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Second step towards parser unification:
[mandoc.git] / mdoc_html.c
1 /* $Id: mdoc_html.c,v 1.228 2015/04/02 22:48:17 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 mdoc_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(MDOC_ARGS);
52 static void print_mdoc_head(MDOC_ARGS);
53 static void print_mdoc_node(MDOC_ARGS);
54 static void print_mdoc_nodelist(MDOC_ARGS);
55 static void synopsis_pre(struct html *,
56 const struct roff_node *);
57
58 static void a2width(const char *, struct roffsu *);
59
60 static void mdoc_root_post(MDOC_ARGS);
61 static int mdoc_root_pre(MDOC_ARGS);
62
63 static void mdoc__x_post(MDOC_ARGS);
64 static int mdoc__x_pre(MDOC_ARGS);
65 static int mdoc_ad_pre(MDOC_ARGS);
66 static int mdoc_an_pre(MDOC_ARGS);
67 static int mdoc_ap_pre(MDOC_ARGS);
68 static int mdoc_ar_pre(MDOC_ARGS);
69 static int mdoc_bd_pre(MDOC_ARGS);
70 static int mdoc_bf_pre(MDOC_ARGS);
71 static void mdoc_bk_post(MDOC_ARGS);
72 static int mdoc_bk_pre(MDOC_ARGS);
73 static int mdoc_bl_pre(MDOC_ARGS);
74 static int mdoc_bt_pre(MDOC_ARGS);
75 static int mdoc_bx_pre(MDOC_ARGS);
76 static int mdoc_cd_pre(MDOC_ARGS);
77 static int mdoc_d1_pre(MDOC_ARGS);
78 static int mdoc_dv_pre(MDOC_ARGS);
79 static int mdoc_fa_pre(MDOC_ARGS);
80 static int mdoc_fd_pre(MDOC_ARGS);
81 static int mdoc_fl_pre(MDOC_ARGS);
82 static int mdoc_fn_pre(MDOC_ARGS);
83 static int mdoc_ft_pre(MDOC_ARGS);
84 static int mdoc_em_pre(MDOC_ARGS);
85 static void mdoc_eo_post(MDOC_ARGS);
86 static int mdoc_eo_pre(MDOC_ARGS);
87 static int mdoc_er_pre(MDOC_ARGS);
88 static int mdoc_ev_pre(MDOC_ARGS);
89 static int mdoc_ex_pre(MDOC_ARGS);
90 static void mdoc_fo_post(MDOC_ARGS);
91 static int mdoc_fo_pre(MDOC_ARGS);
92 static int mdoc_ic_pre(MDOC_ARGS);
93 static int mdoc_igndelim_pre(MDOC_ARGS);
94 static int mdoc_in_pre(MDOC_ARGS);
95 static int mdoc_it_pre(MDOC_ARGS);
96 static int mdoc_lb_pre(MDOC_ARGS);
97 static int mdoc_li_pre(MDOC_ARGS);
98 static int mdoc_lk_pre(MDOC_ARGS);
99 static int mdoc_mt_pre(MDOC_ARGS);
100 static int mdoc_ms_pre(MDOC_ARGS);
101 static int mdoc_nd_pre(MDOC_ARGS);
102 static int mdoc_nm_pre(MDOC_ARGS);
103 static int mdoc_no_pre(MDOC_ARGS);
104 static int mdoc_ns_pre(MDOC_ARGS);
105 static int mdoc_pa_pre(MDOC_ARGS);
106 static void mdoc_pf_post(MDOC_ARGS);
107 static int mdoc_pp_pre(MDOC_ARGS);
108 static void mdoc_quote_post(MDOC_ARGS);
109 static int mdoc_quote_pre(MDOC_ARGS);
110 static int mdoc_rs_pre(MDOC_ARGS);
111 static int mdoc_rv_pre(MDOC_ARGS);
112 static int mdoc_sh_pre(MDOC_ARGS);
113 static int mdoc_skip_pre(MDOC_ARGS);
114 static int mdoc_sm_pre(MDOC_ARGS);
115 static int mdoc_sp_pre(MDOC_ARGS);
116 static int mdoc_ss_pre(MDOC_ARGS);
117 static int mdoc_sx_pre(MDOC_ARGS);
118 static int mdoc_sy_pre(MDOC_ARGS);
119 static int mdoc_ud_pre(MDOC_ARGS);
120 static int mdoc_va_pre(MDOC_ARGS);
121 static int mdoc_vt_pre(MDOC_ARGS);
122 static int mdoc_xr_pre(MDOC_ARGS);
123 static int mdoc_xx_pre(MDOC_ARGS);
124
125 static const struct htmlmdoc mdocs[MDOC_MAX] = {
126 {mdoc_ap_pre, NULL}, /* Ap */
127 {NULL, NULL}, /* Dd */
128 {NULL, NULL}, /* Dt */
129 {NULL, NULL}, /* Os */
130 {mdoc_sh_pre, NULL }, /* Sh */
131 {mdoc_ss_pre, NULL }, /* Ss */
132 {mdoc_pp_pre, NULL}, /* Pp */
133 {mdoc_d1_pre, NULL}, /* D1 */
134 {mdoc_d1_pre, NULL}, /* Dl */
135 {mdoc_bd_pre, NULL}, /* Bd */
136 {NULL, NULL}, /* Ed */
137 {mdoc_bl_pre, NULL}, /* Bl */
138 {NULL, NULL}, /* El */
139 {mdoc_it_pre, NULL}, /* It */
140 {mdoc_ad_pre, NULL}, /* Ad */
141 {mdoc_an_pre, NULL}, /* An */
142 {mdoc_ar_pre, NULL}, /* Ar */
143 {mdoc_cd_pre, NULL}, /* Cd */
144 {mdoc_fl_pre, NULL}, /* Cm */
145 {mdoc_dv_pre, NULL}, /* Dv */
146 {mdoc_er_pre, NULL}, /* Er */
147 {mdoc_ev_pre, NULL}, /* Ev */
148 {mdoc_ex_pre, NULL}, /* Ex */
149 {mdoc_fa_pre, NULL}, /* Fa */
150 {mdoc_fd_pre, NULL}, /* Fd */
151 {mdoc_fl_pre, NULL}, /* Fl */
152 {mdoc_fn_pre, NULL}, /* Fn */
153 {mdoc_ft_pre, NULL}, /* Ft */
154 {mdoc_ic_pre, NULL}, /* Ic */
155 {mdoc_in_pre, NULL}, /* In */
156 {mdoc_li_pre, NULL}, /* Li */
157 {mdoc_nd_pre, NULL}, /* Nd */
158 {mdoc_nm_pre, NULL}, /* Nm */
159 {mdoc_quote_pre, mdoc_quote_post}, /* Op */
160 {mdoc_ft_pre, NULL}, /* Ot */
161 {mdoc_pa_pre, NULL}, /* Pa */
162 {mdoc_rv_pre, NULL}, /* Rv */
163 {NULL, NULL}, /* St */
164 {mdoc_va_pre, NULL}, /* Va */
165 {mdoc_vt_pre, NULL}, /* Vt */
166 {mdoc_xr_pre, NULL}, /* Xr */
167 {mdoc__x_pre, mdoc__x_post}, /* %A */
168 {mdoc__x_pre, mdoc__x_post}, /* %B */
169 {mdoc__x_pre, mdoc__x_post}, /* %D */
170 {mdoc__x_pre, mdoc__x_post}, /* %I */
171 {mdoc__x_pre, mdoc__x_post}, /* %J */
172 {mdoc__x_pre, mdoc__x_post}, /* %N */
173 {mdoc__x_pre, mdoc__x_post}, /* %O */
174 {mdoc__x_pre, mdoc__x_post}, /* %P */
175 {mdoc__x_pre, mdoc__x_post}, /* %R */
176 {mdoc__x_pre, mdoc__x_post}, /* %T */
177 {mdoc__x_pre, mdoc__x_post}, /* %V */
178 {NULL, NULL}, /* Ac */
179 {mdoc_quote_pre, mdoc_quote_post}, /* Ao */
180 {mdoc_quote_pre, mdoc_quote_post}, /* Aq */
181 {NULL, NULL}, /* At */
182 {NULL, NULL}, /* Bc */
183 {mdoc_bf_pre, NULL}, /* Bf */
184 {mdoc_quote_pre, mdoc_quote_post}, /* Bo */
185 {mdoc_quote_pre, mdoc_quote_post}, /* Bq */
186 {mdoc_xx_pre, NULL}, /* Bsx */
187 {mdoc_bx_pre, NULL}, /* Bx */
188 {mdoc_skip_pre, NULL}, /* Db */
189 {NULL, NULL}, /* Dc */
190 {mdoc_quote_pre, mdoc_quote_post}, /* Do */
191 {mdoc_quote_pre, mdoc_quote_post}, /* Dq */
192 {NULL, NULL}, /* Ec */ /* FIXME: no space */
193 {NULL, NULL}, /* Ef */
194 {mdoc_em_pre, NULL}, /* Em */
195 {mdoc_eo_pre, mdoc_eo_post}, /* Eo */
196 {mdoc_xx_pre, NULL}, /* Fx */
197 {mdoc_ms_pre, NULL}, /* Ms */
198 {mdoc_no_pre, NULL}, /* No */
199 {mdoc_ns_pre, NULL}, /* Ns */
200 {mdoc_xx_pre, NULL}, /* Nx */
201 {mdoc_xx_pre, NULL}, /* Ox */
202 {NULL, NULL}, /* Pc */
203 {mdoc_igndelim_pre, mdoc_pf_post}, /* Pf */
204 {mdoc_quote_pre, mdoc_quote_post}, /* Po */
205 {mdoc_quote_pre, mdoc_quote_post}, /* Pq */
206 {NULL, NULL}, /* Qc */
207 {mdoc_quote_pre, mdoc_quote_post}, /* Ql */
208 {mdoc_quote_pre, mdoc_quote_post}, /* Qo */
209 {mdoc_quote_pre, mdoc_quote_post}, /* Qq */
210 {NULL, NULL}, /* Re */
211 {mdoc_rs_pre, NULL}, /* Rs */
212 {NULL, NULL}, /* Sc */
213 {mdoc_quote_pre, mdoc_quote_post}, /* So */
214 {mdoc_quote_pre, mdoc_quote_post}, /* Sq */
215 {mdoc_sm_pre, NULL}, /* Sm */
216 {mdoc_sx_pre, NULL}, /* Sx */
217 {mdoc_sy_pre, NULL}, /* Sy */
218 {NULL, NULL}, /* Tn */
219 {mdoc_xx_pre, NULL}, /* Ux */
220 {NULL, NULL}, /* Xc */
221 {NULL, NULL}, /* Xo */
222 {mdoc_fo_pre, mdoc_fo_post}, /* Fo */
223 {NULL, NULL}, /* Fc */
224 {mdoc_quote_pre, mdoc_quote_post}, /* Oo */
225 {NULL, NULL}, /* Oc */
226 {mdoc_bk_pre, mdoc_bk_post}, /* Bk */
227 {NULL, NULL}, /* Ek */
228 {mdoc_bt_pre, NULL}, /* Bt */
229 {NULL, NULL}, /* Hf */
230 {mdoc_em_pre, NULL}, /* Fr */
231 {mdoc_ud_pre, NULL}, /* Ud */
232 {mdoc_lb_pre, NULL}, /* Lb */
233 {mdoc_pp_pre, NULL}, /* Lp */
234 {mdoc_lk_pre, NULL}, /* Lk */
235 {mdoc_mt_pre, NULL}, /* Mt */
236 {mdoc_quote_pre, mdoc_quote_post}, /* Brq */
237 {mdoc_quote_pre, mdoc_quote_post}, /* Bro */
238 {NULL, NULL}, /* Brc */
239 {mdoc__x_pre, mdoc__x_post}, /* %C */
240 {mdoc_skip_pre, NULL}, /* Es */
241 {mdoc_quote_pre, mdoc_quote_post}, /* En */
242 {mdoc_xx_pre, NULL}, /* Dx */
243 {mdoc__x_pre, mdoc__x_post}, /* %Q */
244 {mdoc_sp_pre, NULL}, /* br */
245 {mdoc_sp_pre, NULL}, /* sp */
246 {mdoc__x_pre, mdoc__x_post}, /* %U */
247 {NULL, NULL}, /* Ta */
248 {mdoc_skip_pre, NULL}, /* ll */
249 };
250
251 static const char * const lists[LIST_MAX] = {
252 NULL,
253 "list-bul",
254 "list-col",
255 "list-dash",
256 "list-diag",
257 "list-enum",
258 "list-hang",
259 "list-hyph",
260 "list-inset",
261 "list-item",
262 "list-ohang",
263 "list-tag"
264 };
265
266
267 void
268 html_mdoc(void *arg, const struct mdoc *mdoc)
269 {
270
271 print_mdoc(mdoc_meta(mdoc), mdoc_node(mdoc)->child,
272 (struct html *)arg);
273 putchar('\n');
274 }
275
276 /*
277 * Calculate the scaling unit passed in a `-width' argument. This uses
278 * either a native scaling unit (e.g., 1i, 2m) or the string length of
279 * the value.
280 */
281 static void
282 a2width(const char *p, struct roffsu *su)
283 {
284
285 if (a2roffsu(p, su, SCALE_MAX) < 2) {
286 su->unit = SCALE_EN;
287 su->scale = html_strlen(p);
288 } else if (su->scale < 0.0)
289 su->scale = 0.0;
290 }
291
292 /*
293 * See the same function in mdoc_term.c for documentation.
294 */
295 static void
296 synopsis_pre(struct html *h, const struct roff_node *n)
297 {
298
299 if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
300 return;
301
302 if (n->prev->tok == n->tok &&
303 MDOC_Fo != n->tok &&
304 MDOC_Ft != n->tok &&
305 MDOC_Fn != n->tok) {
306 print_otag(h, TAG_BR, 0, NULL);
307 return;
308 }
309
310 switch (n->prev->tok) {
311 case MDOC_Fd:
312 /* FALLTHROUGH */
313 case MDOC_Fn:
314 /* FALLTHROUGH */
315 case MDOC_Fo:
316 /* FALLTHROUGH */
317 case MDOC_In:
318 /* FALLTHROUGH */
319 case MDOC_Vt:
320 print_paragraph(h);
321 break;
322 case MDOC_Ft:
323 if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
324 print_paragraph(h);
325 break;
326 }
327 /* FALLTHROUGH */
328 default:
329 print_otag(h, TAG_BR, 0, NULL);
330 break;
331 }
332 }
333
334 static void
335 print_mdoc(MDOC_ARGS)
336 {
337 struct tag *t, *tt;
338 struct htmlpair tag;
339
340 PAIR_CLASS_INIT(&tag, "mandoc");
341
342 if ( ! (HTML_FRAGMENT & h->oflags)) {
343 print_gen_decls(h);
344 t = print_otag(h, TAG_HTML, 0, NULL);
345 tt = print_otag(h, TAG_HEAD, 0, NULL);
346 print_mdoc_head(meta, n, h);
347 print_tagq(h, tt);
348 print_otag(h, TAG_BODY, 0, NULL);
349 print_otag(h, TAG_DIV, 1, &tag);
350 } else
351 t = print_otag(h, TAG_DIV, 1, &tag);
352
353 print_mdoc_nodelist(meta, n, h);
354 print_tagq(h, t);
355 }
356
357 static void
358 print_mdoc_head(MDOC_ARGS)
359 {
360
361 print_gen_head(h);
362 bufinit(h);
363 bufcat(h, meta->title);
364 if (meta->msec)
365 bufcat_fmt(h, "(%s)", meta->msec);
366 if (meta->arch)
367 bufcat_fmt(h, " (%s)", meta->arch);
368
369 print_otag(h, TAG_TITLE, 0, NULL);
370 print_text(h, h->buf);
371 }
372
373 static void
374 print_mdoc_nodelist(MDOC_ARGS)
375 {
376
377 while (n != NULL) {
378 print_mdoc_node(meta, n, h);
379 n = n->next;
380 }
381 }
382
383 static void
384 print_mdoc_node(MDOC_ARGS)
385 {
386 int child;
387 struct tag *t;
388
389 child = 1;
390 t = h->tags.head;
391 n->flags &= ~MDOC_ENDED;
392
393 switch (n->type) {
394 case ROFFT_ROOT:
395 child = mdoc_root_pre(meta, n, h);
396 break;
397 case ROFFT_TEXT:
398 /* No tables in this mode... */
399 assert(NULL == h->tblt);
400
401 /*
402 * Make sure that if we're in a literal mode already
403 * (i.e., within a <PRE>) don't print the newline.
404 */
405 if (' ' == *n->string && MDOC_LINE & n->flags)
406 if ( ! (HTML_LITERAL & h->flags))
407 print_otag(h, TAG_BR, 0, NULL);
408 if (MDOC_DELIMC & n->flags)
409 h->flags |= HTML_NOSPACE;
410 print_text(h, n->string);
411 if (MDOC_DELIMO & n->flags)
412 h->flags |= HTML_NOSPACE;
413 return;
414 case ROFFT_EQN:
415 if (n->flags & MDOC_LINE)
416 putchar('\n');
417 print_eqn(h, n->eqn);
418 break;
419 case ROFFT_TBL:
420 /*
421 * This will take care of initialising all of the table
422 * state data for the first table, then tearing it down
423 * for the last one.
424 */
425 print_tbl(h, n->span);
426 return;
427 default:
428 /*
429 * Close out the current table, if it's open, and unset
430 * the "meta" table state. This will be reopened on the
431 * next table element.
432 */
433 if (h->tblt != NULL) {
434 print_tblclose(h);
435 t = h->tags.head;
436 }
437 assert(h->tblt == NULL);
438 if (mdocs[n->tok].pre && (n->end == ENDBODY_NOT || n->child))
439 child = (*mdocs[n->tok].pre)(meta, n, h);
440 break;
441 }
442
443 if (h->flags & HTML_KEEP && n->flags & MDOC_LINE) {
444 h->flags &= ~HTML_KEEP;
445 h->flags |= HTML_PREKEEP;
446 }
447
448 if (child && n->child)
449 print_mdoc_nodelist(meta, n->child, h);
450
451 print_stagq(h, t);
452
453 switch (n->type) {
454 case ROFFT_ROOT:
455 mdoc_root_post(meta, n, h);
456 break;
457 case ROFFT_EQN:
458 break;
459 default:
460 if ( ! mdocs[n->tok].post || n->flags & MDOC_ENDED)
461 break;
462 (*mdocs[n->tok].post)(meta, n, h);
463 if (n->end != ENDBODY_NOT)
464 n->body->flags |= MDOC_ENDED;
465 if (n->end == ENDBODY_NOSPACE)
466 h->flags |= HTML_NOSPACE;
467 break;
468 }
469 }
470
471 static void
472 mdoc_root_post(MDOC_ARGS)
473 {
474 struct htmlpair tag;
475 struct tag *t, *tt;
476
477 PAIR_CLASS_INIT(&tag, "foot");
478 t = print_otag(h, TAG_TABLE, 1, &tag);
479
480 print_otag(h, TAG_TBODY, 0, NULL);
481
482 tt = print_otag(h, TAG_TR, 0, NULL);
483
484 PAIR_CLASS_INIT(&tag, "foot-date");
485 print_otag(h, TAG_TD, 1, &tag);
486 print_text(h, meta->date);
487 print_stagq(h, tt);
488
489 PAIR_CLASS_INIT(&tag, "foot-os");
490 print_otag(h, TAG_TD, 1, &tag);
491 print_text(h, meta->os);
492 print_tagq(h, t);
493 }
494
495 static int
496 mdoc_root_pre(MDOC_ARGS)
497 {
498 struct htmlpair tag;
499 struct tag *t, *tt;
500 char *volume, *title;
501
502 if (NULL == meta->arch)
503 volume = mandoc_strdup(meta->vol);
504 else
505 mandoc_asprintf(&volume, "%s (%s)",
506 meta->vol, meta->arch);
507
508 if (NULL == meta->msec)
509 title = mandoc_strdup(meta->title);
510 else
511 mandoc_asprintf(&title, "%s(%s)",
512 meta->title, meta->msec);
513
514 PAIR_CLASS_INIT(&tag, "head");
515 t = print_otag(h, TAG_TABLE, 1, &tag);
516
517 print_otag(h, TAG_TBODY, 0, NULL);
518
519 tt = print_otag(h, TAG_TR, 0, NULL);
520
521 PAIR_CLASS_INIT(&tag, "head-ltitle");
522 print_otag(h, TAG_TD, 1, &tag);
523 print_text(h, title);
524 print_stagq(h, tt);
525
526 PAIR_CLASS_INIT(&tag, "head-vol");
527 print_otag(h, TAG_TD, 1, &tag);
528 print_text(h, volume);
529 print_stagq(h, tt);
530
531 PAIR_CLASS_INIT(&tag, "head-rtitle");
532 print_otag(h, TAG_TD, 1, &tag);
533 print_text(h, title);
534 print_tagq(h, t);
535
536 free(title);
537 free(volume);
538 return(1);
539 }
540
541 static int
542 mdoc_sh_pre(MDOC_ARGS)
543 {
544 struct htmlpair tag;
545
546 switch (n->type) {
547 case ROFFT_BLOCK:
548 PAIR_CLASS_INIT(&tag, "section");
549 print_otag(h, TAG_DIV, 1, &tag);
550 return(1);
551 case ROFFT_BODY:
552 if (n->sec == SEC_AUTHORS)
553 h->flags &= ~(HTML_SPLIT|HTML_NOSPLIT);
554 return(1);
555 default:
556 break;
557 }
558
559 bufinit(h);
560 bufcat(h, "x");
561
562 for (n = n->child; n != NULL && n->type == ROFFT_TEXT; ) {
563 bufcat_id(h, n->string);
564 if (NULL != (n = n->next))
565 bufcat_id(h, " ");
566 }
567
568 if (NULL == n) {
569 PAIR_ID_INIT(&tag, h->buf);
570 print_otag(h, TAG_H1, 1, &tag);
571 } else
572 print_otag(h, TAG_H1, 0, NULL);
573
574 return(1);
575 }
576
577 static int
578 mdoc_ss_pre(MDOC_ARGS)
579 {
580 struct htmlpair tag;
581
582 if (n->type == ROFFT_BLOCK) {
583 PAIR_CLASS_INIT(&tag, "subsection");
584 print_otag(h, TAG_DIV, 1, &tag);
585 return(1);
586 } else if (n->type == ROFFT_BODY)
587 return(1);
588
589 bufinit(h);
590 bufcat(h, "x");
591
592 for (n = n->child; n != NULL && n->type == ROFFT_TEXT; ) {
593 bufcat_id(h, n->string);
594 if (NULL != (n = n->next))
595 bufcat_id(h, " ");
596 }
597
598 if (NULL == n) {
599 PAIR_ID_INIT(&tag, h->buf);
600 print_otag(h, TAG_H2, 1, &tag);
601 } else
602 print_otag(h, TAG_H2, 0, NULL);
603
604 return(1);
605 }
606
607 static int
608 mdoc_fl_pre(MDOC_ARGS)
609 {
610 struct htmlpair tag;
611
612 PAIR_CLASS_INIT(&tag, "flag");
613 print_otag(h, TAG_B, 1, &tag);
614
615 /* `Cm' has no leading hyphen. */
616
617 if (MDOC_Cm == n->tok)
618 return(1);
619
620 print_text(h, "\\-");
621
622 if ( ! (n->nchild == 0 &&
623 (n->next == NULL ||
624 n->next->type == ROFFT_TEXT ||
625 n->next->flags & MDOC_LINE)))
626 h->flags |= HTML_NOSPACE;
627
628 return(1);
629 }
630
631 static int
632 mdoc_nd_pre(MDOC_ARGS)
633 {
634 struct htmlpair tag;
635
636 if (n->type != ROFFT_BODY)
637 return(1);
638
639 /* XXX: this tag in theory can contain block elements. */
640
641 print_text(h, "\\(em");
642 PAIR_CLASS_INIT(&tag, "desc");
643 print_otag(h, TAG_SPAN, 1, &tag);
644 return(1);
645 }
646
647 static int
648 mdoc_nm_pre(MDOC_ARGS)
649 {
650 struct htmlpair tag;
651 struct roffsu su;
652 int len;
653
654 switch (n->type) {
655 case ROFFT_ELEM:
656 synopsis_pre(h, n);
657 PAIR_CLASS_INIT(&tag, "name");
658 print_otag(h, TAG_B, 1, &tag);
659 if (NULL == n->child && meta->name)
660 print_text(h, meta->name);
661 return(1);
662 case ROFFT_HEAD:
663 print_otag(h, TAG_TD, 0, NULL);
664 if (NULL == n->child && meta->name)
665 print_text(h, meta->name);
666 return(1);
667 case ROFFT_BODY:
668 print_otag(h, TAG_TD, 0, NULL);
669 return(1);
670 default:
671 break;
672 }
673
674 synopsis_pre(h, n);
675 PAIR_CLASS_INIT(&tag, "synopsis");
676 print_otag(h, TAG_TABLE, 1, &tag);
677
678 for (len = 0, n = n->child; n; n = n->next)
679 if (n->type == ROFFT_TEXT)
680 len += html_strlen(n->string);
681
682 if (0 == len && meta->name)
683 len = html_strlen(meta->name);
684
685 SCALE_HS_INIT(&su, len);
686 bufinit(h);
687 bufcat_su(h, "width", &su);
688 PAIR_STYLE_INIT(&tag, h);
689 print_otag(h, TAG_COL, 1, &tag);
690 print_otag(h, TAG_COL, 0, NULL);
691 print_otag(h, TAG_TBODY, 0, NULL);
692 print_otag(h, TAG_TR, 0, NULL);
693 return(1);
694 }
695
696 static int
697 mdoc_xr_pre(MDOC_ARGS)
698 {
699 struct htmlpair tag[2];
700
701 if (NULL == n->child)
702 return(0);
703
704 PAIR_CLASS_INIT(&tag[0], "link-man");
705
706 if (h->base_man) {
707 buffmt_man(h, n->child->string,
708 n->child->next ?
709 n->child->next->string : NULL);
710 PAIR_HREF_INIT(&tag[1], h->buf);
711 print_otag(h, TAG_A, 2, tag);
712 } else
713 print_otag(h, TAG_A, 1, tag);
714
715 n = n->child;
716 print_text(h, n->string);
717
718 if (NULL == (n = n->next))
719 return(0);
720
721 h->flags |= HTML_NOSPACE;
722 print_text(h, "(");
723 h->flags |= HTML_NOSPACE;
724 print_text(h, n->string);
725 h->flags |= HTML_NOSPACE;
726 print_text(h, ")");
727 return(0);
728 }
729
730 static int
731 mdoc_ns_pre(MDOC_ARGS)
732 {
733
734 if ( ! (MDOC_LINE & n->flags))
735 h->flags |= HTML_NOSPACE;
736 return(1);
737 }
738
739 static int
740 mdoc_ar_pre(MDOC_ARGS)
741 {
742 struct htmlpair tag;
743
744 PAIR_CLASS_INIT(&tag, "arg");
745 print_otag(h, TAG_I, 1, &tag);
746 return(1);
747 }
748
749 static int
750 mdoc_xx_pre(MDOC_ARGS)
751 {
752 const char *pp;
753 struct htmlpair tag;
754 int flags;
755
756 switch (n->tok) {
757 case MDOC_Bsx:
758 pp = "BSD/OS";
759 break;
760 case MDOC_Dx:
761 pp = "DragonFly";
762 break;
763 case MDOC_Fx:
764 pp = "FreeBSD";
765 break;
766 case MDOC_Nx:
767 pp = "NetBSD";
768 break;
769 case MDOC_Ox:
770 pp = "OpenBSD";
771 break;
772 case MDOC_Ux:
773 pp = "UNIX";
774 break;
775 default:
776 return(1);
777 }
778
779 PAIR_CLASS_INIT(&tag, "unix");
780 print_otag(h, TAG_SPAN, 1, &tag);
781
782 print_text(h, pp);
783 if (n->child) {
784 flags = h->flags;
785 h->flags |= HTML_KEEP;
786 print_text(h, n->child->string);
787 h->flags = flags;
788 }
789 return(0);
790 }
791
792 static int
793 mdoc_bx_pre(MDOC_ARGS)
794 {
795 struct htmlpair tag;
796
797 PAIR_CLASS_INIT(&tag, "unix");
798 print_otag(h, TAG_SPAN, 1, &tag);
799
800 if (NULL != (n = n->child)) {
801 print_text(h, n->string);
802 h->flags |= HTML_NOSPACE;
803 print_text(h, "BSD");
804 } else {
805 print_text(h, "BSD");
806 return(0);
807 }
808
809 if (NULL != (n = n->next)) {
810 h->flags |= HTML_NOSPACE;
811 print_text(h, "-");
812 h->flags |= HTML_NOSPACE;
813 print_text(h, n->string);
814 }
815
816 return(0);
817 }
818
819 static int
820 mdoc_it_pre(MDOC_ARGS)
821 {
822 struct roffsu su;
823 enum mdoc_list type;
824 struct htmlpair tag[2];
825 const struct roff_node *bl;
826
827 bl = n->parent;
828 while (bl && MDOC_Bl != bl->tok)
829 bl = bl->parent;
830
831 assert(bl);
832
833 type = bl->norm->Bl.type;
834
835 assert(lists[type]);
836 PAIR_CLASS_INIT(&tag[0], lists[type]);
837
838 bufinit(h);
839
840 if (n->type == ROFFT_HEAD) {
841 switch (type) {
842 case LIST_bullet:
843 /* FALLTHROUGH */
844 case LIST_dash:
845 /* FALLTHROUGH */
846 case LIST_item:
847 /* FALLTHROUGH */
848 case LIST_hyphen:
849 /* FALLTHROUGH */
850 case LIST_enum:
851 return(0);
852 case LIST_diag:
853 /* FALLTHROUGH */
854 case LIST_hang:
855 /* FALLTHROUGH */
856 case LIST_inset:
857 /* FALLTHROUGH */
858 case LIST_ohang:
859 /* FALLTHROUGH */
860 case LIST_tag:
861 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
862 bufcat_su(h, "margin-top", &su);
863 PAIR_STYLE_INIT(&tag[1], h);
864 print_otag(h, TAG_DT, 2, tag);
865 if (LIST_diag != type)
866 break;
867 PAIR_CLASS_INIT(&tag[0], "diag");
868 print_otag(h, TAG_B, 1, tag);
869 break;
870 case LIST_column:
871 break;
872 default:
873 break;
874 }
875 } else if (n->type == ROFFT_BODY) {
876 switch (type) {
877 case LIST_bullet:
878 /* FALLTHROUGH */
879 case LIST_hyphen:
880 /* FALLTHROUGH */
881 case LIST_dash:
882 /* FALLTHROUGH */
883 case LIST_enum:
884 /* FALLTHROUGH */
885 case LIST_item:
886 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
887 bufcat_su(h, "margin-top", &su);
888 PAIR_STYLE_INIT(&tag[1], h);
889 print_otag(h, TAG_LI, 2, tag);
890 break;
891 case LIST_diag:
892 /* FALLTHROUGH */
893 case LIST_hang:
894 /* FALLTHROUGH */
895 case LIST_inset:
896 /* FALLTHROUGH */
897 case LIST_ohang:
898 /* FALLTHROUGH */
899 case LIST_tag:
900 if (NULL == bl->norm->Bl.width) {
901 print_otag(h, TAG_DD, 1, tag);
902 break;
903 }
904 a2width(bl->norm->Bl.width, &su);
905 bufcat_su(h, "margin-left", &su);
906 PAIR_STYLE_INIT(&tag[1], h);
907 print_otag(h, TAG_DD, 2, tag);
908 break;
909 case LIST_column:
910 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
911 bufcat_su(h, "margin-top", &su);
912 PAIR_STYLE_INIT(&tag[1], h);
913 print_otag(h, TAG_TD, 2, tag);
914 break;
915 default:
916 break;
917 }
918 } else {
919 switch (type) {
920 case LIST_column:
921 print_otag(h, TAG_TR, 1, tag);
922 break;
923 default:
924 break;
925 }
926 }
927
928 return(1);
929 }
930
931 static int
932 mdoc_bl_pre(MDOC_ARGS)
933 {
934 int i;
935 struct htmlpair tag[3];
936 struct roffsu su;
937 char buf[BUFSIZ];
938
939 if (n->type == ROFFT_BODY) {
940 if (LIST_column == n->norm->Bl.type)
941 print_otag(h, TAG_TBODY, 0, NULL);
942 return(1);
943 }
944
945 if (n->type == ROFFT_HEAD) {
946 if (LIST_column != n->norm->Bl.type)
947 return(0);
948
949 /*
950 * For each column, print out the <COL> tag with our
951 * suggested width. The last column gets min-width, as
952 * in terminal mode it auto-sizes to the width of the
953 * screen and we want to preserve that behaviour.
954 */
955
956 for (i = 0; i < (int)n->norm->Bl.ncols; i++) {
957 bufinit(h);
958 a2width(n->norm->Bl.cols[i], &su);
959 if (i < (int)n->norm->Bl.ncols - 1)
960 bufcat_su(h, "width", &su);
961 else
962 bufcat_su(h, "min-width", &su);
963 PAIR_STYLE_INIT(&tag[0], h);
964 print_otag(h, TAG_COL, 1, tag);
965 }
966
967 return(0);
968 }
969
970 SCALE_VS_INIT(&su, 0);
971 bufinit(h);
972 bufcat_su(h, "margin-top", &su);
973 bufcat_su(h, "margin-bottom", &su);
974 PAIR_STYLE_INIT(&tag[0], h);
975
976 assert(lists[n->norm->Bl.type]);
977 (void)strlcpy(buf, "list ", BUFSIZ);
978 (void)strlcat(buf, lists[n->norm->Bl.type], BUFSIZ);
979 PAIR_INIT(&tag[1], ATTR_CLASS, buf);
980
981 /* Set the block's left-hand margin. */
982
983 if (n->norm->Bl.offs) {
984 a2width(n->norm->Bl.offs, &su);
985 bufcat_su(h, "margin-left", &su);
986 }
987
988 switch (n->norm->Bl.type) {
989 case LIST_bullet:
990 /* FALLTHROUGH */
991 case LIST_dash:
992 /* FALLTHROUGH */
993 case LIST_hyphen:
994 /* FALLTHROUGH */
995 case LIST_item:
996 print_otag(h, TAG_UL, 2, tag);
997 break;
998 case LIST_enum:
999 print_otag(h, TAG_OL, 2, tag);
1000 break;
1001 case LIST_diag:
1002 /* FALLTHROUGH */
1003 case LIST_hang:
1004 /* FALLTHROUGH */
1005 case LIST_inset:
1006 /* FALLTHROUGH */
1007 case LIST_ohang:
1008 /* FALLTHROUGH */
1009 case LIST_tag:
1010 print_otag(h, TAG_DL, 2, tag);
1011 break;
1012 case LIST_column:
1013 print_otag(h, TAG_TABLE, 2, tag);
1014 break;
1015 default:
1016 abort();
1017 /* NOTREACHED */
1018 }
1019
1020 return(1);
1021 }
1022
1023 static int
1024 mdoc_ex_pre(MDOC_ARGS)
1025 {
1026 struct tag *t;
1027 struct htmlpair tag;
1028 int nchild;
1029
1030 if (n->prev)
1031 print_otag(h, TAG_BR, 0, NULL);
1032
1033 PAIR_CLASS_INIT(&tag, "utility");
1034
1035 print_text(h, "The");
1036
1037 nchild = n->nchild;
1038 for (n = n->child; n; n = n->next) {
1039 assert(n->type == ROFFT_TEXT);
1040
1041 t = print_otag(h, TAG_B, 1, &tag);
1042 print_text(h, n->string);
1043 print_tagq(h, t);
1044
1045 if (nchild > 2 && n->next) {
1046 h->flags |= HTML_NOSPACE;
1047 print_text(h, ",");
1048 }
1049
1050 if (n->next && NULL == n->next->next)
1051 print_text(h, "and");
1052 }
1053
1054 if (nchild > 1)
1055 print_text(h, "utilities exit\\~0");
1056 else
1057 print_text(h, "utility exits\\~0");
1058
1059 print_text(h, "on success, and\\~>0 if an error occurs.");
1060 return(0);
1061 }
1062
1063 static int
1064 mdoc_em_pre(MDOC_ARGS)
1065 {
1066 struct htmlpair tag;
1067
1068 PAIR_CLASS_INIT(&tag, "emph");
1069 print_otag(h, TAG_SPAN, 1, &tag);
1070 return(1);
1071 }
1072
1073 static int
1074 mdoc_d1_pre(MDOC_ARGS)
1075 {
1076 struct htmlpair tag[2];
1077 struct roffsu su;
1078
1079 if (n->type != ROFFT_BLOCK)
1080 return(1);
1081
1082 SCALE_VS_INIT(&su, 0);
1083 bufinit(h);
1084 bufcat_su(h, "margin-top", &su);
1085 bufcat_su(h, "margin-bottom", &su);
1086 PAIR_STYLE_INIT(&tag[0], h);
1087 print_otag(h, TAG_BLOCKQUOTE, 1, tag);
1088
1089 /* BLOCKQUOTE needs a block body. */
1090
1091 PAIR_CLASS_INIT(&tag[0], "display");
1092 print_otag(h, TAG_DIV, 1, tag);
1093
1094 if (MDOC_Dl == n->tok) {
1095 PAIR_CLASS_INIT(&tag[0], "lit");
1096 print_otag(h, TAG_CODE, 1, tag);
1097 }
1098
1099 return(1);
1100 }
1101
1102 static int
1103 mdoc_sx_pre(MDOC_ARGS)
1104 {
1105 struct htmlpair tag[2];
1106
1107 bufinit(h);
1108 bufcat(h, "#x");
1109
1110 for (n = n->child; n; ) {
1111 bufcat_id(h, n->string);
1112 if (NULL != (n = n->next))
1113 bufcat_id(h, " ");
1114 }
1115
1116 PAIR_CLASS_INIT(&tag[0], "link-sec");
1117 PAIR_HREF_INIT(&tag[1], h->buf);
1118
1119 print_otag(h, TAG_I, 1, tag);
1120 print_otag(h, TAG_A, 2, tag);
1121 return(1);
1122 }
1123
1124 static int
1125 mdoc_bd_pre(MDOC_ARGS)
1126 {
1127 struct htmlpair tag[2];
1128 int comp, sv;
1129 struct roff_node *nn;
1130 struct roffsu su;
1131
1132 if (n->type == ROFFT_HEAD)
1133 return(0);
1134
1135 if (n->type == ROFFT_BLOCK) {
1136 comp = n->norm->Bd.comp;
1137 for (nn = n; nn && ! comp; nn = nn->parent) {
1138 if (nn->type != ROFFT_BLOCK)
1139 continue;
1140 if (MDOC_Ss == nn->tok || MDOC_Sh == nn->tok)
1141 comp = 1;
1142 if (nn->prev)
1143 break;
1144 }
1145 if ( ! comp)
1146 print_paragraph(h);
1147 return(1);
1148 }
1149
1150 /* Handle the -offset argument. */
1151
1152 if (n->norm->Bd.offs == NULL ||
1153 ! strcmp(n->norm->Bd.offs, "left"))
1154 SCALE_HS_INIT(&su, 0);
1155 else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1156 SCALE_HS_INIT(&su, INDENT);
1157 else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1158 SCALE_HS_INIT(&su, INDENT * 2);
1159 else
1160 a2width(n->norm->Bd.offs, &su);
1161
1162 bufinit(h);
1163 bufcat_su(h, "margin-left", &su);
1164 PAIR_STYLE_INIT(&tag[0], h);
1165
1166 if (DISP_unfilled != n->norm->Bd.type &&
1167 DISP_literal != n->norm->Bd.type) {
1168 PAIR_CLASS_INIT(&tag[1], "display");
1169 print_otag(h, TAG_DIV, 2, tag);
1170 return(1);
1171 }
1172
1173 PAIR_CLASS_INIT(&tag[1], "lit display");
1174 print_otag(h, TAG_PRE, 2, tag);
1175
1176 /* This can be recursive: save & set our literal state. */
1177
1178 sv = h->flags & HTML_LITERAL;
1179 h->flags |= HTML_LITERAL;
1180
1181 for (nn = n->child; nn; nn = nn->next) {
1182 print_mdoc_node(meta, nn, h);
1183 /*
1184 * If the printed node flushes its own line, then we
1185 * needn't do it here as well. This is hacky, but the
1186 * notion of selective eoln whitespace is pretty dumb
1187 * anyway, so don't sweat it.
1188 */
1189 switch (nn->tok) {
1190 case MDOC_Sm:
1191 /* FALLTHROUGH */
1192 case MDOC_br:
1193 /* FALLTHROUGH */
1194 case MDOC_sp:
1195 /* FALLTHROUGH */
1196 case MDOC_Bl:
1197 /* FALLTHROUGH */
1198 case MDOC_D1:
1199 /* FALLTHROUGH */
1200 case MDOC_Dl:
1201 /* FALLTHROUGH */
1202 case MDOC_Lp:
1203 /* FALLTHROUGH */
1204 case MDOC_Pp:
1205 continue;
1206 default:
1207 break;
1208 }
1209 if (h->flags & HTML_NONEWLINE ||
1210 (nn->next && ! (nn->next->flags & MDOC_LINE)))
1211 continue;
1212 else if (nn->next)
1213 print_text(h, "\n");
1214
1215 h->flags |= HTML_NOSPACE;
1216 }
1217
1218 if (0 == sv)
1219 h->flags &= ~HTML_LITERAL;
1220
1221 return(0);
1222 }
1223
1224 static int
1225 mdoc_pa_pre(MDOC_ARGS)
1226 {
1227 struct htmlpair tag;
1228
1229 PAIR_CLASS_INIT(&tag, "file");
1230 print_otag(h, TAG_I, 1, &tag);
1231 return(1);
1232 }
1233
1234 static int
1235 mdoc_ad_pre(MDOC_ARGS)
1236 {
1237 struct htmlpair tag;
1238
1239 PAIR_CLASS_INIT(&tag, "addr");
1240 print_otag(h, TAG_I, 1, &tag);
1241 return(1);
1242 }
1243
1244 static int
1245 mdoc_an_pre(MDOC_ARGS)
1246 {
1247 struct htmlpair tag;
1248
1249 if (n->norm->An.auth == AUTH_split) {
1250 h->flags &= ~HTML_NOSPLIT;
1251 h->flags |= HTML_SPLIT;
1252 return(0);
1253 }
1254 if (n->norm->An.auth == AUTH_nosplit) {
1255 h->flags &= ~HTML_SPLIT;
1256 h->flags |= HTML_NOSPLIT;
1257 return(0);
1258 }
1259
1260 if (h->flags & HTML_SPLIT)
1261 print_otag(h, TAG_BR, 0, NULL);
1262
1263 if (n->sec == SEC_AUTHORS && ! (h->flags & HTML_NOSPLIT))
1264 h->flags |= HTML_SPLIT;
1265
1266 PAIR_CLASS_INIT(&tag, "author");
1267 print_otag(h, TAG_SPAN, 1, &tag);
1268 return(1);
1269 }
1270
1271 static int
1272 mdoc_cd_pre(MDOC_ARGS)
1273 {
1274 struct htmlpair tag;
1275
1276 synopsis_pre(h, n);
1277 PAIR_CLASS_INIT(&tag, "config");
1278 print_otag(h, TAG_B, 1, &tag);
1279 return(1);
1280 }
1281
1282 static int
1283 mdoc_dv_pre(MDOC_ARGS)
1284 {
1285 struct htmlpair tag;
1286
1287 PAIR_CLASS_INIT(&tag, "define");
1288 print_otag(h, TAG_SPAN, 1, &tag);
1289 return(1);
1290 }
1291
1292 static int
1293 mdoc_ev_pre(MDOC_ARGS)
1294 {
1295 struct htmlpair tag;
1296
1297 PAIR_CLASS_INIT(&tag, "env");
1298 print_otag(h, TAG_SPAN, 1, &tag);
1299 return(1);
1300 }
1301
1302 static int
1303 mdoc_er_pre(MDOC_ARGS)
1304 {
1305 struct htmlpair tag;
1306
1307 PAIR_CLASS_INIT(&tag, "errno");
1308 print_otag(h, TAG_SPAN, 1, &tag);
1309 return(1);
1310 }
1311
1312 static int
1313 mdoc_fa_pre(MDOC_ARGS)
1314 {
1315 const struct roff_node *nn;
1316 struct htmlpair tag;
1317 struct tag *t;
1318
1319 PAIR_CLASS_INIT(&tag, "farg");
1320 if (n->parent->tok != MDOC_Fo) {
1321 print_otag(h, TAG_I, 1, &tag);
1322 return(1);
1323 }
1324
1325 for (nn = n->child; nn; nn = nn->next) {
1326 t = print_otag(h, TAG_I, 1, &tag);
1327 print_text(h, nn->string);
1328 print_tagq(h, t);
1329 if (nn->next) {
1330 h->flags |= HTML_NOSPACE;
1331 print_text(h, ",");
1332 }
1333 }
1334
1335 if (n->child && n->next && n->next->tok == MDOC_Fa) {
1336 h->flags |= HTML_NOSPACE;
1337 print_text(h, ",");
1338 }
1339
1340 return(0);
1341 }
1342
1343 static int
1344 mdoc_fd_pre(MDOC_ARGS)
1345 {
1346 struct htmlpair tag[2];
1347 char buf[BUFSIZ];
1348 size_t sz;
1349 int i;
1350 struct tag *t;
1351
1352 synopsis_pre(h, n);
1353
1354 if (NULL == (n = n->child))
1355 return(0);
1356
1357 assert(n->type == ROFFT_TEXT);
1358
1359 if (strcmp(n->string, "#include")) {
1360 PAIR_CLASS_INIT(&tag[0], "macro");
1361 print_otag(h, TAG_B, 1, tag);
1362 return(1);
1363 }
1364
1365 PAIR_CLASS_INIT(&tag[0], "includes");
1366 print_otag(h, TAG_B, 1, tag);
1367 print_text(h, n->string);
1368
1369 if (NULL != (n = n->next)) {
1370 assert(n->type == ROFFT_TEXT);
1371
1372 /*
1373 * XXX This is broken and not easy to fix.
1374 * When using -Oincludes, truncation may occur.
1375 * Dynamic allocation wouldn't help because
1376 * passing long strings to buffmt_includes()
1377 * does not work either.
1378 */
1379
1380 strlcpy(buf, '<' == *n->string || '"' == *n->string ?
1381 n->string + 1 : n->string, BUFSIZ);
1382
1383 sz = strlen(buf);
1384 if (sz && ('>' == buf[sz - 1] || '"' == buf[sz - 1]))
1385 buf[sz - 1] = '\0';
1386
1387 PAIR_CLASS_INIT(&tag[0], "link-includes");
1388
1389 i = 1;
1390 if (h->base_includes) {
1391 buffmt_includes(h, buf);
1392 PAIR_HREF_INIT(&tag[i], h->buf);
1393 i++;
1394 }
1395
1396 t = print_otag(h, TAG_A, i, tag);
1397 print_text(h, n->string);
1398 print_tagq(h, t);
1399
1400 n = n->next;
1401 }
1402
1403 for ( ; n; n = n->next) {
1404 assert(n->type == ROFFT_TEXT);
1405 print_text(h, n->string);
1406 }
1407
1408 return(0);
1409 }
1410
1411 static int
1412 mdoc_vt_pre(MDOC_ARGS)
1413 {
1414 struct htmlpair tag;
1415
1416 if (n->type == ROFFT_BLOCK) {
1417 synopsis_pre(h, n);
1418 return(1);
1419 } else if (n->type == ROFFT_ELEM) {
1420 synopsis_pre(h, n);
1421 } else if (n->type == ROFFT_HEAD)
1422 return(0);
1423
1424 PAIR_CLASS_INIT(&tag, "type");
1425 print_otag(h, TAG_SPAN, 1, &tag);
1426 return(1);
1427 }
1428
1429 static int
1430 mdoc_ft_pre(MDOC_ARGS)
1431 {
1432 struct htmlpair tag;
1433
1434 synopsis_pre(h, n);
1435 PAIR_CLASS_INIT(&tag, "ftype");
1436 print_otag(h, TAG_I, 1, &tag);
1437 return(1);
1438 }
1439
1440 static int
1441 mdoc_fn_pre(MDOC_ARGS)
1442 {
1443 struct tag *t;
1444 struct htmlpair tag[2];
1445 char nbuf[BUFSIZ];
1446 const char *sp, *ep;
1447 int sz, i, pretty;
1448
1449 pretty = MDOC_SYNPRETTY & n->flags;
1450 synopsis_pre(h, n);
1451
1452 /* Split apart into type and name. */
1453 assert(n->child->string);
1454 sp = n->child->string;
1455
1456 ep = strchr(sp, ' ');
1457 if (NULL != ep) {
1458 PAIR_CLASS_INIT(&tag[0], "ftype");
1459 t = print_otag(h, TAG_I, 1, tag);
1460
1461 while (ep) {
1462 sz = MIN((int)(ep - sp), BUFSIZ - 1);
1463 (void)memcpy(nbuf, sp, (size_t)sz);
1464 nbuf[sz] = '\0';
1465 print_text(h, nbuf);
1466 sp = ++ep;
1467 ep = strchr(sp, ' ');
1468 }
1469 print_tagq(h, t);
1470 }
1471
1472 PAIR_CLASS_INIT(&tag[0], "fname");
1473
1474 /*
1475 * FIXME: only refer to IDs that we know exist.
1476 */
1477
1478 #if 0
1479 if (MDOC_SYNPRETTY & n->flags) {
1480 nbuf[0] = '\0';
1481 html_idcat(nbuf, sp, BUFSIZ);
1482 PAIR_ID_INIT(&tag[1], nbuf);
1483 } else {
1484 strlcpy(nbuf, "#", BUFSIZ);
1485 html_idcat(nbuf, sp, BUFSIZ);
1486 PAIR_HREF_INIT(&tag[1], nbuf);
1487 }
1488 #endif
1489
1490 t = print_otag(h, TAG_B, 1, tag);
1491
1492 if (sp)
1493 print_text(h, sp);
1494
1495 print_tagq(h, t);
1496
1497 h->flags |= HTML_NOSPACE;
1498 print_text(h, "(");
1499 h->flags |= HTML_NOSPACE;
1500
1501 PAIR_CLASS_INIT(&tag[0], "farg");
1502 bufinit(h);
1503 bufcat_style(h, "white-space", "nowrap");
1504 PAIR_STYLE_INIT(&tag[1], h);
1505
1506 for (n = n->child->next; n; n = n->next) {
1507 i = 1;
1508 if (MDOC_SYNPRETTY & n->flags)
1509 i = 2;
1510 t = print_otag(h, TAG_I, i, tag);
1511 print_text(h, n->string);
1512 print_tagq(h, t);
1513 if (n->next) {
1514 h->flags |= HTML_NOSPACE;
1515 print_text(h, ",");
1516 }
1517 }
1518
1519 h->flags |= HTML_NOSPACE;
1520 print_text(h, ")");
1521
1522 if (pretty) {
1523 h->flags |= HTML_NOSPACE;
1524 print_text(h, ";");
1525 }
1526
1527 return(0);
1528 }
1529
1530 static int
1531 mdoc_sm_pre(MDOC_ARGS)
1532 {
1533
1534 if (NULL == n->child)
1535 h->flags ^= HTML_NONOSPACE;
1536 else if (0 == strcmp("on", n->child->string))
1537 h->flags &= ~HTML_NONOSPACE;
1538 else
1539 h->flags |= HTML_NONOSPACE;
1540
1541 if ( ! (HTML_NONOSPACE & h->flags))
1542 h->flags &= ~HTML_NOSPACE;
1543
1544 return(0);
1545 }
1546
1547 static int
1548 mdoc_skip_pre(MDOC_ARGS)
1549 {
1550
1551 return(0);
1552 }
1553
1554 static int
1555 mdoc_pp_pre(MDOC_ARGS)
1556 {
1557
1558 print_paragraph(h);
1559 return(0);
1560 }
1561
1562 static int
1563 mdoc_sp_pre(MDOC_ARGS)
1564 {
1565 struct roffsu su;
1566 struct htmlpair tag;
1567
1568 SCALE_VS_INIT(&su, 1);
1569
1570 if (MDOC_sp == n->tok) {
1571 if (NULL != (n = n->child)) {
1572 if ( ! a2roffsu(n->string, &su, SCALE_VS))
1573 su.scale = 1.0;
1574 else if (su.scale < 0.0)
1575 su.scale = 0.0;
1576 }
1577 } else
1578 su.scale = 0.0;
1579
1580 bufinit(h);
1581 bufcat_su(h, "height", &su);
1582 PAIR_STYLE_INIT(&tag, h);
1583 print_otag(h, TAG_DIV, 1, &tag);
1584
1585 /* So the div isn't empty: */
1586 print_text(h, "\\~");
1587
1588 return(0);
1589
1590 }
1591
1592 static int
1593 mdoc_lk_pre(MDOC_ARGS)
1594 {
1595 struct htmlpair tag[2];
1596
1597 if (NULL == (n = n->child))
1598 return(0);
1599
1600 assert(n->type == ROFFT_TEXT);
1601
1602 PAIR_CLASS_INIT(&tag[0], "link-ext");
1603 PAIR_HREF_INIT(&tag[1], n->string);
1604
1605 print_otag(h, TAG_A, 2, tag);
1606
1607 if (NULL == n->next)
1608 print_text(h, n->string);
1609
1610 for (n = n->next; n; n = n->next)
1611 print_text(h, n->string);
1612
1613 return(0);
1614 }
1615
1616 static int
1617 mdoc_mt_pre(MDOC_ARGS)
1618 {
1619 struct htmlpair tag[2];
1620 struct tag *t;
1621
1622 PAIR_CLASS_INIT(&tag[0], "link-mail");
1623
1624 for (n = n->child; n; n = n->next) {
1625 assert(n->type == ROFFT_TEXT);
1626
1627 bufinit(h);
1628 bufcat(h, "mailto:");
1629 bufcat(h, n->string);
1630
1631 PAIR_HREF_INIT(&tag[1], h->buf);
1632 t = print_otag(h, TAG_A, 2, tag);
1633 print_text(h, n->string);
1634 print_tagq(h, t);
1635 }
1636
1637 return(0);
1638 }
1639
1640 static int
1641 mdoc_fo_pre(MDOC_ARGS)
1642 {
1643 struct htmlpair tag;
1644 struct tag *t;
1645
1646 if (n->type == ROFFT_BODY) {
1647 h->flags |= HTML_NOSPACE;
1648 print_text(h, "(");
1649 h->flags |= HTML_NOSPACE;
1650 return(1);
1651 } else if (n->type == ROFFT_BLOCK) {
1652 synopsis_pre(h, n);
1653 return(1);
1654 }
1655
1656 /* XXX: we drop non-initial arguments as per groff. */
1657
1658 assert(n->child);
1659 assert(n->child->string);
1660
1661 PAIR_CLASS_INIT(&tag, "fname");
1662 t = print_otag(h, TAG_B, 1, &tag);
1663 print_text(h, n->child->string);
1664 print_tagq(h, t);
1665 return(0);
1666 }
1667
1668 static void
1669 mdoc_fo_post(MDOC_ARGS)
1670 {
1671
1672 if (n->type != ROFFT_BODY)
1673 return;
1674 h->flags |= HTML_NOSPACE;
1675 print_text(h, ")");
1676 h->flags |= HTML_NOSPACE;
1677 print_text(h, ";");
1678 }
1679
1680 static int
1681 mdoc_in_pre(MDOC_ARGS)
1682 {
1683 struct tag *t;
1684 struct htmlpair tag[2];
1685 int i;
1686
1687 synopsis_pre(h, n);
1688
1689 PAIR_CLASS_INIT(&tag[0], "includes");
1690 print_otag(h, TAG_B, 1, tag);
1691
1692 /*
1693 * The first argument of the `In' gets special treatment as
1694 * being a linked value. Subsequent values are printed
1695 * afterward. groff does similarly. This also handles the case
1696 * of no children.
1697 */
1698
1699 if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags)
1700 print_text(h, "#include");
1701
1702 print_text(h, "<");
1703 h->flags |= HTML_NOSPACE;
1704
1705 if (NULL != (n = n->child)) {
1706 assert(n->type == ROFFT_TEXT);
1707
1708 PAIR_CLASS_INIT(&tag[0], "link-includes");
1709
1710 i = 1;
1711 if (h->base_includes) {
1712 buffmt_includes(h, n->string);
1713 PAIR_HREF_INIT(&tag[i], h->buf);
1714 i++;
1715 }
1716
1717 t = print_otag(h, TAG_A, i, tag);
1718 print_text(h, n->string);
1719 print_tagq(h, t);
1720
1721 n = n->next;
1722 }
1723
1724 h->flags |= HTML_NOSPACE;
1725 print_text(h, ">");
1726
1727 for ( ; n; n = n->next) {
1728 assert(n->type == ROFFT_TEXT);
1729 print_text(h, n->string);
1730 }
1731
1732 return(0);
1733 }
1734
1735 static int
1736 mdoc_ic_pre(MDOC_ARGS)
1737 {
1738 struct htmlpair tag;
1739
1740 PAIR_CLASS_INIT(&tag, "cmd");
1741 print_otag(h, TAG_B, 1, &tag);
1742 return(1);
1743 }
1744
1745 static int
1746 mdoc_rv_pre(MDOC_ARGS)
1747 {
1748 struct htmlpair tag;
1749 struct tag *t;
1750 int nchild;
1751
1752 if (n->prev)
1753 print_otag(h, TAG_BR, 0, NULL);
1754
1755 PAIR_CLASS_INIT(&tag, "fname");
1756
1757 nchild = n->nchild;
1758 if (nchild > 0) {
1759 print_text(h, "The");
1760
1761 for (n = n->child; n; n = n->next) {
1762 t = print_otag(h, TAG_B, 1, &tag);
1763 print_text(h, n->string);
1764 print_tagq(h, t);
1765
1766 h->flags |= HTML_NOSPACE;
1767 print_text(h, "()");
1768
1769 if (n->next == NULL)
1770 continue;
1771
1772 if (nchild > 2) {
1773 h->flags |= HTML_NOSPACE;
1774 print_text(h, ",");
1775 }
1776 if (n->next->next == NULL)
1777 print_text(h, "and");
1778 }
1779
1780 if (nchild > 1)
1781 print_text(h, "functions return");
1782 else
1783 print_text(h, "function returns");
1784
1785 print_text(h, "the value\\~0 if successful;");
1786 } else
1787 print_text(h, "Upon successful completion,"
1788 " the value\\~0 is returned;");
1789
1790 print_text(h, "otherwise the value\\~\\-1 is returned"
1791 " and the global variable");
1792
1793 PAIR_CLASS_INIT(&tag, "var");
1794 t = print_otag(h, TAG_B, 1, &tag);
1795 print_text(h, "errno");
1796 print_tagq(h, t);
1797 print_text(h, "is set to indicate the error.");
1798 return(0);
1799 }
1800
1801 static int
1802 mdoc_va_pre(MDOC_ARGS)
1803 {
1804 struct htmlpair tag;
1805
1806 PAIR_CLASS_INIT(&tag, "var");
1807 print_otag(h, TAG_B, 1, &tag);
1808 return(1);
1809 }
1810
1811 static int
1812 mdoc_ap_pre(MDOC_ARGS)
1813 {
1814
1815 h->flags |= HTML_NOSPACE;
1816 print_text(h, "\\(aq");
1817 h->flags |= HTML_NOSPACE;
1818 return(1);
1819 }
1820
1821 static int
1822 mdoc_bf_pre(MDOC_ARGS)
1823 {
1824 struct htmlpair tag[2];
1825 struct roffsu su;
1826
1827 if (n->type == ROFFT_HEAD)
1828 return(0);
1829 else if (n->type != ROFFT_BODY)
1830 return(1);
1831
1832 if (FONT_Em == n->norm->Bf.font)
1833 PAIR_CLASS_INIT(&tag[0], "emph");
1834 else if (FONT_Sy == n->norm->Bf.font)
1835 PAIR_CLASS_INIT(&tag[0], "symb");
1836 else if (FONT_Li == n->norm->Bf.font)
1837 PAIR_CLASS_INIT(&tag[0], "lit");
1838 else
1839 PAIR_CLASS_INIT(&tag[0], "none");
1840
1841 /*
1842 * We want this to be inline-formatted, but needs to be div to
1843 * accept block children.
1844 */
1845 bufinit(h);
1846 bufcat_style(h, "display", "inline");
1847 SCALE_HS_INIT(&su, 1);
1848 /* Needs a left-margin for spacing. */
1849 bufcat_su(h, "margin-left", &su);
1850 PAIR_STYLE_INIT(&tag[1], h);
1851 print_otag(h, TAG_DIV, 2, tag);
1852 return(1);
1853 }
1854
1855 static int
1856 mdoc_ms_pre(MDOC_ARGS)
1857 {
1858 struct htmlpair tag;
1859
1860 PAIR_CLASS_INIT(&tag, "symb");
1861 print_otag(h, TAG_SPAN, 1, &tag);
1862 return(1);
1863 }
1864
1865 static int
1866 mdoc_igndelim_pre(MDOC_ARGS)
1867 {
1868
1869 h->flags |= HTML_IGNDELIM;
1870 return(1);
1871 }
1872
1873 static void
1874 mdoc_pf_post(MDOC_ARGS)
1875 {
1876
1877 if ( ! (n->next == NULL || n->next->flags & MDOC_LINE))
1878 h->flags |= HTML_NOSPACE;
1879 }
1880
1881 static int
1882 mdoc_rs_pre(MDOC_ARGS)
1883 {
1884 struct htmlpair tag;
1885
1886 if (n->type != ROFFT_BLOCK)
1887 return(1);
1888
1889 if (n->prev && SEC_SEE_ALSO == n->sec)
1890 print_paragraph(h);
1891
1892 PAIR_CLASS_INIT(&tag, "ref");
1893 print_otag(h, TAG_SPAN, 1, &tag);
1894 return(1);
1895 }
1896
1897 static int
1898 mdoc_no_pre(MDOC_ARGS)
1899 {
1900 struct htmlpair tag;
1901
1902 PAIR_CLASS_INIT(&tag, "none");
1903 print_otag(h, TAG_CODE, 1, &tag);
1904 return(1);
1905 }
1906
1907 static int
1908 mdoc_li_pre(MDOC_ARGS)
1909 {
1910 struct htmlpair tag;
1911
1912 PAIR_CLASS_INIT(&tag, "lit");
1913 print_otag(h, TAG_CODE, 1, &tag);
1914 return(1);
1915 }
1916
1917 static int
1918 mdoc_sy_pre(MDOC_ARGS)
1919 {
1920 struct htmlpair tag;
1921
1922 PAIR_CLASS_INIT(&tag, "symb");
1923 print_otag(h, TAG_SPAN, 1, &tag);
1924 return(1);
1925 }
1926
1927 static int
1928 mdoc_bt_pre(MDOC_ARGS)
1929 {
1930
1931 print_text(h, "is currently in beta test.");
1932 return(0);
1933 }
1934
1935 static int
1936 mdoc_ud_pre(MDOC_ARGS)
1937 {
1938
1939 print_text(h, "currently under development.");
1940 return(0);
1941 }
1942
1943 static int
1944 mdoc_lb_pre(MDOC_ARGS)
1945 {
1946 struct htmlpair tag;
1947
1948 if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags && n->prev)
1949 print_otag(h, TAG_BR, 0, NULL);
1950
1951 PAIR_CLASS_INIT(&tag, "lib");
1952 print_otag(h, TAG_SPAN, 1, &tag);
1953 return(1);
1954 }
1955
1956 static int
1957 mdoc__x_pre(MDOC_ARGS)
1958 {
1959 struct htmlpair tag[2];
1960 enum htmltag t;
1961
1962 t = TAG_SPAN;
1963
1964 switch (n->tok) {
1965 case MDOC__A:
1966 PAIR_CLASS_INIT(&tag[0], "ref-auth");
1967 if (n->prev && MDOC__A == n->prev->tok)
1968 if (NULL == n->next || MDOC__A != n->next->tok)
1969 print_text(h, "and");
1970 break;
1971 case MDOC__B:
1972 PAIR_CLASS_INIT(&tag[0], "ref-book");
1973 t = TAG_I;
1974 break;
1975 case MDOC__C:
1976 PAIR_CLASS_INIT(&tag[0], "ref-city");
1977 break;
1978 case MDOC__D:
1979 PAIR_CLASS_INIT(&tag[0], "ref-date");
1980 break;
1981 case MDOC__I:
1982 PAIR_CLASS_INIT(&tag[0], "ref-issue");
1983 t = TAG_I;
1984 break;
1985 case MDOC__J:
1986 PAIR_CLASS_INIT(&tag[0], "ref-jrnl");
1987 t = TAG_I;
1988 break;
1989 case MDOC__N:
1990 PAIR_CLASS_INIT(&tag[0], "ref-num");
1991 break;
1992 case MDOC__O:
1993 PAIR_CLASS_INIT(&tag[0], "ref-opt");
1994 break;
1995 case MDOC__P:
1996 PAIR_CLASS_INIT(&tag[0], "ref-page");
1997 break;
1998 case MDOC__Q:
1999 PAIR_CLASS_INIT(&tag[0], "ref-corp");
2000 break;
2001 case MDOC__R:
2002 PAIR_CLASS_INIT(&tag[0], "ref-rep");
2003 break;
2004 case MDOC__T:
2005 PAIR_CLASS_INIT(&tag[0], "ref-title");
2006 break;
2007 case MDOC__U:
2008 PAIR_CLASS_INIT(&tag[0], "link-ref");
2009 break;
2010 case MDOC__V:
2011 PAIR_CLASS_INIT(&tag[0], "ref-vol");
2012 break;
2013 default:
2014 abort();
2015 /* NOTREACHED */
2016 }
2017
2018 if (MDOC__U != n->tok) {
2019 print_otag(h, t, 1, tag);
2020 return(1);
2021 }
2022
2023 PAIR_HREF_INIT(&tag[1], n->child->string);
2024 print_otag(h, TAG_A, 2, tag);
2025
2026 return(1);
2027 }
2028
2029 static void
2030 mdoc__x_post(MDOC_ARGS)
2031 {
2032
2033 if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2034 if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2035 if (NULL == n->prev || MDOC__A != n->prev->tok)
2036 return;
2037
2038 /* TODO: %U */
2039
2040 if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2041 return;
2042
2043 h->flags |= HTML_NOSPACE;
2044 print_text(h, n->next ? "," : ".");
2045 }
2046
2047 static int
2048 mdoc_bk_pre(MDOC_ARGS)
2049 {
2050
2051 switch (n->type) {
2052 case ROFFT_BLOCK:
2053 break;
2054 case ROFFT_HEAD:
2055 return(0);
2056 case ROFFT_BODY:
2057 if (n->parent->args || 0 == n->prev->nchild)
2058 h->flags |= HTML_PREKEEP;
2059 break;
2060 default:
2061 abort();
2062 /* NOTREACHED */
2063 }
2064
2065 return(1);
2066 }
2067
2068 static void
2069 mdoc_bk_post(MDOC_ARGS)
2070 {
2071
2072 if (n->type == ROFFT_BODY)
2073 h->flags &= ~(HTML_KEEP | HTML_PREKEEP);
2074 }
2075
2076 static int
2077 mdoc_quote_pre(MDOC_ARGS)
2078 {
2079 struct htmlpair tag;
2080
2081 if (n->type != ROFFT_BODY)
2082 return(1);
2083
2084 switch (n->tok) {
2085 case MDOC_Ao:
2086 /* FALLTHROUGH */
2087 case MDOC_Aq:
2088 print_text(h, n->nchild == 1 &&
2089 n->child->tok == MDOC_Mt ? "<" : "\\(la");
2090 break;
2091 case MDOC_Bro:
2092 /* FALLTHROUGH */
2093 case MDOC_Brq:
2094 print_text(h, "\\(lC");
2095 break;
2096 case MDOC_Bo:
2097 /* FALLTHROUGH */
2098 case MDOC_Bq:
2099 print_text(h, "\\(lB");
2100 break;
2101 case MDOC_Oo:
2102 /* FALLTHROUGH */
2103 case MDOC_Op:
2104 print_text(h, "\\(lB");
2105 h->flags |= HTML_NOSPACE;
2106 PAIR_CLASS_INIT(&tag, "opt");
2107 print_otag(h, TAG_SPAN, 1, &tag);
2108 break;
2109 case MDOC_En:
2110 if (NULL == n->norm->Es ||
2111 NULL == n->norm->Es->child)
2112 return(1);
2113 print_text(h, n->norm->Es->child->string);
2114 break;
2115 case MDOC_Do:
2116 /* FALLTHROUGH */
2117 case MDOC_Dq:
2118 /* FALLTHROUGH */
2119 case MDOC_Qo:
2120 /* FALLTHROUGH */
2121 case MDOC_Qq:
2122 print_text(h, "\\(lq");
2123 break;
2124 case MDOC_Po:
2125 /* FALLTHROUGH */
2126 case MDOC_Pq:
2127 print_text(h, "(");
2128 break;
2129 case MDOC_Ql:
2130 print_text(h, "\\(oq");
2131 h->flags |= HTML_NOSPACE;
2132 PAIR_CLASS_INIT(&tag, "lit");
2133 print_otag(h, TAG_CODE, 1, &tag);
2134 break;
2135 case MDOC_So:
2136 /* FALLTHROUGH */
2137 case MDOC_Sq:
2138 print_text(h, "\\(oq");
2139 break;
2140 default:
2141 abort();
2142 /* NOTREACHED */
2143 }
2144
2145 h->flags |= HTML_NOSPACE;
2146 return(1);
2147 }
2148
2149 static void
2150 mdoc_quote_post(MDOC_ARGS)
2151 {
2152
2153 if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
2154 return;
2155
2156 h->flags |= HTML_NOSPACE;
2157
2158 switch (n->tok) {
2159 case MDOC_Ao:
2160 /* FALLTHROUGH */
2161 case MDOC_Aq:
2162 print_text(h, n->nchild == 1 &&
2163 n->child->tok == MDOC_Mt ? ">" : "\\(ra");
2164 break;
2165 case MDOC_Bro:
2166 /* FALLTHROUGH */
2167 case MDOC_Brq:
2168 print_text(h, "\\(rC");
2169 break;
2170 case MDOC_Oo:
2171 /* FALLTHROUGH */
2172 case MDOC_Op:
2173 /* FALLTHROUGH */
2174 case MDOC_Bo:
2175 /* FALLTHROUGH */
2176 case MDOC_Bq:
2177 print_text(h, "\\(rB");
2178 break;
2179 case MDOC_En:
2180 if (n->norm->Es == NULL ||
2181 n->norm->Es->child == NULL ||
2182 n->norm->Es->child->next == NULL)
2183 h->flags &= ~HTML_NOSPACE;
2184 else
2185 print_text(h, n->norm->Es->child->next->string);
2186 break;
2187 case MDOC_Qo:
2188 /* FALLTHROUGH */
2189 case MDOC_Qq:
2190 /* FALLTHROUGH */
2191 case MDOC_Do:
2192 /* FALLTHROUGH */
2193 case MDOC_Dq:
2194 print_text(h, "\\(rq");
2195 break;
2196 case MDOC_Po:
2197 /* FALLTHROUGH */
2198 case MDOC_Pq:
2199 print_text(h, ")");
2200 break;
2201 case MDOC_Ql:
2202 /* FALLTHROUGH */
2203 case MDOC_So:
2204 /* FALLTHROUGH */
2205 case MDOC_Sq:
2206 print_text(h, "\\(cq");
2207 break;
2208 default:
2209 abort();
2210 /* NOTREACHED */
2211 }
2212 }
2213
2214 static int
2215 mdoc_eo_pre(MDOC_ARGS)
2216 {
2217
2218 if (n->type != ROFFT_BODY)
2219 return(1);
2220
2221 if (n->end == ENDBODY_NOT &&
2222 n->parent->head->child == NULL &&
2223 n->child != NULL &&
2224 n->child->end != ENDBODY_NOT)
2225 print_text(h, "\\&");
2226 else if (n->end != ENDBODY_NOT ? n->child != NULL :
2227 n->parent->head->child != NULL && (n->child != NULL ||
2228 (n->parent->tail != NULL && n->parent->tail->child != NULL)))
2229 h->flags |= HTML_NOSPACE;
2230 return(1);
2231 }
2232
2233 static void
2234 mdoc_eo_post(MDOC_ARGS)
2235 {
2236 int body, tail;
2237
2238 if (n->type != ROFFT_BODY)
2239 return;
2240
2241 if (n->end != ENDBODY_NOT) {
2242 h->flags &= ~HTML_NOSPACE;
2243 return;
2244 }
2245
2246 body = n->child != NULL || n->parent->head->child != NULL;
2247 tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
2248
2249 if (body && tail)
2250 h->flags |= HTML_NOSPACE;
2251 else if ( ! tail)
2252 h->flags &= ~HTML_NOSPACE;
2253 }
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