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Major bugsquashing with respect to -offset and -width:
[mandoc.git] / mdoc_html.c
1 /* $Id: mdoc_html.c,v 1.209 2014/10/30 20:10:02 schwarze Exp $ */
2 /*
3 * Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
4 * Copyright (c) 2014 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.h"
30 #include "mandoc_aux.h"
31 #include "out.h"
32 #include "html.h"
33 #include "mdoc.h"
34 #include "main.h"
35
36 #define INDENT 5
37
38 #define MDOC_ARGS const struct mdoc_meta *meta, \
39 const struct mdoc_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 mdoc_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 int mdoc_er_pre(MDOC_ARGS);
86 static int mdoc_ev_pre(MDOC_ARGS);
87 static int mdoc_ex_pre(MDOC_ARGS);
88 static void mdoc_fo_post(MDOC_ARGS);
89 static int mdoc_fo_pre(MDOC_ARGS);
90 static int mdoc_ic_pre(MDOC_ARGS);
91 static int mdoc_igndelim_pre(MDOC_ARGS);
92 static int mdoc_in_pre(MDOC_ARGS);
93 static int mdoc_it_pre(MDOC_ARGS);
94 static int mdoc_lb_pre(MDOC_ARGS);
95 static int mdoc_li_pre(MDOC_ARGS);
96 static int mdoc_lk_pre(MDOC_ARGS);
97 static int mdoc_mt_pre(MDOC_ARGS);
98 static int mdoc_ms_pre(MDOC_ARGS);
99 static int mdoc_nd_pre(MDOC_ARGS);
100 static int mdoc_nm_pre(MDOC_ARGS);
101 static int mdoc_ns_pre(MDOC_ARGS);
102 static int mdoc_pa_pre(MDOC_ARGS);
103 static void mdoc_pf_post(MDOC_ARGS);
104 static int mdoc_pp_pre(MDOC_ARGS);
105 static void mdoc_quote_post(MDOC_ARGS);
106 static int mdoc_quote_pre(MDOC_ARGS);
107 static int mdoc_rs_pre(MDOC_ARGS);
108 static int mdoc_rv_pre(MDOC_ARGS);
109 static int mdoc_sh_pre(MDOC_ARGS);
110 static int mdoc_skip_pre(MDOC_ARGS);
111 static int mdoc_sm_pre(MDOC_ARGS);
112 static int mdoc_sp_pre(MDOC_ARGS);
113 static int mdoc_ss_pre(MDOC_ARGS);
114 static int mdoc_sx_pre(MDOC_ARGS);
115 static int mdoc_sy_pre(MDOC_ARGS);
116 static int mdoc_ud_pre(MDOC_ARGS);
117 static int mdoc_va_pre(MDOC_ARGS);
118 static int mdoc_vt_pre(MDOC_ARGS);
119 static int mdoc_xr_pre(MDOC_ARGS);
120 static int mdoc_xx_pre(MDOC_ARGS);
121
122 static const struct htmlmdoc mdocs[MDOC_MAX] = {
123 {mdoc_ap_pre, NULL}, /* Ap */
124 {NULL, NULL}, /* Dd */
125 {NULL, NULL}, /* Dt */
126 {NULL, NULL}, /* Os */
127 {mdoc_sh_pre, NULL }, /* Sh */
128 {mdoc_ss_pre, NULL }, /* Ss */
129 {mdoc_pp_pre, NULL}, /* Pp */
130 {mdoc_d1_pre, NULL}, /* D1 */
131 {mdoc_d1_pre, NULL}, /* Dl */
132 {mdoc_bd_pre, NULL}, /* Bd */
133 {NULL, NULL}, /* Ed */
134 {mdoc_bl_pre, NULL}, /* Bl */
135 {NULL, NULL}, /* El */
136 {mdoc_it_pre, NULL}, /* It */
137 {mdoc_ad_pre, NULL}, /* Ad */
138 {mdoc_an_pre, NULL}, /* An */
139 {mdoc_ar_pre, NULL}, /* Ar */
140 {mdoc_cd_pre, NULL}, /* Cd */
141 {mdoc_fl_pre, NULL}, /* Cm */
142 {mdoc_dv_pre, NULL}, /* Dv */
143 {mdoc_er_pre, NULL}, /* Er */
144 {mdoc_ev_pre, NULL}, /* Ev */
145 {mdoc_ex_pre, NULL}, /* Ex */
146 {mdoc_fa_pre, NULL}, /* Fa */
147 {mdoc_fd_pre, NULL}, /* Fd */
148 {mdoc_fl_pre, NULL}, /* Fl */
149 {mdoc_fn_pre, NULL}, /* Fn */
150 {mdoc_ft_pre, NULL}, /* Ft */
151 {mdoc_ic_pre, NULL}, /* Ic */
152 {mdoc_in_pre, NULL}, /* In */
153 {mdoc_li_pre, NULL}, /* Li */
154 {mdoc_nd_pre, NULL}, /* Nd */
155 {mdoc_nm_pre, NULL}, /* Nm */
156 {mdoc_quote_pre, mdoc_quote_post}, /* Op */
157 {mdoc_ft_pre, NULL}, /* Ot */
158 {mdoc_pa_pre, NULL}, /* Pa */
159 {mdoc_rv_pre, NULL}, /* Rv */
160 {NULL, NULL}, /* St */
161 {mdoc_va_pre, NULL}, /* Va */
162 {mdoc_vt_pre, NULL}, /* Vt */
163 {mdoc_xr_pre, NULL}, /* Xr */
164 {mdoc__x_pre, mdoc__x_post}, /* %A */
165 {mdoc__x_pre, mdoc__x_post}, /* %B */
166 {mdoc__x_pre, mdoc__x_post}, /* %D */
167 {mdoc__x_pre, mdoc__x_post}, /* %I */
168 {mdoc__x_pre, mdoc__x_post}, /* %J */
169 {mdoc__x_pre, mdoc__x_post}, /* %N */
170 {mdoc__x_pre, mdoc__x_post}, /* %O */
171 {mdoc__x_pre, mdoc__x_post}, /* %P */
172 {mdoc__x_pre, mdoc__x_post}, /* %R */
173 {mdoc__x_pre, mdoc__x_post}, /* %T */
174 {mdoc__x_pre, mdoc__x_post}, /* %V */
175 {NULL, NULL}, /* Ac */
176 {mdoc_quote_pre, mdoc_quote_post}, /* Ao */
177 {mdoc_quote_pre, mdoc_quote_post}, /* Aq */
178 {NULL, NULL}, /* At */
179 {NULL, NULL}, /* Bc */
180 {mdoc_bf_pre, NULL}, /* Bf */
181 {mdoc_quote_pre, mdoc_quote_post}, /* Bo */
182 {mdoc_quote_pre, mdoc_quote_post}, /* Bq */
183 {mdoc_xx_pre, NULL}, /* Bsx */
184 {mdoc_bx_pre, NULL}, /* Bx */
185 {NULL, NULL}, /* Db */
186 {NULL, NULL}, /* Dc */
187 {mdoc_quote_pre, mdoc_quote_post}, /* Do */
188 {mdoc_quote_pre, mdoc_quote_post}, /* Dq */
189 {NULL, NULL}, /* Ec */ /* FIXME: no space */
190 {NULL, NULL}, /* Ef */
191 {mdoc_em_pre, NULL}, /* Em */
192 {mdoc_quote_pre, mdoc_quote_post}, /* Eo */
193 {mdoc_xx_pre, NULL}, /* Fx */
194 {mdoc_ms_pre, NULL}, /* Ms */
195 {mdoc_igndelim_pre, NULL}, /* No */
196 {mdoc_ns_pre, NULL}, /* Ns */
197 {mdoc_xx_pre, NULL}, /* Nx */
198 {mdoc_xx_pre, NULL}, /* Ox */
199 {NULL, NULL}, /* Pc */
200 {mdoc_igndelim_pre, mdoc_pf_post}, /* Pf */
201 {mdoc_quote_pre, mdoc_quote_post}, /* Po */
202 {mdoc_quote_pre, mdoc_quote_post}, /* Pq */
203 {NULL, NULL}, /* Qc */
204 {mdoc_quote_pre, mdoc_quote_post}, /* Ql */
205 {mdoc_quote_pre, mdoc_quote_post}, /* Qo */
206 {mdoc_quote_pre, mdoc_quote_post}, /* Qq */
207 {NULL, NULL}, /* Re */
208 {mdoc_rs_pre, NULL}, /* Rs */
209 {NULL, NULL}, /* Sc */
210 {mdoc_quote_pre, mdoc_quote_post}, /* So */
211 {mdoc_quote_pre, mdoc_quote_post}, /* Sq */
212 {mdoc_sm_pre, NULL}, /* Sm */
213 {mdoc_sx_pre, NULL}, /* Sx */
214 {mdoc_sy_pre, NULL}, /* Sy */
215 {NULL, NULL}, /* Tn */
216 {mdoc_xx_pre, NULL}, /* Ux */
217 {NULL, NULL}, /* Xc */
218 {NULL, NULL}, /* Xo */
219 {mdoc_fo_pre, mdoc_fo_post}, /* Fo */
220 {NULL, NULL}, /* Fc */
221 {mdoc_quote_pre, mdoc_quote_post}, /* Oo */
222 {NULL, NULL}, /* Oc */
223 {mdoc_bk_pre, mdoc_bk_post}, /* Bk */
224 {NULL, NULL}, /* Ek */
225 {mdoc_bt_pre, NULL}, /* Bt */
226 {NULL, NULL}, /* Hf */
227 {mdoc_em_pre, NULL}, /* Fr */
228 {mdoc_ud_pre, NULL}, /* Ud */
229 {mdoc_lb_pre, NULL}, /* Lb */
230 {mdoc_pp_pre, NULL}, /* Lp */
231 {mdoc_lk_pre, NULL}, /* Lk */
232 {mdoc_mt_pre, NULL}, /* Mt */
233 {mdoc_quote_pre, mdoc_quote_post}, /* Brq */
234 {mdoc_quote_pre, mdoc_quote_post}, /* Bro */
235 {NULL, NULL}, /* Brc */
236 {mdoc__x_pre, mdoc__x_post}, /* %C */
237 {mdoc_skip_pre, NULL}, /* Es */
238 {mdoc_quote_pre, mdoc_quote_post}, /* En */
239 {mdoc_xx_pre, NULL}, /* Dx */
240 {mdoc__x_pre, mdoc__x_post}, /* %Q */
241 {mdoc_sp_pre, NULL}, /* br */
242 {mdoc_sp_pre, NULL}, /* sp */
243 {mdoc__x_pre, mdoc__x_post}, /* %U */
244 {NULL, NULL}, /* Ta */
245 {mdoc_skip_pre, NULL}, /* ll */
246 };
247
248 static const char * const lists[LIST_MAX] = {
249 NULL,
250 "list-bul",
251 "list-col",
252 "list-dash",
253 "list-diag",
254 "list-enum",
255 "list-hang",
256 "list-hyph",
257 "list-inset",
258 "list-item",
259 "list-ohang",
260 "list-tag"
261 };
262
263
264 void
265 html_mdoc(void *arg, const struct mdoc *mdoc)
266 {
267
268 print_mdoc(mdoc_meta(mdoc), mdoc_node(mdoc),
269 (struct html *)arg);
270 putchar('\n');
271 }
272
273 /*
274 * Calculate the scaling unit passed in a `-width' argument. This uses
275 * either a native scaling unit (e.g., 1i, 2m) or the string length of
276 * the value.
277 */
278 static void
279 a2width(const char *p, struct roffsu *su)
280 {
281
282 if ( ! a2roffsu(p, su, SCALE_MAX)) {
283 su->unit = SCALE_EN;
284 su->scale = html_strlen(p);
285 }
286 }
287
288 /*
289 * See the same function in mdoc_term.c for documentation.
290 */
291 static void
292 synopsis_pre(struct html *h, const struct mdoc_node *n)
293 {
294
295 if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
296 return;
297
298 if (n->prev->tok == n->tok &&
299 MDOC_Fo != n->tok &&
300 MDOC_Ft != n->tok &&
301 MDOC_Fn != n->tok) {
302 print_otag(h, TAG_BR, 0, NULL);
303 return;
304 }
305
306 switch (n->prev->tok) {
307 case MDOC_Fd:
308 /* FALLTHROUGH */
309 case MDOC_Fn:
310 /* FALLTHROUGH */
311 case MDOC_Fo:
312 /* FALLTHROUGH */
313 case MDOC_In:
314 /* FALLTHROUGH */
315 case MDOC_Vt:
316 print_paragraph(h);
317 break;
318 case MDOC_Ft:
319 if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
320 print_paragraph(h);
321 break;
322 }
323 /* FALLTHROUGH */
324 default:
325 print_otag(h, TAG_BR, 0, NULL);
326 break;
327 }
328 }
329
330 static void
331 print_mdoc(MDOC_ARGS)
332 {
333 struct tag *t, *tt;
334 struct htmlpair tag;
335
336 PAIR_CLASS_INIT(&tag, "mandoc");
337
338 if ( ! (HTML_FRAGMENT & h->oflags)) {
339 print_gen_decls(h);
340 t = print_otag(h, TAG_HTML, 0, NULL);
341 tt = print_otag(h, TAG_HEAD, 0, NULL);
342 print_mdoc_head(meta, n, h);
343 print_tagq(h, tt);
344 print_otag(h, TAG_BODY, 0, NULL);
345 print_otag(h, TAG_DIV, 1, &tag);
346 } else
347 t = print_otag(h, TAG_DIV, 1, &tag);
348
349 print_mdoc_nodelist(meta, n, h);
350 print_tagq(h, t);
351 }
352
353 static void
354 print_mdoc_head(MDOC_ARGS)
355 {
356
357 print_gen_head(h);
358 bufinit(h);
359 bufcat(h, meta->title);
360 if (meta->msec)
361 bufcat_fmt(h, "(%s)", meta->msec);
362 if (meta->arch)
363 bufcat_fmt(h, " (%s)", meta->arch);
364
365 print_otag(h, TAG_TITLE, 0, NULL);
366 print_text(h, h->buf);
367 }
368
369 static void
370 print_mdoc_nodelist(MDOC_ARGS)
371 {
372
373 print_mdoc_node(meta, n, h);
374 if (n->next)
375 print_mdoc_nodelist(meta, n->next, h);
376 }
377
378 static void
379 print_mdoc_node(MDOC_ARGS)
380 {
381 int child;
382 struct tag *t;
383
384 child = 1;
385 t = h->tags.head;
386
387 switch (n->type) {
388 case MDOC_ROOT:
389 child = mdoc_root_pre(meta, n, h);
390 break;
391 case MDOC_TEXT:
392 /* No tables in this mode... */
393 assert(NULL == h->tblt);
394
395 /*
396 * Make sure that if we're in a literal mode already
397 * (i.e., within a <PRE>) don't print the newline.
398 */
399 if (' ' == *n->string && MDOC_LINE & n->flags)
400 if ( ! (HTML_LITERAL & h->flags))
401 print_otag(h, TAG_BR, 0, NULL);
402 if (MDOC_DELIMC & n->flags)
403 h->flags |= HTML_NOSPACE;
404 print_text(h, n->string);
405 if (MDOC_DELIMO & n->flags)
406 h->flags |= HTML_NOSPACE;
407 return;
408 case MDOC_EQN:
409 print_eqn(h, n->eqn);
410 break;
411 case MDOC_TBL:
412 /*
413 * This will take care of initialising all of the table
414 * state data for the first table, then tearing it down
415 * for the last one.
416 */
417 print_tbl(h, n->span);
418 return;
419 default:
420 /*
421 * Close out the current table, if it's open, and unset
422 * the "meta" table state. This will be reopened on the
423 * next table element.
424 */
425 if (h->tblt) {
426 print_tblclose(h);
427 t = h->tags.head;
428 }
429
430 assert(NULL == h->tblt);
431 if (mdocs[n->tok].pre && ENDBODY_NOT == n->end)
432 child = (*mdocs[n->tok].pre)(meta, n, h);
433 break;
434 }
435
436 if (HTML_KEEP & h->flags) {
437 if (n->prev ? (n->prev->lastline != n->line) :
438 (n->parent && n->parent->line != n->line)) {
439 h->flags &= ~HTML_KEEP;
440 h->flags |= HTML_PREKEEP;
441 }
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 && ENDBODY_NOT == n->end)
457 (*mdocs[n->tok].post)(meta, n, h);
458 break;
459 }
460 }
461
462 static void
463 mdoc_root_post(MDOC_ARGS)
464 {
465 struct htmlpair tag;
466 struct tag *t, *tt;
467
468 PAIR_CLASS_INIT(&tag, "foot");
469 t = print_otag(h, TAG_TABLE, 1, &tag);
470
471 print_otag(h, TAG_TBODY, 0, NULL);
472
473 tt = print_otag(h, TAG_TR, 0, NULL);
474
475 PAIR_CLASS_INIT(&tag, "foot-date");
476 print_otag(h, TAG_TD, 1, &tag);
477 print_text(h, meta->date);
478 print_stagq(h, tt);
479
480 PAIR_CLASS_INIT(&tag, "foot-os");
481 print_otag(h, TAG_TD, 1, &tag);
482 print_text(h, meta->os);
483 print_tagq(h, t);
484 }
485
486 static int
487 mdoc_root_pre(MDOC_ARGS)
488 {
489 struct htmlpair tag;
490 struct tag *t, *tt;
491 char *volume, *title;
492
493 if (NULL == meta->arch)
494 volume = mandoc_strdup(meta->vol);
495 else
496 mandoc_asprintf(&volume, "%s (%s)",
497 meta->vol, meta->arch);
498
499 if (NULL == meta->msec)
500 title = mandoc_strdup(meta->title);
501 else
502 mandoc_asprintf(&title, "%s(%s)",
503 meta->title, meta->msec);
504
505 PAIR_CLASS_INIT(&tag, "head");
506 t = print_otag(h, TAG_TABLE, 1, &tag);
507
508 print_otag(h, TAG_TBODY, 0, NULL);
509
510 tt = print_otag(h, TAG_TR, 0, NULL);
511
512 PAIR_CLASS_INIT(&tag, "head-ltitle");
513 print_otag(h, TAG_TD, 1, &tag);
514 print_text(h, title);
515 print_stagq(h, tt);
516
517 PAIR_CLASS_INIT(&tag, "head-vol");
518 print_otag(h, TAG_TD, 1, &tag);
519 print_text(h, volume);
520 print_stagq(h, tt);
521
522 PAIR_CLASS_INIT(&tag, "head-rtitle");
523 print_otag(h, TAG_TD, 1, &tag);
524 print_text(h, title);
525 print_tagq(h, t);
526
527 free(title);
528 free(volume);
529 return(1);
530 }
531
532 static int
533 mdoc_sh_pre(MDOC_ARGS)
534 {
535 struct htmlpair tag;
536
537 switch (n->type) {
538 case MDOC_BLOCK:
539 PAIR_CLASS_INIT(&tag, "section");
540 print_otag(h, TAG_DIV, 1, &tag);
541 return(1);
542 case MDOC_BODY:
543 if (n->sec == SEC_AUTHORS)
544 h->flags &= ~(HTML_SPLIT|HTML_NOSPLIT);
545 return(1);
546 default:
547 break;
548 }
549
550 bufinit(h);
551 bufcat(h, "x");
552
553 for (n = n->child; n && MDOC_TEXT == n->type; ) {
554 bufcat_id(h, n->string);
555 if (NULL != (n = n->next))
556 bufcat_id(h, " ");
557 }
558
559 if (NULL == n) {
560 PAIR_ID_INIT(&tag, h->buf);
561 print_otag(h, TAG_H1, 1, &tag);
562 } else
563 print_otag(h, TAG_H1, 0, NULL);
564
565 return(1);
566 }
567
568 static int
569 mdoc_ss_pre(MDOC_ARGS)
570 {
571 struct htmlpair tag;
572
573 if (MDOC_BLOCK == n->type) {
574 PAIR_CLASS_INIT(&tag, "subsection");
575 print_otag(h, TAG_DIV, 1, &tag);
576 return(1);
577 } else if (MDOC_BODY == n->type)
578 return(1);
579
580 bufinit(h);
581 bufcat(h, "x");
582
583 for (n = n->child; n && MDOC_TEXT == n->type; ) {
584 bufcat_id(h, n->string);
585 if (NULL != (n = n->next))
586 bufcat_id(h, " ");
587 }
588
589 if (NULL == n) {
590 PAIR_ID_INIT(&tag, h->buf);
591 print_otag(h, TAG_H2, 1, &tag);
592 } else
593 print_otag(h, TAG_H2, 0, NULL);
594
595 return(1);
596 }
597
598 static int
599 mdoc_fl_pre(MDOC_ARGS)
600 {
601 struct htmlpair tag;
602
603 PAIR_CLASS_INIT(&tag, "flag");
604 print_otag(h, TAG_B, 1, &tag);
605
606 /* `Cm' has no leading hyphen. */
607
608 if (MDOC_Cm == n->tok)
609 return(1);
610
611 print_text(h, "\\-");
612
613 if ( ! (n->nchild == 0 &&
614 (n->next == NULL ||
615 n->next->type == MDOC_TEXT ||
616 n->next->flags & MDOC_LINE)))
617 h->flags |= HTML_NOSPACE;
618
619 return(1);
620 }
621
622 static int
623 mdoc_nd_pre(MDOC_ARGS)
624 {
625 struct htmlpair tag;
626
627 if (MDOC_BODY != n->type)
628 return(1);
629
630 /* XXX: this tag in theory can contain block elements. */
631
632 print_text(h, "\\(em");
633 PAIR_CLASS_INIT(&tag, "desc");
634 print_otag(h, TAG_SPAN, 1, &tag);
635 return(1);
636 }
637
638 static int
639 mdoc_nm_pre(MDOC_ARGS)
640 {
641 struct htmlpair tag;
642 struct roffsu su;
643 int len;
644
645 switch (n->type) {
646 case MDOC_ELEM:
647 synopsis_pre(h, n);
648 PAIR_CLASS_INIT(&tag, "name");
649 print_otag(h, TAG_B, 1, &tag);
650 if (NULL == n->child && meta->name)
651 print_text(h, meta->name);
652 return(1);
653 case MDOC_HEAD:
654 print_otag(h, TAG_TD, 0, NULL);
655 if (NULL == n->child && meta->name)
656 print_text(h, meta->name);
657 return(1);
658 case MDOC_BODY:
659 print_otag(h, TAG_TD, 0, NULL);
660 return(1);
661 default:
662 break;
663 }
664
665 synopsis_pre(h, n);
666 PAIR_CLASS_INIT(&tag, "synopsis");
667 print_otag(h, TAG_TABLE, 1, &tag);
668
669 for (len = 0, n = n->child; n; n = n->next)
670 if (MDOC_TEXT == n->type)
671 len += html_strlen(n->string);
672
673 if (0 == len && meta->name)
674 len = html_strlen(meta->name);
675
676 SCALE_HS_INIT(&su, len);
677 bufinit(h);
678 bufcat_su(h, "width", &su);
679 PAIR_STYLE_INIT(&tag, h);
680 print_otag(h, TAG_COL, 1, &tag);
681 print_otag(h, TAG_COL, 0, NULL);
682 print_otag(h, TAG_TBODY, 0, NULL);
683 print_otag(h, TAG_TR, 0, NULL);
684 return(1);
685 }
686
687 static int
688 mdoc_xr_pre(MDOC_ARGS)
689 {
690 struct htmlpair tag[2];
691
692 if (NULL == n->child)
693 return(0);
694
695 PAIR_CLASS_INIT(&tag[0], "link-man");
696
697 if (h->base_man) {
698 buffmt_man(h, n->child->string,
699 n->child->next ?
700 n->child->next->string : NULL);
701 PAIR_HREF_INIT(&tag[1], h->buf);
702 print_otag(h, TAG_A, 2, tag);
703 } else
704 print_otag(h, TAG_A, 1, tag);
705
706 n = n->child;
707 print_text(h, n->string);
708
709 if (NULL == (n = n->next))
710 return(0);
711
712 h->flags |= HTML_NOSPACE;
713 print_text(h, "(");
714 h->flags |= HTML_NOSPACE;
715 print_text(h, n->string);
716 h->flags |= HTML_NOSPACE;
717 print_text(h, ")");
718 return(0);
719 }
720
721 static int
722 mdoc_ns_pre(MDOC_ARGS)
723 {
724
725 if ( ! (MDOC_LINE & n->flags))
726 h->flags |= HTML_NOSPACE;
727 return(1);
728 }
729
730 static int
731 mdoc_ar_pre(MDOC_ARGS)
732 {
733 struct htmlpair tag;
734
735 PAIR_CLASS_INIT(&tag, "arg");
736 print_otag(h, TAG_I, 1, &tag);
737 return(1);
738 }
739
740 static int
741 mdoc_xx_pre(MDOC_ARGS)
742 {
743 const char *pp;
744 struct htmlpair tag;
745 int flags;
746
747 switch (n->tok) {
748 case MDOC_Bsx:
749 pp = "BSD/OS";
750 break;
751 case MDOC_Dx:
752 pp = "DragonFly";
753 break;
754 case MDOC_Fx:
755 pp = "FreeBSD";
756 break;
757 case MDOC_Nx:
758 pp = "NetBSD";
759 break;
760 case MDOC_Ox:
761 pp = "OpenBSD";
762 break;
763 case MDOC_Ux:
764 pp = "UNIX";
765 break;
766 default:
767 return(1);
768 }
769
770 PAIR_CLASS_INIT(&tag, "unix");
771 print_otag(h, TAG_SPAN, 1, &tag);
772
773 print_text(h, pp);
774 if (n->child) {
775 flags = h->flags;
776 h->flags |= HTML_KEEP;
777 print_text(h, n->child->string);
778 h->flags = flags;
779 }
780 return(0);
781 }
782
783 static int
784 mdoc_bx_pre(MDOC_ARGS)
785 {
786 struct htmlpair tag;
787
788 PAIR_CLASS_INIT(&tag, "unix");
789 print_otag(h, TAG_SPAN, 1, &tag);
790
791 if (NULL != (n = n->child)) {
792 print_text(h, n->string);
793 h->flags |= HTML_NOSPACE;
794 print_text(h, "BSD");
795 } else {
796 print_text(h, "BSD");
797 return(0);
798 }
799
800 if (NULL != (n = n->next)) {
801 h->flags |= HTML_NOSPACE;
802 print_text(h, "-");
803 h->flags |= HTML_NOSPACE;
804 print_text(h, n->string);
805 }
806
807 return(0);
808 }
809
810 static int
811 mdoc_it_pre(MDOC_ARGS)
812 {
813 struct roffsu su;
814 enum mdoc_list type;
815 struct htmlpair tag[2];
816 const struct mdoc_node *bl;
817
818 bl = n->parent;
819 while (bl && MDOC_Bl != bl->tok)
820 bl = bl->parent;
821
822 assert(bl);
823
824 type = bl->norm->Bl.type;
825
826 assert(lists[type]);
827 PAIR_CLASS_INIT(&tag[0], lists[type]);
828
829 bufinit(h);
830
831 if (MDOC_HEAD == n->type) {
832 switch (type) {
833 case LIST_bullet:
834 /* FALLTHROUGH */
835 case LIST_dash:
836 /* FALLTHROUGH */
837 case LIST_item:
838 /* FALLTHROUGH */
839 case LIST_hyphen:
840 /* FALLTHROUGH */
841 case LIST_enum:
842 return(0);
843 case LIST_diag:
844 /* FALLTHROUGH */
845 case LIST_hang:
846 /* FALLTHROUGH */
847 case LIST_inset:
848 /* FALLTHROUGH */
849 case LIST_ohang:
850 /* FALLTHROUGH */
851 case LIST_tag:
852 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
853 bufcat_su(h, "margin-top", &su);
854 PAIR_STYLE_INIT(&tag[1], h);
855 print_otag(h, TAG_DT, 2, tag);
856 if (LIST_diag != type)
857 break;
858 PAIR_CLASS_INIT(&tag[0], "diag");
859 print_otag(h, TAG_B, 1, tag);
860 break;
861 case LIST_column:
862 break;
863 default:
864 break;
865 }
866 } else if (MDOC_BODY == n->type) {
867 switch (type) {
868 case LIST_bullet:
869 /* FALLTHROUGH */
870 case LIST_hyphen:
871 /* FALLTHROUGH */
872 case LIST_dash:
873 /* FALLTHROUGH */
874 case LIST_enum:
875 /* FALLTHROUGH */
876 case LIST_item:
877 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
878 bufcat_su(h, "margin-top", &su);
879 PAIR_STYLE_INIT(&tag[1], h);
880 print_otag(h, TAG_LI, 2, tag);
881 break;
882 case LIST_diag:
883 /* FALLTHROUGH */
884 case LIST_hang:
885 /* FALLTHROUGH */
886 case LIST_inset:
887 /* FALLTHROUGH */
888 case LIST_ohang:
889 /* FALLTHROUGH */
890 case LIST_tag:
891 if (NULL == bl->norm->Bl.width) {
892 print_otag(h, TAG_DD, 1, tag);
893 break;
894 }
895 a2width(bl->norm->Bl.width, &su);
896 bufcat_su(h, "margin-left", &su);
897 PAIR_STYLE_INIT(&tag[1], h);
898 print_otag(h, TAG_DD, 2, tag);
899 break;
900 case LIST_column:
901 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
902 bufcat_su(h, "margin-top", &su);
903 PAIR_STYLE_INIT(&tag[1], h);
904 print_otag(h, TAG_TD, 2, tag);
905 break;
906 default:
907 break;
908 }
909 } else {
910 switch (type) {
911 case LIST_column:
912 print_otag(h, TAG_TR, 1, tag);
913 break;
914 default:
915 break;
916 }
917 }
918
919 return(1);
920 }
921
922 static int
923 mdoc_bl_pre(MDOC_ARGS)
924 {
925 int i;
926 struct htmlpair tag[3];
927 struct roffsu su;
928 char buf[BUFSIZ];
929
930 if (MDOC_BODY == n->type) {
931 if (LIST_column == n->norm->Bl.type)
932 print_otag(h, TAG_TBODY, 0, NULL);
933 return(1);
934 }
935
936 if (MDOC_HEAD == n->type) {
937 if (LIST_column != n->norm->Bl.type)
938 return(0);
939
940 /*
941 * For each column, print out the <COL> tag with our
942 * suggested width. The last column gets min-width, as
943 * in terminal mode it auto-sizes to the width of the
944 * screen and we want to preserve that behaviour.
945 */
946
947 for (i = 0; i < (int)n->norm->Bl.ncols; i++) {
948 bufinit(h);
949 a2width(n->norm->Bl.cols[i], &su);
950 if (i < (int)n->norm->Bl.ncols - 1)
951 bufcat_su(h, "width", &su);
952 else
953 bufcat_su(h, "min-width", &su);
954 PAIR_STYLE_INIT(&tag[0], h);
955 print_otag(h, TAG_COL, 1, tag);
956 }
957
958 return(0);
959 }
960
961 SCALE_VS_INIT(&su, 0);
962 bufinit(h);
963 bufcat_su(h, "margin-top", &su);
964 bufcat_su(h, "margin-bottom", &su);
965 PAIR_STYLE_INIT(&tag[0], h);
966
967 assert(lists[n->norm->Bl.type]);
968 (void)strlcpy(buf, "list ", BUFSIZ);
969 (void)strlcat(buf, lists[n->norm->Bl.type], BUFSIZ);
970 PAIR_INIT(&tag[1], ATTR_CLASS, buf);
971
972 /* Set the block's left-hand margin. */
973
974 if (n->norm->Bl.offs) {
975 a2width(n->norm->Bl.offs, &su);
976 bufcat_su(h, "margin-left", &su);
977 }
978
979 switch (n->norm->Bl.type) {
980 case LIST_bullet:
981 /* FALLTHROUGH */
982 case LIST_dash:
983 /* FALLTHROUGH */
984 case LIST_hyphen:
985 /* FALLTHROUGH */
986 case LIST_item:
987 print_otag(h, TAG_UL, 2, tag);
988 break;
989 case LIST_enum:
990 print_otag(h, TAG_OL, 2, tag);
991 break;
992 case LIST_diag:
993 /* FALLTHROUGH */
994 case LIST_hang:
995 /* FALLTHROUGH */
996 case LIST_inset:
997 /* FALLTHROUGH */
998 case LIST_ohang:
999 /* FALLTHROUGH */
1000 case LIST_tag:
1001 print_otag(h, TAG_DL, 2, tag);
1002 break;
1003 case LIST_column:
1004 print_otag(h, TAG_TABLE, 2, tag);
1005 break;
1006 default:
1007 abort();
1008 /* NOTREACHED */
1009 }
1010
1011 return(1);
1012 }
1013
1014 static int
1015 mdoc_ex_pre(MDOC_ARGS)
1016 {
1017 struct tag *t;
1018 struct htmlpair tag;
1019 int nchild;
1020
1021 if (n->prev)
1022 print_otag(h, TAG_BR, 0, NULL);
1023
1024 PAIR_CLASS_INIT(&tag, "utility");
1025
1026 print_text(h, "The");
1027
1028 nchild = n->nchild;
1029 for (n = n->child; n; n = n->next) {
1030 assert(MDOC_TEXT == n->type);
1031
1032 t = print_otag(h, TAG_B, 1, &tag);
1033 print_text(h, n->string);
1034 print_tagq(h, t);
1035
1036 if (nchild > 2 && n->next) {
1037 h->flags |= HTML_NOSPACE;
1038 print_text(h, ",");
1039 }
1040
1041 if (n->next && NULL == n->next->next)
1042 print_text(h, "and");
1043 }
1044
1045 if (nchild > 1)
1046 print_text(h, "utilities exit\\~0");
1047 else
1048 print_text(h, "utility exits\\~0");
1049
1050 print_text(h, "on success, and\\~>0 if an error occurs.");
1051 return(0);
1052 }
1053
1054 static int
1055 mdoc_em_pre(MDOC_ARGS)
1056 {
1057 struct htmlpair tag;
1058
1059 PAIR_CLASS_INIT(&tag, "emph");
1060 print_otag(h, TAG_SPAN, 1, &tag);
1061 return(1);
1062 }
1063
1064 static int
1065 mdoc_d1_pre(MDOC_ARGS)
1066 {
1067 struct htmlpair tag[2];
1068 struct roffsu su;
1069
1070 if (MDOC_BLOCK != n->type)
1071 return(1);
1072
1073 SCALE_VS_INIT(&su, 0);
1074 bufinit(h);
1075 bufcat_su(h, "margin-top", &su);
1076 bufcat_su(h, "margin-bottom", &su);
1077 PAIR_STYLE_INIT(&tag[0], h);
1078 print_otag(h, TAG_BLOCKQUOTE, 1, tag);
1079
1080 /* BLOCKQUOTE needs a block body. */
1081
1082 PAIR_CLASS_INIT(&tag[0], "display");
1083 print_otag(h, TAG_DIV, 1, tag);
1084
1085 if (MDOC_Dl == n->tok) {
1086 PAIR_CLASS_INIT(&tag[0], "lit");
1087 print_otag(h, TAG_CODE, 1, tag);
1088 }
1089
1090 return(1);
1091 }
1092
1093 static int
1094 mdoc_sx_pre(MDOC_ARGS)
1095 {
1096 struct htmlpair tag[2];
1097
1098 bufinit(h);
1099 bufcat(h, "#x");
1100
1101 for (n = n->child; n; ) {
1102 bufcat_id(h, n->string);
1103 if (NULL != (n = n->next))
1104 bufcat_id(h, " ");
1105 }
1106
1107 PAIR_CLASS_INIT(&tag[0], "link-sec");
1108 PAIR_HREF_INIT(&tag[1], h->buf);
1109
1110 print_otag(h, TAG_I, 1, tag);
1111 print_otag(h, TAG_A, 2, tag);
1112 return(1);
1113 }
1114
1115 static int
1116 mdoc_bd_pre(MDOC_ARGS)
1117 {
1118 struct htmlpair tag[2];
1119 int comp, sv;
1120 const struct mdoc_node *nn;
1121 struct roffsu su;
1122
1123 if (MDOC_HEAD == n->type)
1124 return(0);
1125
1126 if (MDOC_BLOCK == n->type) {
1127 comp = n->norm->Bd.comp;
1128 for (nn = n; nn && ! comp; nn = nn->parent) {
1129 if (MDOC_BLOCK != nn->type)
1130 continue;
1131 if (MDOC_Ss == nn->tok || MDOC_Sh == nn->tok)
1132 comp = 1;
1133 if (nn->prev)
1134 break;
1135 }
1136 if ( ! comp)
1137 print_paragraph(h);
1138 return(1);
1139 }
1140
1141 /* Handle the -offset argument. */
1142
1143 if (n->norm->Bd.offs == NULL ||
1144 ! strcmp(n->norm->Bd.offs, "left"))
1145 SCALE_HS_INIT(&su, 0);
1146 else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1147 SCALE_HS_INIT(&su, INDENT);
1148 else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1149 SCALE_HS_INIT(&su, INDENT * 2);
1150 else
1151 a2width(n->norm->Bd.offs, &su);
1152
1153 bufinit(h);
1154 bufcat_su(h, "margin-left", &su);
1155 PAIR_STYLE_INIT(&tag[0], h);
1156
1157 if (DISP_unfilled != n->norm->Bd.type &&
1158 DISP_literal != n->norm->Bd.type) {
1159 PAIR_CLASS_INIT(&tag[1], "display");
1160 print_otag(h, TAG_DIV, 2, tag);
1161 return(1);
1162 }
1163
1164 PAIR_CLASS_INIT(&tag[1], "lit display");
1165 print_otag(h, TAG_PRE, 2, tag);
1166
1167 /* This can be recursive: save & set our literal state. */
1168
1169 sv = h->flags & HTML_LITERAL;
1170 h->flags |= HTML_LITERAL;
1171
1172 for (nn = n->child; nn; nn = nn->next) {
1173 print_mdoc_node(meta, nn, h);
1174 /*
1175 * If the printed node flushes its own line, then we
1176 * needn't do it here as well. This is hacky, but the
1177 * notion of selective eoln whitespace is pretty dumb
1178 * anyway, so don't sweat it.
1179 */
1180 switch (nn->tok) {
1181 case MDOC_Sm:
1182 /* FALLTHROUGH */
1183 case MDOC_br:
1184 /* FALLTHROUGH */
1185 case MDOC_sp:
1186 /* FALLTHROUGH */
1187 case MDOC_Bl:
1188 /* FALLTHROUGH */
1189 case MDOC_D1:
1190 /* FALLTHROUGH */
1191 case MDOC_Dl:
1192 /* FALLTHROUGH */
1193 case MDOC_Lp:
1194 /* FALLTHROUGH */
1195 case MDOC_Pp:
1196 continue;
1197 default:
1198 break;
1199 }
1200 if (nn->next && nn->next->line == nn->line)
1201 continue;
1202 else if (nn->next)
1203 print_text(h, "\n");
1204
1205 h->flags |= HTML_NOSPACE;
1206 }
1207
1208 if (0 == sv)
1209 h->flags &= ~HTML_LITERAL;
1210
1211 return(0);
1212 }
1213
1214 static int
1215 mdoc_pa_pre(MDOC_ARGS)
1216 {
1217 struct htmlpair tag;
1218
1219 PAIR_CLASS_INIT(&tag, "file");
1220 print_otag(h, TAG_I, 1, &tag);
1221 return(1);
1222 }
1223
1224 static int
1225 mdoc_ad_pre(MDOC_ARGS)
1226 {
1227 struct htmlpair tag;
1228
1229 PAIR_CLASS_INIT(&tag, "addr");
1230 print_otag(h, TAG_I, 1, &tag);
1231 return(1);
1232 }
1233
1234 static int
1235 mdoc_an_pre(MDOC_ARGS)
1236 {
1237 struct htmlpair tag;
1238
1239 if (n->norm->An.auth == AUTH_split) {
1240 h->flags &= ~HTML_NOSPLIT;
1241 h->flags |= HTML_SPLIT;
1242 return(0);
1243 }
1244 if (n->norm->An.auth == AUTH_nosplit) {
1245 h->flags &= ~HTML_SPLIT;
1246 h->flags |= HTML_NOSPLIT;
1247 return(0);
1248 }
1249
1250 if (n->child == NULL)
1251 return(0);
1252
1253 if (h->flags & HTML_SPLIT)
1254 print_otag(h, TAG_BR, 0, NULL);
1255
1256 if (n->sec == SEC_AUTHORS && ! (h->flags & HTML_NOSPLIT))
1257 h->flags |= HTML_SPLIT;
1258
1259 PAIR_CLASS_INIT(&tag, "author");
1260 print_otag(h, TAG_SPAN, 1, &tag);
1261 return(1);
1262 }
1263
1264 static int
1265 mdoc_cd_pre(MDOC_ARGS)
1266 {
1267 struct htmlpair tag;
1268
1269 synopsis_pre(h, n);
1270 PAIR_CLASS_INIT(&tag, "config");
1271 print_otag(h, TAG_B, 1, &tag);
1272 return(1);
1273 }
1274
1275 static int
1276 mdoc_dv_pre(MDOC_ARGS)
1277 {
1278 struct htmlpair tag;
1279
1280 PAIR_CLASS_INIT(&tag, "define");
1281 print_otag(h, TAG_SPAN, 1, &tag);
1282 return(1);
1283 }
1284
1285 static int
1286 mdoc_ev_pre(MDOC_ARGS)
1287 {
1288 struct htmlpair tag;
1289
1290 PAIR_CLASS_INIT(&tag, "env");
1291 print_otag(h, TAG_SPAN, 1, &tag);
1292 return(1);
1293 }
1294
1295 static int
1296 mdoc_er_pre(MDOC_ARGS)
1297 {
1298 struct htmlpair tag;
1299
1300 PAIR_CLASS_INIT(&tag, "errno");
1301 print_otag(h, TAG_SPAN, 1, &tag);
1302 return(1);
1303 }
1304
1305 static int
1306 mdoc_fa_pre(MDOC_ARGS)
1307 {
1308 const struct mdoc_node *nn;
1309 struct htmlpair tag;
1310 struct tag *t;
1311
1312 PAIR_CLASS_INIT(&tag, "farg");
1313 if (n->parent->tok != MDOC_Fo) {
1314 print_otag(h, TAG_I, 1, &tag);
1315 return(1);
1316 }
1317
1318 for (nn = n->child; nn; nn = nn->next) {
1319 t = print_otag(h, TAG_I, 1, &tag);
1320 print_text(h, nn->string);
1321 print_tagq(h, t);
1322 if (nn->next) {
1323 h->flags |= HTML_NOSPACE;
1324 print_text(h, ",");
1325 }
1326 }
1327
1328 if (n->child && n->next && n->next->tok == MDOC_Fa) {
1329 h->flags |= HTML_NOSPACE;
1330 print_text(h, ",");
1331 }
1332
1333 return(0);
1334 }
1335
1336 static int
1337 mdoc_fd_pre(MDOC_ARGS)
1338 {
1339 struct htmlpair tag[2];
1340 char buf[BUFSIZ];
1341 size_t sz;
1342 int i;
1343 struct tag *t;
1344
1345 synopsis_pre(h, n);
1346
1347 if (NULL == (n = n->child))
1348 return(0);
1349
1350 assert(MDOC_TEXT == n->type);
1351
1352 if (strcmp(n->string, "#include")) {
1353 PAIR_CLASS_INIT(&tag[0], "macro");
1354 print_otag(h, TAG_B, 1, tag);
1355 return(1);
1356 }
1357
1358 PAIR_CLASS_INIT(&tag[0], "includes");
1359 print_otag(h, TAG_B, 1, tag);
1360 print_text(h, n->string);
1361
1362 if (NULL != (n = n->next)) {
1363 assert(MDOC_TEXT == n->type);
1364
1365 /*
1366 * XXX This is broken and not easy to fix.
1367 * When using -Oincludes, truncation may occur.
1368 * Dynamic allocation wouldn't help because
1369 * passing long strings to buffmt_includes()
1370 * does not work either.
1371 */
1372
1373 strlcpy(buf, '<' == *n->string || '"' == *n->string ?
1374 n->string + 1 : n->string, BUFSIZ);
1375
1376 sz = strlen(buf);
1377 if (sz && ('>' == buf[sz - 1] || '"' == buf[sz - 1]))
1378 buf[sz - 1] = '\0';
1379
1380 PAIR_CLASS_INIT(&tag[0], "link-includes");
1381
1382 i = 1;
1383 if (h->base_includes) {
1384 buffmt_includes(h, buf);
1385 PAIR_HREF_INIT(&tag[i], h->buf);
1386 i++;
1387 }
1388
1389 t = print_otag(h, TAG_A, i, tag);
1390 print_text(h, n->string);
1391 print_tagq(h, t);
1392
1393 n = n->next;
1394 }
1395
1396 for ( ; n; n = n->next) {
1397 assert(MDOC_TEXT == n->type);
1398 print_text(h, n->string);
1399 }
1400
1401 return(0);
1402 }
1403
1404 static int
1405 mdoc_vt_pre(MDOC_ARGS)
1406 {
1407 struct htmlpair tag;
1408
1409 if (MDOC_BLOCK == n->type) {
1410 synopsis_pre(h, n);
1411 return(1);
1412 } else if (MDOC_ELEM == n->type) {
1413 synopsis_pre(h, n);
1414 } else if (MDOC_HEAD == n->type)
1415 return(0);
1416
1417 PAIR_CLASS_INIT(&tag, "type");
1418 print_otag(h, TAG_SPAN, 1, &tag);
1419 return(1);
1420 }
1421
1422 static int
1423 mdoc_ft_pre(MDOC_ARGS)
1424 {
1425 struct htmlpair tag;
1426
1427 synopsis_pre(h, n);
1428 PAIR_CLASS_INIT(&tag, "ftype");
1429 print_otag(h, TAG_I, 1, &tag);
1430 return(1);
1431 }
1432
1433 static int
1434 mdoc_fn_pre(MDOC_ARGS)
1435 {
1436 struct tag *t;
1437 struct htmlpair tag[2];
1438 char nbuf[BUFSIZ];
1439 const char *sp, *ep;
1440 int sz, i, pretty;
1441
1442 pretty = MDOC_SYNPRETTY & n->flags;
1443 synopsis_pre(h, n);
1444
1445 /* Split apart into type and name. */
1446 assert(n->child->string);
1447 sp = n->child->string;
1448
1449 ep = strchr(sp, ' ');
1450 if (NULL != ep) {
1451 PAIR_CLASS_INIT(&tag[0], "ftype");
1452 t = print_otag(h, TAG_I, 1, tag);
1453
1454 while (ep) {
1455 sz = MIN((int)(ep - sp), BUFSIZ - 1);
1456 (void)memcpy(nbuf, sp, (size_t)sz);
1457 nbuf[sz] = '\0';
1458 print_text(h, nbuf);
1459 sp = ++ep;
1460 ep = strchr(sp, ' ');
1461 }
1462 print_tagq(h, t);
1463 }
1464
1465 PAIR_CLASS_INIT(&tag[0], "fname");
1466
1467 /*
1468 * FIXME: only refer to IDs that we know exist.
1469 */
1470
1471 #if 0
1472 if (MDOC_SYNPRETTY & n->flags) {
1473 nbuf[0] = '\0';
1474 html_idcat(nbuf, sp, BUFSIZ);
1475 PAIR_ID_INIT(&tag[1], nbuf);
1476 } else {
1477 strlcpy(nbuf, "#", BUFSIZ);
1478 html_idcat(nbuf, sp, BUFSIZ);
1479 PAIR_HREF_INIT(&tag[1], nbuf);
1480 }
1481 #endif
1482
1483 t = print_otag(h, TAG_B, 1, tag);
1484
1485 if (sp)
1486 print_text(h, sp);
1487
1488 print_tagq(h, t);
1489
1490 h->flags |= HTML_NOSPACE;
1491 print_text(h, "(");
1492 h->flags |= HTML_NOSPACE;
1493
1494 PAIR_CLASS_INIT(&tag[0], "farg");
1495 bufinit(h);
1496 bufcat_style(h, "white-space", "nowrap");
1497 PAIR_STYLE_INIT(&tag[1], h);
1498
1499 for (n = n->child->next; n; n = n->next) {
1500 i = 1;
1501 if (MDOC_SYNPRETTY & n->flags)
1502 i = 2;
1503 t = print_otag(h, TAG_I, i, tag);
1504 print_text(h, n->string);
1505 print_tagq(h, t);
1506 if (n->next) {
1507 h->flags |= HTML_NOSPACE;
1508 print_text(h, ",");
1509 }
1510 }
1511
1512 h->flags |= HTML_NOSPACE;
1513 print_text(h, ")");
1514
1515 if (pretty) {
1516 h->flags |= HTML_NOSPACE;
1517 print_text(h, ";");
1518 }
1519
1520 return(0);
1521 }
1522
1523 static int
1524 mdoc_sm_pre(MDOC_ARGS)
1525 {
1526
1527 if (NULL == n->child)
1528 h->flags ^= HTML_NONOSPACE;
1529 else if (0 == strcmp("on", n->child->string))
1530 h->flags &= ~HTML_NONOSPACE;
1531 else
1532 h->flags |= HTML_NONOSPACE;
1533
1534 if ( ! (HTML_NONOSPACE & h->flags))
1535 h->flags &= ~HTML_NOSPACE;
1536
1537 return(0);
1538 }
1539
1540 static int
1541 mdoc_skip_pre(MDOC_ARGS)
1542 {
1543
1544 return(0);
1545 }
1546
1547 static int
1548 mdoc_pp_pre(MDOC_ARGS)
1549 {
1550
1551 print_paragraph(h);
1552 return(0);
1553 }
1554
1555 static int
1556 mdoc_sp_pre(MDOC_ARGS)
1557 {
1558 struct roffsu su;
1559 struct htmlpair tag;
1560
1561 SCALE_VS_INIT(&su, 1);
1562
1563 if (MDOC_sp == n->tok) {
1564 if (NULL != (n = n->child))
1565 if ( ! a2roffsu(n->string, &su, SCALE_VS))
1566 SCALE_VS_INIT(&su, atoi(n->string));
1567 } else
1568 su.scale = 0.0;
1569
1570 bufinit(h);
1571 bufcat_su(h, "height", &su);
1572 PAIR_STYLE_INIT(&tag, h);
1573 print_otag(h, TAG_DIV, 1, &tag);
1574
1575 /* So the div isn't empty: */
1576 print_text(h, "\\~");
1577
1578 return(0);
1579
1580 }
1581
1582 static int
1583 mdoc_lk_pre(MDOC_ARGS)
1584 {
1585 struct htmlpair tag[2];
1586
1587 if (NULL == (n = n->child))
1588 return(0);
1589
1590 assert(MDOC_TEXT == n->type);
1591
1592 PAIR_CLASS_INIT(&tag[0], "link-ext");
1593 PAIR_HREF_INIT(&tag[1], n->string);
1594
1595 print_otag(h, TAG_A, 2, tag);
1596
1597 if (NULL == n->next)
1598 print_text(h, n->string);
1599
1600 for (n = n->next; n; n = n->next)
1601 print_text(h, n->string);
1602
1603 return(0);
1604 }
1605
1606 static int
1607 mdoc_mt_pre(MDOC_ARGS)
1608 {
1609 struct htmlpair tag[2];
1610 struct tag *t;
1611
1612 PAIR_CLASS_INIT(&tag[0], "link-mail");
1613
1614 for (n = n->child; n; n = n->next) {
1615 assert(MDOC_TEXT == n->type);
1616
1617 bufinit(h);
1618 bufcat(h, "mailto:");
1619 bufcat(h, n->string);
1620
1621 PAIR_HREF_INIT(&tag[1], h->buf);
1622 t = print_otag(h, TAG_A, 2, tag);
1623 print_text(h, n->string);
1624 print_tagq(h, t);
1625 }
1626
1627 return(0);
1628 }
1629
1630 static int
1631 mdoc_fo_pre(MDOC_ARGS)
1632 {
1633 struct htmlpair tag;
1634 struct tag *t;
1635
1636 if (MDOC_BODY == n->type) {
1637 h->flags |= HTML_NOSPACE;
1638 print_text(h, "(");
1639 h->flags |= HTML_NOSPACE;
1640 return(1);
1641 } else if (MDOC_BLOCK == n->type) {
1642 synopsis_pre(h, n);
1643 return(1);
1644 }
1645
1646 /* XXX: we drop non-initial arguments as per groff. */
1647
1648 assert(n->child);
1649 assert(n->child->string);
1650
1651 PAIR_CLASS_INIT(&tag, "fname");
1652 t = print_otag(h, TAG_B, 1, &tag);
1653 print_text(h, n->child->string);
1654 print_tagq(h, t);
1655 return(0);
1656 }
1657
1658 static void
1659 mdoc_fo_post(MDOC_ARGS)
1660 {
1661
1662 if (MDOC_BODY != n->type)
1663 return;
1664 h->flags |= HTML_NOSPACE;
1665 print_text(h, ")");
1666 h->flags |= HTML_NOSPACE;
1667 print_text(h, ";");
1668 }
1669
1670 static int
1671 mdoc_in_pre(MDOC_ARGS)
1672 {
1673 struct tag *t;
1674 struct htmlpair tag[2];
1675 int i;
1676
1677 synopsis_pre(h, n);
1678
1679 PAIR_CLASS_INIT(&tag[0], "includes");
1680 print_otag(h, TAG_B, 1, tag);
1681
1682 /*
1683 * The first argument of the `In' gets special treatment as
1684 * being a linked value. Subsequent values are printed
1685 * afterward. groff does similarly. This also handles the case
1686 * of no children.
1687 */
1688
1689 if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags)
1690 print_text(h, "#include");
1691
1692 print_text(h, "<");
1693 h->flags |= HTML_NOSPACE;
1694
1695 if (NULL != (n = n->child)) {
1696 assert(MDOC_TEXT == n->type);
1697
1698 PAIR_CLASS_INIT(&tag[0], "link-includes");
1699
1700 i = 1;
1701 if (h->base_includes) {
1702 buffmt_includes(h, n->string);
1703 PAIR_HREF_INIT(&tag[i], h->buf);
1704 i++;
1705 }
1706
1707 t = print_otag(h, TAG_A, i, tag);
1708 print_text(h, n->string);
1709 print_tagq(h, t);
1710
1711 n = n->next;
1712 }
1713
1714 h->flags |= HTML_NOSPACE;
1715 print_text(h, ">");
1716
1717 for ( ; n; n = n->next) {
1718 assert(MDOC_TEXT == n->type);
1719 print_text(h, n->string);
1720 }
1721
1722 return(0);
1723 }
1724
1725 static int
1726 mdoc_ic_pre(MDOC_ARGS)
1727 {
1728 struct htmlpair tag;
1729
1730 PAIR_CLASS_INIT(&tag, "cmd");
1731 print_otag(h, TAG_B, 1, &tag);
1732 return(1);
1733 }
1734
1735 static int
1736 mdoc_rv_pre(MDOC_ARGS)
1737 {
1738 struct htmlpair tag;
1739 struct tag *t;
1740 int nchild;
1741
1742 if (n->prev)
1743 print_otag(h, TAG_BR, 0, NULL);
1744
1745 PAIR_CLASS_INIT(&tag, "fname");
1746
1747 nchild = n->nchild;
1748 if (nchild > 0) {
1749 print_text(h, "The");
1750
1751 for (n = n->child; n; n = n->next) {
1752 t = print_otag(h, TAG_B, 1, &tag);
1753 print_text(h, n->string);
1754 print_tagq(h, t);
1755
1756 h->flags |= HTML_NOSPACE;
1757 print_text(h, "()");
1758
1759 if (n->next == NULL)
1760 continue;
1761
1762 if (nchild > 2) {
1763 h->flags |= HTML_NOSPACE;
1764 print_text(h, ",");
1765 }
1766 if (n->next->next == NULL)
1767 print_text(h, "and");
1768 }
1769
1770 if (nchild > 1)
1771 print_text(h, "functions return");
1772 else
1773 print_text(h, "function returns");
1774
1775 print_text(h, "the value\\~0 if successful;");
1776 } else
1777 print_text(h, "Upon successful completion,"
1778 " the value\\~0 is returned;");
1779
1780 print_text(h, "otherwise the value\\~\\-1 is returned"
1781 " and the global variable");
1782
1783 PAIR_CLASS_INIT(&tag, "var");
1784 t = print_otag(h, TAG_B, 1, &tag);
1785 print_text(h, "errno");
1786 print_tagq(h, t);
1787 print_text(h, "is set to indicate the error.");
1788 return(0);
1789 }
1790
1791 static int
1792 mdoc_va_pre(MDOC_ARGS)
1793 {
1794 struct htmlpair tag;
1795
1796 PAIR_CLASS_INIT(&tag, "var");
1797 print_otag(h, TAG_B, 1, &tag);
1798 return(1);
1799 }
1800
1801 static int
1802 mdoc_ap_pre(MDOC_ARGS)
1803 {
1804
1805 h->flags |= HTML_NOSPACE;
1806 print_text(h, "\\(aq");
1807 h->flags |= HTML_NOSPACE;
1808 return(1);
1809 }
1810
1811 static int
1812 mdoc_bf_pre(MDOC_ARGS)
1813 {
1814 struct htmlpair tag[2];
1815 struct roffsu su;
1816
1817 if (MDOC_HEAD == n->type)
1818 return(0);
1819 else if (MDOC_BODY != n->type)
1820 return(1);
1821
1822 if (FONT_Em == n->norm->Bf.font)
1823 PAIR_CLASS_INIT(&tag[0], "emph");
1824 else if (FONT_Sy == n->norm->Bf.font)
1825 PAIR_CLASS_INIT(&tag[0], "symb");
1826 else if (FONT_Li == n->norm->Bf.font)
1827 PAIR_CLASS_INIT(&tag[0], "lit");
1828 else
1829 PAIR_CLASS_INIT(&tag[0], "none");
1830
1831 /*
1832 * We want this to be inline-formatted, but needs to be div to
1833 * accept block children.
1834 */
1835 bufinit(h);
1836 bufcat_style(h, "display", "inline");
1837 SCALE_HS_INIT(&su, 1);
1838 /* Needs a left-margin for spacing. */
1839 bufcat_su(h, "margin-left", &su);
1840 PAIR_STYLE_INIT(&tag[1], h);
1841 print_otag(h, TAG_DIV, 2, tag);
1842 return(1);
1843 }
1844
1845 static int
1846 mdoc_ms_pre(MDOC_ARGS)
1847 {
1848 struct htmlpair tag;
1849
1850 PAIR_CLASS_INIT(&tag, "symb");
1851 print_otag(h, TAG_SPAN, 1, &tag);
1852 return(1);
1853 }
1854
1855 static int
1856 mdoc_igndelim_pre(MDOC_ARGS)
1857 {
1858
1859 h->flags |= HTML_IGNDELIM;
1860 return(1);
1861 }
1862
1863 static void
1864 mdoc_pf_post(MDOC_ARGS)
1865 {
1866
1867 h->flags |= HTML_NOSPACE;
1868 }
1869
1870 static int
1871 mdoc_rs_pre(MDOC_ARGS)
1872 {
1873 struct htmlpair tag;
1874
1875 if (MDOC_BLOCK != n->type)
1876 return(1);
1877
1878 if (n->prev && SEC_SEE_ALSO == n->sec)
1879 print_paragraph(h);
1880
1881 PAIR_CLASS_INIT(&tag, "ref");
1882 print_otag(h, TAG_SPAN, 1, &tag);
1883 return(1);
1884 }
1885
1886 static int
1887 mdoc_li_pre(MDOC_ARGS)
1888 {
1889 struct htmlpair tag;
1890
1891 PAIR_CLASS_INIT(&tag, "lit");
1892 print_otag(h, TAG_CODE, 1, &tag);
1893 return(1);
1894 }
1895
1896 static int
1897 mdoc_sy_pre(MDOC_ARGS)
1898 {
1899 struct htmlpair tag;
1900
1901 PAIR_CLASS_INIT(&tag, "symb");
1902 print_otag(h, TAG_SPAN, 1, &tag);
1903 return(1);
1904 }
1905
1906 static int
1907 mdoc_bt_pre(MDOC_ARGS)
1908 {
1909
1910 print_text(h, "is currently in beta test.");
1911 return(0);
1912 }
1913
1914 static int
1915 mdoc_ud_pre(MDOC_ARGS)
1916 {
1917
1918 print_text(h, "currently under development.");
1919 return(0);
1920 }
1921
1922 static int
1923 mdoc_lb_pre(MDOC_ARGS)
1924 {
1925 struct htmlpair tag;
1926
1927 if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags && n->prev)
1928 print_otag(h, TAG_BR, 0, NULL);
1929
1930 PAIR_CLASS_INIT(&tag, "lib");
1931 print_otag(h, TAG_SPAN, 1, &tag);
1932 return(1);
1933 }
1934
1935 static int
1936 mdoc__x_pre(MDOC_ARGS)
1937 {
1938 struct htmlpair tag[2];
1939 enum htmltag t;
1940
1941 t = TAG_SPAN;
1942
1943 switch (n->tok) {
1944 case MDOC__A:
1945 PAIR_CLASS_INIT(&tag[0], "ref-auth");
1946 if (n->prev && MDOC__A == n->prev->tok)
1947 if (NULL == n->next || MDOC__A != n->next->tok)
1948 print_text(h, "and");
1949 break;
1950 case MDOC__B:
1951 PAIR_CLASS_INIT(&tag[0], "ref-book");
1952 t = TAG_I;
1953 break;
1954 case MDOC__C:
1955 PAIR_CLASS_INIT(&tag[0], "ref-city");
1956 break;
1957 case MDOC__D:
1958 PAIR_CLASS_INIT(&tag[0], "ref-date");
1959 break;
1960 case MDOC__I:
1961 PAIR_CLASS_INIT(&tag[0], "ref-issue");
1962 t = TAG_I;
1963 break;
1964 case MDOC__J:
1965 PAIR_CLASS_INIT(&tag[0], "ref-jrnl");
1966 t = TAG_I;
1967 break;
1968 case MDOC__N:
1969 PAIR_CLASS_INIT(&tag[0], "ref-num");
1970 break;
1971 case MDOC__O:
1972 PAIR_CLASS_INIT(&tag[0], "ref-opt");
1973 break;
1974 case MDOC__P:
1975 PAIR_CLASS_INIT(&tag[0], "ref-page");
1976 break;
1977 case MDOC__Q:
1978 PAIR_CLASS_INIT(&tag[0], "ref-corp");
1979 break;
1980 case MDOC__R:
1981 PAIR_CLASS_INIT(&tag[0], "ref-rep");
1982 break;
1983 case MDOC__T:
1984 PAIR_CLASS_INIT(&tag[0], "ref-title");
1985 break;
1986 case MDOC__U:
1987 PAIR_CLASS_INIT(&tag[0], "link-ref");
1988 break;
1989 case MDOC__V:
1990 PAIR_CLASS_INIT(&tag[0], "ref-vol");
1991 break;
1992 default:
1993 abort();
1994 /* NOTREACHED */
1995 }
1996
1997 if (MDOC__U != n->tok) {
1998 print_otag(h, t, 1, tag);
1999 return(1);
2000 }
2001
2002 PAIR_HREF_INIT(&tag[1], n->child->string);
2003 print_otag(h, TAG_A, 2, tag);
2004
2005 return(1);
2006 }
2007
2008 static void
2009 mdoc__x_post(MDOC_ARGS)
2010 {
2011
2012 if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2013 if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2014 if (NULL == n->prev || MDOC__A != n->prev->tok)
2015 return;
2016
2017 /* TODO: %U */
2018
2019 if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2020 return;
2021
2022 h->flags |= HTML_NOSPACE;
2023 print_text(h, n->next ? "," : ".");
2024 }
2025
2026 static int
2027 mdoc_bk_pre(MDOC_ARGS)
2028 {
2029
2030 switch (n->type) {
2031 case MDOC_BLOCK:
2032 break;
2033 case MDOC_HEAD:
2034 return(0);
2035 case MDOC_BODY:
2036 if (n->parent->args || 0 == n->prev->nchild)
2037 h->flags |= HTML_PREKEEP;
2038 break;
2039 default:
2040 abort();
2041 /* NOTREACHED */
2042 }
2043
2044 return(1);
2045 }
2046
2047 static void
2048 mdoc_bk_post(MDOC_ARGS)
2049 {
2050
2051 if (MDOC_BODY == n->type)
2052 h->flags &= ~(HTML_KEEP | HTML_PREKEEP);
2053 }
2054
2055 static int
2056 mdoc_quote_pre(MDOC_ARGS)
2057 {
2058 struct htmlpair tag;
2059
2060 if (MDOC_BODY != n->type)
2061 return(1);
2062
2063 switch (n->tok) {
2064 case MDOC_Ao:
2065 /* FALLTHROUGH */
2066 case MDOC_Aq:
2067 print_text(h, "\\(la");
2068 break;
2069 case MDOC_Bro:
2070 /* FALLTHROUGH */
2071 case MDOC_Brq:
2072 print_text(h, "\\(lC");
2073 break;
2074 case MDOC_Bo:
2075 /* FALLTHROUGH */
2076 case MDOC_Bq:
2077 print_text(h, "\\(lB");
2078 break;
2079 case MDOC_Oo:
2080 /* FALLTHROUGH */
2081 case MDOC_Op:
2082 print_text(h, "\\(lB");
2083 h->flags |= HTML_NOSPACE;
2084 PAIR_CLASS_INIT(&tag, "opt");
2085 print_otag(h, TAG_SPAN, 1, &tag);
2086 break;
2087 case MDOC_En:
2088 if (NULL == n->norm->Es ||
2089 NULL == n->norm->Es->child)
2090 return(1);
2091 print_text(h, n->norm->Es->child->string);
2092 break;
2093 case MDOC_Eo:
2094 break;
2095 case MDOC_Do:
2096 /* FALLTHROUGH */
2097 case MDOC_Dq:
2098 /* FALLTHROUGH */
2099 case MDOC_Qo:
2100 /* FALLTHROUGH */
2101 case MDOC_Qq:
2102 print_text(h, "\\(lq");
2103 break;
2104 case MDOC_Po:
2105 /* FALLTHROUGH */
2106 case MDOC_Pq:
2107 print_text(h, "(");
2108 break;
2109 case MDOC_Ql:
2110 print_text(h, "\\(oq");
2111 h->flags |= HTML_NOSPACE;
2112 PAIR_CLASS_INIT(&tag, "lit");
2113 print_otag(h, TAG_CODE, 1, &tag);
2114 break;
2115 case MDOC_So:
2116 /* FALLTHROUGH */
2117 case MDOC_Sq:
2118 print_text(h, "\\(oq");
2119 break;
2120 default:
2121 abort();
2122 /* NOTREACHED */
2123 }
2124
2125 h->flags |= HTML_NOSPACE;
2126 return(1);
2127 }
2128
2129 static void
2130 mdoc_quote_post(MDOC_ARGS)
2131 {
2132
2133 if (MDOC_BODY != n->type)
2134 return;
2135
2136 if (MDOC_En != n->tok)
2137 h->flags |= HTML_NOSPACE;
2138
2139 switch (n->tok) {
2140 case MDOC_Ao:
2141 /* FALLTHROUGH */
2142 case MDOC_Aq:
2143 print_text(h, "\\(ra");
2144 break;
2145 case MDOC_Bro:
2146 /* FALLTHROUGH */
2147 case MDOC_Brq:
2148 print_text(h, "\\(rC");
2149 break;
2150 case MDOC_Oo:
2151 /* FALLTHROUGH */
2152 case MDOC_Op:
2153 /* FALLTHROUGH */
2154 case MDOC_Bo:
2155 /* FALLTHROUGH */
2156 case MDOC_Bq:
2157 print_text(h, "\\(rB");
2158 break;
2159 case MDOC_En:
2160 if (NULL != n->norm->Es &&
2161 NULL != n->norm->Es->child &&
2162 NULL != n->norm->Es->child->next) {
2163 h->flags |= HTML_NOSPACE;
2164 print_text(h, n->norm->Es->child->next->string);
2165 }
2166 break;
2167 case MDOC_Eo:
2168 break;
2169 case MDOC_Qo:
2170 /* FALLTHROUGH */
2171 case MDOC_Qq:
2172 /* FALLTHROUGH */
2173 case MDOC_Do:
2174 /* FALLTHROUGH */
2175 case MDOC_Dq:
2176 print_text(h, "\\(rq");
2177 break;
2178 case MDOC_Po:
2179 /* FALLTHROUGH */
2180 case MDOC_Pq:
2181 print_text(h, ")");
2182 break;
2183 case MDOC_Ql:
2184 /* FALLTHROUGH */
2185 case MDOC_So:
2186 /* FALLTHROUGH */
2187 case MDOC_Sq:
2188 print_text(h, "\\(cq");
2189 break;
2190 default:
2191 abort();
2192 /* NOTREACHED */
2193 }
2194 }
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