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Fix multiple aspects of SYNOPSIS .Nm formatting:
[mandoc.git] / mdoc_html.c
1 /* $Id: mdoc_html.c,v 1.234 2015/09/26 00:22:07 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 PAIR_CLASS_INIT(&tag, "name");
646 print_otag(h, TAG_B, 1, &tag);
647 if (NULL == n->child && meta->name)
648 print_text(h, meta->name);
649 return(1);
650 case ROFFT_HEAD:
651 print_otag(h, TAG_TD, 0, NULL);
652 PAIR_CLASS_INIT(&tag, "name");
653 print_otag(h, TAG_B, 1, &tag);
654 if (NULL == n->child && meta->name)
655 print_text(h, meta->name);
656 return(1);
657 case ROFFT_BODY:
658 print_otag(h, TAG_TD, 0, NULL);
659 return(1);
660 default:
661 break;
662 }
663
664 synopsis_pre(h, n);
665 PAIR_CLASS_INIT(&tag, "synopsis");
666 print_otag(h, TAG_TABLE, 1, &tag);
667
668 for (len = 0, n = n->head->child; n; n = n->next)
669 if (n->type == ROFFT_TEXT)
670 len += html_strlen(n->string);
671
672 if (0 == len && meta->name)
673 len = html_strlen(meta->name);
674
675 SCALE_HS_INIT(&su, len);
676 bufinit(h);
677 bufcat_su(h, "width", &su);
678 PAIR_STYLE_INIT(&tag, h);
679 print_otag(h, TAG_COL, 1, &tag);
680 print_otag(h, TAG_COL, 0, NULL);
681 print_otag(h, TAG_TBODY, 0, NULL);
682 print_otag(h, TAG_TR, 0, NULL);
683 return(1);
684 }
685
686 static int
687 mdoc_xr_pre(MDOC_ARGS)
688 {
689 struct htmlpair tag[2];
690
691 if (NULL == n->child)
692 return(0);
693
694 PAIR_CLASS_INIT(&tag[0], "link-man");
695
696 if (h->base_man) {
697 buffmt_man(h, n->child->string,
698 n->child->next ?
699 n->child->next->string : NULL);
700 PAIR_HREF_INIT(&tag[1], h->buf);
701 print_otag(h, TAG_A, 2, tag);
702 } else
703 print_otag(h, TAG_A, 1, tag);
704
705 n = n->child;
706 print_text(h, n->string);
707
708 if (NULL == (n = n->next))
709 return(0);
710
711 h->flags |= HTML_NOSPACE;
712 print_text(h, "(");
713 h->flags |= HTML_NOSPACE;
714 print_text(h, n->string);
715 h->flags |= HTML_NOSPACE;
716 print_text(h, ")");
717 return(0);
718 }
719
720 static int
721 mdoc_ns_pre(MDOC_ARGS)
722 {
723
724 if ( ! (MDOC_LINE & n->flags))
725 h->flags |= HTML_NOSPACE;
726 return(1);
727 }
728
729 static int
730 mdoc_ar_pre(MDOC_ARGS)
731 {
732 struct htmlpair tag;
733
734 PAIR_CLASS_INIT(&tag, "arg");
735 print_otag(h, TAG_I, 1, &tag);
736 return(1);
737 }
738
739 static int
740 mdoc_xx_pre(MDOC_ARGS)
741 {
742 const char *pp;
743 struct htmlpair tag;
744 int flags;
745
746 switch (n->tok) {
747 case MDOC_Bsx:
748 pp = "BSD/OS";
749 break;
750 case MDOC_Dx:
751 pp = "DragonFly";
752 break;
753 case MDOC_Fx:
754 pp = "FreeBSD";
755 break;
756 case MDOC_Nx:
757 pp = "NetBSD";
758 break;
759 case MDOC_Ox:
760 pp = "OpenBSD";
761 break;
762 case MDOC_Ux:
763 pp = "UNIX";
764 break;
765 default:
766 return(1);
767 }
768
769 PAIR_CLASS_INIT(&tag, "unix");
770 print_otag(h, TAG_SPAN, 1, &tag);
771
772 print_text(h, pp);
773 if (n->child) {
774 flags = h->flags;
775 h->flags |= HTML_KEEP;
776 print_text(h, n->child->string);
777 h->flags = flags;
778 }
779 return(0);
780 }
781
782 static int
783 mdoc_bx_pre(MDOC_ARGS)
784 {
785 struct htmlpair tag;
786
787 PAIR_CLASS_INIT(&tag, "unix");
788 print_otag(h, TAG_SPAN, 1, &tag);
789
790 if (NULL != (n = n->child)) {
791 print_text(h, n->string);
792 h->flags |= HTML_NOSPACE;
793 print_text(h, "BSD");
794 } else {
795 print_text(h, "BSD");
796 return(0);
797 }
798
799 if (NULL != (n = n->next)) {
800 h->flags |= HTML_NOSPACE;
801 print_text(h, "-");
802 h->flags |= HTML_NOSPACE;
803 print_text(h, n->string);
804 }
805
806 return(0);
807 }
808
809 static int
810 mdoc_it_pre(MDOC_ARGS)
811 {
812 struct roffsu su;
813 enum mdoc_list type;
814 struct htmlpair tag[2];
815 const struct roff_node *bl;
816
817 bl = n->parent;
818 while (bl && MDOC_Bl != bl->tok)
819 bl = bl->parent;
820
821 assert(bl);
822
823 type = bl->norm->Bl.type;
824
825 assert(lists[type]);
826 PAIR_CLASS_INIT(&tag[0], lists[type]);
827
828 bufinit(h);
829
830 if (n->type == ROFFT_HEAD) {
831 switch (type) {
832 case LIST_bullet:
833 /* FALLTHROUGH */
834 case LIST_dash:
835 /* FALLTHROUGH */
836 case LIST_item:
837 /* FALLTHROUGH */
838 case LIST_hyphen:
839 /* FALLTHROUGH */
840 case LIST_enum:
841 return(0);
842 case LIST_diag:
843 /* FALLTHROUGH */
844 case LIST_hang:
845 /* FALLTHROUGH */
846 case LIST_inset:
847 /* FALLTHROUGH */
848 case LIST_ohang:
849 /* FALLTHROUGH */
850 case LIST_tag:
851 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
852 bufcat_su(h, "margin-top", &su);
853 PAIR_STYLE_INIT(&tag[1], h);
854 print_otag(h, TAG_DT, 2, tag);
855 if (LIST_diag != type)
856 break;
857 PAIR_CLASS_INIT(&tag[0], "diag");
858 print_otag(h, TAG_B, 1, tag);
859 break;
860 case LIST_column:
861 break;
862 default:
863 break;
864 }
865 } else if (n->type == ROFFT_BODY) {
866 switch (type) {
867 case LIST_bullet:
868 /* FALLTHROUGH */
869 case LIST_hyphen:
870 /* FALLTHROUGH */
871 case LIST_dash:
872 /* FALLTHROUGH */
873 case LIST_enum:
874 /* FALLTHROUGH */
875 case LIST_item:
876 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
877 bufcat_su(h, "margin-top", &su);
878 PAIR_STYLE_INIT(&tag[1], h);
879 print_otag(h, TAG_LI, 2, tag);
880 break;
881 case LIST_diag:
882 /* FALLTHROUGH */
883 case LIST_hang:
884 /* FALLTHROUGH */
885 case LIST_inset:
886 /* FALLTHROUGH */
887 case LIST_ohang:
888 /* FALLTHROUGH */
889 case LIST_tag:
890 if (NULL == bl->norm->Bl.width) {
891 print_otag(h, TAG_DD, 1, tag);
892 break;
893 }
894 a2width(bl->norm->Bl.width, &su);
895 bufcat_su(h, "margin-left", &su);
896 PAIR_STYLE_INIT(&tag[1], h);
897 print_otag(h, TAG_DD, 2, tag);
898 break;
899 case LIST_column:
900 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
901 bufcat_su(h, "margin-top", &su);
902 PAIR_STYLE_INIT(&tag[1], h);
903 print_otag(h, TAG_TD, 2, tag);
904 break;
905 default:
906 break;
907 }
908 } else {
909 switch (type) {
910 case LIST_column:
911 print_otag(h, TAG_TR, 1, tag);
912 break;
913 default:
914 break;
915 }
916 }
917
918 return(1);
919 }
920
921 static int
922 mdoc_bl_pre(MDOC_ARGS)
923 {
924 int i;
925 struct htmlpair tag[3];
926 struct roffsu su;
927 char buf[BUFSIZ];
928
929 if (n->type == ROFFT_BODY) {
930 if (LIST_column == n->norm->Bl.type)
931 print_otag(h, TAG_TBODY, 0, NULL);
932 return(1);
933 }
934
935 if (n->type == ROFFT_HEAD) {
936 if (LIST_column != n->norm->Bl.type)
937 return(0);
938
939 /*
940 * For each column, print out the <COL> tag with our
941 * suggested width. The last column gets min-width, as
942 * in terminal mode it auto-sizes to the width of the
943 * screen and we want to preserve that behaviour.
944 */
945
946 for (i = 0; i < (int)n->norm->Bl.ncols; i++) {
947 bufinit(h);
948 a2width(n->norm->Bl.cols[i], &su);
949 if (i < (int)n->norm->Bl.ncols - 1)
950 bufcat_su(h, "width", &su);
951 else
952 bufcat_su(h, "min-width", &su);
953 PAIR_STYLE_INIT(&tag[0], h);
954 print_otag(h, TAG_COL, 1, tag);
955 }
956
957 return(0);
958 }
959
960 SCALE_VS_INIT(&su, 0);
961 bufinit(h);
962 bufcat_su(h, "margin-top", &su);
963 bufcat_su(h, "margin-bottom", &su);
964 PAIR_STYLE_INIT(&tag[0], h);
965
966 assert(lists[n->norm->Bl.type]);
967 (void)strlcpy(buf, "list ", BUFSIZ);
968 (void)strlcat(buf, lists[n->norm->Bl.type], BUFSIZ);
969 PAIR_INIT(&tag[1], ATTR_CLASS, buf);
970
971 /* Set the block's left-hand margin. */
972
973 if (n->norm->Bl.offs) {
974 a2width(n->norm->Bl.offs, &su);
975 bufcat_su(h, "margin-left", &su);
976 }
977
978 switch (n->norm->Bl.type) {
979 case LIST_bullet:
980 /* FALLTHROUGH */
981 case LIST_dash:
982 /* FALLTHROUGH */
983 case LIST_hyphen:
984 /* FALLTHROUGH */
985 case LIST_item:
986 print_otag(h, TAG_UL, 2, tag);
987 break;
988 case LIST_enum:
989 print_otag(h, TAG_OL, 2, tag);
990 break;
991 case LIST_diag:
992 /* FALLTHROUGH */
993 case LIST_hang:
994 /* FALLTHROUGH */
995 case LIST_inset:
996 /* FALLTHROUGH */
997 case LIST_ohang:
998 /* FALLTHROUGH */
999 case LIST_tag:
1000 print_otag(h, TAG_DL, 2, tag);
1001 break;
1002 case LIST_column:
1003 print_otag(h, TAG_TABLE, 2, tag);
1004 break;
1005 default:
1006 abort();
1007 /* NOTREACHED */
1008 }
1009
1010 return(1);
1011 }
1012
1013 static int
1014 mdoc_ex_pre(MDOC_ARGS)
1015 {
1016 struct tag *t;
1017 struct htmlpair tag;
1018 int nchild;
1019
1020 if (n->prev)
1021 print_otag(h, TAG_BR, 0, NULL);
1022
1023 PAIR_CLASS_INIT(&tag, "utility");
1024
1025 print_text(h, "The");
1026
1027 nchild = n->nchild;
1028 for (n = n->child; n; n = n->next) {
1029 assert(n->type == ROFFT_TEXT);
1030
1031 t = print_otag(h, TAG_B, 1, &tag);
1032 print_text(h, n->string);
1033 print_tagq(h, t);
1034
1035 if (nchild > 2 && n->next) {
1036 h->flags |= HTML_NOSPACE;
1037 print_text(h, ",");
1038 }
1039
1040 if (n->next && NULL == n->next->next)
1041 print_text(h, "and");
1042 }
1043
1044 if (nchild > 1)
1045 print_text(h, "utilities exit\\~0");
1046 else
1047 print_text(h, "utility exits\\~0");
1048
1049 print_text(h, "on success, and\\~>0 if an error occurs.");
1050 return(0);
1051 }
1052
1053 static int
1054 mdoc_em_pre(MDOC_ARGS)
1055 {
1056 struct htmlpair tag;
1057
1058 PAIR_CLASS_INIT(&tag, "emph");
1059 print_otag(h, TAG_SPAN, 1, &tag);
1060 return(1);
1061 }
1062
1063 static int
1064 mdoc_d1_pre(MDOC_ARGS)
1065 {
1066 struct htmlpair tag[2];
1067 struct roffsu su;
1068
1069 if (n->type != ROFFT_BLOCK)
1070 return(1);
1071
1072 SCALE_VS_INIT(&su, 0);
1073 bufinit(h);
1074 bufcat_su(h, "margin-top", &su);
1075 bufcat_su(h, "margin-bottom", &su);
1076 PAIR_STYLE_INIT(&tag[0], h);
1077 print_otag(h, TAG_BLOCKQUOTE, 1, tag);
1078
1079 /* BLOCKQUOTE needs a block body. */
1080
1081 PAIR_CLASS_INIT(&tag[0], "display");
1082 print_otag(h, TAG_DIV, 1, tag);
1083
1084 if (MDOC_Dl == n->tok) {
1085 PAIR_CLASS_INIT(&tag[0], "lit");
1086 print_otag(h, TAG_CODE, 1, tag);
1087 }
1088
1089 return(1);
1090 }
1091
1092 static int
1093 mdoc_sx_pre(MDOC_ARGS)
1094 {
1095 struct htmlpair tag[2];
1096
1097 bufinit(h);
1098 bufcat(h, "#x");
1099
1100 for (n = n->child; n; ) {
1101 bufcat_id(h, n->string);
1102 if (NULL != (n = n->next))
1103 bufcat_id(h, " ");
1104 }
1105
1106 PAIR_CLASS_INIT(&tag[0], "link-sec");
1107 PAIR_HREF_INIT(&tag[1], h->buf);
1108
1109 print_otag(h, TAG_I, 1, tag);
1110 print_otag(h, TAG_A, 2, tag);
1111 return(1);
1112 }
1113
1114 static int
1115 mdoc_bd_pre(MDOC_ARGS)
1116 {
1117 struct htmlpair tag[2];
1118 int comp, sv;
1119 struct roff_node *nn;
1120 struct roffsu su;
1121
1122 if (n->type == ROFFT_HEAD)
1123 return(0);
1124
1125 if (n->type == ROFFT_BLOCK) {
1126 comp = n->norm->Bd.comp;
1127 for (nn = n; nn && ! comp; nn = nn->parent) {
1128 if (nn->type != ROFFT_BLOCK)
1129 continue;
1130 if (MDOC_Ss == nn->tok || MDOC_Sh == nn->tok)
1131 comp = 1;
1132 if (nn->prev)
1133 break;
1134 }
1135 if ( ! comp)
1136 print_paragraph(h);
1137 return(1);
1138 }
1139
1140 /* Handle the -offset argument. */
1141
1142 if (n->norm->Bd.offs == NULL ||
1143 ! strcmp(n->norm->Bd.offs, "left"))
1144 SCALE_HS_INIT(&su, 0);
1145 else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1146 SCALE_HS_INIT(&su, INDENT);
1147 else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1148 SCALE_HS_INIT(&su, INDENT * 2);
1149 else
1150 a2width(n->norm->Bd.offs, &su);
1151
1152 bufinit(h);
1153 bufcat_su(h, "margin-left", &su);
1154 PAIR_STYLE_INIT(&tag[0], h);
1155
1156 if (DISP_unfilled != n->norm->Bd.type &&
1157 DISP_literal != n->norm->Bd.type) {
1158 PAIR_CLASS_INIT(&tag[1], "display");
1159 print_otag(h, TAG_DIV, 2, tag);
1160 return(1);
1161 }
1162
1163 PAIR_CLASS_INIT(&tag[1], "lit display");
1164 print_otag(h, TAG_PRE, 2, tag);
1165
1166 /* This can be recursive: save & set our literal state. */
1167
1168 sv = h->flags & HTML_LITERAL;
1169 h->flags |= HTML_LITERAL;
1170
1171 for (nn = n->child; nn; nn = nn->next) {
1172 print_mdoc_node(meta, nn, h);
1173 /*
1174 * If the printed node flushes its own line, then we
1175 * needn't do it here as well. This is hacky, but the
1176 * notion of selective eoln whitespace is pretty dumb
1177 * anyway, so don't sweat it.
1178 */
1179 switch (nn->tok) {
1180 case MDOC_Sm:
1181 /* FALLTHROUGH */
1182 case MDOC_br:
1183 /* FALLTHROUGH */
1184 case MDOC_sp:
1185 /* FALLTHROUGH */
1186 case MDOC_Bl:
1187 /* FALLTHROUGH */
1188 case MDOC_D1:
1189 /* FALLTHROUGH */
1190 case MDOC_Dl:
1191 /* FALLTHROUGH */
1192 case MDOC_Lp:
1193 /* FALLTHROUGH */
1194 case MDOC_Pp:
1195 continue;
1196 default:
1197 break;
1198 }
1199 if (h->flags & HTML_NONEWLINE ||
1200 (nn->next && ! (nn->next->flags & MDOC_LINE)))
1201 continue;
1202 else if (nn->next)
1203 print_text(h, "\n");
1204
1205 h->flags |= HTML_NOSPACE;
1206 }
1207
1208 if (0 == sv)
1209 h->flags &= ~HTML_LITERAL;
1210
1211 return(0);
1212 }
1213
1214 static int
1215 mdoc_pa_pre(MDOC_ARGS)
1216 {
1217 struct htmlpair tag;
1218
1219 PAIR_CLASS_INIT(&tag, "file");
1220 print_otag(h, TAG_I, 1, &tag);
1221 return(1);
1222 }
1223
1224 static int
1225 mdoc_ad_pre(MDOC_ARGS)
1226 {
1227 struct htmlpair tag;
1228
1229 PAIR_CLASS_INIT(&tag, "addr");
1230 print_otag(h, TAG_I, 1, &tag);
1231 return(1);
1232 }
1233
1234 static int
1235 mdoc_an_pre(MDOC_ARGS)
1236 {
1237 struct htmlpair tag;
1238
1239 if (n->norm->An.auth == AUTH_split) {
1240 h->flags &= ~HTML_NOSPLIT;
1241 h->flags |= HTML_SPLIT;
1242 return(0);
1243 }
1244 if (n->norm->An.auth == AUTH_nosplit) {
1245 h->flags &= ~HTML_SPLIT;
1246 h->flags |= HTML_NOSPLIT;
1247 return(0);
1248 }
1249
1250 if (h->flags & HTML_SPLIT)
1251 print_otag(h, TAG_BR, 0, NULL);
1252
1253 if (n->sec == SEC_AUTHORS && ! (h->flags & HTML_NOSPLIT))
1254 h->flags |= HTML_SPLIT;
1255
1256 PAIR_CLASS_INIT(&tag, "author");
1257 print_otag(h, TAG_SPAN, 1, &tag);
1258 return(1);
1259 }
1260
1261 static int
1262 mdoc_cd_pre(MDOC_ARGS)
1263 {
1264 struct htmlpair tag;
1265
1266 synopsis_pre(h, n);
1267 PAIR_CLASS_INIT(&tag, "config");
1268 print_otag(h, TAG_B, 1, &tag);
1269 return(1);
1270 }
1271
1272 static int
1273 mdoc_dv_pre(MDOC_ARGS)
1274 {
1275 struct htmlpair tag;
1276
1277 PAIR_CLASS_INIT(&tag, "define");
1278 print_otag(h, TAG_SPAN, 1, &tag);
1279 return(1);
1280 }
1281
1282 static int
1283 mdoc_ev_pre(MDOC_ARGS)
1284 {
1285 struct htmlpair tag;
1286
1287 PAIR_CLASS_INIT(&tag, "env");
1288 print_otag(h, TAG_SPAN, 1, &tag);
1289 return(1);
1290 }
1291
1292 static int
1293 mdoc_er_pre(MDOC_ARGS)
1294 {
1295 struct htmlpair tag;
1296
1297 PAIR_CLASS_INIT(&tag, "errno");
1298 print_otag(h, TAG_SPAN, 1, &tag);
1299 return(1);
1300 }
1301
1302 static int
1303 mdoc_fa_pre(MDOC_ARGS)
1304 {
1305 const struct roff_node *nn;
1306 struct htmlpair tag;
1307 struct tag *t;
1308
1309 PAIR_CLASS_INIT(&tag, "farg");
1310 if (n->parent->tok != MDOC_Fo) {
1311 print_otag(h, TAG_I, 1, &tag);
1312 return(1);
1313 }
1314
1315 for (nn = n->child; nn; nn = nn->next) {
1316 t = print_otag(h, TAG_I, 1, &tag);
1317 print_text(h, nn->string);
1318 print_tagq(h, t);
1319 if (nn->next) {
1320 h->flags |= HTML_NOSPACE;
1321 print_text(h, ",");
1322 }
1323 }
1324
1325 if (n->child && n->next && n->next->tok == MDOC_Fa) {
1326 h->flags |= HTML_NOSPACE;
1327 print_text(h, ",");
1328 }
1329
1330 return(0);
1331 }
1332
1333 static int
1334 mdoc_fd_pre(MDOC_ARGS)
1335 {
1336 struct htmlpair tag[2];
1337 char buf[BUFSIZ];
1338 size_t sz;
1339 int i;
1340 struct tag *t;
1341
1342 synopsis_pre(h, n);
1343
1344 if (NULL == (n = n->child))
1345 return(0);
1346
1347 assert(n->type == ROFFT_TEXT);
1348
1349 if (strcmp(n->string, "#include")) {
1350 PAIR_CLASS_INIT(&tag[0], "macro");
1351 print_otag(h, TAG_B, 1, tag);
1352 return(1);
1353 }
1354
1355 PAIR_CLASS_INIT(&tag[0], "includes");
1356 print_otag(h, TAG_B, 1, tag);
1357 print_text(h, n->string);
1358
1359 if (NULL != (n = n->next)) {
1360 assert(n->type == ROFFT_TEXT);
1361
1362 /*
1363 * XXX This is broken and not easy to fix.
1364 * When using -Oincludes, truncation may occur.
1365 * Dynamic allocation wouldn't help because
1366 * passing long strings to buffmt_includes()
1367 * does not work either.
1368 */
1369
1370 strlcpy(buf, '<' == *n->string || '"' == *n->string ?
1371 n->string + 1 : n->string, BUFSIZ);
1372
1373 sz = strlen(buf);
1374 if (sz && ('>' == buf[sz - 1] || '"' == buf[sz - 1]))
1375 buf[sz - 1] = '\0';
1376
1377 PAIR_CLASS_INIT(&tag[0], "link-includes");
1378
1379 i = 1;
1380 if (h->base_includes) {
1381 buffmt_includes(h, buf);
1382 PAIR_HREF_INIT(&tag[i], h->buf);
1383 i++;
1384 }
1385
1386 t = print_otag(h, TAG_A, i, tag);
1387 print_text(h, n->string);
1388 print_tagq(h, t);
1389
1390 n = n->next;
1391 }
1392
1393 for ( ; n; n = n->next) {
1394 assert(n->type == ROFFT_TEXT);
1395 print_text(h, n->string);
1396 }
1397
1398 return(0);
1399 }
1400
1401 static int
1402 mdoc_vt_pre(MDOC_ARGS)
1403 {
1404 struct htmlpair tag;
1405
1406 if (n->type == ROFFT_BLOCK) {
1407 synopsis_pre(h, n);
1408 return(1);
1409 } else if (n->type == ROFFT_ELEM) {
1410 synopsis_pre(h, n);
1411 } else if (n->type == ROFFT_HEAD)
1412 return(0);
1413
1414 PAIR_CLASS_INIT(&tag, "type");
1415 print_otag(h, TAG_SPAN, 1, &tag);
1416 return(1);
1417 }
1418
1419 static int
1420 mdoc_ft_pre(MDOC_ARGS)
1421 {
1422 struct htmlpair tag;
1423
1424 synopsis_pre(h, n);
1425 PAIR_CLASS_INIT(&tag, "ftype");
1426 print_otag(h, TAG_I, 1, &tag);
1427 return(1);
1428 }
1429
1430 static int
1431 mdoc_fn_pre(MDOC_ARGS)
1432 {
1433 struct tag *t;
1434 struct htmlpair tag[2];
1435 char nbuf[BUFSIZ];
1436 const char *sp, *ep;
1437 int sz, i, pretty;
1438
1439 pretty = MDOC_SYNPRETTY & n->flags;
1440 synopsis_pre(h, n);
1441
1442 /* Split apart into type and name. */
1443 assert(n->child->string);
1444 sp = n->child->string;
1445
1446 ep = strchr(sp, ' ');
1447 if (NULL != ep) {
1448 PAIR_CLASS_INIT(&tag[0], "ftype");
1449 t = print_otag(h, TAG_I, 1, tag);
1450
1451 while (ep) {
1452 sz = MIN((int)(ep - sp), BUFSIZ - 1);
1453 (void)memcpy(nbuf, sp, (size_t)sz);
1454 nbuf[sz] = '\0';
1455 print_text(h, nbuf);
1456 sp = ++ep;
1457 ep = strchr(sp, ' ');
1458 }
1459 print_tagq(h, t);
1460 }
1461
1462 PAIR_CLASS_INIT(&tag[0], "fname");
1463
1464 /*
1465 * FIXME: only refer to IDs that we know exist.
1466 */
1467
1468 #if 0
1469 if (MDOC_SYNPRETTY & n->flags) {
1470 nbuf[0] = '\0';
1471 html_idcat(nbuf, sp, BUFSIZ);
1472 PAIR_ID_INIT(&tag[1], nbuf);
1473 } else {
1474 strlcpy(nbuf, "#", BUFSIZ);
1475 html_idcat(nbuf, sp, BUFSIZ);
1476 PAIR_HREF_INIT(&tag[1], nbuf);
1477 }
1478 #endif
1479
1480 t = print_otag(h, TAG_B, 1, tag);
1481
1482 if (sp)
1483 print_text(h, sp);
1484
1485 print_tagq(h, t);
1486
1487 h->flags |= HTML_NOSPACE;
1488 print_text(h, "(");
1489 h->flags |= HTML_NOSPACE;
1490
1491 PAIR_CLASS_INIT(&tag[0], "farg");
1492 bufinit(h);
1493 bufcat_style(h, "white-space", "nowrap");
1494 PAIR_STYLE_INIT(&tag[1], h);
1495
1496 for (n = n->child->next; n; n = n->next) {
1497 i = 1;
1498 if (MDOC_SYNPRETTY & n->flags)
1499 i = 2;
1500 t = print_otag(h, TAG_I, i, tag);
1501 print_text(h, n->string);
1502 print_tagq(h, t);
1503 if (n->next) {
1504 h->flags |= HTML_NOSPACE;
1505 print_text(h, ",");
1506 }
1507 }
1508
1509 h->flags |= HTML_NOSPACE;
1510 print_text(h, ")");
1511
1512 if (pretty) {
1513 h->flags |= HTML_NOSPACE;
1514 print_text(h, ";");
1515 }
1516
1517 return(0);
1518 }
1519
1520 static int
1521 mdoc_sm_pre(MDOC_ARGS)
1522 {
1523
1524 if (NULL == n->child)
1525 h->flags ^= HTML_NONOSPACE;
1526 else if (0 == strcmp("on", n->child->string))
1527 h->flags &= ~HTML_NONOSPACE;
1528 else
1529 h->flags |= HTML_NONOSPACE;
1530
1531 if ( ! (HTML_NONOSPACE & h->flags))
1532 h->flags &= ~HTML_NOSPACE;
1533
1534 return(0);
1535 }
1536
1537 static int
1538 mdoc_skip_pre(MDOC_ARGS)
1539 {
1540
1541 return(0);
1542 }
1543
1544 static int
1545 mdoc_pp_pre(MDOC_ARGS)
1546 {
1547
1548 print_paragraph(h);
1549 return(0);
1550 }
1551
1552 static int
1553 mdoc_sp_pre(MDOC_ARGS)
1554 {
1555 struct roffsu su;
1556 struct htmlpair tag;
1557
1558 SCALE_VS_INIT(&su, 1);
1559
1560 if (MDOC_sp == n->tok) {
1561 if (NULL != (n = n->child)) {
1562 if ( ! a2roffsu(n->string, &su, SCALE_VS))
1563 su.scale = 1.0;
1564 else if (su.scale < 0.0)
1565 su.scale = 0.0;
1566 }
1567 } else
1568 su.scale = 0.0;
1569
1570 bufinit(h);
1571 bufcat_su(h, "height", &su);
1572 PAIR_STYLE_INIT(&tag, h);
1573 print_otag(h, TAG_DIV, 1, &tag);
1574
1575 /* So the div isn't empty: */
1576 print_text(h, "\\~");
1577
1578 return(0);
1579
1580 }
1581
1582 static int
1583 mdoc_lk_pre(MDOC_ARGS)
1584 {
1585 struct htmlpair tag[2];
1586
1587 if (NULL == (n = n->child))
1588 return(0);
1589
1590 assert(n->type == ROFFT_TEXT);
1591
1592 PAIR_CLASS_INIT(&tag[0], "link-ext");
1593 PAIR_HREF_INIT(&tag[1], n->string);
1594
1595 print_otag(h, TAG_A, 2, tag);
1596
1597 if (NULL == n->next)
1598 print_text(h, n->string);
1599
1600 for (n = n->next; n; n = n->next)
1601 print_text(h, n->string);
1602
1603 return(0);
1604 }
1605
1606 static int
1607 mdoc_mt_pre(MDOC_ARGS)
1608 {
1609 struct htmlpair tag[2];
1610 struct tag *t;
1611
1612 PAIR_CLASS_INIT(&tag[0], "link-mail");
1613
1614 for (n = n->child; n; n = n->next) {
1615 assert(n->type == ROFFT_TEXT);
1616
1617 bufinit(h);
1618 bufcat(h, "mailto:");
1619 bufcat(h, n->string);
1620
1621 PAIR_HREF_INIT(&tag[1], h->buf);
1622 t = print_otag(h, TAG_A, 2, tag);
1623 print_text(h, n->string);
1624 print_tagq(h, t);
1625 }
1626
1627 return(0);
1628 }
1629
1630 static int
1631 mdoc_fo_pre(MDOC_ARGS)
1632 {
1633 struct htmlpair tag;
1634 struct tag *t;
1635
1636 if (n->type == ROFFT_BODY) {
1637 h->flags |= HTML_NOSPACE;
1638 print_text(h, "(");
1639 h->flags |= HTML_NOSPACE;
1640 return(1);
1641 } else if (n->type == ROFFT_BLOCK) {
1642 synopsis_pre(h, n);
1643 return(1);
1644 }
1645
1646 if (n->child == NULL)
1647 return(0);
1648
1649 assert(n->child->string);
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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