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[mandoc.git] / mdoc_html.c
1 /* $Id: mdoc_html.c,v 1.193 2014/07/30 00:19:16 schwarze Exp $ */
2 /*
3 * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
4 * Copyright (c) 2014 Ingo Schwarze <schwarze@openbsd.org>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18 #ifdef HAVE_CONFIG_H
19 #include "config.h"
20 #endif
21
22 #include <sys/types.h>
23
24 #include <assert.h>
25 #include <ctype.h>
26 #include <stdio.h>
27 #include <stdlib.h>
28 #include <string.h>
29 #include <unistd.h>
30
31 #include "mandoc.h"
32 #include "mandoc_aux.h"
33 #include "out.h"
34 #include "html.h"
35 #include "mdoc.h"
36 #include "main.h"
37
38 #define INDENT 5
39
40 #define MDOC_ARGS const struct mdoc_meta *meta, \
41 const struct mdoc_node *n, \
42 struct html *h
43
44 #ifndef MIN
45 #define MIN(a,b) ((/*CONSTCOND*/(a)<(b))?(a):(b))
46 #endif
47
48 struct htmlmdoc {
49 int (*pre)(MDOC_ARGS);
50 void (*post)(MDOC_ARGS);
51 };
52
53 static void print_mdoc(MDOC_ARGS);
54 static void print_mdoc_head(MDOC_ARGS);
55 static void print_mdoc_node(MDOC_ARGS);
56 static void print_mdoc_nodelist(MDOC_ARGS);
57 static void synopsis_pre(struct html *,
58 const struct mdoc_node *);
59
60 static void a2width(const char *, struct roffsu *);
61 static void a2offs(const char *, struct roffsu *);
62
63 static void mdoc_root_post(MDOC_ARGS);
64 static int mdoc_root_pre(MDOC_ARGS);
65
66 static void mdoc__x_post(MDOC_ARGS);
67 static int mdoc__x_pre(MDOC_ARGS);
68 static int mdoc_ad_pre(MDOC_ARGS);
69 static int mdoc_an_pre(MDOC_ARGS);
70 static int mdoc_ap_pre(MDOC_ARGS);
71 static int mdoc_ar_pre(MDOC_ARGS);
72 static int mdoc_bd_pre(MDOC_ARGS);
73 static int mdoc_bf_pre(MDOC_ARGS);
74 static void mdoc_bk_post(MDOC_ARGS);
75 static int mdoc_bk_pre(MDOC_ARGS);
76 static int mdoc_bl_pre(MDOC_ARGS);
77 static int mdoc_bt_pre(MDOC_ARGS);
78 static int mdoc_bx_pre(MDOC_ARGS);
79 static int mdoc_cd_pre(MDOC_ARGS);
80 static int mdoc_d1_pre(MDOC_ARGS);
81 static int mdoc_dv_pre(MDOC_ARGS);
82 static int mdoc_fa_pre(MDOC_ARGS);
83 static int mdoc_fd_pre(MDOC_ARGS);
84 static int mdoc_fl_pre(MDOC_ARGS);
85 static int mdoc_fn_pre(MDOC_ARGS);
86 static int mdoc_ft_pre(MDOC_ARGS);
87 static int mdoc_em_pre(MDOC_ARGS);
88 static int mdoc_er_pre(MDOC_ARGS);
89 static int mdoc_ev_pre(MDOC_ARGS);
90 static int mdoc_ex_pre(MDOC_ARGS);
91 static void mdoc_fo_post(MDOC_ARGS);
92 static int mdoc_fo_pre(MDOC_ARGS);
93 static int mdoc_ic_pre(MDOC_ARGS);
94 static int mdoc_igndelim_pre(MDOC_ARGS);
95 static int mdoc_in_pre(MDOC_ARGS);
96 static int mdoc_it_pre(MDOC_ARGS);
97 static int mdoc_lb_pre(MDOC_ARGS);
98 static int mdoc_li_pre(MDOC_ARGS);
99 static int mdoc_lk_pre(MDOC_ARGS);
100 static int mdoc_mt_pre(MDOC_ARGS);
101 static int mdoc_ms_pre(MDOC_ARGS);
102 static int mdoc_nd_pre(MDOC_ARGS);
103 static int mdoc_nm_pre(MDOC_ARGS);
104 static int mdoc_ns_pre(MDOC_ARGS);
105 static int mdoc_pa_pre(MDOC_ARGS);
106 static void mdoc_pf_post(MDOC_ARGS);
107 static int mdoc_pp_pre(MDOC_ARGS);
108 static void mdoc_quote_post(MDOC_ARGS);
109 static int mdoc_quote_pre(MDOC_ARGS);
110 static int mdoc_rs_pre(MDOC_ARGS);
111 static int mdoc_rv_pre(MDOC_ARGS);
112 static int mdoc_sh_pre(MDOC_ARGS);
113 static int mdoc_skip_pre(MDOC_ARGS);
114 static int mdoc_sm_pre(MDOC_ARGS);
115 static int mdoc_sp_pre(MDOC_ARGS);
116 static int mdoc_ss_pre(MDOC_ARGS);
117 static int mdoc_sx_pre(MDOC_ARGS);
118 static int mdoc_sy_pre(MDOC_ARGS);
119 static int mdoc_ud_pre(MDOC_ARGS);
120 static int mdoc_va_pre(MDOC_ARGS);
121 static int mdoc_vt_pre(MDOC_ARGS);
122 static int mdoc_xr_pre(MDOC_ARGS);
123 static int mdoc_xx_pre(MDOC_ARGS);
124
125 static const struct htmlmdoc mdocs[MDOC_MAX] = {
126 {mdoc_ap_pre, NULL}, /* Ap */
127 {NULL, NULL}, /* Dd */
128 {NULL, NULL}, /* Dt */
129 {NULL, NULL}, /* Os */
130 {mdoc_sh_pre, NULL }, /* Sh */
131 {mdoc_ss_pre, NULL }, /* Ss */
132 {mdoc_pp_pre, NULL}, /* Pp */
133 {mdoc_d1_pre, NULL}, /* D1 */
134 {mdoc_d1_pre, NULL}, /* Dl */
135 {mdoc_bd_pre, NULL}, /* Bd */
136 {NULL, NULL}, /* Ed */
137 {mdoc_bl_pre, NULL}, /* Bl */
138 {NULL, NULL}, /* El */
139 {mdoc_it_pre, NULL}, /* It */
140 {mdoc_ad_pre, NULL}, /* Ad */
141 {mdoc_an_pre, NULL}, /* An */
142 {mdoc_ar_pre, NULL}, /* Ar */
143 {mdoc_cd_pre, NULL}, /* Cd */
144 {mdoc_fl_pre, NULL}, /* Cm */
145 {mdoc_dv_pre, NULL}, /* Dv */
146 {mdoc_er_pre, NULL}, /* Er */
147 {mdoc_ev_pre, NULL}, /* Ev */
148 {mdoc_ex_pre, NULL}, /* Ex */
149 {mdoc_fa_pre, NULL}, /* Fa */
150 {mdoc_fd_pre, NULL}, /* Fd */
151 {mdoc_fl_pre, NULL}, /* Fl */
152 {mdoc_fn_pre, NULL}, /* Fn */
153 {mdoc_ft_pre, NULL}, /* Ft */
154 {mdoc_ic_pre, NULL}, /* Ic */
155 {mdoc_in_pre, NULL}, /* In */
156 {mdoc_li_pre, NULL}, /* Li */
157 {mdoc_nd_pre, NULL}, /* Nd */
158 {mdoc_nm_pre, NULL}, /* Nm */
159 {mdoc_quote_pre, mdoc_quote_post}, /* Op */
160 {mdoc_ft_pre, NULL}, /* Ot */
161 {mdoc_pa_pre, NULL}, /* Pa */
162 {mdoc_rv_pre, NULL}, /* Rv */
163 {NULL, NULL}, /* St */
164 {mdoc_va_pre, NULL}, /* Va */
165 {mdoc_vt_pre, NULL}, /* Vt */
166 {mdoc_xr_pre, NULL}, /* Xr */
167 {mdoc__x_pre, mdoc__x_post}, /* %A */
168 {mdoc__x_pre, mdoc__x_post}, /* %B */
169 {mdoc__x_pre, mdoc__x_post}, /* %D */
170 {mdoc__x_pre, mdoc__x_post}, /* %I */
171 {mdoc__x_pre, mdoc__x_post}, /* %J */
172 {mdoc__x_pre, mdoc__x_post}, /* %N */
173 {mdoc__x_pre, mdoc__x_post}, /* %O */
174 {mdoc__x_pre, mdoc__x_post}, /* %P */
175 {mdoc__x_pre, mdoc__x_post}, /* %R */
176 {mdoc__x_pre, mdoc__x_post}, /* %T */
177 {mdoc__x_pre, mdoc__x_post}, /* %V */
178 {NULL, NULL}, /* Ac */
179 {mdoc_quote_pre, mdoc_quote_post}, /* Ao */
180 {mdoc_quote_pre, mdoc_quote_post}, /* Aq */
181 {NULL, NULL}, /* At */
182 {NULL, NULL}, /* Bc */
183 {mdoc_bf_pre, NULL}, /* Bf */
184 {mdoc_quote_pre, mdoc_quote_post}, /* Bo */
185 {mdoc_quote_pre, mdoc_quote_post}, /* Bq */
186 {mdoc_xx_pre, NULL}, /* Bsx */
187 {mdoc_bx_pre, NULL}, /* Bx */
188 {NULL, NULL}, /* Db */
189 {NULL, NULL}, /* Dc */
190 {mdoc_quote_pre, mdoc_quote_post}, /* Do */
191 {mdoc_quote_pre, mdoc_quote_post}, /* Dq */
192 {NULL, NULL}, /* Ec */ /* FIXME: no space */
193 {NULL, NULL}, /* Ef */
194 {mdoc_em_pre, NULL}, /* Em */
195 {mdoc_quote_pre, mdoc_quote_post}, /* Eo */
196 {mdoc_xx_pre, NULL}, /* Fx */
197 {mdoc_ms_pre, NULL}, /* Ms */
198 {mdoc_igndelim_pre, NULL}, /* No */
199 {mdoc_ns_pre, NULL}, /* Ns */
200 {mdoc_xx_pre, NULL}, /* Nx */
201 {mdoc_xx_pre, NULL}, /* Ox */
202 {NULL, NULL}, /* Pc */
203 {mdoc_igndelim_pre, mdoc_pf_post}, /* Pf */
204 {mdoc_quote_pre, mdoc_quote_post}, /* Po */
205 {mdoc_quote_pre, mdoc_quote_post}, /* Pq */
206 {NULL, NULL}, /* Qc */
207 {mdoc_quote_pre, mdoc_quote_post}, /* Ql */
208 {mdoc_quote_pre, mdoc_quote_post}, /* Qo */
209 {mdoc_quote_pre, mdoc_quote_post}, /* Qq */
210 {NULL, NULL}, /* Re */
211 {mdoc_rs_pre, NULL}, /* Rs */
212 {NULL, NULL}, /* Sc */
213 {mdoc_quote_pre, mdoc_quote_post}, /* So */
214 {mdoc_quote_pre, mdoc_quote_post}, /* Sq */
215 {mdoc_sm_pre, NULL}, /* Sm */
216 {mdoc_sx_pre, NULL}, /* Sx */
217 {mdoc_sy_pre, NULL}, /* Sy */
218 {NULL, NULL}, /* Tn */
219 {mdoc_xx_pre, NULL}, /* Ux */
220 {NULL, NULL}, /* Xc */
221 {NULL, NULL}, /* Xo */
222 {mdoc_fo_pre, mdoc_fo_post}, /* Fo */
223 {NULL, NULL}, /* Fc */
224 {mdoc_quote_pre, mdoc_quote_post}, /* Oo */
225 {NULL, NULL}, /* Oc */
226 {mdoc_bk_pre, mdoc_bk_post}, /* Bk */
227 {NULL, NULL}, /* Ek */
228 {mdoc_bt_pre, NULL}, /* Bt */
229 {NULL, NULL}, /* Hf */
230 {mdoc_em_pre, NULL}, /* Fr */
231 {mdoc_ud_pre, NULL}, /* Ud */
232 {mdoc_lb_pre, NULL}, /* Lb */
233 {mdoc_pp_pre, NULL}, /* Lp */
234 {mdoc_lk_pre, NULL}, /* Lk */
235 {mdoc_mt_pre, NULL}, /* Mt */
236 {mdoc_quote_pre, mdoc_quote_post}, /* Brq */
237 {mdoc_quote_pre, mdoc_quote_post}, /* Bro */
238 {NULL, NULL}, /* Brc */
239 {mdoc__x_pre, mdoc__x_post}, /* %C */
240 {mdoc_skip_pre, NULL}, /* Es */
241 {mdoc_quote_pre, mdoc_quote_post}, /* En */
242 {mdoc_xx_pre, NULL}, /* Dx */
243 {mdoc__x_pre, mdoc__x_post}, /* %Q */
244 {mdoc_sp_pre, NULL}, /* br */
245 {mdoc_sp_pre, NULL}, /* sp */
246 {mdoc__x_pre, mdoc__x_post}, /* %U */
247 {NULL, NULL}, /* Ta */
248 {mdoc_skip_pre, NULL}, /* ll */
249 };
250
251 static const char * const lists[LIST_MAX] = {
252 NULL,
253 "list-bul",
254 "list-col",
255 "list-dash",
256 "list-diag",
257 "list-enum",
258 "list-hang",
259 "list-hyph",
260 "list-inset",
261 "list-item",
262 "list-ohang",
263 "list-tag"
264 };
265
266
267 void
268 html_mdoc(void *arg, const struct mdoc *mdoc)
269 {
270
271 print_mdoc(mdoc_meta(mdoc), mdoc_node(mdoc),
272 (struct html *)arg);
273 putchar('\n');
274 }
275
276 /*
277 * Calculate the scaling unit passed in a `-width' argument. This uses
278 * either a native scaling unit (e.g., 1i, 2m) or the string length of
279 * the value.
280 */
281 static void
282 a2width(const char *p, struct roffsu *su)
283 {
284
285 if ( ! a2roffsu(p, su, SCALE_MAX)) {
286 su->unit = SCALE_BU;
287 su->scale = html_strlen(p);
288 }
289 }
290
291 /*
292 * See the same function in mdoc_term.c for documentation.
293 */
294 static void
295 synopsis_pre(struct html *h, const struct mdoc_node *n)
296 {
297
298 if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
299 return;
300
301 if (n->prev->tok == n->tok &&
302 MDOC_Fo != n->tok &&
303 MDOC_Ft != n->tok &&
304 MDOC_Fn != n->tok) {
305 print_otag(h, TAG_BR, 0, NULL);
306 return;
307 }
308
309 switch (n->prev->tok) {
310 case MDOC_Fd:
311 /* FALLTHROUGH */
312 case MDOC_Fn:
313 /* FALLTHROUGH */
314 case MDOC_Fo:
315 /* FALLTHROUGH */
316 case MDOC_In:
317 /* FALLTHROUGH */
318 case MDOC_Vt:
319 print_otag(h, TAG_P, 0, NULL);
320 break;
321 case MDOC_Ft:
322 if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
323 print_otag(h, TAG_P, 0, NULL);
324 break;
325 }
326 /* FALLTHROUGH */
327 default:
328 print_otag(h, TAG_BR, 0, NULL);
329 break;
330 }
331 }
332
333 /*
334 * Calculate the scaling unit passed in an `-offset' argument. This
335 * uses either a native scaling unit (e.g., 1i, 2m), one of a set of
336 * predefined strings (indent, etc.), or the string length of the value.
337 */
338 static void
339 a2offs(const char *p, struct roffsu *su)
340 {
341
342 /* FIXME: "right"? */
343
344 if (0 == strcmp(p, "left"))
345 SCALE_HS_INIT(su, 0);
346 else if (0 == strcmp(p, "indent"))
347 SCALE_HS_INIT(su, INDENT);
348 else if (0 == strcmp(p, "indent-two"))
349 SCALE_HS_INIT(su, INDENT * 2);
350 else if ( ! a2roffsu(p, su, SCALE_MAX))
351 SCALE_HS_INIT(su, html_strlen(p));
352 }
353
354 static void
355 print_mdoc(MDOC_ARGS)
356 {
357 struct tag *t, *tt;
358 struct htmlpair tag;
359
360 PAIR_CLASS_INIT(&tag, "mandoc");
361
362 if ( ! (HTML_FRAGMENT & h->oflags)) {
363 print_gen_decls(h);
364 t = print_otag(h, TAG_HTML, 0, NULL);
365 tt = print_otag(h, TAG_HEAD, 0, NULL);
366 print_mdoc_head(meta, n, h);
367 print_tagq(h, tt);
368 print_otag(h, TAG_BODY, 0, NULL);
369 print_otag(h, TAG_DIV, 1, &tag);
370 } else
371 t = print_otag(h, TAG_DIV, 1, &tag);
372
373 print_mdoc_nodelist(meta, n, h);
374 print_tagq(h, t);
375 }
376
377 static void
378 print_mdoc_head(MDOC_ARGS)
379 {
380
381 print_gen_head(h);
382 bufinit(h);
383 bufcat_fmt(h, "%s(%s)", meta->title, meta->msec);
384
385 if (meta->arch)
386 bufcat_fmt(h, " (%s)", meta->arch);
387
388 print_otag(h, TAG_TITLE, 0, NULL);
389 print_text(h, h->buf);
390 }
391
392 static void
393 print_mdoc_nodelist(MDOC_ARGS)
394 {
395
396 print_mdoc_node(meta, n, h);
397 if (n->next)
398 print_mdoc_nodelist(meta, n->next, h);
399 }
400
401 static void
402 print_mdoc_node(MDOC_ARGS)
403 {
404 int child;
405 struct tag *t;
406
407 child = 1;
408 t = h->tags.head;
409
410 switch (n->type) {
411 case MDOC_ROOT:
412 child = mdoc_root_pre(meta, n, h);
413 break;
414 case MDOC_TEXT:
415 /* No tables in this mode... */
416 assert(NULL == h->tblt);
417
418 /*
419 * Make sure that if we're in a literal mode already
420 * (i.e., within a <PRE>) don't print the newline.
421 */
422 if (' ' == *n->string && MDOC_LINE & n->flags)
423 if ( ! (HTML_LITERAL & h->flags))
424 print_otag(h, TAG_BR, 0, NULL);
425 if (MDOC_DELIMC & n->flags)
426 h->flags |= HTML_NOSPACE;
427 print_text(h, n->string);
428 if (MDOC_DELIMO & n->flags)
429 h->flags |= HTML_NOSPACE;
430 return;
431 case MDOC_EQN:
432 print_eqn(h, n->eqn);
433 break;
434 case MDOC_TBL:
435 /*
436 * This will take care of initialising all of the table
437 * state data for the first table, then tearing it down
438 * for the last one.
439 */
440 print_tbl(h, n->span);
441 return;
442 default:
443 /*
444 * Close out the current table, if it's open, and unset
445 * the "meta" table state. This will be reopened on the
446 * next table element.
447 */
448 if (h->tblt) {
449 print_tblclose(h);
450 t = h->tags.head;
451 }
452
453 assert(NULL == h->tblt);
454 if (mdocs[n->tok].pre && ENDBODY_NOT == n->end)
455 child = (*mdocs[n->tok].pre)(meta, n, h);
456 break;
457 }
458
459 if (HTML_KEEP & h->flags) {
460 if (n->prev ? (n->prev->lastline != n->line) :
461 (n->parent && n->parent->line != n->line)) {
462 h->flags &= ~HTML_KEEP;
463 h->flags |= HTML_PREKEEP;
464 }
465 }
466
467 if (child && n->child)
468 print_mdoc_nodelist(meta, n->child, h);
469
470 print_stagq(h, t);
471
472 switch (n->type) {
473 case MDOC_ROOT:
474 mdoc_root_post(meta, n, h);
475 break;
476 case MDOC_EQN:
477 break;
478 default:
479 if (mdocs[n->tok].post && ENDBODY_NOT == n->end)
480 (*mdocs[n->tok].post)(meta, n, h);
481 break;
482 }
483 }
484
485 static void
486 mdoc_root_post(MDOC_ARGS)
487 {
488 struct htmlpair tag[3];
489 struct tag *t, *tt;
490
491 PAIR_SUMMARY_INIT(&tag[0], "Document Footer");
492 PAIR_CLASS_INIT(&tag[1], "foot");
493 PAIR_INIT(&tag[2], ATTR_WIDTH, "100%");
494 t = print_otag(h, TAG_TABLE, 3, tag);
495 PAIR_INIT(&tag[0], ATTR_WIDTH, "50%");
496 print_otag(h, TAG_COL, 1, tag);
497 print_otag(h, TAG_COL, 1, tag);
498
499 print_otag(h, TAG_TBODY, 0, NULL);
500
501 tt = print_otag(h, TAG_TR, 0, NULL);
502
503 PAIR_CLASS_INIT(&tag[0], "foot-date");
504 print_otag(h, TAG_TD, 1, tag);
505 print_text(h, meta->date);
506 print_stagq(h, tt);
507
508 PAIR_CLASS_INIT(&tag[0], "foot-os");
509 PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
510 print_otag(h, TAG_TD, 2, tag);
511 print_text(h, meta->os);
512 print_tagq(h, t);
513 }
514
515 static int
516 mdoc_root_pre(MDOC_ARGS)
517 {
518 struct htmlpair tag[3];
519 struct tag *t, *tt;
520 char *volume, *title;
521
522 if (NULL == meta->arch)
523 volume = mandoc_strdup(meta->vol);
524 else
525 mandoc_asprintf(&volume, "%s (%s)",
526 meta->vol, meta->arch);
527
528 mandoc_asprintf(&title, "%s(%s)", meta->title, meta->msec);
529
530 PAIR_SUMMARY_INIT(&tag[0], "Document Header");
531 PAIR_CLASS_INIT(&tag[1], "head");
532 PAIR_INIT(&tag[2], ATTR_WIDTH, "100%");
533 t = print_otag(h, TAG_TABLE, 3, tag);
534 PAIR_INIT(&tag[0], ATTR_WIDTH, "30%");
535 print_otag(h, TAG_COL, 1, tag);
536 print_otag(h, TAG_COL, 1, tag);
537 print_otag(h, TAG_COL, 1, tag);
538
539 print_otag(h, TAG_TBODY, 0, NULL);
540
541 tt = print_otag(h, TAG_TR, 0, NULL);
542
543 PAIR_CLASS_INIT(&tag[0], "head-ltitle");
544 print_otag(h, TAG_TD, 1, tag);
545 print_text(h, title);
546 print_stagq(h, tt);
547
548 PAIR_CLASS_INIT(&tag[0], "head-vol");
549 PAIR_INIT(&tag[1], ATTR_ALIGN, "center");
550 print_otag(h, TAG_TD, 2, tag);
551 print_text(h, volume);
552 print_stagq(h, tt);
553
554 PAIR_CLASS_INIT(&tag[0], "head-rtitle");
555 PAIR_INIT(&tag[1], ATTR_ALIGN, "right");
556 print_otag(h, TAG_TD, 2, tag);
557 print_text(h, title);
558 print_tagq(h, t);
559
560 free(title);
561 free(volume);
562 return(1);
563 }
564
565 static int
566 mdoc_sh_pre(MDOC_ARGS)
567 {
568 struct htmlpair tag;
569
570 if (MDOC_BLOCK == n->type) {
571 PAIR_CLASS_INIT(&tag, "section");
572 print_otag(h, TAG_DIV, 1, &tag);
573 return(1);
574 } else if (MDOC_BODY == n->type)
575 return(1);
576
577 bufinit(h);
578 bufcat(h, "x");
579
580 for (n = n->child; n && MDOC_TEXT == n->type; ) {
581 bufcat_id(h, n->string);
582 if (NULL != (n = n->next))
583 bufcat_id(h, " ");
584 }
585
586 if (NULL == n) {
587 PAIR_ID_INIT(&tag, h->buf);
588 print_otag(h, TAG_H1, 1, &tag);
589 } else
590 print_otag(h, TAG_H1, 0, NULL);
591
592 return(1);
593 }
594
595 static int
596 mdoc_ss_pre(MDOC_ARGS)
597 {
598 struct htmlpair tag;
599
600 if (MDOC_BLOCK == n->type) {
601 PAIR_CLASS_INIT(&tag, "subsection");
602 print_otag(h, TAG_DIV, 1, &tag);
603 return(1);
604 } else if (MDOC_BODY == n->type)
605 return(1);
606
607 bufinit(h);
608 bufcat(h, "x");
609
610 for (n = n->child; n && MDOC_TEXT == n->type; ) {
611 bufcat_id(h, n->string);
612 if (NULL != (n = n->next))
613 bufcat_id(h, " ");
614 }
615
616 if (NULL == n) {
617 PAIR_ID_INIT(&tag, h->buf);
618 print_otag(h, TAG_H2, 1, &tag);
619 } else
620 print_otag(h, TAG_H2, 0, NULL);
621
622 return(1);
623 }
624
625 static int
626 mdoc_fl_pre(MDOC_ARGS)
627 {
628 struct htmlpair tag;
629
630 PAIR_CLASS_INIT(&tag, "flag");
631 print_otag(h, TAG_B, 1, &tag);
632
633 /* `Cm' has no leading hyphen. */
634
635 if (MDOC_Cm == n->tok)
636 return(1);
637
638 print_text(h, "\\-");
639
640 if (n->child)
641 h->flags |= HTML_NOSPACE;
642 else if (n->next && n->next->line == n->line)
643 h->flags |= HTML_NOSPACE;
644
645 return(1);
646 }
647
648 static int
649 mdoc_nd_pre(MDOC_ARGS)
650 {
651 struct htmlpair tag;
652
653 if (MDOC_BODY != n->type)
654 return(1);
655
656 /* XXX: this tag in theory can contain block elements. */
657
658 print_text(h, "\\(em");
659 PAIR_CLASS_INIT(&tag, "desc");
660 print_otag(h, TAG_SPAN, 1, &tag);
661 return(1);
662 }
663
664 static int
665 mdoc_nm_pre(MDOC_ARGS)
666 {
667 struct htmlpair tag;
668 struct roffsu su;
669 int len;
670
671 switch (n->type) {
672 case MDOC_ELEM:
673 synopsis_pre(h, n);
674 PAIR_CLASS_INIT(&tag, "name");
675 print_otag(h, TAG_B, 1, &tag);
676 if (NULL == n->child && meta->name)
677 print_text(h, meta->name);
678 return(1);
679 case MDOC_HEAD:
680 print_otag(h, TAG_TD, 0, NULL);
681 if (NULL == n->child && meta->name)
682 print_text(h, meta->name);
683 return(1);
684 case MDOC_BODY:
685 print_otag(h, TAG_TD, 0, NULL);
686 return(1);
687 default:
688 break;
689 }
690
691 synopsis_pre(h, n);
692 PAIR_CLASS_INIT(&tag, "synopsis");
693 print_otag(h, TAG_TABLE, 1, &tag);
694
695 for (len = 0, n = n->child; n; n = n->next)
696 if (MDOC_TEXT == n->type)
697 len += html_strlen(n->string);
698
699 if (0 == len && meta->name)
700 len = html_strlen(meta->name);
701
702 SCALE_HS_INIT(&su, (double)len);
703 bufinit(h);
704 bufcat_su(h, "width", &su);
705 PAIR_STYLE_INIT(&tag, h);
706 print_otag(h, TAG_COL, 1, &tag);
707 print_otag(h, TAG_COL, 0, NULL);
708 print_otag(h, TAG_TBODY, 0, NULL);
709 print_otag(h, TAG_TR, 0, NULL);
710 return(1);
711 }
712
713 static int
714 mdoc_xr_pre(MDOC_ARGS)
715 {
716 struct htmlpair tag[2];
717
718 if (NULL == n->child)
719 return(0);
720
721 PAIR_CLASS_INIT(&tag[0], "link-man");
722
723 if (h->base_man) {
724 buffmt_man(h, n->child->string,
725 n->child->next ?
726 n->child->next->string : NULL);
727 PAIR_HREF_INIT(&tag[1], h->buf);
728 print_otag(h, TAG_A, 2, tag);
729 } else
730 print_otag(h, TAG_A, 1, tag);
731
732 n = n->child;
733 print_text(h, n->string);
734
735 if (NULL == (n = n->next))
736 return(0);
737
738 h->flags |= HTML_NOSPACE;
739 print_text(h, "(");
740 h->flags |= HTML_NOSPACE;
741 print_text(h, n->string);
742 h->flags |= HTML_NOSPACE;
743 print_text(h, ")");
744 return(0);
745 }
746
747 static int
748 mdoc_ns_pre(MDOC_ARGS)
749 {
750
751 if ( ! (MDOC_LINE & n->flags))
752 h->flags |= HTML_NOSPACE;
753 return(1);
754 }
755
756 static int
757 mdoc_ar_pre(MDOC_ARGS)
758 {
759 struct htmlpair tag;
760
761 PAIR_CLASS_INIT(&tag, "arg");
762 print_otag(h, TAG_I, 1, &tag);
763 return(1);
764 }
765
766 static int
767 mdoc_xx_pre(MDOC_ARGS)
768 {
769 const char *pp;
770 struct htmlpair tag;
771 int flags;
772
773 switch (n->tok) {
774 case MDOC_Bsx:
775 pp = "BSD/OS";
776 break;
777 case MDOC_Dx:
778 pp = "DragonFly";
779 break;
780 case MDOC_Fx:
781 pp = "FreeBSD";
782 break;
783 case MDOC_Nx:
784 pp = "NetBSD";
785 break;
786 case MDOC_Ox:
787 pp = "OpenBSD";
788 break;
789 case MDOC_Ux:
790 pp = "UNIX";
791 break;
792 default:
793 return(1);
794 }
795
796 PAIR_CLASS_INIT(&tag, "unix");
797 print_otag(h, TAG_SPAN, 1, &tag);
798
799 print_text(h, pp);
800 if (n->child) {
801 flags = h->flags;
802 h->flags |= HTML_KEEP;
803 print_text(h, n->child->string);
804 h->flags = flags;
805 }
806 return(0);
807 }
808
809 static int
810 mdoc_bx_pre(MDOC_ARGS)
811 {
812 struct htmlpair tag;
813
814 PAIR_CLASS_INIT(&tag, "unix");
815 print_otag(h, TAG_SPAN, 1, &tag);
816
817 if (NULL != (n = n->child)) {
818 print_text(h, n->string);
819 h->flags |= HTML_NOSPACE;
820 print_text(h, "BSD");
821 } else {
822 print_text(h, "BSD");
823 return(0);
824 }
825
826 if (NULL != (n = n->next)) {
827 h->flags |= HTML_NOSPACE;
828 print_text(h, "-");
829 h->flags |= HTML_NOSPACE;
830 print_text(h, n->string);
831 }
832
833 return(0);
834 }
835
836 static int
837 mdoc_it_pre(MDOC_ARGS)
838 {
839 struct roffsu su;
840 enum mdoc_list type;
841 struct htmlpair tag[2];
842 const struct mdoc_node *bl;
843
844 bl = n->parent;
845 while (bl && MDOC_Bl != bl->tok)
846 bl = bl->parent;
847
848 assert(bl);
849
850 type = bl->norm->Bl.type;
851
852 assert(lists[type]);
853 PAIR_CLASS_INIT(&tag[0], lists[type]);
854
855 bufinit(h);
856
857 if (MDOC_HEAD == n->type) {
858 switch (type) {
859 case LIST_bullet:
860 /* FALLTHROUGH */
861 case LIST_dash:
862 /* FALLTHROUGH */
863 case LIST_item:
864 /* FALLTHROUGH */
865 case LIST_hyphen:
866 /* FALLTHROUGH */
867 case LIST_enum:
868 return(0);
869 case LIST_diag:
870 /* FALLTHROUGH */
871 case LIST_hang:
872 /* FALLTHROUGH */
873 case LIST_inset:
874 /* FALLTHROUGH */
875 case LIST_ohang:
876 /* FALLTHROUGH */
877 case LIST_tag:
878 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
879 bufcat_su(h, "margin-top", &su);
880 PAIR_STYLE_INIT(&tag[1], h);
881 print_otag(h, TAG_DT, 2, tag);
882 if (LIST_diag != type)
883 break;
884 PAIR_CLASS_INIT(&tag[0], "diag");
885 print_otag(h, TAG_B, 1, tag);
886 break;
887 case LIST_column:
888 break;
889 default:
890 break;
891 }
892 } else if (MDOC_BODY == n->type) {
893 switch (type) {
894 case LIST_bullet:
895 /* FALLTHROUGH */
896 case LIST_hyphen:
897 /* FALLTHROUGH */
898 case LIST_dash:
899 /* FALLTHROUGH */
900 case LIST_enum:
901 /* FALLTHROUGH */
902 case LIST_item:
903 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
904 bufcat_su(h, "margin-top", &su);
905 PAIR_STYLE_INIT(&tag[1], h);
906 print_otag(h, TAG_LI, 2, tag);
907 break;
908 case LIST_diag:
909 /* FALLTHROUGH */
910 case LIST_hang:
911 /* FALLTHROUGH */
912 case LIST_inset:
913 /* FALLTHROUGH */
914 case LIST_ohang:
915 /* FALLTHROUGH */
916 case LIST_tag:
917 if (NULL == bl->norm->Bl.width) {
918 print_otag(h, TAG_DD, 1, tag);
919 break;
920 }
921 a2width(bl->norm->Bl.width, &su);
922 bufcat_su(h, "margin-left", &su);
923 PAIR_STYLE_INIT(&tag[1], h);
924 print_otag(h, TAG_DD, 2, tag);
925 break;
926 case LIST_column:
927 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
928 bufcat_su(h, "margin-top", &su);
929 PAIR_STYLE_INIT(&tag[1], h);
930 print_otag(h, TAG_TD, 2, tag);
931 break;
932 default:
933 break;
934 }
935 } else {
936 switch (type) {
937 case LIST_column:
938 print_otag(h, TAG_TR, 1, tag);
939 break;
940 default:
941 break;
942 }
943 }
944
945 return(1);
946 }
947
948 static int
949 mdoc_bl_pre(MDOC_ARGS)
950 {
951 int i;
952 struct htmlpair tag[3];
953 struct roffsu su;
954 char buf[BUFSIZ];
955
956 if (MDOC_BODY == n->type) {
957 if (LIST_column == n->norm->Bl.type)
958 print_otag(h, TAG_TBODY, 0, NULL);
959 return(1);
960 }
961
962 if (MDOC_HEAD == n->type) {
963 if (LIST_column != n->norm->Bl.type)
964 return(0);
965
966 /*
967 * For each column, print out the <COL> tag with our
968 * suggested width. The last column gets min-width, as
969 * in terminal mode it auto-sizes to the width of the
970 * screen and we want to preserve that behaviour.
971 */
972
973 for (i = 0; i < (int)n->norm->Bl.ncols; i++) {
974 bufinit(h);
975 a2width(n->norm->Bl.cols[i], &su);
976 if (i < (int)n->norm->Bl.ncols - 1)
977 bufcat_su(h, "width", &su);
978 else
979 bufcat_su(h, "min-width", &su);
980 PAIR_STYLE_INIT(&tag[0], h);
981 print_otag(h, TAG_COL, 1, tag);
982 }
983
984 return(0);
985 }
986
987 SCALE_VS_INIT(&su, 0);
988 bufinit(h);
989 bufcat_su(h, "margin-top", &su);
990 bufcat_su(h, "margin-bottom", &su);
991 PAIR_STYLE_INIT(&tag[0], h);
992
993 assert(lists[n->norm->Bl.type]);
994 (void)strlcpy(buf, "list ", BUFSIZ);
995 (void)strlcat(buf, lists[n->norm->Bl.type], BUFSIZ);
996 PAIR_INIT(&tag[1], ATTR_CLASS, buf);
997
998 /* Set the block's left-hand margin. */
999
1000 if (n->norm->Bl.offs) {
1001 a2offs(n->norm->Bl.offs, &su);
1002 bufcat_su(h, "margin-left", &su);
1003 }
1004
1005 switch (n->norm->Bl.type) {
1006 case LIST_bullet:
1007 /* FALLTHROUGH */
1008 case LIST_dash:
1009 /* FALLTHROUGH */
1010 case LIST_hyphen:
1011 /* FALLTHROUGH */
1012 case LIST_item:
1013 print_otag(h, TAG_UL, 2, tag);
1014 break;
1015 case LIST_enum:
1016 print_otag(h, TAG_OL, 2, tag);
1017 break;
1018 case LIST_diag:
1019 /* FALLTHROUGH */
1020 case LIST_hang:
1021 /* FALLTHROUGH */
1022 case LIST_inset:
1023 /* FALLTHROUGH */
1024 case LIST_ohang:
1025 /* FALLTHROUGH */
1026 case LIST_tag:
1027 print_otag(h, TAG_DL, 2, tag);
1028 break;
1029 case LIST_column:
1030 print_otag(h, TAG_TABLE, 2, tag);
1031 break;
1032 default:
1033 abort();
1034 /* NOTREACHED */
1035 }
1036
1037 return(1);
1038 }
1039
1040 static int
1041 mdoc_ex_pre(MDOC_ARGS)
1042 {
1043 struct tag *t;
1044 struct htmlpair tag;
1045 int nchild;
1046
1047 if (n->prev)
1048 print_otag(h, TAG_BR, 0, NULL);
1049
1050 PAIR_CLASS_INIT(&tag, "utility");
1051
1052 print_text(h, "The");
1053
1054 nchild = n->nchild;
1055 for (n = n->child; n; n = n->next) {
1056 assert(MDOC_TEXT == n->type);
1057
1058 t = print_otag(h, TAG_B, 1, &tag);
1059 print_text(h, n->string);
1060 print_tagq(h, t);
1061
1062 if (nchild > 2 && n->next) {
1063 h->flags |= HTML_NOSPACE;
1064 print_text(h, ",");
1065 }
1066
1067 if (n->next && NULL == n->next->next)
1068 print_text(h, "and");
1069 }
1070
1071 if (nchild > 1)
1072 print_text(h, "utilities exit\\~0");
1073 else
1074 print_text(h, "utility exits\\~0");
1075
1076 print_text(h, "on success, and\\~>0 if an error occurs.");
1077 return(0);
1078 }
1079
1080 static int
1081 mdoc_em_pre(MDOC_ARGS)
1082 {
1083 struct htmlpair tag;
1084
1085 PAIR_CLASS_INIT(&tag, "emph");
1086 print_otag(h, TAG_SPAN, 1, &tag);
1087 return(1);
1088 }
1089
1090 static int
1091 mdoc_d1_pre(MDOC_ARGS)
1092 {
1093 struct htmlpair tag[2];
1094 struct roffsu su;
1095
1096 if (MDOC_BLOCK != n->type)
1097 return(1);
1098
1099 SCALE_VS_INIT(&su, 0);
1100 bufinit(h);
1101 bufcat_su(h, "margin-top", &su);
1102 bufcat_su(h, "margin-bottom", &su);
1103 PAIR_STYLE_INIT(&tag[0], h);
1104 print_otag(h, TAG_BLOCKQUOTE, 1, tag);
1105
1106 /* BLOCKQUOTE needs a block body. */
1107
1108 PAIR_CLASS_INIT(&tag[0], "display");
1109 print_otag(h, TAG_DIV, 1, tag);
1110
1111 if (MDOC_Dl == n->tok) {
1112 PAIR_CLASS_INIT(&tag[0], "lit");
1113 print_otag(h, TAG_CODE, 1, tag);
1114 }
1115
1116 return(1);
1117 }
1118
1119 static int
1120 mdoc_sx_pre(MDOC_ARGS)
1121 {
1122 struct htmlpair tag[2];
1123
1124 bufinit(h);
1125 bufcat(h, "#x");
1126
1127 for (n = n->child; n; ) {
1128 bufcat_id(h, n->string);
1129 if (NULL != (n = n->next))
1130 bufcat_id(h, " ");
1131 }
1132
1133 PAIR_CLASS_INIT(&tag[0], "link-sec");
1134 PAIR_HREF_INIT(&tag[1], h->buf);
1135
1136 print_otag(h, TAG_I, 1, tag);
1137 print_otag(h, TAG_A, 2, tag);
1138 return(1);
1139 }
1140
1141 static int
1142 mdoc_bd_pre(MDOC_ARGS)
1143 {
1144 struct htmlpair tag[2];
1145 int comp, sv;
1146 const struct mdoc_node *nn;
1147 struct roffsu su;
1148
1149 if (MDOC_HEAD == n->type)
1150 return(0);
1151
1152 if (MDOC_BLOCK == n->type) {
1153 comp = n->norm->Bd.comp;
1154 for (nn = n; nn && ! comp; nn = nn->parent) {
1155 if (MDOC_BLOCK != nn->type)
1156 continue;
1157 if (MDOC_Ss == nn->tok || MDOC_Sh == nn->tok)
1158 comp = 1;
1159 if (nn->prev)
1160 break;
1161 }
1162 if ( ! comp)
1163 print_otag(h, TAG_P, 0, NULL);
1164 return(1);
1165 }
1166
1167 SCALE_HS_INIT(&su, 0);
1168 if (n->norm->Bd.offs)
1169 a2offs(n->norm->Bd.offs, &su);
1170
1171 bufinit(h);
1172 bufcat_su(h, "margin-left", &su);
1173 PAIR_STYLE_INIT(&tag[0], h);
1174
1175 if (DISP_unfilled != n->norm->Bd.type &&
1176 DISP_literal != n->norm->Bd.type) {
1177 PAIR_CLASS_INIT(&tag[1], "display");
1178 print_otag(h, TAG_DIV, 2, tag);
1179 return(1);
1180 }
1181
1182 PAIR_CLASS_INIT(&tag[1], "lit display");
1183 print_otag(h, TAG_PRE, 2, tag);
1184
1185 /* This can be recursive: save & set our literal state. */
1186
1187 sv = h->flags & HTML_LITERAL;
1188 h->flags |= HTML_LITERAL;
1189
1190 for (nn = n->child; nn; nn = nn->next) {
1191 print_mdoc_node(meta, nn, h);
1192 /*
1193 * If the printed node flushes its own line, then we
1194 * needn't do it here as well. This is hacky, but the
1195 * notion of selective eoln whitespace is pretty dumb
1196 * anyway, so don't sweat it.
1197 */
1198 switch (nn->tok) {
1199 case MDOC_Sm:
1200 /* FALLTHROUGH */
1201 case MDOC_br:
1202 /* FALLTHROUGH */
1203 case MDOC_sp:
1204 /* FALLTHROUGH */
1205 case MDOC_Bl:
1206 /* FALLTHROUGH */
1207 case MDOC_D1:
1208 /* FALLTHROUGH */
1209 case MDOC_Dl:
1210 /* FALLTHROUGH */
1211 case MDOC_Lp:
1212 /* FALLTHROUGH */
1213 case MDOC_Pp:
1214 continue;
1215 default:
1216 break;
1217 }
1218 if (nn->next && nn->next->line == nn->line)
1219 continue;
1220 else if (nn->next)
1221 print_text(h, "\n");
1222
1223 h->flags |= HTML_NOSPACE;
1224 }
1225
1226 if (0 == sv)
1227 h->flags &= ~HTML_LITERAL;
1228
1229 return(0);
1230 }
1231
1232 static int
1233 mdoc_pa_pre(MDOC_ARGS)
1234 {
1235 struct htmlpair tag;
1236
1237 PAIR_CLASS_INIT(&tag, "file");
1238 print_otag(h, TAG_I, 1, &tag);
1239 return(1);
1240 }
1241
1242 static int
1243 mdoc_ad_pre(MDOC_ARGS)
1244 {
1245 struct htmlpair tag;
1246
1247 PAIR_CLASS_INIT(&tag, "addr");
1248 print_otag(h, TAG_I, 1, &tag);
1249 return(1);
1250 }
1251
1252 static int
1253 mdoc_an_pre(MDOC_ARGS)
1254 {
1255 struct htmlpair tag;
1256
1257 /* TODO: -split and -nosplit (see termp_an_pre()). */
1258
1259 PAIR_CLASS_INIT(&tag, "author");
1260 print_otag(h, TAG_SPAN, 1, &tag);
1261 return(1);
1262 }
1263
1264 static int
1265 mdoc_cd_pre(MDOC_ARGS)
1266 {
1267 struct htmlpair tag;
1268
1269 synopsis_pre(h, n);
1270 PAIR_CLASS_INIT(&tag, "config");
1271 print_otag(h, TAG_B, 1, &tag);
1272 return(1);
1273 }
1274
1275 static int
1276 mdoc_dv_pre(MDOC_ARGS)
1277 {
1278 struct htmlpair tag;
1279
1280 PAIR_CLASS_INIT(&tag, "define");
1281 print_otag(h, TAG_SPAN, 1, &tag);
1282 return(1);
1283 }
1284
1285 static int
1286 mdoc_ev_pre(MDOC_ARGS)
1287 {
1288 struct htmlpair tag;
1289
1290 PAIR_CLASS_INIT(&tag, "env");
1291 print_otag(h, TAG_SPAN, 1, &tag);
1292 return(1);
1293 }
1294
1295 static int
1296 mdoc_er_pre(MDOC_ARGS)
1297 {
1298 struct htmlpair tag;
1299
1300 PAIR_CLASS_INIT(&tag, "errno");
1301 print_otag(h, TAG_SPAN, 1, &tag);
1302 return(1);
1303 }
1304
1305 static int
1306 mdoc_fa_pre(MDOC_ARGS)
1307 {
1308 const struct mdoc_node *nn;
1309 struct htmlpair tag;
1310 struct tag *t;
1311
1312 PAIR_CLASS_INIT(&tag, "farg");
1313 if (n->parent->tok != MDOC_Fo) {
1314 print_otag(h, TAG_I, 1, &tag);
1315 return(1);
1316 }
1317
1318 for (nn = n->child; nn; nn = nn->next) {
1319 t = print_otag(h, TAG_I, 1, &tag);
1320 print_text(h, nn->string);
1321 print_tagq(h, t);
1322 if (nn->next) {
1323 h->flags |= HTML_NOSPACE;
1324 print_text(h, ",");
1325 }
1326 }
1327
1328 if (n->child && n->next && n->next->tok == MDOC_Fa) {
1329 h->flags |= HTML_NOSPACE;
1330 print_text(h, ",");
1331 }
1332
1333 return(0);
1334 }
1335
1336 static int
1337 mdoc_fd_pre(MDOC_ARGS)
1338 {
1339 struct htmlpair tag[2];
1340 char buf[BUFSIZ];
1341 size_t sz;
1342 int i;
1343 struct tag *t;
1344
1345 synopsis_pre(h, n);
1346
1347 if (NULL == (n = n->child))
1348 return(0);
1349
1350 assert(MDOC_TEXT == n->type);
1351
1352 if (strcmp(n->string, "#include")) {
1353 PAIR_CLASS_INIT(&tag[0], "macro");
1354 print_otag(h, TAG_B, 1, tag);
1355 return(1);
1356 }
1357
1358 PAIR_CLASS_INIT(&tag[0], "includes");
1359 print_otag(h, TAG_B, 1, tag);
1360 print_text(h, n->string);
1361
1362 if (NULL != (n = n->next)) {
1363 assert(MDOC_TEXT == n->type);
1364
1365 /*
1366 * XXX This is broken and not easy to fix.
1367 * When using -Oincludes, truncation may occur.
1368 * Dynamic allocation wouldn't help because
1369 * passing long strings to buffmt_includes()
1370 * does not work either.
1371 */
1372
1373 strlcpy(buf, '<' == *n->string || '"' == *n->string ?
1374 n->string + 1 : n->string, BUFSIZ);
1375
1376 sz = strlen(buf);
1377 if (sz && ('>' == buf[sz - 1] || '"' == buf[sz - 1]))
1378 buf[sz - 1] = '\0';
1379
1380 PAIR_CLASS_INIT(&tag[0], "link-includes");
1381
1382 i = 1;
1383 if (h->base_includes) {
1384 buffmt_includes(h, buf);
1385 PAIR_HREF_INIT(&tag[i], h->buf);
1386 i++;
1387 }
1388
1389 t = print_otag(h, TAG_A, i, tag);
1390 print_text(h, n->string);
1391 print_tagq(h, t);
1392
1393 n = n->next;
1394 }
1395
1396 for ( ; n; n = n->next) {
1397 assert(MDOC_TEXT == n->type);
1398 print_text(h, n->string);
1399 }
1400
1401 return(0);
1402 }
1403
1404 static int
1405 mdoc_vt_pre(MDOC_ARGS)
1406 {
1407 struct htmlpair tag;
1408
1409 if (MDOC_BLOCK == n->type) {
1410 synopsis_pre(h, n);
1411 return(1);
1412 } else if (MDOC_ELEM == n->type) {
1413 synopsis_pre(h, n);
1414 } else if (MDOC_HEAD == n->type)
1415 return(0);
1416
1417 PAIR_CLASS_INIT(&tag, "type");
1418 print_otag(h, TAG_SPAN, 1, &tag);
1419 return(1);
1420 }
1421
1422 static int
1423 mdoc_ft_pre(MDOC_ARGS)
1424 {
1425 struct htmlpair tag;
1426
1427 synopsis_pre(h, n);
1428 PAIR_CLASS_INIT(&tag, "ftype");
1429 print_otag(h, TAG_I, 1, &tag);
1430 return(1);
1431 }
1432
1433 static int
1434 mdoc_fn_pre(MDOC_ARGS)
1435 {
1436 struct tag *t;
1437 struct htmlpair tag[2];
1438 char nbuf[BUFSIZ];
1439 const char *sp, *ep;
1440 int sz, i, pretty;
1441
1442 pretty = MDOC_SYNPRETTY & n->flags;
1443 synopsis_pre(h, n);
1444
1445 /* Split apart into type and name. */
1446 assert(n->child->string);
1447 sp = n->child->string;
1448
1449 ep = strchr(sp, ' ');
1450 if (NULL != ep) {
1451 PAIR_CLASS_INIT(&tag[0], "ftype");
1452 t = print_otag(h, TAG_I, 1, tag);
1453
1454 while (ep) {
1455 sz = MIN((int)(ep - sp), BUFSIZ - 1);
1456 (void)memcpy(nbuf, sp, (size_t)sz);
1457 nbuf[sz] = '\0';
1458 print_text(h, nbuf);
1459 sp = ++ep;
1460 ep = strchr(sp, ' ');
1461 }
1462 print_tagq(h, t);
1463 }
1464
1465 PAIR_CLASS_INIT(&tag[0], "fname");
1466
1467 /*
1468 * FIXME: only refer to IDs that we know exist.
1469 */
1470
1471 #if 0
1472 if (MDOC_SYNPRETTY & n->flags) {
1473 nbuf[0] = '\0';
1474 html_idcat(nbuf, sp, BUFSIZ);
1475 PAIR_ID_INIT(&tag[1], nbuf);
1476 } else {
1477 strlcpy(nbuf, "#", BUFSIZ);
1478 html_idcat(nbuf, sp, BUFSIZ);
1479 PAIR_HREF_INIT(&tag[1], nbuf);
1480 }
1481 #endif
1482
1483 t = print_otag(h, TAG_B, 1, tag);
1484
1485 if (sp)
1486 print_text(h, sp);
1487
1488 print_tagq(h, t);
1489
1490 h->flags |= HTML_NOSPACE;
1491 print_text(h, "(");
1492 h->flags |= HTML_NOSPACE;
1493
1494 PAIR_CLASS_INIT(&tag[0], "farg");
1495 bufinit(h);
1496 bufcat_style(h, "white-space", "nowrap");
1497 PAIR_STYLE_INIT(&tag[1], h);
1498
1499 for (n = n->child->next; n; n = n->next) {
1500 i = 1;
1501 if (MDOC_SYNPRETTY & n->flags)
1502 i = 2;
1503 t = print_otag(h, TAG_I, i, tag);
1504 print_text(h, n->string);
1505 print_tagq(h, t);
1506 if (n->next) {
1507 h->flags |= HTML_NOSPACE;
1508 print_text(h, ",");
1509 }
1510 }
1511
1512 h->flags |= HTML_NOSPACE;
1513 print_text(h, ")");
1514
1515 if (pretty) {
1516 h->flags |= HTML_NOSPACE;
1517 print_text(h, ";");
1518 }
1519
1520 return(0);
1521 }
1522
1523 static int
1524 mdoc_sm_pre(MDOC_ARGS)
1525 {
1526
1527 if (NULL == n->child)
1528 h->flags ^= HTML_NONOSPACE;
1529 else if (0 == strcmp("on", n->child->string))
1530 h->flags &= ~HTML_NONOSPACE;
1531 else
1532 h->flags |= HTML_NONOSPACE;
1533
1534 if ( ! (HTML_NONOSPACE & h->flags))
1535 h->flags &= ~HTML_NOSPACE;
1536
1537 return(0);
1538 }
1539
1540 static int
1541 mdoc_skip_pre(MDOC_ARGS)
1542 {
1543
1544 return(0);
1545 }
1546
1547 static int
1548 mdoc_pp_pre(MDOC_ARGS)
1549 {
1550
1551 print_otag(h, TAG_P, 0, NULL);
1552 return(0);
1553 }
1554
1555 static int
1556 mdoc_sp_pre(MDOC_ARGS)
1557 {
1558 struct roffsu su;
1559 struct htmlpair tag;
1560
1561 SCALE_VS_INIT(&su, 1);
1562
1563 if (MDOC_sp == n->tok) {
1564 if (NULL != (n = n->child))
1565 if ( ! a2roffsu(n->string, &su, SCALE_VS))
1566 SCALE_VS_INIT(&su, atoi(n->string));
1567 } else
1568 su.scale = 0;
1569
1570 bufinit(h);
1571 bufcat_su(h, "height", &su);
1572 PAIR_STYLE_INIT(&tag, h);
1573 print_otag(h, TAG_DIV, 1, &tag);
1574
1575 /* So the div isn't empty: */
1576 print_text(h, "\\~");
1577
1578 return(0);
1579
1580 }
1581
1582 static int
1583 mdoc_lk_pre(MDOC_ARGS)
1584 {
1585 struct htmlpair tag[2];
1586
1587 if (NULL == (n = n->child))
1588 return(0);
1589
1590 assert(MDOC_TEXT == n->type);
1591
1592 PAIR_CLASS_INIT(&tag[0], "link-ext");
1593 PAIR_HREF_INIT(&tag[1], n->string);
1594
1595 print_otag(h, TAG_A, 2, tag);
1596
1597 if (NULL == n->next)
1598 print_text(h, n->string);
1599
1600 for (n = n->next; n; n = n->next)
1601 print_text(h, n->string);
1602
1603 return(0);
1604 }
1605
1606 static int
1607 mdoc_mt_pre(MDOC_ARGS)
1608 {
1609 struct htmlpair tag[2];
1610 struct tag *t;
1611
1612 PAIR_CLASS_INIT(&tag[0], "link-mail");
1613
1614 for (n = n->child; n; n = n->next) {
1615 assert(MDOC_TEXT == n->type);
1616
1617 bufinit(h);
1618 bufcat(h, "mailto:");
1619 bufcat(h, n->string);
1620
1621 PAIR_HREF_INIT(&tag[1], h->buf);
1622 t = print_otag(h, TAG_A, 2, tag);
1623 print_text(h, n->string);
1624 print_tagq(h, t);
1625 }
1626
1627 return(0);
1628 }
1629
1630 static int
1631 mdoc_fo_pre(MDOC_ARGS)
1632 {
1633 struct htmlpair tag;
1634 struct tag *t;
1635
1636 if (MDOC_BODY == n->type) {
1637 h->flags |= HTML_NOSPACE;
1638 print_text(h, "(");
1639 h->flags |= HTML_NOSPACE;
1640 return(1);
1641 } else if (MDOC_BLOCK == n->type) {
1642 synopsis_pre(h, n);
1643 return(1);
1644 }
1645
1646 /* XXX: we drop non-initial arguments as per groff. */
1647
1648 assert(n->child);
1649 assert(n->child->string);
1650
1651 PAIR_CLASS_INIT(&tag, "fname");
1652 t = print_otag(h, TAG_B, 1, &tag);
1653 print_text(h, n->child->string);
1654 print_tagq(h, t);
1655 return(0);
1656 }
1657
1658 static void
1659 mdoc_fo_post(MDOC_ARGS)
1660 {
1661
1662 if (MDOC_BODY != n->type)
1663 return;
1664 h->flags |= HTML_NOSPACE;
1665 print_text(h, ")");
1666 h->flags |= HTML_NOSPACE;
1667 print_text(h, ";");
1668 }
1669
1670 static int
1671 mdoc_in_pre(MDOC_ARGS)
1672 {
1673 struct tag *t;
1674 struct htmlpair tag[2];
1675 int i;
1676
1677 synopsis_pre(h, n);
1678
1679 PAIR_CLASS_INIT(&tag[0], "includes");
1680 print_otag(h, TAG_B, 1, tag);
1681
1682 /*
1683 * The first argument of the `In' gets special treatment as
1684 * being a linked value. Subsequent values are printed
1685 * afterward. groff does similarly. This also handles the case
1686 * of no children.
1687 */
1688
1689 if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags)
1690 print_text(h, "#include");
1691
1692 print_text(h, "<");
1693 h->flags |= HTML_NOSPACE;
1694
1695 if (NULL != (n = n->child)) {
1696 assert(MDOC_TEXT == n->type);
1697
1698 PAIR_CLASS_INIT(&tag[0], "link-includes");
1699
1700 i = 1;
1701 if (h->base_includes) {
1702 buffmt_includes(h, n->string);
1703 PAIR_HREF_INIT(&tag[i], h->buf);
1704 i++;
1705 }
1706
1707 t = print_otag(h, TAG_A, i, tag);
1708 print_text(h, n->string);
1709 print_tagq(h, t);
1710
1711 n = n->next;
1712 }
1713
1714 h->flags |= HTML_NOSPACE;
1715 print_text(h, ">");
1716
1717 for ( ; n; n = n->next) {
1718 assert(MDOC_TEXT == n->type);
1719 print_text(h, n->string);
1720 }
1721
1722 return(0);
1723 }
1724
1725 static int
1726 mdoc_ic_pre(MDOC_ARGS)
1727 {
1728 struct htmlpair tag;
1729
1730 PAIR_CLASS_INIT(&tag, "cmd");
1731 print_otag(h, TAG_B, 1, &tag);
1732 return(1);
1733 }
1734
1735 static int
1736 mdoc_rv_pre(MDOC_ARGS)
1737 {
1738 struct htmlpair tag;
1739 struct tag *t;
1740 int nchild;
1741
1742 if (n->prev)
1743 print_otag(h, TAG_BR, 0, NULL);
1744
1745 PAIR_CLASS_INIT(&tag, "fname");
1746
1747 nchild = n->nchild;
1748 if (nchild > 0) {
1749 print_text(h, "The");
1750
1751 for (n = n->child; n; n = n->next) {
1752 t = print_otag(h, TAG_B, 1, &tag);
1753 print_text(h, n->string);
1754 print_tagq(h, t);
1755
1756 h->flags |= HTML_NOSPACE;
1757 print_text(h, "()");
1758
1759 if (n->next == NULL)
1760 continue;
1761
1762 if (nchild > 2) {
1763 h->flags |= HTML_NOSPACE;
1764 print_text(h, ",");
1765 }
1766 if (n->next->next == NULL)
1767 print_text(h, "and");
1768 }
1769
1770 if (nchild > 1)
1771 print_text(h, "functions return");
1772 else
1773 print_text(h, "function returns");
1774
1775 print_text(h, "the value\\~0 if successful;");
1776 } else
1777 print_text(h, "Upon successful completion,"
1778 " the value\\~0 is returned;");
1779
1780 print_text(h, "otherwise the value\\~\\-1 is returned"
1781 " and the global variable");
1782
1783 PAIR_CLASS_INIT(&tag, "var");
1784 t = print_otag(h, TAG_B, 1, &tag);
1785 print_text(h, "errno");
1786 print_tagq(h, t);
1787 print_text(h, "is set to indicate the error.");
1788 return(0);
1789 }
1790
1791 static int
1792 mdoc_va_pre(MDOC_ARGS)
1793 {
1794 struct htmlpair tag;
1795
1796 PAIR_CLASS_INIT(&tag, "var");
1797 print_otag(h, TAG_B, 1, &tag);
1798 return(1);
1799 }
1800
1801 static int
1802 mdoc_ap_pre(MDOC_ARGS)
1803 {
1804
1805 h->flags |= HTML_NOSPACE;
1806 print_text(h, "\\(aq");
1807 h->flags |= HTML_NOSPACE;
1808 return(1);
1809 }
1810
1811 static int
1812 mdoc_bf_pre(MDOC_ARGS)
1813 {
1814 struct htmlpair tag[2];
1815 struct roffsu su;
1816
1817 if (MDOC_HEAD == n->type)
1818 return(0);
1819 else if (MDOC_BODY != n->type)
1820 return(1);
1821
1822 if (FONT_Em == n->norm->Bf.font)
1823 PAIR_CLASS_INIT(&tag[0], "emph");
1824 else if (FONT_Sy == n->norm->Bf.font)
1825 PAIR_CLASS_INIT(&tag[0], "symb");
1826 else if (FONT_Li == n->norm->Bf.font)
1827 PAIR_CLASS_INIT(&tag[0], "lit");
1828 else
1829 PAIR_CLASS_INIT(&tag[0], "none");
1830
1831 /*
1832 * We want this to be inline-formatted, but needs to be div to
1833 * accept block children.
1834 */
1835 bufinit(h);
1836 bufcat_style(h, "display", "inline");
1837 SCALE_HS_INIT(&su, 1);
1838 /* Needs a left-margin for spacing. */
1839 bufcat_su(h, "margin-left", &su);
1840 PAIR_STYLE_INIT(&tag[1], h);
1841 print_otag(h, TAG_DIV, 2, tag);
1842 return(1);
1843 }
1844
1845 static int
1846 mdoc_ms_pre(MDOC_ARGS)
1847 {
1848 struct htmlpair tag;
1849
1850 PAIR_CLASS_INIT(&tag, "symb");
1851 print_otag(h, TAG_SPAN, 1, &tag);
1852 return(1);
1853 }
1854
1855 static int
1856 mdoc_igndelim_pre(MDOC_ARGS)
1857 {
1858
1859 h->flags |= HTML_IGNDELIM;
1860 return(1);
1861 }
1862
1863 static void
1864 mdoc_pf_post(MDOC_ARGS)
1865 {
1866
1867 h->flags |= HTML_NOSPACE;
1868 }
1869
1870 static int
1871 mdoc_rs_pre(MDOC_ARGS)
1872 {
1873 struct htmlpair tag;
1874
1875 if (MDOC_BLOCK != n->type)
1876 return(1);
1877
1878 if (n->prev && SEC_SEE_ALSO == n->sec)
1879 print_otag(h, TAG_P, 0, NULL);
1880
1881 PAIR_CLASS_INIT(&tag, "ref");
1882 print_otag(h, TAG_SPAN, 1, &tag);
1883 return(1);
1884 }
1885
1886 static int
1887 mdoc_li_pre(MDOC_ARGS)
1888 {
1889 struct htmlpair tag;
1890
1891 PAIR_CLASS_INIT(&tag, "lit");
1892 print_otag(h, TAG_CODE, 1, &tag);
1893 return(1);
1894 }
1895
1896 static int
1897 mdoc_sy_pre(MDOC_ARGS)
1898 {
1899 struct htmlpair tag;
1900
1901 PAIR_CLASS_INIT(&tag, "symb");
1902 print_otag(h, TAG_SPAN, 1, &tag);
1903 return(1);
1904 }
1905
1906 static int
1907 mdoc_bt_pre(MDOC_ARGS)
1908 {
1909
1910 print_text(h, "is currently in beta test.");
1911 return(0);
1912 }
1913
1914 static int
1915 mdoc_ud_pre(MDOC_ARGS)
1916 {
1917
1918 print_text(h, "currently under development.");
1919 return(0);
1920 }
1921
1922 static int
1923 mdoc_lb_pre(MDOC_ARGS)
1924 {
1925 struct htmlpair tag;
1926
1927 if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags && n->prev)
1928 print_otag(h, TAG_BR, 0, NULL);
1929
1930 PAIR_CLASS_INIT(&tag, "lib");
1931 print_otag(h, TAG_SPAN, 1, &tag);
1932 return(1);
1933 }
1934
1935 static int
1936 mdoc__x_pre(MDOC_ARGS)
1937 {
1938 struct htmlpair tag[2];
1939 enum htmltag t;
1940
1941 t = TAG_SPAN;
1942
1943 switch (n->tok) {
1944 case MDOC__A:
1945 PAIR_CLASS_INIT(&tag[0], "ref-auth");
1946 if (n->prev && MDOC__A == n->prev->tok)
1947 if (NULL == n->next || MDOC__A != n->next->tok)
1948 print_text(h, "and");
1949 break;
1950 case MDOC__B:
1951 PAIR_CLASS_INIT(&tag[0], "ref-book");
1952 t = TAG_I;
1953 break;
1954 case MDOC__C:
1955 PAIR_CLASS_INIT(&tag[0], "ref-city");
1956 break;
1957 case MDOC__D:
1958 PAIR_CLASS_INIT(&tag[0], "ref-date");
1959 break;
1960 case MDOC__I:
1961 PAIR_CLASS_INIT(&tag[0], "ref-issue");
1962 t = TAG_I;
1963 break;
1964 case MDOC__J:
1965 PAIR_CLASS_INIT(&tag[0], "ref-jrnl");
1966 t = TAG_I;
1967 break;
1968 case MDOC__N:
1969 PAIR_CLASS_INIT(&tag[0], "ref-num");
1970 break;
1971 case MDOC__O:
1972 PAIR_CLASS_INIT(&tag[0], "ref-opt");
1973 break;
1974 case MDOC__P:
1975 PAIR_CLASS_INIT(&tag[0], "ref-page");
1976 break;
1977 case MDOC__Q:
1978 PAIR_CLASS_INIT(&tag[0], "ref-corp");
1979 break;
1980 case MDOC__R:
1981 PAIR_CLASS_INIT(&tag[0], "ref-rep");
1982 break;
1983 case MDOC__T:
1984 PAIR_CLASS_INIT(&tag[0], "ref-title");
1985 break;
1986 case MDOC__U:
1987 PAIR_CLASS_INIT(&tag[0], "link-ref");
1988 break;
1989 case MDOC__V:
1990 PAIR_CLASS_INIT(&tag[0], "ref-vol");
1991 break;
1992 default:
1993 abort();
1994 /* NOTREACHED */
1995 }
1996
1997 if (MDOC__U != n->tok) {
1998 print_otag(h, t, 1, tag);
1999 return(1);
2000 }
2001
2002 PAIR_HREF_INIT(&tag[1], n->child->string);
2003 print_otag(h, TAG_A, 2, tag);
2004
2005 return(1);
2006 }
2007
2008 static void
2009 mdoc__x_post(MDOC_ARGS)
2010 {
2011
2012 if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2013 if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2014 if (NULL == n->prev || MDOC__A != n->prev->tok)
2015 return;
2016
2017 /* TODO: %U */
2018
2019 if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2020 return;
2021
2022 h->flags |= HTML_NOSPACE;
2023 print_text(h, n->next ? "," : ".");
2024 }
2025
2026 static int
2027 mdoc_bk_pre(MDOC_ARGS)
2028 {
2029
2030 switch (n->type) {
2031 case MDOC_BLOCK:
2032 break;
2033 case MDOC_HEAD:
2034 return(0);
2035 case MDOC_BODY:
2036 if (n->parent->args || 0 == n->prev->nchild)
2037 h->flags |= HTML_PREKEEP;
2038 break;
2039 default:
2040 abort();
2041 /* NOTREACHED */
2042 }
2043
2044 return(1);
2045 }
2046
2047 static void
2048 mdoc_bk_post(MDOC_ARGS)
2049 {
2050
2051 if (MDOC_BODY == n->type)
2052 h->flags &= ~(HTML_KEEP | HTML_PREKEEP);
2053 }
2054
2055 static int
2056 mdoc_quote_pre(MDOC_ARGS)
2057 {
2058 struct htmlpair tag;
2059
2060 if (MDOC_BODY != n->type)
2061 return(1);
2062
2063 switch (n->tok) {
2064 case MDOC_Ao:
2065 /* FALLTHROUGH */
2066 case MDOC_Aq:
2067 print_text(h, "\\(la");
2068 break;
2069 case MDOC_Bro:
2070 /* FALLTHROUGH */
2071 case MDOC_Brq:
2072 print_text(h, "\\(lC");
2073 break;
2074 case MDOC_Bo:
2075 /* FALLTHROUGH */
2076 case MDOC_Bq:
2077 print_text(h, "\\(lB");
2078 break;
2079 case MDOC_Oo:
2080 /* FALLTHROUGH */
2081 case MDOC_Op:
2082 print_text(h, "\\(lB");
2083 h->flags |= HTML_NOSPACE;
2084 PAIR_CLASS_INIT(&tag, "opt");
2085 print_otag(h, TAG_SPAN, 1, &tag);
2086 break;
2087 case MDOC_En:
2088 if (NULL == n->norm->Es ||
2089 NULL == n->norm->Es->child)
2090 return(1);
2091 print_text(h, n->norm->Es->child->string);
2092 break;
2093 case MDOC_Eo:
2094 break;
2095 case MDOC_Do:
2096 /* FALLTHROUGH */
2097 case MDOC_Dq:
2098 /* FALLTHROUGH */
2099 case MDOC_Qo:
2100 /* FALLTHROUGH */
2101 case MDOC_Qq:
2102 print_text(h, "\\(lq");
2103 break;
2104 case MDOC_Po:
2105 /* FALLTHROUGH */
2106 case MDOC_Pq:
2107 print_text(h, "(");
2108 break;
2109 case MDOC_Ql:
2110 print_text(h, "\\(oq");
2111 h->flags |= HTML_NOSPACE;
2112 PAIR_CLASS_INIT(&tag, "lit");
2113 print_otag(h, TAG_CODE, 1, &tag);
2114 break;
2115 case MDOC_So:
2116 /* FALLTHROUGH */
2117 case MDOC_Sq:
2118 print_text(h, "\\(oq");
2119 break;
2120 default:
2121 abort();
2122 /* NOTREACHED */
2123 }
2124
2125 h->flags |= HTML_NOSPACE;
2126 return(1);
2127 }
2128
2129 static void
2130 mdoc_quote_post(MDOC_ARGS)
2131 {
2132
2133 if (MDOC_BODY != n->type)
2134 return;
2135
2136 if (MDOC_En != n->tok)
2137 h->flags |= HTML_NOSPACE;
2138
2139 switch (n->tok) {
2140 case MDOC_Ao:
2141 /* FALLTHROUGH */
2142 case MDOC_Aq:
2143 print_text(h, "\\(ra");
2144 break;
2145 case MDOC_Bro:
2146 /* FALLTHROUGH */
2147 case MDOC_Brq:
2148 print_text(h, "\\(rC");
2149 break;
2150 case MDOC_Oo:
2151 /* FALLTHROUGH */
2152 case MDOC_Op:
2153 /* FALLTHROUGH */
2154 case MDOC_Bo:
2155 /* FALLTHROUGH */
2156 case MDOC_Bq:
2157 print_text(h, "\\(rB");
2158 break;
2159 case MDOC_En:
2160 if (NULL != n->norm->Es &&
2161 NULL != n->norm->Es->child &&
2162 NULL != n->norm->Es->child->next) {
2163 h->flags |= HTML_NOSPACE;
2164 print_text(h, n->norm->Es->child->next->string);
2165 }
2166 break;
2167 case MDOC_Eo:
2168 break;
2169 case MDOC_Qo:
2170 /* FALLTHROUGH */
2171 case MDOC_Qq:
2172 /* FALLTHROUGH */
2173 case MDOC_Do:
2174 /* FALLTHROUGH */
2175 case MDOC_Dq:
2176 print_text(h, "\\(rq");
2177 break;
2178 case MDOC_Po:
2179 /* FALLTHROUGH */
2180 case MDOC_Pq:
2181 print_text(h, ")");
2182 break;
2183 case MDOC_Ql:
2184 /* FALLTHROUGH */
2185 case MDOC_So:
2186 /* FALLTHROUGH */
2187 case MDOC_Sq:
2188 print_text(h, "\\(cq");
2189 break;
2190 default:
2191 abort();
2192 /* NOTREACHED */
2193 }
2194 }
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