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[mandoc.git] / mdoc_html.c
1 /* $Id: mdoc_html.c,v 1.225 2015/02/12 12:24:33 schwarze Exp $ */
2 /*
3 * Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
4 * Copyright (c) 2014, 2015 Ingo Schwarze <schwarze@openbsd.org>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18 #include "config.h"
19
20 #include <sys/types.h>
21
22 #include <assert.h>
23 #include <ctype.h>
24 #include <stdio.h>
25 #include <stdlib.h>
26 #include <string.h>
27 #include <unistd.h>
28
29 #include "mandoc_aux.h"
30 #include "mdoc.h"
31 #include "out.h"
32 #include "html.h"
33 #include "main.h"
34
35 #define INDENT 5
36
37 #define MDOC_ARGS const struct mdoc_meta *meta, \
38 struct mdoc_node *n, \
39 struct html *h
40
41 #ifndef MIN
42 #define MIN(a,b) ((/*CONSTCOND*/(a)<(b))?(a):(b))
43 #endif
44
45 struct htmlmdoc {
46 int (*pre)(MDOC_ARGS);
47 void (*post)(MDOC_ARGS);
48 };
49
50 static void print_mdoc(MDOC_ARGS);
51 static void print_mdoc_head(MDOC_ARGS);
52 static void print_mdoc_node(MDOC_ARGS);
53 static void print_mdoc_nodelist(MDOC_ARGS);
54 static void synopsis_pre(struct html *,
55 const struct mdoc_node *);
56
57 static void a2width(const char *, struct roffsu *);
58
59 static void mdoc_root_post(MDOC_ARGS);
60 static int mdoc_root_pre(MDOC_ARGS);
61
62 static void mdoc__x_post(MDOC_ARGS);
63 static int mdoc__x_pre(MDOC_ARGS);
64 static int mdoc_ad_pre(MDOC_ARGS);
65 static int mdoc_an_pre(MDOC_ARGS);
66 static int mdoc_ap_pre(MDOC_ARGS);
67 static int mdoc_ar_pre(MDOC_ARGS);
68 static int mdoc_bd_pre(MDOC_ARGS);
69 static int mdoc_bf_pre(MDOC_ARGS);
70 static void mdoc_bk_post(MDOC_ARGS);
71 static int mdoc_bk_pre(MDOC_ARGS);
72 static int mdoc_bl_pre(MDOC_ARGS);
73 static int mdoc_bt_pre(MDOC_ARGS);
74 static int mdoc_bx_pre(MDOC_ARGS);
75 static int mdoc_cd_pre(MDOC_ARGS);
76 static int mdoc_d1_pre(MDOC_ARGS);
77 static int mdoc_dv_pre(MDOC_ARGS);
78 static int mdoc_fa_pre(MDOC_ARGS);
79 static int mdoc_fd_pre(MDOC_ARGS);
80 static int mdoc_fl_pre(MDOC_ARGS);
81 static int mdoc_fn_pre(MDOC_ARGS);
82 static int mdoc_ft_pre(MDOC_ARGS);
83 static int mdoc_em_pre(MDOC_ARGS);
84 static void mdoc_eo_post(MDOC_ARGS);
85 static int mdoc_eo_pre(MDOC_ARGS);
86 static int mdoc_er_pre(MDOC_ARGS);
87 static int mdoc_ev_pre(MDOC_ARGS);
88 static int mdoc_ex_pre(MDOC_ARGS);
89 static void mdoc_fo_post(MDOC_ARGS);
90 static int mdoc_fo_pre(MDOC_ARGS);
91 static int mdoc_ic_pre(MDOC_ARGS);
92 static int mdoc_igndelim_pre(MDOC_ARGS);
93 static int mdoc_in_pre(MDOC_ARGS);
94 static int mdoc_it_pre(MDOC_ARGS);
95 static int mdoc_lb_pre(MDOC_ARGS);
96 static int mdoc_li_pre(MDOC_ARGS);
97 static int mdoc_lk_pre(MDOC_ARGS);
98 static int mdoc_mt_pre(MDOC_ARGS);
99 static int mdoc_ms_pre(MDOC_ARGS);
100 static int mdoc_nd_pre(MDOC_ARGS);
101 static int mdoc_nm_pre(MDOC_ARGS);
102 static int mdoc_no_pre(MDOC_ARGS);
103 static int mdoc_ns_pre(MDOC_ARGS);
104 static int mdoc_pa_pre(MDOC_ARGS);
105 static void mdoc_pf_post(MDOC_ARGS);
106 static int mdoc_pp_pre(MDOC_ARGS);
107 static void mdoc_quote_post(MDOC_ARGS);
108 static int mdoc_quote_pre(MDOC_ARGS);
109 static int mdoc_rs_pre(MDOC_ARGS);
110 static int mdoc_rv_pre(MDOC_ARGS);
111 static int mdoc_sh_pre(MDOC_ARGS);
112 static int mdoc_skip_pre(MDOC_ARGS);
113 static int mdoc_sm_pre(MDOC_ARGS);
114 static int mdoc_sp_pre(MDOC_ARGS);
115 static int mdoc_ss_pre(MDOC_ARGS);
116 static int mdoc_sx_pre(MDOC_ARGS);
117 static int mdoc_sy_pre(MDOC_ARGS);
118 static int mdoc_ud_pre(MDOC_ARGS);
119 static int mdoc_va_pre(MDOC_ARGS);
120 static int mdoc_vt_pre(MDOC_ARGS);
121 static int mdoc_xr_pre(MDOC_ARGS);
122 static int mdoc_xx_pre(MDOC_ARGS);
123
124 static const struct htmlmdoc mdocs[MDOC_MAX] = {
125 {mdoc_ap_pre, NULL}, /* Ap */
126 {NULL, NULL}, /* Dd */
127 {NULL, NULL}, /* Dt */
128 {NULL, NULL}, /* Os */
129 {mdoc_sh_pre, NULL }, /* Sh */
130 {mdoc_ss_pre, NULL }, /* Ss */
131 {mdoc_pp_pre, NULL}, /* Pp */
132 {mdoc_d1_pre, NULL}, /* D1 */
133 {mdoc_d1_pre, NULL}, /* Dl */
134 {mdoc_bd_pre, NULL}, /* Bd */
135 {NULL, NULL}, /* Ed */
136 {mdoc_bl_pre, NULL}, /* Bl */
137 {NULL, NULL}, /* El */
138 {mdoc_it_pre, NULL}, /* It */
139 {mdoc_ad_pre, NULL}, /* Ad */
140 {mdoc_an_pre, NULL}, /* An */
141 {mdoc_ar_pre, NULL}, /* Ar */
142 {mdoc_cd_pre, NULL}, /* Cd */
143 {mdoc_fl_pre, NULL}, /* Cm */
144 {mdoc_dv_pre, NULL}, /* Dv */
145 {mdoc_er_pre, NULL}, /* Er */
146 {mdoc_ev_pre, NULL}, /* Ev */
147 {mdoc_ex_pre, NULL}, /* Ex */
148 {mdoc_fa_pre, NULL}, /* Fa */
149 {mdoc_fd_pre, NULL}, /* Fd */
150 {mdoc_fl_pre, NULL}, /* Fl */
151 {mdoc_fn_pre, NULL}, /* Fn */
152 {mdoc_ft_pre, NULL}, /* Ft */
153 {mdoc_ic_pre, NULL}, /* Ic */
154 {mdoc_in_pre, NULL}, /* In */
155 {mdoc_li_pre, NULL}, /* Li */
156 {mdoc_nd_pre, NULL}, /* Nd */
157 {mdoc_nm_pre, NULL}, /* Nm */
158 {mdoc_quote_pre, mdoc_quote_post}, /* Op */
159 {mdoc_ft_pre, NULL}, /* Ot */
160 {mdoc_pa_pre, NULL}, /* Pa */
161 {mdoc_rv_pre, NULL}, /* Rv */
162 {NULL, NULL}, /* St */
163 {mdoc_va_pre, NULL}, /* Va */
164 {mdoc_vt_pre, NULL}, /* Vt */
165 {mdoc_xr_pre, NULL}, /* Xr */
166 {mdoc__x_pre, mdoc__x_post}, /* %A */
167 {mdoc__x_pre, mdoc__x_post}, /* %B */
168 {mdoc__x_pre, mdoc__x_post}, /* %D */
169 {mdoc__x_pre, mdoc__x_post}, /* %I */
170 {mdoc__x_pre, mdoc__x_post}, /* %J */
171 {mdoc__x_pre, mdoc__x_post}, /* %N */
172 {mdoc__x_pre, mdoc__x_post}, /* %O */
173 {mdoc__x_pre, mdoc__x_post}, /* %P */
174 {mdoc__x_pre, mdoc__x_post}, /* %R */
175 {mdoc__x_pre, mdoc__x_post}, /* %T */
176 {mdoc__x_pre, mdoc__x_post}, /* %V */
177 {NULL, NULL}, /* Ac */
178 {mdoc_quote_pre, mdoc_quote_post}, /* Ao */
179 {mdoc_quote_pre, mdoc_quote_post}, /* Aq */
180 {NULL, NULL}, /* At */
181 {NULL, NULL}, /* Bc */
182 {mdoc_bf_pre, NULL}, /* Bf */
183 {mdoc_quote_pre, mdoc_quote_post}, /* Bo */
184 {mdoc_quote_pre, mdoc_quote_post}, /* Bq */
185 {mdoc_xx_pre, NULL}, /* Bsx */
186 {mdoc_bx_pre, NULL}, /* Bx */
187 {mdoc_skip_pre, NULL}, /* Db */
188 {NULL, NULL}, /* Dc */
189 {mdoc_quote_pre, mdoc_quote_post}, /* Do */
190 {mdoc_quote_pre, mdoc_quote_post}, /* Dq */
191 {NULL, NULL}, /* Ec */ /* FIXME: no space */
192 {NULL, NULL}, /* Ef */
193 {mdoc_em_pre, NULL}, /* Em */
194 {mdoc_eo_pre, mdoc_eo_post}, /* Eo */
195 {mdoc_xx_pre, NULL}, /* Fx */
196 {mdoc_ms_pre, NULL}, /* Ms */
197 {mdoc_no_pre, NULL}, /* No */
198 {mdoc_ns_pre, NULL}, /* Ns */
199 {mdoc_xx_pre, NULL}, /* Nx */
200 {mdoc_xx_pre, NULL}, /* Ox */
201 {NULL, NULL}, /* Pc */
202 {mdoc_igndelim_pre, mdoc_pf_post}, /* Pf */
203 {mdoc_quote_pre, mdoc_quote_post}, /* Po */
204 {mdoc_quote_pre, mdoc_quote_post}, /* Pq */
205 {NULL, NULL}, /* Qc */
206 {mdoc_quote_pre, mdoc_quote_post}, /* Ql */
207 {mdoc_quote_pre, mdoc_quote_post}, /* Qo */
208 {mdoc_quote_pre, mdoc_quote_post}, /* Qq */
209 {NULL, NULL}, /* Re */
210 {mdoc_rs_pre, NULL}, /* Rs */
211 {NULL, NULL}, /* Sc */
212 {mdoc_quote_pre, mdoc_quote_post}, /* So */
213 {mdoc_quote_pre, mdoc_quote_post}, /* Sq */
214 {mdoc_sm_pre, NULL}, /* Sm */
215 {mdoc_sx_pre, NULL}, /* Sx */
216 {mdoc_sy_pre, NULL}, /* Sy */
217 {NULL, NULL}, /* Tn */
218 {mdoc_xx_pre, NULL}, /* Ux */
219 {NULL, NULL}, /* Xc */
220 {NULL, NULL}, /* Xo */
221 {mdoc_fo_pre, mdoc_fo_post}, /* Fo */
222 {NULL, NULL}, /* Fc */
223 {mdoc_quote_pre, mdoc_quote_post}, /* Oo */
224 {NULL, NULL}, /* Oc */
225 {mdoc_bk_pre, mdoc_bk_post}, /* Bk */
226 {NULL, NULL}, /* Ek */
227 {mdoc_bt_pre, NULL}, /* Bt */
228 {NULL, NULL}, /* Hf */
229 {mdoc_em_pre, NULL}, /* Fr */
230 {mdoc_ud_pre, NULL}, /* Ud */
231 {mdoc_lb_pre, NULL}, /* Lb */
232 {mdoc_pp_pre, NULL}, /* Lp */
233 {mdoc_lk_pre, NULL}, /* Lk */
234 {mdoc_mt_pre, NULL}, /* Mt */
235 {mdoc_quote_pre, mdoc_quote_post}, /* Brq */
236 {mdoc_quote_pre, mdoc_quote_post}, /* Bro */
237 {NULL, NULL}, /* Brc */
238 {mdoc__x_pre, mdoc__x_post}, /* %C */
239 {mdoc_skip_pre, NULL}, /* Es */
240 {mdoc_quote_pre, mdoc_quote_post}, /* En */
241 {mdoc_xx_pre, NULL}, /* Dx */
242 {mdoc__x_pre, mdoc__x_post}, /* %Q */
243 {mdoc_sp_pre, NULL}, /* br */
244 {mdoc_sp_pre, NULL}, /* sp */
245 {mdoc__x_pre, mdoc__x_post}, /* %U */
246 {NULL, NULL}, /* Ta */
247 {mdoc_skip_pre, NULL}, /* ll */
248 };
249
250 static const char * const lists[LIST_MAX] = {
251 NULL,
252 "list-bul",
253 "list-col",
254 "list-dash",
255 "list-diag",
256 "list-enum",
257 "list-hang",
258 "list-hyph",
259 "list-inset",
260 "list-item",
261 "list-ohang",
262 "list-tag"
263 };
264
265
266 void
267 html_mdoc(void *arg, const struct mdoc *mdoc)
268 {
269
270 print_mdoc(mdoc_meta(mdoc), mdoc_node(mdoc)->child,
271 (struct html *)arg);
272 putchar('\n');
273 }
274
275 /*
276 * Calculate the scaling unit passed in a `-width' argument. This uses
277 * either a native scaling unit (e.g., 1i, 2m) or the string length of
278 * the value.
279 */
280 static void
281 a2width(const char *p, struct roffsu *su)
282 {
283
284 if (a2roffsu(p, su, SCALE_MAX) < 2) {
285 su->unit = SCALE_EN;
286 su->scale = html_strlen(p);
287 } else if (su->scale < 0.0)
288 su->scale = 0.0;
289 }
290
291 /*
292 * See the same function in mdoc_term.c for documentation.
293 */
294 static void
295 synopsis_pre(struct html *h, const struct mdoc_node *n)
296 {
297
298 if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
299 return;
300
301 if (n->prev->tok == n->tok &&
302 MDOC_Fo != n->tok &&
303 MDOC_Ft != n->tok &&
304 MDOC_Fn != n->tok) {
305 print_otag(h, TAG_BR, 0, NULL);
306 return;
307 }
308
309 switch (n->prev->tok) {
310 case MDOC_Fd:
311 /* FALLTHROUGH */
312 case MDOC_Fn:
313 /* FALLTHROUGH */
314 case MDOC_Fo:
315 /* FALLTHROUGH */
316 case MDOC_In:
317 /* FALLTHROUGH */
318 case MDOC_Vt:
319 print_paragraph(h);
320 break;
321 case MDOC_Ft:
322 if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
323 print_paragraph(h);
324 break;
325 }
326 /* FALLTHROUGH */
327 default:
328 print_otag(h, TAG_BR, 0, NULL);
329 break;
330 }
331 }
332
333 static void
334 print_mdoc(MDOC_ARGS)
335 {
336 struct tag *t, *tt;
337 struct htmlpair tag;
338
339 PAIR_CLASS_INIT(&tag, "mandoc");
340
341 if ( ! (HTML_FRAGMENT & h->oflags)) {
342 print_gen_decls(h);
343 t = print_otag(h, TAG_HTML, 0, NULL);
344 tt = print_otag(h, TAG_HEAD, 0, NULL);
345 print_mdoc_head(meta, n, h);
346 print_tagq(h, tt);
347 print_otag(h, TAG_BODY, 0, NULL);
348 print_otag(h, TAG_DIV, 1, &tag);
349 } else
350 t = print_otag(h, TAG_DIV, 1, &tag);
351
352 print_mdoc_nodelist(meta, n, h);
353 print_tagq(h, t);
354 }
355
356 static void
357 print_mdoc_head(MDOC_ARGS)
358 {
359
360 print_gen_head(h);
361 bufinit(h);
362 bufcat(h, meta->title);
363 if (meta->msec)
364 bufcat_fmt(h, "(%s)", meta->msec);
365 if (meta->arch)
366 bufcat_fmt(h, " (%s)", meta->arch);
367
368 print_otag(h, TAG_TITLE, 0, NULL);
369 print_text(h, h->buf);
370 }
371
372 static void
373 print_mdoc_nodelist(MDOC_ARGS)
374 {
375
376 while (n != NULL) {
377 print_mdoc_node(meta, n, h);
378 n = n->next;
379 }
380 }
381
382 static void
383 print_mdoc_node(MDOC_ARGS)
384 {
385 int child;
386 struct tag *t;
387
388 child = 1;
389 t = h->tags.head;
390 n->flags &= ~MDOC_ENDED;
391
392 switch (n->type) {
393 case MDOC_ROOT:
394 child = mdoc_root_pre(meta, n, h);
395 break;
396 case MDOC_TEXT:
397 /* No tables in this mode... */
398 assert(NULL == h->tblt);
399
400 /*
401 * Make sure that if we're in a literal mode already
402 * (i.e., within a <PRE>) don't print the newline.
403 */
404 if (' ' == *n->string && MDOC_LINE & n->flags)
405 if ( ! (HTML_LITERAL & h->flags))
406 print_otag(h, TAG_BR, 0, NULL);
407 if (MDOC_DELIMC & n->flags)
408 h->flags |= HTML_NOSPACE;
409 print_text(h, n->string);
410 if (MDOC_DELIMO & n->flags)
411 h->flags |= HTML_NOSPACE;
412 return;
413 case MDOC_EQN:
414 print_eqn(h, n->eqn);
415 break;
416 case MDOC_TBL:
417 /*
418 * This will take care of initialising all of the table
419 * state data for the first table, then tearing it down
420 * for the last one.
421 */
422 print_tbl(h, n->span);
423 return;
424 default:
425 /*
426 * Close out the current table, if it's open, and unset
427 * the "meta" table state. This will be reopened on the
428 * next table element.
429 */
430 if (h->tblt != NULL) {
431 print_tblclose(h);
432 t = h->tags.head;
433 }
434 assert(h->tblt == NULL);
435 if (mdocs[n->tok].pre && (n->end == ENDBODY_NOT || n->child))
436 child = (*mdocs[n->tok].pre)(meta, n, h);
437 break;
438 }
439
440 if (h->flags & HTML_KEEP && n->flags & MDOC_LINE) {
441 h->flags &= ~HTML_KEEP;
442 h->flags |= HTML_PREKEEP;
443 }
444
445 if (child && n->child)
446 print_mdoc_nodelist(meta, n->child, h);
447
448 print_stagq(h, t);
449
450 switch (n->type) {
451 case MDOC_ROOT:
452 mdoc_root_post(meta, n, h);
453 break;
454 case MDOC_EQN:
455 break;
456 default:
457 if ( ! mdocs[n->tok].post || n->flags & MDOC_ENDED)
458 break;
459 (*mdocs[n->tok].post)(meta, n, h);
460 if (n->end != ENDBODY_NOT)
461 n->body->flags |= MDOC_ENDED;
462 if (n->end == ENDBODY_NOSPACE)
463 h->flags |= HTML_NOSPACE;
464 break;
465 }
466 }
467
468 static void
469 mdoc_root_post(MDOC_ARGS)
470 {
471 struct htmlpair tag;
472 struct tag *t, *tt;
473
474 PAIR_CLASS_INIT(&tag, "foot");
475 t = print_otag(h, TAG_TABLE, 1, &tag);
476
477 print_otag(h, TAG_TBODY, 0, NULL);
478
479 tt = print_otag(h, TAG_TR, 0, NULL);
480
481 PAIR_CLASS_INIT(&tag, "foot-date");
482 print_otag(h, TAG_TD, 1, &tag);
483 print_text(h, meta->date);
484 print_stagq(h, tt);
485
486 PAIR_CLASS_INIT(&tag, "foot-os");
487 print_otag(h, TAG_TD, 1, &tag);
488 print_text(h, meta->os);
489 print_tagq(h, t);
490 }
491
492 static int
493 mdoc_root_pre(MDOC_ARGS)
494 {
495 struct htmlpair tag;
496 struct tag *t, *tt;
497 char *volume, *title;
498
499 if (NULL == meta->arch)
500 volume = mandoc_strdup(meta->vol);
501 else
502 mandoc_asprintf(&volume, "%s (%s)",
503 meta->vol, meta->arch);
504
505 if (NULL == meta->msec)
506 title = mandoc_strdup(meta->title);
507 else
508 mandoc_asprintf(&title, "%s(%s)",
509 meta->title, meta->msec);
510
511 PAIR_CLASS_INIT(&tag, "head");
512 t = print_otag(h, TAG_TABLE, 1, &tag);
513
514 print_otag(h, TAG_TBODY, 0, NULL);
515
516 tt = print_otag(h, TAG_TR, 0, NULL);
517
518 PAIR_CLASS_INIT(&tag, "head-ltitle");
519 print_otag(h, TAG_TD, 1, &tag);
520 print_text(h, title);
521 print_stagq(h, tt);
522
523 PAIR_CLASS_INIT(&tag, "head-vol");
524 print_otag(h, TAG_TD, 1, &tag);
525 print_text(h, volume);
526 print_stagq(h, tt);
527
528 PAIR_CLASS_INIT(&tag, "head-rtitle");
529 print_otag(h, TAG_TD, 1, &tag);
530 print_text(h, title);
531 print_tagq(h, t);
532
533 free(title);
534 free(volume);
535 return(1);
536 }
537
538 static int
539 mdoc_sh_pre(MDOC_ARGS)
540 {
541 struct htmlpair tag;
542
543 switch (n->type) {
544 case MDOC_BLOCK:
545 PAIR_CLASS_INIT(&tag, "section");
546 print_otag(h, TAG_DIV, 1, &tag);
547 return(1);
548 case MDOC_BODY:
549 if (n->sec == SEC_AUTHORS)
550 h->flags &= ~(HTML_SPLIT|HTML_NOSPLIT);
551 return(1);
552 default:
553 break;
554 }
555
556 bufinit(h);
557 bufcat(h, "x");
558
559 for (n = n->child; n && MDOC_TEXT == n->type; ) {
560 bufcat_id(h, n->string);
561 if (NULL != (n = n->next))
562 bufcat_id(h, " ");
563 }
564
565 if (NULL == n) {
566 PAIR_ID_INIT(&tag, h->buf);
567 print_otag(h, TAG_H1, 1, &tag);
568 } else
569 print_otag(h, TAG_H1, 0, NULL);
570
571 return(1);
572 }
573
574 static int
575 mdoc_ss_pre(MDOC_ARGS)
576 {
577 struct htmlpair tag;
578
579 if (MDOC_BLOCK == n->type) {
580 PAIR_CLASS_INIT(&tag, "subsection");
581 print_otag(h, TAG_DIV, 1, &tag);
582 return(1);
583 } else if (MDOC_BODY == n->type)
584 return(1);
585
586 bufinit(h);
587 bufcat(h, "x");
588
589 for (n = n->child; n && MDOC_TEXT == n->type; ) {
590 bufcat_id(h, n->string);
591 if (NULL != (n = n->next))
592 bufcat_id(h, " ");
593 }
594
595 if (NULL == n) {
596 PAIR_ID_INIT(&tag, h->buf);
597 print_otag(h, TAG_H2, 1, &tag);
598 } else
599 print_otag(h, TAG_H2, 0, NULL);
600
601 return(1);
602 }
603
604 static int
605 mdoc_fl_pre(MDOC_ARGS)
606 {
607 struct htmlpair tag;
608
609 PAIR_CLASS_INIT(&tag, "flag");
610 print_otag(h, TAG_B, 1, &tag);
611
612 /* `Cm' has no leading hyphen. */
613
614 if (MDOC_Cm == n->tok)
615 return(1);
616
617 print_text(h, "\\-");
618
619 if ( ! (n->nchild == 0 &&
620 (n->next == NULL ||
621 n->next->type == MDOC_TEXT ||
622 n->next->flags & MDOC_LINE)))
623 h->flags |= HTML_NOSPACE;
624
625 return(1);
626 }
627
628 static int
629 mdoc_nd_pre(MDOC_ARGS)
630 {
631 struct htmlpair tag;
632
633 if (MDOC_BODY != n->type)
634 return(1);
635
636 /* XXX: this tag in theory can contain block elements. */
637
638 print_text(h, "\\(em");
639 PAIR_CLASS_INIT(&tag, "desc");
640 print_otag(h, TAG_SPAN, 1, &tag);
641 return(1);
642 }
643
644 static int
645 mdoc_nm_pre(MDOC_ARGS)
646 {
647 struct htmlpair tag;
648 struct roffsu su;
649 int len;
650
651 switch (n->type) {
652 case MDOC_ELEM:
653 synopsis_pre(h, n);
654 PAIR_CLASS_INIT(&tag, "name");
655 print_otag(h, TAG_B, 1, &tag);
656 if (NULL == n->child && meta->name)
657 print_text(h, meta->name);
658 return(1);
659 case MDOC_HEAD:
660 print_otag(h, TAG_TD, 0, NULL);
661 if (NULL == n->child && meta->name)
662 print_text(h, meta->name);
663 return(1);
664 case MDOC_BODY:
665 print_otag(h, TAG_TD, 0, NULL);
666 return(1);
667 default:
668 break;
669 }
670
671 synopsis_pre(h, n);
672 PAIR_CLASS_INIT(&tag, "synopsis");
673 print_otag(h, TAG_TABLE, 1, &tag);
674
675 for (len = 0, n = n->child; n; n = n->next)
676 if (MDOC_TEXT == n->type)
677 len += html_strlen(n->string);
678
679 if (0 == len && meta->name)
680 len = html_strlen(meta->name);
681
682 SCALE_HS_INIT(&su, len);
683 bufinit(h);
684 bufcat_su(h, "width", &su);
685 PAIR_STYLE_INIT(&tag, h);
686 print_otag(h, TAG_COL, 1, &tag);
687 print_otag(h, TAG_COL, 0, NULL);
688 print_otag(h, TAG_TBODY, 0, NULL);
689 print_otag(h, TAG_TR, 0, NULL);
690 return(1);
691 }
692
693 static int
694 mdoc_xr_pre(MDOC_ARGS)
695 {
696 struct htmlpair tag[2];
697
698 if (NULL == n->child)
699 return(0);
700
701 PAIR_CLASS_INIT(&tag[0], "link-man");
702
703 if (h->base_man) {
704 buffmt_man(h, n->child->string,
705 n->child->next ?
706 n->child->next->string : NULL);
707 PAIR_HREF_INIT(&tag[1], h->buf);
708 print_otag(h, TAG_A, 2, tag);
709 } else
710 print_otag(h, TAG_A, 1, tag);
711
712 n = n->child;
713 print_text(h, n->string);
714
715 if (NULL == (n = n->next))
716 return(0);
717
718 h->flags |= HTML_NOSPACE;
719 print_text(h, "(");
720 h->flags |= HTML_NOSPACE;
721 print_text(h, n->string);
722 h->flags |= HTML_NOSPACE;
723 print_text(h, ")");
724 return(0);
725 }
726
727 static int
728 mdoc_ns_pre(MDOC_ARGS)
729 {
730
731 if ( ! (MDOC_LINE & n->flags))
732 h->flags |= HTML_NOSPACE;
733 return(1);
734 }
735
736 static int
737 mdoc_ar_pre(MDOC_ARGS)
738 {
739 struct htmlpair tag;
740
741 PAIR_CLASS_INIT(&tag, "arg");
742 print_otag(h, TAG_I, 1, &tag);
743 return(1);
744 }
745
746 static int
747 mdoc_xx_pre(MDOC_ARGS)
748 {
749 const char *pp;
750 struct htmlpair tag;
751 int flags;
752
753 switch (n->tok) {
754 case MDOC_Bsx:
755 pp = "BSD/OS";
756 break;
757 case MDOC_Dx:
758 pp = "DragonFly";
759 break;
760 case MDOC_Fx:
761 pp = "FreeBSD";
762 break;
763 case MDOC_Nx:
764 pp = "NetBSD";
765 break;
766 case MDOC_Ox:
767 pp = "OpenBSD";
768 break;
769 case MDOC_Ux:
770 pp = "UNIX";
771 break;
772 default:
773 return(1);
774 }
775
776 PAIR_CLASS_INIT(&tag, "unix");
777 print_otag(h, TAG_SPAN, 1, &tag);
778
779 print_text(h, pp);
780 if (n->child) {
781 flags = h->flags;
782 h->flags |= HTML_KEEP;
783 print_text(h, n->child->string);
784 h->flags = flags;
785 }
786 return(0);
787 }
788
789 static int
790 mdoc_bx_pre(MDOC_ARGS)
791 {
792 struct htmlpair tag;
793
794 PAIR_CLASS_INIT(&tag, "unix");
795 print_otag(h, TAG_SPAN, 1, &tag);
796
797 if (NULL != (n = n->child)) {
798 print_text(h, n->string);
799 h->flags |= HTML_NOSPACE;
800 print_text(h, "BSD");
801 } else {
802 print_text(h, "BSD");
803 return(0);
804 }
805
806 if (NULL != (n = n->next)) {
807 h->flags |= HTML_NOSPACE;
808 print_text(h, "-");
809 h->flags |= HTML_NOSPACE;
810 print_text(h, n->string);
811 }
812
813 return(0);
814 }
815
816 static int
817 mdoc_it_pre(MDOC_ARGS)
818 {
819 struct roffsu su;
820 enum mdoc_list type;
821 struct htmlpair tag[2];
822 const struct mdoc_node *bl;
823
824 bl = n->parent;
825 while (bl && MDOC_Bl != bl->tok)
826 bl = bl->parent;
827
828 assert(bl);
829
830 type = bl->norm->Bl.type;
831
832 assert(lists[type]);
833 PAIR_CLASS_INIT(&tag[0], lists[type]);
834
835 bufinit(h);
836
837 if (MDOC_HEAD == n->type) {
838 switch (type) {
839 case LIST_bullet:
840 /* FALLTHROUGH */
841 case LIST_dash:
842 /* FALLTHROUGH */
843 case LIST_item:
844 /* FALLTHROUGH */
845 case LIST_hyphen:
846 /* FALLTHROUGH */
847 case LIST_enum:
848 return(0);
849 case LIST_diag:
850 /* FALLTHROUGH */
851 case LIST_hang:
852 /* FALLTHROUGH */
853 case LIST_inset:
854 /* FALLTHROUGH */
855 case LIST_ohang:
856 /* FALLTHROUGH */
857 case LIST_tag:
858 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
859 bufcat_su(h, "margin-top", &su);
860 PAIR_STYLE_INIT(&tag[1], h);
861 print_otag(h, TAG_DT, 2, tag);
862 if (LIST_diag != type)
863 break;
864 PAIR_CLASS_INIT(&tag[0], "diag");
865 print_otag(h, TAG_B, 1, tag);
866 break;
867 case LIST_column:
868 break;
869 default:
870 break;
871 }
872 } else if (MDOC_BODY == n->type) {
873 switch (type) {
874 case LIST_bullet:
875 /* FALLTHROUGH */
876 case LIST_hyphen:
877 /* FALLTHROUGH */
878 case LIST_dash:
879 /* FALLTHROUGH */
880 case LIST_enum:
881 /* FALLTHROUGH */
882 case LIST_item:
883 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
884 bufcat_su(h, "margin-top", &su);
885 PAIR_STYLE_INIT(&tag[1], h);
886 print_otag(h, TAG_LI, 2, tag);
887 break;
888 case LIST_diag:
889 /* FALLTHROUGH */
890 case LIST_hang:
891 /* FALLTHROUGH */
892 case LIST_inset:
893 /* FALLTHROUGH */
894 case LIST_ohang:
895 /* FALLTHROUGH */
896 case LIST_tag:
897 if (NULL == bl->norm->Bl.width) {
898 print_otag(h, TAG_DD, 1, tag);
899 break;
900 }
901 a2width(bl->norm->Bl.width, &su);
902 bufcat_su(h, "margin-left", &su);
903 PAIR_STYLE_INIT(&tag[1], h);
904 print_otag(h, TAG_DD, 2, tag);
905 break;
906 case LIST_column:
907 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
908 bufcat_su(h, "margin-top", &su);
909 PAIR_STYLE_INIT(&tag[1], h);
910 print_otag(h, TAG_TD, 2, tag);
911 break;
912 default:
913 break;
914 }
915 } else {
916 switch (type) {
917 case LIST_column:
918 print_otag(h, TAG_TR, 1, tag);
919 break;
920 default:
921 break;
922 }
923 }
924
925 return(1);
926 }
927
928 static int
929 mdoc_bl_pre(MDOC_ARGS)
930 {
931 int i;
932 struct htmlpair tag[3];
933 struct roffsu su;
934 char buf[BUFSIZ];
935
936 if (MDOC_BODY == n->type) {
937 if (LIST_column == n->norm->Bl.type)
938 print_otag(h, TAG_TBODY, 0, NULL);
939 return(1);
940 }
941
942 if (MDOC_HEAD == n->type) {
943 if (LIST_column != n->norm->Bl.type)
944 return(0);
945
946 /*
947 * For each column, print out the <COL> tag with our
948 * suggested width. The last column gets min-width, as
949 * in terminal mode it auto-sizes to the width of the
950 * screen and we want to preserve that behaviour.
951 */
952
953 for (i = 0; i < (int)n->norm->Bl.ncols; i++) {
954 bufinit(h);
955 a2width(n->norm->Bl.cols[i], &su);
956 if (i < (int)n->norm->Bl.ncols - 1)
957 bufcat_su(h, "width", &su);
958 else
959 bufcat_su(h, "min-width", &su);
960 PAIR_STYLE_INIT(&tag[0], h);
961 print_otag(h, TAG_COL, 1, tag);
962 }
963
964 return(0);
965 }
966
967 SCALE_VS_INIT(&su, 0);
968 bufinit(h);
969 bufcat_su(h, "margin-top", &su);
970 bufcat_su(h, "margin-bottom", &su);
971 PAIR_STYLE_INIT(&tag[0], h);
972
973 assert(lists[n->norm->Bl.type]);
974 (void)strlcpy(buf, "list ", BUFSIZ);
975 (void)strlcat(buf, lists[n->norm->Bl.type], BUFSIZ);
976 PAIR_INIT(&tag[1], ATTR_CLASS, buf);
977
978 /* Set the block's left-hand margin. */
979
980 if (n->norm->Bl.offs) {
981 a2width(n->norm->Bl.offs, &su);
982 bufcat_su(h, "margin-left", &su);
983 }
984
985 switch (n->norm->Bl.type) {
986 case LIST_bullet:
987 /* FALLTHROUGH */
988 case LIST_dash:
989 /* FALLTHROUGH */
990 case LIST_hyphen:
991 /* FALLTHROUGH */
992 case LIST_item:
993 print_otag(h, TAG_UL, 2, tag);
994 break;
995 case LIST_enum:
996 print_otag(h, TAG_OL, 2, tag);
997 break;
998 case LIST_diag:
999 /* FALLTHROUGH */
1000 case LIST_hang:
1001 /* FALLTHROUGH */
1002 case LIST_inset:
1003 /* FALLTHROUGH */
1004 case LIST_ohang:
1005 /* FALLTHROUGH */
1006 case LIST_tag:
1007 print_otag(h, TAG_DL, 2, tag);
1008 break;
1009 case LIST_column:
1010 print_otag(h, TAG_TABLE, 2, tag);
1011 break;
1012 default:
1013 abort();
1014 /* NOTREACHED */
1015 }
1016
1017 return(1);
1018 }
1019
1020 static int
1021 mdoc_ex_pre(MDOC_ARGS)
1022 {
1023 struct tag *t;
1024 struct htmlpair tag;
1025 int nchild;
1026
1027 if (n->prev)
1028 print_otag(h, TAG_BR, 0, NULL);
1029
1030 PAIR_CLASS_INIT(&tag, "utility");
1031
1032 print_text(h, "The");
1033
1034 nchild = n->nchild;
1035 for (n = n->child; n; n = n->next) {
1036 assert(MDOC_TEXT == n->type);
1037
1038 t = print_otag(h, TAG_B, 1, &tag);
1039 print_text(h, n->string);
1040 print_tagq(h, t);
1041
1042 if (nchild > 2 && n->next) {
1043 h->flags |= HTML_NOSPACE;
1044 print_text(h, ",");
1045 }
1046
1047 if (n->next && NULL == n->next->next)
1048 print_text(h, "and");
1049 }
1050
1051 if (nchild > 1)
1052 print_text(h, "utilities exit\\~0");
1053 else
1054 print_text(h, "utility exits\\~0");
1055
1056 print_text(h, "on success, and\\~>0 if an error occurs.");
1057 return(0);
1058 }
1059
1060 static int
1061 mdoc_em_pre(MDOC_ARGS)
1062 {
1063 struct htmlpair tag;
1064
1065 PAIR_CLASS_INIT(&tag, "emph");
1066 print_otag(h, TAG_SPAN, 1, &tag);
1067 return(1);
1068 }
1069
1070 static int
1071 mdoc_d1_pre(MDOC_ARGS)
1072 {
1073 struct htmlpair tag[2];
1074 struct roffsu su;
1075
1076 if (MDOC_BLOCK != n->type)
1077 return(1);
1078
1079 SCALE_VS_INIT(&su, 0);
1080 bufinit(h);
1081 bufcat_su(h, "margin-top", &su);
1082 bufcat_su(h, "margin-bottom", &su);
1083 PAIR_STYLE_INIT(&tag[0], h);
1084 print_otag(h, TAG_BLOCKQUOTE, 1, tag);
1085
1086 /* BLOCKQUOTE needs a block body. */
1087
1088 PAIR_CLASS_INIT(&tag[0], "display");
1089 print_otag(h, TAG_DIV, 1, tag);
1090
1091 if (MDOC_Dl == n->tok) {
1092 PAIR_CLASS_INIT(&tag[0], "lit");
1093 print_otag(h, TAG_CODE, 1, tag);
1094 }
1095
1096 return(1);
1097 }
1098
1099 static int
1100 mdoc_sx_pre(MDOC_ARGS)
1101 {
1102 struct htmlpair tag[2];
1103
1104 bufinit(h);
1105 bufcat(h, "#x");
1106
1107 for (n = n->child; n; ) {
1108 bufcat_id(h, n->string);
1109 if (NULL != (n = n->next))
1110 bufcat_id(h, " ");
1111 }
1112
1113 PAIR_CLASS_INIT(&tag[0], "link-sec");
1114 PAIR_HREF_INIT(&tag[1], h->buf);
1115
1116 print_otag(h, TAG_I, 1, tag);
1117 print_otag(h, TAG_A, 2, tag);
1118 return(1);
1119 }
1120
1121 static int
1122 mdoc_bd_pre(MDOC_ARGS)
1123 {
1124 struct htmlpair tag[2];
1125 int comp, sv;
1126 struct mdoc_node *nn;
1127 struct roffsu su;
1128
1129 if (MDOC_HEAD == n->type)
1130 return(0);
1131
1132 if (MDOC_BLOCK == n->type) {
1133 comp = n->norm->Bd.comp;
1134 for (nn = n; nn && ! comp; nn = nn->parent) {
1135 if (MDOC_BLOCK != nn->type)
1136 continue;
1137 if (MDOC_Ss == nn->tok || MDOC_Sh == nn->tok)
1138 comp = 1;
1139 if (nn->prev)
1140 break;
1141 }
1142 if ( ! comp)
1143 print_paragraph(h);
1144 return(1);
1145 }
1146
1147 /* Handle the -offset argument. */
1148
1149 if (n->norm->Bd.offs == NULL ||
1150 ! strcmp(n->norm->Bd.offs, "left"))
1151 SCALE_HS_INIT(&su, 0);
1152 else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1153 SCALE_HS_INIT(&su, INDENT);
1154 else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1155 SCALE_HS_INIT(&su, INDENT * 2);
1156 else
1157 a2width(n->norm->Bd.offs, &su);
1158
1159 bufinit(h);
1160 bufcat_su(h, "margin-left", &su);
1161 PAIR_STYLE_INIT(&tag[0], h);
1162
1163 if (DISP_unfilled != n->norm->Bd.type &&
1164 DISP_literal != n->norm->Bd.type) {
1165 PAIR_CLASS_INIT(&tag[1], "display");
1166 print_otag(h, TAG_DIV, 2, tag);
1167 return(1);
1168 }
1169
1170 PAIR_CLASS_INIT(&tag[1], "lit display");
1171 print_otag(h, TAG_PRE, 2, tag);
1172
1173 /* This can be recursive: save & set our literal state. */
1174
1175 sv = h->flags & HTML_LITERAL;
1176 h->flags |= HTML_LITERAL;
1177
1178 for (nn = n->child; nn; nn = nn->next) {
1179 print_mdoc_node(meta, nn, h);
1180 /*
1181 * If the printed node flushes its own line, then we
1182 * needn't do it here as well. This is hacky, but the
1183 * notion of selective eoln whitespace is pretty dumb
1184 * anyway, so don't sweat it.
1185 */
1186 switch (nn->tok) {
1187 case MDOC_Sm:
1188 /* FALLTHROUGH */
1189 case MDOC_br:
1190 /* FALLTHROUGH */
1191 case MDOC_sp:
1192 /* FALLTHROUGH */
1193 case MDOC_Bl:
1194 /* FALLTHROUGH */
1195 case MDOC_D1:
1196 /* FALLTHROUGH */
1197 case MDOC_Dl:
1198 /* FALLTHROUGH */
1199 case MDOC_Lp:
1200 /* FALLTHROUGH */
1201 case MDOC_Pp:
1202 continue;
1203 default:
1204 break;
1205 }
1206 if (h->flags & HTML_NONEWLINE ||
1207 (nn->next && ! (nn->next->flags & MDOC_LINE)))
1208 continue;
1209 else if (nn->next)
1210 print_text(h, "\n");
1211
1212 h->flags |= HTML_NOSPACE;
1213 }
1214
1215 if (0 == sv)
1216 h->flags &= ~HTML_LITERAL;
1217
1218 return(0);
1219 }
1220
1221 static int
1222 mdoc_pa_pre(MDOC_ARGS)
1223 {
1224 struct htmlpair tag;
1225
1226 PAIR_CLASS_INIT(&tag, "file");
1227 print_otag(h, TAG_I, 1, &tag);
1228 return(1);
1229 }
1230
1231 static int
1232 mdoc_ad_pre(MDOC_ARGS)
1233 {
1234 struct htmlpair tag;
1235
1236 PAIR_CLASS_INIT(&tag, "addr");
1237 print_otag(h, TAG_I, 1, &tag);
1238 return(1);
1239 }
1240
1241 static int
1242 mdoc_an_pre(MDOC_ARGS)
1243 {
1244 struct htmlpair tag;
1245
1246 if (n->norm->An.auth == AUTH_split) {
1247 h->flags &= ~HTML_NOSPLIT;
1248 h->flags |= HTML_SPLIT;
1249 return(0);
1250 }
1251 if (n->norm->An.auth == AUTH_nosplit) {
1252 h->flags &= ~HTML_SPLIT;
1253 h->flags |= HTML_NOSPLIT;
1254 return(0);
1255 }
1256
1257 if (h->flags & HTML_SPLIT)
1258 print_otag(h, TAG_BR, 0, NULL);
1259
1260 if (n->sec == SEC_AUTHORS && ! (h->flags & HTML_NOSPLIT))
1261 h->flags |= HTML_SPLIT;
1262
1263 PAIR_CLASS_INIT(&tag, "author");
1264 print_otag(h, TAG_SPAN, 1, &tag);
1265 return(1);
1266 }
1267
1268 static int
1269 mdoc_cd_pre(MDOC_ARGS)
1270 {
1271 struct htmlpair tag;
1272
1273 synopsis_pre(h, n);
1274 PAIR_CLASS_INIT(&tag, "config");
1275 print_otag(h, TAG_B, 1, &tag);
1276 return(1);
1277 }
1278
1279 static int
1280 mdoc_dv_pre(MDOC_ARGS)
1281 {
1282 struct htmlpair tag;
1283
1284 PAIR_CLASS_INIT(&tag, "define");
1285 print_otag(h, TAG_SPAN, 1, &tag);
1286 return(1);
1287 }
1288
1289 static int
1290 mdoc_ev_pre(MDOC_ARGS)
1291 {
1292 struct htmlpair tag;
1293
1294 PAIR_CLASS_INIT(&tag, "env");
1295 print_otag(h, TAG_SPAN, 1, &tag);
1296 return(1);
1297 }
1298
1299 static int
1300 mdoc_er_pre(MDOC_ARGS)
1301 {
1302 struct htmlpair tag;
1303
1304 PAIR_CLASS_INIT(&tag, "errno");
1305 print_otag(h, TAG_SPAN, 1, &tag);
1306 return(1);
1307 }
1308
1309 static int
1310 mdoc_fa_pre(MDOC_ARGS)
1311 {
1312 const struct mdoc_node *nn;
1313 struct htmlpair tag;
1314 struct tag *t;
1315
1316 PAIR_CLASS_INIT(&tag, "farg");
1317 if (n->parent->tok != MDOC_Fo) {
1318 print_otag(h, TAG_I, 1, &tag);
1319 return(1);
1320 }
1321
1322 for (nn = n->child; nn; nn = nn->next) {
1323 t = print_otag(h, TAG_I, 1, &tag);
1324 print_text(h, nn->string);
1325 print_tagq(h, t);
1326 if (nn->next) {
1327 h->flags |= HTML_NOSPACE;
1328 print_text(h, ",");
1329 }
1330 }
1331
1332 if (n->child && n->next && n->next->tok == MDOC_Fa) {
1333 h->flags |= HTML_NOSPACE;
1334 print_text(h, ",");
1335 }
1336
1337 return(0);
1338 }
1339
1340 static int
1341 mdoc_fd_pre(MDOC_ARGS)
1342 {
1343 struct htmlpair tag[2];
1344 char buf[BUFSIZ];
1345 size_t sz;
1346 int i;
1347 struct tag *t;
1348
1349 synopsis_pre(h, n);
1350
1351 if (NULL == (n = n->child))
1352 return(0);
1353
1354 assert(MDOC_TEXT == n->type);
1355
1356 if (strcmp(n->string, "#include")) {
1357 PAIR_CLASS_INIT(&tag[0], "macro");
1358 print_otag(h, TAG_B, 1, tag);
1359 return(1);
1360 }
1361
1362 PAIR_CLASS_INIT(&tag[0], "includes");
1363 print_otag(h, TAG_B, 1, tag);
1364 print_text(h, n->string);
1365
1366 if (NULL != (n = n->next)) {
1367 assert(MDOC_TEXT == n->type);
1368
1369 /*
1370 * XXX This is broken and not easy to fix.
1371 * When using -Oincludes, truncation may occur.
1372 * Dynamic allocation wouldn't help because
1373 * passing long strings to buffmt_includes()
1374 * does not work either.
1375 */
1376
1377 strlcpy(buf, '<' == *n->string || '"' == *n->string ?
1378 n->string + 1 : n->string, BUFSIZ);
1379
1380 sz = strlen(buf);
1381 if (sz && ('>' == buf[sz - 1] || '"' == buf[sz - 1]))
1382 buf[sz - 1] = '\0';
1383
1384 PAIR_CLASS_INIT(&tag[0], "link-includes");
1385
1386 i = 1;
1387 if (h->base_includes) {
1388 buffmt_includes(h, buf);
1389 PAIR_HREF_INIT(&tag[i], h->buf);
1390 i++;
1391 }
1392
1393 t = print_otag(h, TAG_A, i, tag);
1394 print_text(h, n->string);
1395 print_tagq(h, t);
1396
1397 n = n->next;
1398 }
1399
1400 for ( ; n; n = n->next) {
1401 assert(MDOC_TEXT == n->type);
1402 print_text(h, n->string);
1403 }
1404
1405 return(0);
1406 }
1407
1408 static int
1409 mdoc_vt_pre(MDOC_ARGS)
1410 {
1411 struct htmlpair tag;
1412
1413 if (MDOC_BLOCK == n->type) {
1414 synopsis_pre(h, n);
1415 return(1);
1416 } else if (MDOC_ELEM == n->type) {
1417 synopsis_pre(h, n);
1418 } else if (MDOC_HEAD == n->type)
1419 return(0);
1420
1421 PAIR_CLASS_INIT(&tag, "type");
1422 print_otag(h, TAG_SPAN, 1, &tag);
1423 return(1);
1424 }
1425
1426 static int
1427 mdoc_ft_pre(MDOC_ARGS)
1428 {
1429 struct htmlpair tag;
1430
1431 synopsis_pre(h, n);
1432 PAIR_CLASS_INIT(&tag, "ftype");
1433 print_otag(h, TAG_I, 1, &tag);
1434 return(1);
1435 }
1436
1437 static int
1438 mdoc_fn_pre(MDOC_ARGS)
1439 {
1440 struct tag *t;
1441 struct htmlpair tag[2];
1442 char nbuf[BUFSIZ];
1443 const char *sp, *ep;
1444 int sz, i, pretty;
1445
1446 pretty = MDOC_SYNPRETTY & n->flags;
1447 synopsis_pre(h, n);
1448
1449 /* Split apart into type and name. */
1450 assert(n->child->string);
1451 sp = n->child->string;
1452
1453 ep = strchr(sp, ' ');
1454 if (NULL != ep) {
1455 PAIR_CLASS_INIT(&tag[0], "ftype");
1456 t = print_otag(h, TAG_I, 1, tag);
1457
1458 while (ep) {
1459 sz = MIN((int)(ep - sp), BUFSIZ - 1);
1460 (void)memcpy(nbuf, sp, (size_t)sz);
1461 nbuf[sz] = '\0';
1462 print_text(h, nbuf);
1463 sp = ++ep;
1464 ep = strchr(sp, ' ');
1465 }
1466 print_tagq(h, t);
1467 }
1468
1469 PAIR_CLASS_INIT(&tag[0], "fname");
1470
1471 /*
1472 * FIXME: only refer to IDs that we know exist.
1473 */
1474
1475 #if 0
1476 if (MDOC_SYNPRETTY & n->flags) {
1477 nbuf[0] = '\0';
1478 html_idcat(nbuf, sp, BUFSIZ);
1479 PAIR_ID_INIT(&tag[1], nbuf);
1480 } else {
1481 strlcpy(nbuf, "#", BUFSIZ);
1482 html_idcat(nbuf, sp, BUFSIZ);
1483 PAIR_HREF_INIT(&tag[1], nbuf);
1484 }
1485 #endif
1486
1487 t = print_otag(h, TAG_B, 1, tag);
1488
1489 if (sp)
1490 print_text(h, sp);
1491
1492 print_tagq(h, t);
1493
1494 h->flags |= HTML_NOSPACE;
1495 print_text(h, "(");
1496 h->flags |= HTML_NOSPACE;
1497
1498 PAIR_CLASS_INIT(&tag[0], "farg");
1499 bufinit(h);
1500 bufcat_style(h, "white-space", "nowrap");
1501 PAIR_STYLE_INIT(&tag[1], h);
1502
1503 for (n = n->child->next; n; n = n->next) {
1504 i = 1;
1505 if (MDOC_SYNPRETTY & n->flags)
1506 i = 2;
1507 t = print_otag(h, TAG_I, i, tag);
1508 print_text(h, n->string);
1509 print_tagq(h, t);
1510 if (n->next) {
1511 h->flags |= HTML_NOSPACE;
1512 print_text(h, ",");
1513 }
1514 }
1515
1516 h->flags |= HTML_NOSPACE;
1517 print_text(h, ")");
1518
1519 if (pretty) {
1520 h->flags |= HTML_NOSPACE;
1521 print_text(h, ";");
1522 }
1523
1524 return(0);
1525 }
1526
1527 static int
1528 mdoc_sm_pre(MDOC_ARGS)
1529 {
1530
1531 if (NULL == n->child)
1532 h->flags ^= HTML_NONOSPACE;
1533 else if (0 == strcmp("on", n->child->string))
1534 h->flags &= ~HTML_NONOSPACE;
1535 else
1536 h->flags |= HTML_NONOSPACE;
1537
1538 if ( ! (HTML_NONOSPACE & h->flags))
1539 h->flags &= ~HTML_NOSPACE;
1540
1541 return(0);
1542 }
1543
1544 static int
1545 mdoc_skip_pre(MDOC_ARGS)
1546 {
1547
1548 return(0);
1549 }
1550
1551 static int
1552 mdoc_pp_pre(MDOC_ARGS)
1553 {
1554
1555 print_paragraph(h);
1556 return(0);
1557 }
1558
1559 static int
1560 mdoc_sp_pre(MDOC_ARGS)
1561 {
1562 struct roffsu su;
1563 struct htmlpair tag;
1564
1565 SCALE_VS_INIT(&su, 1);
1566
1567 if (MDOC_sp == n->tok) {
1568 if (NULL != (n = n->child)) {
1569 if ( ! a2roffsu(n->string, &su, SCALE_VS))
1570 su.scale = 1.0;
1571 else if (su.scale < 0.0)
1572 su.scale = 0.0;
1573 }
1574 } else
1575 su.scale = 0.0;
1576
1577 bufinit(h);
1578 bufcat_su(h, "height", &su);
1579 PAIR_STYLE_INIT(&tag, h);
1580 print_otag(h, TAG_DIV, 1, &tag);
1581
1582 /* So the div isn't empty: */
1583 print_text(h, "\\~");
1584
1585 return(0);
1586
1587 }
1588
1589 static int
1590 mdoc_lk_pre(MDOC_ARGS)
1591 {
1592 struct htmlpair tag[2];
1593
1594 if (NULL == (n = n->child))
1595 return(0);
1596
1597 assert(MDOC_TEXT == n->type);
1598
1599 PAIR_CLASS_INIT(&tag[0], "link-ext");
1600 PAIR_HREF_INIT(&tag[1], n->string);
1601
1602 print_otag(h, TAG_A, 2, tag);
1603
1604 if (NULL == n->next)
1605 print_text(h, n->string);
1606
1607 for (n = n->next; n; n = n->next)
1608 print_text(h, n->string);
1609
1610 return(0);
1611 }
1612
1613 static int
1614 mdoc_mt_pre(MDOC_ARGS)
1615 {
1616 struct htmlpair tag[2];
1617 struct tag *t;
1618
1619 PAIR_CLASS_INIT(&tag[0], "link-mail");
1620
1621 for (n = n->child; n; n = n->next) {
1622 assert(MDOC_TEXT == n->type);
1623
1624 bufinit(h);
1625 bufcat(h, "mailto:");
1626 bufcat(h, n->string);
1627
1628 PAIR_HREF_INIT(&tag[1], h->buf);
1629 t = print_otag(h, TAG_A, 2, tag);
1630 print_text(h, n->string);
1631 print_tagq(h, t);
1632 }
1633
1634 return(0);
1635 }
1636
1637 static int
1638 mdoc_fo_pre(MDOC_ARGS)
1639 {
1640 struct htmlpair tag;
1641 struct tag *t;
1642
1643 if (MDOC_BODY == n->type) {
1644 h->flags |= HTML_NOSPACE;
1645 print_text(h, "(");
1646 h->flags |= HTML_NOSPACE;
1647 return(1);
1648 } else if (MDOC_BLOCK == n->type) {
1649 synopsis_pre(h, n);
1650 return(1);
1651 }
1652
1653 /* XXX: we drop non-initial arguments as per groff. */
1654
1655 assert(n->child);
1656 assert(n->child->string);
1657
1658 PAIR_CLASS_INIT(&tag, "fname");
1659 t = print_otag(h, TAG_B, 1, &tag);
1660 print_text(h, n->child->string);
1661 print_tagq(h, t);
1662 return(0);
1663 }
1664
1665 static void
1666 mdoc_fo_post(MDOC_ARGS)
1667 {
1668
1669 if (MDOC_BODY != n->type)
1670 return;
1671 h->flags |= HTML_NOSPACE;
1672 print_text(h, ")");
1673 h->flags |= HTML_NOSPACE;
1674 print_text(h, ";");
1675 }
1676
1677 static int
1678 mdoc_in_pre(MDOC_ARGS)
1679 {
1680 struct tag *t;
1681 struct htmlpair tag[2];
1682 int i;
1683
1684 synopsis_pre(h, n);
1685
1686 PAIR_CLASS_INIT(&tag[0], "includes");
1687 print_otag(h, TAG_B, 1, tag);
1688
1689 /*
1690 * The first argument of the `In' gets special treatment as
1691 * being a linked value. Subsequent values are printed
1692 * afterward. groff does similarly. This also handles the case
1693 * of no children.
1694 */
1695
1696 if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags)
1697 print_text(h, "#include");
1698
1699 print_text(h, "<");
1700 h->flags |= HTML_NOSPACE;
1701
1702 if (NULL != (n = n->child)) {
1703 assert(MDOC_TEXT == n->type);
1704
1705 PAIR_CLASS_INIT(&tag[0], "link-includes");
1706
1707 i = 1;
1708 if (h->base_includes) {
1709 buffmt_includes(h, n->string);
1710 PAIR_HREF_INIT(&tag[i], h->buf);
1711 i++;
1712 }
1713
1714 t = print_otag(h, TAG_A, i, tag);
1715 print_text(h, n->string);
1716 print_tagq(h, t);
1717
1718 n = n->next;
1719 }
1720
1721 h->flags |= HTML_NOSPACE;
1722 print_text(h, ">");
1723
1724 for ( ; n; n = n->next) {
1725 assert(MDOC_TEXT == n->type);
1726 print_text(h, n->string);
1727 }
1728
1729 return(0);
1730 }
1731
1732 static int
1733 mdoc_ic_pre(MDOC_ARGS)
1734 {
1735 struct htmlpair tag;
1736
1737 PAIR_CLASS_INIT(&tag, "cmd");
1738 print_otag(h, TAG_B, 1, &tag);
1739 return(1);
1740 }
1741
1742 static int
1743 mdoc_rv_pre(MDOC_ARGS)
1744 {
1745 struct htmlpair tag;
1746 struct tag *t;
1747 int nchild;
1748
1749 if (n->prev)
1750 print_otag(h, TAG_BR, 0, NULL);
1751
1752 PAIR_CLASS_INIT(&tag, "fname");
1753
1754 nchild = n->nchild;
1755 if (nchild > 0) {
1756 print_text(h, "The");
1757
1758 for (n = n->child; n; n = n->next) {
1759 t = print_otag(h, TAG_B, 1, &tag);
1760 print_text(h, n->string);
1761 print_tagq(h, t);
1762
1763 h->flags |= HTML_NOSPACE;
1764 print_text(h, "()");
1765
1766 if (n->next == NULL)
1767 continue;
1768
1769 if (nchild > 2) {
1770 h->flags |= HTML_NOSPACE;
1771 print_text(h, ",");
1772 }
1773 if (n->next->next == NULL)
1774 print_text(h, "and");
1775 }
1776
1777 if (nchild > 1)
1778 print_text(h, "functions return");
1779 else
1780 print_text(h, "function returns");
1781
1782 print_text(h, "the value\\~0 if successful;");
1783 } else
1784 print_text(h, "Upon successful completion,"
1785 " the value\\~0 is returned;");
1786
1787 print_text(h, "otherwise the value\\~\\-1 is returned"
1788 " and the global variable");
1789
1790 PAIR_CLASS_INIT(&tag, "var");
1791 t = print_otag(h, TAG_B, 1, &tag);
1792 print_text(h, "errno");
1793 print_tagq(h, t);
1794 print_text(h, "is set to indicate the error.");
1795 return(0);
1796 }
1797
1798 static int
1799 mdoc_va_pre(MDOC_ARGS)
1800 {
1801 struct htmlpair tag;
1802
1803 PAIR_CLASS_INIT(&tag, "var");
1804 print_otag(h, TAG_B, 1, &tag);
1805 return(1);
1806 }
1807
1808 static int
1809 mdoc_ap_pre(MDOC_ARGS)
1810 {
1811
1812 h->flags |= HTML_NOSPACE;
1813 print_text(h, "\\(aq");
1814 h->flags |= HTML_NOSPACE;
1815 return(1);
1816 }
1817
1818 static int
1819 mdoc_bf_pre(MDOC_ARGS)
1820 {
1821 struct htmlpair tag[2];
1822 struct roffsu su;
1823
1824 if (MDOC_HEAD == n->type)
1825 return(0);
1826 else if (MDOC_BODY != n->type)
1827 return(1);
1828
1829 if (FONT_Em == n->norm->Bf.font)
1830 PAIR_CLASS_INIT(&tag[0], "emph");
1831 else if (FONT_Sy == n->norm->Bf.font)
1832 PAIR_CLASS_INIT(&tag[0], "symb");
1833 else if (FONT_Li == n->norm->Bf.font)
1834 PAIR_CLASS_INIT(&tag[0], "lit");
1835 else
1836 PAIR_CLASS_INIT(&tag[0], "none");
1837
1838 /*
1839 * We want this to be inline-formatted, but needs to be div to
1840 * accept block children.
1841 */
1842 bufinit(h);
1843 bufcat_style(h, "display", "inline");
1844 SCALE_HS_INIT(&su, 1);
1845 /* Needs a left-margin for spacing. */
1846 bufcat_su(h, "margin-left", &su);
1847 PAIR_STYLE_INIT(&tag[1], h);
1848 print_otag(h, TAG_DIV, 2, tag);
1849 return(1);
1850 }
1851
1852 static int
1853 mdoc_ms_pre(MDOC_ARGS)
1854 {
1855 struct htmlpair tag;
1856
1857 PAIR_CLASS_INIT(&tag, "symb");
1858 print_otag(h, TAG_SPAN, 1, &tag);
1859 return(1);
1860 }
1861
1862 static int
1863 mdoc_igndelim_pre(MDOC_ARGS)
1864 {
1865
1866 h->flags |= HTML_IGNDELIM;
1867 return(1);
1868 }
1869
1870 static void
1871 mdoc_pf_post(MDOC_ARGS)
1872 {
1873
1874 if ( ! (n->next == NULL || n->next->flags & MDOC_LINE))
1875 h->flags |= HTML_NOSPACE;
1876 }
1877
1878 static int
1879 mdoc_rs_pre(MDOC_ARGS)
1880 {
1881 struct htmlpair tag;
1882
1883 if (MDOC_BLOCK != n->type)
1884 return(1);
1885
1886 if (n->prev && SEC_SEE_ALSO == n->sec)
1887 print_paragraph(h);
1888
1889 PAIR_CLASS_INIT(&tag, "ref");
1890 print_otag(h, TAG_SPAN, 1, &tag);
1891 return(1);
1892 }
1893
1894 static int
1895 mdoc_no_pre(MDOC_ARGS)
1896 {
1897 struct htmlpair tag;
1898
1899 PAIR_CLASS_INIT(&tag, "none");
1900 print_otag(h, TAG_CODE, 1, &tag);
1901 return(1);
1902 }
1903
1904 static int
1905 mdoc_li_pre(MDOC_ARGS)
1906 {
1907 struct htmlpair tag;
1908
1909 PAIR_CLASS_INIT(&tag, "lit");
1910 print_otag(h, TAG_CODE, 1, &tag);
1911 return(1);
1912 }
1913
1914 static int
1915 mdoc_sy_pre(MDOC_ARGS)
1916 {
1917 struct htmlpair tag;
1918
1919 PAIR_CLASS_INIT(&tag, "symb");
1920 print_otag(h, TAG_SPAN, 1, &tag);
1921 return(1);
1922 }
1923
1924 static int
1925 mdoc_bt_pre(MDOC_ARGS)
1926 {
1927
1928 print_text(h, "is currently in beta test.");
1929 return(0);
1930 }
1931
1932 static int
1933 mdoc_ud_pre(MDOC_ARGS)
1934 {
1935
1936 print_text(h, "currently under development.");
1937 return(0);
1938 }
1939
1940 static int
1941 mdoc_lb_pre(MDOC_ARGS)
1942 {
1943 struct htmlpair tag;
1944
1945 if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags && n->prev)
1946 print_otag(h, TAG_BR, 0, NULL);
1947
1948 PAIR_CLASS_INIT(&tag, "lib");
1949 print_otag(h, TAG_SPAN, 1, &tag);
1950 return(1);
1951 }
1952
1953 static int
1954 mdoc__x_pre(MDOC_ARGS)
1955 {
1956 struct htmlpair tag[2];
1957 enum htmltag t;
1958
1959 t = TAG_SPAN;
1960
1961 switch (n->tok) {
1962 case MDOC__A:
1963 PAIR_CLASS_INIT(&tag[0], "ref-auth");
1964 if (n->prev && MDOC__A == n->prev->tok)
1965 if (NULL == n->next || MDOC__A != n->next->tok)
1966 print_text(h, "and");
1967 break;
1968 case MDOC__B:
1969 PAIR_CLASS_INIT(&tag[0], "ref-book");
1970 t = TAG_I;
1971 break;
1972 case MDOC__C:
1973 PAIR_CLASS_INIT(&tag[0], "ref-city");
1974 break;
1975 case MDOC__D:
1976 PAIR_CLASS_INIT(&tag[0], "ref-date");
1977 break;
1978 case MDOC__I:
1979 PAIR_CLASS_INIT(&tag[0], "ref-issue");
1980 t = TAG_I;
1981 break;
1982 case MDOC__J:
1983 PAIR_CLASS_INIT(&tag[0], "ref-jrnl");
1984 t = TAG_I;
1985 break;
1986 case MDOC__N:
1987 PAIR_CLASS_INIT(&tag[0], "ref-num");
1988 break;
1989 case MDOC__O:
1990 PAIR_CLASS_INIT(&tag[0], "ref-opt");
1991 break;
1992 case MDOC__P:
1993 PAIR_CLASS_INIT(&tag[0], "ref-page");
1994 break;
1995 case MDOC__Q:
1996 PAIR_CLASS_INIT(&tag[0], "ref-corp");
1997 break;
1998 case MDOC__R:
1999 PAIR_CLASS_INIT(&tag[0], "ref-rep");
2000 break;
2001 case MDOC__T:
2002 PAIR_CLASS_INIT(&tag[0], "ref-title");
2003 break;
2004 case MDOC__U:
2005 PAIR_CLASS_INIT(&tag[0], "link-ref");
2006 break;
2007 case MDOC__V:
2008 PAIR_CLASS_INIT(&tag[0], "ref-vol");
2009 break;
2010 default:
2011 abort();
2012 /* NOTREACHED */
2013 }
2014
2015 if (MDOC__U != n->tok) {
2016 print_otag(h, t, 1, tag);
2017 return(1);
2018 }
2019
2020 PAIR_HREF_INIT(&tag[1], n->child->string);
2021 print_otag(h, TAG_A, 2, tag);
2022
2023 return(1);
2024 }
2025
2026 static void
2027 mdoc__x_post(MDOC_ARGS)
2028 {
2029
2030 if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2031 if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2032 if (NULL == n->prev || MDOC__A != n->prev->tok)
2033 return;
2034
2035 /* TODO: %U */
2036
2037 if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2038 return;
2039
2040 h->flags |= HTML_NOSPACE;
2041 print_text(h, n->next ? "," : ".");
2042 }
2043
2044 static int
2045 mdoc_bk_pre(MDOC_ARGS)
2046 {
2047
2048 switch (n->type) {
2049 case MDOC_BLOCK:
2050 break;
2051 case MDOC_HEAD:
2052 return(0);
2053 case MDOC_BODY:
2054 if (n->parent->args || 0 == n->prev->nchild)
2055 h->flags |= HTML_PREKEEP;
2056 break;
2057 default:
2058 abort();
2059 /* NOTREACHED */
2060 }
2061
2062 return(1);
2063 }
2064
2065 static void
2066 mdoc_bk_post(MDOC_ARGS)
2067 {
2068
2069 if (MDOC_BODY == n->type)
2070 h->flags &= ~(HTML_KEEP | HTML_PREKEEP);
2071 }
2072
2073 static int
2074 mdoc_quote_pre(MDOC_ARGS)
2075 {
2076 struct htmlpair tag;
2077
2078 if (MDOC_BODY != n->type)
2079 return(1);
2080
2081 switch (n->tok) {
2082 case MDOC_Ao:
2083 /* FALLTHROUGH */
2084 case MDOC_Aq:
2085 print_text(h, n->nchild == 1 &&
2086 n->child->tok == MDOC_Mt ? "<" : "\\(la");
2087 break;
2088 case MDOC_Bro:
2089 /* FALLTHROUGH */
2090 case MDOC_Brq:
2091 print_text(h, "\\(lC");
2092 break;
2093 case MDOC_Bo:
2094 /* FALLTHROUGH */
2095 case MDOC_Bq:
2096 print_text(h, "\\(lB");
2097 break;
2098 case MDOC_Oo:
2099 /* FALLTHROUGH */
2100 case MDOC_Op:
2101 print_text(h, "\\(lB");
2102 h->flags |= HTML_NOSPACE;
2103 PAIR_CLASS_INIT(&tag, "opt");
2104 print_otag(h, TAG_SPAN, 1, &tag);
2105 break;
2106 case MDOC_En:
2107 if (NULL == n->norm->Es ||
2108 NULL == n->norm->Es->child)
2109 return(1);
2110 print_text(h, n->norm->Es->child->string);
2111 break;
2112 case MDOC_Do:
2113 /* FALLTHROUGH */
2114 case MDOC_Dq:
2115 /* FALLTHROUGH */
2116 case MDOC_Qo:
2117 /* FALLTHROUGH */
2118 case MDOC_Qq:
2119 print_text(h, "\\(lq");
2120 break;
2121 case MDOC_Po:
2122 /* FALLTHROUGH */
2123 case MDOC_Pq:
2124 print_text(h, "(");
2125 break;
2126 case MDOC_Ql:
2127 print_text(h, "\\(oq");
2128 h->flags |= HTML_NOSPACE;
2129 PAIR_CLASS_INIT(&tag, "lit");
2130 print_otag(h, TAG_CODE, 1, &tag);
2131 break;
2132 case MDOC_So:
2133 /* FALLTHROUGH */
2134 case MDOC_Sq:
2135 print_text(h, "\\(oq");
2136 break;
2137 default:
2138 abort();
2139 /* NOTREACHED */
2140 }
2141
2142 h->flags |= HTML_NOSPACE;
2143 return(1);
2144 }
2145
2146 static void
2147 mdoc_quote_post(MDOC_ARGS)
2148 {
2149
2150 if (n->type != MDOC_BODY && n->type != MDOC_ELEM)
2151 return;
2152
2153 h->flags |= HTML_NOSPACE;
2154
2155 switch (n->tok) {
2156 case MDOC_Ao:
2157 /* FALLTHROUGH */
2158 case MDOC_Aq:
2159 print_text(h, n->nchild == 1 &&
2160 n->child->tok == MDOC_Mt ? ">" : "\\(ra");
2161 break;
2162 case MDOC_Bro:
2163 /* FALLTHROUGH */
2164 case MDOC_Brq:
2165 print_text(h, "\\(rC");
2166 break;
2167 case MDOC_Oo:
2168 /* FALLTHROUGH */
2169 case MDOC_Op:
2170 /* FALLTHROUGH */
2171 case MDOC_Bo:
2172 /* FALLTHROUGH */
2173 case MDOC_Bq:
2174 print_text(h, "\\(rB");
2175 break;
2176 case MDOC_En:
2177 if (n->norm->Es == NULL ||
2178 n->norm->Es->child == NULL ||
2179 n->norm->Es->child->next == NULL)
2180 h->flags &= ~HTML_NOSPACE;
2181 else
2182 print_text(h, n->norm->Es->child->next->string);
2183 break;
2184 case MDOC_Qo:
2185 /* FALLTHROUGH */
2186 case MDOC_Qq:
2187 /* FALLTHROUGH */
2188 case MDOC_Do:
2189 /* FALLTHROUGH */
2190 case MDOC_Dq:
2191 print_text(h, "\\(rq");
2192 break;
2193 case MDOC_Po:
2194 /* FALLTHROUGH */
2195 case MDOC_Pq:
2196 print_text(h, ")");
2197 break;
2198 case MDOC_Ql:
2199 /* FALLTHROUGH */
2200 case MDOC_So:
2201 /* FALLTHROUGH */
2202 case MDOC_Sq:
2203 print_text(h, "\\(cq");
2204 break;
2205 default:
2206 abort();
2207 /* NOTREACHED */
2208 }
2209 }
2210
2211 static int
2212 mdoc_eo_pre(MDOC_ARGS)
2213 {
2214
2215 if (n->type != MDOC_BODY)
2216 return(1);
2217
2218 if (n->end == ENDBODY_NOT &&
2219 n->parent->head->child == NULL &&
2220 n->child != NULL &&
2221 n->child->end != ENDBODY_NOT)
2222 print_text(h, "\\&");
2223 else if (n->end != ENDBODY_NOT ? n->child != NULL :
2224 n->parent->head->child != NULL && (n->child != NULL ||
2225 (n->parent->tail != NULL && n->parent->tail->child != NULL)))
2226 h->flags |= HTML_NOSPACE;
2227 return(1);
2228 }
2229
2230 static void
2231 mdoc_eo_post(MDOC_ARGS)
2232 {
2233 int body, tail;
2234
2235 if (n->type != MDOC_BODY)
2236 return;
2237
2238 if (n->end != ENDBODY_NOT) {
2239 h->flags &= ~HTML_NOSPACE;
2240 return;
2241 }
2242
2243 body = n->child != NULL || n->parent->head->child != NULL;
2244 tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
2245
2246 if (body && tail)
2247 h->flags |= HTML_NOSPACE;
2248 else if ( ! tail)
2249 h->flags &= ~HTML_NOSPACE;
2250 }
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