1 /* $OpenBSD: mdoc_html.c,v 1.228 2025/01/25 00:19:23 schwarze Exp $ */
2 /*
3 * Copyright (c) 2014-2022, 2025 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 <sys/types.h>
22
23 #include <assert.h>
24 #include <ctype.h>
25 #include <stdio.h>
26 #include <stdlib.h>
27 #include <string.h>
28 #include <unistd.h>
29
30 #include "mandoc_aux.h"
31 #include "mandoc.h"
32 #include "roff.h"
33 #include "mdoc.h"
34 #include "out.h"
35 #include "html.h"
36 #include "main.h"
37
38 #define MDOC_ARGS const struct roff_meta *meta, \
39 struct roff_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 mdoc_html_act {
47 int (*pre)(MDOC_ARGS);
48 void (*post)(MDOC_ARGS);
49 };
50
51 static void print_mdoc_head(const struct roff_meta *,
52 struct html *);
53 static void print_mdoc_node(MDOC_ARGS);
54 static void print_mdoc_nodelist(MDOC_ARGS);
55 static void synopsis_pre(struct html *, struct roff_node *);
56
57 static void mdoc_root_post(const struct roff_meta *,
58 struct html *);
59 static int mdoc_root_pre(const struct roff_meta *,
60 struct html *);
61
62 static void mdoc__x_post(MDOC_ARGS);
63 static int mdoc__x_pre(MDOC_ARGS);
64 static int mdoc_abort_pre(MDOC_ARGS);
65 static int mdoc_ad_pre(MDOC_ARGS);
66 static int mdoc_an_pre(MDOC_ARGS);
67 static int mdoc_ap_pre(MDOC_ARGS);
68 static int mdoc_ar_pre(MDOC_ARGS);
69 static int mdoc_bd_pre(MDOC_ARGS);
70 static int mdoc_bf_pre(MDOC_ARGS);
71 static void mdoc_bk_post(MDOC_ARGS);
72 static int mdoc_bk_pre(MDOC_ARGS);
73 static int mdoc_bl_pre(MDOC_ARGS);
74 static int mdoc_cd_pre(MDOC_ARGS);
75 static int mdoc_code_pre(MDOC_ARGS);
76 static int mdoc_d1_pre(MDOC_ARGS);
77 static int mdoc_fa_pre(MDOC_ARGS);
78 static int mdoc_fd_pre(MDOC_ARGS);
79 static int mdoc_fl_pre(MDOC_ARGS);
80 static int mdoc_fn_pre(MDOC_ARGS);
81 static int mdoc_ft_pre(MDOC_ARGS);
82 static int mdoc_em_pre(MDOC_ARGS);
83 static void mdoc_eo_post(MDOC_ARGS);
84 static int mdoc_eo_pre(MDOC_ARGS);
85 static int mdoc_ex_pre(MDOC_ARGS);
86 static void mdoc_fo_post(MDOC_ARGS);
87 static int mdoc_fo_pre(MDOC_ARGS);
88 static int mdoc_igndelim_pre(MDOC_ARGS);
89 static int mdoc_in_pre(MDOC_ARGS);
90 static int mdoc_it_pre(MDOC_ARGS);
91 static int mdoc_lb_pre(MDOC_ARGS);
92 static int mdoc_lk_pre(MDOC_ARGS);
93 static int mdoc_mt_pre(MDOC_ARGS);
94 static int mdoc_nd_pre(MDOC_ARGS);
95 static int mdoc_nm_pre(MDOC_ARGS);
96 static int mdoc_no_pre(MDOC_ARGS);
97 static int mdoc_ns_pre(MDOC_ARGS);
98 static int mdoc_pa_pre(MDOC_ARGS);
99 static void mdoc_pf_post(MDOC_ARGS);
100 static int mdoc_pp_pre(MDOC_ARGS);
101 static void mdoc_quote_post(MDOC_ARGS);
102 static int mdoc_quote_pre(MDOC_ARGS);
103 static int mdoc_rs_pre(MDOC_ARGS);
104 static int mdoc_sh_pre(MDOC_ARGS);
105 static int mdoc_skip_pre(MDOC_ARGS);
106 static int mdoc_sm_pre(MDOC_ARGS);
107 static int mdoc_ss_pre(MDOC_ARGS);
108 static int mdoc_st_pre(MDOC_ARGS);
109 static int mdoc_sx_pre(MDOC_ARGS);
110 static int mdoc_sy_pre(MDOC_ARGS);
111 static int mdoc_tg_pre(MDOC_ARGS);
112 static int mdoc_va_pre(MDOC_ARGS);
113 static int mdoc_vt_pre(MDOC_ARGS);
114 static int mdoc_xr_pre(MDOC_ARGS);
115 static int mdoc_xx_pre(MDOC_ARGS);
116
117 static const struct mdoc_html_act mdoc_html_acts[MDOC_MAX - MDOC_Dd] = {
118 {NULL, NULL}, /* Dd */
119 {NULL, NULL}, /* Dt */
120 {NULL, NULL}, /* Os */
121 {mdoc_sh_pre, NULL }, /* Sh */
122 {mdoc_ss_pre, NULL }, /* Ss */
123 {mdoc_pp_pre, NULL}, /* Pp */
124 {mdoc_d1_pre, NULL}, /* D1 */
125 {mdoc_d1_pre, NULL}, /* Dl */
126 {mdoc_bd_pre, NULL}, /* Bd */
127 {NULL, NULL}, /* Ed */
128 {mdoc_bl_pre, NULL}, /* Bl */
129 {NULL, NULL}, /* El */
130 {mdoc_it_pre, NULL}, /* It */
131 {mdoc_ad_pre, NULL}, /* Ad */
132 {mdoc_an_pre, NULL}, /* An */
133 {mdoc_ap_pre, NULL}, /* Ap */
134 {mdoc_ar_pre, NULL}, /* Ar */
135 {mdoc_cd_pre, NULL}, /* Cd */
136 {mdoc_code_pre, NULL}, /* Cm */
137 {mdoc_code_pre, NULL}, /* Dv */
138 {mdoc_code_pre, NULL}, /* Er */
139 {mdoc_code_pre, NULL}, /* Ev */
140 {mdoc_ex_pre, NULL}, /* Ex */
141 {mdoc_fa_pre, NULL}, /* Fa */
142 {mdoc_fd_pre, NULL}, /* Fd */
143 {mdoc_fl_pre, NULL}, /* Fl */
144 {mdoc_fn_pre, NULL}, /* Fn */
145 {mdoc_ft_pre, NULL}, /* Ft */
146 {mdoc_code_pre, NULL}, /* Ic */
147 {mdoc_in_pre, NULL}, /* In */
148 {mdoc_code_pre, NULL}, /* Li */
149 {mdoc_nd_pre, NULL}, /* Nd */
150 {mdoc_nm_pre, NULL}, /* Nm */
151 {mdoc_quote_pre, mdoc_quote_post}, /* Op */
152 {mdoc_abort_pre, NULL}, /* Ot */
153 {mdoc_pa_pre, NULL}, /* Pa */
154 {mdoc_ex_pre, NULL}, /* Rv */
155 {mdoc_st_pre, NULL}, /* St */
156 {mdoc_va_pre, NULL}, /* Va */
157 {mdoc_vt_pre, NULL}, /* Vt */
158 {mdoc_xr_pre, NULL}, /* Xr */
159 {mdoc__x_pre, mdoc__x_post}, /* %A */
160 {mdoc__x_pre, mdoc__x_post}, /* %B */
161 {mdoc__x_pre, mdoc__x_post}, /* %D */
162 {mdoc__x_pre, mdoc__x_post}, /* %I */
163 {mdoc__x_pre, mdoc__x_post}, /* %J */
164 {mdoc__x_pre, mdoc__x_post}, /* %N */
165 {mdoc__x_pre, mdoc__x_post}, /* %O */
166 {mdoc__x_pre, mdoc__x_post}, /* %P */
167 {mdoc__x_pre, mdoc__x_post}, /* %R */
168 {mdoc__x_pre, mdoc__x_post}, /* %T */
169 {mdoc__x_pre, mdoc__x_post}, /* %V */
170 {NULL, NULL}, /* Ac */
171 {mdoc_quote_pre, mdoc_quote_post}, /* Ao */
172 {mdoc_quote_pre, mdoc_quote_post}, /* Aq */
173 {mdoc_xx_pre, NULL}, /* At */
174 {NULL, NULL}, /* Bc */
175 {mdoc_bf_pre, NULL}, /* Bf */
176 {mdoc_quote_pre, mdoc_quote_post}, /* Bo */
177 {mdoc_quote_pre, mdoc_quote_post}, /* Bq */
178 {mdoc_xx_pre, NULL}, /* Bsx */
179 {mdoc_xx_pre, NULL}, /* Bx */
180 {mdoc_skip_pre, NULL}, /* Db */
181 {NULL, NULL}, /* Dc */
182 {mdoc_quote_pre, mdoc_quote_post}, /* Do */
183 {mdoc_quote_pre, mdoc_quote_post}, /* Dq */
184 {NULL, NULL}, /* Ec */ /* FIXME: no space */
185 {NULL, NULL}, /* Ef */
186 {mdoc_em_pre, NULL}, /* Em */
187 {mdoc_eo_pre, mdoc_eo_post}, /* Eo */
188 {mdoc_xx_pre, NULL}, /* Fx */
189 {mdoc_no_pre, NULL}, /* Ms */
190 {mdoc_no_pre, NULL}, /* No */
191 {mdoc_ns_pre, NULL}, /* Ns */
192 {mdoc_xx_pre, NULL}, /* Nx */
193 {mdoc_xx_pre, NULL}, /* Ox */
194 {NULL, NULL}, /* Pc */
195 {mdoc_igndelim_pre, mdoc_pf_post}, /* Pf */
196 {mdoc_quote_pre, mdoc_quote_post}, /* Po */
197 {mdoc_quote_pre, mdoc_quote_post}, /* Pq */
198 {NULL, NULL}, /* Qc */
199 {mdoc_quote_pre, mdoc_quote_post}, /* Ql */
200 {mdoc_quote_pre, mdoc_quote_post}, /* Qo */
201 {mdoc_quote_pre, mdoc_quote_post}, /* Qq */
202 {NULL, NULL}, /* Re */
203 {mdoc_rs_pre, NULL}, /* Rs */
204 {NULL, NULL}, /* Sc */
205 {mdoc_quote_pre, mdoc_quote_post}, /* So */
206 {mdoc_quote_pre, mdoc_quote_post}, /* Sq */
207 {mdoc_sm_pre, NULL}, /* Sm */
208 {mdoc_sx_pre, NULL}, /* Sx */
209 {mdoc_sy_pre, NULL}, /* Sy */
210 {NULL, NULL}, /* Tn */
211 {mdoc_xx_pre, NULL}, /* Ux */
212 {NULL, NULL}, /* Xc */
213 {NULL, NULL}, /* Xo */
214 {mdoc_fo_pre, mdoc_fo_post}, /* Fo */
215 {NULL, NULL}, /* Fc */
216 {mdoc_quote_pre, mdoc_quote_post}, /* Oo */
217 {NULL, NULL}, /* Oc */
218 {mdoc_bk_pre, mdoc_bk_post}, /* Bk */
219 {NULL, NULL}, /* Ek */
220 {NULL, NULL}, /* Bt */
221 {NULL, NULL}, /* Hf */
222 {mdoc_em_pre, NULL}, /* Fr */
223 {NULL, NULL}, /* Ud */
224 {mdoc_lb_pre, NULL}, /* Lb */
225 {mdoc_abort_pre, NULL}, /* Lp */
226 {mdoc_lk_pre, NULL}, /* Lk */
227 {mdoc_mt_pre, NULL}, /* Mt */
228 {mdoc_quote_pre, mdoc_quote_post}, /* Brq */
229 {mdoc_quote_pre, mdoc_quote_post}, /* Bro */
230 {NULL, NULL}, /* Brc */
231 {mdoc__x_pre, mdoc__x_post}, /* %C */
232 {mdoc_skip_pre, NULL}, /* Es */
233 {mdoc_quote_pre, mdoc_quote_post}, /* En */
234 {mdoc_xx_pre, NULL}, /* Dx */
235 {mdoc__x_pre, mdoc__x_post}, /* %Q */
236 {mdoc__x_pre, mdoc__x_post}, /* %U */
237 {NULL, NULL}, /* Ta */
238 {mdoc_tg_pre, NULL}, /* Tg */
239 };
240
241
242 /*
243 * See the same function in mdoc_term.c for documentation.
244 */
245 static void
synopsis_pre(struct html * h,struct roff_node * n)246 synopsis_pre(struct html *h, struct roff_node *n)
247 {
248 struct roff_node *np;
249
250 if ((n->flags & NODE_SYNPRETTY) == 0 ||
251 (np = roff_node_prev(n)) == NULL)
252 return;
253
254 if (np->tok == n->tok &&
255 MDOC_Fo != n->tok &&
256 MDOC_Ft != n->tok &&
257 MDOC_Fn != n->tok) {
258 print_otag(h, TAG_BR, "");
259 return;
260 }
261
262 switch (np->tok) {
263 case MDOC_Fd:
264 case MDOC_Fn:
265 case MDOC_Fo:
266 case MDOC_In:
267 case MDOC_Vt:
268 break;
269 case MDOC_Ft:
270 if (n->tok != MDOC_Fn && n->tok != MDOC_Fo)
271 break;
272 /* FALLTHROUGH */
273 default:
274 print_otag(h, TAG_BR, "");
275 return;
276 }
277 html_close_paragraph(h);
278 print_otag(h, TAG_P, "c", "Pp");
279 }
280
281 void
html_mdoc(void * arg,const struct roff_meta * mdoc)282 html_mdoc(void *arg, const struct roff_meta *mdoc)
283 {
284 struct html *h;
285 struct roff_node *n;
286 struct tag *t;
287
288 h = (struct html *)arg;
289 n = mdoc->first->child;
290
291 if ((h->oflags & HTML_FRAGMENT) == 0) {
292 print_gen_decls(h);
293 print_otag(h, TAG_HTML, "");
294 t = print_otag(h, TAG_HEAD, "");
295 print_mdoc_head(mdoc, h);
296 print_tagq(h, t);
297 if (n != NULL && n->type == ROFFT_COMMENT)
298 print_gen_comment(h, n);
299 print_otag(h, TAG_BODY, "");
300 }
301
302 mdoc_root_pre(mdoc, h);
303 t = print_otag(h, TAG_MAIN, "c", "manual-text");
304 print_mdoc_nodelist(mdoc, n, h);
305 print_tagq(h, t);
306 mdoc_root_post(mdoc, h);
307 print_tagq(h, NULL);
308 }
309
310 static void
print_mdoc_head(const struct roff_meta * meta,struct html * h)311 print_mdoc_head(const struct roff_meta *meta, struct html *h)
312 {
313 char *cp;
314
315 print_gen_head(h);
316
317 if (meta->arch != NULL && meta->msec != NULL)
318 mandoc_asprintf(&cp, "%s(%s) (%s)", meta->title,
319 meta->msec, meta->arch);
320 else if (meta->msec != NULL)
321 mandoc_asprintf(&cp, "%s(%s)", meta->title, meta->msec);
322 else if (meta->arch != NULL)
323 mandoc_asprintf(&cp, "%s (%s)", meta->title, meta->arch);
324 else
325 cp = mandoc_strdup(meta->title);
326
327 print_otag(h, TAG_TITLE, "");
328 print_text(h, cp);
329 free(cp);
330 }
331
332 static void
print_mdoc_nodelist(MDOC_ARGS)333 print_mdoc_nodelist(MDOC_ARGS)
334 {
335
336 while (n != NULL) {
337 print_mdoc_node(meta, n, h);
338 n = n->next;
339 }
340 }
341
342 static void
print_mdoc_node(MDOC_ARGS)343 print_mdoc_node(MDOC_ARGS)
344 {
345 struct tag *t;
346 int child;
347
348 if (n->type == ROFFT_COMMENT || n->flags & NODE_NOPRT)
349 return;
350
351 if ((n->flags & NODE_NOFILL) == 0)
352 html_fillmode(h, ROFF_fi);
353 else if (html_fillmode(h, ROFF_nf) == ROFF_nf &&
354 n->tok != ROFF_fi && n->flags & NODE_LINE)
355 print_endline(h);
356
357 child = 1;
358 n->flags &= ~NODE_ENDED;
359 switch (n->type) {
360 case ROFFT_TEXT:
361 if (n->flags & NODE_LINE) {
362 switch (*n->string) {
363 case '\0':
364 h->col = 1;
365 print_endline(h);
366 return;
367 case ' ':
368 if ((h->flags & HTML_NONEWLINE) == 0 &&
369 (n->flags & NODE_NOFILL) == 0)
370 print_otag(h, TAG_BR, "");
371 break;
372 default:
373 break;
374 }
375 }
376 t = h->tag;
377 t->refcnt++;
378 if (n->flags & NODE_DELIMC)
379 h->flags |= HTML_NOSPACE;
380 if (n->flags & NODE_HREF)
381 print_tagged_text(h, n->string, n);
382 else
383 print_text(h, n->string);
384 if (n->flags & NODE_DELIMO)
385 h->flags |= HTML_NOSPACE;
386 break;
387 case ROFFT_EQN:
388 t = h->tag;
389 t->refcnt++;
390 print_eqn(h, n->eqn);
391 break;
392 case ROFFT_TBL:
393 /*
394 * This will take care of initialising all of the table
395 * state data for the first table, then tearing it down
396 * for the last one.
397 */
398 print_tbl(h, n->span);
399 return;
400 default:
401 /*
402 * Close out the current table, if it's open, and unset
403 * the "meta" table state. This will be reopened on the
404 * next table element.
405 */
406 if (h->tblt != NULL)
407 print_tblclose(h);
408 assert(h->tblt == NULL);
409 t = h->tag;
410 t->refcnt++;
411 if (n->tok < ROFF_MAX) {
412 roff_html_pre(h, n);
413 t->refcnt--;
414 print_stagq(h, t);
415 return;
416 }
417 assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
418 if (mdoc_html_acts[n->tok - MDOC_Dd].pre != NULL &&
419 (n->end == ENDBODY_NOT || n->child != NULL))
420 child = (*mdoc_html_acts[n->tok - MDOC_Dd].pre)(meta,
421 n, h);
422 break;
423 }
424
425 if (h->flags & HTML_KEEP && n->flags & NODE_LINE) {
426 h->flags &= ~HTML_KEEP;
427 h->flags |= HTML_PREKEEP;
428 }
429
430 if (child && n->child != NULL)
431 print_mdoc_nodelist(meta, n->child, h);
432
433 t->refcnt--;
434 print_stagq(h, t);
435
436 switch (n->type) {
437 case ROFFT_TEXT:
438 case ROFFT_EQN:
439 break;
440 default:
441 if (mdoc_html_acts[n->tok - MDOC_Dd].post == NULL ||
442 n->flags & NODE_ENDED)
443 break;
444 (*mdoc_html_acts[n->tok - MDOC_Dd].post)(meta, n, h);
445 if (n->end != ENDBODY_NOT)
446 n->body->flags |= NODE_ENDED;
447 break;
448 }
449 }
450
451 static void
mdoc_root_post(const struct roff_meta * meta,struct html * h)452 mdoc_root_post(const struct roff_meta *meta, struct html *h)
453 {
454 struct tag *t;
455
456 t = print_otag(h, TAG_DIV, "cr?", "foot", "doc-pagefooter",
457 "aria-label", "Manual footer line");
458
459 print_otag(h, TAG_SPAN, "c", "foot-left");
460 print_stagq(h, t);
461
462 print_otag(h, TAG_SPAN, "c", "foot-date");
463 print_text(h, meta->date);
464 print_stagq(h, t);
465
466 print_otag(h, TAG_SPAN, "c", "foot-os");
467 print_text(h, meta->os);
468 print_tagq(h, t);
469 }
470
471 static int
mdoc_root_pre(const struct roff_meta * meta,struct html * h)472 mdoc_root_pre(const struct roff_meta *meta, struct html *h)
473 {
474 struct tag *t;
475 char *volume, *title;
476
477 if (NULL == meta->arch)
478 volume = mandoc_strdup(meta->vol);
479 else
480 mandoc_asprintf(&volume, "%s (%s)",
481 meta->vol, meta->arch);
482
483 if (NULL == meta->msec)
484 title = mandoc_strdup(meta->title);
485 else
486 mandoc_asprintf(&title, "%s(%s)",
487 meta->title, meta->msec);
488
489 t = print_otag(h, TAG_DIV, "cr?", "head", "doc-pageheader",
490 "aria-label", "Manual header line");
491
492 print_otag(h, TAG_SPAN, "c", "head-ltitle");
493 print_text(h, title);
494 print_stagq(h, t);
495
496 print_otag(h, TAG_SPAN, "c", "head-vol");
497 print_text(h, volume);
498 print_stagq(h, t);
499
500 print_otag(h, TAG_SPAN, "c", "head-rtitle");
501 print_text(h, title);
502 print_tagq(h, t);
503
504 free(title);
505 free(volume);
506 return 1;
507 }
508
509 static int
mdoc_code_pre(MDOC_ARGS)510 mdoc_code_pre(MDOC_ARGS)
511 {
512 print_otag_id(h, TAG_CODE, roff_name[n->tok], n);
513 return 1;
514 }
515
516 static int
mdoc_sh_pre(MDOC_ARGS)517 mdoc_sh_pre(MDOC_ARGS)
518 {
519 struct roff_node *sn, *subn;
520 struct tag *t, *tnav, *tsec, *tsub;
521 char *id;
522 int sc;
523
524 switch (n->type) {
525 case ROFFT_BLOCK:
526 html_close_paragraph(h);
527 if ((h->oflags & HTML_TOC) == 0 ||
528 h->flags & HTML_TOCDONE ||
529 n->sec <= SEC_SYNOPSIS) {
530 print_otag(h, TAG_SECTION, "c", "Sh");
531 break;
532 }
533 h->flags |= HTML_TOCDONE;
534 sc = 0;
535 for (sn = n->next; sn != NULL; sn = sn->next)
536 if (sn->sec == SEC_CUSTOM)
537 if (++sc == 2)
538 break;
539 if (sc < 2)
540 break;
541 tnav = print_otag(h, TAG_NAV, "r", "doc-toc");
542 t = print_otag(h, TAG_H2, "c", "Sh");
543 print_text(h, "TABLE OF CONTENTS");
544 print_tagq(h, t);
545 t = print_otag(h, TAG_UL, "c", "Bl-compact");
546 for (sn = n; sn != NULL; sn = sn->next) {
547 tsec = print_otag(h, TAG_LI, "");
548 id = html_make_id(sn->head, 0);
549 tsub = print_otag(h, TAG_A, "hR", id);
550 free(id);
551 print_mdoc_nodelist(meta, sn->head->child, h);
552 print_tagq(h, tsub);
553 tsub = NULL;
554 for (subn = sn->body->child; subn != NULL;
555 subn = subn->next) {
556 if (subn->tok != MDOC_Ss)
557 continue;
558 id = html_make_id(subn->head, 0);
559 if (id == NULL)
560 continue;
561 if (tsub == NULL)
562 print_otag(h, TAG_UL,
563 "c", "Bl-compact");
564 tsub = print_otag(h, TAG_LI, "");
565 print_otag(h, TAG_A, "hR", id);
566 free(id);
567 print_mdoc_nodelist(meta,
568 subn->head->child, h);
569 print_tagq(h, tsub);
570 }
571 print_tagq(h, tsec);
572 }
573 print_tagq(h, tnav);
574 print_otag(h, TAG_SECTION, "c", "Sh");
575 break;
576 case ROFFT_HEAD:
577 print_otag_id(h, TAG_H2, "Sh", n);
578 break;
579 case ROFFT_BODY:
580 if (n->sec == SEC_AUTHORS)
581 h->flags &= ~(HTML_SPLIT|HTML_NOSPLIT);
582 break;
583 default:
584 break;
585 }
586 return 1;
587 }
588
589 static int
mdoc_ss_pre(MDOC_ARGS)590 mdoc_ss_pre(MDOC_ARGS)
591 {
592 switch (n->type) {
593 case ROFFT_BLOCK:
594 html_close_paragraph(h);
595 print_otag(h, TAG_SECTION, "c", "Ss");
596 break;
597 case ROFFT_HEAD:
598 print_otag_id(h, TAG_H3, "Ss", n);
599 break;
600 case ROFFT_BODY:
601 break;
602 default:
603 abort();
604 }
605 return 1;
606 }
607
608 static int
mdoc_fl_pre(MDOC_ARGS)609 mdoc_fl_pre(MDOC_ARGS)
610 {
611 struct roff_node *nn;
612
613 print_otag_id(h, TAG_CODE, "Fl", n);
614 print_text(h, "\\-");
615 if (n->child != NULL ||
616 ((nn = roff_node_next(n)) != NULL &&
617 nn->type != ROFFT_TEXT &&
618 (nn->flags & NODE_LINE) == 0))
619 h->flags |= HTML_NOSPACE;
620
621 return 1;
622 }
623
624 static int
mdoc_nd_pre(MDOC_ARGS)625 mdoc_nd_pre(MDOC_ARGS)
626 {
627 switch (n->type) {
628 case ROFFT_BLOCK:
629 return 1;
630 case ROFFT_HEAD:
631 return 0;
632 case ROFFT_BODY:
633 break;
634 default:
635 abort();
636 }
637 print_text(h, "\\(em");
638 print_otag(h, TAG_SPAN, "cr", "Nd", "doc-subtitle");
639 return 1;
640 }
641
642 static int
mdoc_nm_pre(MDOC_ARGS)643 mdoc_nm_pre(MDOC_ARGS)
644 {
645 switch (n->type) {
646 case ROFFT_BLOCK:
647 break;
648 case ROFFT_HEAD:
649 print_otag(h, TAG_TD, "");
650 /* FALLTHROUGH */
651 case ROFFT_ELEM:
652 print_otag(h, TAG_CODE, "c", "Nm");
653 return 1;
654 case ROFFT_BODY:
655 print_otag(h, TAG_TD, "");
656 return 1;
657 default:
658 abort();
659 }
660 html_close_paragraph(h);
661 synopsis_pre(h, n);
662 print_otag(h, TAG_TABLE, "c", "Nm");
663 print_otag(h, TAG_TR, "");
664 return 1;
665 }
666
667 static int
mdoc_xr_pre(MDOC_ARGS)668 mdoc_xr_pre(MDOC_ARGS)
669 {
670 char *name, *section, *label;
671
672 if (n->child == NULL)
673 return 0;
674
675 name = n->child->string;
676 if (n->child->next != NULL) {
677 section = n->child->next->string;
678 mandoc_asprintf(&label, "%s, section %s", name, section);
679 } else
680 section = label = NULL;
681
682 if (h->base_man1)
683 print_otag(h, TAG_A, "chM?", "Xr",
684 name, section, "aria-label", label);
685 else
686 print_otag(h, TAG_A, "c?", "Xr", "aria-label", label);
687
688 free(label);
689 print_text(h, name);
690
691 if (section == NULL)
692 return 0;
693
694 h->flags |= HTML_NOSPACE;
695 print_text(h, "(");
696 h->flags |= HTML_NOSPACE;
697 print_text(h, section);
698 h->flags |= HTML_NOSPACE;
699 print_text(h, ")");
700 return 0;
701 }
702
703 static int
mdoc_tg_pre(MDOC_ARGS)704 mdoc_tg_pre(MDOC_ARGS)
705 {
706 char *id;
707
708 if ((id = html_make_id(n, 1)) != NULL) {
709 print_tagq(h, print_otag(h, TAG_MARK, "i", id));
710 free(id);
711 }
712 return 0;
713 }
714
715 static int
mdoc_ns_pre(MDOC_ARGS)716 mdoc_ns_pre(MDOC_ARGS)
717 {
718
719 if ( ! (NODE_LINE & n->flags))
720 h->flags |= HTML_NOSPACE;
721 return 1;
722 }
723
724 static int
mdoc_ar_pre(MDOC_ARGS)725 mdoc_ar_pre(MDOC_ARGS)
726 {
727 print_otag(h, TAG_VAR, "c", "Ar");
728 return 1;
729 }
730
731 static int
mdoc_xx_pre(MDOC_ARGS)732 mdoc_xx_pre(MDOC_ARGS)
733 {
734 print_otag(h, TAG_SPAN, "c", "Ux");
735 return 1;
736 }
737
738 static int
mdoc_it_pre(MDOC_ARGS)739 mdoc_it_pre(MDOC_ARGS)
740 {
741 const struct roff_node *bl;
742 enum mdoc_list type;
743
744 bl = n->parent;
745 while (bl->tok != MDOC_Bl)
746 bl = bl->parent;
747 type = bl->norm->Bl.type;
748
749 switch (type) {
750 case LIST_bullet:
751 case LIST_dash:
752 case LIST_hyphen:
753 case LIST_item:
754 case LIST_enum:
755 switch (n->type) {
756 case ROFFT_HEAD:
757 return 0;
758 case ROFFT_BODY:
759 print_otag_id(h, TAG_LI, NULL, n);
760 break;
761 default:
762 break;
763 }
764 break;
765 case LIST_diag:
766 case LIST_hang:
767 case LIST_inset:
768 case LIST_ohang:
769 switch (n->type) {
770 case ROFFT_HEAD:
771 print_otag_id(h, TAG_DT, NULL, n);
772 break;
773 case ROFFT_BODY:
774 print_otag(h, TAG_DD, "");
775 break;
776 default:
777 break;
778 }
779 break;
780 case LIST_tag:
781 switch (n->type) {
782 case ROFFT_HEAD:
783 print_otag_id(h, TAG_DT, NULL, n);
784 break;
785 case ROFFT_BODY:
786 if (n->child == NULL) {
787 print_otag(h, TAG_DD, "s", "width", "auto");
788 print_text(h, "\\ ");
789 } else
790 print_otag(h, TAG_DD, "");
791 break;
792 default:
793 break;
794 }
795 break;
796 case LIST_column:
797 switch (n->type) {
798 case ROFFT_HEAD:
799 break;
800 case ROFFT_BODY:
801 print_otag(h, TAG_TD, "");
802 break;
803 default:
804 print_otag_id(h, TAG_TR, NULL, n);
805 }
806 default:
807 break;
808 }
809
810 return 1;
811 }
812
813 static int
mdoc_bl_pre(MDOC_ARGS)814 mdoc_bl_pre(MDOC_ARGS)
815 {
816 char cattr[32];
817 struct mdoc_bl *bl;
818 enum htmltag elemtype;
819
820 switch (n->type) {
821 case ROFFT_BLOCK:
822 html_close_paragraph(h);
823 break;
824 case ROFFT_HEAD:
825 return 0;
826 case ROFFT_BODY:
827 return 1;
828 default:
829 abort();
830 }
831
832 bl = &n->norm->Bl;
833 switch (bl->type) {
834 case LIST_bullet:
835 elemtype = TAG_UL;
836 (void)strlcpy(cattr, "Bl-bullet", sizeof(cattr));
837 break;
838 case LIST_dash:
839 case LIST_hyphen:
840 elemtype = TAG_UL;
841 (void)strlcpy(cattr, "Bl-dash", sizeof(cattr));
842 break;
843 case LIST_item:
844 elemtype = TAG_UL;
845 (void)strlcpy(cattr, "Bl-item", sizeof(cattr));
846 break;
847 case LIST_enum:
848 elemtype = TAG_OL;
849 (void)strlcpy(cattr, "Bl-enum", sizeof(cattr));
850 break;
851 case LIST_diag:
852 elemtype = TAG_DL;
853 (void)strlcpy(cattr, "Bl-diag", sizeof(cattr));
854 break;
855 case LIST_hang:
856 elemtype = TAG_DL;
857 (void)strlcpy(cattr, "Bl-hang", sizeof(cattr));
858 break;
859 case LIST_inset:
860 elemtype = TAG_DL;
861 (void)strlcpy(cattr, "Bl-inset", sizeof(cattr));
862 break;
863 case LIST_ohang:
864 elemtype = TAG_DL;
865 (void)strlcpy(cattr, "Bl-ohang", sizeof(cattr));
866 break;
867 case LIST_tag:
868 if (bl->offs)
869 print_otag(h, TAG_DIV, "c", "Bd-indent");
870 print_otag_id(h, TAG_DL,
871 bl->comp ? "Bl-tag Bl-compact" : "Bl-tag", n->body);
872 return 1;
873 case LIST_column:
874 elemtype = TAG_TABLE;
875 (void)strlcpy(cattr, "Bl-column", sizeof(cattr));
876 break;
877 default:
878 abort();
879 }
880 if (bl->offs != NULL)
881 (void)strlcat(cattr, " Bd-indent", sizeof(cattr));
882 if (bl->comp)
883 (void)strlcat(cattr, " Bl-compact", sizeof(cattr));
884 print_otag_id(h, elemtype, cattr, n->body);
885 return 1;
886 }
887
888 static int
mdoc_ex_pre(MDOC_ARGS)889 mdoc_ex_pre(MDOC_ARGS)
890 {
891 if (roff_node_prev(n) != NULL)
892 print_otag(h, TAG_BR, "");
893 return 1;
894 }
895
896 static int
mdoc_st_pre(MDOC_ARGS)897 mdoc_st_pre(MDOC_ARGS)
898 {
899 print_otag(h, TAG_SPAN, "c", "St");
900 return 1;
901 }
902
903 static int
mdoc_em_pre(MDOC_ARGS)904 mdoc_em_pre(MDOC_ARGS)
905 {
906 print_otag_id(h, TAG_I, "Em", n);
907 return 1;
908 }
909
910 static int
mdoc_d1_pre(MDOC_ARGS)911 mdoc_d1_pre(MDOC_ARGS)
912 {
913 switch (n->type) {
914 case ROFFT_BLOCK:
915 html_close_paragraph(h);
916 return 1;
917 case ROFFT_HEAD:
918 return 0;
919 case ROFFT_BODY:
920 break;
921 default:
922 abort();
923 }
924 print_otag_id(h, TAG_DIV, "Bd Bd-indent", n);
925 if (n->tok == MDOC_Dl)
926 print_otag(h, TAG_CODE, "c", "Li");
927 return 1;
928 }
929
930 static int
mdoc_sx_pre(MDOC_ARGS)931 mdoc_sx_pre(MDOC_ARGS)
932 {
933 char *id;
934
935 id = html_make_id(n, 0);
936 print_otag(h, TAG_A, "chR", "Sx", id);
937 free(id);
938 return 1;
939 }
940
941 static int
mdoc_bd_pre(MDOC_ARGS)942 mdoc_bd_pre(MDOC_ARGS)
943 {
944 char buf[20];
945 struct roff_node *nn;
946 int comp;
947
948 switch (n->type) {
949 case ROFFT_BLOCK:
950 html_close_paragraph(h);
951 return 1;
952 case ROFFT_HEAD:
953 return 0;
954 case ROFFT_BODY:
955 break;
956 default:
957 abort();
958 }
959
960 /* Handle preceding whitespace. */
961
962 comp = n->norm->Bd.comp;
963 for (nn = n; nn != NULL && comp == 0; nn = nn->parent) {
964 if (nn->type != ROFFT_BLOCK)
965 continue;
966 if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
967 comp = 1;
968 if (roff_node_prev(nn) != NULL)
969 break;
970 }
971 (void)strlcpy(buf, "Bd", sizeof(buf));
972 if (comp == 0)
973 (void)strlcat(buf, " Pp", sizeof(buf));
974
975 /* Handle the -offset argument. */
976
977 if (n->norm->Bd.offs != NULL &&
978 strcmp(n->norm->Bd.offs, "left") != 0)
979 (void)strlcat(buf, " Bd-indent", sizeof(buf));
980
981 if (n->norm->Bd.type == DISP_literal)
982 (void)strlcat(buf, " Li", sizeof(buf));
983
984 print_otag_id(h, TAG_DIV, buf, n);
985 return 1;
986 }
987
988 static int
mdoc_pa_pre(MDOC_ARGS)989 mdoc_pa_pre(MDOC_ARGS)
990 {
991 print_otag(h, TAG_SPAN, "c", "Pa");
992 return 1;
993 }
994
995 static int
mdoc_ad_pre(MDOC_ARGS)996 mdoc_ad_pre(MDOC_ARGS)
997 {
998 print_otag(h, TAG_SPAN, "c", "Ad");
999 return 1;
1000 }
1001
1002 static int
mdoc_an_pre(MDOC_ARGS)1003 mdoc_an_pre(MDOC_ARGS)
1004 {
1005 if (n->norm->An.auth == AUTH_split) {
1006 h->flags &= ~HTML_NOSPLIT;
1007 h->flags |= HTML_SPLIT;
1008 return 0;
1009 }
1010 if (n->norm->An.auth == AUTH_nosplit) {
1011 h->flags &= ~HTML_SPLIT;
1012 h->flags |= HTML_NOSPLIT;
1013 return 0;
1014 }
1015
1016 if (h->flags & HTML_SPLIT)
1017 print_otag(h, TAG_BR, "");
1018
1019 if (n->sec == SEC_AUTHORS && ! (h->flags & HTML_NOSPLIT))
1020 h->flags |= HTML_SPLIT;
1021
1022 print_otag(h, TAG_SPAN, "c", "An");
1023 return 1;
1024 }
1025
1026 static int
mdoc_cd_pre(MDOC_ARGS)1027 mdoc_cd_pre(MDOC_ARGS)
1028 {
1029 synopsis_pre(h, n);
1030 print_otag(h, TAG_CODE, "c", "Cd");
1031 return 1;
1032 }
1033
1034 static int
mdoc_fa_pre(MDOC_ARGS)1035 mdoc_fa_pre(MDOC_ARGS)
1036 {
1037 const struct roff_node *nn;
1038 struct tag *t;
1039
1040 if (n->parent->tok != MDOC_Fo) {
1041 print_otag(h, TAG_VAR, "c", "Fa");
1042 return 1;
1043 }
1044 for (nn = n->child; nn != NULL; nn = nn->next) {
1045 t = print_otag(h, TAG_VAR, "c", "Fa");
1046 print_text(h, nn->string);
1047 print_tagq(h, t);
1048 if (nn->next != NULL) {
1049 h->flags |= HTML_NOSPACE;
1050 print_text(h, ",");
1051 }
1052 }
1053 if (n->child != NULL &&
1054 (nn = roff_node_next(n)) != NULL &&
1055 nn->tok == MDOC_Fa) {
1056 h->flags |= HTML_NOSPACE;
1057 print_text(h, ",");
1058 }
1059 return 0;
1060 }
1061
1062 static int
mdoc_fd_pre(MDOC_ARGS)1063 mdoc_fd_pre(MDOC_ARGS)
1064 {
1065 struct tag *t;
1066 char *buf, *cp;
1067
1068 synopsis_pre(h, n);
1069
1070 if (NULL == (n = n->child))
1071 return 0;
1072
1073 assert(n->type == ROFFT_TEXT);
1074
1075 if (strcmp(n->string, "#include")) {
1076 print_otag(h, TAG_CODE, "c", "Fd");
1077 return 1;
1078 }
1079
1080 print_otag(h, TAG_CODE, "c", "In");
1081 print_text(h, n->string);
1082
1083 if (NULL != (n = n->next)) {
1084 assert(n->type == ROFFT_TEXT);
1085
1086 if (h->base_includes) {
1087 cp = n->string;
1088 if (*cp == '<' || *cp == '"')
1089 cp++;
1090 buf = mandoc_strdup(cp);
1091 cp = strchr(buf, '\0') - 1;
1092 if (cp >= buf && (*cp == '>' || *cp == '"'))
1093 *cp = '\0';
1094 t = print_otag(h, TAG_A, "chI", "In", buf);
1095 free(buf);
1096 } else
1097 t = print_otag(h, TAG_A, "c", "In");
1098
1099 print_text(h, n->string);
1100 print_tagq(h, t);
1101
1102 n = n->next;
1103 }
1104
1105 for ( ; n; n = n->next) {
1106 assert(n->type == ROFFT_TEXT);
1107 print_text(h, n->string);
1108 }
1109
1110 return 0;
1111 }
1112
1113 static int
mdoc_vt_pre(MDOC_ARGS)1114 mdoc_vt_pre(MDOC_ARGS)
1115 {
1116 if (n->type == ROFFT_BLOCK) {
1117 synopsis_pre(h, n);
1118 return 1;
1119 } else if (n->type == ROFFT_ELEM) {
1120 synopsis_pre(h, n);
1121 } else if (n->type == ROFFT_HEAD)
1122 return 0;
1123
1124 print_otag(h, TAG_VAR, "c", "Vt");
1125 return 1;
1126 }
1127
1128 static int
mdoc_ft_pre(MDOC_ARGS)1129 mdoc_ft_pre(MDOC_ARGS)
1130 {
1131 synopsis_pre(h, n);
1132 print_otag(h, TAG_VAR, "c", "Ft");
1133 return 1;
1134 }
1135
1136 static int
mdoc_fn_pre(MDOC_ARGS)1137 mdoc_fn_pre(MDOC_ARGS)
1138 {
1139 struct tag *t;
1140 char nbuf[BUFSIZ];
1141 const char *sp, *ep;
1142 int sz, pretty;
1143
1144 pretty = NODE_SYNPRETTY & n->flags;
1145 synopsis_pre(h, n);
1146
1147 /* Split apart into type and name. */
1148 assert(n->child->string);
1149 sp = n->child->string;
1150
1151 ep = strchr(sp, ' ');
1152 if (NULL != ep) {
1153 t = print_otag(h, TAG_VAR, "c", "Ft");
1154
1155 while (ep) {
1156 sz = MIN((int)(ep - sp), BUFSIZ - 1);
1157 (void)memcpy(nbuf, sp, (size_t)sz);
1158 nbuf[sz] = '\0';
1159 print_text(h, nbuf);
1160 sp = ++ep;
1161 ep = strchr(sp, ' ');
1162 }
1163 print_tagq(h, t);
1164 }
1165
1166 t = print_otag_id(h, TAG_CODE, "Fn", n);
1167
1168 if (sp)
1169 print_text(h, sp);
1170
1171 print_tagq(h, t);
1172
1173 h->flags |= HTML_NOSPACE;
1174 print_text(h, "(");
1175 h->flags |= HTML_NOSPACE;
1176
1177 for (n = n->child->next; n; n = n->next) {
1178 if (NODE_SYNPRETTY & n->flags)
1179 t = print_otag(h, TAG_VAR, "cs", "Fa",
1180 "white-space", "nowrap");
1181 else
1182 t = print_otag(h, TAG_VAR, "c", "Fa");
1183 print_text(h, n->string);
1184 print_tagq(h, t);
1185 if (n->next) {
1186 h->flags |= HTML_NOSPACE;
1187 print_text(h, ",");
1188 }
1189 }
1190
1191 h->flags |= HTML_NOSPACE;
1192 print_text(h, ")");
1193
1194 if (pretty) {
1195 h->flags |= HTML_NOSPACE;
1196 print_text(h, ";");
1197 }
1198
1199 return 0;
1200 }
1201
1202 static int
mdoc_sm_pre(MDOC_ARGS)1203 mdoc_sm_pre(MDOC_ARGS)
1204 {
1205
1206 if (NULL == n->child)
1207 h->flags ^= HTML_NONOSPACE;
1208 else if (0 == strcmp("on", n->child->string))
1209 h->flags &= ~HTML_NONOSPACE;
1210 else
1211 h->flags |= HTML_NONOSPACE;
1212
1213 if ( ! (HTML_NONOSPACE & h->flags))
1214 h->flags &= ~HTML_NOSPACE;
1215
1216 return 0;
1217 }
1218
1219 static int
mdoc_skip_pre(MDOC_ARGS)1220 mdoc_skip_pre(MDOC_ARGS)
1221 {
1222
1223 return 0;
1224 }
1225
1226 static int
mdoc_pp_pre(MDOC_ARGS)1227 mdoc_pp_pre(MDOC_ARGS)
1228 {
1229 char *id;
1230
1231 if (n->flags & NODE_NOFILL) {
1232 print_endline(h);
1233 if (n->flags & NODE_ID)
1234 mdoc_tg_pre(meta, n, h);
1235 else {
1236 h->col = 1;
1237 print_endline(h);
1238 }
1239 } else {
1240 html_close_paragraph(h);
1241 id = n->flags & NODE_ID ? html_make_id(n, 1) : NULL;
1242 print_otag(h, TAG_P, "ci", "Pp", id);
1243 free(id);
1244 }
1245 return 0;
1246 }
1247
1248 static int
mdoc_lk_pre(MDOC_ARGS)1249 mdoc_lk_pre(MDOC_ARGS)
1250 {
1251 const struct roff_node *link, *descr, *punct;
1252 struct tag *t;
1253
1254 if ((link = n->child) == NULL)
1255 return 0;
1256
1257 /* Find beginning of trailing punctuation. */
1258 punct = n->last;
1259 while (punct != link && punct->flags & NODE_DELIMC)
1260 punct = punct->prev;
1261 punct = punct->next;
1262
1263 /* Link target and link text. */
1264 descr = link->next;
1265 if (descr == punct)
1266 descr = link; /* no text */
1267 t = print_otag(h, TAG_A, "ch", "Lk", link->string);
1268 do {
1269 if (descr->flags & (NODE_DELIMC | NODE_DELIMO))
1270 h->flags |= HTML_NOSPACE;
1271 print_text(h, descr->string);
1272 descr = descr->next;
1273 } while (descr != punct);
1274 print_tagq(h, t);
1275
1276 /* Trailing punctuation. */
1277 while (punct != NULL) {
1278 h->flags |= HTML_NOSPACE;
1279 print_text(h, punct->string);
1280 punct = punct->next;
1281 }
1282 return 0;
1283 }
1284
1285 static int
mdoc_mt_pre(MDOC_ARGS)1286 mdoc_mt_pre(MDOC_ARGS)
1287 {
1288 struct tag *t;
1289 char *cp;
1290
1291 for (n = n->child; n; n = n->next) {
1292 assert(n->type == ROFFT_TEXT);
1293 mandoc_asprintf(&cp, "mailto:%s", n->string);
1294 t = print_otag(h, TAG_A, "ch", "Mt", cp);
1295 print_text(h, n->string);
1296 print_tagq(h, t);
1297 free(cp);
1298 }
1299 return 0;
1300 }
1301
1302 static int
mdoc_fo_pre(MDOC_ARGS)1303 mdoc_fo_pre(MDOC_ARGS)
1304 {
1305 struct tag *t;
1306
1307 switch (n->type) {
1308 case ROFFT_BLOCK:
1309 synopsis_pre(h, n);
1310 return 1;
1311 case ROFFT_HEAD:
1312 if (n->child != NULL) {
1313 t = print_otag_id(h, TAG_CODE, "Fn", n);
1314 print_text(h, n->child->string);
1315 print_tagq(h, t);
1316 }
1317 return 0;
1318 case ROFFT_BODY:
1319 h->flags |= HTML_NOSPACE;
1320 print_text(h, "(");
1321 h->flags |= HTML_NOSPACE;
1322 return 1;
1323 default:
1324 abort();
1325 }
1326 }
1327
1328 static void
mdoc_fo_post(MDOC_ARGS)1329 mdoc_fo_post(MDOC_ARGS)
1330 {
1331 if (n->type != ROFFT_BODY)
1332 return;
1333 h->flags |= HTML_NOSPACE;
1334 print_text(h, ")");
1335 h->flags |= HTML_NOSPACE;
1336 print_text(h, ";");
1337 }
1338
1339 static int
mdoc_in_pre(MDOC_ARGS)1340 mdoc_in_pre(MDOC_ARGS)
1341 {
1342 struct tag *t;
1343
1344 synopsis_pre(h, n);
1345 print_otag(h, TAG_CODE, "c", "In");
1346
1347 /*
1348 * The first argument of the `In' gets special treatment as
1349 * being a linked value. Subsequent values are printed
1350 * afterward. groff does similarly. This also handles the case
1351 * of no children.
1352 */
1353
1354 if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags)
1355 print_text(h, "#include");
1356
1357 print_text(h, "<");
1358 h->flags |= HTML_NOSPACE;
1359
1360 if (NULL != (n = n->child)) {
1361 assert(n->type == ROFFT_TEXT);
1362
1363 if (h->base_includes)
1364 t = print_otag(h, TAG_A, "chI", "In", n->string);
1365 else
1366 t = print_otag(h, TAG_A, "c", "In");
1367 print_text(h, n->string);
1368 print_tagq(h, t);
1369
1370 n = n->next;
1371 }
1372
1373 h->flags |= HTML_NOSPACE;
1374 print_text(h, ">");
1375
1376 for ( ; n; n = n->next) {
1377 assert(n->type == ROFFT_TEXT);
1378 print_text(h, n->string);
1379 }
1380 return 0;
1381 }
1382
1383 static int
mdoc_va_pre(MDOC_ARGS)1384 mdoc_va_pre(MDOC_ARGS)
1385 {
1386 print_otag(h, TAG_VAR, "c", "Va");
1387 return 1;
1388 }
1389
1390 static int
mdoc_ap_pre(MDOC_ARGS)1391 mdoc_ap_pre(MDOC_ARGS)
1392 {
1393 h->flags |= HTML_NOSPACE;
1394 print_text(h, "\\(aq");
1395 h->flags |= HTML_NOSPACE;
1396 return 1;
1397 }
1398
1399 static int
mdoc_bf_pre(MDOC_ARGS)1400 mdoc_bf_pre(MDOC_ARGS)
1401 {
1402 const char *cattr;
1403
1404 switch (n->type) {
1405 case ROFFT_BLOCK:
1406 html_close_paragraph(h);
1407 return 1;
1408 case ROFFT_HEAD:
1409 return 0;
1410 case ROFFT_BODY:
1411 break;
1412 default:
1413 abort();
1414 }
1415
1416 if (FONT_Em == n->norm->Bf.font)
1417 cattr = "Bf Em";
1418 else if (FONT_Sy == n->norm->Bf.font)
1419 cattr = "Bf Sy";
1420 else if (FONT_Li == n->norm->Bf.font)
1421 cattr = "Bf Li";
1422 else
1423 cattr = "Bf No";
1424
1425 /* Cannot use TAG_SPAN because it may contain blocks. */
1426 print_otag(h, TAG_DIV, "c", cattr);
1427 return 1;
1428 }
1429
1430 static int
mdoc_igndelim_pre(MDOC_ARGS)1431 mdoc_igndelim_pre(MDOC_ARGS)
1432 {
1433 h->flags |= HTML_IGNDELIM;
1434 return 1;
1435 }
1436
1437 static void
mdoc_pf_post(MDOC_ARGS)1438 mdoc_pf_post(MDOC_ARGS)
1439 {
1440 if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1441 h->flags |= HTML_NOSPACE;
1442 }
1443
1444 static int
mdoc_rs_pre(MDOC_ARGS)1445 mdoc_rs_pre(MDOC_ARGS)
1446 {
1447 switch (n->type) {
1448 case ROFFT_BLOCK:
1449 if (n->sec == SEC_SEE_ALSO)
1450 html_close_paragraph(h);
1451 break;
1452 case ROFFT_HEAD:
1453 return 0;
1454 case ROFFT_BODY:
1455 if (n->sec == SEC_SEE_ALSO)
1456 print_otag(h, TAG_P, "c", "Pp");
1457 print_otag(h, TAG_SPAN, "c", "Rs");
1458 break;
1459 default:
1460 abort();
1461 }
1462 return 1;
1463 }
1464
1465 static int
mdoc_no_pre(MDOC_ARGS)1466 mdoc_no_pre(MDOC_ARGS)
1467 {
1468 print_otag_id(h, TAG_SPAN, roff_name[n->tok], n);
1469 return 1;
1470 }
1471
1472 static int
mdoc_sy_pre(MDOC_ARGS)1473 mdoc_sy_pre(MDOC_ARGS)
1474 {
1475 print_otag_id(h, TAG_B, "Sy", n);
1476 return 1;
1477 }
1478
1479 static int
mdoc_lb_pre(MDOC_ARGS)1480 mdoc_lb_pre(MDOC_ARGS)
1481 {
1482 if (n->sec == SEC_LIBRARY &&
1483 n->flags & NODE_LINE &&
1484 roff_node_prev(n) != NULL)
1485 print_otag(h, TAG_BR, "");
1486
1487 print_otag(h, TAG_SPAN, "c", "Lb");
1488 return 1;
1489 }
1490
1491 static int
mdoc__x_pre(MDOC_ARGS)1492 mdoc__x_pre(MDOC_ARGS)
1493 {
1494 struct roff_node *nn;
1495 const unsigned char *cp;
1496 const char *cattr, *arg;
1497 char *url;
1498 enum htmltag t;
1499
1500 t = TAG_SPAN;
1501 arg = n->child->string;
1502
1503 switch (n->tok) {
1504 case MDOC__A:
1505 cattr = "RsA";
1506 if ((nn = roff_node_prev(n)) != NULL && nn->tok == MDOC__A &&
1507 ((nn = roff_node_next(n)) == NULL || nn->tok != MDOC__A))
1508 print_text(h, "and");
1509 break;
1510 case MDOC__B:
1511 t = TAG_CITE;
1512 cattr = "RsB";
1513 break;
1514 case MDOC__C:
1515 cattr = "RsC";
1516 break;
1517 case MDOC__D:
1518 cattr = "RsD";
1519 break;
1520 case MDOC__I:
1521 t = TAG_I;
1522 cattr = "RsI";
1523 break;
1524 case MDOC__J:
1525 t = TAG_I;
1526 cattr = "RsJ";
1527 break;
1528 case MDOC__N:
1529 cattr = "RsN";
1530 break;
1531 case MDOC__O:
1532 cattr = "RsO";
1533 break;
1534 case MDOC__P:
1535 cattr = "RsP";
1536 break;
1537 case MDOC__Q:
1538 cattr = "RsQ";
1539 break;
1540 case MDOC__R:
1541 if (strncmp(arg, "RFC ", 4) == 0) {
1542 cp = arg += 4;
1543 while (isdigit(*cp))
1544 cp++;
1545 if (*cp == '\0') {
1546 mandoc_asprintf(&url, "https://www.rfc-"
1547 "editor.org/rfc/rfc%s.html", arg);
1548 print_otag(h, TAG_A, "ch", "RsR", url);
1549 free(url);
1550 return 1;
1551 }
1552 }
1553 cattr = "RsR";
1554 break;
1555 case MDOC__T:
1556 t = TAG_CITE;
1557 if (n->parent != NULL && n->parent->tok == MDOC_Rs &&
1558 n->parent->norm->Rs.quote_T) {
1559 print_text(h, "\\(lq");
1560 h->flags |= HTML_NOSPACE;
1561 cattr = "RsT";
1562 } else
1563 cattr = "RsB";
1564 break;
1565 case MDOC__U:
1566 print_otag(h, TAG_A, "ch", "RsU", arg);
1567 return 1;
1568 case MDOC__V:
1569 cattr = "RsV";
1570 break;
1571 default:
1572 abort();
1573 }
1574
1575 print_otag(h, t, "c", cattr);
1576 return 1;
1577 }
1578
1579 static void
mdoc__x_post(MDOC_ARGS)1580 mdoc__x_post(MDOC_ARGS)
1581 {
1582 struct roff_node *nn;
1583
1584 switch (n->tok) {
1585 case MDOC__A:
1586 if ((nn = roff_node_next(n)) != NULL && nn->tok == MDOC__A &&
1587 ((nn = roff_node_next(nn)) == NULL || nn->tok != MDOC__A) &&
1588 ((nn = roff_node_prev(n)) == NULL || nn->tok != MDOC__A))
1589 return;
1590 break;
1591 case MDOC__T:
1592 if (n->parent != NULL && n->parent->tok == MDOC_Rs &&
1593 n->parent->norm->Rs.quote_T) {
1594 h->flags |= HTML_NOSPACE;
1595 print_text(h, "\\(rq");
1596 }
1597 break;
1598 default:
1599 break;
1600 }
1601 if (n->parent == NULL || n->parent->tok != MDOC_Rs)
1602 return;
1603
1604 h->flags |= HTML_NOSPACE;
1605 print_text(h, roff_node_next(n) ? "," : ".");
1606 }
1607
1608 static int
mdoc_bk_pre(MDOC_ARGS)1609 mdoc_bk_pre(MDOC_ARGS)
1610 {
1611
1612 switch (n->type) {
1613 case ROFFT_BLOCK:
1614 break;
1615 case ROFFT_HEAD:
1616 return 0;
1617 case ROFFT_BODY:
1618 if (n->parent->args != NULL || n->prev->child == NULL)
1619 h->flags |= HTML_PREKEEP;
1620 break;
1621 default:
1622 abort();
1623 }
1624
1625 return 1;
1626 }
1627
1628 static void
mdoc_bk_post(MDOC_ARGS)1629 mdoc_bk_post(MDOC_ARGS)
1630 {
1631
1632 if (n->type == ROFFT_BODY)
1633 h->flags &= ~(HTML_KEEP | HTML_PREKEEP);
1634 }
1635
1636 static int
mdoc_quote_pre(MDOC_ARGS)1637 mdoc_quote_pre(MDOC_ARGS)
1638 {
1639 if (n->type != ROFFT_BODY)
1640 return 1;
1641
1642 switch (n->tok) {
1643 case MDOC_Ao:
1644 case MDOC_Aq:
1645 print_text(h, n->child != NULL && n->child->next == NULL &&
1646 n->child->tok == MDOC_Mt ? "<" : "\\(la");
1647 break;
1648 case MDOC_Bro:
1649 case MDOC_Brq:
1650 print_text(h, "\\(lC");
1651 break;
1652 case MDOC_Bo:
1653 case MDOC_Bq:
1654 print_text(h, "\\(lB");
1655 break;
1656 case MDOC_Oo:
1657 case MDOC_Op:
1658 print_text(h, "\\(lB");
1659 /*
1660 * Give up on semantic markup for now.
1661 * We cannot use TAG_SPAN because .Oo may contain blocks.
1662 * We cannot use TAG_DIV because we might be in a
1663 * phrasing context (like .Dl or .Pp); we cannot
1664 * close out a .Pp at this point either because
1665 * that would break the line.
1666 */
1667 /* XXX print_otag(h, TAG_???, "c", "Op"); */
1668 break;
1669 case MDOC_En:
1670 if (NULL == n->norm->Es ||
1671 NULL == n->norm->Es->child)
1672 return 1;
1673 print_text(h, n->norm->Es->child->string);
1674 break;
1675 case MDOC_Do:
1676 case MDOC_Dq:
1677 print_text(h, "\\(lq");
1678 break;
1679 case MDOC_Qo:
1680 case MDOC_Qq:
1681 print_text(h, "\"");
1682 break;
1683 case MDOC_Po:
1684 case MDOC_Pq:
1685 print_text(h, "(");
1686 break;
1687 case MDOC_Ql:
1688 print_text(h, "\\(oq");
1689 h->flags |= HTML_NOSPACE;
1690 print_otag(h, TAG_CODE, "c", "Li");
1691 break;
1692 case MDOC_So:
1693 case MDOC_Sq:
1694 print_text(h, "\\(oq");
1695 break;
1696 default:
1697 abort();
1698 }
1699
1700 h->flags |= HTML_NOSPACE;
1701 return 1;
1702 }
1703
1704 static void
mdoc_quote_post(MDOC_ARGS)1705 mdoc_quote_post(MDOC_ARGS)
1706 {
1707
1708 if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1709 return;
1710
1711 h->flags |= HTML_NOSPACE;
1712
1713 switch (n->tok) {
1714 case MDOC_Ao:
1715 case MDOC_Aq:
1716 print_text(h, n->child != NULL && n->child->next == NULL &&
1717 n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1718 break;
1719 case MDOC_Bro:
1720 case MDOC_Brq:
1721 print_text(h, "\\(rC");
1722 break;
1723 case MDOC_Oo:
1724 case MDOC_Op:
1725 case MDOC_Bo:
1726 case MDOC_Bq:
1727 print_text(h, "\\(rB");
1728 break;
1729 case MDOC_En:
1730 if (n->norm->Es == NULL ||
1731 n->norm->Es->child == NULL ||
1732 n->norm->Es->child->next == NULL)
1733 h->flags &= ~HTML_NOSPACE;
1734 else
1735 print_text(h, n->norm->Es->child->next->string);
1736 break;
1737 case MDOC_Do:
1738 case MDOC_Dq:
1739 print_text(h, "\\(rq");
1740 break;
1741 case MDOC_Qo:
1742 case MDOC_Qq:
1743 print_text(h, "\"");
1744 break;
1745 case MDOC_Po:
1746 case MDOC_Pq:
1747 print_text(h, ")");
1748 break;
1749 case MDOC_Ql:
1750 case MDOC_So:
1751 case MDOC_Sq:
1752 print_text(h, "\\(cq");
1753 break;
1754 default:
1755 abort();
1756 }
1757 }
1758
1759 static int
mdoc_eo_pre(MDOC_ARGS)1760 mdoc_eo_pre(MDOC_ARGS)
1761 {
1762
1763 if (n->type != ROFFT_BODY)
1764 return 1;
1765
1766 if (n->end == ENDBODY_NOT &&
1767 n->parent->head->child == NULL &&
1768 n->child != NULL &&
1769 n->child->end != ENDBODY_NOT)
1770 print_text(h, "\\&");
1771 else if (n->end != ENDBODY_NOT ? n->child != NULL :
1772 n->parent->head->child != NULL && (n->child != NULL ||
1773 (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1774 h->flags |= HTML_NOSPACE;
1775 return 1;
1776 }
1777
1778 static void
mdoc_eo_post(MDOC_ARGS)1779 mdoc_eo_post(MDOC_ARGS)
1780 {
1781 int body, tail;
1782
1783 if (n->type != ROFFT_BODY)
1784 return;
1785
1786 if (n->end != ENDBODY_NOT) {
1787 h->flags &= ~HTML_NOSPACE;
1788 return;
1789 }
1790
1791 body = n->child != NULL || n->parent->head->child != NULL;
1792 tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1793
1794 if (body && tail)
1795 h->flags |= HTML_NOSPACE;
1796 else if ( ! tail)
1797 h->flags &= ~HTML_NOSPACE;
1798 }
1799
1800 static int
mdoc_abort_pre(MDOC_ARGS)1801 mdoc_abort_pre(MDOC_ARGS)
1802 {
1803 abort();
1804 }
1805