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minor markup simplifications
[mandoc.git] / mdoc_html.c
1 /* $Id: mdoc_html.c,v 1.289 2017/05/30 16:31:29 schwarze Exp $ */
2 /*
3 * Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
4 * Copyright (c) 2014, 2015, 2016, 2017 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 AUTHORS DISCLAIM ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS 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_aux.h"
30 #include "roff.h"
31 #include "mdoc.h"
32 #include "out.h"
33 #include "html.h"
34 #include "main.h"
35
36 #define INDENT 5
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 htmlmdoc {
47 int (*pre)(MDOC_ARGS);
48 void (*post)(MDOC_ARGS);
49 };
50
51 static char *cond_id(const struct roff_node *);
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 roff_node *);
57
58 static void mdoc_root_post(MDOC_ARGS);
59 static int mdoc_root_pre(MDOC_ARGS);
60
61 static void mdoc__x_post(MDOC_ARGS);
62 static int mdoc__x_pre(MDOC_ARGS);
63 static int mdoc_ad_pre(MDOC_ARGS);
64 static int mdoc_an_pre(MDOC_ARGS);
65 static int mdoc_ap_pre(MDOC_ARGS);
66 static int mdoc_ar_pre(MDOC_ARGS);
67 static int mdoc_bd_pre(MDOC_ARGS);
68 static int mdoc_bf_pre(MDOC_ARGS);
69 static void mdoc_bk_post(MDOC_ARGS);
70 static int mdoc_bk_pre(MDOC_ARGS);
71 static int mdoc_bl_pre(MDOC_ARGS);
72 static int mdoc_cd_pre(MDOC_ARGS);
73 static int mdoc_cm_pre(MDOC_ARGS);
74 static int mdoc_d1_pre(MDOC_ARGS);
75 static int mdoc_dv_pre(MDOC_ARGS);
76 static int mdoc_fa_pre(MDOC_ARGS);
77 static int mdoc_fd_pre(MDOC_ARGS);
78 static int mdoc_fl_pre(MDOC_ARGS);
79 static int mdoc_fn_pre(MDOC_ARGS);
80 static int mdoc_ft_pre(MDOC_ARGS);
81 static int mdoc_em_pre(MDOC_ARGS);
82 static void mdoc_eo_post(MDOC_ARGS);
83 static int mdoc_eo_pre(MDOC_ARGS);
84 static int mdoc_er_pre(MDOC_ARGS);
85 static int mdoc_ev_pre(MDOC_ARGS);
86 static int mdoc_ex_pre(MDOC_ARGS);
87 static void mdoc_fo_post(MDOC_ARGS);
88 static int mdoc_fo_pre(MDOC_ARGS);
89 static int mdoc_ic_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_li_pre(MDOC_ARGS);
95 static int mdoc_lk_pre(MDOC_ARGS);
96 static int mdoc_mt_pre(MDOC_ARGS);
97 static int mdoc_ms_pre(MDOC_ARGS);
98 static int mdoc_nd_pre(MDOC_ARGS);
99 static int mdoc_nm_pre(MDOC_ARGS);
100 static int mdoc_no_pre(MDOC_ARGS);
101 static int mdoc_ns_pre(MDOC_ARGS);
102 static int mdoc_pa_pre(MDOC_ARGS);
103 static void mdoc_pf_post(MDOC_ARGS);
104 static int mdoc_pp_pre(MDOC_ARGS);
105 static void mdoc_quote_post(MDOC_ARGS);
106 static int mdoc_quote_pre(MDOC_ARGS);
107 static int mdoc_rs_pre(MDOC_ARGS);
108 static int mdoc_sh_pre(MDOC_ARGS);
109 static int mdoc_skip_pre(MDOC_ARGS);
110 static int mdoc_sm_pre(MDOC_ARGS);
111 static int mdoc_ss_pre(MDOC_ARGS);
112 static int mdoc_st_pre(MDOC_ARGS);
113 static int mdoc_sx_pre(MDOC_ARGS);
114 static int mdoc_sy_pre(MDOC_ARGS);
115 static int mdoc_va_pre(MDOC_ARGS);
116 static int mdoc_vt_pre(MDOC_ARGS);
117 static int mdoc_xr_pre(MDOC_ARGS);
118 static int mdoc_xx_pre(MDOC_ARGS);
119
120 static const struct htmlmdoc __mdocs[MDOC_MAX - MDOC_Dd] = {
121 {NULL, NULL}, /* Dd */
122 {NULL, NULL}, /* Dt */
123 {NULL, NULL}, /* Os */
124 {mdoc_sh_pre, NULL }, /* Sh */
125 {mdoc_ss_pre, NULL }, /* Ss */
126 {mdoc_pp_pre, NULL}, /* Pp */
127 {mdoc_d1_pre, NULL}, /* D1 */
128 {mdoc_d1_pre, NULL}, /* Dl */
129 {mdoc_bd_pre, NULL}, /* Bd */
130 {NULL, NULL}, /* Ed */
131 {mdoc_bl_pre, NULL}, /* Bl */
132 {NULL, NULL}, /* El */
133 {mdoc_it_pre, NULL}, /* It */
134 {mdoc_ad_pre, NULL}, /* Ad */
135 {mdoc_an_pre, NULL}, /* An */
136 {mdoc_ap_pre, NULL}, /* Ap */
137 {mdoc_ar_pre, NULL}, /* Ar */
138 {mdoc_cd_pre, NULL}, /* Cd */
139 {mdoc_cm_pre, NULL}, /* Cm */
140 {mdoc_dv_pre, NULL}, /* Dv */
141 {mdoc_er_pre, NULL}, /* Er */
142 {mdoc_ev_pre, NULL}, /* Ev */
143 {mdoc_ex_pre, NULL}, /* Ex */
144 {mdoc_fa_pre, NULL}, /* Fa */
145 {mdoc_fd_pre, NULL}, /* Fd */
146 {mdoc_fl_pre, NULL}, /* Fl */
147 {mdoc_fn_pre, NULL}, /* Fn */
148 {mdoc_ft_pre, NULL}, /* Ft */
149 {mdoc_ic_pre, NULL}, /* Ic */
150 {mdoc_in_pre, NULL}, /* In */
151 {mdoc_li_pre, NULL}, /* Li */
152 {mdoc_nd_pre, NULL}, /* Nd */
153 {mdoc_nm_pre, NULL}, /* Nm */
154 {mdoc_quote_pre, mdoc_quote_post}, /* Op */
155 {mdoc_ft_pre, NULL}, /* Ot */
156 {mdoc_pa_pre, NULL}, /* Pa */
157 {mdoc_ex_pre, NULL}, /* Rv */
158 {mdoc_st_pre, NULL}, /* St */
159 {mdoc_va_pre, NULL}, /* Va */
160 {mdoc_vt_pre, NULL}, /* Vt */
161 {mdoc_xr_pre, NULL}, /* Xr */
162 {mdoc__x_pre, mdoc__x_post}, /* %A */
163 {mdoc__x_pre, mdoc__x_post}, /* %B */
164 {mdoc__x_pre, mdoc__x_post}, /* %D */
165 {mdoc__x_pre, mdoc__x_post}, /* %I */
166 {mdoc__x_pre, mdoc__x_post}, /* %J */
167 {mdoc__x_pre, mdoc__x_post}, /* %N */
168 {mdoc__x_pre, mdoc__x_post}, /* %O */
169 {mdoc__x_pre, mdoc__x_post}, /* %P */
170 {mdoc__x_pre, mdoc__x_post}, /* %R */
171 {mdoc__x_pre, mdoc__x_post}, /* %T */
172 {mdoc__x_pre, mdoc__x_post}, /* %V */
173 {NULL, NULL}, /* Ac */
174 {mdoc_quote_pre, mdoc_quote_post}, /* Ao */
175 {mdoc_quote_pre, mdoc_quote_post}, /* Aq */
176 {mdoc_xx_pre, NULL}, /* At */
177 {NULL, NULL}, /* Bc */
178 {mdoc_bf_pre, NULL}, /* Bf */
179 {mdoc_quote_pre, mdoc_quote_post}, /* Bo */
180 {mdoc_quote_pre, mdoc_quote_post}, /* Bq */
181 {mdoc_xx_pre, NULL}, /* Bsx */
182 {mdoc_xx_pre, NULL}, /* Bx */
183 {mdoc_skip_pre, NULL}, /* Db */
184 {NULL, NULL}, /* Dc */
185 {mdoc_quote_pre, mdoc_quote_post}, /* Do */
186 {mdoc_quote_pre, mdoc_quote_post}, /* Dq */
187 {NULL, NULL}, /* Ec */ /* FIXME: no space */
188 {NULL, NULL}, /* Ef */
189 {mdoc_em_pre, NULL}, /* Em */
190 {mdoc_eo_pre, mdoc_eo_post}, /* Eo */
191 {mdoc_xx_pre, NULL}, /* Fx */
192 {mdoc_ms_pre, NULL}, /* Ms */
193 {mdoc_no_pre, NULL}, /* No */
194 {mdoc_ns_pre, NULL}, /* Ns */
195 {mdoc_xx_pre, NULL}, /* Nx */
196 {mdoc_xx_pre, NULL}, /* Ox */
197 {NULL, NULL}, /* Pc */
198 {mdoc_igndelim_pre, mdoc_pf_post}, /* Pf */
199 {mdoc_quote_pre, mdoc_quote_post}, /* Po */
200 {mdoc_quote_pre, mdoc_quote_post}, /* Pq */
201 {NULL, NULL}, /* Qc */
202 {mdoc_quote_pre, mdoc_quote_post}, /* Ql */
203 {mdoc_quote_pre, mdoc_quote_post}, /* Qo */
204 {mdoc_quote_pre, mdoc_quote_post}, /* Qq */
205 {NULL, NULL}, /* Re */
206 {mdoc_rs_pre, NULL}, /* Rs */
207 {NULL, NULL}, /* Sc */
208 {mdoc_quote_pre, mdoc_quote_post}, /* So */
209 {mdoc_quote_pre, mdoc_quote_post}, /* Sq */
210 {mdoc_sm_pre, NULL}, /* Sm */
211 {mdoc_sx_pre, NULL}, /* Sx */
212 {mdoc_sy_pre, NULL}, /* Sy */
213 {NULL, NULL}, /* Tn */
214 {mdoc_xx_pre, NULL}, /* Ux */
215 {NULL, NULL}, /* Xc */
216 {NULL, NULL}, /* Xo */
217 {mdoc_fo_pre, mdoc_fo_post}, /* Fo */
218 {NULL, NULL}, /* Fc */
219 {mdoc_quote_pre, mdoc_quote_post}, /* Oo */
220 {NULL, NULL}, /* Oc */
221 {mdoc_bk_pre, mdoc_bk_post}, /* Bk */
222 {NULL, NULL}, /* Ek */
223 {NULL, NULL}, /* Bt */
224 {NULL, NULL}, /* Hf */
225 {mdoc_em_pre, NULL}, /* Fr */
226 {NULL, NULL}, /* Ud */
227 {mdoc_lb_pre, NULL}, /* Lb */
228 {mdoc_pp_pre, NULL}, /* Lp */
229 {mdoc_lk_pre, NULL}, /* Lk */
230 {mdoc_mt_pre, NULL}, /* Mt */
231 {mdoc_quote_pre, mdoc_quote_post}, /* Brq */
232 {mdoc_quote_pre, mdoc_quote_post}, /* Bro */
233 {NULL, NULL}, /* Brc */
234 {mdoc__x_pre, mdoc__x_post}, /* %C */
235 {mdoc_skip_pre, NULL}, /* Es */
236 {mdoc_quote_pre, mdoc_quote_post}, /* En */
237 {mdoc_xx_pre, NULL}, /* Dx */
238 {mdoc__x_pre, mdoc__x_post}, /* %Q */
239 {mdoc__x_pre, mdoc__x_post}, /* %U */
240 {NULL, NULL}, /* Ta */
241 };
242 static const struct htmlmdoc *const mdocs = __mdocs - MDOC_Dd;
243
244
245 /*
246 * See the same function in mdoc_term.c for documentation.
247 */
248 static void
249 synopsis_pre(struct html *h, const struct roff_node *n)
250 {
251
252 if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
253 return;
254
255 if (n->prev->tok == n->tok &&
256 MDOC_Fo != n->tok &&
257 MDOC_Ft != n->tok &&
258 MDOC_Fn != n->tok) {
259 print_otag(h, TAG_BR, "");
260 return;
261 }
262
263 switch (n->prev->tok) {
264 case MDOC_Fd:
265 case MDOC_Fn:
266 case MDOC_Fo:
267 case MDOC_In:
268 case MDOC_Vt:
269 print_paragraph(h);
270 break;
271 case MDOC_Ft:
272 if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
273 print_paragraph(h);
274 break;
275 }
276 /* FALLTHROUGH */
277 default:
278 print_otag(h, TAG_BR, "");
279 break;
280 }
281 }
282
283 void
284 html_mdoc(void *arg, const struct roff_man *mdoc)
285 {
286 struct html *h;
287 struct tag *t;
288
289 h = (struct html *)arg;
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->meta, mdoc->first->child, h);
296 print_tagq(h, t);
297 print_otag(h, TAG_BODY, "");
298 }
299
300 mdoc_root_pre(&mdoc->meta, mdoc->first->child, h);
301 t = print_otag(h, TAG_DIV, "c", "manual-text");
302 print_mdoc_nodelist(&mdoc->meta, mdoc->first->child, h);
303 print_tagq(h, t);
304 mdoc_root_post(&mdoc->meta, mdoc->first->child, h);
305 print_tagq(h, NULL);
306 }
307
308 static void
309 print_mdoc_head(MDOC_ARGS)
310 {
311 char *cp;
312
313 print_gen_head(h);
314
315 if (meta->arch != NULL && meta->msec != NULL)
316 mandoc_asprintf(&cp, "%s(%s) (%s)", meta->title,
317 meta->msec, meta->arch);
318 else if (meta->msec != NULL)
319 mandoc_asprintf(&cp, "%s(%s)", meta->title, meta->msec);
320 else if (meta->arch != NULL)
321 mandoc_asprintf(&cp, "%s (%s)", meta->title, meta->arch);
322 else
323 cp = mandoc_strdup(meta->title);
324
325 print_otag(h, TAG_TITLE, "");
326 print_text(h, cp);
327 free(cp);
328 }
329
330 static void
331 print_mdoc_nodelist(MDOC_ARGS)
332 {
333
334 while (n != NULL) {
335 print_mdoc_node(meta, n, h);
336 n = n->next;
337 }
338 }
339
340 static void
341 print_mdoc_node(MDOC_ARGS)
342 {
343 int child;
344 struct tag *t;
345
346 if (n->flags & NODE_NOPRT)
347 return;
348
349 child = 1;
350 t = h->tag;
351 n->flags &= ~NODE_ENDED;
352
353 switch (n->type) {
354 case ROFFT_TEXT:
355 /* No tables in this mode... */
356 assert(NULL == h->tblt);
357
358 /*
359 * Make sure that if we're in a literal mode already
360 * (i.e., within a <PRE>) don't print the newline.
361 */
362 if (*n->string == ' ' && n->flags & NODE_LINE &&
363 (h->flags & (HTML_LITERAL | HTML_NONEWLINE)) == 0)
364 print_otag(h, TAG_BR, "");
365 if (NODE_DELIMC & n->flags)
366 h->flags |= HTML_NOSPACE;
367 print_text(h, n->string);
368 if (NODE_DELIMO & n->flags)
369 h->flags |= HTML_NOSPACE;
370 return;
371 case ROFFT_EQN:
372 print_eqn(h, n->eqn);
373 break;
374 case ROFFT_TBL:
375 /*
376 * This will take care of initialising all of the table
377 * state data for the first table, then tearing it down
378 * for the last one.
379 */
380 print_tbl(h, n->span);
381 return;
382 default:
383 /*
384 * Close out the current table, if it's open, and unset
385 * the "meta" table state. This will be reopened on the
386 * next table element.
387 */
388 if (h->tblt != NULL) {
389 print_tblclose(h);
390 t = h->tag;
391 }
392 assert(h->tblt == NULL);
393 if (n->tok < ROFF_MAX) {
394 roff_html_pre(h, n);
395 child = 0;
396 break;
397 }
398 assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
399 if (mdocs[n->tok].pre != NULL &&
400 (n->end == ENDBODY_NOT || n->child != NULL))
401 child = (*mdocs[n->tok].pre)(meta, n, h);
402 break;
403 }
404
405 if (h->flags & HTML_KEEP && n->flags & NODE_LINE) {
406 h->flags &= ~HTML_KEEP;
407 h->flags |= HTML_PREKEEP;
408 }
409
410 if (child && n->child)
411 print_mdoc_nodelist(meta, n->child, h);
412
413 print_stagq(h, t);
414
415 switch (n->type) {
416 case ROFFT_EQN:
417 break;
418 default:
419 if (n->tok < ROFF_MAX ||
420 mdocs[n->tok].post == NULL ||
421 n->flags & NODE_ENDED)
422 break;
423 (*mdocs[n->tok].post)(meta, n, h);
424 if (n->end != ENDBODY_NOT)
425 n->body->flags |= NODE_ENDED;
426 break;
427 }
428 }
429
430 static void
431 mdoc_root_post(MDOC_ARGS)
432 {
433 struct tag *t, *tt;
434
435 t = print_otag(h, TAG_TABLE, "c", "foot");
436 tt = print_otag(h, TAG_TR, "");
437
438 print_otag(h, TAG_TD, "c", "foot-date");
439 print_text(h, meta->date);
440 print_stagq(h, tt);
441
442 print_otag(h, TAG_TD, "c", "foot-os");
443 print_text(h, meta->os);
444 print_tagq(h, t);
445 }
446
447 static int
448 mdoc_root_pre(MDOC_ARGS)
449 {
450 struct tag *t, *tt;
451 char *volume, *title;
452
453 if (NULL == meta->arch)
454 volume = mandoc_strdup(meta->vol);
455 else
456 mandoc_asprintf(&volume, "%s (%s)",
457 meta->vol, meta->arch);
458
459 if (NULL == meta->msec)
460 title = mandoc_strdup(meta->title);
461 else
462 mandoc_asprintf(&title, "%s(%s)",
463 meta->title, meta->msec);
464
465 t = print_otag(h, TAG_TABLE, "c", "head");
466 tt = print_otag(h, TAG_TR, "");
467
468 print_otag(h, TAG_TD, "c", "head-ltitle");
469 print_text(h, title);
470 print_stagq(h, tt);
471
472 print_otag(h, TAG_TD, "c", "head-vol");
473 print_text(h, volume);
474 print_stagq(h, tt);
475
476 print_otag(h, TAG_TD, "c", "head-rtitle");
477 print_text(h, title);
478 print_tagq(h, t);
479
480 free(title);
481 free(volume);
482 return 1;
483 }
484
485 static char *
486 cond_id(const struct roff_node *n)
487 {
488 if (n->child != NULL &&
489 n->child->type == ROFFT_TEXT &&
490 (n->prev == NULL ||
491 (n->prev->type == ROFFT_TEXT &&
492 strcmp(n->prev->string, "|") == 0)) &&
493 (n->parent->tok == MDOC_It ||
494 (n->parent->tok == MDOC_Xo &&
495 n->parent->parent->prev == NULL &&
496 n->parent->parent->parent->tok == MDOC_It)))
497 return html_make_id(n);
498 return NULL;
499 }
500
501 static int
502 mdoc_sh_pre(MDOC_ARGS)
503 {
504 char *id;
505
506 switch (n->type) {
507 case ROFFT_HEAD:
508 id = html_make_id(n);
509 print_otag(h, TAG_H1, "cTi", "Sh", id);
510 if (id != NULL)
511 print_otag(h, TAG_A, "chR", "selflink", id);
512 free(id);
513 break;
514 case ROFFT_BODY:
515 if (n->sec == SEC_AUTHORS)
516 h->flags &= ~(HTML_SPLIT|HTML_NOSPLIT);
517 break;
518 default:
519 break;
520 }
521 return 1;
522 }
523
524 static int
525 mdoc_ss_pre(MDOC_ARGS)
526 {
527 char *id;
528
529 if (n->type != ROFFT_HEAD)
530 return 1;
531
532 id = html_make_id(n);
533 print_otag(h, TAG_H2, "cTi", "Ss", id);
534 if (id != NULL)
535 print_otag(h, TAG_A, "chR", "selflink", id);
536 free(id);
537 return 1;
538 }
539
540 static int
541 mdoc_fl_pre(MDOC_ARGS)
542 {
543 char *id;
544
545 if ((id = cond_id(n)) != NULL)
546 print_otag(h, TAG_A, "chR", "selflink", id);
547 print_otag(h, TAG_B, "cTi", "Fl", id);
548 free(id);
549
550 print_text(h, "\\-");
551 if (!(n->child == NULL &&
552 (n->next == NULL ||
553 n->next->type == ROFFT_TEXT ||
554 n->next->flags & NODE_LINE)))
555 h->flags |= HTML_NOSPACE;
556
557 return 1;
558 }
559
560 static int
561 mdoc_cm_pre(MDOC_ARGS)
562 {
563 char *id;
564
565 if ((id = cond_id(n)) != NULL)
566 print_otag(h, TAG_A, "chR", "selflink", id);
567 print_otag(h, TAG_B, "cTi", "Cm", id);
568 free(id);
569 return 1;
570 }
571
572 static int
573 mdoc_nd_pre(MDOC_ARGS)
574 {
575 if (n->type != ROFFT_BODY)
576 return 1;
577
578 /* XXX: this tag in theory can contain block elements. */
579
580 print_text(h, "\\(em");
581 print_otag(h, TAG_SPAN, "cT", "Nd");
582 return 1;
583 }
584
585 static int
586 mdoc_nm_pre(MDOC_ARGS)
587 {
588 switch (n->type) {
589 case ROFFT_HEAD:
590 print_otag(h, TAG_TD, "");
591 /* FALLTHROUGH */
592 case ROFFT_ELEM:
593 print_otag(h, TAG_B, "cT", "Nm");
594 return 1;
595 case ROFFT_BODY:
596 print_otag(h, TAG_TD, "");
597 return 1;
598 default:
599 break;
600 }
601 synopsis_pre(h, n);
602 print_otag(h, TAG_TABLE, "c", "Nm");
603 print_otag(h, TAG_TR, "");
604 return 1;
605 }
606
607 static int
608 mdoc_xr_pre(MDOC_ARGS)
609 {
610 if (NULL == n->child)
611 return 0;
612
613 if (h->base_man)
614 print_otag(h, TAG_A, "cThM", "Xr",
615 n->child->string, n->child->next == NULL ?
616 NULL : n->child->next->string);
617 else
618 print_otag(h, TAG_A, "cT", "Xr");
619
620 n = n->child;
621 print_text(h, n->string);
622
623 if (NULL == (n = n->next))
624 return 0;
625
626 h->flags |= HTML_NOSPACE;
627 print_text(h, "(");
628 h->flags |= HTML_NOSPACE;
629 print_text(h, n->string);
630 h->flags |= HTML_NOSPACE;
631 print_text(h, ")");
632 return 0;
633 }
634
635 static int
636 mdoc_ns_pre(MDOC_ARGS)
637 {
638
639 if ( ! (NODE_LINE & n->flags))
640 h->flags |= HTML_NOSPACE;
641 return 1;
642 }
643
644 static int
645 mdoc_ar_pre(MDOC_ARGS)
646 {
647 print_otag(h, TAG_VAR, "cT", "Ar");
648 return 1;
649 }
650
651 static int
652 mdoc_xx_pre(MDOC_ARGS)
653 {
654 print_otag(h, TAG_SPAN, "c", "Ux");
655 return 1;
656 }
657
658 static int
659 mdoc_it_pre(MDOC_ARGS)
660 {
661 const struct roff_node *bl;
662 struct tag *t;
663 const char *cattr;
664 enum mdoc_list type;
665
666 bl = n->parent;
667 while (bl->tok != MDOC_Bl)
668 bl = bl->parent;
669 type = bl->norm->Bl.type;
670
671 switch (type) {
672 case LIST_bullet:
673 cattr = "It-bullet";
674 break;
675 case LIST_dash:
676 case LIST_hyphen:
677 cattr = "It-dash";
678 break;
679 case LIST_item:
680 cattr = "It-item";
681 break;
682 case LIST_enum:
683 cattr = "It-enum";
684 break;
685 case LIST_diag:
686 cattr = "It-diag";
687 break;
688 case LIST_hang:
689 cattr = "It-hang";
690 break;
691 case LIST_inset:
692 cattr = "It-inset";
693 break;
694 case LIST_ohang:
695 cattr = "It-ohang";
696 break;
697 case LIST_tag:
698 cattr = "It-tag";
699 break;
700 case LIST_column:
701 cattr = "It-column";
702 break;
703 default:
704 break;
705 }
706
707 switch (type) {
708 case LIST_bullet:
709 case LIST_dash:
710 case LIST_hyphen:
711 case LIST_item:
712 case LIST_enum:
713 switch (n->type) {
714 case ROFFT_HEAD:
715 return 0;
716 case ROFFT_BODY:
717 if (bl->norm->Bl.comp)
718 print_otag(h, TAG_LI, "csvt", cattr, 0);
719 else
720 print_otag(h, TAG_LI, "c", cattr);
721 break;
722 default:
723 break;
724 }
725 break;
726 case LIST_diag:
727 case LIST_hang:
728 case LIST_inset:
729 case LIST_ohang:
730 switch (n->type) {
731 case ROFFT_HEAD:
732 if (bl->norm->Bl.comp)
733 print_otag(h, TAG_DT, "csvt", cattr, 0);
734 else
735 print_otag(h, TAG_DT, "c", cattr);
736 if (type == LIST_diag)
737 print_otag(h, TAG_B, "c", cattr);
738 break;
739 case ROFFT_BODY:
740 print_otag(h, TAG_DD, "cswl", cattr,
741 bl->norm->Bl.width);
742 break;
743 default:
744 break;
745 }
746 break;
747 case LIST_tag:
748 switch (n->type) {
749 case ROFFT_HEAD:
750 if (h->style != NULL && !bl->norm->Bl.comp &&
751 (n->parent->prev == NULL ||
752 n->parent->prev->body == NULL ||
753 n->parent->prev->body->child != NULL)) {
754 t = print_otag(h, TAG_DT, "csw+-l",
755 cattr, bl->norm->Bl.width);
756 print_text(h, "\\ ");
757 print_tagq(h, t);
758 t = print_otag(h, TAG_DD, "c", cattr);
759 print_text(h, "\\ ");
760 print_tagq(h, t);
761 }
762 print_otag(h, TAG_DT, "csw+-l", cattr,
763 bl->norm->Bl.width);
764 break;
765 case ROFFT_BODY:
766 if (n->child == NULL) {
767 print_otag(h, TAG_DD, "css?", cattr,
768 "width", "auto");
769 print_text(h, "\\ ");
770 } else
771 print_otag(h, TAG_DD, "c", cattr);
772 break;
773 default:
774 break;
775 }
776 break;
777 case LIST_column:
778 switch (n->type) {
779 case ROFFT_HEAD:
780 break;
781 case ROFFT_BODY:
782 if (bl->norm->Bl.comp)
783 print_otag(h, TAG_TD, "csvt", cattr, 0);
784 else
785 print_otag(h, TAG_TD, "c", cattr);
786 break;
787 default:
788 print_otag(h, TAG_TR, "c", cattr);
789 }
790 default:
791 break;
792 }
793
794 return 1;
795 }
796
797 static int
798 mdoc_bl_pre(MDOC_ARGS)
799 {
800 struct tag *t;
801 struct mdoc_bl *bl;
802 const char *cattr;
803 size_t i;
804 enum htmltag elemtype;
805
806 bl = &n->norm->Bl;
807
808 switch (n->type) {
809 case ROFFT_BODY:
810 return 1;
811
812 case ROFFT_HEAD:
813 if (bl->type != LIST_column || bl->ncols == 0)
814 return 0;
815
816 /*
817 * For each column, print out the <COL> tag with our
818 * suggested width. The last column gets min-width, as
819 * in terminal mode it auto-sizes to the width of the
820 * screen and we want to preserve that behaviour.
821 */
822
823 t = print_otag(h, TAG_COLGROUP, "");
824 for (i = 0; i < bl->ncols - 1; i++)
825 print_otag(h, TAG_COL, "sw+w", bl->cols[i]);
826 print_otag(h, TAG_COL, "swW", bl->cols[i]);
827 print_tagq(h, t);
828 return 0;
829
830 default:
831 break;
832 }
833
834 switch (bl->type) {
835 case LIST_bullet:
836 elemtype = TAG_UL;
837 cattr = "Bl-bullet";
838 break;
839 case LIST_dash:
840 case LIST_hyphen:
841 elemtype = TAG_UL;
842 cattr = "Bl-dash";
843 break;
844 case LIST_item:
845 elemtype = TAG_UL;
846 cattr = "Bl-item";
847 break;
848 case LIST_enum:
849 elemtype = TAG_OL;
850 cattr = "Bl-enum";
851 break;
852 case LIST_diag:
853 elemtype = TAG_DL;
854 cattr = "Bl-diag";
855 break;
856 case LIST_hang:
857 elemtype = TAG_DL;
858 cattr = "Bl-hang";
859 break;
860 case LIST_inset:
861 elemtype = TAG_DL;
862 cattr = "Bl-inset";
863 break;
864 case LIST_ohang:
865 elemtype = TAG_DL;
866 cattr = "Bl-ohang";
867 break;
868 case LIST_tag:
869 cattr = "Bl-tag";
870 if (bl->offs)
871 print_otag(h, TAG_DIV, "cswl", cattr, bl->offs);
872 print_otag(h, TAG_DL, "csw+l", cattr, bl->width);
873 return 1;
874 case LIST_column:
875 elemtype = TAG_TABLE;
876 cattr = "Bl-column";
877 break;
878 default:
879 abort();
880 }
881 print_otag(h, elemtype, "cswl", cattr, bl->offs);
882 return 1;
883 }
884
885 static int
886 mdoc_ex_pre(MDOC_ARGS)
887 {
888 if (n->prev)
889 print_otag(h, TAG_BR, "");
890 return 1;
891 }
892
893 static int
894 mdoc_st_pre(MDOC_ARGS)
895 {
896 print_otag(h, TAG_SPAN, "cT", "St");
897 return 1;
898 }
899
900 static int
901 mdoc_em_pre(MDOC_ARGS)
902 {
903 print_otag(h, TAG_I, "cT", "Em");
904 return 1;
905 }
906
907 static int
908 mdoc_d1_pre(MDOC_ARGS)
909 {
910 if (n->type != ROFFT_BLOCK)
911 return 1;
912
913 print_otag(h, TAG_DIV, "c", "D1");
914
915 if (n->tok == MDOC_Dl)
916 print_otag(h, TAG_CODE, "c", "Li");
917
918 return 1;
919 }
920
921 static int
922 mdoc_sx_pre(MDOC_ARGS)
923 {
924 char *id;
925
926 id = html_make_id(n);
927 print_otag(h, TAG_A, "cThR", "Sx", id);
928 free(id);
929 return 1;
930 }
931
932 static int
933 mdoc_bd_pre(MDOC_ARGS)
934 {
935 int comp, offs, sv;
936 struct roff_node *nn;
937
938 if (n->type == ROFFT_HEAD)
939 return 0;
940
941 if (n->type == ROFFT_BLOCK) {
942 comp = n->norm->Bd.comp;
943 for (nn = n; nn && ! comp; nn = nn->parent) {
944 if (nn->type != ROFFT_BLOCK)
945 continue;
946 if (MDOC_Ss == nn->tok || MDOC_Sh == nn->tok)
947 comp = 1;
948 if (nn->prev)
949 break;
950 }
951 if ( ! comp)
952 print_paragraph(h);
953 return 1;
954 }
955
956 /* Handle the -offset argument. */
957
958 if (n->norm->Bd.offs == NULL ||
959 ! strcmp(n->norm->Bd.offs, "left"))
960 offs = 0;
961 else if ( ! strcmp(n->norm->Bd.offs, "indent"))
962 offs = INDENT;
963 else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
964 offs = INDENT * 2;
965 else
966 offs = -1;
967
968 if (offs == -1)
969 print_otag(h, TAG_DIV, "cswl", "Bd", n->norm->Bd.offs);
970 else
971 print_otag(h, TAG_DIV, "cshl", "Bd", offs);
972
973 if (n->norm->Bd.type != DISP_unfilled &&
974 n->norm->Bd.type != DISP_literal)
975 return 1;
976
977 print_otag(h, TAG_PRE, "c", "Li");
978
979 /* This can be recursive: save & set our literal state. */
980
981 sv = h->flags & HTML_LITERAL;
982 h->flags |= HTML_LITERAL;
983
984 for (nn = n->child; nn; nn = nn->next) {
985 print_mdoc_node(meta, nn, h);
986 /*
987 * If the printed node flushes its own line, then we
988 * needn't do it here as well. This is hacky, but the
989 * notion of selective eoln whitespace is pretty dumb
990 * anyway, so don't sweat it.
991 */
992 switch (nn->tok) {
993 case ROFF_br:
994 case ROFF_sp:
995 case MDOC_Sm:
996 case MDOC_Bl:
997 case MDOC_D1:
998 case MDOC_Dl:
999 case MDOC_Lp:
1000 case MDOC_Pp:
1001 continue;
1002 default:
1003 break;
1004 }
1005 if (h->flags & HTML_NONEWLINE ||
1006 (nn->next && ! (nn->next->flags & NODE_LINE)))
1007 continue;
1008 else if (nn->next)
1009 print_text(h, "\n");
1010
1011 h->flags |= HTML_NOSPACE;
1012 }
1013
1014 if (0 == sv)
1015 h->flags &= ~HTML_LITERAL;
1016
1017 return 0;
1018 }
1019
1020 static int
1021 mdoc_pa_pre(MDOC_ARGS)
1022 {
1023 print_otag(h, TAG_I, "cT", "Pa");
1024 return 1;
1025 }
1026
1027 static int
1028 mdoc_ad_pre(MDOC_ARGS)
1029 {
1030 print_otag(h, TAG_I, "c", "Ad");
1031 return 1;
1032 }
1033
1034 static int
1035 mdoc_an_pre(MDOC_ARGS)
1036 {
1037 if (n->norm->An.auth == AUTH_split) {
1038 h->flags &= ~HTML_NOSPLIT;
1039 h->flags |= HTML_SPLIT;
1040 return 0;
1041 }
1042 if (n->norm->An.auth == AUTH_nosplit) {
1043 h->flags &= ~HTML_SPLIT;
1044 h->flags |= HTML_NOSPLIT;
1045 return 0;
1046 }
1047
1048 if (h->flags & HTML_SPLIT)
1049 print_otag(h, TAG_BR, "");
1050
1051 if (n->sec == SEC_AUTHORS && ! (h->flags & HTML_NOSPLIT))
1052 h->flags |= HTML_SPLIT;
1053
1054 print_otag(h, TAG_SPAN, "cT", "An");
1055 return 1;
1056 }
1057
1058 static int
1059 mdoc_cd_pre(MDOC_ARGS)
1060 {
1061 synopsis_pre(h, n);
1062 print_otag(h, TAG_B, "cT", "Cd");
1063 return 1;
1064 }
1065
1066 static int
1067 mdoc_dv_pre(MDOC_ARGS)
1068 {
1069 char *id;
1070
1071 if ((id = cond_id(n)) != NULL)
1072 print_otag(h, TAG_A, "chR", "selflink", id);
1073 print_otag(h, TAG_CODE, "cTi", "Dv", id);
1074 free(id);
1075 return 1;
1076 }
1077
1078 static int
1079 mdoc_ev_pre(MDOC_ARGS)
1080 {
1081 char *id;
1082
1083 if ((id = cond_id(n)) != NULL)
1084 print_otag(h, TAG_A, "chR", "selflink", id);
1085 print_otag(h, TAG_CODE, "cTi", "Ev", id);
1086 free(id);
1087 return 1;
1088 }
1089
1090 static int
1091 mdoc_er_pre(MDOC_ARGS)
1092 {
1093 char *id;
1094
1095 id = n->sec == SEC_ERRORS &&
1096 (n->parent->tok == MDOC_It ||
1097 (n->parent->tok == MDOC_Bq &&
1098 n->parent->parent->parent->tok == MDOC_It)) ?
1099 html_make_id(n) : NULL;
1100
1101 if (id != NULL)
1102 print_otag(h, TAG_A, "chR", "selflink", id);
1103 print_otag(h, TAG_CODE, "cTi", "Er", id);
1104 free(id);
1105 return 1;
1106 }
1107
1108 static int
1109 mdoc_fa_pre(MDOC_ARGS)
1110 {
1111 const struct roff_node *nn;
1112 struct tag *t;
1113
1114 if (n->parent->tok != MDOC_Fo) {
1115 print_otag(h, TAG_VAR, "cT", "Fa");
1116 return 1;
1117 }
1118
1119 for (nn = n->child; nn; nn = nn->next) {
1120 t = print_otag(h, TAG_VAR, "cT", "Fa");
1121 print_text(h, nn->string);
1122 print_tagq(h, t);
1123 if (nn->next) {
1124 h->flags |= HTML_NOSPACE;
1125 print_text(h, ",");
1126 }
1127 }
1128
1129 if (n->child && n->next && n->next->tok == MDOC_Fa) {
1130 h->flags |= HTML_NOSPACE;
1131 print_text(h, ",");
1132 }
1133
1134 return 0;
1135 }
1136
1137 static int
1138 mdoc_fd_pre(MDOC_ARGS)
1139 {
1140 struct tag *t;
1141 char *buf, *cp;
1142
1143 synopsis_pre(h, n);
1144
1145 if (NULL == (n = n->child))
1146 return 0;
1147
1148 assert(n->type == ROFFT_TEXT);
1149
1150 if (strcmp(n->string, "#include")) {
1151 print_otag(h, TAG_B, "cT", "Fd");
1152 return 1;
1153 }
1154
1155 print_otag(h, TAG_B, "cT", "In");
1156 print_text(h, n->string);
1157
1158 if (NULL != (n = n->next)) {
1159 assert(n->type == ROFFT_TEXT);
1160
1161 if (h->base_includes) {
1162 cp = n->string;
1163 if (*cp == '<' || *cp == '"')
1164 cp++;
1165 buf = mandoc_strdup(cp);
1166 cp = strchr(buf, '\0') - 1;
1167 if (cp >= buf && (*cp == '>' || *cp == '"'))
1168 *cp = '\0';
1169 t = print_otag(h, TAG_A, "cThI", "In", buf);
1170 free(buf);
1171 } else
1172 t = print_otag(h, TAG_A, "cT", "In");
1173
1174 print_text(h, n->string);
1175 print_tagq(h, t);
1176
1177 n = n->next;
1178 }
1179
1180 for ( ; n; n = n->next) {
1181 assert(n->type == ROFFT_TEXT);
1182 print_text(h, n->string);
1183 }
1184
1185 return 0;
1186 }
1187
1188 static int
1189 mdoc_vt_pre(MDOC_ARGS)
1190 {
1191 if (n->type == ROFFT_BLOCK) {
1192 synopsis_pre(h, n);
1193 return 1;
1194 } else if (n->type == ROFFT_ELEM) {
1195 synopsis_pre(h, n);
1196 } else if (n->type == ROFFT_HEAD)
1197 return 0;
1198
1199 print_otag(h, TAG_VAR, "cT", "Vt");
1200 return 1;
1201 }
1202
1203 static int
1204 mdoc_ft_pre(MDOC_ARGS)
1205 {
1206 synopsis_pre(h, n);
1207 print_otag(h, TAG_VAR, "cT", "Ft");
1208 return 1;
1209 }
1210
1211 static int
1212 mdoc_fn_pre(MDOC_ARGS)
1213 {
1214 struct tag *t;
1215 char nbuf[BUFSIZ];
1216 const char *sp, *ep;
1217 int sz, pretty;
1218
1219 pretty = NODE_SYNPRETTY & n->flags;
1220 synopsis_pre(h, n);
1221
1222 /* Split apart into type and name. */
1223 assert(n->child->string);
1224 sp = n->child->string;
1225
1226 ep = strchr(sp, ' ');
1227 if (NULL != ep) {
1228 t = print_otag(h, TAG_VAR, "cT", "Ft");
1229
1230 while (ep) {
1231 sz = MIN((int)(ep - sp), BUFSIZ - 1);
1232 (void)memcpy(nbuf, sp, (size_t)sz);
1233 nbuf[sz] = '\0';
1234 print_text(h, nbuf);
1235 sp = ++ep;
1236 ep = strchr(sp, ' ');
1237 }
1238 print_tagq(h, t);
1239 }
1240
1241 t = print_otag(h, TAG_B, "cT", "Fn");
1242
1243 if (sp)
1244 print_text(h, sp);
1245
1246 print_tagq(h, t);
1247
1248 h->flags |= HTML_NOSPACE;
1249 print_text(h, "(");
1250 h->flags |= HTML_NOSPACE;
1251
1252 for (n = n->child->next; n; n = n->next) {
1253 if (NODE_SYNPRETTY & n->flags)
1254 t = print_otag(h, TAG_VAR, "cTss?", "Fa",
1255 "white-space", "nowrap");
1256 else
1257 t = print_otag(h, TAG_VAR, "cT", "Fa");
1258 print_text(h, n->string);
1259 print_tagq(h, t);
1260 if (n->next) {
1261 h->flags |= HTML_NOSPACE;
1262 print_text(h, ",");
1263 }
1264 }
1265
1266 h->flags |= HTML_NOSPACE;
1267 print_text(h, ")");
1268
1269 if (pretty) {
1270 h->flags |= HTML_NOSPACE;
1271 print_text(h, ";");
1272 }
1273
1274 return 0;
1275 }
1276
1277 static int
1278 mdoc_sm_pre(MDOC_ARGS)
1279 {
1280
1281 if (NULL == n->child)
1282 h->flags ^= HTML_NONOSPACE;
1283 else if (0 == strcmp("on", n->child->string))
1284 h->flags &= ~HTML_NONOSPACE;
1285 else
1286 h->flags |= HTML_NONOSPACE;
1287
1288 if ( ! (HTML_NONOSPACE & h->flags))
1289 h->flags &= ~HTML_NOSPACE;
1290
1291 return 0;
1292 }
1293
1294 static int
1295 mdoc_skip_pre(MDOC_ARGS)
1296 {
1297
1298 return 0;
1299 }
1300
1301 static int
1302 mdoc_pp_pre(MDOC_ARGS)
1303 {
1304
1305 print_paragraph(h);
1306 return 0;
1307 }
1308
1309 static int
1310 mdoc_lk_pre(MDOC_ARGS)
1311 {
1312 const struct roff_node *link, *descr, *punct;
1313 struct tag *t;
1314
1315 if ((link = n->child) == NULL)
1316 return 0;
1317
1318 /* Find beginning of trailing punctuation. */
1319 punct = n->last;
1320 while (punct != link && punct->flags & NODE_DELIMC)
1321 punct = punct->prev;
1322 punct = punct->next;
1323
1324 /* Link target and link text. */
1325 t = print_otag(h, TAG_A, "cTh", "Lk", link->string);
1326 for (descr = link->next; descr != punct; descr = descr->next) {
1327 if (descr->flags & (NODE_DELIMC | NODE_DELIMO))
1328 h->flags |= HTML_NOSPACE;
1329 print_text(h, descr->string);
1330 }
1331 print_tagq(h, t);
1332
1333 /* Trailing punctuation. */
1334 while (punct != NULL) {
1335 h->flags |= HTML_NOSPACE;
1336 print_text(h, punct->string);
1337 punct = punct->next;
1338 }
1339 return 0;
1340 }
1341
1342 static int
1343 mdoc_mt_pre(MDOC_ARGS)
1344 {
1345 struct tag *t;
1346 char *cp;
1347
1348 for (n = n->child; n; n = n->next) {
1349 assert(n->type == ROFFT_TEXT);
1350
1351 mandoc_asprintf(&cp, "mailto:%s", n->string);
1352 t = print_otag(h, TAG_A, "cTh", "Mt", cp);
1353 print_text(h, n->string);
1354 print_tagq(h, t);
1355 free(cp);
1356 }
1357
1358 return 0;
1359 }
1360
1361 static int
1362 mdoc_fo_pre(MDOC_ARGS)
1363 {
1364 struct tag *t;
1365
1366 if (n->type == ROFFT_BODY) {
1367 h->flags |= HTML_NOSPACE;
1368 print_text(h, "(");
1369 h->flags |= HTML_NOSPACE;
1370 return 1;
1371 } else if (n->type == ROFFT_BLOCK) {
1372 synopsis_pre(h, n);
1373 return 1;
1374 }
1375
1376 if (n->child == NULL)
1377 return 0;
1378
1379 assert(n->child->string);
1380 t = print_otag(h, TAG_B, "cT", "Fn");
1381 print_text(h, n->child->string);
1382 print_tagq(h, t);
1383 return 0;
1384 }
1385
1386 static void
1387 mdoc_fo_post(MDOC_ARGS)
1388 {
1389
1390 if (n->type != ROFFT_BODY)
1391 return;
1392 h->flags |= HTML_NOSPACE;
1393 print_text(h, ")");
1394 h->flags |= HTML_NOSPACE;
1395 print_text(h, ";");
1396 }
1397
1398 static int
1399 mdoc_in_pre(MDOC_ARGS)
1400 {
1401 struct tag *t;
1402
1403 synopsis_pre(h, n);
1404 print_otag(h, TAG_B, "cT", "In");
1405
1406 /*
1407 * The first argument of the `In' gets special treatment as
1408 * being a linked value. Subsequent values are printed
1409 * afterward. groff does similarly. This also handles the case
1410 * of no children.
1411 */
1412
1413 if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags)
1414 print_text(h, "#include");
1415
1416 print_text(h, "<");
1417 h->flags |= HTML_NOSPACE;
1418
1419 if (NULL != (n = n->child)) {
1420 assert(n->type == ROFFT_TEXT);
1421
1422 if (h->base_includes)
1423 t = print_otag(h, TAG_A, "cThI", "In", n->string);
1424 else
1425 t = print_otag(h, TAG_A, "cT", "In");
1426 print_text(h, n->string);
1427 print_tagq(h, t);
1428
1429 n = n->next;
1430 }
1431
1432 h->flags |= HTML_NOSPACE;
1433 print_text(h, ">");
1434
1435 for ( ; n; n = n->next) {
1436 assert(n->type == ROFFT_TEXT);
1437 print_text(h, n->string);
1438 }
1439
1440 return 0;
1441 }
1442
1443 static int
1444 mdoc_ic_pre(MDOC_ARGS)
1445 {
1446 char *id;
1447
1448 if ((id = cond_id(n)) != NULL)
1449 print_otag(h, TAG_A, "chR", "selflink", id);
1450 print_otag(h, TAG_B, "cTi", "Ic", id);
1451 free(id);
1452 return 1;
1453 }
1454
1455 static int
1456 mdoc_va_pre(MDOC_ARGS)
1457 {
1458 print_otag(h, TAG_VAR, "cT", "Va");
1459 return 1;
1460 }
1461
1462 static int
1463 mdoc_ap_pre(MDOC_ARGS)
1464 {
1465
1466 h->flags |= HTML_NOSPACE;
1467 print_text(h, "\\(aq");
1468 h->flags |= HTML_NOSPACE;
1469 return 1;
1470 }
1471
1472 static int
1473 mdoc_bf_pre(MDOC_ARGS)
1474 {
1475 const char *cattr;
1476
1477 if (n->type == ROFFT_HEAD)
1478 return 0;
1479 else if (n->type != ROFFT_BODY)
1480 return 1;
1481
1482 if (FONT_Em == n->norm->Bf.font)
1483 cattr = "Em";
1484 else if (FONT_Sy == n->norm->Bf.font)
1485 cattr = "Sy";
1486 else if (FONT_Li == n->norm->Bf.font)
1487 cattr = "Li";
1488 else
1489 cattr = "No";
1490
1491 /*
1492 * We want this to be inline-formatted, but needs to be div to
1493 * accept block children.
1494 */
1495
1496 print_otag(h, TAG_DIV, "css?hl", cattr, "display", "inline", 1);
1497 return 1;
1498 }
1499
1500 static int
1501 mdoc_ms_pre(MDOC_ARGS)
1502 {
1503 char *id;
1504
1505 if ((id = cond_id(n)) != NULL)
1506 print_otag(h, TAG_A, "chR", "selflink", id);
1507 print_otag(h, TAG_B, "cTi", "Ms", id);
1508 free(id);
1509 return 1;
1510 }
1511
1512 static int
1513 mdoc_igndelim_pre(MDOC_ARGS)
1514 {
1515
1516 h->flags |= HTML_IGNDELIM;
1517 return 1;
1518 }
1519
1520 static void
1521 mdoc_pf_post(MDOC_ARGS)
1522 {
1523
1524 if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1525 h->flags |= HTML_NOSPACE;
1526 }
1527
1528 static int
1529 mdoc_rs_pre(MDOC_ARGS)
1530 {
1531 if (n->type != ROFFT_BLOCK)
1532 return 1;
1533
1534 if (n->prev && SEC_SEE_ALSO == n->sec)
1535 print_paragraph(h);
1536
1537 print_otag(h, TAG_CITE, "cT", "Rs");
1538 return 1;
1539 }
1540
1541 static int
1542 mdoc_no_pre(MDOC_ARGS)
1543 {
1544 char *id;
1545
1546 if ((id = cond_id(n)) != NULL)
1547 print_otag(h, TAG_A, "chR", "selflink", id);
1548 print_otag(h, TAG_SPAN, "ci", "No", id);
1549 free(id);
1550 return 1;
1551 }
1552
1553 static int
1554 mdoc_li_pre(MDOC_ARGS)
1555 {
1556 char *id;
1557
1558 if ((id = cond_id(n)) != NULL)
1559 print_otag(h, TAG_A, "chR", "selflink", id);
1560 print_otag(h, TAG_CODE, "ci", "Li", id);
1561 free(id);
1562 return 1;
1563 }
1564
1565 static int
1566 mdoc_sy_pre(MDOC_ARGS)
1567 {
1568 print_otag(h, TAG_B, "cT", "Sy");
1569 return 1;
1570 }
1571
1572 static int
1573 mdoc_lb_pre(MDOC_ARGS)
1574 {
1575 if (SEC_LIBRARY == n->sec && NODE_LINE & n->flags && n->prev)
1576 print_otag(h, TAG_BR, "");
1577
1578 print_otag(h, TAG_SPAN, "cT", "Lb");
1579 return 1;
1580 }
1581
1582 static int
1583 mdoc__x_pre(MDOC_ARGS)
1584 {
1585 const char *cattr;
1586 enum htmltag t;
1587
1588 t = TAG_SPAN;
1589
1590 switch (n->tok) {
1591 case MDOC__A:
1592 cattr = "RsA";
1593 if (n->prev && MDOC__A == n->prev->tok)
1594 if (NULL == n->next || MDOC__A != n->next->tok)
1595 print_text(h, "and");
1596 break;
1597 case MDOC__B:
1598 t = TAG_I;
1599 cattr = "RsB";
1600 break;
1601 case MDOC__C:
1602 cattr = "RsC";
1603 break;
1604 case MDOC__D:
1605 cattr = "RsD";
1606 break;
1607 case MDOC__I:
1608 t = TAG_I;
1609 cattr = "RsI";
1610 break;
1611 case MDOC__J:
1612 t = TAG_I;
1613 cattr = "RsJ";
1614 break;
1615 case MDOC__N:
1616 cattr = "RsN";
1617 break;
1618 case MDOC__O:
1619 cattr = "RsO";
1620 break;
1621 case MDOC__P:
1622 cattr = "RsP";
1623 break;
1624 case MDOC__Q:
1625 cattr = "RsQ";
1626 break;
1627 case MDOC__R:
1628 cattr = "RsR";
1629 break;
1630 case MDOC__T:
1631 cattr = "RsT";
1632 break;
1633 case MDOC__U:
1634 print_otag(h, TAG_A, "ch", "RsU", n->child->string);
1635 return 1;
1636 case MDOC__V:
1637 cattr = "RsV";
1638 break;
1639 default:
1640 abort();
1641 }
1642
1643 print_otag(h, t, "c", cattr);
1644 return 1;
1645 }
1646
1647 static void
1648 mdoc__x_post(MDOC_ARGS)
1649 {
1650
1651 if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
1652 if (NULL == n->next->next || MDOC__A != n->next->next->tok)
1653 if (NULL == n->prev || MDOC__A != n->prev->tok)
1654 return;
1655
1656 /* TODO: %U */
1657
1658 if (NULL == n->parent || MDOC_Rs != n->parent->tok)
1659 return;
1660
1661 h->flags |= HTML_NOSPACE;
1662 print_text(h, n->next ? "," : ".");
1663 }
1664
1665 static int
1666 mdoc_bk_pre(MDOC_ARGS)
1667 {
1668
1669 switch (n->type) {
1670 case ROFFT_BLOCK:
1671 break;
1672 case ROFFT_HEAD:
1673 return 0;
1674 case ROFFT_BODY:
1675 if (n->parent->args != NULL || n->prev->child == NULL)
1676 h->flags |= HTML_PREKEEP;
1677 break;
1678 default:
1679 abort();
1680 }
1681
1682 return 1;
1683 }
1684
1685 static void
1686 mdoc_bk_post(MDOC_ARGS)
1687 {
1688
1689 if (n->type == ROFFT_BODY)
1690 h->flags &= ~(HTML_KEEP | HTML_PREKEEP);
1691 }
1692
1693 static int
1694 mdoc_quote_pre(MDOC_ARGS)
1695 {
1696 if (n->type != ROFFT_BODY)
1697 return 1;
1698
1699 switch (n->tok) {
1700 case MDOC_Ao:
1701 case MDOC_Aq:
1702 print_text(h, n->child != NULL && n->child->next == NULL &&
1703 n->child->tok == MDOC_Mt ? "<" : "\\(la");
1704 break;
1705 case MDOC_Bro:
1706 case MDOC_Brq:
1707 print_text(h, "\\(lC");
1708 break;
1709 case MDOC_Bo:
1710 case MDOC_Bq:
1711 print_text(h, "\\(lB");
1712 break;
1713 case MDOC_Oo:
1714 case MDOC_Op:
1715 print_text(h, "\\(lB");
1716 h->flags |= HTML_NOSPACE;
1717 print_otag(h, TAG_SPAN, "c", "Op");
1718 break;
1719 case MDOC_En:
1720 if (NULL == n->norm->Es ||
1721 NULL == n->norm->Es->child)
1722 return 1;
1723 print_text(h, n->norm->Es->child->string);
1724 break;
1725 case MDOC_Do:
1726 case MDOC_Dq:
1727 case MDOC_Qo:
1728 case MDOC_Qq:
1729 print_text(h, "\\(lq");
1730 break;
1731 case MDOC_Po:
1732 case MDOC_Pq:
1733 print_text(h, "(");
1734 break;
1735 case MDOC_Ql:
1736 print_text(h, "\\(oq");
1737 h->flags |= HTML_NOSPACE;
1738 print_otag(h, TAG_CODE, "c", "Li");
1739 break;
1740 case MDOC_So:
1741 case MDOC_Sq:
1742 print_text(h, "\\(oq");
1743 break;
1744 default:
1745 abort();
1746 }
1747
1748 h->flags |= HTML_NOSPACE;
1749 return 1;
1750 }
1751
1752 static void
1753 mdoc_quote_post(MDOC_ARGS)
1754 {
1755
1756 if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1757 return;
1758
1759 h->flags |= HTML_NOSPACE;
1760
1761 switch (n->tok) {
1762 case MDOC_Ao:
1763 case MDOC_Aq:
1764 print_text(h, n->child != NULL && n->child->next == NULL &&
1765 n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1766 break;
1767 case MDOC_Bro:
1768 case MDOC_Brq:
1769 print_text(h, "\\(rC");
1770 break;
1771 case MDOC_Oo:
1772 case MDOC_Op:
1773 case MDOC_Bo:
1774 case MDOC_Bq:
1775 print_text(h, "\\(rB");
1776 break;
1777 case MDOC_En:
1778 if (n->norm->Es == NULL ||
1779 n->norm->Es->child == NULL ||
1780 n->norm->Es->child->next == NULL)
1781 h->flags &= ~HTML_NOSPACE;
1782 else
1783 print_text(h, n->norm->Es->child->next->string);
1784 break;
1785 case MDOC_Qo:
1786 case MDOC_Qq:
1787 case MDOC_Do:
1788 case MDOC_Dq:
1789 print_text(h, "\\(rq");
1790 break;
1791 case MDOC_Po:
1792 case MDOC_Pq:
1793 print_text(h, ")");
1794 break;
1795 case MDOC_Ql:
1796 case MDOC_So:
1797 case MDOC_Sq:
1798 print_text(h, "\\(cq");
1799 break;
1800 default:
1801 abort();
1802 }
1803 }
1804
1805 static int
1806 mdoc_eo_pre(MDOC_ARGS)
1807 {
1808
1809 if (n->type != ROFFT_BODY)
1810 return 1;
1811
1812 if (n->end == ENDBODY_NOT &&
1813 n->parent->head->child == NULL &&
1814 n->child != NULL &&
1815 n->child->end != ENDBODY_NOT)
1816 print_text(h, "\\&");
1817 else if (n->end != ENDBODY_NOT ? n->child != NULL :
1818 n->parent->head->child != NULL && (n->child != NULL ||
1819 (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1820 h->flags |= HTML_NOSPACE;
1821 return 1;
1822 }
1823
1824 static void
1825 mdoc_eo_post(MDOC_ARGS)
1826 {
1827 int body, tail;
1828
1829 if (n->type != ROFFT_BODY)
1830 return;
1831
1832 if (n->end != ENDBODY_NOT) {
1833 h->flags &= ~HTML_NOSPACE;
1834 return;
1835 }
1836
1837 body = n->child != NULL || n->parent->head->child != NULL;
1838 tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1839
1840 if (body && tail)
1841 h->flags |= HTML_NOSPACE;
1842 else if ( ! tail)
1843 h->flags &= ~HTML_NOSPACE;
1844 }
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