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implement tagging for .Er
[mandoc.git] / mdoc_html.c
1 /* $Id: mdoc_html.c,v 1.232 2015/04/18 17:53:21 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 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 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 roff_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 /*
267 * Calculate the scaling unit passed in a `-width' argument. This uses
268 * either a native scaling unit (e.g., 1i, 2m) or the string length of
269 * the value.
270 */
271 static void
272 a2width(const char *p, struct roffsu *su)
273 {
274
275 if (a2roffsu(p, su, SCALE_MAX) < 2) {
276 su->unit = SCALE_EN;
277 su->scale = html_strlen(p);
278 } else if (su->scale < 0.0)
279 su->scale = 0.0;
280 }
281
282 /*
283 * See the same function in mdoc_term.c for documentation.
284 */
285 static void
286 synopsis_pre(struct html *h, const struct roff_node *n)
287 {
288
289 if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
290 return;
291
292 if (n->prev->tok == n->tok &&
293 MDOC_Fo != n->tok &&
294 MDOC_Ft != n->tok &&
295 MDOC_Fn != n->tok) {
296 print_otag(h, TAG_BR, 0, NULL);
297 return;
298 }
299
300 switch (n->prev->tok) {
301 case MDOC_Fd:
302 /* FALLTHROUGH */
303 case MDOC_Fn:
304 /* FALLTHROUGH */
305 case MDOC_Fo:
306 /* FALLTHROUGH */
307 case MDOC_In:
308 /* FALLTHROUGH */
309 case MDOC_Vt:
310 print_paragraph(h);
311 break;
312 case MDOC_Ft:
313 if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
314 print_paragraph(h);
315 break;
316 }
317 /* FALLTHROUGH */
318 default:
319 print_otag(h, TAG_BR, 0, NULL);
320 break;
321 }
322 }
323
324 void
325 html_mdoc(void *arg, const struct roff_man *mdoc)
326 {
327 struct htmlpair tag;
328 struct html *h;
329 struct tag *t, *tt;
330
331 PAIR_CLASS_INIT(&tag, "mandoc");
332 h = (struct html *)arg;
333
334 if ( ! (HTML_FRAGMENT & h->oflags)) {
335 print_gen_decls(h);
336 t = print_otag(h, TAG_HTML, 0, NULL);
337 tt = print_otag(h, TAG_HEAD, 0, NULL);
338 print_mdoc_head(&mdoc->meta, mdoc->first->child, h);
339 print_tagq(h, tt);
340 print_otag(h, TAG_BODY, 0, NULL);
341 print_otag(h, TAG_DIV, 1, &tag);
342 } else
343 t = print_otag(h, TAG_DIV, 1, &tag);
344
345 mdoc_root_pre(&mdoc->meta, mdoc->first->child, h);
346 print_mdoc_nodelist(&mdoc->meta, mdoc->first->child, h);
347 mdoc_root_post(&mdoc->meta, mdoc->first->child, h);
348 print_tagq(h, t);
349 putchar('\n');
350 }
351
352 static void
353 print_mdoc_head(MDOC_ARGS)
354 {
355
356 print_gen_head(h);
357 bufinit(h);
358 bufcat(h, meta->title);
359 if (meta->msec)
360 bufcat_fmt(h, "(%s)", meta->msec);
361 if (meta->arch)
362 bufcat_fmt(h, " (%s)", meta->arch);
363
364 print_otag(h, TAG_TITLE, 0, NULL);
365 print_text(h, h->buf);
366 }
367
368 static void
369 print_mdoc_nodelist(MDOC_ARGS)
370 {
371
372 while (n != NULL) {
373 print_mdoc_node(meta, n, h);
374 n = n->next;
375 }
376 }
377
378 static void
379 print_mdoc_node(MDOC_ARGS)
380 {
381 int child;
382 struct tag *t;
383
384 child = 1;
385 t = h->tags.head;
386 n->flags &= ~MDOC_ENDED;
387
388 switch (n->type) {
389 case ROFFT_TEXT:
390 /* No tables in this mode... */
391 assert(NULL == h->tblt);
392
393 /*
394 * Make sure that if we're in a literal mode already
395 * (i.e., within a <PRE>) don't print the newline.
396 */
397 if (' ' == *n->string && MDOC_LINE & n->flags)
398 if ( ! (HTML_LITERAL & h->flags))
399 print_otag(h, TAG_BR, 0, NULL);
400 if (MDOC_DELIMC & n->flags)
401 h->flags |= HTML_NOSPACE;
402 print_text(h, n->string);
403 if (MDOC_DELIMO & n->flags)
404 h->flags |= HTML_NOSPACE;
405 return;
406 case ROFFT_EQN:
407 if (n->flags & MDOC_LINE)
408 putchar('\n');
409 print_eqn(h, n->eqn);
410 break;
411 case ROFFT_TBL:
412 /*
413 * This will take care of initialising all of the table
414 * state data for the first table, then tearing it down
415 * for the last one.
416 */
417 print_tbl(h, n->span);
418 return;
419 default:
420 /*
421 * Close out the current table, if it's open, and unset
422 * the "meta" table state. This will be reopened on the
423 * next table element.
424 */
425 if (h->tblt != NULL) {
426 print_tblclose(h);
427 t = h->tags.head;
428 }
429 assert(h->tblt == NULL);
430 if (mdocs[n->tok].pre && (n->end == ENDBODY_NOT || n->child))
431 child = (*mdocs[n->tok].pre)(meta, n, h);
432 break;
433 }
434
435 if (h->flags & HTML_KEEP && n->flags & MDOC_LINE) {
436 h->flags &= ~HTML_KEEP;
437 h->flags |= HTML_PREKEEP;
438 }
439
440 if (child && n->child)
441 print_mdoc_nodelist(meta, n->child, h);
442
443 print_stagq(h, t);
444
445 switch (n->type) {
446 case ROFFT_EQN:
447 break;
448 default:
449 if ( ! mdocs[n->tok].post || n->flags & MDOC_ENDED)
450 break;
451 (*mdocs[n->tok].post)(meta, n, h);
452 if (n->end != ENDBODY_NOT)
453 n->body->flags |= MDOC_ENDED;
454 if (n->end == ENDBODY_NOSPACE)
455 h->flags |= HTML_NOSPACE;
456 break;
457 }
458 }
459
460 static void
461 mdoc_root_post(MDOC_ARGS)
462 {
463 struct htmlpair tag;
464 struct tag *t, *tt;
465
466 PAIR_CLASS_INIT(&tag, "foot");
467 t = print_otag(h, TAG_TABLE, 1, &tag);
468
469 print_otag(h, TAG_TBODY, 0, NULL);
470
471 tt = print_otag(h, TAG_TR, 0, NULL);
472
473 PAIR_CLASS_INIT(&tag, "foot-date");
474 print_otag(h, TAG_TD, 1, &tag);
475 print_text(h, meta->date);
476 print_stagq(h, tt);
477
478 PAIR_CLASS_INIT(&tag, "foot-os");
479 print_otag(h, TAG_TD, 1, &tag);
480 print_text(h, meta->os);
481 print_tagq(h, t);
482 }
483
484 static int
485 mdoc_root_pre(MDOC_ARGS)
486 {
487 struct htmlpair tag;
488 struct tag *t, *tt;
489 char *volume, *title;
490
491 if (NULL == meta->arch)
492 volume = mandoc_strdup(meta->vol);
493 else
494 mandoc_asprintf(&volume, "%s (%s)",
495 meta->vol, meta->arch);
496
497 if (NULL == meta->msec)
498 title = mandoc_strdup(meta->title);
499 else
500 mandoc_asprintf(&title, "%s(%s)",
501 meta->title, meta->msec);
502
503 PAIR_CLASS_INIT(&tag, "head");
504 t = print_otag(h, TAG_TABLE, 1, &tag);
505
506 print_otag(h, TAG_TBODY, 0, NULL);
507
508 tt = print_otag(h, TAG_TR, 0, NULL);
509
510 PAIR_CLASS_INIT(&tag, "head-ltitle");
511 print_otag(h, TAG_TD, 1, &tag);
512 print_text(h, title);
513 print_stagq(h, tt);
514
515 PAIR_CLASS_INIT(&tag, "head-vol");
516 print_otag(h, TAG_TD, 1, &tag);
517 print_text(h, volume);
518 print_stagq(h, tt);
519
520 PAIR_CLASS_INIT(&tag, "head-rtitle");
521 print_otag(h, TAG_TD, 1, &tag);
522 print_text(h, title);
523 print_tagq(h, t);
524
525 free(title);
526 free(volume);
527 return(1);
528 }
529
530 static int
531 mdoc_sh_pre(MDOC_ARGS)
532 {
533 struct htmlpair tag;
534
535 switch (n->type) {
536 case ROFFT_BLOCK:
537 PAIR_CLASS_INIT(&tag, "section");
538 print_otag(h, TAG_DIV, 1, &tag);
539 return(1);
540 case ROFFT_BODY:
541 if (n->sec == SEC_AUTHORS)
542 h->flags &= ~(HTML_SPLIT|HTML_NOSPLIT);
543 return(1);
544 default:
545 break;
546 }
547
548 bufinit(h);
549 bufcat(h, "x");
550
551 for (n = n->child; n != NULL && n->type == ROFFT_TEXT; ) {
552 bufcat_id(h, n->string);
553 if (NULL != (n = n->next))
554 bufcat_id(h, " ");
555 }
556
557 if (NULL == n) {
558 PAIR_ID_INIT(&tag, h->buf);
559 print_otag(h, TAG_H1, 1, &tag);
560 } else
561 print_otag(h, TAG_H1, 0, NULL);
562
563 return(1);
564 }
565
566 static int
567 mdoc_ss_pre(MDOC_ARGS)
568 {
569 struct htmlpair tag;
570
571 if (n->type == ROFFT_BLOCK) {
572 PAIR_CLASS_INIT(&tag, "subsection");
573 print_otag(h, TAG_DIV, 1, &tag);
574 return(1);
575 } else if (n->type == ROFFT_BODY)
576 return(1);
577
578 bufinit(h);
579 bufcat(h, "x");
580
581 for (n = n->child; n != NULL && n->type == ROFFT_TEXT; ) {
582 bufcat_id(h, n->string);
583 if (NULL != (n = n->next))
584 bufcat_id(h, " ");
585 }
586
587 if (NULL == n) {
588 PAIR_ID_INIT(&tag, h->buf);
589 print_otag(h, TAG_H2, 1, &tag);
590 } else
591 print_otag(h, TAG_H2, 0, NULL);
592
593 return(1);
594 }
595
596 static int
597 mdoc_fl_pre(MDOC_ARGS)
598 {
599 struct htmlpair tag;
600
601 PAIR_CLASS_INIT(&tag, "flag");
602 print_otag(h, TAG_B, 1, &tag);
603
604 /* `Cm' has no leading hyphen. */
605
606 if (MDOC_Cm == n->tok)
607 return(1);
608
609 print_text(h, "\\-");
610
611 if ( ! (n->nchild == 0 &&
612 (n->next == NULL ||
613 n->next->type == ROFFT_TEXT ||
614 n->next->flags & MDOC_LINE)))
615 h->flags |= HTML_NOSPACE;
616
617 return(1);
618 }
619
620 static int
621 mdoc_nd_pre(MDOC_ARGS)
622 {
623 struct htmlpair tag;
624
625 if (n->type != ROFFT_BODY)
626 return(1);
627
628 /* XXX: this tag in theory can contain block elements. */
629
630 print_text(h, "\\(em");
631 PAIR_CLASS_INIT(&tag, "desc");
632 print_otag(h, TAG_SPAN, 1, &tag);
633 return(1);
634 }
635
636 static int
637 mdoc_nm_pre(MDOC_ARGS)
638 {
639 struct htmlpair tag;
640 struct roffsu su;
641 int len;
642
643 switch (n->type) {
644 case ROFFT_ELEM:
645 synopsis_pre(h, n);
646 PAIR_CLASS_INIT(&tag, "name");
647 print_otag(h, TAG_B, 1, &tag);
648 if (NULL == n->child && meta->name)
649 print_text(h, meta->name);
650 return(1);
651 case ROFFT_HEAD:
652 print_otag(h, TAG_TD, 0, NULL);
653 if (NULL == n->child && meta->name)
654 print_text(h, meta->name);
655 return(1);
656 case ROFFT_BODY:
657 print_otag(h, TAG_TD, 0, NULL);
658 return(1);
659 default:
660 break;
661 }
662
663 synopsis_pre(h, n);
664 PAIR_CLASS_INIT(&tag, "synopsis");
665 print_otag(h, TAG_TABLE, 1, &tag);
666
667 for (len = 0, n = n->child; n; n = n->next)
668 if (n->type == ROFFT_TEXT)
669 len += html_strlen(n->string);
670
671 if (0 == len && meta->name)
672 len = html_strlen(meta->name);
673
674 SCALE_HS_INIT(&su, len);
675 bufinit(h);
676 bufcat_su(h, "width", &su);
677 PAIR_STYLE_INIT(&tag, h);
678 print_otag(h, TAG_COL, 1, &tag);
679 print_otag(h, TAG_COL, 0, NULL);
680 print_otag(h, TAG_TBODY, 0, NULL);
681 print_otag(h, TAG_TR, 0, NULL);
682 return(1);
683 }
684
685 static int
686 mdoc_xr_pre(MDOC_ARGS)
687 {
688 struct htmlpair tag[2];
689
690 if (NULL == n->child)
691 return(0);
692
693 PAIR_CLASS_INIT(&tag[0], "link-man");
694
695 if (h->base_man) {
696 buffmt_man(h, n->child->string,
697 n->child->next ?
698 n->child->next->string : NULL);
699 PAIR_HREF_INIT(&tag[1], h->buf);
700 print_otag(h, TAG_A, 2, tag);
701 } else
702 print_otag(h, TAG_A, 1, tag);
703
704 n = n->child;
705 print_text(h, n->string);
706
707 if (NULL == (n = n->next))
708 return(0);
709
710 h->flags |= HTML_NOSPACE;
711 print_text(h, "(");
712 h->flags |= HTML_NOSPACE;
713 print_text(h, n->string);
714 h->flags |= HTML_NOSPACE;
715 print_text(h, ")");
716 return(0);
717 }
718
719 static int
720 mdoc_ns_pre(MDOC_ARGS)
721 {
722
723 if ( ! (MDOC_LINE & n->flags))
724 h->flags |= HTML_NOSPACE;
725 return(1);
726 }
727
728 static int
729 mdoc_ar_pre(MDOC_ARGS)
730 {
731 struct htmlpair tag;
732
733 PAIR_CLASS_INIT(&tag, "arg");
734 print_otag(h, TAG_I, 1, &tag);
735 return(1);
736 }
737
738 static int
739 mdoc_xx_pre(MDOC_ARGS)
740 {
741 const char *pp;
742 struct htmlpair tag;
743 int flags;
744
745 switch (n->tok) {
746 case MDOC_Bsx:
747 pp = "BSD/OS";
748 break;
749 case MDOC_Dx:
750 pp = "DragonFly";
751 break;
752 case MDOC_Fx:
753 pp = "FreeBSD";
754 break;
755 case MDOC_Nx:
756 pp = "NetBSD";
757 break;
758 case MDOC_Ox:
759 pp = "OpenBSD";
760 break;
761 case MDOC_Ux:
762 pp = "UNIX";
763 break;
764 default:
765 return(1);
766 }
767
768 PAIR_CLASS_INIT(&tag, "unix");
769 print_otag(h, TAG_SPAN, 1, &tag);
770
771 print_text(h, pp);
772 if (n->child) {
773 flags = h->flags;
774 h->flags |= HTML_KEEP;
775 print_text(h, n->child->string);
776 h->flags = flags;
777 }
778 return(0);
779 }
780
781 static int
782 mdoc_bx_pre(MDOC_ARGS)
783 {
784 struct htmlpair tag;
785
786 PAIR_CLASS_INIT(&tag, "unix");
787 print_otag(h, TAG_SPAN, 1, &tag);
788
789 if (NULL != (n = n->child)) {
790 print_text(h, n->string);
791 h->flags |= HTML_NOSPACE;
792 print_text(h, "BSD");
793 } else {
794 print_text(h, "BSD");
795 return(0);
796 }
797
798 if (NULL != (n = n->next)) {
799 h->flags |= HTML_NOSPACE;
800 print_text(h, "-");
801 h->flags |= HTML_NOSPACE;
802 print_text(h, n->string);
803 }
804
805 return(0);
806 }
807
808 static int
809 mdoc_it_pre(MDOC_ARGS)
810 {
811 struct roffsu su;
812 enum mdoc_list type;
813 struct htmlpair tag[2];
814 const struct roff_node *bl;
815
816 bl = n->parent;
817 while (bl && MDOC_Bl != bl->tok)
818 bl = bl->parent;
819
820 assert(bl);
821
822 type = bl->norm->Bl.type;
823
824 assert(lists[type]);
825 PAIR_CLASS_INIT(&tag[0], lists[type]);
826
827 bufinit(h);
828
829 if (n->type == ROFFT_HEAD) {
830 switch (type) {
831 case LIST_bullet:
832 /* FALLTHROUGH */
833 case LIST_dash:
834 /* FALLTHROUGH */
835 case LIST_item:
836 /* FALLTHROUGH */
837 case LIST_hyphen:
838 /* FALLTHROUGH */
839 case LIST_enum:
840 return(0);
841 case LIST_diag:
842 /* FALLTHROUGH */
843 case LIST_hang:
844 /* FALLTHROUGH */
845 case LIST_inset:
846 /* FALLTHROUGH */
847 case LIST_ohang:
848 /* FALLTHROUGH */
849 case LIST_tag:
850 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
851 bufcat_su(h, "margin-top", &su);
852 PAIR_STYLE_INIT(&tag[1], h);
853 print_otag(h, TAG_DT, 2, tag);
854 if (LIST_diag != type)
855 break;
856 PAIR_CLASS_INIT(&tag[0], "diag");
857 print_otag(h, TAG_B, 1, tag);
858 break;
859 case LIST_column:
860 break;
861 default:
862 break;
863 }
864 } else if (n->type == ROFFT_BODY) {
865 switch (type) {
866 case LIST_bullet:
867 /* FALLTHROUGH */
868 case LIST_hyphen:
869 /* FALLTHROUGH */
870 case LIST_dash:
871 /* FALLTHROUGH */
872 case LIST_enum:
873 /* FALLTHROUGH */
874 case LIST_item:
875 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
876 bufcat_su(h, "margin-top", &su);
877 PAIR_STYLE_INIT(&tag[1], h);
878 print_otag(h, TAG_LI, 2, tag);
879 break;
880 case LIST_diag:
881 /* FALLTHROUGH */
882 case LIST_hang:
883 /* FALLTHROUGH */
884 case LIST_inset:
885 /* FALLTHROUGH */
886 case LIST_ohang:
887 /* FALLTHROUGH */
888 case LIST_tag:
889 if (NULL == bl->norm->Bl.width) {
890 print_otag(h, TAG_DD, 1, tag);
891 break;
892 }
893 a2width(bl->norm->Bl.width, &su);
894 bufcat_su(h, "margin-left", &su);
895 PAIR_STYLE_INIT(&tag[1], h);
896 print_otag(h, TAG_DD, 2, tag);
897 break;
898 case LIST_column:
899 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
900 bufcat_su(h, "margin-top", &su);
901 PAIR_STYLE_INIT(&tag[1], h);
902 print_otag(h, TAG_TD, 2, tag);
903 break;
904 default:
905 break;
906 }
907 } else {
908 switch (type) {
909 case LIST_column:
910 print_otag(h, TAG_TR, 1, tag);
911 break;
912 default:
913 break;
914 }
915 }
916
917 return(1);
918 }
919
920 static int
921 mdoc_bl_pre(MDOC_ARGS)
922 {
923 int i;
924 struct htmlpair tag[3];
925 struct roffsu su;
926 char buf[BUFSIZ];
927
928 if (n->type == ROFFT_BODY) {
929 if (LIST_column == n->norm->Bl.type)
930 print_otag(h, TAG_TBODY, 0, NULL);
931 return(1);
932 }
933
934 if (n->type == ROFFT_HEAD) {
935 if (LIST_column != n->norm->Bl.type)
936 return(0);
937
938 /*
939 * For each column, print out the <COL> tag with our
940 * suggested width. The last column gets min-width, as
941 * in terminal mode it auto-sizes to the width of the
942 * screen and we want to preserve that behaviour.
943 */
944
945 for (i = 0; i < (int)n->norm->Bl.ncols; i++) {
946 bufinit(h);
947 a2width(n->norm->Bl.cols[i], &su);
948 if (i < (int)n->norm->Bl.ncols - 1)
949 bufcat_su(h, "width", &su);
950 else
951 bufcat_su(h, "min-width", &su);
952 PAIR_STYLE_INIT(&tag[0], h);
953 print_otag(h, TAG_COL, 1, tag);
954 }
955
956 return(0);
957 }
958
959 SCALE_VS_INIT(&su, 0);
960 bufinit(h);
961 bufcat_su(h, "margin-top", &su);
962 bufcat_su(h, "margin-bottom", &su);
963 PAIR_STYLE_INIT(&tag[0], h);
964
965 assert(lists[n->norm->Bl.type]);
966 (void)strlcpy(buf, "list ", BUFSIZ);
967 (void)strlcat(buf, lists[n->norm->Bl.type], BUFSIZ);
968 PAIR_INIT(&tag[1], ATTR_CLASS, buf);
969
970 /* Set the block's left-hand margin. */
971
972 if (n->norm->Bl.offs) {
973 a2width(n->norm->Bl.offs, &su);
974 bufcat_su(h, "margin-left", &su);
975 }
976
977 switch (n->norm->Bl.type) {
978 case LIST_bullet:
979 /* FALLTHROUGH */
980 case LIST_dash:
981 /* FALLTHROUGH */
982 case LIST_hyphen:
983 /* FALLTHROUGH */
984 case LIST_item:
985 print_otag(h, TAG_UL, 2, tag);
986 break;
987 case LIST_enum:
988 print_otag(h, TAG_OL, 2, tag);
989 break;
990 case LIST_diag:
991 /* FALLTHROUGH */
992 case LIST_hang:
993 /* FALLTHROUGH */
994 case LIST_inset:
995 /* FALLTHROUGH */
996 case LIST_ohang:
997 /* FALLTHROUGH */
998 case LIST_tag:
999 print_otag(h, TAG_DL, 2, tag);
1000 break;
1001 case LIST_column:
1002 print_otag(h, TAG_TABLE, 2, tag);
1003 break;
1004 default:
1005 abort();
1006 /* NOTREACHED */
1007 }
1008
1009 return(1);
1010 }
1011
1012 static int
1013 mdoc_ex_pre(MDOC_ARGS)
1014 {
1015 struct tag *t;
1016 struct htmlpair tag;
1017 int nchild;
1018
1019 if (n->prev)
1020 print_otag(h, TAG_BR, 0, NULL);
1021
1022 PAIR_CLASS_INIT(&tag, "utility");
1023
1024 print_text(h, "The");
1025
1026 nchild = n->nchild;
1027 for (n = n->child; n; n = n->next) {
1028 assert(n->type == ROFFT_TEXT);
1029
1030 t = print_otag(h, TAG_B, 1, &tag);
1031 print_text(h, n->string);
1032 print_tagq(h, t);
1033
1034 if (nchild > 2 && n->next) {
1035 h->flags |= HTML_NOSPACE;
1036 print_text(h, ",");
1037 }
1038
1039 if (n->next && NULL == n->next->next)
1040 print_text(h, "and");
1041 }
1042
1043 if (nchild > 1)
1044 print_text(h, "utilities exit\\~0");
1045 else
1046 print_text(h, "utility exits\\~0");
1047
1048 print_text(h, "on success, and\\~>0 if an error occurs.");
1049 return(0);
1050 }
1051
1052 static int
1053 mdoc_em_pre(MDOC_ARGS)
1054 {
1055 struct htmlpair tag;
1056
1057 PAIR_CLASS_INIT(&tag, "emph");
1058 print_otag(h, TAG_SPAN, 1, &tag);
1059 return(1);
1060 }
1061
1062 static int
1063 mdoc_d1_pre(MDOC_ARGS)
1064 {
1065 struct htmlpair tag[2];
1066 struct roffsu su;
1067
1068 if (n->type != ROFFT_BLOCK)
1069 return(1);
1070
1071 SCALE_VS_INIT(&su, 0);
1072 bufinit(h);
1073 bufcat_su(h, "margin-top", &su);
1074 bufcat_su(h, "margin-bottom", &su);
1075 PAIR_STYLE_INIT(&tag[0], h);
1076 print_otag(h, TAG_BLOCKQUOTE, 1, tag);
1077
1078 /* BLOCKQUOTE needs a block body. */
1079
1080 PAIR_CLASS_INIT(&tag[0], "display");
1081 print_otag(h, TAG_DIV, 1, tag);
1082
1083 if (MDOC_Dl == n->tok) {
1084 PAIR_CLASS_INIT(&tag[0], "lit");
1085 print_otag(h, TAG_CODE, 1, tag);
1086 }
1087
1088 return(1);
1089 }
1090
1091 static int
1092 mdoc_sx_pre(MDOC_ARGS)
1093 {
1094 struct htmlpair tag[2];
1095
1096 bufinit(h);
1097 bufcat(h, "#x");
1098
1099 for (n = n->child; n; ) {
1100 bufcat_id(h, n->string);
1101 if (NULL != (n = n->next))
1102 bufcat_id(h, " ");
1103 }
1104
1105 PAIR_CLASS_INIT(&tag[0], "link-sec");
1106 PAIR_HREF_INIT(&tag[1], h->buf);
1107
1108 print_otag(h, TAG_I, 1, tag);
1109 print_otag(h, TAG_A, 2, tag);
1110 return(1);
1111 }
1112
1113 static int
1114 mdoc_bd_pre(MDOC_ARGS)
1115 {
1116 struct htmlpair tag[2];
1117 int comp, sv;
1118 struct roff_node *nn;
1119 struct roffsu su;
1120
1121 if (n->type == ROFFT_HEAD)
1122 return(0);
1123
1124 if (n->type == ROFFT_BLOCK) {
1125 comp = n->norm->Bd.comp;
1126 for (nn = n; nn && ! comp; nn = nn->parent) {
1127 if (nn->type != ROFFT_BLOCK)
1128 continue;
1129 if (MDOC_Ss == nn->tok || MDOC_Sh == nn->tok)
1130 comp = 1;
1131 if (nn->prev)
1132 break;
1133 }
1134 if ( ! comp)
1135 print_paragraph(h);
1136 return(1);
1137 }
1138
1139 /* Handle the -offset argument. */
1140
1141 if (n->norm->Bd.offs == NULL ||
1142 ! strcmp(n->norm->Bd.offs, "left"))
1143 SCALE_HS_INIT(&su, 0);
1144 else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1145 SCALE_HS_INIT(&su, INDENT);
1146 else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1147 SCALE_HS_INIT(&su, INDENT * 2);
1148 else
1149 a2width(n->norm->Bd.offs, &su);
1150
1151 bufinit(h);
1152 bufcat_su(h, "margin-left", &su);
1153 PAIR_STYLE_INIT(&tag[0], h);
1154
1155 if (DISP_unfilled != n->norm->Bd.type &&
1156 DISP_literal != n->norm->Bd.type) {
1157 PAIR_CLASS_INIT(&tag[1], "display");
1158 print_otag(h, TAG_DIV, 2, tag);
1159 return(1);
1160 }
1161
1162 PAIR_CLASS_INIT(&tag[1], "lit display");
1163 print_otag(h, TAG_PRE, 2, tag);
1164
1165 /* This can be recursive: save & set our literal state. */
1166
1167 sv = h->flags & HTML_LITERAL;
1168 h->flags |= HTML_LITERAL;
1169
1170 for (nn = n->child; nn; nn = nn->next) {
1171 print_mdoc_node(meta, nn, h);
1172 /*
1173 * If the printed node flushes its own line, then we
1174 * needn't do it here as well. This is hacky, but the
1175 * notion of selective eoln whitespace is pretty dumb
1176 * anyway, so don't sweat it.
1177 */
1178 switch (nn->tok) {
1179 case MDOC_Sm:
1180 /* FALLTHROUGH */
1181 case MDOC_br:
1182 /* FALLTHROUGH */
1183 case MDOC_sp:
1184 /* FALLTHROUGH */
1185 case MDOC_Bl:
1186 /* FALLTHROUGH */
1187 case MDOC_D1:
1188 /* FALLTHROUGH */
1189 case MDOC_Dl:
1190 /* FALLTHROUGH */
1191 case MDOC_Lp:
1192 /* FALLTHROUGH */
1193 case MDOC_Pp:
1194 continue;
1195 default:
1196 break;
1197 }
1198 if (h->flags & HTML_NONEWLINE ||
1199 (nn->next && ! (nn->next->flags & MDOC_LINE)))
1200 continue;
1201 else if (nn->next)
1202 print_text(h, "\n");
1203
1204 h->flags |= HTML_NOSPACE;
1205 }
1206
1207 if (0 == sv)
1208 h->flags &= ~HTML_LITERAL;
1209
1210 return(0);
1211 }
1212
1213 static int
1214 mdoc_pa_pre(MDOC_ARGS)
1215 {
1216 struct htmlpair tag;
1217
1218 PAIR_CLASS_INIT(&tag, "file");
1219 print_otag(h, TAG_I, 1, &tag);
1220 return(1);
1221 }
1222
1223 static int
1224 mdoc_ad_pre(MDOC_ARGS)
1225 {
1226 struct htmlpair tag;
1227
1228 PAIR_CLASS_INIT(&tag, "addr");
1229 print_otag(h, TAG_I, 1, &tag);
1230 return(1);
1231 }
1232
1233 static int
1234 mdoc_an_pre(MDOC_ARGS)
1235 {
1236 struct htmlpair tag;
1237
1238 if (n->norm->An.auth == AUTH_split) {
1239 h->flags &= ~HTML_NOSPLIT;
1240 h->flags |= HTML_SPLIT;
1241 return(0);
1242 }
1243 if (n->norm->An.auth == AUTH_nosplit) {
1244 h->flags &= ~HTML_SPLIT;
1245 h->flags |= HTML_NOSPLIT;
1246 return(0);
1247 }
1248
1249 if (h->flags & HTML_SPLIT)
1250 print_otag(h, TAG_BR, 0, NULL);
1251
1252 if (n->sec == SEC_AUTHORS && ! (h->flags & HTML_NOSPLIT))
1253 h->flags |= HTML_SPLIT;
1254
1255 PAIR_CLASS_INIT(&tag, "author");
1256 print_otag(h, TAG_SPAN, 1, &tag);
1257 return(1);
1258 }
1259
1260 static int
1261 mdoc_cd_pre(MDOC_ARGS)
1262 {
1263 struct htmlpair tag;
1264
1265 synopsis_pre(h, n);
1266 PAIR_CLASS_INIT(&tag, "config");
1267 print_otag(h, TAG_B, 1, &tag);
1268 return(1);
1269 }
1270
1271 static int
1272 mdoc_dv_pre(MDOC_ARGS)
1273 {
1274 struct htmlpair tag;
1275
1276 PAIR_CLASS_INIT(&tag, "define");
1277 print_otag(h, TAG_SPAN, 1, &tag);
1278 return(1);
1279 }
1280
1281 static int
1282 mdoc_ev_pre(MDOC_ARGS)
1283 {
1284 struct htmlpair tag;
1285
1286 PAIR_CLASS_INIT(&tag, "env");
1287 print_otag(h, TAG_SPAN, 1, &tag);
1288 return(1);
1289 }
1290
1291 static int
1292 mdoc_er_pre(MDOC_ARGS)
1293 {
1294 struct htmlpair tag;
1295
1296 PAIR_CLASS_INIT(&tag, "errno");
1297 print_otag(h, TAG_SPAN, 1, &tag);
1298 return(1);
1299 }
1300
1301 static int
1302 mdoc_fa_pre(MDOC_ARGS)
1303 {
1304 const struct roff_node *nn;
1305 struct htmlpair tag;
1306 struct tag *t;
1307
1308 PAIR_CLASS_INIT(&tag, "farg");
1309 if (n->parent->tok != MDOC_Fo) {
1310 print_otag(h, TAG_I, 1, &tag);
1311 return(1);
1312 }
1313
1314 for (nn = n->child; nn; nn = nn->next) {
1315 t = print_otag(h, TAG_I, 1, &tag);
1316 print_text(h, nn->string);
1317 print_tagq(h, t);
1318 if (nn->next) {
1319 h->flags |= HTML_NOSPACE;
1320 print_text(h, ",");
1321 }
1322 }
1323
1324 if (n->child && n->next && n->next->tok == MDOC_Fa) {
1325 h->flags |= HTML_NOSPACE;
1326 print_text(h, ",");
1327 }
1328
1329 return(0);
1330 }
1331
1332 static int
1333 mdoc_fd_pre(MDOC_ARGS)
1334 {
1335 struct htmlpair tag[2];
1336 char buf[BUFSIZ];
1337 size_t sz;
1338 int i;
1339 struct tag *t;
1340
1341 synopsis_pre(h, n);
1342
1343 if (NULL == (n = n->child))
1344 return(0);
1345
1346 assert(n->type == ROFFT_TEXT);
1347
1348 if (strcmp(n->string, "#include")) {
1349 PAIR_CLASS_INIT(&tag[0], "macro");
1350 print_otag(h, TAG_B, 1, tag);
1351 return(1);
1352 }
1353
1354 PAIR_CLASS_INIT(&tag[0], "includes");
1355 print_otag(h, TAG_B, 1, tag);
1356 print_text(h, n->string);
1357
1358 if (NULL != (n = n->next)) {
1359 assert(n->type == ROFFT_TEXT);
1360
1361 /*
1362 * XXX This is broken and not easy to fix.
1363 * When using -Oincludes, truncation may occur.
1364 * Dynamic allocation wouldn't help because
1365 * passing long strings to buffmt_includes()
1366 * does not work either.
1367 */
1368
1369 strlcpy(buf, '<' == *n->string || '"' == *n->string ?
1370 n->string + 1 : n->string, BUFSIZ);
1371
1372 sz = strlen(buf);
1373 if (sz && ('>' == buf[sz - 1] || '"' == buf[sz - 1]))
1374 buf[sz - 1] = '\0';
1375
1376 PAIR_CLASS_INIT(&tag[0], "link-includes");
1377
1378 i = 1;
1379 if (h->base_includes) {
1380 buffmt_includes(h, buf);
1381 PAIR_HREF_INIT(&tag[i], h->buf);
1382 i++;
1383 }
1384
1385 t = print_otag(h, TAG_A, i, tag);
1386 print_text(h, n->string);
1387 print_tagq(h, t);
1388
1389 n = n->next;
1390 }
1391
1392 for ( ; n; n = n->next) {
1393 assert(n->type == ROFFT_TEXT);
1394 print_text(h, n->string);
1395 }
1396
1397 return(0);
1398 }
1399
1400 static int
1401 mdoc_vt_pre(MDOC_ARGS)
1402 {
1403 struct htmlpair tag;
1404
1405 if (n->type == ROFFT_BLOCK) {
1406 synopsis_pre(h, n);
1407 return(1);
1408 } else if (n->type == ROFFT_ELEM) {
1409 synopsis_pre(h, n);
1410 } else if (n->type == ROFFT_HEAD)
1411 return(0);
1412
1413 PAIR_CLASS_INIT(&tag, "type");
1414 print_otag(h, TAG_SPAN, 1, &tag);
1415 return(1);
1416 }
1417
1418 static int
1419 mdoc_ft_pre(MDOC_ARGS)
1420 {
1421 struct htmlpair tag;
1422
1423 synopsis_pre(h, n);
1424 PAIR_CLASS_INIT(&tag, "ftype");
1425 print_otag(h, TAG_I, 1, &tag);
1426 return(1);
1427 }
1428
1429 static int
1430 mdoc_fn_pre(MDOC_ARGS)
1431 {
1432 struct tag *t;
1433 struct htmlpair tag[2];
1434 char nbuf[BUFSIZ];
1435 const char *sp, *ep;
1436 int sz, i, pretty;
1437
1438 pretty = MDOC_SYNPRETTY & n->flags;
1439 synopsis_pre(h, n);
1440
1441 /* Split apart into type and name. */
1442 assert(n->child->string);
1443 sp = n->child->string;
1444
1445 ep = strchr(sp, ' ');
1446 if (NULL != ep) {
1447 PAIR_CLASS_INIT(&tag[0], "ftype");
1448 t = print_otag(h, TAG_I, 1, tag);
1449
1450 while (ep) {
1451 sz = MIN((int)(ep - sp), BUFSIZ - 1);
1452 (void)memcpy(nbuf, sp, (size_t)sz);
1453 nbuf[sz] = '\0';
1454 print_text(h, nbuf);
1455 sp = ++ep;
1456 ep = strchr(sp, ' ');
1457 }
1458 print_tagq(h, t);
1459 }
1460
1461 PAIR_CLASS_INIT(&tag[0], "fname");
1462
1463 /*
1464 * FIXME: only refer to IDs that we know exist.
1465 */
1466
1467 #if 0
1468 if (MDOC_SYNPRETTY & n->flags) {
1469 nbuf[0] = '\0';
1470 html_idcat(nbuf, sp, BUFSIZ);
1471 PAIR_ID_INIT(&tag[1], nbuf);
1472 } else {
1473 strlcpy(nbuf, "#", BUFSIZ);
1474 html_idcat(nbuf, sp, BUFSIZ);
1475 PAIR_HREF_INIT(&tag[1], nbuf);
1476 }
1477 #endif
1478
1479 t = print_otag(h, TAG_B, 1, tag);
1480
1481 if (sp)
1482 print_text(h, sp);
1483
1484 print_tagq(h, t);
1485
1486 h->flags |= HTML_NOSPACE;
1487 print_text(h, "(");
1488 h->flags |= HTML_NOSPACE;
1489
1490 PAIR_CLASS_INIT(&tag[0], "farg");
1491 bufinit(h);
1492 bufcat_style(h, "white-space", "nowrap");
1493 PAIR_STYLE_INIT(&tag[1], h);
1494
1495 for (n = n->child->next; n; n = n->next) {
1496 i = 1;
1497 if (MDOC_SYNPRETTY & n->flags)
1498 i = 2;
1499 t = print_otag(h, TAG_I, i, tag);
1500 print_text(h, n->string);
1501 print_tagq(h, t);
1502 if (n->next) {
1503 h->flags |= HTML_NOSPACE;
1504 print_text(h, ",");
1505 }
1506 }
1507
1508 h->flags |= HTML_NOSPACE;
1509 print_text(h, ")");
1510
1511 if (pretty) {
1512 h->flags |= HTML_NOSPACE;
1513 print_text(h, ";");
1514 }
1515
1516 return(0);
1517 }
1518
1519 static int
1520 mdoc_sm_pre(MDOC_ARGS)
1521 {
1522
1523 if (NULL == n->child)
1524 h->flags ^= HTML_NONOSPACE;
1525 else if (0 == strcmp("on", n->child->string))
1526 h->flags &= ~HTML_NONOSPACE;
1527 else
1528 h->flags |= HTML_NONOSPACE;
1529
1530 if ( ! (HTML_NONOSPACE & h->flags))
1531 h->flags &= ~HTML_NOSPACE;
1532
1533 return(0);
1534 }
1535
1536 static int
1537 mdoc_skip_pre(MDOC_ARGS)
1538 {
1539
1540 return(0);
1541 }
1542
1543 static int
1544 mdoc_pp_pre(MDOC_ARGS)
1545 {
1546
1547 print_paragraph(h);
1548 return(0);
1549 }
1550
1551 static int
1552 mdoc_sp_pre(MDOC_ARGS)
1553 {
1554 struct roffsu su;
1555 struct htmlpair tag;
1556
1557 SCALE_VS_INIT(&su, 1);
1558
1559 if (MDOC_sp == n->tok) {
1560 if (NULL != (n = n->child)) {
1561 if ( ! a2roffsu(n->string, &su, SCALE_VS))
1562 su.scale = 1.0;
1563 else if (su.scale < 0.0)
1564 su.scale = 0.0;
1565 }
1566 } else
1567 su.scale = 0.0;
1568
1569 bufinit(h);
1570 bufcat_su(h, "height", &su);
1571 PAIR_STYLE_INIT(&tag, h);
1572 print_otag(h, TAG_DIV, 1, &tag);
1573
1574 /* So the div isn't empty: */
1575 print_text(h, "\\~");
1576
1577 return(0);
1578
1579 }
1580
1581 static int
1582 mdoc_lk_pre(MDOC_ARGS)
1583 {
1584 struct htmlpair tag[2];
1585
1586 if (NULL == (n = n->child))
1587 return(0);
1588
1589 assert(n->type == ROFFT_TEXT);
1590
1591 PAIR_CLASS_INIT(&tag[0], "link-ext");
1592 PAIR_HREF_INIT(&tag[1], n->string);
1593
1594 print_otag(h, TAG_A, 2, tag);
1595
1596 if (NULL == n->next)
1597 print_text(h, n->string);
1598
1599 for (n = n->next; n; n = n->next)
1600 print_text(h, n->string);
1601
1602 return(0);
1603 }
1604
1605 static int
1606 mdoc_mt_pre(MDOC_ARGS)
1607 {
1608 struct htmlpair tag[2];
1609 struct tag *t;
1610
1611 PAIR_CLASS_INIT(&tag[0], "link-mail");
1612
1613 for (n = n->child; n; n = n->next) {
1614 assert(n->type == ROFFT_TEXT);
1615
1616 bufinit(h);
1617 bufcat(h, "mailto:");
1618 bufcat(h, n->string);
1619
1620 PAIR_HREF_INIT(&tag[1], h->buf);
1621 t = print_otag(h, TAG_A, 2, tag);
1622 print_text(h, n->string);
1623 print_tagq(h, t);
1624 }
1625
1626 return(0);
1627 }
1628
1629 static int
1630 mdoc_fo_pre(MDOC_ARGS)
1631 {
1632 struct htmlpair tag;
1633 struct tag *t;
1634
1635 if (n->type == ROFFT_BODY) {
1636 h->flags |= HTML_NOSPACE;
1637 print_text(h, "(");
1638 h->flags |= HTML_NOSPACE;
1639 return(1);
1640 } else if (n->type == ROFFT_BLOCK) {
1641 synopsis_pre(h, n);
1642 return(1);
1643 }
1644
1645 /* XXX: we drop non-initial arguments as per groff. */
1646
1647 assert(n->child);
1648 assert(n->child->string);
1649
1650 PAIR_CLASS_INIT(&tag, "fname");
1651 t = print_otag(h, TAG_B, 1, &tag);
1652 print_text(h, n->child->string);
1653 print_tagq(h, t);
1654 return(0);
1655 }
1656
1657 static void
1658 mdoc_fo_post(MDOC_ARGS)
1659 {
1660
1661 if (n->type != ROFFT_BODY)
1662 return;
1663 h->flags |= HTML_NOSPACE;
1664 print_text(h, ")");
1665 h->flags |= HTML_NOSPACE;
1666 print_text(h, ";");
1667 }
1668
1669 static int
1670 mdoc_in_pre(MDOC_ARGS)
1671 {
1672 struct tag *t;
1673 struct htmlpair tag[2];
1674 int i;
1675
1676 synopsis_pre(h, n);
1677
1678 PAIR_CLASS_INIT(&tag[0], "includes");
1679 print_otag(h, TAG_B, 1, tag);
1680
1681 /*
1682 * The first argument of the `In' gets special treatment as
1683 * being a linked value. Subsequent values are printed
1684 * afterward. groff does similarly. This also handles the case
1685 * of no children.
1686 */
1687
1688 if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags)
1689 print_text(h, "#include");
1690
1691 print_text(h, "<");
1692 h->flags |= HTML_NOSPACE;
1693
1694 if (NULL != (n = n->child)) {
1695 assert(n->type == ROFFT_TEXT);
1696
1697 PAIR_CLASS_INIT(&tag[0], "link-includes");
1698
1699 i = 1;
1700 if (h->base_includes) {
1701 buffmt_includes(h, n->string);
1702 PAIR_HREF_INIT(&tag[i], h->buf);
1703 i++;
1704 }
1705
1706 t = print_otag(h, TAG_A, i, tag);
1707 print_text(h, n->string);
1708 print_tagq(h, t);
1709
1710 n = n->next;
1711 }
1712
1713 h->flags |= HTML_NOSPACE;
1714 print_text(h, ">");
1715
1716 for ( ; n; n = n->next) {
1717 assert(n->type == ROFFT_TEXT);
1718 print_text(h, n->string);
1719 }
1720
1721 return(0);
1722 }
1723
1724 static int
1725 mdoc_ic_pre(MDOC_ARGS)
1726 {
1727 struct htmlpair tag;
1728
1729 PAIR_CLASS_INIT(&tag, "cmd");
1730 print_otag(h, TAG_B, 1, &tag);
1731 return(1);
1732 }
1733
1734 static int
1735 mdoc_rv_pre(MDOC_ARGS)
1736 {
1737 struct htmlpair tag;
1738 struct tag *t;
1739 int nchild;
1740
1741 if (n->prev)
1742 print_otag(h, TAG_BR, 0, NULL);
1743
1744 PAIR_CLASS_INIT(&tag, "fname");
1745
1746 nchild = n->nchild;
1747 if (nchild > 0) {
1748 print_text(h, "The");
1749
1750 for (n = n->child; n; n = n->next) {
1751 t = print_otag(h, TAG_B, 1, &tag);
1752 print_text(h, n->string);
1753 print_tagq(h, t);
1754
1755 h->flags |= HTML_NOSPACE;
1756 print_text(h, "()");
1757
1758 if (n->next == NULL)
1759 continue;
1760
1761 if (nchild > 2) {
1762 h->flags |= HTML_NOSPACE;
1763 print_text(h, ",");
1764 }
1765 if (n->next->next == NULL)
1766 print_text(h, "and");
1767 }
1768
1769 if (nchild > 1)
1770 print_text(h, "functions return");
1771 else
1772 print_text(h, "function returns");
1773
1774 print_text(h, "the value\\~0 if successful;");
1775 } else
1776 print_text(h, "Upon successful completion,"
1777 " the value\\~0 is returned;");
1778
1779 print_text(h, "otherwise the value\\~\\-1 is returned"
1780 " and the global variable");
1781
1782 PAIR_CLASS_INIT(&tag, "var");
1783 t = print_otag(h, TAG_B, 1, &tag);
1784 print_text(h, "errno");
1785 print_tagq(h, t);
1786 print_text(h, "is set to indicate the error.");
1787 return(0);
1788 }
1789
1790 static int
1791 mdoc_va_pre(MDOC_ARGS)
1792 {
1793 struct htmlpair tag;
1794
1795 PAIR_CLASS_INIT(&tag, "var");
1796 print_otag(h, TAG_B, 1, &tag);
1797 return(1);
1798 }
1799
1800 static int
1801 mdoc_ap_pre(MDOC_ARGS)
1802 {
1803
1804 h->flags |= HTML_NOSPACE;
1805 print_text(h, "\\(aq");
1806 h->flags |= HTML_NOSPACE;
1807 return(1);
1808 }
1809
1810 static int
1811 mdoc_bf_pre(MDOC_ARGS)
1812 {
1813 struct htmlpair tag[2];
1814 struct roffsu su;
1815
1816 if (n->type == ROFFT_HEAD)
1817 return(0);
1818 else if (n->type != ROFFT_BODY)
1819 return(1);
1820
1821 if (FONT_Em == n->norm->Bf.font)
1822 PAIR_CLASS_INIT(&tag[0], "emph");
1823 else if (FONT_Sy == n->norm->Bf.font)
1824 PAIR_CLASS_INIT(&tag[0], "symb");
1825 else if (FONT_Li == n->norm->Bf.font)
1826 PAIR_CLASS_INIT(&tag[0], "lit");
1827 else
1828 PAIR_CLASS_INIT(&tag[0], "none");
1829
1830 /*
1831 * We want this to be inline-formatted, but needs to be div to
1832 * accept block children.
1833 */
1834 bufinit(h);
1835 bufcat_style(h, "display", "inline");
1836 SCALE_HS_INIT(&su, 1);
1837 /* Needs a left-margin for spacing. */
1838 bufcat_su(h, "margin-left", &su);
1839 PAIR_STYLE_INIT(&tag[1], h);
1840 print_otag(h, TAG_DIV, 2, tag);
1841 return(1);
1842 }
1843
1844 static int
1845 mdoc_ms_pre(MDOC_ARGS)
1846 {
1847 struct htmlpair tag;
1848
1849 PAIR_CLASS_INIT(&tag, "symb");
1850 print_otag(h, TAG_SPAN, 1, &tag);
1851 return(1);
1852 }
1853
1854 static int
1855 mdoc_igndelim_pre(MDOC_ARGS)
1856 {
1857
1858 h->flags |= HTML_IGNDELIM;
1859 return(1);
1860 }
1861
1862 static void
1863 mdoc_pf_post(MDOC_ARGS)
1864 {
1865
1866 if ( ! (n->next == NULL || n->next->flags & MDOC_LINE))
1867 h->flags |= HTML_NOSPACE;
1868 }
1869
1870 static int
1871 mdoc_rs_pre(MDOC_ARGS)
1872 {
1873 struct htmlpair tag;
1874
1875 if (n->type != ROFFT_BLOCK)
1876 return(1);
1877
1878 if (n->prev && SEC_SEE_ALSO == n->sec)
1879 print_paragraph(h);
1880
1881 PAIR_CLASS_INIT(&tag, "ref");
1882 print_otag(h, TAG_SPAN, 1, &tag);
1883 return(1);
1884 }
1885
1886 static int
1887 mdoc_no_pre(MDOC_ARGS)
1888 {
1889 struct htmlpair tag;
1890
1891 PAIR_CLASS_INIT(&tag, "none");
1892 print_otag(h, TAG_CODE, 1, &tag);
1893 return(1);
1894 }
1895
1896 static int
1897 mdoc_li_pre(MDOC_ARGS)
1898 {
1899 struct htmlpair tag;
1900
1901 PAIR_CLASS_INIT(&tag, "lit");
1902 print_otag(h, TAG_CODE, 1, &tag);
1903 return(1);
1904 }
1905
1906 static int
1907 mdoc_sy_pre(MDOC_ARGS)
1908 {
1909 struct htmlpair tag;
1910
1911 PAIR_CLASS_INIT(&tag, "symb");
1912 print_otag(h, TAG_SPAN, 1, &tag);
1913 return(1);
1914 }
1915
1916 static int
1917 mdoc_bt_pre(MDOC_ARGS)
1918 {
1919
1920 print_text(h, "is currently in beta test.");
1921 return(0);
1922 }
1923
1924 static int
1925 mdoc_ud_pre(MDOC_ARGS)
1926 {
1927
1928 print_text(h, "currently under development.");
1929 return(0);
1930 }
1931
1932 static int
1933 mdoc_lb_pre(MDOC_ARGS)
1934 {
1935 struct htmlpair tag;
1936
1937 if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags && n->prev)
1938 print_otag(h, TAG_BR, 0, NULL);
1939
1940 PAIR_CLASS_INIT(&tag, "lib");
1941 print_otag(h, TAG_SPAN, 1, &tag);
1942 return(1);
1943 }
1944
1945 static int
1946 mdoc__x_pre(MDOC_ARGS)
1947 {
1948 struct htmlpair tag[2];
1949 enum htmltag t;
1950
1951 t = TAG_SPAN;
1952
1953 switch (n->tok) {
1954 case MDOC__A:
1955 PAIR_CLASS_INIT(&tag[0], "ref-auth");
1956 if (n->prev && MDOC__A == n->prev->tok)
1957 if (NULL == n->next || MDOC__A != n->next->tok)
1958 print_text(h, "and");
1959 break;
1960 case MDOC__B:
1961 PAIR_CLASS_INIT(&tag[0], "ref-book");
1962 t = TAG_I;
1963 break;
1964 case MDOC__C:
1965 PAIR_CLASS_INIT(&tag[0], "ref-city");
1966 break;
1967 case MDOC__D:
1968 PAIR_CLASS_INIT(&tag[0], "ref-date");
1969 break;
1970 case MDOC__I:
1971 PAIR_CLASS_INIT(&tag[0], "ref-issue");
1972 t = TAG_I;
1973 break;
1974 case MDOC__J:
1975 PAIR_CLASS_INIT(&tag[0], "ref-jrnl");
1976 t = TAG_I;
1977 break;
1978 case MDOC__N:
1979 PAIR_CLASS_INIT(&tag[0], "ref-num");
1980 break;
1981 case MDOC__O:
1982 PAIR_CLASS_INIT(&tag[0], "ref-opt");
1983 break;
1984 case MDOC__P:
1985 PAIR_CLASS_INIT(&tag[0], "ref-page");
1986 break;
1987 case MDOC__Q:
1988 PAIR_CLASS_INIT(&tag[0], "ref-corp");
1989 break;
1990 case MDOC__R:
1991 PAIR_CLASS_INIT(&tag[0], "ref-rep");
1992 break;
1993 case MDOC__T:
1994 PAIR_CLASS_INIT(&tag[0], "ref-title");
1995 break;
1996 case MDOC__U:
1997 PAIR_CLASS_INIT(&tag[0], "link-ref");
1998 break;
1999 case MDOC__V:
2000 PAIR_CLASS_INIT(&tag[0], "ref-vol");
2001 break;
2002 default:
2003 abort();
2004 /* NOTREACHED */
2005 }
2006
2007 if (MDOC__U != n->tok) {
2008 print_otag(h, t, 1, tag);
2009 return(1);
2010 }
2011
2012 PAIR_HREF_INIT(&tag[1], n->child->string);
2013 print_otag(h, TAG_A, 2, tag);
2014
2015 return(1);
2016 }
2017
2018 static void
2019 mdoc__x_post(MDOC_ARGS)
2020 {
2021
2022 if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2023 if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2024 if (NULL == n->prev || MDOC__A != n->prev->tok)
2025 return;
2026
2027 /* TODO: %U */
2028
2029 if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2030 return;
2031
2032 h->flags |= HTML_NOSPACE;
2033 print_text(h, n->next ? "," : ".");
2034 }
2035
2036 static int
2037 mdoc_bk_pre(MDOC_ARGS)
2038 {
2039
2040 switch (n->type) {
2041 case ROFFT_BLOCK:
2042 break;
2043 case ROFFT_HEAD:
2044 return(0);
2045 case ROFFT_BODY:
2046 if (n->parent->args || 0 == n->prev->nchild)
2047 h->flags |= HTML_PREKEEP;
2048 break;
2049 default:
2050 abort();
2051 /* NOTREACHED */
2052 }
2053
2054 return(1);
2055 }
2056
2057 static void
2058 mdoc_bk_post(MDOC_ARGS)
2059 {
2060
2061 if (n->type == ROFFT_BODY)
2062 h->flags &= ~(HTML_KEEP | HTML_PREKEEP);
2063 }
2064
2065 static int
2066 mdoc_quote_pre(MDOC_ARGS)
2067 {
2068 struct htmlpair tag;
2069
2070 if (n->type != ROFFT_BODY)
2071 return(1);
2072
2073 switch (n->tok) {
2074 case MDOC_Ao:
2075 /* FALLTHROUGH */
2076 case MDOC_Aq:
2077 print_text(h, n->nchild == 1 &&
2078 n->child->tok == MDOC_Mt ? "<" : "\\(la");
2079 break;
2080 case MDOC_Bro:
2081 /* FALLTHROUGH */
2082 case MDOC_Brq:
2083 print_text(h, "\\(lC");
2084 break;
2085 case MDOC_Bo:
2086 /* FALLTHROUGH */
2087 case MDOC_Bq:
2088 print_text(h, "\\(lB");
2089 break;
2090 case MDOC_Oo:
2091 /* FALLTHROUGH */
2092 case MDOC_Op:
2093 print_text(h, "\\(lB");
2094 h->flags |= HTML_NOSPACE;
2095 PAIR_CLASS_INIT(&tag, "opt");
2096 print_otag(h, TAG_SPAN, 1, &tag);
2097 break;
2098 case MDOC_En:
2099 if (NULL == n->norm->Es ||
2100 NULL == n->norm->Es->child)
2101 return(1);
2102 print_text(h, n->norm->Es->child->string);
2103 break;
2104 case MDOC_Do:
2105 /* FALLTHROUGH */
2106 case MDOC_Dq:
2107 /* FALLTHROUGH */
2108 case MDOC_Qo:
2109 /* FALLTHROUGH */
2110 case MDOC_Qq:
2111 print_text(h, "\\(lq");
2112 break;
2113 case MDOC_Po:
2114 /* FALLTHROUGH */
2115 case MDOC_Pq:
2116 print_text(h, "(");
2117 break;
2118 case MDOC_Ql:
2119 print_text(h, "\\(oq");
2120 h->flags |= HTML_NOSPACE;
2121 PAIR_CLASS_INIT(&tag, "lit");
2122 print_otag(h, TAG_CODE, 1, &tag);
2123 break;
2124 case MDOC_So:
2125 /* FALLTHROUGH */
2126 case MDOC_Sq:
2127 print_text(h, "\\(oq");
2128 break;
2129 default:
2130 abort();
2131 /* NOTREACHED */
2132 }
2133
2134 h->flags |= HTML_NOSPACE;
2135 return(1);
2136 }
2137
2138 static void
2139 mdoc_quote_post(MDOC_ARGS)
2140 {
2141
2142 if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
2143 return;
2144
2145 h->flags |= HTML_NOSPACE;
2146
2147 switch (n->tok) {
2148 case MDOC_Ao:
2149 /* FALLTHROUGH */
2150 case MDOC_Aq:
2151 print_text(h, n->nchild == 1 &&
2152 n->child->tok == MDOC_Mt ? ">" : "\\(ra");
2153 break;
2154 case MDOC_Bro:
2155 /* FALLTHROUGH */
2156 case MDOC_Brq:
2157 print_text(h, "\\(rC");
2158 break;
2159 case MDOC_Oo:
2160 /* FALLTHROUGH */
2161 case MDOC_Op:
2162 /* FALLTHROUGH */
2163 case MDOC_Bo:
2164 /* FALLTHROUGH */
2165 case MDOC_Bq:
2166 print_text(h, "\\(rB");
2167 break;
2168 case MDOC_En:
2169 if (n->norm->Es == NULL ||
2170 n->norm->Es->child == NULL ||
2171 n->norm->Es->child->next == NULL)
2172 h->flags &= ~HTML_NOSPACE;
2173 else
2174 print_text(h, n->norm->Es->child->next->string);
2175 break;
2176 case MDOC_Qo:
2177 /* FALLTHROUGH */
2178 case MDOC_Qq:
2179 /* FALLTHROUGH */
2180 case MDOC_Do:
2181 /* FALLTHROUGH */
2182 case MDOC_Dq:
2183 print_text(h, "\\(rq");
2184 break;
2185 case MDOC_Po:
2186 /* FALLTHROUGH */
2187 case MDOC_Pq:
2188 print_text(h, ")");
2189 break;
2190 case MDOC_Ql:
2191 /* FALLTHROUGH */
2192 case MDOC_So:
2193 /* FALLTHROUGH */
2194 case MDOC_Sq:
2195 print_text(h, "\\(cq");
2196 break;
2197 default:
2198 abort();
2199 /* NOTREACHED */
2200 }
2201 }
2202
2203 static int
2204 mdoc_eo_pre(MDOC_ARGS)
2205 {
2206
2207 if (n->type != ROFFT_BODY)
2208 return(1);
2209
2210 if (n->end == ENDBODY_NOT &&
2211 n->parent->head->child == NULL &&
2212 n->child != NULL &&
2213 n->child->end != ENDBODY_NOT)
2214 print_text(h, "\\&");
2215 else if (n->end != ENDBODY_NOT ? n->child != NULL :
2216 n->parent->head->child != NULL && (n->child != NULL ||
2217 (n->parent->tail != NULL && n->parent->tail->child != NULL)))
2218 h->flags |= HTML_NOSPACE;
2219 return(1);
2220 }
2221
2222 static void
2223 mdoc_eo_post(MDOC_ARGS)
2224 {
2225 int body, tail;
2226
2227 if (n->type != ROFFT_BODY)
2228 return;
2229
2230 if (n->end != ENDBODY_NOT) {
2231 h->flags &= ~HTML_NOSPACE;
2232 return;
2233 }
2234
2235 body = n->child != NULL || n->parent->head->child != NULL;
2236 tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
2237
2238 if (body && tail)
2239 h->flags |= HTML_NOSPACE;
2240 else if ( ! tail)
2241 h->flags &= ~HTML_NOSPACE;
2242 }
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