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8322 nl: misleading-indentation
[unleashed/tickless.git] / usr / src / cmd / mandoc / mdoc_html.c
blob8e21bc79630db9731bc965ad9d6a8fa4df9a5908
1 /* $Id: mdoc_html.c,v 1.240 2016/01/08 17:48:09 schwarze Exp $ */
2 /*
3 * Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
4 * Copyright (c) 2014, 2015, 2016 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
546 for (n = n->child; n != NULL && n->type == ROFFT_TEXT; ) {
547 bufcat_id(h, n->string);
548 if (NULL != (n = n->next))
549 bufcat_id(h, " ");
550 }
551
552 if (NULL == n) {
553 PAIR_ID_INIT(&tag, h->buf);
554 print_otag(h, TAG_H1, 1, &tag);
555 } else
556 print_otag(h, TAG_H1, 0, NULL);
557
558 return 1;
559 }
560
561 static int
562 mdoc_ss_pre(MDOC_ARGS)
563 {
564 struct htmlpair tag;
565
566 if (n->type == ROFFT_BLOCK) {
567 PAIR_CLASS_INIT(&tag, "subsection");
568 print_otag(h, TAG_DIV, 1, &tag);
569 return 1;
570 } else if (n->type == ROFFT_BODY)
571 return 1;
572
573 bufinit(h);
574
575 for (n = n->child; n != NULL && n->type == ROFFT_TEXT; ) {
576 bufcat_id(h, n->string);
577 if (NULL != (n = n->next))
578 bufcat_id(h, " ");
579 }
580
581 if (NULL == n) {
582 PAIR_ID_INIT(&tag, h->buf);
583 print_otag(h, TAG_H2, 1, &tag);
584 } else
585 print_otag(h, TAG_H2, 0, NULL);
586
587 return 1;
588 }
589
590 static int
591 mdoc_fl_pre(MDOC_ARGS)
592 {
593 struct htmlpair tag;
594
595 PAIR_CLASS_INIT(&tag, "flag");
596 print_otag(h, TAG_B, 1, &tag);
597
598 /* `Cm' has no leading hyphen. */
599
600 if (MDOC_Cm == n->tok)
601 return 1;
602
603 print_text(h, "\\-");
604
605 if (!(n->child == NULL &&
606 (n->next == NULL ||
607 n->next->type == ROFFT_TEXT ||
608 n->next->flags & MDOC_LINE)))
609 h->flags |= HTML_NOSPACE;
610
611 return 1;
612 }
613
614 static int
615 mdoc_nd_pre(MDOC_ARGS)
616 {
617 struct htmlpair tag;
618
619 if (n->type != ROFFT_BODY)
620 return 1;
621
622 /* XXX: this tag in theory can contain block elements. */
623
624 print_text(h, "\\(em");
625 PAIR_CLASS_INIT(&tag, "desc");
626 print_otag(h, TAG_SPAN, 1, &tag);
627 return 1;
628 }
629
630 static int
631 mdoc_nm_pre(MDOC_ARGS)
632 {
633 struct htmlpair tag;
634 struct roffsu su;
635 int len;
636
637 switch (n->type) {
638 case ROFFT_HEAD:
639 print_otag(h, TAG_TD, 0, NULL);
640 /* FALLTHROUGH */
641 case ROFFT_ELEM:
642 PAIR_CLASS_INIT(&tag, "name");
643 print_otag(h, TAG_B, 1, &tag);
644 if (n->child == NULL && meta->name != NULL)
645 print_text(h, meta->name);
646 return 1;
647 case ROFFT_BODY:
648 print_otag(h, TAG_TD, 0, NULL);
649 return 1;
650 default:
651 break;
652 }
653
654 synopsis_pre(h, n);
655 PAIR_CLASS_INIT(&tag, "synopsis");
656 print_otag(h, TAG_TABLE, 1, &tag);
657
658 for (len = 0, n = n->head->child; n; n = n->next)
659 if (n->type == ROFFT_TEXT)
660 len += html_strlen(n->string);
661
662 if (len == 0 && meta->name != NULL)
663 len = html_strlen(meta->name);
664
665 SCALE_HS_INIT(&su, len);
666 bufinit(h);
667 bufcat_su(h, "width", &su);
668 PAIR_STYLE_INIT(&tag, h);
669 print_otag(h, TAG_COL, 1, &tag);
670 print_otag(h, TAG_COL, 0, NULL);
671 print_otag(h, TAG_TBODY, 0, NULL);
672 print_otag(h, TAG_TR, 0, NULL);
673 return 1;
674 }
675
676 static int
677 mdoc_xr_pre(MDOC_ARGS)
678 {
679 struct htmlpair tag[2];
680
681 if (NULL == n->child)
682 return 0;
683
684 PAIR_CLASS_INIT(&tag[0], "link-man");
685
686 if (h->base_man) {
687 buffmt_man(h, n->child->string,
688 n->child->next ?
689 n->child->next->string : NULL);
690 PAIR_HREF_INIT(&tag[1], h->buf);
691 print_otag(h, TAG_A, 2, tag);
692 } else
693 print_otag(h, TAG_A, 1, tag);
694
695 n = n->child;
696 print_text(h, n->string);
697
698 if (NULL == (n = n->next))
699 return 0;
700
701 h->flags |= HTML_NOSPACE;
702 print_text(h, "(");
703 h->flags |= HTML_NOSPACE;
704 print_text(h, n->string);
705 h->flags |= HTML_NOSPACE;
706 print_text(h, ")");
707 return 0;
708 }
709
710 static int
711 mdoc_ns_pre(MDOC_ARGS)
712 {
713
714 if ( ! (MDOC_LINE & n->flags))
715 h->flags |= HTML_NOSPACE;
716 return 1;
717 }
718
719 static int
720 mdoc_ar_pre(MDOC_ARGS)
721 {
722 struct htmlpair tag;
723
724 PAIR_CLASS_INIT(&tag, "arg");
725 print_otag(h, TAG_I, 1, &tag);
726 return 1;
727 }
728
729 static int
730 mdoc_xx_pre(MDOC_ARGS)
731 {
732 const char *pp;
733 struct htmlpair tag;
734 int flags;
735
736 switch (n->tok) {
737 case MDOC_Bsx:
738 pp = "BSD/OS";
739 break;
740 case MDOC_Dx:
741 pp = "DragonFly";
742 break;
743 case MDOC_Fx:
744 pp = "FreeBSD";
745 break;
746 case MDOC_Nx:
747 pp = "NetBSD";
748 break;
749 case MDOC_Ox:
750 pp = "OpenBSD";
751 break;
752 case MDOC_Ux:
753 pp = "UNIX";
754 break;
755 default:
756 return 1;
757 }
758
759 PAIR_CLASS_INIT(&tag, "unix");
760 print_otag(h, TAG_SPAN, 1, &tag);
761
762 print_text(h, pp);
763 if (n->child) {
764 flags = h->flags;
765 h->flags |= HTML_KEEP;
766 print_text(h, n->child->string);
767 h->flags = flags;
768 }
769 return 0;
770 }
771
772 static int
773 mdoc_bx_pre(MDOC_ARGS)
774 {
775 struct htmlpair tag;
776
777 PAIR_CLASS_INIT(&tag, "unix");
778 print_otag(h, TAG_SPAN, 1, &tag);
779
780 if (NULL != (n = n->child)) {
781 print_text(h, n->string);
782 h->flags |= HTML_NOSPACE;
783 print_text(h, "BSD");
784 } else {
785 print_text(h, "BSD");
786 return 0;
787 }
788
789 if (NULL != (n = n->next)) {
790 h->flags |= HTML_NOSPACE;
791 print_text(h, "-");
792 h->flags |= HTML_NOSPACE;
793 print_text(h, n->string);
794 }
795
796 return 0;
797 }
798
799 static int
800 mdoc_it_pre(MDOC_ARGS)
801 {
802 struct roffsu su;
803 enum mdoc_list type;
804 struct htmlpair tag[2];
805 const struct roff_node *bl;
806
807 bl = n->parent;
808 while (bl && MDOC_Bl != bl->tok)
809 bl = bl->parent;
810
811 assert(bl);
812
813 type = bl->norm->Bl.type;
814
815 assert(lists[type]);
816 PAIR_CLASS_INIT(&tag[0], lists[type]);
817
818 bufinit(h);
819
820 if (n->type == ROFFT_HEAD) {
821 switch (type) {
822 case LIST_bullet:
823 case LIST_dash:
824 case LIST_item:
825 case LIST_hyphen:
826 case LIST_enum:
827 return 0;
828 case LIST_diag:
829 case LIST_hang:
830 case LIST_inset:
831 case LIST_ohang:
832 case LIST_tag:
833 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
834 bufcat_su(h, "margin-top", &su);
835 PAIR_STYLE_INIT(&tag[1], h);
836 print_otag(h, TAG_DT, 2, tag);
837 if (LIST_diag != type)
838 break;
839 PAIR_CLASS_INIT(&tag[0], "diag");
840 print_otag(h, TAG_B, 1, tag);
841 break;
842 case LIST_column:
843 break;
844 default:
845 break;
846 }
847 } else if (n->type == ROFFT_BODY) {
848 switch (type) {
849 case LIST_bullet:
850 case LIST_hyphen:
851 case LIST_dash:
852 case LIST_enum:
853 case LIST_item:
854 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
855 bufcat_su(h, "margin-top", &su);
856 PAIR_STYLE_INIT(&tag[1], h);
857 print_otag(h, TAG_LI, 2, tag);
858 break;
859 case LIST_diag:
860 case LIST_hang:
861 case LIST_inset:
862 case LIST_ohang:
863 case LIST_tag:
864 if (NULL == bl->norm->Bl.width) {
865 print_otag(h, TAG_DD, 1, tag);
866 break;
867 }
868 a2width(bl->norm->Bl.width, &su);
869 bufcat_su(h, "margin-left", &su);
870 PAIR_STYLE_INIT(&tag[1], h);
871 print_otag(h, TAG_DD, 2, tag);
872 break;
873 case LIST_column:
874 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
875 bufcat_su(h, "margin-top", &su);
876 PAIR_STYLE_INIT(&tag[1], h);
877 print_otag(h, TAG_TD, 2, tag);
878 break;
879 default:
880 break;
881 }
882 } else {
883 switch (type) {
884 case LIST_column:
885 print_otag(h, TAG_TR, 1, tag);
886 break;
887 default:
888 break;
889 }
890 }
891
892 return 1;
893 }
894
895 static int
896 mdoc_bl_pre(MDOC_ARGS)
897 {
898 int i;
899 struct htmlpair tag[3];
900 struct roffsu su;
901 char buf[BUFSIZ];
902
903 if (n->type == ROFFT_BODY) {
904 if (LIST_column == n->norm->Bl.type)
905 print_otag(h, TAG_TBODY, 0, NULL);
906 return 1;
907 }
908
909 if (n->type == ROFFT_HEAD) {
910 if (LIST_column != n->norm->Bl.type)
911 return 0;
912
913 /*
914 * For each column, print out the <COL> tag with our
915 * suggested width. The last column gets min-width, as
916 * in terminal mode it auto-sizes to the width of the
917 * screen and we want to preserve that behaviour.
918 */
919
920 for (i = 0; i < (int)n->norm->Bl.ncols; i++) {
921 bufinit(h);
922 a2width(n->norm->Bl.cols[i], &su);
923 if (i < (int)n->norm->Bl.ncols - 1)
924 bufcat_su(h, "width", &su);
925 else
926 bufcat_su(h, "min-width", &su);
927 PAIR_STYLE_INIT(&tag[0], h);
928 print_otag(h, TAG_COL, 1, tag);
929 }
930
931 return 0;
932 }
933
934 SCALE_VS_INIT(&su, 0);
935 bufinit(h);
936 bufcat_su(h, "margin-top", &su);
937 bufcat_su(h, "margin-bottom", &su);
938 PAIR_STYLE_INIT(&tag[0], h);
939
940 assert(lists[n->norm->Bl.type]);
941 (void)strlcpy(buf, "list ", BUFSIZ);
942 (void)strlcat(buf, lists[n->norm->Bl.type], BUFSIZ);
943 PAIR_INIT(&tag[1], ATTR_CLASS, buf);
944
945 /* Set the block's left-hand margin. */
946
947 if (n->norm->Bl.offs) {
948 a2width(n->norm->Bl.offs, &su);
949 bufcat_su(h, "margin-left", &su);
950 }
951
952 switch (n->norm->Bl.type) {
953 case LIST_bullet:
954 case LIST_dash:
955 case LIST_hyphen:
956 case LIST_item:
957 print_otag(h, TAG_UL, 2, tag);
958 break;
959 case LIST_enum:
960 print_otag(h, TAG_OL, 2, tag);
961 break;
962 case LIST_diag:
963 case LIST_hang:
964 case LIST_inset:
965 case LIST_ohang:
966 case LIST_tag:
967 print_otag(h, TAG_DL, 2, tag);
968 break;
969 case LIST_column:
970 print_otag(h, TAG_TABLE, 2, tag);
971 break;
972 default:
973 abort();
974 }
975
976 return 1;
977 }
978
979 static int
980 mdoc_ex_pre(MDOC_ARGS)
981 {
982 struct htmlpair tag;
983 struct tag *t;
984 struct roff_node *nch;
985
986 if (n->prev)
987 print_otag(h, TAG_BR, 0, NULL);
988
989 PAIR_CLASS_INIT(&tag, "utility");
990
991 print_text(h, "The");
992
993 for (nch = n->child; nch != NULL; nch = nch->next) {
994 assert(nch->type == ROFFT_TEXT);
995
996 t = print_otag(h, TAG_B, 1, &tag);
997 print_text(h, nch->string);
998 print_tagq(h, t);
999
1000 if (nch->next == NULL)
1001 continue;
1002
1003 if (nch->prev != NULL || nch->next->next != NULL) {
1004 h->flags |= HTML_NOSPACE;
1005 print_text(h, ",");
1006 }
1007
1008 if (nch->next->next == NULL)
1009 print_text(h, "and");
1010 }
1011
1012 if (n->child != NULL && n->child->next != NULL)
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, "#");
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 struct roff_node *nch;
1701
1702 if (n->prev)
1703 print_otag(h, TAG_BR, 0, NULL);
1704
1705 PAIR_CLASS_INIT(&tag, "fname");
1706
1707 if (n->child != NULL) {
1708 print_text(h, "The");
1709
1710 for (nch = n->child; nch != NULL; nch = nch->next) {
1711 t = print_otag(h, TAG_B, 1, &tag);
1712 print_text(h, nch->string);
1713 print_tagq(h, t);
1714
1715 h->flags |= HTML_NOSPACE;
1716 print_text(h, "()");
1717
1718 if (nch->next == NULL)
1719 continue;
1720
1721 if (nch->prev != NULL || nch->next->next != NULL) {
1722 h->flags |= HTML_NOSPACE;
1723 print_text(h, ",");
1724 }
1725 if (nch->next->next == NULL)
1726 print_text(h, "and");
1727 }
1728
1729 if (n->child != NULL && n->child->next != NULL)
1730 print_text(h, "functions return");
1731 else
1732 print_text(h, "function returns");
1733
1734 print_text(h, "the value\\~0 if successful;");
1735 } else
1736 print_text(h, "Upon successful completion,"
1737 " the value\\~0 is returned;");
1738
1739 print_text(h, "otherwise the value\\~\\-1 is returned"
1740 " and the global variable");
1741
1742 PAIR_CLASS_INIT(&tag, "var");
1743 t = print_otag(h, TAG_B, 1, &tag);
1744 print_text(h, "errno");
1745 print_tagq(h, t);
1746 print_text(h, "is set to indicate the error.");
1747 return 0;
1748 }
1749
1750 static int
1751 mdoc_va_pre(MDOC_ARGS)
1752 {
1753 struct htmlpair tag;
1754
1755 PAIR_CLASS_INIT(&tag, "var");
1756 print_otag(h, TAG_B, 1, &tag);
1757 return 1;
1758 }
1759
1760 static int
1761 mdoc_ap_pre(MDOC_ARGS)
1762 {
1763
1764 h->flags |= HTML_NOSPACE;
1765 print_text(h, "\\(aq");
1766 h->flags |= HTML_NOSPACE;
1767 return 1;
1768 }
1769
1770 static int
1771 mdoc_bf_pre(MDOC_ARGS)
1772 {
1773 struct htmlpair tag[2];
1774 struct roffsu su;
1775
1776 if (n->type == ROFFT_HEAD)
1777 return 0;
1778 else if (n->type != ROFFT_BODY)
1779 return 1;
1780
1781 if (FONT_Em == n->norm->Bf.font)
1782 PAIR_CLASS_INIT(&tag[0], "emph");
1783 else if (FONT_Sy == n->norm->Bf.font)
1784 PAIR_CLASS_INIT(&tag[0], "symb");
1785 else if (FONT_Li == n->norm->Bf.font)
1786 PAIR_CLASS_INIT(&tag[0], "lit");
1787 else
1788 PAIR_CLASS_INIT(&tag[0], "none");
1789
1790 /*
1791 * We want this to be inline-formatted, but needs to be div to
1792 * accept block children.
1793 */
1794 bufinit(h);
1795 bufcat_style(h, "display", "inline");
1796 SCALE_HS_INIT(&su, 1);
1797 /* Needs a left-margin for spacing. */
1798 bufcat_su(h, "margin-left", &su);
1799 PAIR_STYLE_INIT(&tag[1], h);
1800 print_otag(h, TAG_DIV, 2, tag);
1801 return 1;
1802 }
1803
1804 static int
1805 mdoc_ms_pre(MDOC_ARGS)
1806 {
1807 struct htmlpair tag;
1808
1809 PAIR_CLASS_INIT(&tag, "symb");
1810 print_otag(h, TAG_SPAN, 1, &tag);
1811 return 1;
1812 }
1813
1814 static int
1815 mdoc_igndelim_pre(MDOC_ARGS)
1816 {
1817
1818 h->flags |= HTML_IGNDELIM;
1819 return 1;
1820 }
1821
1822 static void
1823 mdoc_pf_post(MDOC_ARGS)
1824 {
1825
1826 if ( ! (n->next == NULL || n->next->flags & MDOC_LINE))
1827 h->flags |= HTML_NOSPACE;
1828 }
1829
1830 static int
1831 mdoc_rs_pre(MDOC_ARGS)
1832 {
1833 struct htmlpair tag;
1834
1835 if (n->type != ROFFT_BLOCK)
1836 return 1;
1837
1838 if (n->prev && SEC_SEE_ALSO == n->sec)
1839 print_paragraph(h);
1840
1841 PAIR_CLASS_INIT(&tag, "ref");
1842 print_otag(h, TAG_SPAN, 1, &tag);
1843 return 1;
1844 }
1845
1846 static int
1847 mdoc_no_pre(MDOC_ARGS)
1848 {
1849 struct htmlpair tag;
1850
1851 PAIR_CLASS_INIT(&tag, "none");
1852 print_otag(h, TAG_CODE, 1, &tag);
1853 return 1;
1854 }
1855
1856 static int
1857 mdoc_li_pre(MDOC_ARGS)
1858 {
1859 struct htmlpair tag;
1860
1861 PAIR_CLASS_INIT(&tag, "lit");
1862 print_otag(h, TAG_CODE, 1, &tag);
1863 return 1;
1864 }
1865
1866 static int
1867 mdoc_sy_pre(MDOC_ARGS)
1868 {
1869 struct htmlpair tag;
1870
1871 PAIR_CLASS_INIT(&tag, "symb");
1872 print_otag(h, TAG_SPAN, 1, &tag);
1873 return 1;
1874 }
1875
1876 static int
1877 mdoc_bt_pre(MDOC_ARGS)
1878 {
1879
1880 print_text(h, "is currently in beta test.");
1881 return 0;
1882 }
1883
1884 static int
1885 mdoc_ud_pre(MDOC_ARGS)
1886 {
1887
1888 print_text(h, "currently under development.");
1889 return 0;
1890 }
1891
1892 static int
1893 mdoc_lb_pre(MDOC_ARGS)
1894 {
1895 struct htmlpair tag;
1896
1897 if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags && n->prev)
1898 print_otag(h, TAG_BR, 0, NULL);
1899
1900 PAIR_CLASS_INIT(&tag, "lib");
1901 print_otag(h, TAG_SPAN, 1, &tag);
1902 return 1;
1903 }
1904
1905 static int
1906 mdoc__x_pre(MDOC_ARGS)
1907 {
1908 struct htmlpair tag[2];
1909 enum htmltag t;
1910
1911 t = TAG_SPAN;
1912
1913 switch (n->tok) {
1914 case MDOC__A:
1915 PAIR_CLASS_INIT(&tag[0], "ref-auth");
1916 if (n->prev && MDOC__A == n->prev->tok)
1917 if (NULL == n->next || MDOC__A != n->next->tok)
1918 print_text(h, "and");
1919 break;
1920 case MDOC__B:
1921 PAIR_CLASS_INIT(&tag[0], "ref-book");
1922 t = TAG_I;
1923 break;
1924 case MDOC__C:
1925 PAIR_CLASS_INIT(&tag[0], "ref-city");
1926 break;
1927 case MDOC__D:
1928 PAIR_CLASS_INIT(&tag[0], "ref-date");
1929 break;
1930 case MDOC__I:
1931 PAIR_CLASS_INIT(&tag[0], "ref-issue");
1932 t = TAG_I;
1933 break;
1934 case MDOC__J:
1935 PAIR_CLASS_INIT(&tag[0], "ref-jrnl");
1936 t = TAG_I;
1937 break;
1938 case MDOC__N:
1939 PAIR_CLASS_INIT(&tag[0], "ref-num");
1940 break;
1941 case MDOC__O:
1942 PAIR_CLASS_INIT(&tag[0], "ref-opt");
1943 break;
1944 case MDOC__P:
1945 PAIR_CLASS_INIT(&tag[0], "ref-page");
1946 break;
1947 case MDOC__Q:
1948 PAIR_CLASS_INIT(&tag[0], "ref-corp");
1949 break;
1950 case MDOC__R:
1951 PAIR_CLASS_INIT(&tag[0], "ref-rep");
1952 break;
1953 case MDOC__T:
1954 PAIR_CLASS_INIT(&tag[0], "ref-title");
1955 break;
1956 case MDOC__U:
1957 PAIR_CLASS_INIT(&tag[0], "link-ref");
1958 break;
1959 case MDOC__V:
1960 PAIR_CLASS_INIT(&tag[0], "ref-vol");
1961 break;
1962 default:
1963 abort();
1964 }
1965
1966 if (MDOC__U != n->tok) {
1967 print_otag(h, t, 1, tag);
1968 return 1;
1969 }
1970
1971 PAIR_HREF_INIT(&tag[1], n->child->string);
1972 print_otag(h, TAG_A, 2, tag);
1973
1974 return 1;
1975 }
1976
1977 static void
1978 mdoc__x_post(MDOC_ARGS)
1979 {
1980
1981 if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
1982 if (NULL == n->next->next || MDOC__A != n->next->next->tok)
1983 if (NULL == n->prev || MDOC__A != n->prev->tok)
1984 return;
1985
1986 /* TODO: %U */
1987
1988 if (NULL == n->parent || MDOC_Rs != n->parent->tok)
1989 return;
1990
1991 h->flags |= HTML_NOSPACE;
1992 print_text(h, n->next ? "," : ".");
1993 }
1994
1995 static int
1996 mdoc_bk_pre(MDOC_ARGS)
1997 {
1998
1999 switch (n->type) {
2000 case ROFFT_BLOCK:
2001 break;
2002 case ROFFT_HEAD:
2003 return 0;
2004 case ROFFT_BODY:
2005 if (n->parent->args != NULL || n->prev->child == NULL)
2006 h->flags |= HTML_PREKEEP;
2007 break;
2008 default:
2009 abort();
2010 }
2011
2012 return 1;
2013 }
2014
2015 static void
2016 mdoc_bk_post(MDOC_ARGS)
2017 {
2018
2019 if (n->type == ROFFT_BODY)
2020 h->flags &= ~(HTML_KEEP | HTML_PREKEEP);
2021 }
2022
2023 static int
2024 mdoc_quote_pre(MDOC_ARGS)
2025 {
2026 struct htmlpair tag;
2027
2028 if (n->type != ROFFT_BODY)
2029 return 1;
2030
2031 switch (n->tok) {
2032 case MDOC_Ao:
2033 case MDOC_Aq:
2034 print_text(h, n->child != NULL && n->child->next == NULL &&
2035 n->child->tok == MDOC_Mt ? "<" : "\\(la");
2036 break;
2037 case MDOC_Bro:
2038 case MDOC_Brq:
2039 print_text(h, "\\(lC");
2040 break;
2041 case MDOC_Bo:
2042 case MDOC_Bq:
2043 print_text(h, "\\(lB");
2044 break;
2045 case MDOC_Oo:
2046 case MDOC_Op:
2047 print_text(h, "\\(lB");
2048 h->flags |= HTML_NOSPACE;
2049 PAIR_CLASS_INIT(&tag, "opt");
2050 print_otag(h, TAG_SPAN, 1, &tag);
2051 break;
2052 case MDOC_En:
2053 if (NULL == n->norm->Es ||
2054 NULL == n->norm->Es->child)
2055 return 1;
2056 print_text(h, n->norm->Es->child->string);
2057 break;
2058 case MDOC_Do:
2059 case MDOC_Dq:
2060 case MDOC_Qo:
2061 case MDOC_Qq:
2062 print_text(h, "\\(lq");
2063 break;
2064 case MDOC_Po:
2065 case MDOC_Pq:
2066 print_text(h, "(");
2067 break;
2068 case MDOC_Ql:
2069 print_text(h, "\\(oq");
2070 h->flags |= HTML_NOSPACE;
2071 PAIR_CLASS_INIT(&tag, "lit");
2072 print_otag(h, TAG_CODE, 1, &tag);
2073 break;
2074 case MDOC_So:
2075 case MDOC_Sq:
2076 print_text(h, "\\(oq");
2077 break;
2078 default:
2079 abort();
2080 }
2081
2082 h->flags |= HTML_NOSPACE;
2083 return 1;
2084 }
2085
2086 static void
2087 mdoc_quote_post(MDOC_ARGS)
2088 {
2089
2090 if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
2091 return;
2092
2093 h->flags |= HTML_NOSPACE;
2094
2095 switch (n->tok) {
2096 case MDOC_Ao:
2097 case MDOC_Aq:
2098 print_text(h, n->child != NULL && n->child->next == NULL &&
2099 n->child->tok == MDOC_Mt ? ">" : "\\(ra");
2100 break;
2101 case MDOC_Bro:
2102 case MDOC_Brq:
2103 print_text(h, "\\(rC");
2104 break;
2105 case MDOC_Oo:
2106 case MDOC_Op:
2107 case MDOC_Bo:
2108 case MDOC_Bq:
2109 print_text(h, "\\(rB");
2110 break;
2111 case MDOC_En:
2112 if (n->norm->Es == NULL ||
2113 n->norm->Es->child == NULL ||
2114 n->norm->Es->child->next == NULL)
2115 h->flags &= ~HTML_NOSPACE;
2116 else
2117 print_text(h, n->norm->Es->child->next->string);
2118 break;
2119 case MDOC_Qo:
2120 case MDOC_Qq:
2121 case MDOC_Do:
2122 case MDOC_Dq:
2123 print_text(h, "\\(rq");
2124 break;
2125 case MDOC_Po:
2126 case MDOC_Pq:
2127 print_text(h, ")");
2128 break;
2129 case MDOC_Ql:
2130 case MDOC_So:
2131 case MDOC_Sq:
2132 print_text(h, "\\(cq");
2133 break;
2134 default:
2135 abort();
2136 }
2137 }
2138
2139 static int
2140 mdoc_eo_pre(MDOC_ARGS)
2141 {
2142
2143 if (n->type != ROFFT_BODY)
2144 return 1;
2145
2146 if (n->end == ENDBODY_NOT &&
2147 n->parent->head->child == NULL &&
2148 n->child != NULL &&
2149 n->child->end != ENDBODY_NOT)
2150 print_text(h, "\\&");
2151 else if (n->end != ENDBODY_NOT ? n->child != NULL :
2152 n->parent->head->child != NULL && (n->child != NULL ||
2153 (n->parent->tail != NULL && n->parent->tail->child != NULL)))
2154 h->flags |= HTML_NOSPACE;
2155 return 1;
2156 }
2157
2158 static void
2159 mdoc_eo_post(MDOC_ARGS)
2160 {
2161 int body, tail;
2162
2163 if (n->type != ROFFT_BODY)
2164 return;
2165
2166 if (n->end != ENDBODY_NOT) {
2167 h->flags &= ~HTML_NOSPACE;
2168 return;
2169 }
2170
2171 body = n->child != NULL || n->parent->head->child != NULL;
2172 tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
2173
2174 if (body && tail)
2175 h->flags |= HTML_NOSPACE;
2176 else if ( ! tail)
2177 h->flags &= ~HTML_NOSPACE;
2178 }
unleashed repo fork