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[mandoc.git] / mdoc_html.c
1 /* $Id: mdoc_html.c,v 1.238 2015/10/12 00:08:15 schwarze Exp $ */
2 /*
3 * Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
4 * Copyright (c) 2014, 2015 Ingo Schwarze <schwarze@openbsd.org>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18 #include "config.h"
19
20 #include <sys/types.h>
21
22 #include <assert.h>
23 #include <ctype.h>
24 #include <stdio.h>
25 #include <stdlib.h>
26 #include <string.h>
27 #include <unistd.h>
28
29 #include "mandoc_aux.h"
30 #include "roff.h"
31 #include "mdoc.h"
32 #include "out.h"
33 #include "html.h"
34 #include "main.h"
35
36 #define INDENT 5
37
38 #define MDOC_ARGS const struct roff_meta *meta, \
39 struct roff_node *n, \
40 struct html *h
41
42 #ifndef MIN
43 #define MIN(a,b) ((/*CONSTCOND*/(a)<(b))?(a):(b))
44 #endif
45
46 struct htmlmdoc {
47 int (*pre)(MDOC_ARGS);
48 void (*post)(MDOC_ARGS);
49 };
50
51 static void print_mdoc_head(MDOC_ARGS);
52 static void print_mdoc_node(MDOC_ARGS);
53 static void print_mdoc_nodelist(MDOC_ARGS);
54 static void synopsis_pre(struct html *,
55 const struct roff_node *);
56
57 static void a2width(const char *, struct roffsu *);
58
59 static void mdoc_root_post(MDOC_ARGS);
60 static int mdoc_root_pre(MDOC_ARGS);
61
62 static void mdoc__x_post(MDOC_ARGS);
63 static int mdoc__x_pre(MDOC_ARGS);
64 static int mdoc_ad_pre(MDOC_ARGS);
65 static int mdoc_an_pre(MDOC_ARGS);
66 static int mdoc_ap_pre(MDOC_ARGS);
67 static int mdoc_ar_pre(MDOC_ARGS);
68 static int mdoc_bd_pre(MDOC_ARGS);
69 static int mdoc_bf_pre(MDOC_ARGS);
70 static void mdoc_bk_post(MDOC_ARGS);
71 static int mdoc_bk_pre(MDOC_ARGS);
72 static int mdoc_bl_pre(MDOC_ARGS);
73 static int mdoc_bt_pre(MDOC_ARGS);
74 static int mdoc_bx_pre(MDOC_ARGS);
75 static int mdoc_cd_pre(MDOC_ARGS);
76 static int mdoc_d1_pre(MDOC_ARGS);
77 static int mdoc_dv_pre(MDOC_ARGS);
78 static int mdoc_fa_pre(MDOC_ARGS);
79 static int mdoc_fd_pre(MDOC_ARGS);
80 static int mdoc_fl_pre(MDOC_ARGS);
81 static int mdoc_fn_pre(MDOC_ARGS);
82 static int mdoc_ft_pre(MDOC_ARGS);
83 static int mdoc_em_pre(MDOC_ARGS);
84 static void mdoc_eo_post(MDOC_ARGS);
85 static int mdoc_eo_pre(MDOC_ARGS);
86 static int mdoc_er_pre(MDOC_ARGS);
87 static int mdoc_ev_pre(MDOC_ARGS);
88 static int mdoc_ex_pre(MDOC_ARGS);
89 static void mdoc_fo_post(MDOC_ARGS);
90 static int mdoc_fo_pre(MDOC_ARGS);
91 static int mdoc_ic_pre(MDOC_ARGS);
92 static int mdoc_igndelim_pre(MDOC_ARGS);
93 static int mdoc_in_pre(MDOC_ARGS);
94 static int mdoc_it_pre(MDOC_ARGS);
95 static int mdoc_lb_pre(MDOC_ARGS);
96 static int mdoc_li_pre(MDOC_ARGS);
97 static int mdoc_lk_pre(MDOC_ARGS);
98 static int mdoc_mt_pre(MDOC_ARGS);
99 static int mdoc_ms_pre(MDOC_ARGS);
100 static int mdoc_nd_pre(MDOC_ARGS);
101 static int mdoc_nm_pre(MDOC_ARGS);
102 static int mdoc_no_pre(MDOC_ARGS);
103 static int mdoc_ns_pre(MDOC_ARGS);
104 static int mdoc_pa_pre(MDOC_ARGS);
105 static void mdoc_pf_post(MDOC_ARGS);
106 static int mdoc_pp_pre(MDOC_ARGS);
107 static void mdoc_quote_post(MDOC_ARGS);
108 static int mdoc_quote_pre(MDOC_ARGS);
109 static int mdoc_rs_pre(MDOC_ARGS);
110 static int mdoc_rv_pre(MDOC_ARGS);
111 static int mdoc_sh_pre(MDOC_ARGS);
112 static int mdoc_skip_pre(MDOC_ARGS);
113 static int mdoc_sm_pre(MDOC_ARGS);
114 static int mdoc_sp_pre(MDOC_ARGS);
115 static int mdoc_ss_pre(MDOC_ARGS);
116 static int mdoc_sx_pre(MDOC_ARGS);
117 static int mdoc_sy_pre(MDOC_ARGS);
118 static int mdoc_ud_pre(MDOC_ARGS);
119 static int mdoc_va_pre(MDOC_ARGS);
120 static int mdoc_vt_pre(MDOC_ARGS);
121 static int mdoc_xr_pre(MDOC_ARGS);
122 static int mdoc_xx_pre(MDOC_ARGS);
123
124 static const struct htmlmdoc mdocs[MDOC_MAX] = {
125 {mdoc_ap_pre, NULL}, /* Ap */
126 {NULL, NULL}, /* Dd */
127 {NULL, NULL}, /* Dt */
128 {NULL, NULL}, /* Os */
129 {mdoc_sh_pre, NULL }, /* Sh */
130 {mdoc_ss_pre, NULL }, /* Ss */
131 {mdoc_pp_pre, NULL}, /* Pp */
132 {mdoc_d1_pre, NULL}, /* D1 */
133 {mdoc_d1_pre, NULL}, /* Dl */
134 {mdoc_bd_pre, NULL}, /* Bd */
135 {NULL, NULL}, /* Ed */
136 {mdoc_bl_pre, NULL}, /* Bl */
137 {NULL, NULL}, /* El */
138 {mdoc_it_pre, NULL}, /* It */
139 {mdoc_ad_pre, NULL}, /* Ad */
140 {mdoc_an_pre, NULL}, /* An */
141 {mdoc_ar_pre, NULL}, /* Ar */
142 {mdoc_cd_pre, NULL}, /* Cd */
143 {mdoc_fl_pre, NULL}, /* Cm */
144 {mdoc_dv_pre, NULL}, /* Dv */
145 {mdoc_er_pre, NULL}, /* Er */
146 {mdoc_ev_pre, NULL}, /* Ev */
147 {mdoc_ex_pre, NULL}, /* Ex */
148 {mdoc_fa_pre, NULL}, /* Fa */
149 {mdoc_fd_pre, NULL}, /* Fd */
150 {mdoc_fl_pre, NULL}, /* Fl */
151 {mdoc_fn_pre, NULL}, /* Fn */
152 {mdoc_ft_pre, NULL}, /* Ft */
153 {mdoc_ic_pre, NULL}, /* Ic */
154 {mdoc_in_pre, NULL}, /* In */
155 {mdoc_li_pre, NULL}, /* Li */
156 {mdoc_nd_pre, NULL}, /* Nd */
157 {mdoc_nm_pre, NULL}, /* Nm */
158 {mdoc_quote_pre, mdoc_quote_post}, /* Op */
159 {mdoc_ft_pre, NULL}, /* Ot */
160 {mdoc_pa_pre, NULL}, /* Pa */
161 {mdoc_rv_pre, NULL}, /* Rv */
162 {NULL, NULL}, /* St */
163 {mdoc_va_pre, NULL}, /* Va */
164 {mdoc_vt_pre, NULL}, /* Vt */
165 {mdoc_xr_pre, NULL}, /* Xr */
166 {mdoc__x_pre, mdoc__x_post}, /* %A */
167 {mdoc__x_pre, mdoc__x_post}, /* %B */
168 {mdoc__x_pre, mdoc__x_post}, /* %D */
169 {mdoc__x_pre, mdoc__x_post}, /* %I */
170 {mdoc__x_pre, mdoc__x_post}, /* %J */
171 {mdoc__x_pre, mdoc__x_post}, /* %N */
172 {mdoc__x_pre, mdoc__x_post}, /* %O */
173 {mdoc__x_pre, mdoc__x_post}, /* %P */
174 {mdoc__x_pre, mdoc__x_post}, /* %R */
175 {mdoc__x_pre, mdoc__x_post}, /* %T */
176 {mdoc__x_pre, mdoc__x_post}, /* %V */
177 {NULL, NULL}, /* Ac */
178 {mdoc_quote_pre, mdoc_quote_post}, /* Ao */
179 {mdoc_quote_pre, mdoc_quote_post}, /* Aq */
180 {NULL, NULL}, /* At */
181 {NULL, NULL}, /* Bc */
182 {mdoc_bf_pre, NULL}, /* Bf */
183 {mdoc_quote_pre, mdoc_quote_post}, /* Bo */
184 {mdoc_quote_pre, mdoc_quote_post}, /* Bq */
185 {mdoc_xx_pre, NULL}, /* Bsx */
186 {mdoc_bx_pre, NULL}, /* Bx */
187 {mdoc_skip_pre, NULL}, /* Db */
188 {NULL, NULL}, /* Dc */
189 {mdoc_quote_pre, mdoc_quote_post}, /* Do */
190 {mdoc_quote_pre, mdoc_quote_post}, /* Dq */
191 {NULL, NULL}, /* Ec */ /* FIXME: no space */
192 {NULL, NULL}, /* Ef */
193 {mdoc_em_pre, NULL}, /* Em */
194 {mdoc_eo_pre, mdoc_eo_post}, /* Eo */
195 {mdoc_xx_pre, NULL}, /* Fx */
196 {mdoc_ms_pre, NULL}, /* Ms */
197 {mdoc_no_pre, NULL}, /* No */
198 {mdoc_ns_pre, NULL}, /* Ns */
199 {mdoc_xx_pre, NULL}, /* Nx */
200 {mdoc_xx_pre, NULL}, /* Ox */
201 {NULL, NULL}, /* Pc */
202 {mdoc_igndelim_pre, mdoc_pf_post}, /* Pf */
203 {mdoc_quote_pre, mdoc_quote_post}, /* Po */
204 {mdoc_quote_pre, mdoc_quote_post}, /* Pq */
205 {NULL, NULL}, /* Qc */
206 {mdoc_quote_pre, mdoc_quote_post}, /* Ql */
207 {mdoc_quote_pre, mdoc_quote_post}, /* Qo */
208 {mdoc_quote_pre, mdoc_quote_post}, /* Qq */
209 {NULL, NULL}, /* Re */
210 {mdoc_rs_pre, NULL}, /* Rs */
211 {NULL, NULL}, /* Sc */
212 {mdoc_quote_pre, mdoc_quote_post}, /* So */
213 {mdoc_quote_pre, mdoc_quote_post}, /* Sq */
214 {mdoc_sm_pre, NULL}, /* Sm */
215 {mdoc_sx_pre, NULL}, /* Sx */
216 {mdoc_sy_pre, NULL}, /* Sy */
217 {NULL, NULL}, /* Tn */
218 {mdoc_xx_pre, NULL}, /* Ux */
219 {NULL, NULL}, /* Xc */
220 {NULL, NULL}, /* Xo */
221 {mdoc_fo_pre, mdoc_fo_post}, /* Fo */
222 {NULL, NULL}, /* Fc */
223 {mdoc_quote_pre, mdoc_quote_post}, /* Oo */
224 {NULL, NULL}, /* Oc */
225 {mdoc_bk_pre, mdoc_bk_post}, /* Bk */
226 {NULL, NULL}, /* Ek */
227 {mdoc_bt_pre, NULL}, /* Bt */
228 {NULL, NULL}, /* Hf */
229 {mdoc_em_pre, NULL}, /* Fr */
230 {mdoc_ud_pre, NULL}, /* Ud */
231 {mdoc_lb_pre, NULL}, /* Lb */
232 {mdoc_pp_pre, NULL}, /* Lp */
233 {mdoc_lk_pre, NULL}, /* Lk */
234 {mdoc_mt_pre, NULL}, /* Mt */
235 {mdoc_quote_pre, mdoc_quote_post}, /* Brq */
236 {mdoc_quote_pre, mdoc_quote_post}, /* Bro */
237 {NULL, NULL}, /* Brc */
238 {mdoc__x_pre, mdoc__x_post}, /* %C */
239 {mdoc_skip_pre, NULL}, /* Es */
240 {mdoc_quote_pre, mdoc_quote_post}, /* En */
241 {mdoc_xx_pre, NULL}, /* Dx */
242 {mdoc__x_pre, mdoc__x_post}, /* %Q */
243 {mdoc_sp_pre, NULL}, /* br */
244 {mdoc_sp_pre, NULL}, /* sp */
245 {mdoc__x_pre, mdoc__x_post}, /* %U */
246 {NULL, NULL}, /* Ta */
247 {mdoc_skip_pre, NULL}, /* ll */
248 };
249
250 static const char * const lists[LIST_MAX] = {
251 NULL,
252 "list-bul",
253 "list-col",
254 "list-dash",
255 "list-diag",
256 "list-enum",
257 "list-hang",
258 "list-hyph",
259 "list-inset",
260 "list-item",
261 "list-ohang",
262 "list-tag"
263 };
264
265
266 /*
267 * Calculate the scaling unit passed in a `-width' argument. This uses
268 * either a native scaling unit (e.g., 1i, 2m) or the string length of
269 * the value.
270 */
271 static void
272 a2width(const char *p, struct roffsu *su)
273 {
274
275 if (a2roffsu(p, su, SCALE_MAX) < 2) {
276 su->unit = SCALE_EN;
277 su->scale = html_strlen(p);
278 } else if (su->scale < 0.0)
279 su->scale = 0.0;
280 }
281
282 /*
283 * See the same function in mdoc_term.c for documentation.
284 */
285 static void
286 synopsis_pre(struct html *h, const struct roff_node *n)
287 {
288
289 if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
290 return;
291
292 if (n->prev->tok == n->tok &&
293 MDOC_Fo != n->tok &&
294 MDOC_Ft != n->tok &&
295 MDOC_Fn != n->tok) {
296 print_otag(h, TAG_BR, 0, NULL);
297 return;
298 }
299
300 switch (n->prev->tok) {
301 case MDOC_Fd:
302 case MDOC_Fn:
303 case MDOC_Fo:
304 case MDOC_In:
305 case MDOC_Vt:
306 print_paragraph(h);
307 break;
308 case MDOC_Ft:
309 if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
310 print_paragraph(h);
311 break;
312 }
313 /* FALLTHROUGH */
314 default:
315 print_otag(h, TAG_BR, 0, NULL);
316 break;
317 }
318 }
319
320 void
321 html_mdoc(void *arg, const struct roff_man *mdoc)
322 {
323 struct htmlpair tag;
324 struct html *h;
325 struct tag *t, *tt;
326
327 PAIR_CLASS_INIT(&tag, "mandoc");
328 h = (struct html *)arg;
329
330 if ( ! (HTML_FRAGMENT & h->oflags)) {
331 print_gen_decls(h);
332 t = print_otag(h, TAG_HTML, 0, NULL);
333 tt = print_otag(h, TAG_HEAD, 0, NULL);
334 print_mdoc_head(&mdoc->meta, mdoc->first->child, h);
335 print_tagq(h, tt);
336 print_otag(h, TAG_BODY, 0, NULL);
337 print_otag(h, TAG_DIV, 1, &tag);
338 } else
339 t = print_otag(h, TAG_DIV, 1, &tag);
340
341 mdoc_root_pre(&mdoc->meta, mdoc->first->child, h);
342 print_mdoc_nodelist(&mdoc->meta, mdoc->first->child, h);
343 mdoc_root_post(&mdoc->meta, mdoc->first->child, h);
344 print_tagq(h, t);
345 putchar('\n');
346 }
347
348 static void
349 print_mdoc_head(MDOC_ARGS)
350 {
351
352 print_gen_head(h);
353 bufinit(h);
354 bufcat(h, meta->title);
355 if (meta->msec)
356 bufcat_fmt(h, "(%s)", meta->msec);
357 if (meta->arch)
358 bufcat_fmt(h, " (%s)", meta->arch);
359
360 print_otag(h, TAG_TITLE, 0, NULL);
361 print_text(h, h->buf);
362 }
363
364 static void
365 print_mdoc_nodelist(MDOC_ARGS)
366 {
367
368 while (n != NULL) {
369 print_mdoc_node(meta, n, h);
370 n = n->next;
371 }
372 }
373
374 static void
375 print_mdoc_node(MDOC_ARGS)
376 {
377 int child;
378 struct tag *t;
379
380 child = 1;
381 t = h->tags.head;
382 n->flags &= ~MDOC_ENDED;
383
384 switch (n->type) {
385 case ROFFT_TEXT:
386 /* No tables in this mode... */
387 assert(NULL == h->tblt);
388
389 /*
390 * Make sure that if we're in a literal mode already
391 * (i.e., within a <PRE>) don't print the newline.
392 */
393 if (' ' == *n->string && MDOC_LINE & n->flags)
394 if ( ! (HTML_LITERAL & h->flags))
395 print_otag(h, TAG_BR, 0, NULL);
396 if (MDOC_DELIMC & n->flags)
397 h->flags |= HTML_NOSPACE;
398 print_text(h, n->string);
399 if (MDOC_DELIMO & n->flags)
400 h->flags |= HTML_NOSPACE;
401 return;
402 case ROFFT_EQN:
403 if (n->flags & MDOC_LINE)
404 putchar('\n');
405 print_eqn(h, n->eqn);
406 break;
407 case ROFFT_TBL:
408 /*
409 * This will take care of initialising all of the table
410 * state data for the first table, then tearing it down
411 * for the last one.
412 */
413 print_tbl(h, n->span);
414 return;
415 default:
416 /*
417 * Close out the current table, if it's open, and unset
418 * the "meta" table state. This will be reopened on the
419 * next table element.
420 */
421 if (h->tblt != NULL) {
422 print_tblclose(h);
423 t = h->tags.head;
424 }
425 assert(h->tblt == NULL);
426 if (mdocs[n->tok].pre && (n->end == ENDBODY_NOT || n->child))
427 child = (*mdocs[n->tok].pre)(meta, n, h);
428 break;
429 }
430
431 if (h->flags & HTML_KEEP && n->flags & MDOC_LINE) {
432 h->flags &= ~HTML_KEEP;
433 h->flags |= HTML_PREKEEP;
434 }
435
436 if (child && n->child)
437 print_mdoc_nodelist(meta, n->child, h);
438
439 print_stagq(h, t);
440
441 switch (n->type) {
442 case ROFFT_EQN:
443 break;
444 default:
445 if ( ! mdocs[n->tok].post || n->flags & MDOC_ENDED)
446 break;
447 (*mdocs[n->tok].post)(meta, n, h);
448 if (n->end != ENDBODY_NOT)
449 n->body->flags |= MDOC_ENDED;
450 if (n->end == ENDBODY_NOSPACE)
451 h->flags |= HTML_NOSPACE;
452 break;
453 }
454 }
455
456 static void
457 mdoc_root_post(MDOC_ARGS)
458 {
459 struct htmlpair tag;
460 struct tag *t, *tt;
461
462 PAIR_CLASS_INIT(&tag, "foot");
463 t = print_otag(h, TAG_TABLE, 1, &tag);
464
465 print_otag(h, TAG_TBODY, 0, NULL);
466
467 tt = print_otag(h, TAG_TR, 0, NULL);
468
469 PAIR_CLASS_INIT(&tag, "foot-date");
470 print_otag(h, TAG_TD, 1, &tag);
471 print_text(h, meta->date);
472 print_stagq(h, tt);
473
474 PAIR_CLASS_INIT(&tag, "foot-os");
475 print_otag(h, TAG_TD, 1, &tag);
476 print_text(h, meta->os);
477 print_tagq(h, t);
478 }
479
480 static int
481 mdoc_root_pre(MDOC_ARGS)
482 {
483 struct htmlpair tag;
484 struct tag *t, *tt;
485 char *volume, *title;
486
487 if (NULL == meta->arch)
488 volume = mandoc_strdup(meta->vol);
489 else
490 mandoc_asprintf(&volume, "%s (%s)",
491 meta->vol, meta->arch);
492
493 if (NULL == meta->msec)
494 title = mandoc_strdup(meta->title);
495 else
496 mandoc_asprintf(&title, "%s(%s)",
497 meta->title, meta->msec);
498
499 PAIR_CLASS_INIT(&tag, "head");
500 t = print_otag(h, TAG_TABLE, 1, &tag);
501
502 print_otag(h, TAG_TBODY, 0, NULL);
503
504 tt = print_otag(h, TAG_TR, 0, NULL);
505
506 PAIR_CLASS_INIT(&tag, "head-ltitle");
507 print_otag(h, TAG_TD, 1, &tag);
508 print_text(h, title);
509 print_stagq(h, tt);
510
511 PAIR_CLASS_INIT(&tag, "head-vol");
512 print_otag(h, TAG_TD, 1, &tag);
513 print_text(h, volume);
514 print_stagq(h, tt);
515
516 PAIR_CLASS_INIT(&tag, "head-rtitle");
517 print_otag(h, TAG_TD, 1, &tag);
518 print_text(h, title);
519 print_tagq(h, t);
520
521 free(title);
522 free(volume);
523 return 1;
524 }
525
526 static int
527 mdoc_sh_pre(MDOC_ARGS)
528 {
529 struct htmlpair tag;
530
531 switch (n->type) {
532 case ROFFT_BLOCK:
533 PAIR_CLASS_INIT(&tag, "section");
534 print_otag(h, TAG_DIV, 1, &tag);
535 return 1;
536 case ROFFT_BODY:
537 if (n->sec == SEC_AUTHORS)
538 h->flags &= ~(HTML_SPLIT|HTML_NOSPLIT);
539 return 1;
540 default:
541 break;
542 }
543
544 bufinit(h);
545 bufcat(h, "x");
546
547 for (n = n->child; n != NULL && n->type == ROFFT_TEXT; ) {
548 bufcat_id(h, n->string);
549 if (NULL != (n = n->next))
550 bufcat_id(h, " ");
551 }
552
553 if (NULL == n) {
554 PAIR_ID_INIT(&tag, h->buf);
555 print_otag(h, TAG_H1, 1, &tag);
556 } else
557 print_otag(h, TAG_H1, 0, NULL);
558
559 return 1;
560 }
561
562 static int
563 mdoc_ss_pre(MDOC_ARGS)
564 {
565 struct htmlpair tag;
566
567 if (n->type == ROFFT_BLOCK) {
568 PAIR_CLASS_INIT(&tag, "subsection");
569 print_otag(h, TAG_DIV, 1, &tag);
570 return 1;
571 } else if (n->type == ROFFT_BODY)
572 return 1;
573
574 bufinit(h);
575 bufcat(h, "x");
576
577 for (n = n->child; n != NULL && n->type == ROFFT_TEXT; ) {
578 bufcat_id(h, n->string);
579 if (NULL != (n = n->next))
580 bufcat_id(h, " ");
581 }
582
583 if (NULL == n) {
584 PAIR_ID_INIT(&tag, h->buf);
585 print_otag(h, TAG_H2, 1, &tag);
586 } else
587 print_otag(h, TAG_H2, 0, NULL);
588
589 return 1;
590 }
591
592 static int
593 mdoc_fl_pre(MDOC_ARGS)
594 {
595 struct htmlpair tag;
596
597 PAIR_CLASS_INIT(&tag, "flag");
598 print_otag(h, TAG_B, 1, &tag);
599
600 /* `Cm' has no leading hyphen. */
601
602 if (MDOC_Cm == n->tok)
603 return 1;
604
605 print_text(h, "\\-");
606
607 if ( ! (n->nchild == 0 &&
608 (n->next == NULL ||
609 n->next->type == ROFFT_TEXT ||
610 n->next->flags & MDOC_LINE)))
611 h->flags |= HTML_NOSPACE;
612
613 return 1;
614 }
615
616 static int
617 mdoc_nd_pre(MDOC_ARGS)
618 {
619 struct htmlpair tag;
620
621 if (n->type != ROFFT_BODY)
622 return 1;
623
624 /* XXX: this tag in theory can contain block elements. */
625
626 print_text(h, "\\(em");
627 PAIR_CLASS_INIT(&tag, "desc");
628 print_otag(h, TAG_SPAN, 1, &tag);
629 return 1;
630 }
631
632 static int
633 mdoc_nm_pre(MDOC_ARGS)
634 {
635 struct htmlpair tag;
636 struct roffsu su;
637 int len;
638
639 switch (n->type) {
640 case ROFFT_HEAD:
641 print_otag(h, TAG_TD, 0, NULL);
642 /* FALLTHROUGH */
643 case ROFFT_ELEM:
644 PAIR_CLASS_INIT(&tag, "name");
645 print_otag(h, TAG_B, 1, &tag);
646 if (n->child == NULL && meta->name != NULL)
647 print_text(h, meta->name);
648 return 1;
649 case ROFFT_BODY:
650 print_otag(h, TAG_TD, 0, NULL);
651 return 1;
652 default:
653 break;
654 }
655
656 synopsis_pre(h, n);
657 PAIR_CLASS_INIT(&tag, "synopsis");
658 print_otag(h, TAG_TABLE, 1, &tag);
659
660 for (len = 0, n = n->head->child; n; n = n->next)
661 if (n->type == ROFFT_TEXT)
662 len += html_strlen(n->string);
663
664 if (len == 0 && meta->name != NULL)
665 len = html_strlen(meta->name);
666
667 SCALE_HS_INIT(&su, len);
668 bufinit(h);
669 bufcat_su(h, "width", &su);
670 PAIR_STYLE_INIT(&tag, h);
671 print_otag(h, TAG_COL, 1, &tag);
672 print_otag(h, TAG_COL, 0, NULL);
673 print_otag(h, TAG_TBODY, 0, NULL);
674 print_otag(h, TAG_TR, 0, NULL);
675 return 1;
676 }
677
678 static int
679 mdoc_xr_pre(MDOC_ARGS)
680 {
681 struct htmlpair tag[2];
682
683 if (NULL == n->child)
684 return 0;
685
686 PAIR_CLASS_INIT(&tag[0], "link-man");
687
688 if (h->base_man) {
689 buffmt_man(h, n->child->string,
690 n->child->next ?
691 n->child->next->string : NULL);
692 PAIR_HREF_INIT(&tag[1], h->buf);
693 print_otag(h, TAG_A, 2, tag);
694 } else
695 print_otag(h, TAG_A, 1, tag);
696
697 n = n->child;
698 print_text(h, n->string);
699
700 if (NULL == (n = n->next))
701 return 0;
702
703 h->flags |= HTML_NOSPACE;
704 print_text(h, "(");
705 h->flags |= HTML_NOSPACE;
706 print_text(h, n->string);
707 h->flags |= HTML_NOSPACE;
708 print_text(h, ")");
709 return 0;
710 }
711
712 static int
713 mdoc_ns_pre(MDOC_ARGS)
714 {
715
716 if ( ! (MDOC_LINE & n->flags))
717 h->flags |= HTML_NOSPACE;
718 return 1;
719 }
720
721 static int
722 mdoc_ar_pre(MDOC_ARGS)
723 {
724 struct htmlpair tag;
725
726 PAIR_CLASS_INIT(&tag, "arg");
727 print_otag(h, TAG_I, 1, &tag);
728 return 1;
729 }
730
731 static int
732 mdoc_xx_pre(MDOC_ARGS)
733 {
734 const char *pp;
735 struct htmlpair tag;
736 int flags;
737
738 switch (n->tok) {
739 case MDOC_Bsx:
740 pp = "BSD/OS";
741 break;
742 case MDOC_Dx:
743 pp = "DragonFly";
744 break;
745 case MDOC_Fx:
746 pp = "FreeBSD";
747 break;
748 case MDOC_Nx:
749 pp = "NetBSD";
750 break;
751 case MDOC_Ox:
752 pp = "OpenBSD";
753 break;
754 case MDOC_Ux:
755 pp = "UNIX";
756 break;
757 default:
758 return 1;
759 }
760
761 PAIR_CLASS_INIT(&tag, "unix");
762 print_otag(h, TAG_SPAN, 1, &tag);
763
764 print_text(h, pp);
765 if (n->child) {
766 flags = h->flags;
767 h->flags |= HTML_KEEP;
768 print_text(h, n->child->string);
769 h->flags = flags;
770 }
771 return 0;
772 }
773
774 static int
775 mdoc_bx_pre(MDOC_ARGS)
776 {
777 struct htmlpair tag;
778
779 PAIR_CLASS_INIT(&tag, "unix");
780 print_otag(h, TAG_SPAN, 1, &tag);
781
782 if (NULL != (n = n->child)) {
783 print_text(h, n->string);
784 h->flags |= HTML_NOSPACE;
785 print_text(h, "BSD");
786 } else {
787 print_text(h, "BSD");
788 return 0;
789 }
790
791 if (NULL != (n = n->next)) {
792 h->flags |= HTML_NOSPACE;
793 print_text(h, "-");
794 h->flags |= HTML_NOSPACE;
795 print_text(h, n->string);
796 }
797
798 return 0;
799 }
800
801 static int
802 mdoc_it_pre(MDOC_ARGS)
803 {
804 struct roffsu su;
805 enum mdoc_list type;
806 struct htmlpair tag[2];
807 const struct roff_node *bl;
808
809 bl = n->parent;
810 while (bl && MDOC_Bl != bl->tok)
811 bl = bl->parent;
812
813 assert(bl);
814
815 type = bl->norm->Bl.type;
816
817 assert(lists[type]);
818 PAIR_CLASS_INIT(&tag[0], lists[type]);
819
820 bufinit(h);
821
822 if (n->type == ROFFT_HEAD) {
823 switch (type) {
824 case LIST_bullet:
825 case LIST_dash:
826 case LIST_item:
827 case LIST_hyphen:
828 case LIST_enum:
829 return 0;
830 case LIST_diag:
831 case LIST_hang:
832 case LIST_inset:
833 case LIST_ohang:
834 case LIST_tag:
835 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
836 bufcat_su(h, "margin-top", &su);
837 PAIR_STYLE_INIT(&tag[1], h);
838 print_otag(h, TAG_DT, 2, tag);
839 if (LIST_diag != type)
840 break;
841 PAIR_CLASS_INIT(&tag[0], "diag");
842 print_otag(h, TAG_B, 1, tag);
843 break;
844 case LIST_column:
845 break;
846 default:
847 break;
848 }
849 } else if (n->type == ROFFT_BODY) {
850 switch (type) {
851 case LIST_bullet:
852 case LIST_hyphen:
853 case LIST_dash:
854 case LIST_enum:
855 case LIST_item:
856 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
857 bufcat_su(h, "margin-top", &su);
858 PAIR_STYLE_INIT(&tag[1], h);
859 print_otag(h, TAG_LI, 2, tag);
860 break;
861 case LIST_diag:
862 case LIST_hang:
863 case LIST_inset:
864 case LIST_ohang:
865 case LIST_tag:
866 if (NULL == bl->norm->Bl.width) {
867 print_otag(h, TAG_DD, 1, tag);
868 break;
869 }
870 a2width(bl->norm->Bl.width, &su);
871 bufcat_su(h, "margin-left", &su);
872 PAIR_STYLE_INIT(&tag[1], h);
873 print_otag(h, TAG_DD, 2, tag);
874 break;
875 case LIST_column:
876 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
877 bufcat_su(h, "margin-top", &su);
878 PAIR_STYLE_INIT(&tag[1], h);
879 print_otag(h, TAG_TD, 2, tag);
880 break;
881 default:
882 break;
883 }
884 } else {
885 switch (type) {
886 case LIST_column:
887 print_otag(h, TAG_TR, 1, tag);
888 break;
889 default:
890 break;
891 }
892 }
893
894 return 1;
895 }
896
897 static int
898 mdoc_bl_pre(MDOC_ARGS)
899 {
900 int i;
901 struct htmlpair tag[3];
902 struct roffsu su;
903 char buf[BUFSIZ];
904
905 if (n->type == ROFFT_BODY) {
906 if (LIST_column == n->norm->Bl.type)
907 print_otag(h, TAG_TBODY, 0, NULL);
908 return 1;
909 }
910
911 if (n->type == ROFFT_HEAD) {
912 if (LIST_column != n->norm->Bl.type)
913 return 0;
914
915 /*
916 * For each column, print out the <COL> tag with our
917 * suggested width. The last column gets min-width, as
918 * in terminal mode it auto-sizes to the width of the
919 * screen and we want to preserve that behaviour.
920 */
921
922 for (i = 0; i < (int)n->norm->Bl.ncols; i++) {
923 bufinit(h);
924 a2width(n->norm->Bl.cols[i], &su);
925 if (i < (int)n->norm->Bl.ncols - 1)
926 bufcat_su(h, "width", &su);
927 else
928 bufcat_su(h, "min-width", &su);
929 PAIR_STYLE_INIT(&tag[0], h);
930 print_otag(h, TAG_COL, 1, tag);
931 }
932
933 return 0;
934 }
935
936 SCALE_VS_INIT(&su, 0);
937 bufinit(h);
938 bufcat_su(h, "margin-top", &su);
939 bufcat_su(h, "margin-bottom", &su);
940 PAIR_STYLE_INIT(&tag[0], h);
941
942 assert(lists[n->norm->Bl.type]);
943 (void)strlcpy(buf, "list ", BUFSIZ);
944 (void)strlcat(buf, lists[n->norm->Bl.type], BUFSIZ);
945 PAIR_INIT(&tag[1], ATTR_CLASS, buf);
946
947 /* Set the block's left-hand margin. */
948
949 if (n->norm->Bl.offs) {
950 a2width(n->norm->Bl.offs, &su);
951 bufcat_su(h, "margin-left", &su);
952 }
953
954 switch (n->norm->Bl.type) {
955 case LIST_bullet:
956 case LIST_dash:
957 case LIST_hyphen:
958 case LIST_item:
959 print_otag(h, TAG_UL, 2, tag);
960 break;
961 case LIST_enum:
962 print_otag(h, TAG_OL, 2, tag);
963 break;
964 case LIST_diag:
965 case LIST_hang:
966 case LIST_inset:
967 case LIST_ohang:
968 case LIST_tag:
969 print_otag(h, TAG_DL, 2, tag);
970 break;
971 case LIST_column:
972 print_otag(h, TAG_TABLE, 2, tag);
973 break;
974 default:
975 abort();
976 }
977
978 return 1;
979 }
980
981 static int
982 mdoc_ex_pre(MDOC_ARGS)
983 {
984 struct tag *t;
985 struct htmlpair tag;
986 int nchild;
987
988 if (n->prev)
989 print_otag(h, TAG_BR, 0, NULL);
990
991 PAIR_CLASS_INIT(&tag, "utility");
992
993 print_text(h, "The");
994
995 nchild = n->nchild;
996 for (n = n->child; n; n = n->next) {
997 assert(n->type == ROFFT_TEXT);
998
999 t = print_otag(h, TAG_B, 1, &tag);
1000 print_text(h, n->string);
1001 print_tagq(h, t);
1002
1003 if (nchild > 2 && n->next) {
1004 h->flags |= HTML_NOSPACE;
1005 print_text(h, ",");
1006 }
1007
1008 if (n->next && NULL == n->next->next)
1009 print_text(h, "and");
1010 }
1011
1012 if (nchild > 1)
1013 print_text(h, "utilities exit\\~0");
1014 else
1015 print_text(h, "utility exits\\~0");
1016
1017 print_text(h, "on success, and\\~>0 if an error occurs.");
1018 return 0;
1019 }
1020
1021 static int
1022 mdoc_em_pre(MDOC_ARGS)
1023 {
1024 struct htmlpair tag;
1025
1026 PAIR_CLASS_INIT(&tag, "emph");
1027 print_otag(h, TAG_SPAN, 1, &tag);
1028 return 1;
1029 }
1030
1031 static int
1032 mdoc_d1_pre(MDOC_ARGS)
1033 {
1034 struct htmlpair tag[2];
1035 struct roffsu su;
1036
1037 if (n->type != ROFFT_BLOCK)
1038 return 1;
1039
1040 SCALE_VS_INIT(&su, 0);
1041 bufinit(h);
1042 bufcat_su(h, "margin-top", &su);
1043 bufcat_su(h, "margin-bottom", &su);
1044 PAIR_STYLE_INIT(&tag[0], h);
1045 print_otag(h, TAG_BLOCKQUOTE, 1, tag);
1046
1047 /* BLOCKQUOTE needs a block body. */
1048
1049 PAIR_CLASS_INIT(&tag[0], "display");
1050 print_otag(h, TAG_DIV, 1, tag);
1051
1052 if (MDOC_Dl == n->tok) {
1053 PAIR_CLASS_INIT(&tag[0], "lit");
1054 print_otag(h, TAG_CODE, 1, tag);
1055 }
1056
1057 return 1;
1058 }
1059
1060 static int
1061 mdoc_sx_pre(MDOC_ARGS)
1062 {
1063 struct htmlpair tag[2];
1064
1065 bufinit(h);
1066 bufcat(h, "#x");
1067
1068 for (n = n->child; n; ) {
1069 bufcat_id(h, n->string);
1070 if (NULL != (n = n->next))
1071 bufcat_id(h, " ");
1072 }
1073
1074 PAIR_CLASS_INIT(&tag[0], "link-sec");
1075 PAIR_HREF_INIT(&tag[1], h->buf);
1076
1077 print_otag(h, TAG_I, 1, tag);
1078 print_otag(h, TAG_A, 2, tag);
1079 return 1;
1080 }
1081
1082 static int
1083 mdoc_bd_pre(MDOC_ARGS)
1084 {
1085 struct htmlpair tag[2];
1086 int comp, sv;
1087 struct roff_node *nn;
1088 struct roffsu su;
1089
1090 if (n->type == ROFFT_HEAD)
1091 return 0;
1092
1093 if (n->type == ROFFT_BLOCK) {
1094 comp = n->norm->Bd.comp;
1095 for (nn = n; nn && ! comp; nn = nn->parent) {
1096 if (nn->type != ROFFT_BLOCK)
1097 continue;
1098 if (MDOC_Ss == nn->tok || MDOC_Sh == nn->tok)
1099 comp = 1;
1100 if (nn->prev)
1101 break;
1102 }
1103 if ( ! comp)
1104 print_paragraph(h);
1105 return 1;
1106 }
1107
1108 /* Handle the -offset argument. */
1109
1110 if (n->norm->Bd.offs == NULL ||
1111 ! strcmp(n->norm->Bd.offs, "left"))
1112 SCALE_HS_INIT(&su, 0);
1113 else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1114 SCALE_HS_INIT(&su, INDENT);
1115 else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1116 SCALE_HS_INIT(&su, INDENT * 2);
1117 else
1118 a2width(n->norm->Bd.offs, &su);
1119
1120 bufinit(h);
1121 bufcat_su(h, "margin-left", &su);
1122 PAIR_STYLE_INIT(&tag[0], h);
1123
1124 if (DISP_unfilled != n->norm->Bd.type &&
1125 DISP_literal != n->norm->Bd.type) {
1126 PAIR_CLASS_INIT(&tag[1], "display");
1127 print_otag(h, TAG_DIV, 2, tag);
1128 return 1;
1129 }
1130
1131 PAIR_CLASS_INIT(&tag[1], "lit display");
1132 print_otag(h, TAG_PRE, 2, tag);
1133
1134 /* This can be recursive: save & set our literal state. */
1135
1136 sv = h->flags & HTML_LITERAL;
1137 h->flags |= HTML_LITERAL;
1138
1139 for (nn = n->child; nn; nn = nn->next) {
1140 print_mdoc_node(meta, nn, h);
1141 /*
1142 * If the printed node flushes its own line, then we
1143 * needn't do it here as well. This is hacky, but the
1144 * notion of selective eoln whitespace is pretty dumb
1145 * anyway, so don't sweat it.
1146 */
1147 switch (nn->tok) {
1148 case MDOC_Sm:
1149 case MDOC_br:
1150 case MDOC_sp:
1151 case MDOC_Bl:
1152 case MDOC_D1:
1153 case MDOC_Dl:
1154 case MDOC_Lp:
1155 case MDOC_Pp:
1156 continue;
1157 default:
1158 break;
1159 }
1160 if (h->flags & HTML_NONEWLINE ||
1161 (nn->next && ! (nn->next->flags & MDOC_LINE)))
1162 continue;
1163 else if (nn->next)
1164 print_text(h, "\n");
1165
1166 h->flags |= HTML_NOSPACE;
1167 }
1168
1169 if (0 == sv)
1170 h->flags &= ~HTML_LITERAL;
1171
1172 return 0;
1173 }
1174
1175 static int
1176 mdoc_pa_pre(MDOC_ARGS)
1177 {
1178 struct htmlpair tag;
1179
1180 PAIR_CLASS_INIT(&tag, "file");
1181 print_otag(h, TAG_I, 1, &tag);
1182 return 1;
1183 }
1184
1185 static int
1186 mdoc_ad_pre(MDOC_ARGS)
1187 {
1188 struct htmlpair tag;
1189
1190 PAIR_CLASS_INIT(&tag, "addr");
1191 print_otag(h, TAG_I, 1, &tag);
1192 return 1;
1193 }
1194
1195 static int
1196 mdoc_an_pre(MDOC_ARGS)
1197 {
1198 struct htmlpair tag;
1199
1200 if (n->norm->An.auth == AUTH_split) {
1201 h->flags &= ~HTML_NOSPLIT;
1202 h->flags |= HTML_SPLIT;
1203 return 0;
1204 }
1205 if (n->norm->An.auth == AUTH_nosplit) {
1206 h->flags &= ~HTML_SPLIT;
1207 h->flags |= HTML_NOSPLIT;
1208 return 0;
1209 }
1210
1211 if (h->flags & HTML_SPLIT)
1212 print_otag(h, TAG_BR, 0, NULL);
1213
1214 if (n->sec == SEC_AUTHORS && ! (h->flags & HTML_NOSPLIT))
1215 h->flags |= HTML_SPLIT;
1216
1217 PAIR_CLASS_INIT(&tag, "author");
1218 print_otag(h, TAG_SPAN, 1, &tag);
1219 return 1;
1220 }
1221
1222 static int
1223 mdoc_cd_pre(MDOC_ARGS)
1224 {
1225 struct htmlpair tag;
1226
1227 synopsis_pre(h, n);
1228 PAIR_CLASS_INIT(&tag, "config");
1229 print_otag(h, TAG_B, 1, &tag);
1230 return 1;
1231 }
1232
1233 static int
1234 mdoc_dv_pre(MDOC_ARGS)
1235 {
1236 struct htmlpair tag;
1237
1238 PAIR_CLASS_INIT(&tag, "define");
1239 print_otag(h, TAG_SPAN, 1, &tag);
1240 return 1;
1241 }
1242
1243 static int
1244 mdoc_ev_pre(MDOC_ARGS)
1245 {
1246 struct htmlpair tag;
1247
1248 PAIR_CLASS_INIT(&tag, "env");
1249 print_otag(h, TAG_SPAN, 1, &tag);
1250 return 1;
1251 }
1252
1253 static int
1254 mdoc_er_pre(MDOC_ARGS)
1255 {
1256 struct htmlpair tag;
1257
1258 PAIR_CLASS_INIT(&tag, "errno");
1259 print_otag(h, TAG_SPAN, 1, &tag);
1260 return 1;
1261 }
1262
1263 static int
1264 mdoc_fa_pre(MDOC_ARGS)
1265 {
1266 const struct roff_node *nn;
1267 struct htmlpair tag;
1268 struct tag *t;
1269
1270 PAIR_CLASS_INIT(&tag, "farg");
1271 if (n->parent->tok != MDOC_Fo) {
1272 print_otag(h, TAG_I, 1, &tag);
1273 return 1;
1274 }
1275
1276 for (nn = n->child; nn; nn = nn->next) {
1277 t = print_otag(h, TAG_I, 1, &tag);
1278 print_text(h, nn->string);
1279 print_tagq(h, t);
1280 if (nn->next) {
1281 h->flags |= HTML_NOSPACE;
1282 print_text(h, ",");
1283 }
1284 }
1285
1286 if (n->child && n->next && n->next->tok == MDOC_Fa) {
1287 h->flags |= HTML_NOSPACE;
1288 print_text(h, ",");
1289 }
1290
1291 return 0;
1292 }
1293
1294 static int
1295 mdoc_fd_pre(MDOC_ARGS)
1296 {
1297 struct htmlpair tag[2];
1298 char buf[BUFSIZ];
1299 size_t sz;
1300 int i;
1301 struct tag *t;
1302
1303 synopsis_pre(h, n);
1304
1305 if (NULL == (n = n->child))
1306 return 0;
1307
1308 assert(n->type == ROFFT_TEXT);
1309
1310 if (strcmp(n->string, "#include")) {
1311 PAIR_CLASS_INIT(&tag[0], "macro");
1312 print_otag(h, TAG_B, 1, tag);
1313 return 1;
1314 }
1315
1316 PAIR_CLASS_INIT(&tag[0], "includes");
1317 print_otag(h, TAG_B, 1, tag);
1318 print_text(h, n->string);
1319
1320 if (NULL != (n = n->next)) {
1321 assert(n->type == ROFFT_TEXT);
1322
1323 /*
1324 * XXX This is broken and not easy to fix.
1325 * When using -Oincludes, truncation may occur.
1326 * Dynamic allocation wouldn't help because
1327 * passing long strings to buffmt_includes()
1328 * does not work either.
1329 */
1330
1331 strlcpy(buf, '<' == *n->string || '"' == *n->string ?
1332 n->string + 1 : n->string, BUFSIZ);
1333
1334 sz = strlen(buf);
1335 if (sz && ('>' == buf[sz - 1] || '"' == buf[sz - 1]))
1336 buf[sz - 1] = '\0';
1337
1338 PAIR_CLASS_INIT(&tag[0], "link-includes");
1339
1340 i = 1;
1341 if (h->base_includes) {
1342 buffmt_includes(h, buf);
1343 PAIR_HREF_INIT(&tag[i], h->buf);
1344 i++;
1345 }
1346
1347 t = print_otag(h, TAG_A, i, tag);
1348 print_text(h, n->string);
1349 print_tagq(h, t);
1350
1351 n = n->next;
1352 }
1353
1354 for ( ; n; n = n->next) {
1355 assert(n->type == ROFFT_TEXT);
1356 print_text(h, n->string);
1357 }
1358
1359 return 0;
1360 }
1361
1362 static int
1363 mdoc_vt_pre(MDOC_ARGS)
1364 {
1365 struct htmlpair tag;
1366
1367 if (n->type == ROFFT_BLOCK) {
1368 synopsis_pre(h, n);
1369 return 1;
1370 } else if (n->type == ROFFT_ELEM) {
1371 synopsis_pre(h, n);
1372 } else if (n->type == ROFFT_HEAD)
1373 return 0;
1374
1375 PAIR_CLASS_INIT(&tag, "type");
1376 print_otag(h, TAG_SPAN, 1, &tag);
1377 return 1;
1378 }
1379
1380 static int
1381 mdoc_ft_pre(MDOC_ARGS)
1382 {
1383 struct htmlpair tag;
1384
1385 synopsis_pre(h, n);
1386 PAIR_CLASS_INIT(&tag, "ftype");
1387 print_otag(h, TAG_I, 1, &tag);
1388 return 1;
1389 }
1390
1391 static int
1392 mdoc_fn_pre(MDOC_ARGS)
1393 {
1394 struct tag *t;
1395 struct htmlpair tag[2];
1396 char nbuf[BUFSIZ];
1397 const char *sp, *ep;
1398 int sz, i, pretty;
1399
1400 pretty = MDOC_SYNPRETTY & n->flags;
1401 synopsis_pre(h, n);
1402
1403 /* Split apart into type and name. */
1404 assert(n->child->string);
1405 sp = n->child->string;
1406
1407 ep = strchr(sp, ' ');
1408 if (NULL != ep) {
1409 PAIR_CLASS_INIT(&tag[0], "ftype");
1410 t = print_otag(h, TAG_I, 1, tag);
1411
1412 while (ep) {
1413 sz = MIN((int)(ep - sp), BUFSIZ - 1);
1414 (void)memcpy(nbuf, sp, (size_t)sz);
1415 nbuf[sz] = '\0';
1416 print_text(h, nbuf);
1417 sp = ++ep;
1418 ep = strchr(sp, ' ');
1419 }
1420 print_tagq(h, t);
1421 }
1422
1423 PAIR_CLASS_INIT(&tag[0], "fname");
1424
1425 /*
1426 * FIXME: only refer to IDs that we know exist.
1427 */
1428
1429 #if 0
1430 if (MDOC_SYNPRETTY & n->flags) {
1431 nbuf[0] = '\0';
1432 html_idcat(nbuf, sp, BUFSIZ);
1433 PAIR_ID_INIT(&tag[1], nbuf);
1434 } else {
1435 strlcpy(nbuf, "#", BUFSIZ);
1436 html_idcat(nbuf, sp, BUFSIZ);
1437 PAIR_HREF_INIT(&tag[1], nbuf);
1438 }
1439 #endif
1440
1441 t = print_otag(h, TAG_B, 1, tag);
1442
1443 if (sp)
1444 print_text(h, sp);
1445
1446 print_tagq(h, t);
1447
1448 h->flags |= HTML_NOSPACE;
1449 print_text(h, "(");
1450 h->flags |= HTML_NOSPACE;
1451
1452 PAIR_CLASS_INIT(&tag[0], "farg");
1453 bufinit(h);
1454 bufcat_style(h, "white-space", "nowrap");
1455 PAIR_STYLE_INIT(&tag[1], h);
1456
1457 for (n = n->child->next; n; n = n->next) {
1458 i = 1;
1459 if (MDOC_SYNPRETTY & n->flags)
1460 i = 2;
1461 t = print_otag(h, TAG_I, i, tag);
1462 print_text(h, n->string);
1463 print_tagq(h, t);
1464 if (n->next) {
1465 h->flags |= HTML_NOSPACE;
1466 print_text(h, ",");
1467 }
1468 }
1469
1470 h->flags |= HTML_NOSPACE;
1471 print_text(h, ")");
1472
1473 if (pretty) {
1474 h->flags |= HTML_NOSPACE;
1475 print_text(h, ";");
1476 }
1477
1478 return 0;
1479 }
1480
1481 static int
1482 mdoc_sm_pre(MDOC_ARGS)
1483 {
1484
1485 if (NULL == n->child)
1486 h->flags ^= HTML_NONOSPACE;
1487 else if (0 == strcmp("on", n->child->string))
1488 h->flags &= ~HTML_NONOSPACE;
1489 else
1490 h->flags |= HTML_NONOSPACE;
1491
1492 if ( ! (HTML_NONOSPACE & h->flags))
1493 h->flags &= ~HTML_NOSPACE;
1494
1495 return 0;
1496 }
1497
1498 static int
1499 mdoc_skip_pre(MDOC_ARGS)
1500 {
1501
1502 return 0;
1503 }
1504
1505 static int
1506 mdoc_pp_pre(MDOC_ARGS)
1507 {
1508
1509 print_paragraph(h);
1510 return 0;
1511 }
1512
1513 static int
1514 mdoc_sp_pre(MDOC_ARGS)
1515 {
1516 struct roffsu su;
1517 struct htmlpair tag;
1518
1519 SCALE_VS_INIT(&su, 1);
1520
1521 if (MDOC_sp == n->tok) {
1522 if (NULL != (n = n->child)) {
1523 if ( ! a2roffsu(n->string, &su, SCALE_VS))
1524 su.scale = 1.0;
1525 else if (su.scale < 0.0)
1526 su.scale = 0.0;
1527 }
1528 } else
1529 su.scale = 0.0;
1530
1531 bufinit(h);
1532 bufcat_su(h, "height", &su);
1533 PAIR_STYLE_INIT(&tag, h);
1534 print_otag(h, TAG_DIV, 1, &tag);
1535
1536 /* So the div isn't empty: */
1537 print_text(h, "\\~");
1538
1539 return 0;
1540
1541 }
1542
1543 static int
1544 mdoc_lk_pre(MDOC_ARGS)
1545 {
1546 struct htmlpair tag[2];
1547
1548 if (NULL == (n = n->child))
1549 return 0;
1550
1551 assert(n->type == ROFFT_TEXT);
1552
1553 PAIR_CLASS_INIT(&tag[0], "link-ext");
1554 PAIR_HREF_INIT(&tag[1], n->string);
1555
1556 print_otag(h, TAG_A, 2, tag);
1557
1558 if (NULL == n->next)
1559 print_text(h, n->string);
1560
1561 for (n = n->next; n; n = n->next)
1562 print_text(h, n->string);
1563
1564 return 0;
1565 }
1566
1567 static int
1568 mdoc_mt_pre(MDOC_ARGS)
1569 {
1570 struct htmlpair tag[2];
1571 struct tag *t;
1572
1573 PAIR_CLASS_INIT(&tag[0], "link-mail");
1574
1575 for (n = n->child; n; n = n->next) {
1576 assert(n->type == ROFFT_TEXT);
1577
1578 bufinit(h);
1579 bufcat(h, "mailto:");
1580 bufcat(h, n->string);
1581
1582 PAIR_HREF_INIT(&tag[1], h->buf);
1583 t = print_otag(h, TAG_A, 2, tag);
1584 print_text(h, n->string);
1585 print_tagq(h, t);
1586 }
1587
1588 return 0;
1589 }
1590
1591 static int
1592 mdoc_fo_pre(MDOC_ARGS)
1593 {
1594 struct htmlpair tag;
1595 struct tag *t;
1596
1597 if (n->type == ROFFT_BODY) {
1598 h->flags |= HTML_NOSPACE;
1599 print_text(h, "(");
1600 h->flags |= HTML_NOSPACE;
1601 return 1;
1602 } else if (n->type == ROFFT_BLOCK) {
1603 synopsis_pre(h, n);
1604 return 1;
1605 }
1606
1607 if (n->child == NULL)
1608 return 0;
1609
1610 assert(n->child->string);
1611 PAIR_CLASS_INIT(&tag, "fname");
1612 t = print_otag(h, TAG_B, 1, &tag);
1613 print_text(h, n->child->string);
1614 print_tagq(h, t);
1615 return 0;
1616 }
1617
1618 static void
1619 mdoc_fo_post(MDOC_ARGS)
1620 {
1621
1622 if (n->type != ROFFT_BODY)
1623 return;
1624 h->flags |= HTML_NOSPACE;
1625 print_text(h, ")");
1626 h->flags |= HTML_NOSPACE;
1627 print_text(h, ";");
1628 }
1629
1630 static int
1631 mdoc_in_pre(MDOC_ARGS)
1632 {
1633 struct tag *t;
1634 struct htmlpair tag[2];
1635 int i;
1636
1637 synopsis_pre(h, n);
1638
1639 PAIR_CLASS_INIT(&tag[0], "includes");
1640 print_otag(h, TAG_B, 1, tag);
1641
1642 /*
1643 * The first argument of the `In' gets special treatment as
1644 * being a linked value. Subsequent values are printed
1645 * afterward. groff does similarly. This also handles the case
1646 * of no children.
1647 */
1648
1649 if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags)
1650 print_text(h, "#include");
1651
1652 print_text(h, "<");
1653 h->flags |= HTML_NOSPACE;
1654
1655 if (NULL != (n = n->child)) {
1656 assert(n->type == ROFFT_TEXT);
1657
1658 PAIR_CLASS_INIT(&tag[0], "link-includes");
1659
1660 i = 1;
1661 if (h->base_includes) {
1662 buffmt_includes(h, n->string);
1663 PAIR_HREF_INIT(&tag[i], h->buf);
1664 i++;
1665 }
1666
1667 t = print_otag(h, TAG_A, i, tag);
1668 print_text(h, n->string);
1669 print_tagq(h, t);
1670
1671 n = n->next;
1672 }
1673
1674 h->flags |= HTML_NOSPACE;
1675 print_text(h, ">");
1676
1677 for ( ; n; n = n->next) {
1678 assert(n->type == ROFFT_TEXT);
1679 print_text(h, n->string);
1680 }
1681
1682 return 0;
1683 }
1684
1685 static int
1686 mdoc_ic_pre(MDOC_ARGS)
1687 {
1688 struct htmlpair tag;
1689
1690 PAIR_CLASS_INIT(&tag, "cmd");
1691 print_otag(h, TAG_B, 1, &tag);
1692 return 1;
1693 }
1694
1695 static int
1696 mdoc_rv_pre(MDOC_ARGS)
1697 {
1698 struct htmlpair tag;
1699 struct tag *t;
1700 int nchild;
1701
1702 if (n->prev)
1703 print_otag(h, TAG_BR, 0, NULL);
1704
1705 PAIR_CLASS_INIT(&tag, "fname");
1706
1707 nchild = n->nchild;
1708 if (nchild > 0) {
1709 print_text(h, "The");
1710
1711 for (n = n->child; n; n = n->next) {
1712 t = print_otag(h, TAG_B, 1, &tag);
1713 print_text(h, n->string);
1714 print_tagq(h, t);
1715
1716 h->flags |= HTML_NOSPACE;
1717 print_text(h, "()");
1718
1719 if (n->next == NULL)
1720 continue;
1721
1722 if (nchild > 2) {
1723 h->flags |= HTML_NOSPACE;
1724 print_text(h, ",");
1725 }
1726 if (n->next->next == NULL)
1727 print_text(h, "and");
1728 }
1729
1730 if (nchild > 1)
1731 print_text(h, "functions return");
1732 else
1733 print_text(h, "function returns");
1734
1735 print_text(h, "the value\\~0 if successful;");
1736 } else
1737 print_text(h, "Upon successful completion,"
1738 " the value\\~0 is returned;");
1739
1740 print_text(h, "otherwise the value\\~\\-1 is returned"
1741 " and the global variable");
1742
1743 PAIR_CLASS_INIT(&tag, "var");
1744 t = print_otag(h, TAG_B, 1, &tag);
1745 print_text(h, "errno");
1746 print_tagq(h, t);
1747 print_text(h, "is set to indicate the error.");
1748 return 0;
1749 }
1750
1751 static int
1752 mdoc_va_pre(MDOC_ARGS)
1753 {
1754 struct htmlpair tag;
1755
1756 PAIR_CLASS_INIT(&tag, "var");
1757 print_otag(h, TAG_B, 1, &tag);
1758 return 1;
1759 }
1760
1761 static int
1762 mdoc_ap_pre(MDOC_ARGS)
1763 {
1764
1765 h->flags |= HTML_NOSPACE;
1766 print_text(h, "\\(aq");
1767 h->flags |= HTML_NOSPACE;
1768 return 1;
1769 }
1770
1771 static int
1772 mdoc_bf_pre(MDOC_ARGS)
1773 {
1774 struct htmlpair tag[2];
1775 struct roffsu su;
1776
1777 if (n->type == ROFFT_HEAD)
1778 return 0;
1779 else if (n->type != ROFFT_BODY)
1780 return 1;
1781
1782 if (FONT_Em == n->norm->Bf.font)
1783 PAIR_CLASS_INIT(&tag[0], "emph");
1784 else if (FONT_Sy == n->norm->Bf.font)
1785 PAIR_CLASS_INIT(&tag[0], "symb");
1786 else if (FONT_Li == n->norm->Bf.font)
1787 PAIR_CLASS_INIT(&tag[0], "lit");
1788 else
1789 PAIR_CLASS_INIT(&tag[0], "none");
1790
1791 /*
1792 * We want this to be inline-formatted, but needs to be div to
1793 * accept block children.
1794 */
1795 bufinit(h);
1796 bufcat_style(h, "display", "inline");
1797 SCALE_HS_INIT(&su, 1);
1798 /* Needs a left-margin for spacing. */
1799 bufcat_su(h, "margin-left", &su);
1800 PAIR_STYLE_INIT(&tag[1], h);
1801 print_otag(h, TAG_DIV, 2, tag);
1802 return 1;
1803 }
1804
1805 static int
1806 mdoc_ms_pre(MDOC_ARGS)
1807 {
1808 struct htmlpair tag;
1809
1810 PAIR_CLASS_INIT(&tag, "symb");
1811 print_otag(h, TAG_SPAN, 1, &tag);
1812 return 1;
1813 }
1814
1815 static int
1816 mdoc_igndelim_pre(MDOC_ARGS)
1817 {
1818
1819 h->flags |= HTML_IGNDELIM;
1820 return 1;
1821 }
1822
1823 static void
1824 mdoc_pf_post(MDOC_ARGS)
1825 {
1826
1827 if ( ! (n->next == NULL || n->next->flags & MDOC_LINE))
1828 h->flags |= HTML_NOSPACE;
1829 }
1830
1831 static int
1832 mdoc_rs_pre(MDOC_ARGS)
1833 {
1834 struct htmlpair tag;
1835
1836 if (n->type != ROFFT_BLOCK)
1837 return 1;
1838
1839 if (n->prev && SEC_SEE_ALSO == n->sec)
1840 print_paragraph(h);
1841
1842 PAIR_CLASS_INIT(&tag, "ref");
1843 print_otag(h, TAG_SPAN, 1, &tag);
1844 return 1;
1845 }
1846
1847 static int
1848 mdoc_no_pre(MDOC_ARGS)
1849 {
1850 struct htmlpair tag;
1851
1852 PAIR_CLASS_INIT(&tag, "none");
1853 print_otag(h, TAG_CODE, 1, &tag);
1854 return 1;
1855 }
1856
1857 static int
1858 mdoc_li_pre(MDOC_ARGS)
1859 {
1860 struct htmlpair tag;
1861
1862 PAIR_CLASS_INIT(&tag, "lit");
1863 print_otag(h, TAG_CODE, 1, &tag);
1864 return 1;
1865 }
1866
1867 static int
1868 mdoc_sy_pre(MDOC_ARGS)
1869 {
1870 struct htmlpair tag;
1871
1872 PAIR_CLASS_INIT(&tag, "symb");
1873 print_otag(h, TAG_SPAN, 1, &tag);
1874 return 1;
1875 }
1876
1877 static int
1878 mdoc_bt_pre(MDOC_ARGS)
1879 {
1880
1881 print_text(h, "is currently in beta test.");
1882 return 0;
1883 }
1884
1885 static int
1886 mdoc_ud_pre(MDOC_ARGS)
1887 {
1888
1889 print_text(h, "currently under development.");
1890 return 0;
1891 }
1892
1893 static int
1894 mdoc_lb_pre(MDOC_ARGS)
1895 {
1896 struct htmlpair tag;
1897
1898 if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags && n->prev)
1899 print_otag(h, TAG_BR, 0, NULL);
1900
1901 PAIR_CLASS_INIT(&tag, "lib");
1902 print_otag(h, TAG_SPAN, 1, &tag);
1903 return 1;
1904 }
1905
1906 static int
1907 mdoc__x_pre(MDOC_ARGS)
1908 {
1909 struct htmlpair tag[2];
1910 enum htmltag t;
1911
1912 t = TAG_SPAN;
1913
1914 switch (n->tok) {
1915 case MDOC__A:
1916 PAIR_CLASS_INIT(&tag[0], "ref-auth");
1917 if (n->prev && MDOC__A == n->prev->tok)
1918 if (NULL == n->next || MDOC__A != n->next->tok)
1919 print_text(h, "and");
1920 break;
1921 case MDOC__B:
1922 PAIR_CLASS_INIT(&tag[0], "ref-book");
1923 t = TAG_I;
1924 break;
1925 case MDOC__C:
1926 PAIR_CLASS_INIT(&tag[0], "ref-city");
1927 break;
1928 case MDOC__D:
1929 PAIR_CLASS_INIT(&tag[0], "ref-date");
1930 break;
1931 case MDOC__I:
1932 PAIR_CLASS_INIT(&tag[0], "ref-issue");
1933 t = TAG_I;
1934 break;
1935 case MDOC__J:
1936 PAIR_CLASS_INIT(&tag[0], "ref-jrnl");
1937 t = TAG_I;
1938 break;
1939 case MDOC__N:
1940 PAIR_CLASS_INIT(&tag[0], "ref-num");
1941 break;
1942 case MDOC__O:
1943 PAIR_CLASS_INIT(&tag[0], "ref-opt");
1944 break;
1945 case MDOC__P:
1946 PAIR_CLASS_INIT(&tag[0], "ref-page");
1947 break;
1948 case MDOC__Q:
1949 PAIR_CLASS_INIT(&tag[0], "ref-corp");
1950 break;
1951 case MDOC__R:
1952 PAIR_CLASS_INIT(&tag[0], "ref-rep");
1953 break;
1954 case MDOC__T:
1955 PAIR_CLASS_INIT(&tag[0], "ref-title");
1956 break;
1957 case MDOC__U:
1958 PAIR_CLASS_INIT(&tag[0], "link-ref");
1959 break;
1960 case MDOC__V:
1961 PAIR_CLASS_INIT(&tag[0], "ref-vol");
1962 break;
1963 default:
1964 abort();
1965 }
1966
1967 if (MDOC__U != n->tok) {
1968 print_otag(h, t, 1, tag);
1969 return 1;
1970 }
1971
1972 PAIR_HREF_INIT(&tag[1], n->child->string);
1973 print_otag(h, TAG_A, 2, tag);
1974
1975 return 1;
1976 }
1977
1978 static void
1979 mdoc__x_post(MDOC_ARGS)
1980 {
1981
1982 if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
1983 if (NULL == n->next->next || MDOC__A != n->next->next->tok)
1984 if (NULL == n->prev || MDOC__A != n->prev->tok)
1985 return;
1986
1987 /* TODO: %U */
1988
1989 if (NULL == n->parent || MDOC_Rs != n->parent->tok)
1990 return;
1991
1992 h->flags |= HTML_NOSPACE;
1993 print_text(h, n->next ? "," : ".");
1994 }
1995
1996 static int
1997 mdoc_bk_pre(MDOC_ARGS)
1998 {
1999
2000 switch (n->type) {
2001 case ROFFT_BLOCK:
2002 break;
2003 case ROFFT_HEAD:
2004 return 0;
2005 case ROFFT_BODY:
2006 if (n->parent->args || 0 == n->prev->nchild)
2007 h->flags |= HTML_PREKEEP;
2008 break;
2009 default:
2010 abort();
2011 }
2012
2013 return 1;
2014 }
2015
2016 static void
2017 mdoc_bk_post(MDOC_ARGS)
2018 {
2019
2020 if (n->type == ROFFT_BODY)
2021 h->flags &= ~(HTML_KEEP | HTML_PREKEEP);
2022 }
2023
2024 static int
2025 mdoc_quote_pre(MDOC_ARGS)
2026 {
2027 struct htmlpair tag;
2028
2029 if (n->type != ROFFT_BODY)
2030 return 1;
2031
2032 switch (n->tok) {
2033 case MDOC_Ao:
2034 case MDOC_Aq:
2035 print_text(h, n->nchild == 1 &&
2036 n->child->tok == MDOC_Mt ? "<" : "\\(la");
2037 break;
2038 case MDOC_Bro:
2039 case MDOC_Brq:
2040 print_text(h, "\\(lC");
2041 break;
2042 case MDOC_Bo:
2043 case MDOC_Bq:
2044 print_text(h, "\\(lB");
2045 break;
2046 case MDOC_Oo:
2047 case MDOC_Op:
2048 print_text(h, "\\(lB");
2049 h->flags |= HTML_NOSPACE;
2050 PAIR_CLASS_INIT(&tag, "opt");
2051 print_otag(h, TAG_SPAN, 1, &tag);
2052 break;
2053 case MDOC_En:
2054 if (NULL == n->norm->Es ||
2055 NULL == n->norm->Es->child)
2056 return 1;
2057 print_text(h, n->norm->Es->child->string);
2058 break;
2059 case MDOC_Do:
2060 case MDOC_Dq:
2061 case MDOC_Qo:
2062 case MDOC_Qq:
2063 print_text(h, "\\(lq");
2064 break;
2065 case MDOC_Po:
2066 case MDOC_Pq:
2067 print_text(h, "(");
2068 break;
2069 case MDOC_Ql:
2070 print_text(h, "\\(oq");
2071 h->flags |= HTML_NOSPACE;
2072 PAIR_CLASS_INIT(&tag, "lit");
2073 print_otag(h, TAG_CODE, 1, &tag);
2074 break;
2075 case MDOC_So:
2076 case MDOC_Sq:
2077 print_text(h, "\\(oq");
2078 break;
2079 default:
2080 abort();
2081 }
2082
2083 h->flags |= HTML_NOSPACE;
2084 return 1;
2085 }
2086
2087 static void
2088 mdoc_quote_post(MDOC_ARGS)
2089 {
2090
2091 if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
2092 return;
2093
2094 h->flags |= HTML_NOSPACE;
2095
2096 switch (n->tok) {
2097 case MDOC_Ao:
2098 case MDOC_Aq:
2099 print_text(h, n->nchild == 1 &&
2100 n->child->tok == MDOC_Mt ? ">" : "\\(ra");
2101 break;
2102 case MDOC_Bro:
2103 case MDOC_Brq:
2104 print_text(h, "\\(rC");
2105 break;
2106 case MDOC_Oo:
2107 case MDOC_Op:
2108 case MDOC_Bo:
2109 case MDOC_Bq:
2110 print_text(h, "\\(rB");
2111 break;
2112 case MDOC_En:
2113 if (n->norm->Es == NULL ||
2114 n->norm->Es->child == NULL ||
2115 n->norm->Es->child->next == NULL)
2116 h->flags &= ~HTML_NOSPACE;
2117 else
2118 print_text(h, n->norm->Es->child->next->string);
2119 break;
2120 case MDOC_Qo:
2121 case MDOC_Qq:
2122 case MDOC_Do:
2123 case MDOC_Dq:
2124 print_text(h, "\\(rq");
2125 break;
2126 case MDOC_Po:
2127 case MDOC_Pq:
2128 print_text(h, ")");
2129 break;
2130 case MDOC_Ql:
2131 case MDOC_So:
2132 case MDOC_Sq:
2133 print_text(h, "\\(cq");
2134 break;
2135 default:
2136 abort();
2137 }
2138 }
2139
2140 static int
2141 mdoc_eo_pre(MDOC_ARGS)
2142 {
2143
2144 if (n->type != ROFFT_BODY)
2145 return 1;
2146
2147 if (n->end == ENDBODY_NOT &&
2148 n->parent->head->child == NULL &&
2149 n->child != NULL &&
2150 n->child->end != ENDBODY_NOT)
2151 print_text(h, "\\&");
2152 else if (n->end != ENDBODY_NOT ? n->child != NULL :
2153 n->parent->head->child != NULL && (n->child != NULL ||
2154 (n->parent->tail != NULL && n->parent->tail->child != NULL)))
2155 h->flags |= HTML_NOSPACE;
2156 return 1;
2157 }
2158
2159 static void
2160 mdoc_eo_post(MDOC_ARGS)
2161 {
2162 int body, tail;
2163
2164 if (n->type != ROFFT_BODY)
2165 return;
2166
2167 if (n->end != ENDBODY_NOT) {
2168 h->flags &= ~HTML_NOSPACE;
2169 return;
2170 }
2171
2172 body = n->child != NULL || n->parent->head->child != NULL;
2173 tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
2174
2175 if (body && tail)
2176 h->flags |= HTML_NOSPACE;
2177 else if ( ! tail)
2178 h->flags &= ~HTML_NOSPACE;
2179 }
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