1642 NULL == n->norm->Es->child)
1643 return 1;
1644 print_text(h, n->norm->Es->child->string);
1645 break;
1646 case MDOC_Do:
1647 case MDOC_Dq:
1648 print_text(h, "\\(lq");
1649 break;
1650 case MDOC_Qo:
1651 case MDOC_Qq:
1652 print_text(h, "\"");
1653 break;
1654 case MDOC_Po:
1655 case MDOC_Pq:
1656 print_text(h, "(");
1657 break;
1658 case MDOC_Ql:
1659 print_text(h, "\\(oq");
1660 h->flags |= HTML_NOSPACE;
1661 print_otag(h, TAG_CODE, "c", "Li");
1662 break;
1663 case MDOC_So:
1664 case MDOC_Sq:
1665 print_text(h, "\\(oq");
1666 break;
1667 default:
1668 abort();
1669 }
1670
1671 h->flags |= HTML_NOSPACE;
1672 return 1;
1673 }
1674
1675 static void
1676 mdoc_quote_post(MDOC_ARGS)
1677 {
1678
1679 if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1680 return;
1681
1682 h->flags |= HTML_NOSPACE;
1683
1684 switch (n->tok) {
1685 case MDOC_Ao:
1686 case MDOC_Aq:
1687 print_text(h, n->child != NULL && n->child->next == NULL &&
1688 n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1689 break;
1690 case MDOC_Bro:
1691 case MDOC_Brq:
1692 print_text(h, "\\(rC");
1693 break;
1694 case MDOC_Oo:
1695 case MDOC_Op:
1696 case MDOC_Bo:
1697 case MDOC_Bq:
1698 print_text(h, "\\(rB");
1699 break;
1700 case MDOC_En:
1701 if (n->norm->Es == NULL ||
1702 n->norm->Es->child == NULL ||
1703 n->norm->Es->child->next == NULL)
1704 h->flags &= ~HTML_NOSPACE;
1705 else
1706 print_text(h, n->norm->Es->child->next->string);
1707 break;
1708 case MDOC_Do:
1709 case MDOC_Dq:
1710 print_text(h, "\\(rq");
1711 break;
1712 case MDOC_Qo:
1713 case MDOC_Qq:
1714 print_text(h, "\"");
1715 break;
1716 case MDOC_Po:
1717 case MDOC_Pq:
1718 print_text(h, ")");
1719 break;
1720 case MDOC_Ql:
1721 case MDOC_So:
1722 case MDOC_Sq:
1723 print_text(h, "\\(cq");
1724 break;
1725 default:
1726 abort();
1727 }
1728 }
1729
1730 static int
1731 mdoc_eo_pre(MDOC_ARGS)
1732 {
1733
1734 if (n->type != ROFFT_BODY)
1735 return 1;
1736
1737 if (n->end == ENDBODY_NOT &&
1738 n->parent->head->child == NULL &&
1739 n->child != NULL &&
1740 n->child->end != ENDBODY_NOT)
1741 print_text(h, "\\&");
1742 else if (n->end != ENDBODY_NOT ? n->child != NULL :
1743 n->parent->head->child != NULL && (n->child != NULL ||
1744 (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1745 h->flags |= HTML_NOSPACE;
1746 return 1;
1747 }
1748
1749 static void
1750 mdoc_eo_post(MDOC_ARGS)
1751 {
1752 int body, tail;
1753
1754 if (n->type != ROFFT_BODY)
1755 return;
1756
1757 if (n->end != ENDBODY_NOT) {
1758 h->flags &= ~HTML_NOSPACE;
1759 return;
1760 }
1761
1762 body = n->child != NULL || n->parent->head->child != NULL;
1763 tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1764
1765 if (body && tail)
1766 h->flags |= HTML_NOSPACE;
1767 else if ( ! tail)
1768 h->flags &= ~HTML_NOSPACE;
1769 }
1770
1771 static int
1772 mdoc_abort_pre(MDOC_ARGS)
1773 {
1774 abort();
1775 }
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