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Simplify by deleting the "lastline" member of struct mdoc_node.
[mandoc.git] / mdoc_html.c
1 /* $Id: mdoc_html.c,v 1.222 2015/02/05 00:14:13 schwarze Exp $ */
2 /*
3 * Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
4 * Copyright (c) 2014, 2015 Ingo Schwarze <schwarze@openbsd.org>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18 #include "config.h"
19
20 #include <sys/types.h>
21
22 #include <assert.h>
23 #include <ctype.h>
24 #include <stdio.h>
25 #include <stdlib.h>
26 #include <string.h>
27 #include <unistd.h>
28
29 #include "mandoc_aux.h"
30 #include "mdoc.h"
31 #include "out.h"
32 #include "html.h"
33 #include "main.h"
34
35 #define INDENT 5
36
37 #define MDOC_ARGS const struct mdoc_meta *meta, \
38 const struct mdoc_node *n, \
39 struct html *h
40
41 #ifndef MIN
42 #define MIN(a,b) ((/*CONSTCOND*/(a)<(b))?(a):(b))
43 #endif
44
45 struct htmlmdoc {
46 int (*pre)(MDOC_ARGS);
47 void (*post)(MDOC_ARGS);
48 };
49
50 static void print_mdoc(MDOC_ARGS);
51 static void print_mdoc_head(MDOC_ARGS);
52 static void print_mdoc_node(MDOC_ARGS);
53 static void print_mdoc_nodelist(MDOC_ARGS);
54 static void synopsis_pre(struct html *,
55 const struct mdoc_node *);
56
57 static void a2width(const char *, struct roffsu *);
58
59 static void mdoc_root_post(MDOC_ARGS);
60 static int mdoc_root_pre(MDOC_ARGS);
61
62 static void mdoc__x_post(MDOC_ARGS);
63 static int mdoc__x_pre(MDOC_ARGS);
64 static int mdoc_ad_pre(MDOC_ARGS);
65 static int mdoc_an_pre(MDOC_ARGS);
66 static int mdoc_ap_pre(MDOC_ARGS);
67 static int mdoc_ar_pre(MDOC_ARGS);
68 static int mdoc_bd_pre(MDOC_ARGS);
69 static int mdoc_bf_pre(MDOC_ARGS);
70 static void mdoc_bk_post(MDOC_ARGS);
71 static int mdoc_bk_pre(MDOC_ARGS);
72 static int mdoc_bl_pre(MDOC_ARGS);
73 static int mdoc_bt_pre(MDOC_ARGS);
74 static int mdoc_bx_pre(MDOC_ARGS);
75 static int mdoc_cd_pre(MDOC_ARGS);
76 static int mdoc_d1_pre(MDOC_ARGS);
77 static int mdoc_dv_pre(MDOC_ARGS);
78 static int mdoc_fa_pre(MDOC_ARGS);
79 static int mdoc_fd_pre(MDOC_ARGS);
80 static int mdoc_fl_pre(MDOC_ARGS);
81 static int mdoc_fn_pre(MDOC_ARGS);
82 static int mdoc_ft_pre(MDOC_ARGS);
83 static int mdoc_em_pre(MDOC_ARGS);
84 static void mdoc_eo_post(MDOC_ARGS);
85 static int mdoc_eo_pre(MDOC_ARGS);
86 static int mdoc_er_pre(MDOC_ARGS);
87 static int mdoc_ev_pre(MDOC_ARGS);
88 static int mdoc_ex_pre(MDOC_ARGS);
89 static void mdoc_fo_post(MDOC_ARGS);
90 static int mdoc_fo_pre(MDOC_ARGS);
91 static int mdoc_ic_pre(MDOC_ARGS);
92 static int mdoc_igndelim_pre(MDOC_ARGS);
93 static int mdoc_in_pre(MDOC_ARGS);
94 static int mdoc_it_pre(MDOC_ARGS);
95 static int mdoc_lb_pre(MDOC_ARGS);
96 static int mdoc_li_pre(MDOC_ARGS);
97 static int mdoc_lk_pre(MDOC_ARGS);
98 static int mdoc_mt_pre(MDOC_ARGS);
99 static int mdoc_ms_pre(MDOC_ARGS);
100 static int mdoc_nd_pre(MDOC_ARGS);
101 static int mdoc_nm_pre(MDOC_ARGS);
102 static int mdoc_no_pre(MDOC_ARGS);
103 static int mdoc_ns_pre(MDOC_ARGS);
104 static int mdoc_pa_pre(MDOC_ARGS);
105 static void mdoc_pf_post(MDOC_ARGS);
106 static int mdoc_pp_pre(MDOC_ARGS);
107 static void mdoc_quote_post(MDOC_ARGS);
108 static int mdoc_quote_pre(MDOC_ARGS);
109 static int mdoc_rs_pre(MDOC_ARGS);
110 static int mdoc_rv_pre(MDOC_ARGS);
111 static int mdoc_sh_pre(MDOC_ARGS);
112 static int mdoc_skip_pre(MDOC_ARGS);
113 static int mdoc_sm_pre(MDOC_ARGS);
114 static int mdoc_sp_pre(MDOC_ARGS);
115 static int mdoc_ss_pre(MDOC_ARGS);
116 static int mdoc_sx_pre(MDOC_ARGS);
117 static int mdoc_sy_pre(MDOC_ARGS);
118 static int mdoc_ud_pre(MDOC_ARGS);
119 static int mdoc_va_pre(MDOC_ARGS);
120 static int mdoc_vt_pre(MDOC_ARGS);
121 static int mdoc_xr_pre(MDOC_ARGS);
122 static int mdoc_xx_pre(MDOC_ARGS);
123
124 static const struct htmlmdoc mdocs[MDOC_MAX] = {
125 {mdoc_ap_pre, NULL}, /* Ap */
126 {NULL, NULL}, /* Dd */
127 {NULL, NULL}, /* Dt */
128 {NULL, NULL}, /* Os */
129 {mdoc_sh_pre, NULL }, /* Sh */
130 {mdoc_ss_pre, NULL }, /* Ss */
131 {mdoc_pp_pre, NULL}, /* Pp */
132 {mdoc_d1_pre, NULL}, /* D1 */
133 {mdoc_d1_pre, NULL}, /* Dl */
134 {mdoc_bd_pre, NULL}, /* Bd */
135 {NULL, NULL}, /* Ed */
136 {mdoc_bl_pre, NULL}, /* Bl */
137 {NULL, NULL}, /* El */
138 {mdoc_it_pre, NULL}, /* It */
139 {mdoc_ad_pre, NULL}, /* Ad */
140 {mdoc_an_pre, NULL}, /* An */
141 {mdoc_ar_pre, NULL}, /* Ar */
142 {mdoc_cd_pre, NULL}, /* Cd */
143 {mdoc_fl_pre, NULL}, /* Cm */
144 {mdoc_dv_pre, NULL}, /* Dv */
145 {mdoc_er_pre, NULL}, /* Er */
146 {mdoc_ev_pre, NULL}, /* Ev */
147 {mdoc_ex_pre, NULL}, /* Ex */
148 {mdoc_fa_pre, NULL}, /* Fa */
149 {mdoc_fd_pre, NULL}, /* Fd */
150 {mdoc_fl_pre, NULL}, /* Fl */
151 {mdoc_fn_pre, NULL}, /* Fn */
152 {mdoc_ft_pre, NULL}, /* Ft */
153 {mdoc_ic_pre, NULL}, /* Ic */
154 {mdoc_in_pre, NULL}, /* In */
155 {mdoc_li_pre, NULL}, /* Li */
156 {mdoc_nd_pre, NULL}, /* Nd */
157 {mdoc_nm_pre, NULL}, /* Nm */
158 {mdoc_quote_pre, mdoc_quote_post}, /* Op */
159 {mdoc_ft_pre, NULL}, /* Ot */
160 {mdoc_pa_pre, NULL}, /* Pa */
161 {mdoc_rv_pre, NULL}, /* Rv */
162 {NULL, NULL}, /* St */
163 {mdoc_va_pre, NULL}, /* Va */
164 {mdoc_vt_pre, NULL}, /* Vt */
165 {mdoc_xr_pre, NULL}, /* Xr */
166 {mdoc__x_pre, mdoc__x_post}, /* %A */
167 {mdoc__x_pre, mdoc__x_post}, /* %B */
168 {mdoc__x_pre, mdoc__x_post}, /* %D */
169 {mdoc__x_pre, mdoc__x_post}, /* %I */
170 {mdoc__x_pre, mdoc__x_post}, /* %J */
171 {mdoc__x_pre, mdoc__x_post}, /* %N */
172 {mdoc__x_pre, mdoc__x_post}, /* %O */
173 {mdoc__x_pre, mdoc__x_post}, /* %P */
174 {mdoc__x_pre, mdoc__x_post}, /* %R */
175 {mdoc__x_pre, mdoc__x_post}, /* %T */
176 {mdoc__x_pre, mdoc__x_post}, /* %V */
177 {NULL, NULL}, /* Ac */
178 {mdoc_quote_pre, mdoc_quote_post}, /* Ao */
179 {mdoc_quote_pre, mdoc_quote_post}, /* Aq */
180 {NULL, NULL}, /* At */
181 {NULL, NULL}, /* Bc */
182 {mdoc_bf_pre, NULL}, /* Bf */
183 {mdoc_quote_pre, mdoc_quote_post}, /* Bo */
184 {mdoc_quote_pre, mdoc_quote_post}, /* Bq */
185 {mdoc_xx_pre, NULL}, /* Bsx */
186 {mdoc_bx_pre, NULL}, /* Bx */
187 {mdoc_skip_pre, NULL}, /* Db */
188 {NULL, NULL}, /* Dc */
189 {mdoc_quote_pre, mdoc_quote_post}, /* Do */
190 {mdoc_quote_pre, mdoc_quote_post}, /* Dq */
191 {NULL, NULL}, /* Ec */ /* FIXME: no space */
192 {NULL, NULL}, /* Ef */
193 {mdoc_em_pre, NULL}, /* Em */
194 {mdoc_eo_pre, mdoc_eo_post}, /* Eo */
195 {mdoc_xx_pre, NULL}, /* Fx */
196 {mdoc_ms_pre, NULL}, /* Ms */
197 {mdoc_no_pre, NULL}, /* No */
198 {mdoc_ns_pre, NULL}, /* Ns */
199 {mdoc_xx_pre, NULL}, /* Nx */
200 {mdoc_xx_pre, NULL}, /* Ox */
201 {NULL, NULL}, /* Pc */
202 {mdoc_igndelim_pre, mdoc_pf_post}, /* Pf */
203 {mdoc_quote_pre, mdoc_quote_post}, /* Po */
204 {mdoc_quote_pre, mdoc_quote_post}, /* Pq */
205 {NULL, NULL}, /* Qc */
206 {mdoc_quote_pre, mdoc_quote_post}, /* Ql */
207 {mdoc_quote_pre, mdoc_quote_post}, /* Qo */
208 {mdoc_quote_pre, mdoc_quote_post}, /* Qq */
209 {NULL, NULL}, /* Re */
210 {mdoc_rs_pre, NULL}, /* Rs */
211 {NULL, NULL}, /* Sc */
212 {mdoc_quote_pre, mdoc_quote_post}, /* So */
213 {mdoc_quote_pre, mdoc_quote_post}, /* Sq */
214 {mdoc_sm_pre, NULL}, /* Sm */
215 {mdoc_sx_pre, NULL}, /* Sx */
216 {mdoc_sy_pre, NULL}, /* Sy */
217 {NULL, NULL}, /* Tn */
218 {mdoc_xx_pre, NULL}, /* Ux */
219 {NULL, NULL}, /* Xc */
220 {NULL, NULL}, /* Xo */
221 {mdoc_fo_pre, mdoc_fo_post}, /* Fo */
222 {NULL, NULL}, /* Fc */
223 {mdoc_quote_pre, mdoc_quote_post}, /* Oo */
224 {NULL, NULL}, /* Oc */
225 {mdoc_bk_pre, mdoc_bk_post}, /* Bk */
226 {NULL, NULL}, /* Ek */
227 {mdoc_bt_pre, NULL}, /* Bt */
228 {NULL, NULL}, /* Hf */
229 {mdoc_em_pre, NULL}, /* Fr */
230 {mdoc_ud_pre, NULL}, /* Ud */
231 {mdoc_lb_pre, NULL}, /* Lb */
232 {mdoc_pp_pre, NULL}, /* Lp */
233 {mdoc_lk_pre, NULL}, /* Lk */
234 {mdoc_mt_pre, NULL}, /* Mt */
235 {mdoc_quote_pre, mdoc_quote_post}, /* Brq */
236 {mdoc_quote_pre, mdoc_quote_post}, /* Bro */
237 {NULL, NULL}, /* Brc */
238 {mdoc__x_pre, mdoc__x_post}, /* %C */
239 {mdoc_skip_pre, NULL}, /* Es */
240 {mdoc_quote_pre, mdoc_quote_post}, /* En */
241 {mdoc_xx_pre, NULL}, /* Dx */
242 {mdoc__x_pre, mdoc__x_post}, /* %Q */
243 {mdoc_sp_pre, NULL}, /* br */
244 {mdoc_sp_pre, NULL}, /* sp */
245 {mdoc__x_pre, mdoc__x_post}, /* %U */
246 {NULL, NULL}, /* Ta */
247 {mdoc_skip_pre, NULL}, /* ll */
248 };
249
250 static const char * const lists[LIST_MAX] = {
251 NULL,
252 "list-bul",
253 "list-col",
254 "list-dash",
255 "list-diag",
256 "list-enum",
257 "list-hang",
258 "list-hyph",
259 "list-inset",
260 "list-item",
261 "list-ohang",
262 "list-tag"
263 };
264
265
266 void
267 html_mdoc(void *arg, const struct mdoc *mdoc)
268 {
269
270 print_mdoc(mdoc_meta(mdoc), mdoc_node(mdoc),
271 (struct html *)arg);
272 putchar('\n');
273 }
274
275 /*
276 * Calculate the scaling unit passed in a `-width' argument. This uses
277 * either a native scaling unit (e.g., 1i, 2m) or the string length of
278 * the value.
279 */
280 static void
281 a2width(const char *p, struct roffsu *su)
282 {
283
284 if (a2roffsu(p, su, SCALE_MAX) < 2) {
285 su->unit = SCALE_EN;
286 su->scale = html_strlen(p);
287 } else if (su->scale < 0.0)
288 su->scale = 0.0;
289 }
290
291 /*
292 * See the same function in mdoc_term.c for documentation.
293 */
294 static void
295 synopsis_pre(struct html *h, const struct mdoc_node *n)
296 {
297
298 if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
299 return;
300
301 if (n->prev->tok == n->tok &&
302 MDOC_Fo != n->tok &&
303 MDOC_Ft != n->tok &&
304 MDOC_Fn != n->tok) {
305 print_otag(h, TAG_BR, 0, NULL);
306 return;
307 }
308
309 switch (n->prev->tok) {
310 case MDOC_Fd:
311 /* FALLTHROUGH */
312 case MDOC_Fn:
313 /* FALLTHROUGH */
314 case MDOC_Fo:
315 /* FALLTHROUGH */
316 case MDOC_In:
317 /* FALLTHROUGH */
318 case MDOC_Vt:
319 print_paragraph(h);
320 break;
321 case MDOC_Ft:
322 if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
323 print_paragraph(h);
324 break;
325 }
326 /* FALLTHROUGH */
327 default:
328 print_otag(h, TAG_BR, 0, NULL);
329 break;
330 }
331 }
332
333 static void
334 print_mdoc(MDOC_ARGS)
335 {
336 struct tag *t, *tt;
337 struct htmlpair tag;
338
339 PAIR_CLASS_INIT(&tag, "mandoc");
340
341 if ( ! (HTML_FRAGMENT & h->oflags)) {
342 print_gen_decls(h);
343 t = print_otag(h, TAG_HTML, 0, NULL);
344 tt = print_otag(h, TAG_HEAD, 0, NULL);
345 print_mdoc_head(meta, n, h);
346 print_tagq(h, tt);
347 print_otag(h, TAG_BODY, 0, NULL);
348 print_otag(h, TAG_DIV, 1, &tag);
349 } else
350 t = print_otag(h, TAG_DIV, 1, &tag);
351
352 print_mdoc_nodelist(meta, n, h);
353 print_tagq(h, t);
354 }
355
356 static void
357 print_mdoc_head(MDOC_ARGS)
358 {
359
360 print_gen_head(h);
361 bufinit(h);
362 bufcat(h, meta->title);
363 if (meta->msec)
364 bufcat_fmt(h, "(%s)", meta->msec);
365 if (meta->arch)
366 bufcat_fmt(h, " (%s)", meta->arch);
367
368 print_otag(h, TAG_TITLE, 0, NULL);
369 print_text(h, h->buf);
370 }
371
372 static void
373 print_mdoc_nodelist(MDOC_ARGS)
374 {
375
376 while (n != NULL) {
377 print_mdoc_node(meta, n, h);
378 n = n->next;
379 }
380 }
381
382 static void
383 print_mdoc_node(MDOC_ARGS)
384 {
385 int child;
386 struct tag *t;
387
388 child = 1;
389 t = h->tags.head;
390
391 switch (n->type) {
392 case MDOC_ROOT:
393 child = mdoc_root_pre(meta, n, h);
394 break;
395 case MDOC_TEXT:
396 /* No tables in this mode... */
397 assert(NULL == h->tblt);
398
399 /*
400 * Make sure that if we're in a literal mode already
401 * (i.e., within a <PRE>) don't print the newline.
402 */
403 if (' ' == *n->string && MDOC_LINE & n->flags)
404 if ( ! (HTML_LITERAL & h->flags))
405 print_otag(h, TAG_BR, 0, NULL);
406 if (MDOC_DELIMC & n->flags)
407 h->flags |= HTML_NOSPACE;
408 print_text(h, n->string);
409 if (MDOC_DELIMO & n->flags)
410 h->flags |= HTML_NOSPACE;
411 return;
412 case MDOC_EQN:
413 print_eqn(h, n->eqn);
414 break;
415 case MDOC_TBL:
416 /*
417 * This will take care of initialising all of the table
418 * state data for the first table, then tearing it down
419 * for the last one.
420 */
421 print_tbl(h, n->span);
422 return;
423 default:
424 /*
425 * Close out the current table, if it's open, and unset
426 * the "meta" table state. This will be reopened on the
427 * next table element.
428 */
429 if (h->tblt != NULL) {
430 print_tblclose(h);
431 t = h->tags.head;
432 }
433 assert(h->tblt == NULL);
434 if (mdocs[n->tok].pre && (n->end == ENDBODY_NOT || n->child))
435 child = (*mdocs[n->tok].pre)(meta, n, h);
436 break;
437 }
438
439 if (h->flags & HTML_KEEP && n->flags & MDOC_LINE) {
440 h->flags &= ~HTML_KEEP;
441 h->flags |= HTML_PREKEEP;
442 }
443
444 if (child && n->child)
445 print_mdoc_nodelist(meta, n->child, h);
446
447 print_stagq(h, t);
448
449 switch (n->type) {
450 case MDOC_ROOT:
451 mdoc_root_post(meta, n, h);
452 break;
453 case MDOC_EQN:
454 break;
455 default:
456 if ( ! mdocs[n->tok].post || n->flags & MDOC_ENDED)
457 break;
458 (*mdocs[n->tok].post)(meta, n, h);
459 if (n->end != ENDBODY_NOT)
460 n->pending->flags |= MDOC_ENDED;
461 if (n->end == ENDBODY_NOSPACE)
462 h->flags |= HTML_NOSPACE;
463 break;
464 }
465 }
466
467 static void
468 mdoc_root_post(MDOC_ARGS)
469 {
470 struct htmlpair tag;
471 struct tag *t, *tt;
472
473 PAIR_CLASS_INIT(&tag, "foot");
474 t = print_otag(h, TAG_TABLE, 1, &tag);
475
476 print_otag(h, TAG_TBODY, 0, NULL);
477
478 tt = print_otag(h, TAG_TR, 0, NULL);
479
480 PAIR_CLASS_INIT(&tag, "foot-date");
481 print_otag(h, TAG_TD, 1, &tag);
482 print_text(h, meta->date);
483 print_stagq(h, tt);
484
485 PAIR_CLASS_INIT(&tag, "foot-os");
486 print_otag(h, TAG_TD, 1, &tag);
487 print_text(h, meta->os);
488 print_tagq(h, t);
489 }
490
491 static int
492 mdoc_root_pre(MDOC_ARGS)
493 {
494 struct htmlpair tag;
495 struct tag *t, *tt;
496 char *volume, *title;
497
498 if (NULL == meta->arch)
499 volume = mandoc_strdup(meta->vol);
500 else
501 mandoc_asprintf(&volume, "%s (%s)",
502 meta->vol, meta->arch);
503
504 if (NULL == meta->msec)
505 title = mandoc_strdup(meta->title);
506 else
507 mandoc_asprintf(&title, "%s(%s)",
508 meta->title, meta->msec);
509
510 PAIR_CLASS_INIT(&tag, "head");
511 t = print_otag(h, TAG_TABLE, 1, &tag);
512
513 print_otag(h, TAG_TBODY, 0, NULL);
514
515 tt = print_otag(h, TAG_TR, 0, NULL);
516
517 PAIR_CLASS_INIT(&tag, "head-ltitle");
518 print_otag(h, TAG_TD, 1, &tag);
519 print_text(h, title);
520 print_stagq(h, tt);
521
522 PAIR_CLASS_INIT(&tag, "head-vol");
523 print_otag(h, TAG_TD, 1, &tag);
524 print_text(h, volume);
525 print_stagq(h, tt);
526
527 PAIR_CLASS_INIT(&tag, "head-rtitle");
528 print_otag(h, TAG_TD, 1, &tag);
529 print_text(h, title);
530 print_tagq(h, t);
531
532 free(title);
533 free(volume);
534 return(1);
535 }
536
537 static int
538 mdoc_sh_pre(MDOC_ARGS)
539 {
540 struct htmlpair tag;
541
542 switch (n->type) {
543 case MDOC_BLOCK:
544 PAIR_CLASS_INIT(&tag, "section");
545 print_otag(h, TAG_DIV, 1, &tag);
546 return(1);
547 case MDOC_BODY:
548 if (n->sec == SEC_AUTHORS)
549 h->flags &= ~(HTML_SPLIT|HTML_NOSPLIT);
550 return(1);
551 default:
552 break;
553 }
554
555 bufinit(h);
556 bufcat(h, "x");
557
558 for (n = n->child; n && MDOC_TEXT == n->type; ) {
559 bufcat_id(h, n->string);
560 if (NULL != (n = n->next))
561 bufcat_id(h, " ");
562 }
563
564 if (NULL == n) {
565 PAIR_ID_INIT(&tag, h->buf);
566 print_otag(h, TAG_H1, 1, &tag);
567 } else
568 print_otag(h, TAG_H1, 0, NULL);
569
570 return(1);
571 }
572
573 static int
574 mdoc_ss_pre(MDOC_ARGS)
575 {
576 struct htmlpair tag;
577
578 if (MDOC_BLOCK == n->type) {
579 PAIR_CLASS_INIT(&tag, "subsection");
580 print_otag(h, TAG_DIV, 1, &tag);
581 return(1);
582 } else if (MDOC_BODY == n->type)
583 return(1);
584
585 bufinit(h);
586 bufcat(h, "x");
587
588 for (n = n->child; n && MDOC_TEXT == n->type; ) {
589 bufcat_id(h, n->string);
590 if (NULL != (n = n->next))
591 bufcat_id(h, " ");
592 }
593
594 if (NULL == n) {
595 PAIR_ID_INIT(&tag, h->buf);
596 print_otag(h, TAG_H2, 1, &tag);
597 } else
598 print_otag(h, TAG_H2, 0, NULL);
599
600 return(1);
601 }
602
603 static int
604 mdoc_fl_pre(MDOC_ARGS)
605 {
606 struct htmlpair tag;
607
608 PAIR_CLASS_INIT(&tag, "flag");
609 print_otag(h, TAG_B, 1, &tag);
610
611 /* `Cm' has no leading hyphen. */
612
613 if (MDOC_Cm == n->tok)
614 return(1);
615
616 print_text(h, "\\-");
617
618 if ( ! (n->nchild == 0 &&
619 (n->next == NULL ||
620 n->next->type == MDOC_TEXT ||
621 n->next->flags & MDOC_LINE)))
622 h->flags |= HTML_NOSPACE;
623
624 return(1);
625 }
626
627 static int
628 mdoc_nd_pre(MDOC_ARGS)
629 {
630 struct htmlpair tag;
631
632 if (MDOC_BODY != n->type)
633 return(1);
634
635 /* XXX: this tag in theory can contain block elements. */
636
637 print_text(h, "\\(em");
638 PAIR_CLASS_INIT(&tag, "desc");
639 print_otag(h, TAG_SPAN, 1, &tag);
640 return(1);
641 }
642
643 static int
644 mdoc_nm_pre(MDOC_ARGS)
645 {
646 struct htmlpair tag;
647 struct roffsu su;
648 int len;
649
650 switch (n->type) {
651 case MDOC_ELEM:
652 synopsis_pre(h, n);
653 PAIR_CLASS_INIT(&tag, "name");
654 print_otag(h, TAG_B, 1, &tag);
655 if (NULL == n->child && meta->name)
656 print_text(h, meta->name);
657 return(1);
658 case MDOC_HEAD:
659 print_otag(h, TAG_TD, 0, NULL);
660 if (NULL == n->child && meta->name)
661 print_text(h, meta->name);
662 return(1);
663 case MDOC_BODY:
664 print_otag(h, TAG_TD, 0, NULL);
665 return(1);
666 default:
667 break;
668 }
669
670 synopsis_pre(h, n);
671 PAIR_CLASS_INIT(&tag, "synopsis");
672 print_otag(h, TAG_TABLE, 1, &tag);
673
674 for (len = 0, n = n->child; n; n = n->next)
675 if (MDOC_TEXT == n->type)
676 len += html_strlen(n->string);
677
678 if (0 == len && meta->name)
679 len = html_strlen(meta->name);
680
681 SCALE_HS_INIT(&su, len);
682 bufinit(h);
683 bufcat_su(h, "width", &su);
684 PAIR_STYLE_INIT(&tag, h);
685 print_otag(h, TAG_COL, 1, &tag);
686 print_otag(h, TAG_COL, 0, NULL);
687 print_otag(h, TAG_TBODY, 0, NULL);
688 print_otag(h, TAG_TR, 0, NULL);
689 return(1);
690 }
691
692 static int
693 mdoc_xr_pre(MDOC_ARGS)
694 {
695 struct htmlpair tag[2];
696
697 if (NULL == n->child)
698 return(0);
699
700 PAIR_CLASS_INIT(&tag[0], "link-man");
701
702 if (h->base_man) {
703 buffmt_man(h, n->child->string,
704 n->child->next ?
705 n->child->next->string : NULL);
706 PAIR_HREF_INIT(&tag[1], h->buf);
707 print_otag(h, TAG_A, 2, tag);
708 } else
709 print_otag(h, TAG_A, 1, tag);
710
711 n = n->child;
712 print_text(h, n->string);
713
714 if (NULL == (n = n->next))
715 return(0);
716
717 h->flags |= HTML_NOSPACE;
718 print_text(h, "(");
719 h->flags |= HTML_NOSPACE;
720 print_text(h, n->string);
721 h->flags |= HTML_NOSPACE;
722 print_text(h, ")");
723 return(0);
724 }
725
726 static int
727 mdoc_ns_pre(MDOC_ARGS)
728 {
729
730 if ( ! (MDOC_LINE & n->flags))
731 h->flags |= HTML_NOSPACE;
732 return(1);
733 }
734
735 static int
736 mdoc_ar_pre(MDOC_ARGS)
737 {
738 struct htmlpair tag;
739
740 PAIR_CLASS_INIT(&tag, "arg");
741 print_otag(h, TAG_I, 1, &tag);
742 return(1);
743 }
744
745 static int
746 mdoc_xx_pre(MDOC_ARGS)
747 {
748 const char *pp;
749 struct htmlpair tag;
750 int flags;
751
752 switch (n->tok) {
753 case MDOC_Bsx:
754 pp = "BSD/OS";
755 break;
756 case MDOC_Dx:
757 pp = "DragonFly";
758 break;
759 case MDOC_Fx:
760 pp = "FreeBSD";
761 break;
762 case MDOC_Nx:
763 pp = "NetBSD";
764 break;
765 case MDOC_Ox:
766 pp = "OpenBSD";
767 break;
768 case MDOC_Ux:
769 pp = "UNIX";
770 break;
771 default:
772 return(1);
773 }
774
775 PAIR_CLASS_INIT(&tag, "unix");
776 print_otag(h, TAG_SPAN, 1, &tag);
777
778 print_text(h, pp);
779 if (n->child) {
780 flags = h->flags;
781 h->flags |= HTML_KEEP;
782 print_text(h, n->child->string);
783 h->flags = flags;
784 }
785 return(0);
786 }
787
788 static int
789 mdoc_bx_pre(MDOC_ARGS)
790 {
791 struct htmlpair tag;
792
793 PAIR_CLASS_INIT(&tag, "unix");
794 print_otag(h, TAG_SPAN, 1, &tag);
795
796 if (NULL != (n = n->child)) {
797 print_text(h, n->string);
798 h->flags |= HTML_NOSPACE;
799 print_text(h, "BSD");
800 } else {
801 print_text(h, "BSD");
802 return(0);
803 }
804
805 if (NULL != (n = n->next)) {
806 h->flags |= HTML_NOSPACE;
807 print_text(h, "-");
808 h->flags |= HTML_NOSPACE;
809 print_text(h, n->string);
810 }
811
812 return(0);
813 }
814
815 static int
816 mdoc_it_pre(MDOC_ARGS)
817 {
818 struct roffsu su;
819 enum mdoc_list type;
820 struct htmlpair tag[2];
821 const struct mdoc_node *bl;
822
823 bl = n->parent;
824 while (bl && MDOC_Bl != bl->tok)
825 bl = bl->parent;
826
827 assert(bl);
828
829 type = bl->norm->Bl.type;
830
831 assert(lists[type]);
832 PAIR_CLASS_INIT(&tag[0], lists[type]);
833
834 bufinit(h);
835
836 if (MDOC_HEAD == n->type) {
837 switch (type) {
838 case LIST_bullet:
839 /* FALLTHROUGH */
840 case LIST_dash:
841 /* FALLTHROUGH */
842 case LIST_item:
843 /* FALLTHROUGH */
844 case LIST_hyphen:
845 /* FALLTHROUGH */
846 case LIST_enum:
847 return(0);
848 case LIST_diag:
849 /* FALLTHROUGH */
850 case LIST_hang:
851 /* FALLTHROUGH */
852 case LIST_inset:
853 /* FALLTHROUGH */
854 case LIST_ohang:
855 /* FALLTHROUGH */
856 case LIST_tag:
857 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
858 bufcat_su(h, "margin-top", &su);
859 PAIR_STYLE_INIT(&tag[1], h);
860 print_otag(h, TAG_DT, 2, tag);
861 if (LIST_diag != type)
862 break;
863 PAIR_CLASS_INIT(&tag[0], "diag");
864 print_otag(h, TAG_B, 1, tag);
865 break;
866 case LIST_column:
867 break;
868 default:
869 break;
870 }
871 } else if (MDOC_BODY == n->type) {
872 switch (type) {
873 case LIST_bullet:
874 /* FALLTHROUGH */
875 case LIST_hyphen:
876 /* FALLTHROUGH */
877 case LIST_dash:
878 /* FALLTHROUGH */
879 case LIST_enum:
880 /* FALLTHROUGH */
881 case LIST_item:
882 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
883 bufcat_su(h, "margin-top", &su);
884 PAIR_STYLE_INIT(&tag[1], h);
885 print_otag(h, TAG_LI, 2, tag);
886 break;
887 case LIST_diag:
888 /* FALLTHROUGH */
889 case LIST_hang:
890 /* FALLTHROUGH */
891 case LIST_inset:
892 /* FALLTHROUGH */
893 case LIST_ohang:
894 /* FALLTHROUGH */
895 case LIST_tag:
896 if (NULL == bl->norm->Bl.width) {
897 print_otag(h, TAG_DD, 1, tag);
898 break;
899 }
900 a2width(bl->norm->Bl.width, &su);
901 bufcat_su(h, "margin-left", &su);
902 PAIR_STYLE_INIT(&tag[1], h);
903 print_otag(h, TAG_DD, 2, tag);
904 break;
905 case LIST_column:
906 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
907 bufcat_su(h, "margin-top", &su);
908 PAIR_STYLE_INIT(&tag[1], h);
909 print_otag(h, TAG_TD, 2, tag);
910 break;
911 default:
912 break;
913 }
914 } else {
915 switch (type) {
916 case LIST_column:
917 print_otag(h, TAG_TR, 1, tag);
918 break;
919 default:
920 break;
921 }
922 }
923
924 return(1);
925 }
926
927 static int
928 mdoc_bl_pre(MDOC_ARGS)
929 {
930 int i;
931 struct htmlpair tag[3];
932 struct roffsu su;
933 char buf[BUFSIZ];
934
935 if (MDOC_BODY == n->type) {
936 if (LIST_column == n->norm->Bl.type)
937 print_otag(h, TAG_TBODY, 0, NULL);
938 return(1);
939 }
940
941 if (MDOC_HEAD == n->type) {
942 if (LIST_column != n->norm->Bl.type)
943 return(0);
944
945 /*
946 * For each column, print out the <COL> tag with our
947 * suggested width. The last column gets min-width, as
948 * in terminal mode it auto-sizes to the width of the
949 * screen and we want to preserve that behaviour.
950 */
951
952 for (i = 0; i < (int)n->norm->Bl.ncols; i++) {
953 bufinit(h);
954 a2width(n->norm->Bl.cols[i], &su);
955 if (i < (int)n->norm->Bl.ncols - 1)
956 bufcat_su(h, "width", &su);
957 else
958 bufcat_su(h, "min-width", &su);
959 PAIR_STYLE_INIT(&tag[0], h);
960 print_otag(h, TAG_COL, 1, tag);
961 }
962
963 return(0);
964 }
965
966 SCALE_VS_INIT(&su, 0);
967 bufinit(h);
968 bufcat_su(h, "margin-top", &su);
969 bufcat_su(h, "margin-bottom", &su);
970 PAIR_STYLE_INIT(&tag[0], h);
971
972 assert(lists[n->norm->Bl.type]);
973 (void)strlcpy(buf, "list ", BUFSIZ);
974 (void)strlcat(buf, lists[n->norm->Bl.type], BUFSIZ);
975 PAIR_INIT(&tag[1], ATTR_CLASS, buf);
976
977 /* Set the block's left-hand margin. */
978
979 if (n->norm->Bl.offs) {
980 a2width(n->norm->Bl.offs, &su);
981 bufcat_su(h, "margin-left", &su);
982 }
983
984 switch (n->norm->Bl.type) {
985 case LIST_bullet:
986 /* FALLTHROUGH */
987 case LIST_dash:
988 /* FALLTHROUGH */
989 case LIST_hyphen:
990 /* FALLTHROUGH */
991 case LIST_item:
992 print_otag(h, TAG_UL, 2, tag);
993 break;
994 case LIST_enum:
995 print_otag(h, TAG_OL, 2, tag);
996 break;
997 case LIST_diag:
998 /* FALLTHROUGH */
999 case LIST_hang:
1000 /* FALLTHROUGH */
1001 case LIST_inset:
1002 /* FALLTHROUGH */
1003 case LIST_ohang:
1004 /* FALLTHROUGH */
1005 case LIST_tag:
1006 print_otag(h, TAG_DL, 2, tag);
1007 break;
1008 case LIST_column:
1009 print_otag(h, TAG_TABLE, 2, tag);
1010 break;
1011 default:
1012 abort();
1013 /* NOTREACHED */
1014 }
1015
1016 return(1);
1017 }
1018
1019 static int
1020 mdoc_ex_pre(MDOC_ARGS)
1021 {
1022 struct tag *t;
1023 struct htmlpair tag;
1024 int nchild;
1025
1026 if (n->prev)
1027 print_otag(h, TAG_BR, 0, NULL);
1028
1029 PAIR_CLASS_INIT(&tag, "utility");
1030
1031 print_text(h, "The");
1032
1033 nchild = n->nchild;
1034 for (n = n->child; n; n = n->next) {
1035 assert(MDOC_TEXT == n->type);
1036
1037 t = print_otag(h, TAG_B, 1, &tag);
1038 print_text(h, n->string);
1039 print_tagq(h, t);
1040
1041 if (nchild > 2 && n->next) {
1042 h->flags |= HTML_NOSPACE;
1043 print_text(h, ",");
1044 }
1045
1046 if (n->next && NULL == n->next->next)
1047 print_text(h, "and");
1048 }
1049
1050 if (nchild > 1)
1051 print_text(h, "utilities exit\\~0");
1052 else
1053 print_text(h, "utility exits\\~0");
1054
1055 print_text(h, "on success, and\\~>0 if an error occurs.");
1056 return(0);
1057 }
1058
1059 static int
1060 mdoc_em_pre(MDOC_ARGS)
1061 {
1062 struct htmlpair tag;
1063
1064 PAIR_CLASS_INIT(&tag, "emph");
1065 print_otag(h, TAG_SPAN, 1, &tag);
1066 return(1);
1067 }
1068
1069 static int
1070 mdoc_d1_pre(MDOC_ARGS)
1071 {
1072 struct htmlpair tag[2];
1073 struct roffsu su;
1074
1075 if (MDOC_BLOCK != n->type)
1076 return(1);
1077
1078 SCALE_VS_INIT(&su, 0);
1079 bufinit(h);
1080 bufcat_su(h, "margin-top", &su);
1081 bufcat_su(h, "margin-bottom", &su);
1082 PAIR_STYLE_INIT(&tag[0], h);
1083 print_otag(h, TAG_BLOCKQUOTE, 1, tag);
1084
1085 /* BLOCKQUOTE needs a block body. */
1086
1087 PAIR_CLASS_INIT(&tag[0], "display");
1088 print_otag(h, TAG_DIV, 1, tag);
1089
1090 if (MDOC_Dl == n->tok) {
1091 PAIR_CLASS_INIT(&tag[0], "lit");
1092 print_otag(h, TAG_CODE, 1, tag);
1093 }
1094
1095 return(1);
1096 }
1097
1098 static int
1099 mdoc_sx_pre(MDOC_ARGS)
1100 {
1101 struct htmlpair tag[2];
1102
1103 bufinit(h);
1104 bufcat(h, "#x");
1105
1106 for (n = n->child; n; ) {
1107 bufcat_id(h, n->string);
1108 if (NULL != (n = n->next))
1109 bufcat_id(h, " ");
1110 }
1111
1112 PAIR_CLASS_INIT(&tag[0], "link-sec");
1113 PAIR_HREF_INIT(&tag[1], h->buf);
1114
1115 print_otag(h, TAG_I, 1, tag);
1116 print_otag(h, TAG_A, 2, tag);
1117 return(1);
1118 }
1119
1120 static int
1121 mdoc_bd_pre(MDOC_ARGS)
1122 {
1123 struct htmlpair tag[2];
1124 int comp, sv;
1125 const struct mdoc_node *nn;
1126 struct roffsu su;
1127
1128 if (MDOC_HEAD == n->type)
1129 return(0);
1130
1131 if (MDOC_BLOCK == n->type) {
1132 comp = n->norm->Bd.comp;
1133 for (nn = n; nn && ! comp; nn = nn->parent) {
1134 if (MDOC_BLOCK != nn->type)
1135 continue;
1136 if (MDOC_Ss == nn->tok || MDOC_Sh == nn->tok)
1137 comp = 1;
1138 if (nn->prev)
1139 break;
1140 }
1141 if ( ! comp)
1142 print_paragraph(h);
1143 return(1);
1144 }
1145
1146 /* Handle the -offset argument. */
1147
1148 if (n->norm->Bd.offs == NULL ||
1149 ! strcmp(n->norm->Bd.offs, "left"))
1150 SCALE_HS_INIT(&su, 0);
1151 else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1152 SCALE_HS_INIT(&su, INDENT);
1153 else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1154 SCALE_HS_INIT(&su, INDENT * 2);
1155 else
1156 a2width(n->norm->Bd.offs, &su);
1157
1158 bufinit(h);
1159 bufcat_su(h, "margin-left", &su);
1160 PAIR_STYLE_INIT(&tag[0], h);
1161
1162 if (DISP_unfilled != n->norm->Bd.type &&
1163 DISP_literal != n->norm->Bd.type) {
1164 PAIR_CLASS_INIT(&tag[1], "display");
1165 print_otag(h, TAG_DIV, 2, tag);
1166 return(1);
1167 }
1168
1169 PAIR_CLASS_INIT(&tag[1], "lit display");
1170 print_otag(h, TAG_PRE, 2, tag);
1171
1172 /* This can be recursive: save & set our literal state. */
1173
1174 sv = h->flags & HTML_LITERAL;
1175 h->flags |= HTML_LITERAL;
1176
1177 for (nn = n->child; nn; nn = nn->next) {
1178 print_mdoc_node(meta, nn, h);
1179 /*
1180 * If the printed node flushes its own line, then we
1181 * needn't do it here as well. This is hacky, but the
1182 * notion of selective eoln whitespace is pretty dumb
1183 * anyway, so don't sweat it.
1184 */
1185 switch (nn->tok) {
1186 case MDOC_Sm:
1187 /* FALLTHROUGH */
1188 case MDOC_br:
1189 /* FALLTHROUGH */
1190 case MDOC_sp:
1191 /* FALLTHROUGH */
1192 case MDOC_Bl:
1193 /* FALLTHROUGH */
1194 case MDOC_D1:
1195 /* FALLTHROUGH */
1196 case MDOC_Dl:
1197 /* FALLTHROUGH */
1198 case MDOC_Lp:
1199 /* FALLTHROUGH */
1200 case MDOC_Pp:
1201 continue;
1202 default:
1203 break;
1204 }
1205 if (h->flags & HTML_NONEWLINE ||
1206 (nn->next && ! (nn->next->flags & MDOC_LINE)))
1207 continue;
1208 else if (nn->next)
1209 print_text(h, "\n");
1210
1211 h->flags |= HTML_NOSPACE;
1212 }
1213
1214 if (0 == sv)
1215 h->flags &= ~HTML_LITERAL;
1216
1217 return(0);
1218 }
1219
1220 static int
1221 mdoc_pa_pre(MDOC_ARGS)
1222 {
1223 struct htmlpair tag;
1224
1225 PAIR_CLASS_INIT(&tag, "file");
1226 print_otag(h, TAG_I, 1, &tag);
1227 return(1);
1228 }
1229
1230 static int
1231 mdoc_ad_pre(MDOC_ARGS)
1232 {
1233 struct htmlpair tag;
1234
1235 PAIR_CLASS_INIT(&tag, "addr");
1236 print_otag(h, TAG_I, 1, &tag);
1237 return(1);
1238 }
1239
1240 static int
1241 mdoc_an_pre(MDOC_ARGS)
1242 {
1243 struct htmlpair tag;
1244
1245 if (n->norm->An.auth == AUTH_split) {
1246 h->flags &= ~HTML_NOSPLIT;
1247 h->flags |= HTML_SPLIT;
1248 return(0);
1249 }
1250 if (n->norm->An.auth == AUTH_nosplit) {
1251 h->flags &= ~HTML_SPLIT;
1252 h->flags |= HTML_NOSPLIT;
1253 return(0);
1254 }
1255
1256 if (n->child == NULL)
1257 return(0);
1258
1259 if (h->flags & HTML_SPLIT)
1260 print_otag(h, TAG_BR, 0, NULL);
1261
1262 if (n->sec == SEC_AUTHORS && ! (h->flags & HTML_NOSPLIT))
1263 h->flags |= HTML_SPLIT;
1264
1265 PAIR_CLASS_INIT(&tag, "author");
1266 print_otag(h, TAG_SPAN, 1, &tag);
1267 return(1);
1268 }
1269
1270 static int
1271 mdoc_cd_pre(MDOC_ARGS)
1272 {
1273 struct htmlpair tag;
1274
1275 synopsis_pre(h, n);
1276 PAIR_CLASS_INIT(&tag, "config");
1277 print_otag(h, TAG_B, 1, &tag);
1278 return(1);
1279 }
1280
1281 static int
1282 mdoc_dv_pre(MDOC_ARGS)
1283 {
1284 struct htmlpair tag;
1285
1286 PAIR_CLASS_INIT(&tag, "define");
1287 print_otag(h, TAG_SPAN, 1, &tag);
1288 return(1);
1289 }
1290
1291 static int
1292 mdoc_ev_pre(MDOC_ARGS)
1293 {
1294 struct htmlpair tag;
1295
1296 PAIR_CLASS_INIT(&tag, "env");
1297 print_otag(h, TAG_SPAN, 1, &tag);
1298 return(1);
1299 }
1300
1301 static int
1302 mdoc_er_pre(MDOC_ARGS)
1303 {
1304 struct htmlpair tag;
1305
1306 PAIR_CLASS_INIT(&tag, "errno");
1307 print_otag(h, TAG_SPAN, 1, &tag);
1308 return(1);
1309 }
1310
1311 static int
1312 mdoc_fa_pre(MDOC_ARGS)
1313 {
1314 const struct mdoc_node *nn;
1315 struct htmlpair tag;
1316 struct tag *t;
1317
1318 PAIR_CLASS_INIT(&tag, "farg");
1319 if (n->parent->tok != MDOC_Fo) {
1320 print_otag(h, TAG_I, 1, &tag);
1321 return(1);
1322 }
1323
1324 for (nn = n->child; nn; nn = nn->next) {
1325 t = print_otag(h, TAG_I, 1, &tag);
1326 print_text(h, nn->string);
1327 print_tagq(h, t);
1328 if (nn->next) {
1329 h->flags |= HTML_NOSPACE;
1330 print_text(h, ",");
1331 }
1332 }
1333
1334 if (n->child && n->next && n->next->tok == MDOC_Fa) {
1335 h->flags |= HTML_NOSPACE;
1336 print_text(h, ",");
1337 }
1338
1339 return(0);
1340 }
1341
1342 static int
1343 mdoc_fd_pre(MDOC_ARGS)
1344 {
1345 struct htmlpair tag[2];
1346 char buf[BUFSIZ];
1347 size_t sz;
1348 int i;
1349 struct tag *t;
1350
1351 synopsis_pre(h, n);
1352
1353 if (NULL == (n = n->child))
1354 return(0);
1355
1356 assert(MDOC_TEXT == n->type);
1357
1358 if (strcmp(n->string, "#include")) {
1359 PAIR_CLASS_INIT(&tag[0], "macro");
1360 print_otag(h, TAG_B, 1, tag);
1361 return(1);
1362 }
1363
1364 PAIR_CLASS_INIT(&tag[0], "includes");
1365 print_otag(h, TAG_B, 1, tag);
1366 print_text(h, n->string);
1367
1368 if (NULL != (n = n->next)) {
1369 assert(MDOC_TEXT == n->type);
1370
1371 /*
1372 * XXX This is broken and not easy to fix.
1373 * When using -Oincludes, truncation may occur.
1374 * Dynamic allocation wouldn't help because
1375 * passing long strings to buffmt_includes()
1376 * does not work either.
1377 */
1378
1379 strlcpy(buf, '<' == *n->string || '"' == *n->string ?
1380 n->string + 1 : n->string, BUFSIZ);
1381
1382 sz = strlen(buf);
1383 if (sz && ('>' == buf[sz - 1] || '"' == buf[sz - 1]))
1384 buf[sz - 1] = '\0';
1385
1386 PAIR_CLASS_INIT(&tag[0], "link-includes");
1387
1388 i = 1;
1389 if (h->base_includes) {
1390 buffmt_includes(h, buf);
1391 PAIR_HREF_INIT(&tag[i], h->buf);
1392 i++;
1393 }
1394
1395 t = print_otag(h, TAG_A, i, tag);
1396 print_text(h, n->string);
1397 print_tagq(h, t);
1398
1399 n = n->next;
1400 }
1401
1402 for ( ; n; n = n->next) {
1403 assert(MDOC_TEXT == n->type);
1404 print_text(h, n->string);
1405 }
1406
1407 return(0);
1408 }
1409
1410 static int
1411 mdoc_vt_pre(MDOC_ARGS)
1412 {
1413 struct htmlpair tag;
1414
1415 if (MDOC_BLOCK == n->type) {
1416 synopsis_pre(h, n);
1417 return(1);
1418 } else if (MDOC_ELEM == n->type) {
1419 synopsis_pre(h, n);
1420 } else if (MDOC_HEAD == n->type)
1421 return(0);
1422
1423 PAIR_CLASS_INIT(&tag, "type");
1424 print_otag(h, TAG_SPAN, 1, &tag);
1425 return(1);
1426 }
1427
1428 static int
1429 mdoc_ft_pre(MDOC_ARGS)
1430 {
1431 struct htmlpair tag;
1432
1433 synopsis_pre(h, n);
1434 PAIR_CLASS_INIT(&tag, "ftype");
1435 print_otag(h, TAG_I, 1, &tag);
1436 return(1);
1437 }
1438
1439 static int
1440 mdoc_fn_pre(MDOC_ARGS)
1441 {
1442 struct tag *t;
1443 struct htmlpair tag[2];
1444 char nbuf[BUFSIZ];
1445 const char *sp, *ep;
1446 int sz, i, pretty;
1447
1448 pretty = MDOC_SYNPRETTY & n->flags;
1449 synopsis_pre(h, n);
1450
1451 /* Split apart into type and name. */
1452 assert(n->child->string);
1453 sp = n->child->string;
1454
1455 ep = strchr(sp, ' ');
1456 if (NULL != ep) {
1457 PAIR_CLASS_INIT(&tag[0], "ftype");
1458 t = print_otag(h, TAG_I, 1, tag);
1459
1460 while (ep) {
1461 sz = MIN((int)(ep - sp), BUFSIZ - 1);
1462 (void)memcpy(nbuf, sp, (size_t)sz);
1463 nbuf[sz] = '\0';
1464 print_text(h, nbuf);
1465 sp = ++ep;
1466 ep = strchr(sp, ' ');
1467 }
1468 print_tagq(h, t);
1469 }
1470
1471 PAIR_CLASS_INIT(&tag[0], "fname");
1472
1473 /*
1474 * FIXME: only refer to IDs that we know exist.
1475 */
1476
1477 #if 0
1478 if (MDOC_SYNPRETTY & n->flags) {
1479 nbuf[0] = '\0';
1480 html_idcat(nbuf, sp, BUFSIZ);
1481 PAIR_ID_INIT(&tag[1], nbuf);
1482 } else {
1483 strlcpy(nbuf, "#", BUFSIZ);
1484 html_idcat(nbuf, sp, BUFSIZ);
1485 PAIR_HREF_INIT(&tag[1], nbuf);
1486 }
1487 #endif
1488
1489 t = print_otag(h, TAG_B, 1, tag);
1490
1491 if (sp)
1492 print_text(h, sp);
1493
1494 print_tagq(h, t);
1495
1496 h->flags |= HTML_NOSPACE;
1497 print_text(h, "(");
1498 h->flags |= HTML_NOSPACE;
1499
1500 PAIR_CLASS_INIT(&tag[0], "farg");
1501 bufinit(h);
1502 bufcat_style(h, "white-space", "nowrap");
1503 PAIR_STYLE_INIT(&tag[1], h);
1504
1505 for (n = n->child->next; n; n = n->next) {
1506 i = 1;
1507 if (MDOC_SYNPRETTY & n->flags)
1508 i = 2;
1509 t = print_otag(h, TAG_I, i, tag);
1510 print_text(h, n->string);
1511 print_tagq(h, t);
1512 if (n->next) {
1513 h->flags |= HTML_NOSPACE;
1514 print_text(h, ",");
1515 }
1516 }
1517
1518 h->flags |= HTML_NOSPACE;
1519 print_text(h, ")");
1520
1521 if (pretty) {
1522 h->flags |= HTML_NOSPACE;
1523 print_text(h, ";");
1524 }
1525
1526 return(0);
1527 }
1528
1529 static int
1530 mdoc_sm_pre(MDOC_ARGS)
1531 {
1532
1533 if (NULL == n->child)
1534 h->flags ^= HTML_NONOSPACE;
1535 else if (0 == strcmp("on", n->child->string))
1536 h->flags &= ~HTML_NONOSPACE;
1537 else
1538 h->flags |= HTML_NONOSPACE;
1539
1540 if ( ! (HTML_NONOSPACE & h->flags))
1541 h->flags &= ~HTML_NOSPACE;
1542
1543 return(0);
1544 }
1545
1546 static int
1547 mdoc_skip_pre(MDOC_ARGS)
1548 {
1549
1550 return(0);
1551 }
1552
1553 static int
1554 mdoc_pp_pre(MDOC_ARGS)
1555 {
1556
1557 print_paragraph(h);
1558 return(0);
1559 }
1560
1561 static int
1562 mdoc_sp_pre(MDOC_ARGS)
1563 {
1564 struct roffsu su;
1565 struct htmlpair tag;
1566
1567 SCALE_VS_INIT(&su, 1);
1568
1569 if (MDOC_sp == n->tok) {
1570 if (NULL != (n = n->child)) {
1571 if ( ! a2roffsu(n->string, &su, SCALE_VS))
1572 su.scale = 1.0;
1573 else if (su.scale < 0.0)
1574 su.scale = 0.0;
1575 }
1576 } else
1577 su.scale = 0.0;
1578
1579 bufinit(h);
1580 bufcat_su(h, "height", &su);
1581 PAIR_STYLE_INIT(&tag, h);
1582 print_otag(h, TAG_DIV, 1, &tag);
1583
1584 /* So the div isn't empty: */
1585 print_text(h, "\\~");
1586
1587 return(0);
1588
1589 }
1590
1591 static int
1592 mdoc_lk_pre(MDOC_ARGS)
1593 {
1594 struct htmlpair tag[2];
1595
1596 if (NULL == (n = n->child))
1597 return(0);
1598
1599 assert(MDOC_TEXT == n->type);
1600
1601 PAIR_CLASS_INIT(&tag[0], "link-ext");
1602 PAIR_HREF_INIT(&tag[1], n->string);
1603
1604 print_otag(h, TAG_A, 2, tag);
1605
1606 if (NULL == n->next)
1607 print_text(h, n->string);
1608
1609 for (n = n->next; n; n = n->next)
1610 print_text(h, n->string);
1611
1612 return(0);
1613 }
1614
1615 static int
1616 mdoc_mt_pre(MDOC_ARGS)
1617 {
1618 struct htmlpair tag[2];
1619 struct tag *t;
1620
1621 PAIR_CLASS_INIT(&tag[0], "link-mail");
1622
1623 for (n = n->child; n; n = n->next) {
1624 assert(MDOC_TEXT == n->type);
1625
1626 bufinit(h);
1627 bufcat(h, "mailto:");
1628 bufcat(h, n->string);
1629
1630 PAIR_HREF_INIT(&tag[1], h->buf);
1631 t = print_otag(h, TAG_A, 2, tag);
1632 print_text(h, n->string);
1633 print_tagq(h, t);
1634 }
1635
1636 return(0);
1637 }
1638
1639 static int
1640 mdoc_fo_pre(MDOC_ARGS)
1641 {
1642 struct htmlpair tag;
1643 struct tag *t;
1644
1645 if (MDOC_BODY == n->type) {
1646 h->flags |= HTML_NOSPACE;
1647 print_text(h, "(");
1648 h->flags |= HTML_NOSPACE;
1649 return(1);
1650 } else if (MDOC_BLOCK == n->type) {
1651 synopsis_pre(h, n);
1652 return(1);
1653 }
1654
1655 /* XXX: we drop non-initial arguments as per groff. */
1656
1657 assert(n->child);
1658 assert(n->child->string);
1659
1660 PAIR_CLASS_INIT(&tag, "fname");
1661 t = print_otag(h, TAG_B, 1, &tag);
1662 print_text(h, n->child->string);
1663 print_tagq(h, t);
1664 return(0);
1665 }
1666
1667 static void
1668 mdoc_fo_post(MDOC_ARGS)
1669 {
1670
1671 if (MDOC_BODY != n->type)
1672 return;
1673 h->flags |= HTML_NOSPACE;
1674 print_text(h, ")");
1675 h->flags |= HTML_NOSPACE;
1676 print_text(h, ";");
1677 }
1678
1679 static int
1680 mdoc_in_pre(MDOC_ARGS)
1681 {
1682 struct tag *t;
1683 struct htmlpair tag[2];
1684 int i;
1685
1686 synopsis_pre(h, n);
1687
1688 PAIR_CLASS_INIT(&tag[0], "includes");
1689 print_otag(h, TAG_B, 1, tag);
1690
1691 /*
1692 * The first argument of the `In' gets special treatment as
1693 * being a linked value. Subsequent values are printed
1694 * afterward. groff does similarly. This also handles the case
1695 * of no children.
1696 */
1697
1698 if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags)
1699 print_text(h, "#include");
1700
1701 print_text(h, "<");
1702 h->flags |= HTML_NOSPACE;
1703
1704 if (NULL != (n = n->child)) {
1705 assert(MDOC_TEXT == n->type);
1706
1707 PAIR_CLASS_INIT(&tag[0], "link-includes");
1708
1709 i = 1;
1710 if (h->base_includes) {
1711 buffmt_includes(h, n->string);
1712 PAIR_HREF_INIT(&tag[i], h->buf);
1713 i++;
1714 }
1715
1716 t = print_otag(h, TAG_A, i, tag);
1717 print_text(h, n->string);
1718 print_tagq(h, t);
1719
1720 n = n->next;
1721 }
1722
1723 h->flags |= HTML_NOSPACE;
1724 print_text(h, ">");
1725
1726 for ( ; n; n = n->next) {
1727 assert(MDOC_TEXT == n->type);
1728 print_text(h, n->string);
1729 }
1730
1731 return(0);
1732 }
1733
1734 static int
1735 mdoc_ic_pre(MDOC_ARGS)
1736 {
1737 struct htmlpair tag;
1738
1739 PAIR_CLASS_INIT(&tag, "cmd");
1740 print_otag(h, TAG_B, 1, &tag);
1741 return(1);
1742 }
1743
1744 static int
1745 mdoc_rv_pre(MDOC_ARGS)
1746 {
1747 struct htmlpair tag;
1748 struct tag *t;
1749 int nchild;
1750
1751 if (n->prev)
1752 print_otag(h, TAG_BR, 0, NULL);
1753
1754 PAIR_CLASS_INIT(&tag, "fname");
1755
1756 nchild = n->nchild;
1757 if (nchild > 0) {
1758 print_text(h, "The");
1759
1760 for (n = n->child; n; n = n->next) {
1761 t = print_otag(h, TAG_B, 1, &tag);
1762 print_text(h, n->string);
1763 print_tagq(h, t);
1764
1765 h->flags |= HTML_NOSPACE;
1766 print_text(h, "()");
1767
1768 if (n->next == NULL)
1769 continue;
1770
1771 if (nchild > 2) {
1772 h->flags |= HTML_NOSPACE;
1773 print_text(h, ",");
1774 }
1775 if (n->next->next == NULL)
1776 print_text(h, "and");
1777 }
1778
1779 if (nchild > 1)
1780 print_text(h, "functions return");
1781 else
1782 print_text(h, "function returns");
1783
1784 print_text(h, "the value\\~0 if successful;");
1785 } else
1786 print_text(h, "Upon successful completion,"
1787 " the value\\~0 is returned;");
1788
1789 print_text(h, "otherwise the value\\~\\-1 is returned"
1790 " and the global variable");
1791
1792 PAIR_CLASS_INIT(&tag, "var");
1793 t = print_otag(h, TAG_B, 1, &tag);
1794 print_text(h, "errno");
1795 print_tagq(h, t);
1796 print_text(h, "is set to indicate the error.");
1797 return(0);
1798 }
1799
1800 static int
1801 mdoc_va_pre(MDOC_ARGS)
1802 {
1803 struct htmlpair tag;
1804
1805 PAIR_CLASS_INIT(&tag, "var");
1806 print_otag(h, TAG_B, 1, &tag);
1807 return(1);
1808 }
1809
1810 static int
1811 mdoc_ap_pre(MDOC_ARGS)
1812 {
1813
1814 h->flags |= HTML_NOSPACE;
1815 print_text(h, "\\(aq");
1816 h->flags |= HTML_NOSPACE;
1817 return(1);
1818 }
1819
1820 static int
1821 mdoc_bf_pre(MDOC_ARGS)
1822 {
1823 struct htmlpair tag[2];
1824 struct roffsu su;
1825
1826 if (MDOC_HEAD == n->type)
1827 return(0);
1828 else if (MDOC_BODY != n->type)
1829 return(1);
1830
1831 if (FONT_Em == n->norm->Bf.font)
1832 PAIR_CLASS_INIT(&tag[0], "emph");
1833 else if (FONT_Sy == n->norm->Bf.font)
1834 PAIR_CLASS_INIT(&tag[0], "symb");
1835 else if (FONT_Li == n->norm->Bf.font)
1836 PAIR_CLASS_INIT(&tag[0], "lit");
1837 else
1838 PAIR_CLASS_INIT(&tag[0], "none");
1839
1840 /*
1841 * We want this to be inline-formatted, but needs to be div to
1842 * accept block children.
1843 */
1844 bufinit(h);
1845 bufcat_style(h, "display", "inline");
1846 SCALE_HS_INIT(&su, 1);
1847 /* Needs a left-margin for spacing. */
1848 bufcat_su(h, "margin-left", &su);
1849 PAIR_STYLE_INIT(&tag[1], h);
1850 print_otag(h, TAG_DIV, 2, tag);
1851 return(1);
1852 }
1853
1854 static int
1855 mdoc_ms_pre(MDOC_ARGS)
1856 {
1857 struct htmlpair tag;
1858
1859 PAIR_CLASS_INIT(&tag, "symb");
1860 print_otag(h, TAG_SPAN, 1, &tag);
1861 return(1);
1862 }
1863
1864 static int
1865 mdoc_igndelim_pre(MDOC_ARGS)
1866 {
1867
1868 h->flags |= HTML_IGNDELIM;
1869 return(1);
1870 }
1871
1872 static void
1873 mdoc_pf_post(MDOC_ARGS)
1874 {
1875
1876 if ( ! (n->next == NULL || n->next->flags & MDOC_LINE))
1877 h->flags |= HTML_NOSPACE;
1878 }
1879
1880 static int
1881 mdoc_rs_pre(MDOC_ARGS)
1882 {
1883 struct htmlpair tag;
1884
1885 if (MDOC_BLOCK != n->type)
1886 return(1);
1887
1888 if (n->prev && SEC_SEE_ALSO == n->sec)
1889 print_paragraph(h);
1890
1891 PAIR_CLASS_INIT(&tag, "ref");
1892 print_otag(h, TAG_SPAN, 1, &tag);
1893 return(1);
1894 }
1895
1896 static int
1897 mdoc_no_pre(MDOC_ARGS)
1898 {
1899 struct htmlpair tag;
1900
1901 PAIR_CLASS_INIT(&tag, "none");
1902 print_otag(h, TAG_CODE, 1, &tag);
1903 return(1);
1904 }
1905
1906 static int
1907 mdoc_li_pre(MDOC_ARGS)
1908 {
1909 struct htmlpair tag;
1910
1911 PAIR_CLASS_INIT(&tag, "lit");
1912 print_otag(h, TAG_CODE, 1, &tag);
1913 return(1);
1914 }
1915
1916 static int
1917 mdoc_sy_pre(MDOC_ARGS)
1918 {
1919 struct htmlpair tag;
1920
1921 PAIR_CLASS_INIT(&tag, "symb");
1922 print_otag(h, TAG_SPAN, 1, &tag);
1923 return(1);
1924 }
1925
1926 static int
1927 mdoc_bt_pre(MDOC_ARGS)
1928 {
1929
1930 print_text(h, "is currently in beta test.");
1931 return(0);
1932 }
1933
1934 static int
1935 mdoc_ud_pre(MDOC_ARGS)
1936 {
1937
1938 print_text(h, "currently under development.");
1939 return(0);
1940 }
1941
1942 static int
1943 mdoc_lb_pre(MDOC_ARGS)
1944 {
1945 struct htmlpair tag;
1946
1947 if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags && n->prev)
1948 print_otag(h, TAG_BR, 0, NULL);
1949
1950 PAIR_CLASS_INIT(&tag, "lib");
1951 print_otag(h, TAG_SPAN, 1, &tag);
1952 return(1);
1953 }
1954
1955 static int
1956 mdoc__x_pre(MDOC_ARGS)
1957 {
1958 struct htmlpair tag[2];
1959 enum htmltag t;
1960
1961 t = TAG_SPAN;
1962
1963 switch (n->tok) {
1964 case MDOC__A:
1965 PAIR_CLASS_INIT(&tag[0], "ref-auth");
1966 if (n->prev && MDOC__A == n->prev->tok)
1967 if (NULL == n->next || MDOC__A != n->next->tok)
1968 print_text(h, "and");
1969 break;
1970 case MDOC__B:
1971 PAIR_CLASS_INIT(&tag[0], "ref-book");
1972 t = TAG_I;
1973 break;
1974 case MDOC__C:
1975 PAIR_CLASS_INIT(&tag[0], "ref-city");
1976 break;
1977 case MDOC__D:
1978 PAIR_CLASS_INIT(&tag[0], "ref-date");
1979 break;
1980 case MDOC__I:
1981 PAIR_CLASS_INIT(&tag[0], "ref-issue");
1982 t = TAG_I;
1983 break;
1984 case MDOC__J:
1985 PAIR_CLASS_INIT(&tag[0], "ref-jrnl");
1986 t = TAG_I;
1987 break;
1988 case MDOC__N:
1989 PAIR_CLASS_INIT(&tag[0], "ref-num");
1990 break;
1991 case MDOC__O:
1992 PAIR_CLASS_INIT(&tag[0], "ref-opt");
1993 break;
1994 case MDOC__P:
1995 PAIR_CLASS_INIT(&tag[0], "ref-page");
1996 break;
1997 case MDOC__Q:
1998 PAIR_CLASS_INIT(&tag[0], "ref-corp");
1999 break;
2000 case MDOC__R:
2001 PAIR_CLASS_INIT(&tag[0], "ref-rep");
2002 break;
2003 case MDOC__T:
2004 PAIR_CLASS_INIT(&tag[0], "ref-title");
2005 break;
2006 case MDOC__U:
2007 PAIR_CLASS_INIT(&tag[0], "link-ref");
2008 break;
2009 case MDOC__V:
2010 PAIR_CLASS_INIT(&tag[0], "ref-vol");
2011 break;
2012 default:
2013 abort();
2014 /* NOTREACHED */
2015 }
2016
2017 if (MDOC__U != n->tok) {
2018 print_otag(h, t, 1, tag);
2019 return(1);
2020 }
2021
2022 PAIR_HREF_INIT(&tag[1], n->child->string);
2023 print_otag(h, TAG_A, 2, tag);
2024
2025 return(1);
2026 }
2027
2028 static void
2029 mdoc__x_post(MDOC_ARGS)
2030 {
2031
2032 if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2033 if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2034 if (NULL == n->prev || MDOC__A != n->prev->tok)
2035 return;
2036
2037 /* TODO: %U */
2038
2039 if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2040 return;
2041
2042 h->flags |= HTML_NOSPACE;
2043 print_text(h, n->next ? "," : ".");
2044 }
2045
2046 static int
2047 mdoc_bk_pre(MDOC_ARGS)
2048 {
2049
2050 switch (n->type) {
2051 case MDOC_BLOCK:
2052 break;
2053 case MDOC_HEAD:
2054 return(0);
2055 case MDOC_BODY:
2056 if (n->parent->args || 0 == n->prev->nchild)
2057 h->flags |= HTML_PREKEEP;
2058 break;
2059 default:
2060 abort();
2061 /* NOTREACHED */
2062 }
2063
2064 return(1);
2065 }
2066
2067 static void
2068 mdoc_bk_post(MDOC_ARGS)
2069 {
2070
2071 if (MDOC_BODY == n->type)
2072 h->flags &= ~(HTML_KEEP | HTML_PREKEEP);
2073 }
2074
2075 static int
2076 mdoc_quote_pre(MDOC_ARGS)
2077 {
2078 struct htmlpair tag;
2079
2080 if (MDOC_BODY != n->type)
2081 return(1);
2082
2083 switch (n->tok) {
2084 case MDOC_Ao:
2085 /* FALLTHROUGH */
2086 case MDOC_Aq:
2087 print_text(h, n->nchild == 1 &&
2088 n->child->tok == MDOC_Mt ? "<" : "\\(la");
2089 break;
2090 case MDOC_Bro:
2091 /* FALLTHROUGH */
2092 case MDOC_Brq:
2093 print_text(h, "\\(lC");
2094 break;
2095 case MDOC_Bo:
2096 /* FALLTHROUGH */
2097 case MDOC_Bq:
2098 print_text(h, "\\(lB");
2099 break;
2100 case MDOC_Oo:
2101 /* FALLTHROUGH */
2102 case MDOC_Op:
2103 print_text(h, "\\(lB");
2104 h->flags |= HTML_NOSPACE;
2105 PAIR_CLASS_INIT(&tag, "opt");
2106 print_otag(h, TAG_SPAN, 1, &tag);
2107 break;
2108 case MDOC_En:
2109 if (NULL == n->norm->Es ||
2110 NULL == n->norm->Es->child)
2111 return(1);
2112 print_text(h, n->norm->Es->child->string);
2113 break;
2114 case MDOC_Do:
2115 /* FALLTHROUGH */
2116 case MDOC_Dq:
2117 /* FALLTHROUGH */
2118 case MDOC_Qo:
2119 /* FALLTHROUGH */
2120 case MDOC_Qq:
2121 print_text(h, "\\(lq");
2122 break;
2123 case MDOC_Po:
2124 /* FALLTHROUGH */
2125 case MDOC_Pq:
2126 print_text(h, "(");
2127 break;
2128 case MDOC_Ql:
2129 print_text(h, "\\(oq");
2130 h->flags |= HTML_NOSPACE;
2131 PAIR_CLASS_INIT(&tag, "lit");
2132 print_otag(h, TAG_CODE, 1, &tag);
2133 break;
2134 case MDOC_So:
2135 /* FALLTHROUGH */
2136 case MDOC_Sq:
2137 print_text(h, "\\(oq");
2138 break;
2139 default:
2140 abort();
2141 /* NOTREACHED */
2142 }
2143
2144 h->flags |= HTML_NOSPACE;
2145 return(1);
2146 }
2147
2148 static void
2149 mdoc_quote_post(MDOC_ARGS)
2150 {
2151
2152 if (n->type != MDOC_BODY && n->type != MDOC_ELEM)
2153 return;
2154
2155 h->flags |= HTML_NOSPACE;
2156
2157 switch (n->tok) {
2158 case MDOC_Ao:
2159 /* FALLTHROUGH */
2160 case MDOC_Aq:
2161 print_text(h, n->nchild == 1 &&
2162 n->child->tok == MDOC_Mt ? ">" : "\\(ra");
2163 break;
2164 case MDOC_Bro:
2165 /* FALLTHROUGH */
2166 case MDOC_Brq:
2167 print_text(h, "\\(rC");
2168 break;
2169 case MDOC_Oo:
2170 /* FALLTHROUGH */
2171 case MDOC_Op:
2172 /* FALLTHROUGH */
2173 case MDOC_Bo:
2174 /* FALLTHROUGH */
2175 case MDOC_Bq:
2176 print_text(h, "\\(rB");
2177 break;
2178 case MDOC_En:
2179 if (n->norm->Es == NULL ||
2180 n->norm->Es->child == NULL ||
2181 n->norm->Es->child->next == NULL)
2182 h->flags &= ~HTML_NOSPACE;
2183 else
2184 print_text(h, n->norm->Es->child->next->string);
2185 break;
2186 case MDOC_Qo:
2187 /* FALLTHROUGH */
2188 case MDOC_Qq:
2189 /* FALLTHROUGH */
2190 case MDOC_Do:
2191 /* FALLTHROUGH */
2192 case MDOC_Dq:
2193 print_text(h, "\\(rq");
2194 break;
2195 case MDOC_Po:
2196 /* FALLTHROUGH */
2197 case MDOC_Pq:
2198 print_text(h, ")");
2199 break;
2200 case MDOC_Ql:
2201 /* FALLTHROUGH */
2202 case MDOC_So:
2203 /* FALLTHROUGH */
2204 case MDOC_Sq:
2205 print_text(h, "\\(cq");
2206 break;
2207 default:
2208 abort();
2209 /* NOTREACHED */
2210 }
2211 }
2212
2213 static int
2214 mdoc_eo_pre(MDOC_ARGS)
2215 {
2216
2217 if (n->type != MDOC_BODY)
2218 return(1);
2219
2220 if (n->end == ENDBODY_NOT &&
2221 n->parent->head->child == NULL &&
2222 n->child != NULL &&
2223 n->child->end != ENDBODY_NOT)
2224 print_text(h, "\\&");
2225 else if (n->end != ENDBODY_NOT ? n->child != NULL :
2226 n->parent->head->child != NULL &&
2227 (n->parent->body->child != NULL ||
2228 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 != MDOC_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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