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[mandoc.git] / mdoc_html.c
1 /* $Id: mdoc_html.c,v 1.208 2014/10/10 15:26:29 schwarze Exp $ */
2 /*
3 * Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
4 * Copyright (c) 2014 Ingo Schwarze <schwarze@openbsd.org>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18 #include "config.h"
19
20 #include <sys/types.h>
21
22 #include <assert.h>
23 #include <ctype.h>
24 #include <stdio.h>
25 #include <stdlib.h>
26 #include <string.h>
27 #include <unistd.h>
28
29 #include "mandoc.h"
30 #include "mandoc_aux.h"
31 #include "out.h"
32 #include "html.h"
33 #include "mdoc.h"
34 #include "main.h"
35
36 #define INDENT 5
37
38 #define MDOC_ARGS const struct mdoc_meta *meta, \
39 const struct mdoc_node *n, \
40 struct html *h
41
42 #ifndef MIN
43 #define MIN(a,b) ((/*CONSTCOND*/(a)<(b))?(a):(b))
44 #endif
45
46 struct htmlmdoc {
47 int (*pre)(MDOC_ARGS);
48 void (*post)(MDOC_ARGS);
49 };
50
51 static void print_mdoc(MDOC_ARGS);
52 static void print_mdoc_head(MDOC_ARGS);
53 static void print_mdoc_node(MDOC_ARGS);
54 static void print_mdoc_nodelist(MDOC_ARGS);
55 static void synopsis_pre(struct html *,
56 const struct mdoc_node *);
57
58 static void a2width(const char *, struct roffsu *);
59 static void a2offs(const char *, struct roffsu *);
60
61 static void mdoc_root_post(MDOC_ARGS);
62 static int mdoc_root_pre(MDOC_ARGS);
63
64 static void mdoc__x_post(MDOC_ARGS);
65 static int mdoc__x_pre(MDOC_ARGS);
66 static int mdoc_ad_pre(MDOC_ARGS);
67 static int mdoc_an_pre(MDOC_ARGS);
68 static int mdoc_ap_pre(MDOC_ARGS);
69 static int mdoc_ar_pre(MDOC_ARGS);
70 static int mdoc_bd_pre(MDOC_ARGS);
71 static int mdoc_bf_pre(MDOC_ARGS);
72 static void mdoc_bk_post(MDOC_ARGS);
73 static int mdoc_bk_pre(MDOC_ARGS);
74 static int mdoc_bl_pre(MDOC_ARGS);
75 static int mdoc_bt_pre(MDOC_ARGS);
76 static int mdoc_bx_pre(MDOC_ARGS);
77 static int mdoc_cd_pre(MDOC_ARGS);
78 static int mdoc_d1_pre(MDOC_ARGS);
79 static int mdoc_dv_pre(MDOC_ARGS);
80 static int mdoc_fa_pre(MDOC_ARGS);
81 static int mdoc_fd_pre(MDOC_ARGS);
82 static int mdoc_fl_pre(MDOC_ARGS);
83 static int mdoc_fn_pre(MDOC_ARGS);
84 static int mdoc_ft_pre(MDOC_ARGS);
85 static int mdoc_em_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_ns_pre(MDOC_ARGS);
103 static int mdoc_pa_pre(MDOC_ARGS);
104 static void mdoc_pf_post(MDOC_ARGS);
105 static int mdoc_pp_pre(MDOC_ARGS);
106 static void mdoc_quote_post(MDOC_ARGS);
107 static int mdoc_quote_pre(MDOC_ARGS);
108 static int mdoc_rs_pre(MDOC_ARGS);
109 static int mdoc_rv_pre(MDOC_ARGS);
110 static int mdoc_sh_pre(MDOC_ARGS);
111 static int mdoc_skip_pre(MDOC_ARGS);
112 static int mdoc_sm_pre(MDOC_ARGS);
113 static int mdoc_sp_pre(MDOC_ARGS);
114 static int mdoc_ss_pre(MDOC_ARGS);
115 static int mdoc_sx_pre(MDOC_ARGS);
116 static int mdoc_sy_pre(MDOC_ARGS);
117 static int mdoc_ud_pre(MDOC_ARGS);
118 static int mdoc_va_pre(MDOC_ARGS);
119 static int mdoc_vt_pre(MDOC_ARGS);
120 static int mdoc_xr_pre(MDOC_ARGS);
121 static int mdoc_xx_pre(MDOC_ARGS);
122
123 static const struct htmlmdoc mdocs[MDOC_MAX] = {
124 {mdoc_ap_pre, NULL}, /* Ap */
125 {NULL, NULL}, /* Dd */
126 {NULL, NULL}, /* Dt */
127 {NULL, NULL}, /* Os */
128 {mdoc_sh_pre, NULL }, /* Sh */
129 {mdoc_ss_pre, NULL }, /* Ss */
130 {mdoc_pp_pre, NULL}, /* Pp */
131 {mdoc_d1_pre, NULL}, /* D1 */
132 {mdoc_d1_pre, NULL}, /* Dl */
133 {mdoc_bd_pre, NULL}, /* Bd */
134 {NULL, NULL}, /* Ed */
135 {mdoc_bl_pre, NULL}, /* Bl */
136 {NULL, NULL}, /* El */
137 {mdoc_it_pre, NULL}, /* It */
138 {mdoc_ad_pre, NULL}, /* Ad */
139 {mdoc_an_pre, NULL}, /* An */
140 {mdoc_ar_pre, NULL}, /* Ar */
141 {mdoc_cd_pre, NULL}, /* Cd */
142 {mdoc_fl_pre, NULL}, /* Cm */
143 {mdoc_dv_pre, NULL}, /* Dv */
144 {mdoc_er_pre, NULL}, /* Er */
145 {mdoc_ev_pre, NULL}, /* Ev */
146 {mdoc_ex_pre, NULL}, /* Ex */
147 {mdoc_fa_pre, NULL}, /* Fa */
148 {mdoc_fd_pre, NULL}, /* Fd */
149 {mdoc_fl_pre, NULL}, /* Fl */
150 {mdoc_fn_pre, NULL}, /* Fn */
151 {mdoc_ft_pre, NULL}, /* Ft */
152 {mdoc_ic_pre, NULL}, /* Ic */
153 {mdoc_in_pre, NULL}, /* In */
154 {mdoc_li_pre, NULL}, /* Li */
155 {mdoc_nd_pre, NULL}, /* Nd */
156 {mdoc_nm_pre, NULL}, /* Nm */
157 {mdoc_quote_pre, mdoc_quote_post}, /* Op */
158 {mdoc_ft_pre, NULL}, /* Ot */
159 {mdoc_pa_pre, NULL}, /* Pa */
160 {mdoc_rv_pre, NULL}, /* Rv */
161 {NULL, NULL}, /* St */
162 {mdoc_va_pre, NULL}, /* Va */
163 {mdoc_vt_pre, NULL}, /* Vt */
164 {mdoc_xr_pre, NULL}, /* Xr */
165 {mdoc__x_pre, mdoc__x_post}, /* %A */
166 {mdoc__x_pre, mdoc__x_post}, /* %B */
167 {mdoc__x_pre, mdoc__x_post}, /* %D */
168 {mdoc__x_pre, mdoc__x_post}, /* %I */
169 {mdoc__x_pre, mdoc__x_post}, /* %J */
170 {mdoc__x_pre, mdoc__x_post}, /* %N */
171 {mdoc__x_pre, mdoc__x_post}, /* %O */
172 {mdoc__x_pre, mdoc__x_post}, /* %P */
173 {mdoc__x_pre, mdoc__x_post}, /* %R */
174 {mdoc__x_pre, mdoc__x_post}, /* %T */
175 {mdoc__x_pre, mdoc__x_post}, /* %V */
176 {NULL, NULL}, /* Ac */
177 {mdoc_quote_pre, mdoc_quote_post}, /* Ao */
178 {mdoc_quote_pre, mdoc_quote_post}, /* Aq */
179 {NULL, NULL}, /* At */
180 {NULL, NULL}, /* Bc */
181 {mdoc_bf_pre, NULL}, /* Bf */
182 {mdoc_quote_pre, mdoc_quote_post}, /* Bo */
183 {mdoc_quote_pre, mdoc_quote_post}, /* Bq */
184 {mdoc_xx_pre, NULL}, /* Bsx */
185 {mdoc_bx_pre, NULL}, /* Bx */
186 {NULL, NULL}, /* Db */
187 {NULL, NULL}, /* Dc */
188 {mdoc_quote_pre, mdoc_quote_post}, /* Do */
189 {mdoc_quote_pre, mdoc_quote_post}, /* Dq */
190 {NULL, NULL}, /* Ec */ /* FIXME: no space */
191 {NULL, NULL}, /* Ef */
192 {mdoc_em_pre, NULL}, /* Em */
193 {mdoc_quote_pre, mdoc_quote_post}, /* Eo */
194 {mdoc_xx_pre, NULL}, /* Fx */
195 {mdoc_ms_pre, NULL}, /* Ms */
196 {mdoc_igndelim_pre, NULL}, /* No */
197 {mdoc_ns_pre, NULL}, /* Ns */
198 {mdoc_xx_pre, NULL}, /* Nx */
199 {mdoc_xx_pre, NULL}, /* Ox */
200 {NULL, NULL}, /* Pc */
201 {mdoc_igndelim_pre, mdoc_pf_post}, /* Pf */
202 {mdoc_quote_pre, mdoc_quote_post}, /* Po */
203 {mdoc_quote_pre, mdoc_quote_post}, /* Pq */
204 {NULL, NULL}, /* Qc */
205 {mdoc_quote_pre, mdoc_quote_post}, /* Ql */
206 {mdoc_quote_pre, mdoc_quote_post}, /* Qo */
207 {mdoc_quote_pre, mdoc_quote_post}, /* Qq */
208 {NULL, NULL}, /* Re */
209 {mdoc_rs_pre, NULL}, /* Rs */
210 {NULL, NULL}, /* Sc */
211 {mdoc_quote_pre, mdoc_quote_post}, /* So */
212 {mdoc_quote_pre, mdoc_quote_post}, /* Sq */
213 {mdoc_sm_pre, NULL}, /* Sm */
214 {mdoc_sx_pre, NULL}, /* Sx */
215 {mdoc_sy_pre, NULL}, /* Sy */
216 {NULL, NULL}, /* Tn */
217 {mdoc_xx_pre, NULL}, /* Ux */
218 {NULL, NULL}, /* Xc */
219 {NULL, NULL}, /* Xo */
220 {mdoc_fo_pre, mdoc_fo_post}, /* Fo */
221 {NULL, NULL}, /* Fc */
222 {mdoc_quote_pre, mdoc_quote_post}, /* Oo */
223 {NULL, NULL}, /* Oc */
224 {mdoc_bk_pre, mdoc_bk_post}, /* Bk */
225 {NULL, NULL}, /* Ek */
226 {mdoc_bt_pre, NULL}, /* Bt */
227 {NULL, NULL}, /* Hf */
228 {mdoc_em_pre, NULL}, /* Fr */
229 {mdoc_ud_pre, NULL}, /* Ud */
230 {mdoc_lb_pre, NULL}, /* Lb */
231 {mdoc_pp_pre, NULL}, /* Lp */
232 {mdoc_lk_pre, NULL}, /* Lk */
233 {mdoc_mt_pre, NULL}, /* Mt */
234 {mdoc_quote_pre, mdoc_quote_post}, /* Brq */
235 {mdoc_quote_pre, mdoc_quote_post}, /* Bro */
236 {NULL, NULL}, /* Brc */
237 {mdoc__x_pre, mdoc__x_post}, /* %C */
238 {mdoc_skip_pre, NULL}, /* Es */
239 {mdoc_quote_pre, mdoc_quote_post}, /* En */
240 {mdoc_xx_pre, NULL}, /* Dx */
241 {mdoc__x_pre, mdoc__x_post}, /* %Q */
242 {mdoc_sp_pre, NULL}, /* br */
243 {mdoc_sp_pre, NULL}, /* sp */
244 {mdoc__x_pre, mdoc__x_post}, /* %U */
245 {NULL, NULL}, /* Ta */
246 {mdoc_skip_pre, NULL}, /* ll */
247 };
248
249 static const char * const lists[LIST_MAX] = {
250 NULL,
251 "list-bul",
252 "list-col",
253 "list-dash",
254 "list-diag",
255 "list-enum",
256 "list-hang",
257 "list-hyph",
258 "list-inset",
259 "list-item",
260 "list-ohang",
261 "list-tag"
262 };
263
264
265 void
266 html_mdoc(void *arg, const struct mdoc *mdoc)
267 {
268
269 print_mdoc(mdoc_meta(mdoc), mdoc_node(mdoc),
270 (struct html *)arg);
271 putchar('\n');
272 }
273
274 /*
275 * Calculate the scaling unit passed in a `-width' argument. This uses
276 * either a native scaling unit (e.g., 1i, 2m) or the string length of
277 * the value.
278 */
279 static void
280 a2width(const char *p, struct roffsu *su)
281 {
282
283 if ( ! a2roffsu(p, su, SCALE_MAX)) {
284 su->unit = SCALE_BU;
285 su->scale = html_strlen(p);
286 }
287 }
288
289 /*
290 * See the same function in mdoc_term.c for documentation.
291 */
292 static void
293 synopsis_pre(struct html *h, const struct mdoc_node *n)
294 {
295
296 if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
297 return;
298
299 if (n->prev->tok == n->tok &&
300 MDOC_Fo != n->tok &&
301 MDOC_Ft != n->tok &&
302 MDOC_Fn != n->tok) {
303 print_otag(h, TAG_BR, 0, NULL);
304 return;
305 }
306
307 switch (n->prev->tok) {
308 case MDOC_Fd:
309 /* FALLTHROUGH */
310 case MDOC_Fn:
311 /* FALLTHROUGH */
312 case MDOC_Fo:
313 /* FALLTHROUGH */
314 case MDOC_In:
315 /* FALLTHROUGH */
316 case MDOC_Vt:
317 print_paragraph(h);
318 break;
319 case MDOC_Ft:
320 if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
321 print_paragraph(h);
322 break;
323 }
324 /* FALLTHROUGH */
325 default:
326 print_otag(h, TAG_BR, 0, NULL);
327 break;
328 }
329 }
330
331 /*
332 * Calculate the scaling unit passed in an `-offset' argument. This
333 * uses either a native scaling unit (e.g., 1i, 2m), one of a set of
334 * predefined strings (indent, etc.), or the string length of the value.
335 */
336 static void
337 a2offs(const char *p, struct roffsu *su)
338 {
339
340 /* FIXME: "right"? */
341
342 if (0 == strcmp(p, "left"))
343 SCALE_HS_INIT(su, 0);
344 else if (0 == strcmp(p, "indent"))
345 SCALE_HS_INIT(su, INDENT);
346 else if (0 == strcmp(p, "indent-two"))
347 SCALE_HS_INIT(su, INDENT * 2);
348 else if ( ! a2roffsu(p, su, SCALE_MAX))
349 SCALE_HS_INIT(su, html_strlen(p));
350 }
351
352 static void
353 print_mdoc(MDOC_ARGS)
354 {
355 struct tag *t, *tt;
356 struct htmlpair tag;
357
358 PAIR_CLASS_INIT(&tag, "mandoc");
359
360 if ( ! (HTML_FRAGMENT & h->oflags)) {
361 print_gen_decls(h);
362 t = print_otag(h, TAG_HTML, 0, NULL);
363 tt = print_otag(h, TAG_HEAD, 0, NULL);
364 print_mdoc_head(meta, n, h);
365 print_tagq(h, tt);
366 print_otag(h, TAG_BODY, 0, NULL);
367 print_otag(h, TAG_DIV, 1, &tag);
368 } else
369 t = print_otag(h, TAG_DIV, 1, &tag);
370
371 print_mdoc_nodelist(meta, n, h);
372 print_tagq(h, t);
373 }
374
375 static void
376 print_mdoc_head(MDOC_ARGS)
377 {
378
379 print_gen_head(h);
380 bufinit(h);
381 bufcat(h, meta->title);
382 if (meta->msec)
383 bufcat_fmt(h, "(%s)", meta->msec);
384 if (meta->arch)
385 bufcat_fmt(h, " (%s)", meta->arch);
386
387 print_otag(h, TAG_TITLE, 0, NULL);
388 print_text(h, h->buf);
389 }
390
391 static void
392 print_mdoc_nodelist(MDOC_ARGS)
393 {
394
395 print_mdoc_node(meta, n, h);
396 if (n->next)
397 print_mdoc_nodelist(meta, n->next, h);
398 }
399
400 static void
401 print_mdoc_node(MDOC_ARGS)
402 {
403 int child;
404 struct tag *t;
405
406 child = 1;
407 t = h->tags.head;
408
409 switch (n->type) {
410 case MDOC_ROOT:
411 child = mdoc_root_pre(meta, n, h);
412 break;
413 case MDOC_TEXT:
414 /* No tables in this mode... */
415 assert(NULL == h->tblt);
416
417 /*
418 * Make sure that if we're in a literal mode already
419 * (i.e., within a <PRE>) don't print the newline.
420 */
421 if (' ' == *n->string && MDOC_LINE & n->flags)
422 if ( ! (HTML_LITERAL & h->flags))
423 print_otag(h, TAG_BR, 0, NULL);
424 if (MDOC_DELIMC & n->flags)
425 h->flags |= HTML_NOSPACE;
426 print_text(h, n->string);
427 if (MDOC_DELIMO & n->flags)
428 h->flags |= HTML_NOSPACE;
429 return;
430 case MDOC_EQN:
431 print_eqn(h, n->eqn);
432 break;
433 case MDOC_TBL:
434 /*
435 * This will take care of initialising all of the table
436 * state data for the first table, then tearing it down
437 * for the last one.
438 */
439 print_tbl(h, n->span);
440 return;
441 default:
442 /*
443 * Close out the current table, if it's open, and unset
444 * the "meta" table state. This will be reopened on the
445 * next table element.
446 */
447 if (h->tblt) {
448 print_tblclose(h);
449 t = h->tags.head;
450 }
451
452 assert(NULL == h->tblt);
453 if (mdocs[n->tok].pre && ENDBODY_NOT == n->end)
454 child = (*mdocs[n->tok].pre)(meta, n, h);
455 break;
456 }
457
458 if (HTML_KEEP & h->flags) {
459 if (n->prev ? (n->prev->lastline != n->line) :
460 (n->parent && n->parent->line != n->line)) {
461 h->flags &= ~HTML_KEEP;
462 h->flags |= HTML_PREKEEP;
463 }
464 }
465
466 if (child && n->child)
467 print_mdoc_nodelist(meta, n->child, h);
468
469 print_stagq(h, t);
470
471 switch (n->type) {
472 case MDOC_ROOT:
473 mdoc_root_post(meta, n, h);
474 break;
475 case MDOC_EQN:
476 break;
477 default:
478 if (mdocs[n->tok].post && ENDBODY_NOT == n->end)
479 (*mdocs[n->tok].post)(meta, n, h);
480 break;
481 }
482 }
483
484 static void
485 mdoc_root_post(MDOC_ARGS)
486 {
487 struct htmlpair tag;
488 struct tag *t, *tt;
489
490 PAIR_CLASS_INIT(&tag, "foot");
491 t = print_otag(h, TAG_TABLE, 1, &tag);
492
493 print_otag(h, TAG_TBODY, 0, NULL);
494
495 tt = print_otag(h, TAG_TR, 0, NULL);
496
497 PAIR_CLASS_INIT(&tag, "foot-date");
498 print_otag(h, TAG_TD, 1, &tag);
499 print_text(h, meta->date);
500 print_stagq(h, tt);
501
502 PAIR_CLASS_INIT(&tag, "foot-os");
503 print_otag(h, TAG_TD, 1, &tag);
504 print_text(h, meta->os);
505 print_tagq(h, t);
506 }
507
508 static int
509 mdoc_root_pre(MDOC_ARGS)
510 {
511 struct htmlpair tag;
512 struct tag *t, *tt;
513 char *volume, *title;
514
515 if (NULL == meta->arch)
516 volume = mandoc_strdup(meta->vol);
517 else
518 mandoc_asprintf(&volume, "%s (%s)",
519 meta->vol, meta->arch);
520
521 if (NULL == meta->msec)
522 title = mandoc_strdup(meta->title);
523 else
524 mandoc_asprintf(&title, "%s(%s)",
525 meta->title, meta->msec);
526
527 PAIR_CLASS_INIT(&tag, "head");
528 t = print_otag(h, TAG_TABLE, 1, &tag);
529
530 print_otag(h, TAG_TBODY, 0, NULL);
531
532 tt = print_otag(h, TAG_TR, 0, NULL);
533
534 PAIR_CLASS_INIT(&tag, "head-ltitle");
535 print_otag(h, TAG_TD, 1, &tag);
536 print_text(h, title);
537 print_stagq(h, tt);
538
539 PAIR_CLASS_INIT(&tag, "head-vol");
540 print_otag(h, TAG_TD, 1, &tag);
541 print_text(h, volume);
542 print_stagq(h, tt);
543
544 PAIR_CLASS_INIT(&tag, "head-rtitle");
545 print_otag(h, TAG_TD, 1, &tag);
546 print_text(h, title);
547 print_tagq(h, t);
548
549 free(title);
550 free(volume);
551 return(1);
552 }
553
554 static int
555 mdoc_sh_pre(MDOC_ARGS)
556 {
557 struct htmlpair tag;
558
559 switch (n->type) {
560 case MDOC_BLOCK:
561 PAIR_CLASS_INIT(&tag, "section");
562 print_otag(h, TAG_DIV, 1, &tag);
563 return(1);
564 case MDOC_BODY:
565 if (n->sec == SEC_AUTHORS)
566 h->flags &= ~(HTML_SPLIT|HTML_NOSPLIT);
567 return(1);
568 default:
569 break;
570 }
571
572 bufinit(h);
573 bufcat(h, "x");
574
575 for (n = n->child; n && MDOC_TEXT == n->type; ) {
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_H1, 1, &tag);
584 } else
585 print_otag(h, TAG_H1, 0, NULL);
586
587 return(1);
588 }
589
590 static int
591 mdoc_ss_pre(MDOC_ARGS)
592 {
593 struct htmlpair tag;
594
595 if (MDOC_BLOCK == n->type) {
596 PAIR_CLASS_INIT(&tag, "subsection");
597 print_otag(h, TAG_DIV, 1, &tag);
598 return(1);
599 } else if (MDOC_BODY == n->type)
600 return(1);
601
602 bufinit(h);
603 bufcat(h, "x");
604
605 for (n = n->child; n && MDOC_TEXT == n->type; ) {
606 bufcat_id(h, n->string);
607 if (NULL != (n = n->next))
608 bufcat_id(h, " ");
609 }
610
611 if (NULL == n) {
612 PAIR_ID_INIT(&tag, h->buf);
613 print_otag(h, TAG_H2, 1, &tag);
614 } else
615 print_otag(h, TAG_H2, 0, NULL);
616
617 return(1);
618 }
619
620 static int
621 mdoc_fl_pre(MDOC_ARGS)
622 {
623 struct htmlpair tag;
624
625 PAIR_CLASS_INIT(&tag, "flag");
626 print_otag(h, TAG_B, 1, &tag);
627
628 /* `Cm' has no leading hyphen. */
629
630 if (MDOC_Cm == n->tok)
631 return(1);
632
633 print_text(h, "\\-");
634
635 if ( ! (n->nchild == 0 &&
636 (n->next == NULL ||
637 n->next->type == MDOC_TEXT ||
638 n->next->flags & MDOC_LINE)))
639 h->flags |= HTML_NOSPACE;
640
641 return(1);
642 }
643
644 static int
645 mdoc_nd_pre(MDOC_ARGS)
646 {
647 struct htmlpair tag;
648
649 if (MDOC_BODY != n->type)
650 return(1);
651
652 /* XXX: this tag in theory can contain block elements. */
653
654 print_text(h, "\\(em");
655 PAIR_CLASS_INIT(&tag, "desc");
656 print_otag(h, TAG_SPAN, 1, &tag);
657 return(1);
658 }
659
660 static int
661 mdoc_nm_pre(MDOC_ARGS)
662 {
663 struct htmlpair tag;
664 struct roffsu su;
665 int len;
666
667 switch (n->type) {
668 case MDOC_ELEM:
669 synopsis_pre(h, n);
670 PAIR_CLASS_INIT(&tag, "name");
671 print_otag(h, TAG_B, 1, &tag);
672 if (NULL == n->child && meta->name)
673 print_text(h, meta->name);
674 return(1);
675 case MDOC_HEAD:
676 print_otag(h, TAG_TD, 0, NULL);
677 if (NULL == n->child && meta->name)
678 print_text(h, meta->name);
679 return(1);
680 case MDOC_BODY:
681 print_otag(h, TAG_TD, 0, NULL);
682 return(1);
683 default:
684 break;
685 }
686
687 synopsis_pre(h, n);
688 PAIR_CLASS_INIT(&tag, "synopsis");
689 print_otag(h, TAG_TABLE, 1, &tag);
690
691 for (len = 0, n = n->child; n; n = n->next)
692 if (MDOC_TEXT == n->type)
693 len += html_strlen(n->string);
694
695 if (0 == len && meta->name)
696 len = html_strlen(meta->name);
697
698 SCALE_HS_INIT(&su, len);
699 bufinit(h);
700 bufcat_su(h, "width", &su);
701 PAIR_STYLE_INIT(&tag, h);
702 print_otag(h, TAG_COL, 1, &tag);
703 print_otag(h, TAG_COL, 0, NULL);
704 print_otag(h, TAG_TBODY, 0, NULL);
705 print_otag(h, TAG_TR, 0, NULL);
706 return(1);
707 }
708
709 static int
710 mdoc_xr_pre(MDOC_ARGS)
711 {
712 struct htmlpair tag[2];
713
714 if (NULL == n->child)
715 return(0);
716
717 PAIR_CLASS_INIT(&tag[0], "link-man");
718
719 if (h->base_man) {
720 buffmt_man(h, n->child->string,
721 n->child->next ?
722 n->child->next->string : NULL);
723 PAIR_HREF_INIT(&tag[1], h->buf);
724 print_otag(h, TAG_A, 2, tag);
725 } else
726 print_otag(h, TAG_A, 1, tag);
727
728 n = n->child;
729 print_text(h, n->string);
730
731 if (NULL == (n = n->next))
732 return(0);
733
734 h->flags |= HTML_NOSPACE;
735 print_text(h, "(");
736 h->flags |= HTML_NOSPACE;
737 print_text(h, n->string);
738 h->flags |= HTML_NOSPACE;
739 print_text(h, ")");
740 return(0);
741 }
742
743 static int
744 mdoc_ns_pre(MDOC_ARGS)
745 {
746
747 if ( ! (MDOC_LINE & n->flags))
748 h->flags |= HTML_NOSPACE;
749 return(1);
750 }
751
752 static int
753 mdoc_ar_pre(MDOC_ARGS)
754 {
755 struct htmlpair tag;
756
757 PAIR_CLASS_INIT(&tag, "arg");
758 print_otag(h, TAG_I, 1, &tag);
759 return(1);
760 }
761
762 static int
763 mdoc_xx_pre(MDOC_ARGS)
764 {
765 const char *pp;
766 struct htmlpair tag;
767 int flags;
768
769 switch (n->tok) {
770 case MDOC_Bsx:
771 pp = "BSD/OS";
772 break;
773 case MDOC_Dx:
774 pp = "DragonFly";
775 break;
776 case MDOC_Fx:
777 pp = "FreeBSD";
778 break;
779 case MDOC_Nx:
780 pp = "NetBSD";
781 break;
782 case MDOC_Ox:
783 pp = "OpenBSD";
784 break;
785 case MDOC_Ux:
786 pp = "UNIX";
787 break;
788 default:
789 return(1);
790 }
791
792 PAIR_CLASS_INIT(&tag, "unix");
793 print_otag(h, TAG_SPAN, 1, &tag);
794
795 print_text(h, pp);
796 if (n->child) {
797 flags = h->flags;
798 h->flags |= HTML_KEEP;
799 print_text(h, n->child->string);
800 h->flags = flags;
801 }
802 return(0);
803 }
804
805 static int
806 mdoc_bx_pre(MDOC_ARGS)
807 {
808 struct htmlpair tag;
809
810 PAIR_CLASS_INIT(&tag, "unix");
811 print_otag(h, TAG_SPAN, 1, &tag);
812
813 if (NULL != (n = n->child)) {
814 print_text(h, n->string);
815 h->flags |= HTML_NOSPACE;
816 print_text(h, "BSD");
817 } else {
818 print_text(h, "BSD");
819 return(0);
820 }
821
822 if (NULL != (n = n->next)) {
823 h->flags |= HTML_NOSPACE;
824 print_text(h, "-");
825 h->flags |= HTML_NOSPACE;
826 print_text(h, n->string);
827 }
828
829 return(0);
830 }
831
832 static int
833 mdoc_it_pre(MDOC_ARGS)
834 {
835 struct roffsu su;
836 enum mdoc_list type;
837 struct htmlpair tag[2];
838 const struct mdoc_node *bl;
839
840 bl = n->parent;
841 while (bl && MDOC_Bl != bl->tok)
842 bl = bl->parent;
843
844 assert(bl);
845
846 type = bl->norm->Bl.type;
847
848 assert(lists[type]);
849 PAIR_CLASS_INIT(&tag[0], lists[type]);
850
851 bufinit(h);
852
853 if (MDOC_HEAD == n->type) {
854 switch (type) {
855 case LIST_bullet:
856 /* FALLTHROUGH */
857 case LIST_dash:
858 /* FALLTHROUGH */
859 case LIST_item:
860 /* FALLTHROUGH */
861 case LIST_hyphen:
862 /* FALLTHROUGH */
863 case LIST_enum:
864 return(0);
865 case LIST_diag:
866 /* FALLTHROUGH */
867 case LIST_hang:
868 /* FALLTHROUGH */
869 case LIST_inset:
870 /* FALLTHROUGH */
871 case LIST_ohang:
872 /* FALLTHROUGH */
873 case LIST_tag:
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_DT, 2, tag);
878 if (LIST_diag != type)
879 break;
880 PAIR_CLASS_INIT(&tag[0], "diag");
881 print_otag(h, TAG_B, 1, tag);
882 break;
883 case LIST_column:
884 break;
885 default:
886 break;
887 }
888 } else if (MDOC_BODY == n->type) {
889 switch (type) {
890 case LIST_bullet:
891 /* FALLTHROUGH */
892 case LIST_hyphen:
893 /* FALLTHROUGH */
894 case LIST_dash:
895 /* FALLTHROUGH */
896 case LIST_enum:
897 /* FALLTHROUGH */
898 case LIST_item:
899 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
900 bufcat_su(h, "margin-top", &su);
901 PAIR_STYLE_INIT(&tag[1], h);
902 print_otag(h, TAG_LI, 2, tag);
903 break;
904 case LIST_diag:
905 /* FALLTHROUGH */
906 case LIST_hang:
907 /* FALLTHROUGH */
908 case LIST_inset:
909 /* FALLTHROUGH */
910 case LIST_ohang:
911 /* FALLTHROUGH */
912 case LIST_tag:
913 if (NULL == bl->norm->Bl.width) {
914 print_otag(h, TAG_DD, 1, tag);
915 break;
916 }
917 a2width(bl->norm->Bl.width, &su);
918 bufcat_su(h, "margin-left", &su);
919 PAIR_STYLE_INIT(&tag[1], h);
920 print_otag(h, TAG_DD, 2, tag);
921 break;
922 case LIST_column:
923 SCALE_VS_INIT(&su, ! bl->norm->Bl.comp);
924 bufcat_su(h, "margin-top", &su);
925 PAIR_STYLE_INIT(&tag[1], h);
926 print_otag(h, TAG_TD, 2, tag);
927 break;
928 default:
929 break;
930 }
931 } else {
932 switch (type) {
933 case LIST_column:
934 print_otag(h, TAG_TR, 1, tag);
935 break;
936 default:
937 break;
938 }
939 }
940
941 return(1);
942 }
943
944 static int
945 mdoc_bl_pre(MDOC_ARGS)
946 {
947 int i;
948 struct htmlpair tag[3];
949 struct roffsu su;
950 char buf[BUFSIZ];
951
952 if (MDOC_BODY == n->type) {
953 if (LIST_column == n->norm->Bl.type)
954 print_otag(h, TAG_TBODY, 0, NULL);
955 return(1);
956 }
957
958 if (MDOC_HEAD == n->type) {
959 if (LIST_column != n->norm->Bl.type)
960 return(0);
961
962 /*
963 * For each column, print out the <COL> tag with our
964 * suggested width. The last column gets min-width, as
965 * in terminal mode it auto-sizes to the width of the
966 * screen and we want to preserve that behaviour.
967 */
968
969 for (i = 0; i < (int)n->norm->Bl.ncols; i++) {
970 bufinit(h);
971 a2width(n->norm->Bl.cols[i], &su);
972 if (i < (int)n->norm->Bl.ncols - 1)
973 bufcat_su(h, "width", &su);
974 else
975 bufcat_su(h, "min-width", &su);
976 PAIR_STYLE_INIT(&tag[0], h);
977 print_otag(h, TAG_COL, 1, tag);
978 }
979
980 return(0);
981 }
982
983 SCALE_VS_INIT(&su, 0);
984 bufinit(h);
985 bufcat_su(h, "margin-top", &su);
986 bufcat_su(h, "margin-bottom", &su);
987 PAIR_STYLE_INIT(&tag[0], h);
988
989 assert(lists[n->norm->Bl.type]);
990 (void)strlcpy(buf, "list ", BUFSIZ);
991 (void)strlcat(buf, lists[n->norm->Bl.type], BUFSIZ);
992 PAIR_INIT(&tag[1], ATTR_CLASS, buf);
993
994 /* Set the block's left-hand margin. */
995
996 if (n->norm->Bl.offs) {
997 a2offs(n->norm->Bl.offs, &su);
998 bufcat_su(h, "margin-left", &su);
999 }
1000
1001 switch (n->norm->Bl.type) {
1002 case LIST_bullet:
1003 /* FALLTHROUGH */
1004 case LIST_dash:
1005 /* FALLTHROUGH */
1006 case LIST_hyphen:
1007 /* FALLTHROUGH */
1008 case LIST_item:
1009 print_otag(h, TAG_UL, 2, tag);
1010 break;
1011 case LIST_enum:
1012 print_otag(h, TAG_OL, 2, tag);
1013 break;
1014 case LIST_diag:
1015 /* FALLTHROUGH */
1016 case LIST_hang:
1017 /* FALLTHROUGH */
1018 case LIST_inset:
1019 /* FALLTHROUGH */
1020 case LIST_ohang:
1021 /* FALLTHROUGH */
1022 case LIST_tag:
1023 print_otag(h, TAG_DL, 2, tag);
1024 break;
1025 case LIST_column:
1026 print_otag(h, TAG_TABLE, 2, tag);
1027 break;
1028 default:
1029 abort();
1030 /* NOTREACHED */
1031 }
1032
1033 return(1);
1034 }
1035
1036 static int
1037 mdoc_ex_pre(MDOC_ARGS)
1038 {
1039 struct tag *t;
1040 struct htmlpair tag;
1041 int nchild;
1042
1043 if (n->prev)
1044 print_otag(h, TAG_BR, 0, NULL);
1045
1046 PAIR_CLASS_INIT(&tag, "utility");
1047
1048 print_text(h, "The");
1049
1050 nchild = n->nchild;
1051 for (n = n->child; n; n = n->next) {
1052 assert(MDOC_TEXT == n->type);
1053
1054 t = print_otag(h, TAG_B, 1, &tag);
1055 print_text(h, n->string);
1056 print_tagq(h, t);
1057
1058 if (nchild > 2 && n->next) {
1059 h->flags |= HTML_NOSPACE;
1060 print_text(h, ",");
1061 }
1062
1063 if (n->next && NULL == n->next->next)
1064 print_text(h, "and");
1065 }
1066
1067 if (nchild > 1)
1068 print_text(h, "utilities exit\\~0");
1069 else
1070 print_text(h, "utility exits\\~0");
1071
1072 print_text(h, "on success, and\\~>0 if an error occurs.");
1073 return(0);
1074 }
1075
1076 static int
1077 mdoc_em_pre(MDOC_ARGS)
1078 {
1079 struct htmlpair tag;
1080
1081 PAIR_CLASS_INIT(&tag, "emph");
1082 print_otag(h, TAG_SPAN, 1, &tag);
1083 return(1);
1084 }
1085
1086 static int
1087 mdoc_d1_pre(MDOC_ARGS)
1088 {
1089 struct htmlpair tag[2];
1090 struct roffsu su;
1091
1092 if (MDOC_BLOCK != n->type)
1093 return(1);
1094
1095 SCALE_VS_INIT(&su, 0);
1096 bufinit(h);
1097 bufcat_su(h, "margin-top", &su);
1098 bufcat_su(h, "margin-bottom", &su);
1099 PAIR_STYLE_INIT(&tag[0], h);
1100 print_otag(h, TAG_BLOCKQUOTE, 1, tag);
1101
1102 /* BLOCKQUOTE needs a block body. */
1103
1104 PAIR_CLASS_INIT(&tag[0], "display");
1105 print_otag(h, TAG_DIV, 1, tag);
1106
1107 if (MDOC_Dl == n->tok) {
1108 PAIR_CLASS_INIT(&tag[0], "lit");
1109 print_otag(h, TAG_CODE, 1, tag);
1110 }
1111
1112 return(1);
1113 }
1114
1115 static int
1116 mdoc_sx_pre(MDOC_ARGS)
1117 {
1118 struct htmlpair tag[2];
1119
1120 bufinit(h);
1121 bufcat(h, "#x");
1122
1123 for (n = n->child; n; ) {
1124 bufcat_id(h, n->string);
1125 if (NULL != (n = n->next))
1126 bufcat_id(h, " ");
1127 }
1128
1129 PAIR_CLASS_INIT(&tag[0], "link-sec");
1130 PAIR_HREF_INIT(&tag[1], h->buf);
1131
1132 print_otag(h, TAG_I, 1, tag);
1133 print_otag(h, TAG_A, 2, tag);
1134 return(1);
1135 }
1136
1137 static int
1138 mdoc_bd_pre(MDOC_ARGS)
1139 {
1140 struct htmlpair tag[2];
1141 int comp, sv;
1142 const struct mdoc_node *nn;
1143 struct roffsu su;
1144
1145 if (MDOC_HEAD == n->type)
1146 return(0);
1147
1148 if (MDOC_BLOCK == n->type) {
1149 comp = n->norm->Bd.comp;
1150 for (nn = n; nn && ! comp; nn = nn->parent) {
1151 if (MDOC_BLOCK != nn->type)
1152 continue;
1153 if (MDOC_Ss == nn->tok || MDOC_Sh == nn->tok)
1154 comp = 1;
1155 if (nn->prev)
1156 break;
1157 }
1158 if ( ! comp)
1159 print_paragraph(h);
1160 return(1);
1161 }
1162
1163 SCALE_HS_INIT(&su, 0);
1164 if (n->norm->Bd.offs)
1165 a2offs(n->norm->Bd.offs, &su);
1166
1167 bufinit(h);
1168 bufcat_su(h, "margin-left", &su);
1169 PAIR_STYLE_INIT(&tag[0], h);
1170
1171 if (DISP_unfilled != n->norm->Bd.type &&
1172 DISP_literal != n->norm->Bd.type) {
1173 PAIR_CLASS_INIT(&tag[1], "display");
1174 print_otag(h, TAG_DIV, 2, tag);
1175 return(1);
1176 }
1177
1178 PAIR_CLASS_INIT(&tag[1], "lit display");
1179 print_otag(h, TAG_PRE, 2, tag);
1180
1181 /* This can be recursive: save & set our literal state. */
1182
1183 sv = h->flags & HTML_LITERAL;
1184 h->flags |= HTML_LITERAL;
1185
1186 for (nn = n->child; nn; nn = nn->next) {
1187 print_mdoc_node(meta, nn, h);
1188 /*
1189 * If the printed node flushes its own line, then we
1190 * needn't do it here as well. This is hacky, but the
1191 * notion of selective eoln whitespace is pretty dumb
1192 * anyway, so don't sweat it.
1193 */
1194 switch (nn->tok) {
1195 case MDOC_Sm:
1196 /* FALLTHROUGH */
1197 case MDOC_br:
1198 /* FALLTHROUGH */
1199 case MDOC_sp:
1200 /* FALLTHROUGH */
1201 case MDOC_Bl:
1202 /* FALLTHROUGH */
1203 case MDOC_D1:
1204 /* FALLTHROUGH */
1205 case MDOC_Dl:
1206 /* FALLTHROUGH */
1207 case MDOC_Lp:
1208 /* FALLTHROUGH */
1209 case MDOC_Pp:
1210 continue;
1211 default:
1212 break;
1213 }
1214 if (nn->next && nn->next->line == nn->line)
1215 continue;
1216 else if (nn->next)
1217 print_text(h, "\n");
1218
1219 h->flags |= HTML_NOSPACE;
1220 }
1221
1222 if (0 == sv)
1223 h->flags &= ~HTML_LITERAL;
1224
1225 return(0);
1226 }
1227
1228 static int
1229 mdoc_pa_pre(MDOC_ARGS)
1230 {
1231 struct htmlpair tag;
1232
1233 PAIR_CLASS_INIT(&tag, "file");
1234 print_otag(h, TAG_I, 1, &tag);
1235 return(1);
1236 }
1237
1238 static int
1239 mdoc_ad_pre(MDOC_ARGS)
1240 {
1241 struct htmlpair tag;
1242
1243 PAIR_CLASS_INIT(&tag, "addr");
1244 print_otag(h, TAG_I, 1, &tag);
1245 return(1);
1246 }
1247
1248 static int
1249 mdoc_an_pre(MDOC_ARGS)
1250 {
1251 struct htmlpair tag;
1252
1253 if (n->norm->An.auth == AUTH_split) {
1254 h->flags &= ~HTML_NOSPLIT;
1255 h->flags |= HTML_SPLIT;
1256 return(0);
1257 }
1258 if (n->norm->An.auth == AUTH_nosplit) {
1259 h->flags &= ~HTML_SPLIT;
1260 h->flags |= HTML_NOSPLIT;
1261 return(0);
1262 }
1263
1264 if (n->child == NULL)
1265 return(0);
1266
1267 if (h->flags & HTML_SPLIT)
1268 print_otag(h, TAG_BR, 0, NULL);
1269
1270 if (n->sec == SEC_AUTHORS && ! (h->flags & HTML_NOSPLIT))
1271 h->flags |= HTML_SPLIT;
1272
1273 PAIR_CLASS_INIT(&tag, "author");
1274 print_otag(h, TAG_SPAN, 1, &tag);
1275 return(1);
1276 }
1277
1278 static int
1279 mdoc_cd_pre(MDOC_ARGS)
1280 {
1281 struct htmlpair tag;
1282
1283 synopsis_pre(h, n);
1284 PAIR_CLASS_INIT(&tag, "config");
1285 print_otag(h, TAG_B, 1, &tag);
1286 return(1);
1287 }
1288
1289 static int
1290 mdoc_dv_pre(MDOC_ARGS)
1291 {
1292 struct htmlpair tag;
1293
1294 PAIR_CLASS_INIT(&tag, "define");
1295 print_otag(h, TAG_SPAN, 1, &tag);
1296 return(1);
1297 }
1298
1299 static int
1300 mdoc_ev_pre(MDOC_ARGS)
1301 {
1302 struct htmlpair tag;
1303
1304 PAIR_CLASS_INIT(&tag, "env");
1305 print_otag(h, TAG_SPAN, 1, &tag);
1306 return(1);
1307 }
1308
1309 static int
1310 mdoc_er_pre(MDOC_ARGS)
1311 {
1312 struct htmlpair tag;
1313
1314 PAIR_CLASS_INIT(&tag, "errno");
1315 print_otag(h, TAG_SPAN, 1, &tag);
1316 return(1);
1317 }
1318
1319 static int
1320 mdoc_fa_pre(MDOC_ARGS)
1321 {
1322 const struct mdoc_node *nn;
1323 struct htmlpair tag;
1324 struct tag *t;
1325
1326 PAIR_CLASS_INIT(&tag, "farg");
1327 if (n->parent->tok != MDOC_Fo) {
1328 print_otag(h, TAG_I, 1, &tag);
1329 return(1);
1330 }
1331
1332 for (nn = n->child; nn; nn = nn->next) {
1333 t = print_otag(h, TAG_I, 1, &tag);
1334 print_text(h, nn->string);
1335 print_tagq(h, t);
1336 if (nn->next) {
1337 h->flags |= HTML_NOSPACE;
1338 print_text(h, ",");
1339 }
1340 }
1341
1342 if (n->child && n->next && n->next->tok == MDOC_Fa) {
1343 h->flags |= HTML_NOSPACE;
1344 print_text(h, ",");
1345 }
1346
1347 return(0);
1348 }
1349
1350 static int
1351 mdoc_fd_pre(MDOC_ARGS)
1352 {
1353 struct htmlpair tag[2];
1354 char buf[BUFSIZ];
1355 size_t sz;
1356 int i;
1357 struct tag *t;
1358
1359 synopsis_pre(h, n);
1360
1361 if (NULL == (n = n->child))
1362 return(0);
1363
1364 assert(MDOC_TEXT == n->type);
1365
1366 if (strcmp(n->string, "#include")) {
1367 PAIR_CLASS_INIT(&tag[0], "macro");
1368 print_otag(h, TAG_B, 1, tag);
1369 return(1);
1370 }
1371
1372 PAIR_CLASS_INIT(&tag[0], "includes");
1373 print_otag(h, TAG_B, 1, tag);
1374 print_text(h, n->string);
1375
1376 if (NULL != (n = n->next)) {
1377 assert(MDOC_TEXT == n->type);
1378
1379 /*
1380 * XXX This is broken and not easy to fix.
1381 * When using -Oincludes, truncation may occur.
1382 * Dynamic allocation wouldn't help because
1383 * passing long strings to buffmt_includes()
1384 * does not work either.
1385 */
1386
1387 strlcpy(buf, '<' == *n->string || '"' == *n->string ?
1388 n->string + 1 : n->string, BUFSIZ);
1389
1390 sz = strlen(buf);
1391 if (sz && ('>' == buf[sz - 1] || '"' == buf[sz - 1]))
1392 buf[sz - 1] = '\0';
1393
1394 PAIR_CLASS_INIT(&tag[0], "link-includes");
1395
1396 i = 1;
1397 if (h->base_includes) {
1398 buffmt_includes(h, buf);
1399 PAIR_HREF_INIT(&tag[i], h->buf);
1400 i++;
1401 }
1402
1403 t = print_otag(h, TAG_A, i, tag);
1404 print_text(h, n->string);
1405 print_tagq(h, t);
1406
1407 n = n->next;
1408 }
1409
1410 for ( ; n; n = n->next) {
1411 assert(MDOC_TEXT == n->type);
1412 print_text(h, n->string);
1413 }
1414
1415 return(0);
1416 }
1417
1418 static int
1419 mdoc_vt_pre(MDOC_ARGS)
1420 {
1421 struct htmlpair tag;
1422
1423 if (MDOC_BLOCK == n->type) {
1424 synopsis_pre(h, n);
1425 return(1);
1426 } else if (MDOC_ELEM == n->type) {
1427 synopsis_pre(h, n);
1428 } else if (MDOC_HEAD == n->type)
1429 return(0);
1430
1431 PAIR_CLASS_INIT(&tag, "type");
1432 print_otag(h, TAG_SPAN, 1, &tag);
1433 return(1);
1434 }
1435
1436 static int
1437 mdoc_ft_pre(MDOC_ARGS)
1438 {
1439 struct htmlpair tag;
1440
1441 synopsis_pre(h, n);
1442 PAIR_CLASS_INIT(&tag, "ftype");
1443 print_otag(h, TAG_I, 1, &tag);
1444 return(1);
1445 }
1446
1447 static int
1448 mdoc_fn_pre(MDOC_ARGS)
1449 {
1450 struct tag *t;
1451 struct htmlpair tag[2];
1452 char nbuf[BUFSIZ];
1453 const char *sp, *ep;
1454 int sz, i, pretty;
1455
1456 pretty = MDOC_SYNPRETTY & n->flags;
1457 synopsis_pre(h, n);
1458
1459 /* Split apart into type and name. */
1460 assert(n->child->string);
1461 sp = n->child->string;
1462
1463 ep = strchr(sp, ' ');
1464 if (NULL != ep) {
1465 PAIR_CLASS_INIT(&tag[0], "ftype");
1466 t = print_otag(h, TAG_I, 1, tag);
1467
1468 while (ep) {
1469 sz = MIN((int)(ep - sp), BUFSIZ - 1);
1470 (void)memcpy(nbuf, sp, (size_t)sz);
1471 nbuf[sz] = '\0';
1472 print_text(h, nbuf);
1473 sp = ++ep;
1474 ep = strchr(sp, ' ');
1475 }
1476 print_tagq(h, t);
1477 }
1478
1479 PAIR_CLASS_INIT(&tag[0], "fname");
1480
1481 /*
1482 * FIXME: only refer to IDs that we know exist.
1483 */
1484
1485 #if 0
1486 if (MDOC_SYNPRETTY & n->flags) {
1487 nbuf[0] = '\0';
1488 html_idcat(nbuf, sp, BUFSIZ);
1489 PAIR_ID_INIT(&tag[1], nbuf);
1490 } else {
1491 strlcpy(nbuf, "#", BUFSIZ);
1492 html_idcat(nbuf, sp, BUFSIZ);
1493 PAIR_HREF_INIT(&tag[1], nbuf);
1494 }
1495 #endif
1496
1497 t = print_otag(h, TAG_B, 1, tag);
1498
1499 if (sp)
1500 print_text(h, sp);
1501
1502 print_tagq(h, t);
1503
1504 h->flags |= HTML_NOSPACE;
1505 print_text(h, "(");
1506 h->flags |= HTML_NOSPACE;
1507
1508 PAIR_CLASS_INIT(&tag[0], "farg");
1509 bufinit(h);
1510 bufcat_style(h, "white-space", "nowrap");
1511 PAIR_STYLE_INIT(&tag[1], h);
1512
1513 for (n = n->child->next; n; n = n->next) {
1514 i = 1;
1515 if (MDOC_SYNPRETTY & n->flags)
1516 i = 2;
1517 t = print_otag(h, TAG_I, i, tag);
1518 print_text(h, n->string);
1519 print_tagq(h, t);
1520 if (n->next) {
1521 h->flags |= HTML_NOSPACE;
1522 print_text(h, ",");
1523 }
1524 }
1525
1526 h->flags |= HTML_NOSPACE;
1527 print_text(h, ")");
1528
1529 if (pretty) {
1530 h->flags |= HTML_NOSPACE;
1531 print_text(h, ";");
1532 }
1533
1534 return(0);
1535 }
1536
1537 static int
1538 mdoc_sm_pre(MDOC_ARGS)
1539 {
1540
1541 if (NULL == n->child)
1542 h->flags ^= HTML_NONOSPACE;
1543 else if (0 == strcmp("on", n->child->string))
1544 h->flags &= ~HTML_NONOSPACE;
1545 else
1546 h->flags |= HTML_NONOSPACE;
1547
1548 if ( ! (HTML_NONOSPACE & h->flags))
1549 h->flags &= ~HTML_NOSPACE;
1550
1551 return(0);
1552 }
1553
1554 static int
1555 mdoc_skip_pre(MDOC_ARGS)
1556 {
1557
1558 return(0);
1559 }
1560
1561 static int
1562 mdoc_pp_pre(MDOC_ARGS)
1563 {
1564
1565 print_paragraph(h);
1566 return(0);
1567 }
1568
1569 static int
1570 mdoc_sp_pre(MDOC_ARGS)
1571 {
1572 struct roffsu su;
1573 struct htmlpair tag;
1574
1575 SCALE_VS_INIT(&su, 1);
1576
1577 if (MDOC_sp == n->tok) {
1578 if (NULL != (n = n->child))
1579 if ( ! a2roffsu(n->string, &su, SCALE_VS))
1580 SCALE_VS_INIT(&su, atoi(n->string));
1581 } else
1582 su.scale = 0.0;
1583
1584 bufinit(h);
1585 bufcat_su(h, "height", &su);
1586 PAIR_STYLE_INIT(&tag, h);
1587 print_otag(h, TAG_DIV, 1, &tag);
1588
1589 /* So the div isn't empty: */
1590 print_text(h, "\\~");
1591
1592 return(0);
1593
1594 }
1595
1596 static int
1597 mdoc_lk_pre(MDOC_ARGS)
1598 {
1599 struct htmlpair tag[2];
1600
1601 if (NULL == (n = n->child))
1602 return(0);
1603
1604 assert(MDOC_TEXT == n->type);
1605
1606 PAIR_CLASS_INIT(&tag[0], "link-ext");
1607 PAIR_HREF_INIT(&tag[1], n->string);
1608
1609 print_otag(h, TAG_A, 2, tag);
1610
1611 if (NULL == n->next)
1612 print_text(h, n->string);
1613
1614 for (n = n->next; n; n = n->next)
1615 print_text(h, n->string);
1616
1617 return(0);
1618 }
1619
1620 static int
1621 mdoc_mt_pre(MDOC_ARGS)
1622 {
1623 struct htmlpair tag[2];
1624 struct tag *t;
1625
1626 PAIR_CLASS_INIT(&tag[0], "link-mail");
1627
1628 for (n = n->child; n; n = n->next) {
1629 assert(MDOC_TEXT == n->type);
1630
1631 bufinit(h);
1632 bufcat(h, "mailto:");
1633 bufcat(h, n->string);
1634
1635 PAIR_HREF_INIT(&tag[1], h->buf);
1636 t = print_otag(h, TAG_A, 2, tag);
1637 print_text(h, n->string);
1638 print_tagq(h, t);
1639 }
1640
1641 return(0);
1642 }
1643
1644 static int
1645 mdoc_fo_pre(MDOC_ARGS)
1646 {
1647 struct htmlpair tag;
1648 struct tag *t;
1649
1650 if (MDOC_BODY == n->type) {
1651 h->flags |= HTML_NOSPACE;
1652 print_text(h, "(");
1653 h->flags |= HTML_NOSPACE;
1654 return(1);
1655 } else if (MDOC_BLOCK == n->type) {
1656 synopsis_pre(h, n);
1657 return(1);
1658 }
1659
1660 /* XXX: we drop non-initial arguments as per groff. */
1661
1662 assert(n->child);
1663 assert(n->child->string);
1664
1665 PAIR_CLASS_INIT(&tag, "fname");
1666 t = print_otag(h, TAG_B, 1, &tag);
1667 print_text(h, n->child->string);
1668 print_tagq(h, t);
1669 return(0);
1670 }
1671
1672 static void
1673 mdoc_fo_post(MDOC_ARGS)
1674 {
1675
1676 if (MDOC_BODY != n->type)
1677 return;
1678 h->flags |= HTML_NOSPACE;
1679 print_text(h, ")");
1680 h->flags |= HTML_NOSPACE;
1681 print_text(h, ";");
1682 }
1683
1684 static int
1685 mdoc_in_pre(MDOC_ARGS)
1686 {
1687 struct tag *t;
1688 struct htmlpair tag[2];
1689 int i;
1690
1691 synopsis_pre(h, n);
1692
1693 PAIR_CLASS_INIT(&tag[0], "includes");
1694 print_otag(h, TAG_B, 1, tag);
1695
1696 /*
1697 * The first argument of the `In' gets special treatment as
1698 * being a linked value. Subsequent values are printed
1699 * afterward. groff does similarly. This also handles the case
1700 * of no children.
1701 */
1702
1703 if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags)
1704 print_text(h, "#include");
1705
1706 print_text(h, "<");
1707 h->flags |= HTML_NOSPACE;
1708
1709 if (NULL != (n = n->child)) {
1710 assert(MDOC_TEXT == n->type);
1711
1712 PAIR_CLASS_INIT(&tag[0], "link-includes");
1713
1714 i = 1;
1715 if (h->base_includes) {
1716 buffmt_includes(h, n->string);
1717 PAIR_HREF_INIT(&tag[i], h->buf);
1718 i++;
1719 }
1720
1721 t = print_otag(h, TAG_A, i, tag);
1722 print_text(h, n->string);
1723 print_tagq(h, t);
1724
1725 n = n->next;
1726 }
1727
1728 h->flags |= HTML_NOSPACE;
1729 print_text(h, ">");
1730
1731 for ( ; n; n = n->next) {
1732 assert(MDOC_TEXT == n->type);
1733 print_text(h, n->string);
1734 }
1735
1736 return(0);
1737 }
1738
1739 static int
1740 mdoc_ic_pre(MDOC_ARGS)
1741 {
1742 struct htmlpair tag;
1743
1744 PAIR_CLASS_INIT(&tag, "cmd");
1745 print_otag(h, TAG_B, 1, &tag);
1746 return(1);
1747 }
1748
1749 static int
1750 mdoc_rv_pre(MDOC_ARGS)
1751 {
1752 struct htmlpair tag;
1753 struct tag *t;
1754 int nchild;
1755
1756 if (n->prev)
1757 print_otag(h, TAG_BR, 0, NULL);
1758
1759 PAIR_CLASS_INIT(&tag, "fname");
1760
1761 nchild = n->nchild;
1762 if (nchild > 0) {
1763 print_text(h, "The");
1764
1765 for (n = n->child; n; n = n->next) {
1766 t = print_otag(h, TAG_B, 1, &tag);
1767 print_text(h, n->string);
1768 print_tagq(h, t);
1769
1770 h->flags |= HTML_NOSPACE;
1771 print_text(h, "()");
1772
1773 if (n->next == NULL)
1774 continue;
1775
1776 if (nchild > 2) {
1777 h->flags |= HTML_NOSPACE;
1778 print_text(h, ",");
1779 }
1780 if (n->next->next == NULL)
1781 print_text(h, "and");
1782 }
1783
1784 if (nchild > 1)
1785 print_text(h, "functions return");
1786 else
1787 print_text(h, "function returns");
1788
1789 print_text(h, "the value\\~0 if successful;");
1790 } else
1791 print_text(h, "Upon successful completion,"
1792 " the value\\~0 is returned;");
1793
1794 print_text(h, "otherwise the value\\~\\-1 is returned"
1795 " and the global variable");
1796
1797 PAIR_CLASS_INIT(&tag, "var");
1798 t = print_otag(h, TAG_B, 1, &tag);
1799 print_text(h, "errno");
1800 print_tagq(h, t);
1801 print_text(h, "is set to indicate the error.");
1802 return(0);
1803 }
1804
1805 static int
1806 mdoc_va_pre(MDOC_ARGS)
1807 {
1808 struct htmlpair tag;
1809
1810 PAIR_CLASS_INIT(&tag, "var");
1811 print_otag(h, TAG_B, 1, &tag);
1812 return(1);
1813 }
1814
1815 static int
1816 mdoc_ap_pre(MDOC_ARGS)
1817 {
1818
1819 h->flags |= HTML_NOSPACE;
1820 print_text(h, "\\(aq");
1821 h->flags |= HTML_NOSPACE;
1822 return(1);
1823 }
1824
1825 static int
1826 mdoc_bf_pre(MDOC_ARGS)
1827 {
1828 struct htmlpair tag[2];
1829 struct roffsu su;
1830
1831 if (MDOC_HEAD == n->type)
1832 return(0);
1833 else if (MDOC_BODY != n->type)
1834 return(1);
1835
1836 if (FONT_Em == n->norm->Bf.font)
1837 PAIR_CLASS_INIT(&tag[0], "emph");
1838 else if (FONT_Sy == n->norm->Bf.font)
1839 PAIR_CLASS_INIT(&tag[0], "symb");
1840 else if (FONT_Li == n->norm->Bf.font)
1841 PAIR_CLASS_INIT(&tag[0], "lit");
1842 else
1843 PAIR_CLASS_INIT(&tag[0], "none");
1844
1845 /*
1846 * We want this to be inline-formatted, but needs to be div to
1847 * accept block children.
1848 */
1849 bufinit(h);
1850 bufcat_style(h, "display", "inline");
1851 SCALE_HS_INIT(&su, 1);
1852 /* Needs a left-margin for spacing. */
1853 bufcat_su(h, "margin-left", &su);
1854 PAIR_STYLE_INIT(&tag[1], h);
1855 print_otag(h, TAG_DIV, 2, tag);
1856 return(1);
1857 }
1858
1859 static int
1860 mdoc_ms_pre(MDOC_ARGS)
1861 {
1862 struct htmlpair tag;
1863
1864 PAIR_CLASS_INIT(&tag, "symb");
1865 print_otag(h, TAG_SPAN, 1, &tag);
1866 return(1);
1867 }
1868
1869 static int
1870 mdoc_igndelim_pre(MDOC_ARGS)
1871 {
1872
1873 h->flags |= HTML_IGNDELIM;
1874 return(1);
1875 }
1876
1877 static void
1878 mdoc_pf_post(MDOC_ARGS)
1879 {
1880
1881 h->flags |= HTML_NOSPACE;
1882 }
1883
1884 static int
1885 mdoc_rs_pre(MDOC_ARGS)
1886 {
1887 struct htmlpair tag;
1888
1889 if (MDOC_BLOCK != n->type)
1890 return(1);
1891
1892 if (n->prev && SEC_SEE_ALSO == n->sec)
1893 print_paragraph(h);
1894
1895 PAIR_CLASS_INIT(&tag, "ref");
1896 print_otag(h, TAG_SPAN, 1, &tag);
1897 return(1);
1898 }
1899
1900 static int
1901 mdoc_li_pre(MDOC_ARGS)
1902 {
1903 struct htmlpair tag;
1904
1905 PAIR_CLASS_INIT(&tag, "lit");
1906 print_otag(h, TAG_CODE, 1, &tag);
1907 return(1);
1908 }
1909
1910 static int
1911 mdoc_sy_pre(MDOC_ARGS)
1912 {
1913 struct htmlpair tag;
1914
1915 PAIR_CLASS_INIT(&tag, "symb");
1916 print_otag(h, TAG_SPAN, 1, &tag);
1917 return(1);
1918 }
1919
1920 static int
1921 mdoc_bt_pre(MDOC_ARGS)
1922 {
1923
1924 print_text(h, "is currently in beta test.");
1925 return(0);
1926 }
1927
1928 static int
1929 mdoc_ud_pre(MDOC_ARGS)
1930 {
1931
1932 print_text(h, "currently under development.");
1933 return(0);
1934 }
1935
1936 static int
1937 mdoc_lb_pre(MDOC_ARGS)
1938 {
1939 struct htmlpair tag;
1940
1941 if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags && n->prev)
1942 print_otag(h, TAG_BR, 0, NULL);
1943
1944 PAIR_CLASS_INIT(&tag, "lib");
1945 print_otag(h, TAG_SPAN, 1, &tag);
1946 return(1);
1947 }
1948
1949 static int
1950 mdoc__x_pre(MDOC_ARGS)
1951 {
1952 struct htmlpair tag[2];
1953 enum htmltag t;
1954
1955 t = TAG_SPAN;
1956
1957 switch (n->tok) {
1958 case MDOC__A:
1959 PAIR_CLASS_INIT(&tag[0], "ref-auth");
1960 if (n->prev && MDOC__A == n->prev->tok)
1961 if (NULL == n->next || MDOC__A != n->next->tok)
1962 print_text(h, "and");
1963 break;
1964 case MDOC__B:
1965 PAIR_CLASS_INIT(&tag[0], "ref-book");
1966 t = TAG_I;
1967 break;
1968 case MDOC__C:
1969 PAIR_CLASS_INIT(&tag[0], "ref-city");
1970 break;
1971 case MDOC__D:
1972 PAIR_CLASS_INIT(&tag[0], "ref-date");
1973 break;
1974 case MDOC__I:
1975 PAIR_CLASS_INIT(&tag[0], "ref-issue");
1976 t = TAG_I;
1977 break;
1978 case MDOC__J:
1979 PAIR_CLASS_INIT(&tag[0], "ref-jrnl");
1980 t = TAG_I;
1981 break;
1982 case MDOC__N:
1983 PAIR_CLASS_INIT(&tag[0], "ref-num");
1984 break;
1985 case MDOC__O:
1986 PAIR_CLASS_INIT(&tag[0], "ref-opt");
1987 break;
1988 case MDOC__P:
1989 PAIR_CLASS_INIT(&tag[0], "ref-page");
1990 break;
1991 case MDOC__Q:
1992 PAIR_CLASS_INIT(&tag[0], "ref-corp");
1993 break;
1994 case MDOC__R:
1995 PAIR_CLASS_INIT(&tag[0], "ref-rep");
1996 break;
1997 case MDOC__T:
1998 PAIR_CLASS_INIT(&tag[0], "ref-title");
1999 break;
2000 case MDOC__U:
2001 PAIR_CLASS_INIT(&tag[0], "link-ref");
2002 break;
2003 case MDOC__V:
2004 PAIR_CLASS_INIT(&tag[0], "ref-vol");
2005 break;
2006 default:
2007 abort();
2008 /* NOTREACHED */
2009 }
2010
2011 if (MDOC__U != n->tok) {
2012 print_otag(h, t, 1, tag);
2013 return(1);
2014 }
2015
2016 PAIR_HREF_INIT(&tag[1], n->child->string);
2017 print_otag(h, TAG_A, 2, tag);
2018
2019 return(1);
2020 }
2021
2022 static void
2023 mdoc__x_post(MDOC_ARGS)
2024 {
2025
2026 if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2027 if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2028 if (NULL == n->prev || MDOC__A != n->prev->tok)
2029 return;
2030
2031 /* TODO: %U */
2032
2033 if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2034 return;
2035
2036 h->flags |= HTML_NOSPACE;
2037 print_text(h, n->next ? "," : ".");
2038 }
2039
2040 static int
2041 mdoc_bk_pre(MDOC_ARGS)
2042 {
2043
2044 switch (n->type) {
2045 case MDOC_BLOCK:
2046 break;
2047 case MDOC_HEAD:
2048 return(0);
2049 case MDOC_BODY:
2050 if (n->parent->args || 0 == n->prev->nchild)
2051 h->flags |= HTML_PREKEEP;
2052 break;
2053 default:
2054 abort();
2055 /* NOTREACHED */
2056 }
2057
2058 return(1);
2059 }
2060
2061 static void
2062 mdoc_bk_post(MDOC_ARGS)
2063 {
2064
2065 if (MDOC_BODY == n->type)
2066 h->flags &= ~(HTML_KEEP | HTML_PREKEEP);
2067 }
2068
2069 static int
2070 mdoc_quote_pre(MDOC_ARGS)
2071 {
2072 struct htmlpair tag;
2073
2074 if (MDOC_BODY != n->type)
2075 return(1);
2076
2077 switch (n->tok) {
2078 case MDOC_Ao:
2079 /* FALLTHROUGH */
2080 case MDOC_Aq:
2081 print_text(h, "\\(la");
2082 break;
2083 case MDOC_Bro:
2084 /* FALLTHROUGH */
2085 case MDOC_Brq:
2086 print_text(h, "\\(lC");
2087 break;
2088 case MDOC_Bo:
2089 /* FALLTHROUGH */
2090 case MDOC_Bq:
2091 print_text(h, "\\(lB");
2092 break;
2093 case MDOC_Oo:
2094 /* FALLTHROUGH */
2095 case MDOC_Op:
2096 print_text(h, "\\(lB");
2097 h->flags |= HTML_NOSPACE;
2098 PAIR_CLASS_INIT(&tag, "opt");
2099 print_otag(h, TAG_SPAN, 1, &tag);
2100 break;
2101 case MDOC_En:
2102 if (NULL == n->norm->Es ||
2103 NULL == n->norm->Es->child)
2104 return(1);
2105 print_text(h, n->norm->Es->child->string);
2106 break;
2107 case MDOC_Eo:
2108 break;
2109 case MDOC_Do:
2110 /* FALLTHROUGH */
2111 case MDOC_Dq:
2112 /* FALLTHROUGH */
2113 case MDOC_Qo:
2114 /* FALLTHROUGH */
2115 case MDOC_Qq:
2116 print_text(h, "\\(lq");
2117 break;
2118 case MDOC_Po:
2119 /* FALLTHROUGH */
2120 case MDOC_Pq:
2121 print_text(h, "(");
2122 break;
2123 case MDOC_Ql:
2124 print_text(h, "\\(oq");
2125 h->flags |= HTML_NOSPACE;
2126 PAIR_CLASS_INIT(&tag, "lit");
2127 print_otag(h, TAG_CODE, 1, &tag);
2128 break;
2129 case MDOC_So:
2130 /* FALLTHROUGH */
2131 case MDOC_Sq:
2132 print_text(h, "\\(oq");
2133 break;
2134 default:
2135 abort();
2136 /* NOTREACHED */
2137 }
2138
2139 h->flags |= HTML_NOSPACE;
2140 return(1);
2141 }
2142
2143 static void
2144 mdoc_quote_post(MDOC_ARGS)
2145 {
2146
2147 if (MDOC_BODY != n->type)
2148 return;
2149
2150 if (MDOC_En != n->tok)
2151 h->flags |= HTML_NOSPACE;
2152
2153 switch (n->tok) {
2154 case MDOC_Ao:
2155 /* FALLTHROUGH */
2156 case MDOC_Aq:
2157 print_text(h, "\\(ra");
2158 break;
2159 case MDOC_Bro:
2160 /* FALLTHROUGH */
2161 case MDOC_Brq:
2162 print_text(h, "\\(rC");
2163 break;
2164 case MDOC_Oo:
2165 /* FALLTHROUGH */
2166 case MDOC_Op:
2167 /* FALLTHROUGH */
2168 case MDOC_Bo:
2169 /* FALLTHROUGH */
2170 case MDOC_Bq:
2171 print_text(h, "\\(rB");
2172 break;
2173 case MDOC_En:
2174 if (NULL != n->norm->Es &&
2175 NULL != n->norm->Es->child &&
2176 NULL != n->norm->Es->child->next) {
2177 h->flags |= HTML_NOSPACE;
2178 print_text(h, n->norm->Es->child->next->string);
2179 }
2180 break;
2181 case MDOC_Eo:
2182 break;
2183 case MDOC_Qo:
2184 /* FALLTHROUGH */
2185 case MDOC_Qq:
2186 /* FALLTHROUGH */
2187 case MDOC_Do:
2188 /* FALLTHROUGH */
2189 case MDOC_Dq:
2190 print_text(h, "\\(rq");
2191 break;
2192 case MDOC_Po:
2193 /* FALLTHROUGH */
2194 case MDOC_Pq:
2195 print_text(h, ")");
2196 break;
2197 case MDOC_Ql:
2198 /* FALLTHROUGH */
2199 case MDOC_So:
2200 /* FALLTHROUGH */
2201 case MDOC_Sq:
2202 print_text(h, "\\(cq");
2203 break;
2204 default:
2205 abort();
2206 /* NOTREACHED */
2207 }
2208 }
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