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Added enum mdoc_disp (similar to enum mdoc_list). Display types are now
[mandoc.git] / mdoc_html.c
1 /* $Id: mdoc_html.c,v 1.79 2010/06/12 10:09:19 kristaps Exp $ */
2 /*
3 * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17 #ifdef HAVE_CONFIG_H
18 #include "config.h"
19 #endif
20
21 #include <sys/types.h>
22
23 #include <assert.h>
24 #include <ctype.h>
25 #include <stdio.h>
26 #include <stdlib.h>
27 #include <string.h>
28 #include <unistd.h>
29
30 #include "mandoc.h"
31 #include "out.h"
32 #include "html.h"
33 #include "mdoc.h"
34 #include "main.h"
35
36 #define INDENT 5
37 #define HALFINDENT 3
38
39 #define MDOC_ARGS const struct mdoc_meta *m, \
40 const struct mdoc_node *n, \
41 struct html *h
42
43 #ifndef MIN
44 #define MIN(a,b) ((/*CONSTCOND*/(a)<(b))?(a):(b))
45 #endif
46
47 struct htmlmdoc {
48 int (*pre)(MDOC_ARGS);
49 void (*post)(MDOC_ARGS);
50 };
51
52 static void print_mdoc(MDOC_ARGS);
53 static void print_mdoc_head(MDOC_ARGS);
54 static void print_mdoc_node(MDOC_ARGS);
55 static void print_mdoc_nodelist(MDOC_ARGS);
56 static void synopsis_pre(struct html *,
57 const struct mdoc_node *);
58
59 static void a2width(const char *, struct roffsu *);
60 static void a2offs(const char *, struct roffsu *);
61
62 static void mdoc_root_post(MDOC_ARGS);
63 static int mdoc_root_pre(MDOC_ARGS);
64
65 static void mdoc__x_post(MDOC_ARGS);
66 static int mdoc__x_pre(MDOC_ARGS);
67 static int mdoc_ad_pre(MDOC_ARGS);
68 static int mdoc_an_pre(MDOC_ARGS);
69 static int mdoc_ap_pre(MDOC_ARGS);
70 static void mdoc_aq_post(MDOC_ARGS);
71 static int mdoc_aq_pre(MDOC_ARGS);
72 static int mdoc_ar_pre(MDOC_ARGS);
73 static int mdoc_bd_pre(MDOC_ARGS);
74 static int mdoc_bf_pre(MDOC_ARGS);
75 static void mdoc_bl_post(MDOC_ARGS);
76 static int mdoc_bl_pre(MDOC_ARGS);
77 static void mdoc_bq_post(MDOC_ARGS);
78 static int mdoc_bq_pre(MDOC_ARGS);
79 static void mdoc_brq_post(MDOC_ARGS);
80 static int mdoc_brq_pre(MDOC_ARGS);
81 static int mdoc_bt_pre(MDOC_ARGS);
82 static int mdoc_bx_pre(MDOC_ARGS);
83 static int mdoc_cd_pre(MDOC_ARGS);
84 static int mdoc_d1_pre(MDOC_ARGS);
85 static void mdoc_dq_post(MDOC_ARGS);
86 static int mdoc_dq_pre(MDOC_ARGS);
87 static int mdoc_dv_pre(MDOC_ARGS);
88 static int mdoc_fa_pre(MDOC_ARGS);
89 static int mdoc_fd_pre(MDOC_ARGS);
90 static int mdoc_fl_pre(MDOC_ARGS);
91 static int mdoc_fn_pre(MDOC_ARGS);
92 static int mdoc_ft_pre(MDOC_ARGS);
93 static int mdoc_em_pre(MDOC_ARGS);
94 static int mdoc_er_pre(MDOC_ARGS);
95 static int mdoc_ev_pre(MDOC_ARGS);
96 static int mdoc_ex_pre(MDOC_ARGS);
97 static void mdoc_fo_post(MDOC_ARGS);
98 static int mdoc_fo_pre(MDOC_ARGS);
99 static int mdoc_ic_pre(MDOC_ARGS);
100 static int mdoc_in_pre(MDOC_ARGS);
101 static int mdoc_it_block_pre(MDOC_ARGS, enum mdoc_list,
102 int, struct roffsu *, struct roffsu *);
103 static int mdoc_it_head_pre(MDOC_ARGS, enum mdoc_list,
104 struct roffsu *);
105 static int mdoc_it_body_pre(MDOC_ARGS, enum mdoc_list,
106 struct roffsu *);
107 static int mdoc_it_pre(MDOC_ARGS);
108 static int mdoc_lb_pre(MDOC_ARGS);
109 static int mdoc_li_pre(MDOC_ARGS);
110 static int mdoc_lk_pre(MDOC_ARGS);
111 static int mdoc_mt_pre(MDOC_ARGS);
112 static int mdoc_ms_pre(MDOC_ARGS);
113 static int mdoc_nd_pre(MDOC_ARGS);
114 static int mdoc_nm_pre(MDOC_ARGS);
115 static int mdoc_ns_pre(MDOC_ARGS);
116 static void mdoc_op_post(MDOC_ARGS);
117 static int mdoc_op_pre(MDOC_ARGS);
118 static int mdoc_pa_pre(MDOC_ARGS);
119 static void mdoc_pf_post(MDOC_ARGS);
120 static int mdoc_pf_pre(MDOC_ARGS);
121 static void mdoc_pq_post(MDOC_ARGS);
122 static int mdoc_pq_pre(MDOC_ARGS);
123 static int mdoc_rs_pre(MDOC_ARGS);
124 static int mdoc_rv_pre(MDOC_ARGS);
125 static int mdoc_sh_pre(MDOC_ARGS);
126 static int mdoc_sp_pre(MDOC_ARGS);
127 static void mdoc_sq_post(MDOC_ARGS);
128 static int mdoc_sq_pre(MDOC_ARGS);
129 static int mdoc_ss_pre(MDOC_ARGS);
130 static int mdoc_sx_pre(MDOC_ARGS);
131 static int mdoc_sy_pre(MDOC_ARGS);
132 static int mdoc_ud_pre(MDOC_ARGS);
133 static int mdoc_va_pre(MDOC_ARGS);
134 static int mdoc_vt_pre(MDOC_ARGS);
135 static int mdoc_xr_pre(MDOC_ARGS);
136 static int mdoc_xx_pre(MDOC_ARGS);
137
138 static const struct htmlmdoc mdocs[MDOC_MAX] = {
139 {mdoc_ap_pre, NULL}, /* Ap */
140 {NULL, NULL}, /* Dd */
141 {NULL, NULL}, /* Dt */
142 {NULL, NULL}, /* Os */
143 {mdoc_sh_pre, NULL }, /* Sh */
144 {mdoc_ss_pre, NULL }, /* Ss */
145 {mdoc_sp_pre, NULL}, /* Pp */
146 {mdoc_d1_pre, NULL}, /* D1 */
147 {mdoc_d1_pre, NULL}, /* Dl */
148 {mdoc_bd_pre, NULL}, /* Bd */
149 {NULL, NULL}, /* Ed */
150 {mdoc_bl_pre, mdoc_bl_post}, /* Bl */
151 {NULL, NULL}, /* El */
152 {mdoc_it_pre, NULL}, /* It */
153 {mdoc_ad_pre, NULL}, /* Ad */
154 {mdoc_an_pre, NULL}, /* An */
155 {mdoc_ar_pre, NULL}, /* Ar */
156 {mdoc_cd_pre, NULL}, /* Cd */
157 {mdoc_fl_pre, NULL}, /* Cm */
158 {mdoc_dv_pre, NULL}, /* Dv */
159 {mdoc_er_pre, NULL}, /* Er */
160 {mdoc_ev_pre, NULL}, /* Ev */
161 {mdoc_ex_pre, NULL}, /* Ex */
162 {mdoc_fa_pre, NULL}, /* Fa */
163 {mdoc_fd_pre, NULL}, /* Fd */
164 {mdoc_fl_pre, NULL}, /* Fl */
165 {mdoc_fn_pre, NULL}, /* Fn */
166 {mdoc_ft_pre, NULL}, /* Ft */
167 {mdoc_ic_pre, NULL}, /* Ic */
168 {mdoc_in_pre, NULL}, /* In */
169 {mdoc_li_pre, NULL}, /* Li */
170 {mdoc_nd_pre, NULL}, /* Nd */
171 {mdoc_nm_pre, NULL}, /* Nm */
172 {mdoc_op_pre, mdoc_op_post}, /* Op */
173 {NULL, NULL}, /* Ot */
174 {mdoc_pa_pre, NULL}, /* Pa */
175 {mdoc_rv_pre, NULL}, /* Rv */
176 {NULL, NULL}, /* St */
177 {mdoc_va_pre, NULL}, /* Va */
178 {mdoc_vt_pre, NULL}, /* Vt */
179 {mdoc_xr_pre, NULL}, /* Xr */
180 {mdoc__x_pre, mdoc__x_post}, /* %A */
181 {mdoc__x_pre, mdoc__x_post}, /* %B */
182 {mdoc__x_pre, mdoc__x_post}, /* %D */
183 {mdoc__x_pre, mdoc__x_post}, /* %I */
184 {mdoc__x_pre, mdoc__x_post}, /* %J */
185 {mdoc__x_pre, mdoc__x_post}, /* %N */
186 {mdoc__x_pre, mdoc__x_post}, /* %O */
187 {mdoc__x_pre, mdoc__x_post}, /* %P */
188 {mdoc__x_pre, mdoc__x_post}, /* %R */
189 {mdoc__x_pre, mdoc__x_post}, /* %T */
190 {mdoc__x_pre, mdoc__x_post}, /* %V */
191 {NULL, NULL}, /* Ac */
192 {mdoc_aq_pre, mdoc_aq_post}, /* Ao */
193 {mdoc_aq_pre, mdoc_aq_post}, /* Aq */
194 {NULL, NULL}, /* At */
195 {NULL, NULL}, /* Bc */
196 {mdoc_bf_pre, NULL}, /* Bf */
197 {mdoc_bq_pre, mdoc_bq_post}, /* Bo */
198 {mdoc_bq_pre, mdoc_bq_post}, /* Bq */
199 {mdoc_xx_pre, NULL}, /* Bsx */
200 {mdoc_bx_pre, NULL}, /* Bx */
201 {NULL, NULL}, /* Db */
202 {NULL, NULL}, /* Dc */
203 {mdoc_dq_pre, mdoc_dq_post}, /* Do */
204 {mdoc_dq_pre, mdoc_dq_post}, /* Dq */
205 {NULL, NULL}, /* Ec */ /* FIXME: no space */
206 {NULL, NULL}, /* Ef */
207 {mdoc_em_pre, NULL}, /* Em */
208 {NULL, NULL}, /* Eo */
209 {mdoc_xx_pre, NULL}, /* Fx */
210 {mdoc_ms_pre, NULL}, /* Ms */ /* FIXME: convert to symbol? */
211 {NULL, NULL}, /* No */
212 {mdoc_ns_pre, NULL}, /* Ns */
213 {mdoc_xx_pre, NULL}, /* Nx */
214 {mdoc_xx_pre, NULL}, /* Ox */
215 {NULL, NULL}, /* Pc */
216 {mdoc_pf_pre, mdoc_pf_post}, /* Pf */
217 {mdoc_pq_pre, mdoc_pq_post}, /* Po */
218 {mdoc_pq_pre, mdoc_pq_post}, /* Pq */
219 {NULL, NULL}, /* Qc */
220 {mdoc_sq_pre, mdoc_sq_post}, /* Ql */
221 {mdoc_dq_pre, mdoc_dq_post}, /* Qo */
222 {mdoc_dq_pre, mdoc_dq_post}, /* Qq */
223 {NULL, NULL}, /* Re */
224 {mdoc_rs_pre, NULL}, /* Rs */
225 {NULL, NULL}, /* Sc */
226 {mdoc_sq_pre, mdoc_sq_post}, /* So */
227 {mdoc_sq_pre, mdoc_sq_post}, /* Sq */
228 {NULL, NULL}, /* Sm */ /* FIXME - no idea. */
229 {mdoc_sx_pre, NULL}, /* Sx */
230 {mdoc_sy_pre, NULL}, /* Sy */
231 {NULL, NULL}, /* Tn */
232 {mdoc_xx_pre, NULL}, /* Ux */
233 {NULL, NULL}, /* Xc */
234 {NULL, NULL}, /* Xo */
235 {mdoc_fo_pre, mdoc_fo_post}, /* Fo */
236 {NULL, NULL}, /* Fc */
237 {mdoc_op_pre, mdoc_op_post}, /* Oo */
238 {NULL, NULL}, /* Oc */
239 {NULL, NULL}, /* Bk */
240 {NULL, NULL}, /* Ek */
241 {mdoc_bt_pre, NULL}, /* Bt */
242 {NULL, NULL}, /* Hf */
243 {NULL, NULL}, /* Fr */
244 {mdoc_ud_pre, NULL}, /* Ud */
245 {mdoc_lb_pre, NULL}, /* Lb */
246 {mdoc_sp_pre, NULL}, /* Lp */
247 {mdoc_lk_pre, NULL}, /* Lk */
248 {mdoc_mt_pre, NULL}, /* Mt */
249 {mdoc_brq_pre, mdoc_brq_post}, /* Brq */
250 {mdoc_brq_pre, mdoc_brq_post}, /* Bro */
251 {NULL, NULL}, /* Brc */
252 {mdoc__x_pre, mdoc__x_post}, /* %C */
253 {NULL, NULL}, /* Es */ /* TODO */
254 {NULL, NULL}, /* En */ /* TODO */
255 {mdoc_xx_pre, NULL}, /* Dx */
256 {mdoc__x_pre, mdoc__x_post}, /* %Q */
257 {mdoc_sp_pre, NULL}, /* br */
258 {mdoc_sp_pre, NULL}, /* sp */
259 {mdoc__x_pre, mdoc__x_post}, /* %U */
260 {NULL, NULL}, /* Ta */
261 };
262
263
264 void
265 html_mdoc(void *arg, const struct mdoc *m)
266 {
267 struct html *h;
268 struct tag *t;
269
270 h = (struct html *)arg;
271
272 print_gen_decls(h);
273 t = print_otag(h, TAG_HTML, 0, NULL);
274 print_mdoc(mdoc_meta(m), mdoc_node(m), h);
275 print_tagq(h, t);
276
277 printf("\n");
278 }
279
280
281 /*
282 * Calculate the scaling unit passed in a `-width' argument. This uses
283 * either a native scaling unit (e.g., 1i, 2m) or the string length of
284 * the value.
285 */
286 static void
287 a2width(const char *p, struct roffsu *su)
288 {
289
290 if ( ! a2roffsu(p, su, SCALE_MAX)) {
291 su->unit = SCALE_EM;
292 su->scale = (int)strlen(p);
293 }
294 }
295
296
297 /*
298 * See the same function in mdoc_term.c for documentation.
299 */
300 static void
301 synopsis_pre(struct html *h, const struct mdoc_node *n)
302 {
303 struct roffsu su;
304 struct htmlpair tag;
305
306 if (NULL == n->prev || SEC_SYNOPSIS != n->sec)
307 return;
308
309 SCALE_VS_INIT(&su, 1);
310 bufcat_su(h, "margin-top", &su);
311 PAIR_STYLE_INIT(&tag, h);
312
313 if (n->prev->tok == n->tok &&
314 MDOC_Fo != n->tok &&
315 MDOC_Ft != n->tok &&
316 MDOC_Fn != n->tok) {
317 print_otag(h, TAG_DIV, 0, NULL);
318 return;
319 }
320
321 switch (n->prev->tok) {
322 case (MDOC_Fd):
323 /* FALLTHROUGH */
324 case (MDOC_Fn):
325 /* FALLTHROUGH */
326 case (MDOC_Fo):
327 /* FALLTHROUGH */
328 case (MDOC_In):
329 /* FALLTHROUGH */
330 case (MDOC_Vt):
331 print_otag(h, TAG_DIV, 1, &tag);
332 break;
333 case (MDOC_Ft):
334 if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
335 print_otag(h, TAG_DIV, 1, &tag);
336 break;
337 }
338 /* FALLTHROUGH */
339 default:
340 print_otag(h, TAG_DIV, 0, NULL);
341 break;
342 }
343 }
344
345
346 /*
347 * Calculate the scaling unit passed in an `-offset' argument. This
348 * uses either a native scaling unit (e.g., 1i, 2m), one of a set of
349 * predefined strings (indent, etc.), or the string length of the value.
350 */
351 static void
352 a2offs(const char *p, struct roffsu *su)
353 {
354
355 /* FIXME: "right"? */
356
357 if (0 == strcmp(p, "left"))
358 SCALE_HS_INIT(su, 0);
359 else if (0 == strcmp(p, "indent"))
360 SCALE_HS_INIT(su, INDENT);
361 else if (0 == strcmp(p, "indent-two"))
362 SCALE_HS_INIT(su, INDENT * 2);
363 else if ( ! a2roffsu(p, su, SCALE_MAX)) {
364 su->unit = SCALE_EM;
365 su->scale = (int)strlen(p);
366 }
367 }
368
369
370 static void
371 print_mdoc(MDOC_ARGS)
372 {
373 struct tag *t;
374 struct htmlpair tag;
375
376 t = print_otag(h, TAG_HEAD, 0, NULL);
377 print_mdoc_head(m, n, h);
378 print_tagq(h, t);
379
380 t = print_otag(h, TAG_BODY, 0, NULL);
381
382 tag.key = ATTR_CLASS;
383 tag.val = "body";
384 print_otag(h, TAG_DIV, 1, &tag);
385
386 print_mdoc_nodelist(m, n, h);
387 print_tagq(h, t);
388 }
389
390
391 /* ARGSUSED */
392 static void
393 print_mdoc_head(MDOC_ARGS)
394 {
395
396 print_gen_head(h);
397 bufinit(h);
398 buffmt(h, "%s(%s)", m->title, m->msec);
399
400 if (m->arch) {
401 bufcat(h, " (");
402 bufcat(h, m->arch);
403 bufcat(h, ")");
404 }
405
406 print_otag(h, TAG_TITLE, 0, NULL);
407 print_text(h, h->buf);
408 }
409
410
411 static void
412 print_mdoc_nodelist(MDOC_ARGS)
413 {
414
415 print_mdoc_node(m, n, h);
416 if (n->next)
417 print_mdoc_nodelist(m, n->next, h);
418 }
419
420
421 static void
422 print_mdoc_node(MDOC_ARGS)
423 {
424 int child;
425 struct tag *t;
426
427 child = 1;
428 t = h->tags.head;
429
430 bufinit(h);
431 switch (n->type) {
432 case (MDOC_ROOT):
433 child = mdoc_root_pre(m, n, h);
434 break;
435 case (MDOC_TEXT):
436 print_text(h, n->string);
437 return;
438 default:
439 if (mdocs[n->tok].pre)
440 child = (*mdocs[n->tok].pre)(m, n, h);
441 break;
442 }
443
444 if (child && n->child)
445 print_mdoc_nodelist(m, n->child, h);
446
447 print_stagq(h, t);
448
449 bufinit(h);
450 switch (n->type) {
451 case (MDOC_ROOT):
452 mdoc_root_post(m, n, h);
453 break;
454 default:
455 if (mdocs[n->tok].post)
456 (*mdocs[n->tok].post)(m, n, h);
457 break;
458 }
459 }
460
461
462 /* ARGSUSED */
463 static void
464 mdoc_root_post(MDOC_ARGS)
465 {
466 struct htmlpair tag[3];
467 struct tag *t, *tt;
468 char b[DATESIZ];
469
470 time2a(m->date, b, DATESIZ);
471
472 /*
473 * XXX: this should use divs, but in Firefox, divs with nested
474 * divs for some reason puke when trying to put a border line
475 * below. So I use tables, instead.
476 */
477
478 PAIR_CLASS_INIT(&tag[0], "footer");
479 bufcat_style(h, "width", "100%");
480 PAIR_STYLE_INIT(&tag[1], h);
481 PAIR_SUMMARY_INIT(&tag[2], "footer");
482
483 t = print_otag(h, TAG_TABLE, 3, tag);
484 tt = print_otag(h, TAG_TR, 0, NULL);
485
486 bufinit(h);
487 bufcat_style(h, "width", "50%");
488 PAIR_STYLE_INIT(&tag[0], h);
489 print_otag(h, TAG_TD, 1, tag);
490 print_text(h, b);
491 print_stagq(h, tt);
492
493 bufinit(h);
494 bufcat_style(h, "width", "50%");
495 bufcat_style(h, "text-align", "right");
496 PAIR_STYLE_INIT(&tag[0], h);
497 print_otag(h, TAG_TD, 1, tag);
498 print_text(h, m->os);
499 print_tagq(h, t);
500 }
501
502
503 /* ARGSUSED */
504 static int
505 mdoc_root_pre(MDOC_ARGS)
506 {
507 struct htmlpair tag[3];
508 struct tag *t, *tt;
509 char b[BUFSIZ], title[BUFSIZ];
510
511 (void)strlcpy(b, m->vol, BUFSIZ);
512
513 if (m->arch) {
514 (void)strlcat(b, " (", BUFSIZ);
515 (void)strlcat(b, m->arch, BUFSIZ);
516 (void)strlcat(b, ")", BUFSIZ);
517 }
518
519 (void)snprintf(title, BUFSIZ - 1,
520 "%s(%s)", m->title, m->msec);
521
522 /* XXX: see note in mdoc_root_post() about divs. */
523
524 PAIR_CLASS_INIT(&tag[0], "header");
525 bufcat_style(h, "width", "100%");
526 PAIR_STYLE_INIT(&tag[1], h);
527 PAIR_SUMMARY_INIT(&tag[2], "header");
528
529 t = print_otag(h, TAG_TABLE, 3, tag);
530
531 tt = print_otag(h, TAG_TR, 0, NULL);
532
533 bufinit(h);
534 bufcat_style(h, "width", "10%");
535 PAIR_STYLE_INIT(&tag[0], h);
536 print_otag(h, TAG_TD, 1, tag);
537 print_text(h, title);
538 print_stagq(h, tt);
539
540 bufinit(h);
541 bufcat_style(h, "text-align", "center");
542 bufcat_style(h, "white-space", "nowrap");
543 bufcat_style(h, "width", "80%");
544 PAIR_STYLE_INIT(&tag[0], h);
545 print_otag(h, TAG_TD, 1, tag);
546 print_text(h, b);
547 print_stagq(h, tt);
548
549 bufinit(h);
550 bufcat_style(h, "text-align", "right");
551 bufcat_style(h, "width", "10%");
552 PAIR_STYLE_INIT(&tag[0], h);
553 print_otag(h, TAG_TD, 1, tag);
554 print_text(h, title);
555 print_tagq(h, t);
556 return(1);
557 }
558
559
560 /* ARGSUSED */
561 static int
562 mdoc_sh_pre(MDOC_ARGS)
563 {
564 struct htmlpair tag[2];
565 const struct mdoc_node *nn;
566 char buf[BUFSIZ];
567 struct roffsu su;
568
569 if (MDOC_BODY == n->type) {
570 SCALE_HS_INIT(&su, INDENT);
571 bufcat_su(h, "margin-left", &su);
572 PAIR_CLASS_INIT(&tag[0], "sec-body");
573 PAIR_STYLE_INIT(&tag[1], h);
574 print_otag(h, TAG_DIV, 2, tag);
575 return(1);
576 } else if (MDOC_BLOCK == n->type) {
577 PAIR_CLASS_INIT(&tag[0], "sec-block");
578 if (n->prev && NULL == n->prev->body->child) {
579 print_otag(h, TAG_DIV, 1, tag);
580 return(1);
581 }
582
583 SCALE_VS_INIT(&su, 1);
584 bufcat_su(h, "margin-top", &su);
585 if (NULL == n->next)
586 bufcat_su(h, "margin-bottom", &su);
587
588 PAIR_STYLE_INIT(&tag[1], h);
589 print_otag(h, TAG_DIV, 2, tag);
590 return(1);
591 }
592
593 buf[0] = '\0';
594 for (nn = n->child; nn; nn = nn->next) {
595 html_idcat(buf, nn->string, BUFSIZ);
596 if (nn->next)
597 html_idcat(buf, " ", BUFSIZ);
598 }
599
600 PAIR_CLASS_INIT(&tag[0], "sec-head");
601 PAIR_ID_INIT(&tag[1], buf);
602
603 print_otag(h, TAG_DIV, 2, tag);
604 return(1);
605 }
606
607
608 /* ARGSUSED */
609 static int
610 mdoc_ss_pre(MDOC_ARGS)
611 {
612 struct htmlpair tag[3];
613 const struct mdoc_node *nn;
614 char buf[BUFSIZ];
615 struct roffsu su;
616
617 SCALE_VS_INIT(&su, 1);
618
619 if (MDOC_BODY == n->type) {
620 PAIR_CLASS_INIT(&tag[0], "ssec-body");
621 if (n->parent->next && n->child) {
622 bufcat_su(h, "margin-bottom", &su);
623 PAIR_STYLE_INIT(&tag[1], h);
624 print_otag(h, TAG_DIV, 2, tag);
625 } else
626 print_otag(h, TAG_DIV, 1, tag);
627 return(1);
628 } else if (MDOC_BLOCK == n->type) {
629 PAIR_CLASS_INIT(&tag[0], "ssec-block");
630 if (n->prev) {
631 bufcat_su(h, "margin-top", &su);
632 PAIR_STYLE_INIT(&tag[1], h);
633 print_otag(h, TAG_DIV, 2, tag);
634 } else
635 print_otag(h, TAG_DIV, 1, tag);
636 return(1);
637 }
638
639 /* TODO: see note in mdoc_sh_pre() about duplicates. */
640
641 buf[0] = '\0';
642 for (nn = n->child; nn; nn = nn->next) {
643 html_idcat(buf, nn->string, BUFSIZ);
644 if (nn->next)
645 html_idcat(buf, " ", BUFSIZ);
646 }
647
648 SCALE_HS_INIT(&su, INDENT - HALFINDENT);
649 su.scale = -su.scale;
650 bufcat_su(h, "margin-left", &su);
651
652 PAIR_CLASS_INIT(&tag[0], "ssec-head");
653 PAIR_STYLE_INIT(&tag[1], h);
654 PAIR_ID_INIT(&tag[2], buf);
655
656 print_otag(h, TAG_DIV, 3, tag);
657 return(1);
658 }
659
660
661 /* ARGSUSED */
662 static int
663 mdoc_fl_pre(MDOC_ARGS)
664 {
665 struct htmlpair tag;
666
667 PAIR_CLASS_INIT(&tag, "flag");
668 print_otag(h, TAG_SPAN, 1, &tag);
669
670 /* `Cm' has no leading hyphen. */
671
672 if (MDOC_Cm == n->tok)
673 return(1);
674
675 print_text(h, "\\-");
676
677 if (n->child)
678 h->flags |= HTML_NOSPACE;
679 else if (n->next && n->next->line == n->line)
680 h->flags |= HTML_NOSPACE;
681
682 return(1);
683 }
684
685
686 /* ARGSUSED */
687 static int
688 mdoc_nd_pre(MDOC_ARGS)
689 {
690 struct htmlpair tag;
691
692 if (MDOC_BODY != n->type)
693 return(1);
694
695 /* XXX: this tag in theory can contain block elements. */
696
697 print_text(h, "\\(em");
698 PAIR_CLASS_INIT(&tag, "desc-body");
699 print_otag(h, TAG_SPAN, 1, &tag);
700 return(1);
701 }
702
703
704 /* ARGSUSED */
705 static int
706 mdoc_op_pre(MDOC_ARGS)
707 {
708 struct htmlpair tag;
709
710 if (MDOC_BODY != n->type)
711 return(1);
712
713 /* XXX: this tag in theory can contain block elements. */
714
715 print_text(h, "\\(lB");
716 h->flags |= HTML_NOSPACE;
717 PAIR_CLASS_INIT(&tag, "opt");
718 print_otag(h, TAG_SPAN, 1, &tag);
719 return(1);
720 }
721
722
723 /* ARGSUSED */
724 static void
725 mdoc_op_post(MDOC_ARGS)
726 {
727
728 if (MDOC_BODY != n->type)
729 return;
730 h->flags |= HTML_NOSPACE;
731 print_text(h, "\\(rB");
732 }
733
734
735 static int
736 mdoc_nm_pre(MDOC_ARGS)
737 {
738 struct htmlpair tag;
739
740 if (NULL == n->child && NULL == m->name)
741 return(1);
742
743 synopsis_pre(h, n);
744
745 PAIR_CLASS_INIT(&tag, "name");
746 print_otag(h, TAG_SPAN, 1, &tag);
747 if (NULL == n->child)
748 print_text(h, m->name);
749 return(1);
750 }
751
752
753 /* ARGSUSED */
754 static int
755 mdoc_xr_pre(MDOC_ARGS)
756 {
757 struct htmlpair tag[2];
758 const struct mdoc_node *nn;
759
760 if (NULL == n->child)
761 return(0);
762
763 PAIR_CLASS_INIT(&tag[0], "link-man");
764
765 if (h->base_man) {
766 buffmt_man(h, n->child->string,
767 n->child->next ?
768 n->child->next->string : NULL);
769 PAIR_HREF_INIT(&tag[1], h->buf);
770 print_otag(h, TAG_A, 2, tag);
771 } else
772 print_otag(h, TAG_A, 1, tag);
773
774 nn = n->child;
775 print_text(h, nn->string);
776
777 if (NULL == (nn = nn->next))
778 return(0);
779
780 h->flags |= HTML_NOSPACE;
781 print_text(h, "(");
782 h->flags |= HTML_NOSPACE;
783 print_text(h, nn->string);
784 h->flags |= HTML_NOSPACE;
785 print_text(h, ")");
786 return(0);
787 }
788
789
790 /* ARGSUSED */
791 static int
792 mdoc_ns_pre(MDOC_ARGS)
793 {
794
795 h->flags |= HTML_NOSPACE;
796 return(1);
797 }
798
799
800 /* ARGSUSED */
801 static int
802 mdoc_ar_pre(MDOC_ARGS)
803 {
804 struct htmlpair tag;
805
806 PAIR_CLASS_INIT(&tag, "arg");
807 print_otag(h, TAG_SPAN, 1, &tag);
808 return(1);
809 }
810
811
812 /* ARGSUSED */
813 static int
814 mdoc_xx_pre(MDOC_ARGS)
815 {
816 const char *pp;
817 struct htmlpair tag;
818
819 switch (n->tok) {
820 case (MDOC_Bsx):
821 pp = "BSDI BSD/OS";
822 break;
823 case (MDOC_Dx):
824 pp = "DragonFly";
825 break;
826 case (MDOC_Fx):
827 pp = "FreeBSD";
828 break;
829 case (MDOC_Nx):
830 pp = "NetBSD";
831 break;
832 case (MDOC_Ox):
833 pp = "OpenBSD";
834 break;
835 case (MDOC_Ux):
836 pp = "UNIX";
837 break;
838 default:
839 return(1);
840 }
841
842 PAIR_CLASS_INIT(&tag, "unix");
843 print_otag(h, TAG_SPAN, 1, &tag);
844 print_text(h, pp);
845 return(1);
846 }
847
848
849 /* ARGSUSED */
850 static int
851 mdoc_bx_pre(MDOC_ARGS)
852 {
853 const struct mdoc_node *nn;
854 struct htmlpair tag;
855
856 PAIR_CLASS_INIT(&tag, "unix");
857 print_otag(h, TAG_SPAN, 1, &tag);
858
859 for (nn = n->child; nn; nn = nn->next)
860 print_mdoc_node(m, nn, h);
861
862 if (n->child)
863 h->flags |= HTML_NOSPACE;
864
865 print_text(h, "BSD");
866 return(0);
867 }
868
869
870 /* ARGSUSED */
871 static int
872 mdoc_it_block_pre(MDOC_ARGS, enum mdoc_list type, int comp,
873 struct roffsu *offs, struct roffsu *width)
874 {
875 struct htmlpair tag;
876 const struct mdoc_node *nn;
877 struct roffsu su;
878
879 nn = n->parent->parent;
880
881 /* XXX: see notes in mdoc_it_pre(). */
882
883 if (LIST_column == type) {
884 /* Don't width-pad on the left. */
885 SCALE_HS_INIT(width, 0);
886 /* Also disallow non-compact. */
887 comp = 1;
888 }
889 if (LIST_diag == type)
890 /* Mandate non-compact with empty prior. */
891 if (n->prev && NULL == n->prev->body->child)
892 comp = 1;
893
894 bufcat_style(h, "clear", "both");
895 if (offs->scale > 0)
896 bufcat_su(h, "margin-left", offs);
897 if (width->scale > 0)
898 bufcat_su(h, "padding-left", width);
899
900 PAIR_STYLE_INIT(&tag, h);
901
902 /* Mandate compact following `Ss' and `Sh' starts. */
903
904 for (nn = n; nn && ! comp; nn = nn->parent) {
905 if (MDOC_BLOCK != nn->type)
906 continue;
907 if (MDOC_Ss == nn->tok || MDOC_Sh == nn->tok)
908 comp = 1;
909 if (nn->prev)
910 break;
911 }
912
913 if ( ! comp) {
914 SCALE_VS_INIT(&su, 1);
915 bufcat_su(h, "padding-top", &su);
916 }
917
918 PAIR_STYLE_INIT(&tag, h);
919 print_otag(h, TAG_DIV, 1, &tag);
920 return(1);
921 }
922
923
924 /* ARGSUSED */
925 static int
926 mdoc_it_body_pre(MDOC_ARGS, enum mdoc_list type, struct roffsu *width)
927 {
928 struct htmlpair tag;
929 struct roffsu su;
930
931 switch (type) {
932 case (LIST_item):
933 /* FALLTHROUGH */
934 case (LIST_ohang):
935 /* FALLTHROUGH */
936 case (LIST_column):
937 bufcat_su(h, "min-width", width);
938 bufcat_style(h, "clear", "none");
939 if (n->next)
940 bufcat_style(h, "float", "left");
941 PAIR_STYLE_INIT(&tag, h);
942 print_otag(h, TAG_DIV, 1, &tag);
943 break;
944 default:
945 /*
946 * XXX: this tricks CSS into aligning the bodies with
947 * the right-padding in the head.
948 */
949 SCALE_HS_INIT(&su, 2);
950 bufcat_su(h, "margin-left", &su);
951 PAIR_STYLE_INIT(&tag, h);
952 print_otag(h, TAG_DIV, 1, &tag);
953 break;
954 }
955
956 return(1);
957 }
958
959
960 /* ARGSUSED */
961 static int
962 mdoc_it_head_pre(MDOC_ARGS, enum mdoc_list type, struct roffsu *width)
963 {
964 struct htmlpair tag;
965 struct ord *ord;
966 char nbuf[BUFSIZ];
967
968 switch (type) {
969 case (LIST_item):
970 return(0);
971 case (LIST_ohang):
972 print_otag(h, TAG_DIV, 0, &tag);
973 return(1);
974 case (LIST_column):
975 break;
976 default:
977 bufcat_su(h, "min-width", width);
978 SCALE_INVERT(width);
979 bufcat_su(h, "margin-left", width);
980 if (n->next && n->next->child)
981 bufcat_style(h, "float", "left");
982
983 /* XXX: buffer if we run into body. */
984 SCALE_HS_INIT(width, 1);
985 bufcat_su(h, "margin-right", width);
986 PAIR_STYLE_INIT(&tag, h);
987 print_otag(h, TAG_DIV, 1, &tag);
988 break;
989 }
990
991 switch (type) {
992 case (LIST_diag):
993 PAIR_CLASS_INIT(&tag, "diag");
994 print_otag(h, TAG_SPAN, 1, &tag);
995 break;
996 case (LIST_enum):
997 ord = h->ords.head;
998 assert(ord);
999 nbuf[BUFSIZ - 1] = 0;
1000 (void)snprintf(nbuf, BUFSIZ - 1, "%d.", ord->pos++);
1001 print_text(h, nbuf);
1002 return(0);
1003 case (LIST_dash):
1004 print_text(h, "\\(en");
1005 return(0);
1006 case (LIST_hyphen):
1007 print_text(h, "\\(hy");
1008 return(0);
1009 case (LIST_bullet):
1010 print_text(h, "\\(bu");
1011 return(0);
1012 default:
1013 break;
1014 }
1015
1016 return(1);
1017 }
1018
1019
1020 static int
1021 mdoc_it_pre(MDOC_ARGS)
1022 {
1023 int i, wp, comp;
1024 const struct mdoc_node *bl, *nn;
1025 struct roffsu width, offs;
1026 enum mdoc_list type;
1027
1028 /*
1029 * XXX: be very careful in changing anything, here. Lists in
1030 * mandoc have many peculiarities; furthermore, they don't
1031 * translate well into HTML and require a bit of mangling.
1032 */
1033
1034 bl = n->parent->parent;
1035 if (MDOC_BLOCK != n->type)
1036 bl = bl->parent;
1037
1038 type = bl->data.list;
1039
1040 /* Set default width and offset. */
1041
1042 SCALE_HS_INIT(&offs, 0);
1043
1044 switch (type) {
1045 case (LIST_enum):
1046 /* FALLTHROUGH */
1047 case (LIST_dash):
1048 /* FALLTHROUGH */
1049 case (LIST_hyphen):
1050 /* FALLTHROUGH */
1051 case (LIST_bullet):
1052 SCALE_HS_INIT(&width, 2);
1053 break;
1054 default:
1055 SCALE_HS_INIT(&width, INDENT);
1056 break;
1057 }
1058
1059 /* Get width, offset, and compact arguments. */
1060
1061 wp = -1;
1062 for (comp = i = 0; bl->args && i < (int)bl->args->argc; i++)
1063 switch (bl->args->argv[i].arg) {
1064 case (MDOC_Column):
1065 wp = i; /* Save for later. */
1066 break;
1067 case (MDOC_Width):
1068 a2width(bl->args->argv[i].value[0], &width);
1069 break;
1070 case (MDOC_Offset):
1071 a2offs(bl->args->argv[i].value[0], &offs);
1072 break;
1073 case (MDOC_Compact):
1074 comp = 1;
1075 break;
1076 default:
1077 break;
1078 }
1079
1080 /* Override width in some cases. */
1081
1082 switch (type) {
1083 case (LIST_ohang):
1084 /* FALLTHROUGH */
1085 case (LIST_item):
1086 /* FALLTHROUGH */
1087 case (LIST_inset):
1088 /* FALLTHROUGH */
1089 case (LIST_diag):
1090 SCALE_HS_INIT(&width, 0);
1091 break;
1092 default:
1093 if (0 == width.scale)
1094 SCALE_HS_INIT(&width, INDENT);
1095 break;
1096 }
1097
1098 if (LIST_column == type && MDOC_BODY == n->type) {
1099 nn = n->parent->child;
1100 for (i = 0; nn && nn != n; nn = nn->next)
1101 if (MDOC_BODY == nn->type)
1102 i++;
1103 if (i < (int)bl->args->argv[wp].sz)
1104 a2width(bl->args->argv[wp].value[i], &width);
1105 }
1106
1107 if (MDOC_HEAD == n->type)
1108 return(mdoc_it_head_pre(m, n, h, type, &width));
1109 else if (MDOC_BODY == n->type)
1110 return(mdoc_it_body_pre(m, n, h, type, &width));
1111
1112 return(mdoc_it_block_pre(m, n, h, type, comp, &offs, &width));
1113 }
1114
1115
1116 /* ARGSUSED */
1117 static int
1118 mdoc_bl_pre(MDOC_ARGS)
1119 {
1120 struct ord *ord;
1121
1122 if (MDOC_HEAD == n->type)
1123 return(0);
1124 if (MDOC_BLOCK != n->type)
1125 return(1);
1126 if (LIST_enum != n->data.list)
1127 return(1);
1128
1129 ord = malloc(sizeof(struct ord));
1130 if (NULL == ord) {
1131 perror(NULL);
1132 exit(EXIT_FAILURE);
1133 }
1134 ord->cookie = n;
1135 ord->pos = 1;
1136 ord->next = h->ords.head;
1137 h->ords.head = ord;
1138 return(1);
1139 }
1140
1141
1142 /* ARGSUSED */
1143 static void
1144 mdoc_bl_post(MDOC_ARGS)
1145 {
1146 struct ord *ord;
1147
1148 if (MDOC_BLOCK != n->type)
1149 return;
1150 if (LIST_enum != n->data.list)
1151 return;
1152
1153 ord = h->ords.head;
1154 assert(ord);
1155 h->ords.head = ord->next;
1156 free(ord);
1157 }
1158
1159
1160 /* ARGSUSED */
1161 static int
1162 mdoc_ex_pre(MDOC_ARGS)
1163 {
1164 const struct mdoc_node *nn;
1165 struct tag *t;
1166 struct htmlpair tag;
1167
1168 PAIR_CLASS_INIT(&tag, "utility");
1169
1170 print_text(h, "The");
1171 for (nn = n->child; nn; nn = nn->next) {
1172 t = print_otag(h, TAG_SPAN, 1, &tag);
1173 print_text(h, nn->string);
1174 print_tagq(h, t);
1175
1176 h->flags |= HTML_NOSPACE;
1177
1178 if (nn->next && NULL == nn->next->next)
1179 print_text(h, ", and");
1180 else if (nn->next)
1181 print_text(h, ",");
1182 else
1183 h->flags &= ~HTML_NOSPACE;
1184 }
1185
1186 if (n->child && n->child->next)
1187 print_text(h, "utilities exit");
1188 else
1189 print_text(h, "utility exits");
1190
1191 print_text(h, "0 on success, and >0 if an error occurs.");
1192 return(0);
1193 }
1194
1195
1196 /* ARGSUSED */
1197 static int
1198 mdoc_dq_pre(MDOC_ARGS)
1199 {
1200
1201 if (MDOC_BODY != n->type)
1202 return(1);
1203 print_text(h, "\\(lq");
1204 h->flags |= HTML_NOSPACE;
1205 return(1);
1206 }
1207
1208
1209 /* ARGSUSED */
1210 static void
1211 mdoc_dq_post(MDOC_ARGS)
1212 {
1213
1214 if (MDOC_BODY != n->type)
1215 return;
1216 h->flags |= HTML_NOSPACE;
1217 print_text(h, "\\(rq");
1218 }
1219
1220
1221 /* ARGSUSED */
1222 static int
1223 mdoc_pq_pre(MDOC_ARGS)
1224 {
1225
1226 if (MDOC_BODY != n->type)
1227 return(1);
1228 print_text(h, "\\&(");
1229 h->flags |= HTML_NOSPACE;
1230 return(1);
1231 }
1232
1233
1234 /* ARGSUSED */
1235 static void
1236 mdoc_pq_post(MDOC_ARGS)
1237 {
1238
1239 if (MDOC_BODY != n->type)
1240 return;
1241 print_text(h, ")");
1242 }
1243
1244
1245 /* ARGSUSED */
1246 static int
1247 mdoc_sq_pre(MDOC_ARGS)
1248 {
1249
1250 if (MDOC_BODY != n->type)
1251 return(1);
1252 print_text(h, "\\(oq");
1253 h->flags |= HTML_NOSPACE;
1254 return(1);
1255 }
1256
1257
1258 /* ARGSUSED */
1259 static void
1260 mdoc_sq_post(MDOC_ARGS)
1261 {
1262
1263 if (MDOC_BODY != n->type)
1264 return;
1265 h->flags |= HTML_NOSPACE;
1266 print_text(h, "\\(aq");
1267 }
1268
1269
1270 /* ARGSUSED */
1271 static int
1272 mdoc_em_pre(MDOC_ARGS)
1273 {
1274 struct htmlpair tag;
1275
1276 PAIR_CLASS_INIT(&tag, "emph");
1277 print_otag(h, TAG_SPAN, 1, &tag);
1278 return(1);
1279 }
1280
1281
1282 /* ARGSUSED */
1283 static int
1284 mdoc_d1_pre(MDOC_ARGS)
1285 {
1286 struct htmlpair tag[2];
1287 struct roffsu su;
1288
1289 if (MDOC_BLOCK != n->type)
1290 return(1);
1291
1292 /* FIXME: D1 shouldn't be literal. */
1293
1294 SCALE_VS_INIT(&su, INDENT - 2);
1295 bufcat_su(h, "margin-left", &su);
1296 PAIR_CLASS_INIT(&tag[0], "lit");
1297 PAIR_STYLE_INIT(&tag[1], h);
1298 print_otag(h, TAG_DIV, 2, tag);
1299 return(1);
1300 }
1301
1302
1303 /* ARGSUSED */
1304 static int
1305 mdoc_sx_pre(MDOC_ARGS)
1306 {
1307 struct htmlpair tag[2];
1308 const struct mdoc_node *nn;
1309 char buf[BUFSIZ];
1310
1311 strlcpy(buf, "#", BUFSIZ);
1312 for (nn = n->child; nn; nn = nn->next) {
1313 html_idcat(buf, nn->string, BUFSIZ);
1314 if (nn->next)
1315 html_idcat(buf, " ", BUFSIZ);
1316 }
1317
1318 PAIR_CLASS_INIT(&tag[0], "link-sec");
1319 PAIR_HREF_INIT(&tag[1], buf);
1320
1321 print_otag(h, TAG_A, 2, tag);
1322 return(1);
1323 }
1324
1325
1326 /* ARGSUSED */
1327 static int
1328 mdoc_aq_pre(MDOC_ARGS)
1329 {
1330
1331 if (MDOC_BODY != n->type)
1332 return(1);
1333 print_text(h, "\\(la");
1334 h->flags |= HTML_NOSPACE;
1335 return(1);
1336 }
1337
1338
1339 /* ARGSUSED */
1340 static void
1341 mdoc_aq_post(MDOC_ARGS)
1342 {
1343
1344 if (MDOC_BODY != n->type)
1345 return;
1346 h->flags |= HTML_NOSPACE;
1347 print_text(h, "\\(ra");
1348 }
1349
1350
1351 /* ARGSUSED */
1352 static int
1353 mdoc_bd_pre(MDOC_ARGS)
1354 {
1355 struct htmlpair tag[2];
1356 int comp, i;
1357 const struct mdoc_node *bl, *nn;
1358 struct roffsu su;
1359
1360 if (MDOC_BLOCK == n->type)
1361 bl = n;
1362 else if (MDOC_HEAD == n->type)
1363 return(0);
1364 else
1365 bl = n->parent;
1366
1367 SCALE_VS_INIT(&su, 0);
1368
1369 comp = 0;
1370 for (i = 0; bl->args && i < (int)bl->args->argc; i++)
1371 switch (bl->args->argv[i].arg) {
1372 case (MDOC_Offset):
1373 a2offs(bl->args->argv[i].value[0], &su);
1374 break;
1375 case (MDOC_Compact):
1376 comp = 1;
1377 break;
1378 default:
1379 break;
1380 }
1381
1382 /* FIXME: -centered, etc. formatting. */
1383 /* FIXME: does not respect -offset ??? */
1384
1385 if (MDOC_BLOCK == n->type) {
1386 bufcat_su(h, "margin-left", &su);
1387 for (nn = n; nn && ! comp; nn = nn->parent) {
1388 if (MDOC_BLOCK != nn->type)
1389 continue;
1390 if (MDOC_Ss == nn->tok || MDOC_Sh == nn->tok)
1391 comp = 1;
1392 if (nn->prev)
1393 break;
1394 }
1395 if (comp) {
1396 PAIR_STYLE_INIT(&tag[0], h);
1397 print_otag(h, TAG_DIV, 1, tag);
1398 return(1);
1399 }
1400 SCALE_VS_INIT(&su, 1);
1401 bufcat_su(h, "margin-top", &su);
1402 PAIR_STYLE_INIT(&tag[0], h);
1403 print_otag(h, TAG_DIV, 1, tag);
1404 return(1);
1405 }
1406
1407 if (DISP_unfilled != n->data.disp &&
1408 DISP_literal != n->data.disp)
1409 return(1);
1410
1411 PAIR_CLASS_INIT(&tag[0], "lit");
1412 bufcat_style(h, "white-space", "pre");
1413 PAIR_STYLE_INIT(&tag[1], h);
1414 print_otag(h, TAG_DIV, 2, tag);
1415
1416 for (nn = n->child; nn; nn = nn->next) {
1417 h->flags |= HTML_NOSPACE;
1418 print_mdoc_node(m, nn, h);
1419 if (NULL == nn->next)
1420 continue;
1421 if (nn->prev && nn->prev->line < nn->line)
1422 print_text(h, "\n");
1423 else if (NULL == nn->prev)
1424 print_text(h, "\n");
1425 }
1426
1427 return(0);
1428 }
1429
1430
1431 /* ARGSUSED */
1432 static int
1433 mdoc_pa_pre(MDOC_ARGS)
1434 {
1435 struct htmlpair tag;
1436
1437 PAIR_CLASS_INIT(&tag, "file");
1438 print_otag(h, TAG_SPAN, 1, &tag);
1439 return(1);
1440 }
1441
1442
1443 /* ARGSUSED */
1444 static int
1445 mdoc_ad_pre(MDOC_ARGS)
1446 {
1447 struct htmlpair tag;
1448
1449 PAIR_CLASS_INIT(&tag, "addr");
1450 print_otag(h, TAG_SPAN, 1, &tag);
1451 return(1);
1452 }
1453
1454
1455 /* ARGSUSED */
1456 static int
1457 mdoc_an_pre(MDOC_ARGS)
1458 {
1459 struct htmlpair tag;
1460
1461 /* TODO: -split and -nosplit (see termp_an_pre()). */
1462
1463 PAIR_CLASS_INIT(&tag, "author");
1464 print_otag(h, TAG_SPAN, 1, &tag);
1465 return(1);
1466 }
1467
1468
1469 /* ARGSUSED */
1470 static int
1471 mdoc_cd_pre(MDOC_ARGS)
1472 {
1473 struct htmlpair tag;
1474
1475 synopsis_pre(h, n);
1476 PAIR_CLASS_INIT(&tag, "config");
1477 print_otag(h, TAG_SPAN, 1, &tag);
1478 return(1);
1479 }
1480
1481
1482 /* ARGSUSED */
1483 static int
1484 mdoc_dv_pre(MDOC_ARGS)
1485 {
1486 struct htmlpair tag;
1487
1488 PAIR_CLASS_INIT(&tag, "define");
1489 print_otag(h, TAG_SPAN, 1, &tag);
1490 return(1);
1491 }
1492
1493
1494 /* ARGSUSED */
1495 static int
1496 mdoc_ev_pre(MDOC_ARGS)
1497 {
1498 struct htmlpair tag;
1499
1500 PAIR_CLASS_INIT(&tag, "env");
1501 print_otag(h, TAG_SPAN, 1, &tag);
1502 return(1);
1503 }
1504
1505
1506 /* ARGSUSED */
1507 static int
1508 mdoc_er_pre(MDOC_ARGS)
1509 {
1510 struct htmlpair tag;
1511
1512 PAIR_CLASS_INIT(&tag, "errno");
1513 print_otag(h, TAG_SPAN, 1, &tag);
1514 return(1);
1515 }
1516
1517
1518 /* ARGSUSED */
1519 static int
1520 mdoc_fa_pre(MDOC_ARGS)
1521 {
1522 const struct mdoc_node *nn;
1523 struct htmlpair tag;
1524 struct tag *t;
1525
1526 PAIR_CLASS_INIT(&tag, "farg");
1527 if (n->parent->tok != MDOC_Fo) {
1528 print_otag(h, TAG_SPAN, 1, &tag);
1529 return(1);
1530 }
1531
1532 for (nn = n->child; nn; nn = nn->next) {
1533 t = print_otag(h, TAG_SPAN, 1, &tag);
1534 print_text(h, nn->string);
1535 print_tagq(h, t);
1536 if (nn->next)
1537 print_text(h, ",");
1538 }
1539
1540 if (n->child && n->next && n->next->tok == MDOC_Fa)
1541 print_text(h, ",");
1542
1543 return(0);
1544 }
1545
1546
1547 /* ARGSUSED */
1548 static int
1549 mdoc_fd_pre(MDOC_ARGS)
1550 {
1551 struct htmlpair tag;
1552
1553 synopsis_pre(h, n);
1554
1555 PAIR_CLASS_INIT(&tag, "macro");
1556 print_otag(h, TAG_SPAN, 1, &tag);
1557 return(1);
1558 }
1559
1560
1561 /* ARGSUSED */
1562 static int
1563 mdoc_vt_pre(MDOC_ARGS)
1564 {
1565 struct htmlpair tag;
1566
1567 if (MDOC_BLOCK == n->type) {
1568 synopsis_pre(h, n);
1569 return(1);
1570 } else if (MDOC_ELEM == n->type) {
1571 synopsis_pre(h, n);
1572 } else if (MDOC_HEAD == n->type)
1573 return(0);
1574
1575 PAIR_CLASS_INIT(&tag, "type");
1576 print_otag(h, TAG_SPAN, 1, &tag);
1577 return(1);
1578 }
1579
1580
1581 /* ARGSUSED */
1582 static int
1583 mdoc_ft_pre(MDOC_ARGS)
1584 {
1585 struct htmlpair tag;
1586
1587 synopsis_pre(h, n);
1588 PAIR_CLASS_INIT(&tag, "ftype");
1589 print_otag(h, TAG_SPAN, 1, &tag);
1590 return(1);
1591 }
1592
1593
1594 /* ARGSUSED */
1595 static int
1596 mdoc_fn_pre(MDOC_ARGS)
1597 {
1598 struct tag *t;
1599 struct htmlpair tag[2];
1600 const struct mdoc_node *nn;
1601 char nbuf[BUFSIZ];
1602 const char *sp, *ep;
1603 int sz, i;
1604
1605 synopsis_pre(h, n);
1606
1607 /* Split apart into type and name. */
1608 assert(n->child->string);
1609 sp = n->child->string;
1610
1611 ep = strchr(sp, ' ');
1612 if (NULL != ep) {
1613 PAIR_CLASS_INIT(&tag[0], "ftype");
1614 t = print_otag(h, TAG_SPAN, 1, tag);
1615
1616 while (ep) {
1617 sz = MIN((int)(ep - sp), BUFSIZ - 1);
1618 (void)memcpy(nbuf, sp, (size_t)sz);
1619 nbuf[sz] = '\0';
1620 print_text(h, nbuf);
1621 sp = ++ep;
1622 ep = strchr(sp, ' ');
1623 }
1624 print_tagq(h, t);
1625 }
1626
1627 PAIR_CLASS_INIT(&tag[0], "fname");
1628
1629 /*
1630 * FIXME: only refer to IDs that we know exist.
1631 */
1632
1633 #if 0
1634 if (SEC_SYNOPSIS == n->sec) {
1635 nbuf[0] = '\0';
1636 html_idcat(nbuf, sp, BUFSIZ);
1637 PAIR_ID_INIT(&tag[1], nbuf);
1638 } else {
1639 strlcpy(nbuf, "#", BUFSIZ);
1640 html_idcat(nbuf, sp, BUFSIZ);
1641 PAIR_HREF_INIT(&tag[1], nbuf);
1642 }
1643 #endif
1644
1645 t = print_otag(h, TAG_SPAN, 1, tag);
1646
1647 if (sp) {
1648 strlcpy(nbuf, sp, BUFSIZ);
1649 print_text(h, nbuf);
1650 }
1651
1652 print_tagq(h, t);
1653
1654 h->flags |= HTML_NOSPACE;
1655 print_text(h, "(");
1656
1657 bufinit(h);
1658 PAIR_CLASS_INIT(&tag[0], "farg");
1659 bufcat_style(h, "white-space", "nowrap");
1660 PAIR_STYLE_INIT(&tag[1], h);
1661
1662 for (nn = n->child->next; nn; nn = nn->next) {
1663 i = 1;
1664 if (SEC_SYNOPSIS == n->sec)
1665 i = 2;
1666 t = print_otag(h, TAG_SPAN, i, tag);
1667 print_text(h, nn->string);
1668 print_tagq(h, t);
1669 if (nn->next)
1670 print_text(h, ",");
1671 }
1672
1673 print_text(h, ")");
1674 if (SEC_SYNOPSIS == n->sec)
1675 print_text(h, ";");
1676
1677 return(0);
1678 }
1679
1680
1681 /* ARGSUSED */
1682 static int
1683 mdoc_sp_pre(MDOC_ARGS)
1684 {
1685 int len;
1686 struct htmlpair tag;
1687 struct roffsu su;
1688
1689 switch (n->tok) {
1690 case (MDOC_sp):
1691 /* FIXME: can this have a scaling indicator? */
1692 len = n->child ? atoi(n->child->string) : 1;
1693 break;
1694 case (MDOC_br):
1695 len = 0;
1696 break;
1697 default:
1698 len = 1;
1699 break;
1700 }
1701
1702 SCALE_VS_INIT(&su, len);
1703 bufcat_su(h, "height", &su);
1704 PAIR_STYLE_INIT(&tag, h);
1705 print_otag(h, TAG_DIV, 1, &tag);
1706 /* So the div isn't empty: */
1707 print_text(h, "\\~");
1708
1709 return(0);
1710
1711 }
1712
1713
1714 /* ARGSUSED */
1715 static int
1716 mdoc_brq_pre(MDOC_ARGS)
1717 {
1718
1719 if (MDOC_BODY != n->type)
1720 return(1);
1721 print_text(h, "\\(lC");
1722 h->flags |= HTML_NOSPACE;
1723 return(1);
1724 }
1725
1726
1727 /* ARGSUSED */
1728 static void
1729 mdoc_brq_post(MDOC_ARGS)
1730 {
1731
1732 if (MDOC_BODY != n->type)
1733 return;
1734 h->flags |= HTML_NOSPACE;
1735 print_text(h, "\\(rC");
1736 }
1737
1738
1739 /* ARGSUSED */
1740 static int
1741 mdoc_lk_pre(MDOC_ARGS)
1742 {
1743 const struct mdoc_node *nn;
1744 struct htmlpair tag[2];
1745
1746 nn = n->child;
1747
1748 PAIR_CLASS_INIT(&tag[0], "link-ext");
1749 PAIR_HREF_INIT(&tag[1], nn->string);
1750 print_otag(h, TAG_A, 2, tag);
1751
1752 if (NULL == nn->next)
1753 return(1);
1754
1755 for (nn = nn->next; nn; nn = nn->next)
1756 print_text(h, nn->string);
1757
1758 return(0);
1759 }
1760
1761
1762 /* ARGSUSED */
1763 static int
1764 mdoc_mt_pre(MDOC_ARGS)
1765 {
1766 struct htmlpair tag[2];
1767 struct tag *t;
1768 const struct mdoc_node *nn;
1769
1770 PAIR_CLASS_INIT(&tag[0], "link-mail");
1771
1772 for (nn = n->child; nn; nn = nn->next) {
1773 bufinit(h);
1774 bufcat(h, "mailto:");
1775 bufcat(h, nn->string);
1776 PAIR_HREF_INIT(&tag[1], h->buf);
1777 t = print_otag(h, TAG_A, 2, tag);
1778 print_text(h, nn->string);
1779 print_tagq(h, t);
1780 }
1781
1782 return(0);
1783 }
1784
1785
1786 /* ARGSUSED */
1787 static int
1788 mdoc_fo_pre(MDOC_ARGS)
1789 {
1790 struct htmlpair tag;
1791 struct tag *t;
1792
1793 if (MDOC_BODY == n->type) {
1794 h->flags |= HTML_NOSPACE;
1795 print_text(h, "(");
1796 h->flags |= HTML_NOSPACE;
1797 return(1);
1798 } else if (MDOC_BLOCK == n->type) {
1799 synopsis_pre(h, n);
1800 return(1);
1801 }
1802
1803 /* XXX: we drop non-initial arguments as per groff. */
1804
1805 assert(n->child);
1806 assert(n->child->string);
1807
1808 PAIR_CLASS_INIT(&tag, "fname");
1809 t = print_otag(h, TAG_SPAN, 1, &tag);
1810 print_text(h, n->child->string);
1811 print_tagq(h, t);
1812 return(0);
1813 }
1814
1815
1816 /* ARGSUSED */
1817 static void
1818 mdoc_fo_post(MDOC_ARGS)
1819 {
1820
1821 if (MDOC_BODY != n->type)
1822 return;
1823 h->flags |= HTML_NOSPACE;
1824 print_text(h, ")");
1825 h->flags |= HTML_NOSPACE;
1826 print_text(h, ";");
1827 }
1828
1829
1830 /* ARGSUSED */
1831 static int
1832 mdoc_in_pre(MDOC_ARGS)
1833 {
1834 const struct mdoc_node *nn;
1835 struct tag *t;
1836 struct htmlpair tag[2];
1837 int i;
1838
1839 synopsis_pre(h, n);
1840
1841 PAIR_CLASS_INIT(&tag[0], "includes");
1842 print_otag(h, TAG_SPAN, 1, tag);
1843
1844 if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags)
1845 print_text(h, "#include");
1846
1847 print_text(h, "<");
1848 h->flags |= HTML_NOSPACE;
1849
1850 for (nn = n->child; nn; nn = nn->next) {
1851 PAIR_CLASS_INIT(&tag[0], "link-includes");
1852 i = 1;
1853 bufinit(h);
1854 if (h->base_includes) {
1855 buffmt_includes(h, nn->string);
1856 PAIR_HREF_INIT(&tag[i], h->buf);
1857 i++;
1858 }
1859 t = print_otag(h, TAG_A, i, tag);
1860 print_mdoc_node(m, nn, h);
1861 print_tagq(h, t);
1862 }
1863
1864 h->flags |= HTML_NOSPACE;
1865 print_text(h, ">");
1866
1867 return(0);
1868 }
1869
1870
1871 /* ARGSUSED */
1872 static int
1873 mdoc_ic_pre(MDOC_ARGS)
1874 {
1875 struct htmlpair tag;
1876
1877 PAIR_CLASS_INIT(&tag, "cmd");
1878 print_otag(h, TAG_SPAN, 1, &tag);
1879 return(1);
1880 }
1881
1882
1883 /* ARGSUSED */
1884 static int
1885 mdoc_rv_pre(MDOC_ARGS)
1886 {
1887 const struct mdoc_node *nn;
1888 struct htmlpair tag;
1889 struct tag *t;
1890
1891 print_otag(h, TAG_DIV, 0, NULL);
1892 print_text(h, "The");
1893
1894 for (nn = n->child; nn; nn = nn->next) {
1895 PAIR_CLASS_INIT(&tag, "fname");
1896 t = print_otag(h, TAG_SPAN, 1, &tag);
1897 print_text(h, nn->string);
1898 print_tagq(h, t);
1899
1900 h->flags |= HTML_NOSPACE;
1901 if (nn->next && NULL == nn->next->next)
1902 print_text(h, "(), and");
1903 else if (nn->next)
1904 print_text(h, "(),");
1905 else
1906 print_text(h, "()");
1907 }
1908
1909 if (n->child && n->child->next)
1910 print_text(h, "functions return");
1911 else
1912 print_text(h, "function returns");
1913
1914 print_text(h, "the value 0 if successful; otherwise the value "
1915 "-1 is returned and the global variable");
1916
1917 PAIR_CLASS_INIT(&tag, "var");
1918 t = print_otag(h, TAG_SPAN, 1, &tag);
1919 print_text(h, "errno");
1920 print_tagq(h, t);
1921 print_text(h, "is set to indicate the error.");
1922 return(0);
1923 }
1924
1925
1926 /* ARGSUSED */
1927 static int
1928 mdoc_va_pre(MDOC_ARGS)
1929 {
1930 struct htmlpair tag;
1931
1932 PAIR_CLASS_INIT(&tag, "var");
1933 print_otag(h, TAG_SPAN, 1, &tag);
1934 return(1);
1935 }
1936
1937
1938 /* ARGSUSED */
1939 static int
1940 mdoc_bq_pre(MDOC_ARGS)
1941 {
1942
1943 if (MDOC_BODY != n->type)
1944 return(1);
1945 print_text(h, "\\(lB");
1946 h->flags |= HTML_NOSPACE;
1947 return(1);
1948 }
1949
1950
1951 /* ARGSUSED */
1952 static void
1953 mdoc_bq_post(MDOC_ARGS)
1954 {
1955
1956 if (MDOC_BODY != n->type)
1957 return;
1958 h->flags |= HTML_NOSPACE;
1959 print_text(h, "\\(rB");
1960 }
1961
1962
1963 /* ARGSUSED */
1964 static int
1965 mdoc_ap_pre(MDOC_ARGS)
1966 {
1967
1968 h->flags |= HTML_NOSPACE;
1969 print_text(h, "\\(aq");
1970 h->flags |= HTML_NOSPACE;
1971 return(1);
1972 }
1973
1974
1975 /* ARGSUSED */
1976 static int
1977 mdoc_bf_pre(MDOC_ARGS)
1978 {
1979 int i;
1980 struct htmlpair tag[2];
1981 struct roffsu su;
1982
1983 if (MDOC_HEAD == n->type)
1984 return(0);
1985 else if (MDOC_BLOCK != n->type)
1986 return(1);
1987
1988 PAIR_CLASS_INIT(&tag[0], "lit");
1989
1990 if (n->head->child) {
1991 if ( ! strcmp("Em", n->head->child->string))
1992 PAIR_CLASS_INIT(&tag[0], "emph");
1993 else if ( ! strcmp("Sy", n->head->child->string))
1994 PAIR_CLASS_INIT(&tag[0], "symb");
1995 else if ( ! strcmp("Li", n->head->child->string))
1996 PAIR_CLASS_INIT(&tag[0], "lit");
1997 } else {
1998 for (i = 0; n->args && i < (int)n->args->argc; i++)
1999 switch (n->args->argv[i].arg) {
2000 case (MDOC_Symbolic):
2001 PAIR_CLASS_INIT(&tag[0], "symb");
2002 break;
2003 case (MDOC_Literal):
2004 PAIR_CLASS_INIT(&tag[0], "lit");
2005 break;
2006 case (MDOC_Emphasis):
2007 PAIR_CLASS_INIT(&tag[0], "emph");
2008 break;
2009 default:
2010 break;
2011 }
2012 }
2013
2014 /* FIXME: div's have spaces stripped--we want them. */
2015
2016 bufcat_style(h, "display", "inline");
2017 SCALE_HS_INIT(&su, 1);
2018 bufcat_su(h, "margin-right", &su);
2019 PAIR_STYLE_INIT(&tag[1], h);
2020 print_otag(h, TAG_DIV, 2, tag);
2021 return(1);
2022 }
2023
2024
2025 /* ARGSUSED */
2026 static int
2027 mdoc_ms_pre(MDOC_ARGS)
2028 {
2029 struct htmlpair tag;
2030
2031 PAIR_CLASS_INIT(&tag, "symb");
2032 print_otag(h, TAG_SPAN, 1, &tag);
2033 return(1);
2034 }
2035
2036
2037 /* ARGSUSED */
2038 static int
2039 mdoc_pf_pre(MDOC_ARGS)
2040 {
2041
2042 h->flags |= HTML_IGNDELIM;
2043 return(1);
2044 }
2045
2046
2047 /* ARGSUSED */
2048 static void
2049 mdoc_pf_post(MDOC_ARGS)
2050 {
2051
2052 h->flags &= ~HTML_IGNDELIM;
2053 h->flags |= HTML_NOSPACE;
2054 }
2055
2056
2057 /* ARGSUSED */
2058 static int
2059 mdoc_rs_pre(MDOC_ARGS)
2060 {
2061 struct htmlpair tag;
2062 struct roffsu su;
2063
2064 if (MDOC_BLOCK != n->type)
2065 return(1);
2066
2067 if (n->prev && SEC_SEE_ALSO == n->sec) {
2068 SCALE_VS_INIT(&su, 1);
2069 bufcat_su(h, "margin-top", &su);
2070 PAIR_STYLE_INIT(&tag, h);
2071 print_otag(h, TAG_DIV, 1, &tag);
2072 }
2073
2074 PAIR_CLASS_INIT(&tag, "ref");
2075 print_otag(h, TAG_SPAN, 1, &tag);
2076 return(1);
2077 }
2078
2079
2080
2081 /* ARGSUSED */
2082 static int
2083 mdoc_li_pre(MDOC_ARGS)
2084 {
2085 struct htmlpair tag;
2086
2087 PAIR_CLASS_INIT(&tag, "lit");
2088 print_otag(h, TAG_SPAN, 1, &tag);
2089 return(1);
2090 }
2091
2092
2093 /* ARGSUSED */
2094 static int
2095 mdoc_sy_pre(MDOC_ARGS)
2096 {
2097 struct htmlpair tag;
2098
2099 PAIR_CLASS_INIT(&tag, "symb");
2100 print_otag(h, TAG_SPAN, 1, &tag);
2101 return(1);
2102 }
2103
2104
2105 /* ARGSUSED */
2106 static int
2107 mdoc_bt_pre(MDOC_ARGS)
2108 {
2109
2110 print_text(h, "is currently in beta test.");
2111 return(0);
2112 }
2113
2114
2115 /* ARGSUSED */
2116 static int
2117 mdoc_ud_pre(MDOC_ARGS)
2118 {
2119
2120 print_text(h, "currently under development.");
2121 return(0);
2122 }
2123
2124
2125 /* ARGSUSED */
2126 static int
2127 mdoc_lb_pre(MDOC_ARGS)
2128 {
2129 struct htmlpair tag;
2130
2131 if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
2132 print_otag(h, TAG_DIV, 0, NULL);
2133 PAIR_CLASS_INIT(&tag, "lib");
2134 print_otag(h, TAG_SPAN, 1, &tag);
2135 return(1);
2136 }
2137
2138
2139 /* ARGSUSED */
2140 static int
2141 mdoc__x_pre(MDOC_ARGS)
2142 {
2143 struct htmlpair tag[2];
2144
2145 switch (n->tok) {
2146 case(MDOC__A):
2147 PAIR_CLASS_INIT(&tag[0], "ref-auth");
2148 break;
2149 case(MDOC__B):
2150 PAIR_CLASS_INIT(&tag[0], "ref-book");
2151 break;
2152 case(MDOC__C):
2153 PAIR_CLASS_INIT(&tag[0], "ref-city");
2154 break;
2155 case(MDOC__D):
2156 PAIR_CLASS_INIT(&tag[0], "ref-date");
2157 break;
2158 case(MDOC__I):
2159 PAIR_CLASS_INIT(&tag[0], "ref-issue");
2160 break;
2161 case(MDOC__J):
2162 PAIR_CLASS_INIT(&tag[0], "ref-jrnl");
2163 break;
2164 case(MDOC__N):
2165 PAIR_CLASS_INIT(&tag[0], "ref-num");
2166 break;
2167 case(MDOC__O):
2168 PAIR_CLASS_INIT(&tag[0], "ref-opt");
2169 break;
2170 case(MDOC__P):
2171 PAIR_CLASS_INIT(&tag[0], "ref-page");
2172 break;
2173 case(MDOC__Q):
2174 PAIR_CLASS_INIT(&tag[0], "ref-corp");
2175 break;
2176 case(MDOC__R):
2177 PAIR_CLASS_INIT(&tag[0], "ref-rep");
2178 break;
2179 case(MDOC__T):
2180 PAIR_CLASS_INIT(&tag[0], "ref-title");
2181 break;
2182 case(MDOC__U):
2183 PAIR_CLASS_INIT(&tag[0], "link-ref");
2184 break;
2185 case(MDOC__V):
2186 PAIR_CLASS_INIT(&tag[0], "ref-vol");
2187 break;
2188 default:
2189 abort();
2190 /* NOTREACHED */
2191 }
2192
2193 if (MDOC__U != n->tok) {
2194 print_otag(h, TAG_SPAN, 1, tag);
2195 return(1);
2196 }
2197
2198 PAIR_HREF_INIT(&tag[1], n->child->string);
2199 print_otag(h, TAG_A, 2, tag);
2200 return(1);
2201 }
2202
2203
2204 /* ARGSUSED */
2205 static void
2206 mdoc__x_post(MDOC_ARGS)
2207 {
2208
2209 /* TODO: %U */
2210
2211 h->flags |= HTML_NOSPACE;
2212 print_text(h, n->next ? "," : ".");
2213 }
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