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Added `%U' to -mdoc (doesn't render in a nice way yet).
[mandoc.git] / mdoc_term.c
1 /* $Id: mdoc_term.c,v 1.95 2009/10/24 05:52:14 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 #include <sys/types.h>
18
19 #include <assert.h>
20 #include <ctype.h>
21 #include <err.h>
22 #include <stdio.h>
23 #include <stdlib.h>
24 #include <string.h>
25
26 #include "out.h"
27 #include "term.h"
28 #include "mdoc.h"
29 #include "chars.h"
30 #include "main.h"
31
32 #define INDENT 5
33 #define HALFINDENT 3
34
35 struct termpair {
36 struct termpair *ppair;
37 int flag;
38 int count;
39 };
40
41 #define DECL_ARGS struct termp *p, \
42 struct termpair *pair, \
43 const struct mdoc_meta *m, \
44 const struct mdoc_node *n
45
46 struct termact {
47 int (*pre)(DECL_ARGS);
48 void (*post)(DECL_ARGS);
49 };
50
51 static void termp____post(DECL_ARGS);
52 static void termp_an_post(DECL_ARGS);
53 static void termp_aq_post(DECL_ARGS);
54 static void termp_bd_post(DECL_ARGS);
55 static void termp_bl_post(DECL_ARGS);
56 static void termp_bq_post(DECL_ARGS);
57 static void termp_brq_post(DECL_ARGS);
58 static void termp_bx_post(DECL_ARGS);
59 static void termp_d1_post(DECL_ARGS);
60 static void termp_dq_post(DECL_ARGS);
61 static void termp_fd_post(DECL_ARGS);
62 static void termp_fn_post(DECL_ARGS);
63 static void termp_fo_post(DECL_ARGS);
64 static void termp_ft_post(DECL_ARGS);
65 static void termp_in_post(DECL_ARGS);
66 static void termp_it_post(DECL_ARGS);
67 static void termp_lb_post(DECL_ARGS);
68 static void termp_op_post(DECL_ARGS);
69 static void termp_pf_post(DECL_ARGS);
70 static void termp_pq_post(DECL_ARGS);
71 static void termp_qq_post(DECL_ARGS);
72 static void termp_sh_post(DECL_ARGS);
73 static void termp_sq_post(DECL_ARGS);
74 static void termp_ss_post(DECL_ARGS);
75 static void termp_vt_post(DECL_ARGS);
76
77 static int termp__t_pre(DECL_ARGS);
78 static int termp_an_pre(DECL_ARGS);
79 static int termp_ap_pre(DECL_ARGS);
80 static int termp_aq_pre(DECL_ARGS);
81 static int termp_bd_pre(DECL_ARGS);
82 static int termp_bf_pre(DECL_ARGS);
83 static int termp_bold_pre(DECL_ARGS);
84 static int termp_bq_pre(DECL_ARGS);
85 static int termp_brq_pre(DECL_ARGS);
86 static int termp_bt_pre(DECL_ARGS);
87 static int termp_cd_pre(DECL_ARGS);
88 static int termp_d1_pre(DECL_ARGS);
89 static int termp_dq_pre(DECL_ARGS);
90 static int termp_ex_pre(DECL_ARGS);
91 static int termp_fa_pre(DECL_ARGS);
92 static int termp_fl_pre(DECL_ARGS);
93 static int termp_fn_pre(DECL_ARGS);
94 static int termp_fo_pre(DECL_ARGS);
95 static int termp_ft_pre(DECL_ARGS);
96 static int termp_in_pre(DECL_ARGS);
97 static int termp_it_pre(DECL_ARGS);
98 static int termp_lk_pre(DECL_ARGS);
99 static int termp_nd_pre(DECL_ARGS);
100 static int termp_nm_pre(DECL_ARGS);
101 static int termp_ns_pre(DECL_ARGS);
102 static int termp_op_pre(DECL_ARGS);
103 static int termp_pf_pre(DECL_ARGS);
104 static int termp_pq_pre(DECL_ARGS);
105 static int termp_qq_pre(DECL_ARGS);
106 static int termp_rs_pre(DECL_ARGS);
107 static int termp_rv_pre(DECL_ARGS);
108 static int termp_sh_pre(DECL_ARGS);
109 static int termp_sm_pre(DECL_ARGS);
110 static int termp_sp_pre(DECL_ARGS);
111 static int termp_sq_pre(DECL_ARGS);
112 static int termp_ss_pre(DECL_ARGS);
113 static int termp_under_pre(DECL_ARGS);
114 static int termp_ud_pre(DECL_ARGS);
115 static int termp_xr_pre(DECL_ARGS);
116 static int termp_xx_pre(DECL_ARGS);
117
118 static const struct termact termacts[MDOC_MAX] = {
119 { termp_ap_pre, NULL }, /* Ap */
120 { NULL, NULL }, /* Dd */
121 { NULL, NULL }, /* Dt */
122 { NULL, NULL }, /* Os */
123 { termp_sh_pre, termp_sh_post }, /* Sh */
124 { termp_ss_pre, termp_ss_post }, /* Ss */
125 { termp_sp_pre, NULL }, /* Pp */
126 { termp_d1_pre, termp_d1_post }, /* D1 */
127 { termp_d1_pre, termp_d1_post }, /* Dl */
128 { termp_bd_pre, termp_bd_post }, /* Bd */
129 { NULL, NULL }, /* Ed */
130 { NULL, termp_bl_post }, /* Bl */
131 { NULL, NULL }, /* El */
132 { termp_it_pre, termp_it_post }, /* It */
133 { NULL, NULL }, /* Ad */
134 { termp_an_pre, termp_an_post }, /* An */
135 { termp_under_pre, NULL }, /* Ar */
136 { termp_cd_pre, NULL }, /* Cd */
137 { termp_bold_pre, NULL }, /* Cm */
138 { NULL, NULL }, /* Dv */
139 { NULL, NULL }, /* Er */
140 { NULL, NULL }, /* Ev */
141 { termp_ex_pre, NULL }, /* Ex */
142 { termp_fa_pre, NULL }, /* Fa */
143 { termp_bold_pre, termp_fd_post }, /* Fd */
144 { termp_fl_pre, NULL }, /* Fl */
145 { termp_fn_pre, termp_fn_post }, /* Fn */
146 { termp_ft_pre, termp_ft_post }, /* Ft */
147 { termp_bold_pre, NULL }, /* Ic */
148 { termp_in_pre, termp_in_post }, /* In */
149 { NULL, NULL }, /* Li */
150 { termp_nd_pre, NULL }, /* Nd */
151 { termp_nm_pre, NULL }, /* Nm */
152 { termp_op_pre, termp_op_post }, /* Op */
153 { NULL, NULL }, /* Ot */
154 { termp_under_pre, NULL }, /* Pa */
155 { termp_rv_pre, NULL }, /* Rv */
156 { NULL, NULL }, /* St */
157 { termp_under_pre, NULL }, /* Va */
158 { termp_under_pre, termp_vt_post }, /* Vt */
159 { termp_xr_pre, NULL }, /* Xr */
160 { NULL, termp____post }, /* %A */
161 { termp_under_pre, termp____post }, /* %B */
162 { NULL, termp____post }, /* %D */
163 { termp_under_pre, termp____post }, /* %I */
164 { termp_under_pre, termp____post }, /* %J */
165 { NULL, termp____post }, /* %N */
166 { NULL, termp____post }, /* %O */
167 { NULL, termp____post }, /* %P */
168 { NULL, termp____post }, /* %R */
169 { termp__t_pre, termp____post }, /* %T */
170 { NULL, termp____post }, /* %V */
171 { NULL, NULL }, /* Ac */
172 { termp_aq_pre, termp_aq_post }, /* Ao */
173 { termp_aq_pre, termp_aq_post }, /* Aq */
174 { NULL, NULL }, /* At */
175 { NULL, NULL }, /* Bc */
176 { termp_bf_pre, NULL }, /* Bf */
177 { termp_bq_pre, termp_bq_post }, /* Bo */
178 { termp_bq_pre, termp_bq_post }, /* Bq */
179 { termp_xx_pre, NULL }, /* Bsx */
180 { NULL, termp_bx_post }, /* Bx */
181 { NULL, NULL }, /* Db */
182 { NULL, NULL }, /* Dc */
183 { termp_dq_pre, termp_dq_post }, /* Do */
184 { termp_dq_pre, termp_dq_post }, /* Dq */
185 { NULL, NULL }, /* Ec */
186 { NULL, NULL }, /* Ef */
187 { termp_under_pre, NULL }, /* Em */
188 { NULL, NULL }, /* Eo */
189 { termp_xx_pre, NULL }, /* Fx */
190 { termp_bold_pre, NULL }, /* Ms */ /* FIXME: convert to symbol? */
191 { NULL, NULL }, /* No */
192 { termp_ns_pre, NULL }, /* Ns */
193 { termp_xx_pre, NULL }, /* Nx */
194 { termp_xx_pre, NULL }, /* Ox */
195 { NULL, NULL }, /* Pc */
196 { termp_pf_pre, termp_pf_post }, /* Pf */
197 { termp_pq_pre, termp_pq_post }, /* Po */
198 { termp_pq_pre, termp_pq_post }, /* Pq */
199 { NULL, NULL }, /* Qc */
200 { termp_sq_pre, termp_sq_post }, /* Ql */
201 { termp_qq_pre, termp_qq_post }, /* Qo */
202 { termp_qq_pre, termp_qq_post }, /* Qq */
203 { NULL, NULL }, /* Re */
204 { termp_rs_pre, NULL }, /* Rs */
205 { NULL, NULL }, /* Sc */
206 { termp_sq_pre, termp_sq_post }, /* So */
207 { termp_sq_pre, termp_sq_post }, /* Sq */
208 { termp_sm_pre, NULL }, /* Sm */
209 { termp_under_pre, NULL }, /* Sx */
210 { termp_bold_pre, NULL }, /* Sy */
211 { NULL, NULL }, /* Tn */
212 { termp_xx_pre, NULL }, /* Ux */
213 { NULL, NULL }, /* Xc */
214 { NULL, NULL }, /* Xo */
215 { termp_fo_pre, termp_fo_post }, /* Fo */
216 { NULL, NULL }, /* Fc */
217 { termp_op_pre, termp_op_post }, /* Oo */
218 { NULL, NULL }, /* Oc */
219 { NULL, NULL }, /* Bk */
220 { NULL, NULL }, /* Ek */
221 { termp_bt_pre, NULL }, /* Bt */
222 { NULL, NULL }, /* Hf */
223 { NULL, NULL }, /* Fr */
224 { termp_ud_pre, NULL }, /* Ud */
225 { NULL, termp_lb_post }, /* Lb */
226 { termp_sp_pre, NULL }, /* Lp */
227 { termp_lk_pre, NULL }, /* Lk */
228 { termp_under_pre, NULL }, /* Mt */
229 { termp_brq_pre, termp_brq_post }, /* Brq */
230 { termp_brq_pre, termp_brq_post }, /* Bro */
231 { NULL, NULL }, /* Brc */
232 { NULL, termp____post }, /* %C */
233 { NULL, NULL }, /* Es */ /* TODO */
234 { NULL, NULL }, /* En */ /* TODO */
235 { termp_xx_pre, NULL }, /* Dx */
236 { NULL, termp____post }, /* %Q */
237 { termp_sp_pre, NULL }, /* br */
238 { termp_sp_pre, NULL }, /* sp */
239 { NULL, termp____post }, /* %U */
240 };
241
242 #ifdef __linux__
243 extern size_t strlcpy(char *, const char *, size_t);
244 extern size_t strlcat(char *, const char *, size_t);
245 #endif
246
247 static size_t arg2width(const struct mdoc_argv *, int);
248 static size_t arg2height(const struct mdoc_node *);
249 static size_t arg2offs(const struct mdoc_argv *);
250
251 static int arg_hasattr(int, const struct mdoc_node *);
252 static int arg_getattrs(const int *, int *, size_t,
253 const struct mdoc_node *);
254 static int arg_getattr(int, const struct mdoc_node *);
255 static int arg_listtype(const struct mdoc_node *);
256 static void print_bvspace(struct termp *,
257 const struct mdoc_node *,
258 const struct mdoc_node *);
259 static void print_node(DECL_ARGS);
260 static void print_head(DECL_ARGS);
261 static void print_body(DECL_ARGS);
262 static void print_foot(DECL_ARGS);
263
264
265 void
266 terminal_mdoc(void *arg, const struct mdoc *mdoc)
267 {
268 const struct mdoc_node *n;
269 const struct mdoc_meta *m;
270 struct termp *p;
271
272 p = (struct termp *)arg;
273
274 if (NULL == p->symtab)
275 switch (p->enc) {
276 case (TERMENC_ASCII):
277 p->symtab = chars_init(CHARS_ASCII);
278 break;
279 default:
280 abort();
281 /* NOTREACHED */
282 }
283
284 n = mdoc_node(mdoc);
285 m = mdoc_meta(mdoc);
286
287 print_head(p, NULL, m, n);
288 if (n->child)
289 print_body(p, NULL, m, n->child);
290 print_foot(p, NULL, m, n);
291 }
292
293
294 static void
295 print_body(DECL_ARGS)
296 {
297
298 print_node(p, pair, m, n);
299 if (n->next)
300 print_body(p, pair, m, n->next);
301 }
302
303
304 /* ARGSUSED */
305 static void
306 print_node(DECL_ARGS)
307 {
308 int chld, bold, under;
309 struct termpair npair;
310 size_t offset, rmargin;
311
312 chld = 1;
313 offset = p->offset;
314 rmargin = p->rmargin;
315 bold = p->bold;
316 under = p->under;
317
318 bzero(&npair, sizeof(struct termpair));
319 npair.ppair = pair;
320
321 if (MDOC_TEXT != n->type) {
322 if (termacts[n->tok].pre)
323 chld = (*termacts[n->tok].pre)(p, &npair, m, n);
324 } else
325 term_word(p, n->string);
326 if (chld && n->child)
327 print_body(p, &npair, m, n->child);
328
329 /*
330 * XXX - if bold/under were to span scopes, this wouldn't be
331 * possible, but because decoration is always in-scope, we can
332 * get away with this.
333 */
334
335 p->bold = bold;
336 p->under = under;
337
338 if (MDOC_TEXT != n->type)
339 if (termacts[n->tok].post)
340 (*termacts[n->tok].post)(p, &npair, m, n);
341
342 p->offset = offset;
343 p->rmargin = rmargin;
344 }
345
346
347 /* ARGSUSED */
348 static void
349 print_foot(DECL_ARGS)
350 {
351 char buf[DATESIZ];
352 char *os;
353
354 /*
355 * Output the footer in new-groff style, that is, three columns
356 * with the middle being the manual date and flanking columns
357 * being the operating system:
358 *
359 * SYSTEM DATE SYSTEM
360 */
361
362 if (NULL == (os = malloc(p->rmargin)))
363 err(EXIT_FAILURE, "malloc");
364
365 time2a(m->date, buf, DATESIZ);
366
367 (void)strlcpy(os, m->os, p->rmargin);
368
369 term_vspace(p);
370
371 p->offset = 0;
372 p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
373 p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
374
375 term_word(p, os);
376 term_flushln(p);
377
378 p->offset = p->rmargin;
379 p->rmargin = p->maxrmargin - strlen(os);
380 p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
381
382 term_word(p, buf);
383 term_flushln(p);
384
385 p->offset = p->rmargin;
386 p->rmargin = p->maxrmargin;
387 p->flags &= ~TERMP_NOBREAK;
388 p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
389
390 term_word(p, os);
391 term_flushln(p);
392
393 p->offset = 0;
394 p->rmargin = p->maxrmargin;
395 p->flags = 0;
396
397 free(os);
398 }
399
400
401 /* FIXME: put in utility library. */
402 /* ARGSUSED */
403 static void
404 print_head(DECL_ARGS)
405 {
406 char *buf, *title;
407
408 p->rmargin = p->maxrmargin;
409 p->offset = 0;
410
411 if (NULL == (buf = malloc(p->rmargin)))
412 err(EXIT_FAILURE, "malloc");
413 if (NULL == (title = malloc(p->rmargin)))
414 err(EXIT_FAILURE, "malloc");
415
416 /*
417 * The header is strange. It has three components, which are
418 * really two with the first duplicated. It goes like this:
419 *
420 * IDENTIFIER TITLE IDENTIFIER
421 *
422 * The IDENTIFIER is NAME(SECTION), which is the command-name
423 * (if given, or "unknown" if not) followed by the manual page
424 * section. These are given in `Dt'. The TITLE is a free-form
425 * string depending on the manual volume. If not specified, it
426 * switches on the manual section.
427 */
428
429 assert(m->vol);
430 (void)strlcpy(buf, m->vol, p->rmargin);
431
432 if (m->arch) {
433 (void)strlcat(buf, " (", p->rmargin);
434 (void)strlcat(buf, m->arch, p->rmargin);
435 (void)strlcat(buf, ")", p->rmargin);
436 }
437
438 snprintf(title, p->rmargin, "%s(%d)", m->title, m->msec);
439
440 p->offset = 0;
441 p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
442 p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
443
444 term_word(p, title);
445 term_flushln(p);
446
447 p->offset = p->rmargin;
448 p->rmargin = p->maxrmargin - strlen(title);
449 p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
450
451 term_word(p, buf);
452 term_flushln(p);
453
454 p->offset = p->rmargin;
455 p->rmargin = p->maxrmargin;
456 p->flags &= ~TERMP_NOBREAK;
457 p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
458
459 term_word(p, title);
460 term_flushln(p);
461
462 p->offset = 0;
463 p->rmargin = p->maxrmargin;
464 p->flags &= ~TERMP_NOSPACE;
465
466 free(title);
467 free(buf);
468 }
469
470
471 static size_t
472 arg2height(const struct mdoc_node *n)
473 {
474 struct roffsu su;
475
476 assert(MDOC_TEXT == n->type);
477 assert(n->string);
478 if ( ! a2roffsu(n->string, &su, SCALE_VS))
479 SCALE_VS_INIT(&su, strlen(n->string));
480
481 return(term_vspan(&su));
482 }
483
484
485 static size_t
486 arg2width(const struct mdoc_argv *arg, int pos)
487 {
488 struct roffsu su;
489
490 assert(arg->value[pos]);
491 if ( ! a2roffsu(arg->value[pos], &su, SCALE_MAX))
492 SCALE_HS_INIT(&su, strlen(arg->value[pos]));
493
494 /* XXX: pachemu? */
495 return(term_hspan(&su) + 2);
496 }
497
498
499 static int
500 arg_listtype(const struct mdoc_node *n)
501 {
502 int i, len;
503
504 assert(MDOC_BLOCK == n->type);
505
506 len = (int)(n->args ? n->args->argc : 0);
507
508 for (i = 0; i < len; i++)
509 switch (n->args->argv[i].arg) {
510 case (MDOC_Bullet):
511 /* FALLTHROUGH */
512 case (MDOC_Dash):
513 /* FALLTHROUGH */
514 case (MDOC_Enum):
515 /* FALLTHROUGH */
516 case (MDOC_Hyphen):
517 /* FALLTHROUGH */
518 case (MDOC_Tag):
519 /* FALLTHROUGH */
520 case (MDOC_Inset):
521 /* FALLTHROUGH */
522 case (MDOC_Diag):
523 /* FALLTHROUGH */
524 case (MDOC_Item):
525 /* FALLTHROUGH */
526 case (MDOC_Column):
527 /* FALLTHROUGH */
528 case (MDOC_Hang):
529 /* FALLTHROUGH */
530 case (MDOC_Ohang):
531 return(n->args->argv[i].arg);
532 default:
533 break;
534 }
535
536 return(-1);
537 }
538
539
540 static size_t
541 arg2offs(const struct mdoc_argv *arg)
542 {
543 struct roffsu su;
544
545 if ('\0' == arg->value[0][0])
546 return(0);
547 else if (0 == strcmp(arg->value[0], "left"))
548 return(0);
549 else if (0 == strcmp(arg->value[0], "indent"))
550 return(INDENT + 1);
551 else if (0 == strcmp(arg->value[0], "indent-two"))
552 return((INDENT + 1) * 2);
553 else if ( ! a2roffsu(arg->value[0], &su, SCALE_MAX))
554 SCALE_HS_INIT(&su, strlen(arg->value[0]));
555
556 return(term_hspan(&su));
557 }
558
559
560 static int
561 arg_hasattr(int arg, const struct mdoc_node *n)
562 {
563
564 return(-1 != arg_getattr(arg, n));
565 }
566
567
568 static int
569 arg_getattr(int v, const struct mdoc_node *n)
570 {
571 int val;
572
573 return(arg_getattrs(&v, &val, 1, n) ? val : -1);
574 }
575
576
577 static int
578 arg_getattrs(const int *keys, int *vals,
579 size_t sz, const struct mdoc_node *n)
580 {
581 int i, j, k;
582
583 if (NULL == n->args)
584 return(0);
585
586 for (k = i = 0; i < (int)n->args->argc; i++)
587 for (j = 0; j < (int)sz; j++)
588 if (n->args->argv[i].arg == keys[j]) {
589 vals[j] = i;
590 k++;
591 }
592 return(k);
593 }
594
595
596 static void
597 print_bvspace(struct termp *p,
598 const struct mdoc_node *bl,
599 const struct mdoc_node *n)
600 {
601 const struct mdoc_node *nn;
602
603 term_newln(p);
604 if (arg_hasattr(MDOC_Compact, bl))
605 return;
606
607 /* Do not vspace directly after Ss/Sh. */
608
609 for (nn = n; nn; nn = nn->parent) {
610 if (MDOC_BLOCK != nn->type)
611 continue;
612 if (MDOC_Ss == nn->tok)
613 return;
614 if (MDOC_Sh == nn->tok)
615 return;
616 if (NULL == nn->prev)
617 continue;
618 break;
619 }
620
621 /* A `-column' does not assert vspace within the list. */
622
623 if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Column, bl))
624 if (n->prev && MDOC_It == n->prev->tok)
625 return;
626
627 /* A `-diag' without body does not vspace. */
628
629 if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Diag, bl))
630 if (n->prev && MDOC_It == n->prev->tok) {
631 assert(n->prev->body);
632 if (NULL == n->prev->body->child)
633 return;
634 }
635
636 term_vspace(p);
637 }
638
639
640 /* ARGSUSED */
641 static int
642 termp_dq_pre(DECL_ARGS)
643 {
644
645 if (MDOC_BODY != n->type)
646 return(1);
647
648 term_word(p, "\\(lq");
649 p->flags |= TERMP_NOSPACE;
650 return(1);
651 }
652
653
654 /* ARGSUSED */
655 static void
656 termp_dq_post(DECL_ARGS)
657 {
658
659 if (MDOC_BODY != n->type)
660 return;
661
662 p->flags |= TERMP_NOSPACE;
663 term_word(p, "\\(rq");
664 }
665
666
667 /* ARGSUSED */
668 static int
669 termp_it_pre(DECL_ARGS)
670 {
671 const struct mdoc_node *bl, *nn;
672 char buf[7];
673 int i, type, keys[3], vals[3];
674 size_t width, offset;
675
676 if (MDOC_BLOCK == n->type) {
677 print_bvspace(p, n->parent->parent, n);
678 return(1);
679 }
680
681 bl = n->parent->parent->parent;
682
683 /* Save parent attributes. */
684
685 pair->flag = p->flags;
686
687 /* Get list width and offset. */
688
689 keys[0] = MDOC_Width;
690 keys[1] = MDOC_Offset;
691 keys[2] = MDOC_Column;
692
693 vals[0] = vals[1] = vals[2] = -1;
694
695 width = offset = 0;
696
697 (void)arg_getattrs(keys, vals, 3, bl);
698
699 type = arg_listtype(bl);
700 assert(-1 != type);
701
702 /* Calculate real width and offset. */
703
704 switch (type) {
705 case (MDOC_Column):
706 if (MDOC_BODY == n->type)
707 break;
708 /*
709 * Work around groff's column handling. The offset is
710 * equal to the sum of all widths leading to the current
711 * column (plus the -offset value). If this column
712 * exceeds the stated number of columns, the width is
713 * set as 0, else it's the stated column width (later
714 * the 0 will be adjusted to default 10 or, if in the
715 * last column case, set to stretch to the margin).
716 */
717 for (i = 0, nn = n->prev; nn &&
718 i < (int)bl->args->argv[vals[2]].sz;
719 nn = nn->prev, i++)
720 offset += arg2width
721 (&bl->args->argv[vals[2]], i);
722
723 /* Whether exceeds maximum column. */
724 if (i < (int)bl->args->argv[vals[2]].sz)
725 width = arg2width(&bl->args->argv[vals[2]], i);
726 else
727 width = 0;
728
729 if (vals[1] >= 0)
730 offset += arg2offs(&bl->args->argv[vals[1]]);
731 break;
732 default:
733 if (vals[0] >= 0)
734 width = arg2width(&bl->args->argv[vals[0]], 0);
735 if (vals[1] >= 0)
736 offset += arg2offs(&bl->args->argv[vals[1]]);
737 break;
738 }
739
740 /*
741 * List-type can override the width in the case of fixed-head
742 * values (bullet, dash/hyphen, enum). Tags need a non-zero
743 * offset.
744 */
745
746 switch (type) {
747 case (MDOC_Bullet):
748 /* FALLTHROUGH */
749 case (MDOC_Dash):
750 /* FALLTHROUGH */
751 case (MDOC_Hyphen):
752 if (width < 4)
753 width = 4;
754 break;
755 case (MDOC_Enum):
756 if (width < 5)
757 width = 5;
758 break;
759 case (MDOC_Hang):
760 if (0 == width)
761 width = 8;
762 break;
763 case (MDOC_Column):
764 /* FALLTHROUGH */
765 case (MDOC_Tag):
766 if (0 == width)
767 width = 10;
768 break;
769 default:
770 break;
771 }
772
773 /*
774 * Whitespace control. Inset bodies need an initial space,
775 * while diagonal bodies need two.
776 */
777
778 p->flags |= TERMP_NOSPACE;
779
780 switch (type) {
781 case (MDOC_Diag):
782 if (MDOC_BODY == n->type)
783 term_word(p, "\\ \\ ");
784 break;
785 case (MDOC_Inset):
786 if (MDOC_BODY == n->type)
787 term_word(p, "\\ ");
788 break;
789 default:
790 break;
791 }
792
793 p->flags |= TERMP_NOSPACE;
794
795 switch (type) {
796 case (MDOC_Diag):
797 if (MDOC_HEAD == n->type)
798 p->bold++;
799 break;
800 default:
801 break;
802 }
803
804 /*
805 * Pad and break control. This is the tricker part. Lists with
806 * set right-margins for the head get TERMP_NOBREAK because, if
807 * they overrun the margin, they wrap to the new margin.
808 * Correspondingly, the body for these types don't left-pad, as
809 * the head will pad out to to the right.
810 */
811
812 switch (type) {
813 case (MDOC_Bullet):
814 /* FALLTHROUGH */
815 case (MDOC_Dash):
816 /* FALLTHROUGH */
817 case (MDOC_Enum):
818 /* FALLTHROUGH */
819 case (MDOC_Hyphen):
820 if (MDOC_HEAD == n->type)
821 p->flags |= TERMP_NOBREAK;
822 else
823 p->flags |= TERMP_NOLPAD;
824 break;
825 case (MDOC_Hang):
826 if (MDOC_HEAD == n->type)
827 p->flags |= TERMP_NOBREAK;
828 else
829 p->flags |= TERMP_NOLPAD;
830
831 if (MDOC_HEAD != n->type)
832 break;
833
834 /*
835 * This is ugly. If `-hang' is specified and the body
836 * is a `Bl' or `Bd', then we want basically to nullify
837 * the "overstep" effect in term_flushln() and treat
838 * this as a `-ohang' list instead.
839 */
840 if (n->next->child &&
841 (MDOC_Bl == n->next->child->tok ||
842 MDOC_Bd == n->next->child->tok)) {
843 p->flags &= ~TERMP_NOBREAK;
844 p->flags &= ~TERMP_NOLPAD;
845 } else
846 p->flags |= TERMP_HANG;
847 break;
848 case (MDOC_Tag):
849 if (MDOC_HEAD == n->type)
850 p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
851 else
852 p->flags |= TERMP_NOLPAD;
853
854 if (MDOC_HEAD != n->type)
855 break;
856 if (NULL == n->next || NULL == n->next->child)
857 p->flags |= TERMP_DANGLE;
858 break;
859 case (MDOC_Column):
860 if (MDOC_HEAD == n->type) {
861 assert(n->next);
862 if (MDOC_BODY == n->next->type)
863 p->flags &= ~TERMP_NOBREAK;
864 else
865 p->flags |= TERMP_NOBREAK;
866 if (n->prev)
867 p->flags |= TERMP_NOLPAD;
868 }
869 break;
870 case (MDOC_Diag):
871 if (MDOC_HEAD == n->type)
872 p->flags |= TERMP_NOBREAK;
873 break;
874 default:
875 break;
876 }
877
878 /*
879 * Margin control. Set-head-width lists have their right
880 * margins shortened. The body for these lists has the offset
881 * necessarily lengthened. Everybody gets the offset.
882 */
883
884 p->offset += offset;
885
886 switch (type) {
887 case (MDOC_Hang):
888 /*
889 * Same stipulation as above, regarding `-hang'. We
890 * don't want to recalculate rmargin and offsets when
891 * using `Bd' or `Bl' within `-hang' overstep lists.
892 */
893 if (MDOC_HEAD == n->type && n->next->child &&
894 (MDOC_Bl == n->next->child->tok ||
895 MDOC_Bd == n->next->child->tok))
896 break;
897 /* FALLTHROUGH */
898 case (MDOC_Bullet):
899 /* FALLTHROUGH */
900 case (MDOC_Dash):
901 /* FALLTHROUGH */
902 case (MDOC_Enum):
903 /* FALLTHROUGH */
904 case (MDOC_Hyphen):
905 /* FALLTHROUGH */
906 case (MDOC_Tag):
907 assert(width);
908 if (MDOC_HEAD == n->type)
909 p->rmargin = p->offset + width;
910 else
911 p->offset += width;
912 break;
913 case (MDOC_Column):
914 assert(width);
915 p->rmargin = p->offset + width;
916 /*
917 * XXX - this behaviour is not documented: the
918 * right-most column is filled to the right margin.
919 */
920 if (MDOC_HEAD == n->type &&
921 MDOC_BODY == n->next->type)
922 p->rmargin = p->maxrmargin;
923 break;
924 default:
925 break;
926 }
927
928 /*
929 * The dash, hyphen, bullet and enum lists all have a special
930 * HEAD character (temporarily bold, in some cases).
931 */
932
933 if (MDOC_HEAD == n->type)
934 switch (type) {
935 case (MDOC_Bullet):
936 p->bold++;
937 term_word(p, "\\[bu]");
938 p->bold--;
939 break;
940 case (MDOC_Dash):
941 /* FALLTHROUGH */
942 case (MDOC_Hyphen):
943 p->bold++;
944 term_word(p, "\\(hy");
945 p->bold--;
946 break;
947 case (MDOC_Enum):
948 (pair->ppair->ppair->count)++;
949 (void)snprintf(buf, sizeof(buf), "%d.",
950 pair->ppair->ppair->count);
951 term_word(p, buf);
952 break;
953 default:
954 break;
955 }
956
957 /*
958 * If we're not going to process our children, indicate so here.
959 */
960
961 switch (type) {
962 case (MDOC_Bullet):
963 /* FALLTHROUGH */
964 case (MDOC_Item):
965 /* FALLTHROUGH */
966 case (MDOC_Dash):
967 /* FALLTHROUGH */
968 case (MDOC_Hyphen):
969 /* FALLTHROUGH */
970 case (MDOC_Enum):
971 if (MDOC_HEAD == n->type)
972 return(0);
973 break;
974 case (MDOC_Column):
975 if (MDOC_BODY == n->type)
976 return(0);
977 break;
978 default:
979 break;
980 }
981
982 return(1);
983 }
984
985
986 /* ARGSUSED */
987 static void
988 termp_it_post(DECL_ARGS)
989 {
990 int type;
991
992 if (MDOC_BODY != n->type && MDOC_HEAD != n->type)
993 return;
994
995 type = arg_listtype(n->parent->parent->parent);
996 assert(-1 != type);
997
998 switch (type) {
999 case (MDOC_Item):
1000 /* FALLTHROUGH */
1001 case (MDOC_Diag):
1002 /* FALLTHROUGH */
1003 case (MDOC_Inset):
1004 if (MDOC_BODY == n->type)
1005 term_flushln(p);
1006 break;
1007 case (MDOC_Column):
1008 if (MDOC_HEAD == n->type)
1009 term_flushln(p);
1010 break;
1011 default:
1012 term_flushln(p);
1013 break;
1014 }
1015
1016 p->flags = pair->flag;
1017 }
1018
1019
1020 /* ARGSUSED */
1021 static int
1022 termp_nm_pre(DECL_ARGS)
1023 {
1024
1025 if (SEC_SYNOPSIS == n->sec)
1026 term_newln(p);
1027 p->bold++;
1028 if (NULL == n->child)
1029 term_word(p, m->name);
1030 return(1);
1031 }
1032
1033
1034 /* ARGSUSED */
1035 static int
1036 termp_fl_pre(DECL_ARGS)
1037 {
1038
1039 p->bold++;
1040 term_word(p, "\\-");
1041 p->flags |= TERMP_NOSPACE;
1042 return(1);
1043 }
1044
1045
1046 /* ARGSUSED */
1047 static int
1048 termp_an_pre(DECL_ARGS)
1049 {
1050
1051 if (NULL == n->child)
1052 return(1);
1053
1054 /*
1055 * If not in the AUTHORS section, `An -split' will cause
1056 * newlines to occur before the author name. If in the AUTHORS
1057 * section, by default, the first `An' invocation is nosplit,
1058 * then all subsequent ones, regardless of whether interspersed
1059 * with other macros/text, are split. -split, in this case,
1060 * will override the condition of the implied first -nosplit.
1061 */
1062
1063 if (n->sec == SEC_AUTHORS) {
1064 if ( ! (TERMP_ANPREC & p->flags)) {
1065 if (TERMP_SPLIT & p->flags)
1066 term_newln(p);
1067 return(1);
1068 }
1069 if (TERMP_NOSPLIT & p->flags)
1070 return(1);
1071 term_newln(p);
1072 return(1);
1073 }
1074
1075 if (TERMP_SPLIT & p->flags)
1076 term_newln(p);
1077
1078 return(1);
1079 }
1080
1081
1082 /* ARGSUSED */
1083 static void
1084 termp_an_post(DECL_ARGS)
1085 {
1086
1087 if (n->child) {
1088 if (SEC_AUTHORS == n->sec)
1089 p->flags |= TERMP_ANPREC;
1090 return;
1091 }
1092
1093 if (arg_getattr(MDOC_Split, n) > -1) {
1094 p->flags &= ~TERMP_NOSPLIT;
1095 p->flags |= TERMP_SPLIT;
1096 } else {
1097 p->flags &= ~TERMP_SPLIT;
1098 p->flags |= TERMP_NOSPLIT;
1099 }
1100
1101 }
1102
1103
1104 /* ARGSUSED */
1105 static int
1106 termp_ns_pre(DECL_ARGS)
1107 {
1108
1109 p->flags |= TERMP_NOSPACE;
1110 return(1);
1111 }
1112
1113
1114 /* ARGSUSED */
1115 static int
1116 termp_rs_pre(DECL_ARGS)
1117 {
1118
1119 if (SEC_SEE_ALSO != n->sec)
1120 return(1);
1121 if (MDOC_BLOCK == n->type && n->prev)
1122 term_vspace(p);
1123 return(1);
1124 }
1125
1126
1127 /* ARGSUSED */
1128 static int
1129 termp_rv_pre(DECL_ARGS)
1130 {
1131 const struct mdoc_node *nn;
1132
1133 term_newln(p);
1134 term_word(p, "The");
1135
1136 for (nn = n->child; nn; nn = nn->next) {
1137 p->bold++;
1138 term_word(p, nn->string);
1139 p->bold--;
1140 p->flags |= TERMP_NOSPACE;
1141 if (nn->next && NULL == nn->next->next)
1142 term_word(p, "(), and");
1143 else if (nn->next)
1144 term_word(p, "(),");
1145 else
1146 term_word(p, "()");
1147 }
1148
1149 if (n->child->next)
1150 term_word(p, "functions return");
1151 else
1152 term_word(p, "function returns");
1153
1154 term_word(p, "the value 0 if successful; otherwise the value "
1155 "-1 is returned and the global variable");
1156
1157 p->under++;
1158 term_word(p, "errno");
1159 p->under--;
1160
1161 term_word(p, "is set to indicate the error.");
1162
1163 return(0);
1164 }
1165
1166
1167 /* ARGSUSED */
1168 static int
1169 termp_ex_pre(DECL_ARGS)
1170 {
1171 const struct mdoc_node *nn;
1172
1173 term_word(p, "The");
1174
1175 for (nn = n->child; nn; nn = nn->next) {
1176 p->bold++;
1177 term_word(p, nn->string);
1178 p->bold--;
1179 p->flags |= TERMP_NOSPACE;
1180 if (nn->next && NULL == nn->next->next)
1181 term_word(p, ", and");
1182 else if (nn->next)
1183 term_word(p, ",");
1184 else
1185 p->flags &= ~TERMP_NOSPACE;
1186 }
1187
1188 if (n->child->next)
1189 term_word(p, "utilities exit");
1190 else
1191 term_word(p, "utility exits");
1192
1193 term_word(p, "0 on success, and >0 if an error occurs.");
1194
1195 return(0);
1196 }
1197
1198
1199 /* ARGSUSED */
1200 static int
1201 termp_nd_pre(DECL_ARGS)
1202 {
1203
1204 if (MDOC_BODY != n->type)
1205 return(1);
1206
1207 #if defined(__OpenBSD__) || defined(__linux__)
1208 term_word(p, "\\(en");
1209 #else
1210 term_word(p, "\\(em");
1211 #endif
1212 return(1);
1213 }
1214
1215
1216 /* ARGSUSED */
1217 static void
1218 termp_bl_post(DECL_ARGS)
1219 {
1220
1221 if (MDOC_BLOCK == n->type)
1222 term_newln(p);
1223 }
1224
1225
1226 /* ARGSUSED */
1227 static void
1228 termp_op_post(DECL_ARGS)
1229 {
1230
1231 if (MDOC_BODY != n->type)
1232 return;
1233 p->flags |= TERMP_NOSPACE;
1234 term_word(p, "\\(rB");
1235 }
1236
1237
1238 /* ARGSUSED */
1239 static int
1240 termp_xr_pre(DECL_ARGS)
1241 {
1242 const struct mdoc_node *nn;
1243
1244 assert(n->child && MDOC_TEXT == n->child->type);
1245 nn = n->child;
1246
1247 term_word(p, nn->string);
1248 if (NULL == (nn = nn->next))
1249 return(0);
1250 p->flags |= TERMP_NOSPACE;
1251 term_word(p, "(");
1252 p->flags |= TERMP_NOSPACE;
1253 term_word(p, nn->string);
1254 p->flags |= TERMP_NOSPACE;
1255 term_word(p, ")");
1256
1257 return(0);
1258 }
1259
1260
1261 /* ARGSUSED */
1262 static void
1263 termp_vt_post(DECL_ARGS)
1264 {
1265
1266 if (n->sec != SEC_SYNOPSIS)
1267 return;
1268 if (n->next && MDOC_Vt == n->next->tok)
1269 term_newln(p);
1270 else if (n->next)
1271 term_vspace(p);
1272 }
1273
1274
1275 /* ARGSUSED */
1276 static int
1277 termp_bold_pre(DECL_ARGS)
1278 {
1279
1280 p->bold++;
1281 return(1);
1282 }
1283
1284
1285 /* ARGSUSED */
1286 static void
1287 termp_fd_post(DECL_ARGS)
1288 {
1289
1290 if (n->sec != SEC_SYNOPSIS)
1291 return;
1292
1293 term_newln(p);
1294 if (n->next && MDOC_Fd != n->next->tok)
1295 term_vspace(p);
1296 }
1297
1298
1299 /* ARGSUSED */
1300 static int
1301 termp_sh_pre(DECL_ARGS)
1302 {
1303
1304 /* No vspace between consecutive `Sh' calls. */
1305
1306 switch (n->type) {
1307 case (MDOC_BLOCK):
1308 if (n->prev && MDOC_Sh == n->prev->tok)
1309 if (NULL == n->prev->body->child)
1310 break;
1311 term_vspace(p);
1312 break;
1313 case (MDOC_HEAD):
1314 p->bold++;
1315 break;
1316 case (MDOC_BODY):
1317 p->offset = INDENT;
1318 break;
1319 default:
1320 break;
1321 }
1322 return(1);
1323 }
1324
1325
1326 /* ARGSUSED */
1327 static void
1328 termp_sh_post(DECL_ARGS)
1329 {
1330
1331 switch (n->type) {
1332 case (MDOC_HEAD):
1333 term_newln(p);
1334 break;
1335 case (MDOC_BODY):
1336 term_newln(p);
1337 p->offset = 0;
1338 break;
1339 default:
1340 break;
1341 }
1342 }
1343
1344
1345 /* ARGSUSED */
1346 static int
1347 termp_op_pre(DECL_ARGS)
1348 {
1349
1350 switch (n->type) {
1351 case (MDOC_BODY):
1352 term_word(p, "\\(lB");
1353 p->flags |= TERMP_NOSPACE;
1354 break;
1355 default:
1356 break;
1357 }
1358 return(1);
1359 }
1360
1361
1362 /* ARGSUSED */
1363 static int
1364 termp_bt_pre(DECL_ARGS)
1365 {
1366
1367 term_word(p, "is currently in beta test.");
1368 return(0);
1369 }
1370
1371
1372 /* ARGSUSED */
1373 static void
1374 termp_lb_post(DECL_ARGS)
1375 {
1376
1377 if (SEC_LIBRARY == n->sec)
1378 term_newln(p);
1379 }
1380
1381
1382 /* ARGSUSED */
1383 static int
1384 termp_ud_pre(DECL_ARGS)
1385 {
1386
1387 term_word(p, "currently under development.");
1388 return(0);
1389 }
1390
1391
1392 /* ARGSUSED */
1393 static int
1394 termp_d1_pre(DECL_ARGS)
1395 {
1396
1397 if (MDOC_BLOCK != n->type)
1398 return(1);
1399 term_newln(p);
1400 p->offset += (INDENT + 1);
1401 return(1);
1402 }
1403
1404
1405 /* ARGSUSED */
1406 static void
1407 termp_d1_post(DECL_ARGS)
1408 {
1409
1410 if (MDOC_BLOCK != n->type)
1411 return;
1412 term_newln(p);
1413 }
1414
1415
1416 /* ARGSUSED */
1417 static int
1418 termp_aq_pre(DECL_ARGS)
1419 {
1420
1421 if (MDOC_BODY != n->type)
1422 return(1);
1423 term_word(p, "\\(la");
1424 p->flags |= TERMP_NOSPACE;
1425 return(1);
1426 }
1427
1428
1429 /* ARGSUSED */
1430 static void
1431 termp_aq_post(DECL_ARGS)
1432 {
1433
1434 if (MDOC_BODY != n->type)
1435 return;
1436 p->flags |= TERMP_NOSPACE;
1437 term_word(p, "\\(ra");
1438 }
1439
1440
1441 /* ARGSUSED */
1442 static int
1443 termp_ft_pre(DECL_ARGS)
1444 {
1445
1446 if (SEC_SYNOPSIS == n->sec)
1447 if (n->prev && MDOC_Fo == n->prev->tok)
1448 term_vspace(p);
1449 p->under++;
1450 return(1);
1451 }
1452
1453
1454 /* ARGSUSED */
1455 static void
1456 termp_ft_post(DECL_ARGS)
1457 {
1458
1459 if (SEC_SYNOPSIS == n->sec)
1460 term_newln(p);
1461 }
1462
1463
1464 /* ARGSUSED */
1465 static int
1466 termp_fn_pre(DECL_ARGS)
1467 {
1468 const struct mdoc_node *nn;
1469
1470 p->bold++;
1471 term_word(p, n->child->string);
1472 p->bold--;
1473
1474 p->flags |= TERMP_NOSPACE;
1475 term_word(p, "(");
1476
1477 for (nn = n->child->next; nn; nn = nn->next) {
1478 p->under++;
1479 term_word(p, nn->string);
1480 p->under--;
1481 if (nn->next)
1482 term_word(p, ",");
1483 }
1484
1485 term_word(p, ")");
1486
1487 if (SEC_SYNOPSIS == n->sec)
1488 term_word(p, ";");
1489
1490 return(0);
1491 }
1492
1493
1494 /* ARGSUSED */
1495 static void
1496 termp_fn_post(DECL_ARGS)
1497 {
1498
1499 if (n->sec == SEC_SYNOPSIS && n->next)
1500 term_vspace(p);
1501 }
1502
1503
1504 /* ARGSUSED */
1505 static int
1506 termp_fa_pre(DECL_ARGS)
1507 {
1508 const struct mdoc_node *nn;
1509
1510 if (n->parent->tok != MDOC_Fo) {
1511 p->under++;
1512 return(1);
1513 }
1514
1515 for (nn = n->child; nn; nn = nn->next) {
1516 p->under++;
1517 term_word(p, nn->string);
1518 p->under--;
1519 if (nn->next)
1520 term_word(p, ",");
1521 }
1522
1523 if (n->child && n->next && n->next->tok == MDOC_Fa)
1524 term_word(p, ",");
1525
1526 return(0);
1527 }
1528
1529
1530 /* ARGSUSED */
1531 static int
1532 termp_bd_pre(DECL_ARGS)
1533 {
1534 int i, type;
1535 const struct mdoc_node *nn;
1536
1537 if (MDOC_BLOCK == n->type) {
1538 print_bvspace(p, n, n);
1539 return(1);
1540 } else if (MDOC_BODY != n->type)
1541 return(1);
1542
1543 nn = n->parent;
1544
1545 for (type = -1, i = 0; i < (int)nn->args->argc; i++) {
1546 switch (nn->args->argv[i].arg) {
1547 case (MDOC_Centred):
1548 /* FALLTHROUGH */
1549 case (MDOC_Ragged):
1550 /* FALLTHROUGH */
1551 case (MDOC_Filled):
1552 /* FALLTHROUGH */
1553 case (MDOC_Unfilled):
1554 /* FALLTHROUGH */
1555 case (MDOC_Literal):
1556 type = nn->args->argv[i].arg;
1557 break;
1558 case (MDOC_Offset):
1559 p->offset += arg2offs(&nn->args->argv[i]);
1560 break;
1561 default:
1562 break;
1563 }
1564 }
1565
1566 /*
1567 * If -ragged or -filled are specified, the block does nothing
1568 * but change the indentation. If -unfilled or -literal are
1569 * specified, text is printed exactly as entered in the display:
1570 * for macro lines, a newline is appended to the line. Blank
1571 * lines are allowed.
1572 */
1573
1574 assert(type > -1);
1575 if (MDOC_Literal != type && MDOC_Unfilled != type)
1576 return(1);
1577
1578 for (nn = n->child; nn; nn = nn->next) {
1579 p->flags |= TERMP_NOSPACE;
1580 print_node(p, pair, m, nn);
1581 if (NULL == nn->next)
1582 continue;
1583 if (nn->prev && nn->prev->line < nn->line)
1584 term_flushln(p);
1585 else if (NULL == nn->prev)
1586 term_flushln(p);
1587 }
1588
1589 return(0);
1590 }
1591
1592
1593 /* ARGSUSED */
1594 static void
1595 termp_bd_post(DECL_ARGS)
1596 {
1597
1598 if (MDOC_BODY != n->type)
1599 return;
1600 p->flags |= TERMP_NOSPACE;
1601 term_flushln(p);
1602 }
1603
1604
1605 /* ARGSUSED */
1606 static int
1607 termp_qq_pre(DECL_ARGS)
1608 {
1609
1610 if (MDOC_BODY != n->type)
1611 return(1);
1612 term_word(p, "\"");
1613 p->flags |= TERMP_NOSPACE;
1614 return(1);
1615 }
1616
1617
1618 /* ARGSUSED */
1619 static void
1620 termp_qq_post(DECL_ARGS)
1621 {
1622
1623 if (MDOC_BODY != n->type)
1624 return;
1625 p->flags |= TERMP_NOSPACE;
1626 term_word(p, "\"");
1627 }
1628
1629
1630 /* ARGSUSED */
1631 static void
1632 termp_bx_post(DECL_ARGS)
1633 {
1634
1635 if (n->child)
1636 p->flags |= TERMP_NOSPACE;
1637 term_word(p, "BSD");
1638 }
1639
1640
1641 /* ARGSUSED */
1642 static int
1643 termp_xx_pre(DECL_ARGS)
1644 {
1645 const char *pp;
1646
1647 pp = NULL;
1648 switch (n->tok) {
1649 case (MDOC_Bsx):
1650 pp = "BSDI BSD/OS";
1651 break;
1652 case (MDOC_Dx):
1653 pp = "DragonFlyBSD";
1654 break;
1655 case (MDOC_Fx):
1656 pp = "FreeBSD";
1657 break;
1658 case (MDOC_Nx):
1659 pp = "NetBSD";
1660 break;
1661 case (MDOC_Ox):
1662 pp = "OpenBSD";
1663 break;
1664 case (MDOC_Ux):
1665 pp = "UNIX";
1666 break;
1667 default:
1668 break;
1669 }
1670
1671 assert(pp);
1672 term_word(p, pp);
1673 return(1);
1674 }
1675
1676
1677 /* ARGSUSED */
1678 static int
1679 termp_sq_pre(DECL_ARGS)
1680 {
1681
1682 if (MDOC_BODY != n->type)
1683 return(1);
1684 term_word(p, "\\(oq");
1685 p->flags |= TERMP_NOSPACE;
1686 return(1);
1687 }
1688
1689
1690 /* ARGSUSED */
1691 static void
1692 termp_sq_post(DECL_ARGS)
1693 {
1694
1695 if (MDOC_BODY != n->type)
1696 return;
1697 p->flags |= TERMP_NOSPACE;
1698 term_word(p, "\\(aq");
1699 }
1700
1701
1702 /* ARGSUSED */
1703 static int
1704 termp_pf_pre(DECL_ARGS)
1705 {
1706
1707 p->flags |= TERMP_IGNDELIM;
1708 return(1);
1709 }
1710
1711
1712 /* ARGSUSED */
1713 static void
1714 termp_pf_post(DECL_ARGS)
1715 {
1716
1717 p->flags &= ~TERMP_IGNDELIM;
1718 p->flags |= TERMP_NOSPACE;
1719 }
1720
1721
1722 /* ARGSUSED */
1723 static int
1724 termp_ss_pre(DECL_ARGS)
1725 {
1726
1727 switch (n->type) {
1728 case (MDOC_BLOCK):
1729 term_newln(p);
1730 if (n->prev)
1731 term_vspace(p);
1732 break;
1733 case (MDOC_HEAD):
1734 p->bold++;
1735 p->offset = HALFINDENT;
1736 break;
1737 default:
1738 break;
1739 }
1740
1741 return(1);
1742 }
1743
1744
1745 /* ARGSUSED */
1746 static void
1747 termp_ss_post(DECL_ARGS)
1748 {
1749
1750 if (MDOC_HEAD == n->type)
1751 term_newln(p);
1752 }
1753
1754
1755 /* ARGSUSED */
1756 static int
1757 termp_cd_pre(DECL_ARGS)
1758 {
1759
1760 p->bold++;
1761 term_newln(p);
1762 return(1);
1763 }
1764
1765
1766 /* ARGSUSED */
1767 static int
1768 termp_in_pre(DECL_ARGS)
1769 {
1770
1771 p->bold++;
1772 if (SEC_SYNOPSIS == n->sec)
1773 term_word(p, "#include");
1774
1775 term_word(p, "<");
1776 p->flags |= TERMP_NOSPACE;
1777 return(1);
1778 }
1779
1780
1781 /* ARGSUSED */
1782 static void
1783 termp_in_post(DECL_ARGS)
1784 {
1785
1786 p->bold++;
1787 p->flags |= TERMP_NOSPACE;
1788 term_word(p, ">");
1789 p->bold--;
1790
1791 if (SEC_SYNOPSIS != n->sec)
1792 return;
1793
1794 term_newln(p);
1795 /*
1796 * XXX Not entirely correct. If `.In foo bar' is specified in
1797 * the SYNOPSIS section, then it produces a single break after
1798 * the <foo>; mandoc asserts a vertical space. Since this
1799 * construction is rarely used, I think it's fine.
1800 */
1801 if (n->next && MDOC_In != n->next->tok)
1802 term_vspace(p);
1803 }
1804
1805
1806 /* ARGSUSED */
1807 static int
1808 termp_sp_pre(DECL_ARGS)
1809 {
1810 size_t i, len;
1811
1812 switch (n->tok) {
1813 case (MDOC_sp):
1814 len = n->child ? arg2height(n->child) : 1;
1815 break;
1816 case (MDOC_br):
1817 len = 0;
1818 break;
1819 default:
1820 len = 1;
1821 break;
1822 }
1823
1824 if (0 == len)
1825 term_newln(p);
1826 for (i = 0; i < len; i++)
1827 term_vspace(p);
1828
1829 return(0);
1830 }
1831
1832
1833 /* ARGSUSED */
1834 static int
1835 termp_brq_pre(DECL_ARGS)
1836 {
1837
1838 if (MDOC_BODY != n->type)
1839 return(1);
1840 term_word(p, "\\(lC");
1841 p->flags |= TERMP_NOSPACE;
1842 return(1);
1843 }
1844
1845
1846 /* ARGSUSED */
1847 static void
1848 termp_brq_post(DECL_ARGS)
1849 {
1850
1851 if (MDOC_BODY != n->type)
1852 return;
1853 p->flags |= TERMP_NOSPACE;
1854 term_word(p, "\\(rC");
1855 }
1856
1857
1858 /* ARGSUSED */
1859 static int
1860 termp_bq_pre(DECL_ARGS)
1861 {
1862
1863 if (MDOC_BODY != n->type)
1864 return(1);
1865 term_word(p, "\\(lB");
1866 p->flags |= TERMP_NOSPACE;
1867 return(1);
1868 }
1869
1870
1871 /* ARGSUSED */
1872 static void
1873 termp_bq_post(DECL_ARGS)
1874 {
1875
1876 if (MDOC_BODY != n->type)
1877 return;
1878 p->flags |= TERMP_NOSPACE;
1879 term_word(p, "\\(rB");
1880 }
1881
1882
1883 /* ARGSUSED */
1884 static int
1885 termp_pq_pre(DECL_ARGS)
1886 {
1887
1888 if (MDOC_BODY != n->type)
1889 return(1);
1890 term_word(p, "\\&(");
1891 p->flags |= TERMP_NOSPACE;
1892 return(1);
1893 }
1894
1895
1896 /* ARGSUSED */
1897 static void
1898 termp_pq_post(DECL_ARGS)
1899 {
1900
1901 if (MDOC_BODY != n->type)
1902 return;
1903 term_word(p, ")");
1904 }
1905
1906
1907 /* ARGSUSED */
1908 static int
1909 termp_fo_pre(DECL_ARGS)
1910 {
1911 const struct mdoc_node *nn;
1912
1913 if (MDOC_BODY == n->type) {
1914 p->flags |= TERMP_NOSPACE;
1915 term_word(p, "(");
1916 p->flags |= TERMP_NOSPACE;
1917 return(1);
1918 } else if (MDOC_HEAD != n->type)
1919 return(1);
1920
1921 p->bold++;
1922 for (nn = n->child; nn; nn = nn->next) {
1923 assert(MDOC_TEXT == nn->type);
1924 term_word(p, nn->string);
1925 }
1926 p->bold--;
1927
1928 return(0);
1929 }
1930
1931
1932 /* ARGSUSED */
1933 static void
1934 termp_fo_post(DECL_ARGS)
1935 {
1936
1937 if (MDOC_BODY != n->type)
1938 return;
1939 p->flags |= TERMP_NOSPACE;
1940 term_word(p, ")");
1941 p->flags |= TERMP_NOSPACE;
1942 term_word(p, ";");
1943 term_newln(p);
1944 }
1945
1946
1947 /* ARGSUSED */
1948 static int
1949 termp_bf_pre(DECL_ARGS)
1950 {
1951 const struct mdoc_node *nn;
1952
1953 if (MDOC_HEAD == n->type)
1954 return(0);
1955 else if (MDOC_BLOCK != n->type)
1956 return(1);
1957
1958 if (NULL == (nn = n->head->child)) {
1959 if (arg_hasattr(MDOC_Emphasis, n))
1960 p->under++;
1961 else if (arg_hasattr(MDOC_Symbolic, n))
1962 p->bold++;
1963
1964 return(1);
1965 }
1966
1967 assert(MDOC_TEXT == nn->type);
1968 if (0 == strcmp("Em", nn->string))
1969 p->under++;
1970 else if (0 == strcmp("Sy", nn->string))
1971 p->bold++;
1972
1973 return(1);
1974 }
1975
1976
1977 /* ARGSUSED */
1978 static int
1979 termp_sm_pre(DECL_ARGS)
1980 {
1981
1982 assert(n->child && MDOC_TEXT == n->child->type);
1983 if (0 == strcmp("on", n->child->string)) {
1984 p->flags &= ~TERMP_NONOSPACE;
1985 p->flags &= ~TERMP_NOSPACE;
1986 } else
1987 p->flags |= TERMP_NONOSPACE;
1988
1989 return(0);
1990 }
1991
1992
1993 /* ARGSUSED */
1994 static int
1995 termp_ap_pre(DECL_ARGS)
1996 {
1997
1998 p->flags |= TERMP_NOSPACE;
1999 term_word(p, "\\(aq");
2000 p->flags |= TERMP_NOSPACE;
2001 return(1);
2002 }
2003
2004
2005 /* ARGSUSED */
2006 static void
2007 termp____post(DECL_ARGS)
2008 {
2009
2010 /* TODO: %U. */
2011
2012 p->flags |= TERMP_NOSPACE;
2013 switch (n->tok) {
2014 case (MDOC__T):
2015 term_word(p, "\\(rq");
2016 p->flags |= TERMP_NOSPACE;
2017 break;
2018 default:
2019 break;
2020 }
2021 term_word(p, n->next ? "," : ".");
2022 }
2023
2024
2025 /* ARGSUSED */
2026 static int
2027 termp_lk_pre(DECL_ARGS)
2028 {
2029 const struct mdoc_node *nn;
2030
2031 if (NULL == (nn = n->child->next)) {
2032 p->under++;
2033 return(1);
2034 }
2035
2036 p->under++;
2037 term_word(p, nn->string);
2038 p->flags |= TERMP_NOSPACE;
2039 term_word(p, ":");
2040 p->under--;
2041
2042 p->bold++;
2043 for (nn = nn->next; nn; nn = nn->next)
2044 term_word(p, nn->string);
2045 p->bold--;
2046
2047 return(0);
2048 }
2049
2050
2051 /* ARGSUSED */
2052 static int
2053 termp_under_pre(DECL_ARGS)
2054 {
2055
2056 p->under++;
2057 return(1);
2058 }
2059
2060
2061 /* ARGSUSED */
2062 static int
2063 termp__t_pre(DECL_ARGS)
2064 {
2065
2066 term_word(p, "\\(lq");
2067 p->flags |= TERMP_NOSPACE;
2068 return(1);
2069 }
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