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mandoc(1): Update to 1.9.13.
[dragonfly.git] / usr.bin / mandoc / mdoc_term.c
blob3e00b72806640f05f52cfeada940abb5eb05a957
1 /* $Id: mdoc_term.c,v 1.100 2009/10/31 06:50:25 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 <stdio.h>
22 #include <stdlib.h>
23 #include <string.h>
24
25 #include "out.h"
26 #include "term.h"
27 #include "mdoc.h"
28 #include "chars.h"
29 #include "main.h"
30
31 #define INDENT 5
32 #define HALFINDENT 3
33
34 struct termpair {
35 struct termpair *ppair;
36 int flag;
37 int count;
38 };
39
40 #define DECL_ARGS struct termp *p, \
41 struct termpair *pair, \
42 const struct mdoc_meta *m, \
43 const struct mdoc_node *n
44
45 struct termact {
46 int (*pre)(DECL_ARGS);
47 void (*post)(DECL_ARGS);
48 };
49
50 static size_t a2width(const struct mdoc_argv *, int);
51 static size_t a2height(const struct mdoc_node *);
52 static size_t a2offs(const struct mdoc_argv *);
53
54 static int arg_hasattr(int, const struct mdoc_node *);
55 static int arg_getattrs(const int *, int *, size_t,
56 const struct mdoc_node *);
57 static int arg_getattr(int, const struct mdoc_node *);
58 static int arg_listtype(const struct mdoc_node *);
59 static void print_bvspace(struct termp *,
60 const struct mdoc_node *,
61 const struct mdoc_node *);
62 static void print_node(DECL_ARGS);
63 static void print_head(DECL_ARGS);
64 static void print_body(DECL_ARGS);
65 static void print_foot(DECL_ARGS);
66
67 #ifdef __linux__
68 extern size_t strlcpy(char *, const char *, size_t);
69 extern size_t strlcat(char *, const char *, size_t);
70 #endif
71
72 static void termp____post(DECL_ARGS);
73 static void termp_an_post(DECL_ARGS);
74 static void termp_aq_post(DECL_ARGS);
75 static void termp_bd_post(DECL_ARGS);
76 static void termp_bl_post(DECL_ARGS);
77 static void termp_bq_post(DECL_ARGS);
78 static void termp_brq_post(DECL_ARGS);
79 static void termp_bx_post(DECL_ARGS);
80 static void termp_d1_post(DECL_ARGS);
81 static void termp_dq_post(DECL_ARGS);
82 static void termp_fd_post(DECL_ARGS);
83 static void termp_fn_post(DECL_ARGS);
84 static void termp_fo_post(DECL_ARGS);
85 static void termp_ft_post(DECL_ARGS);
86 static void termp_in_post(DECL_ARGS);
87 static void termp_it_post(DECL_ARGS);
88 static void termp_lb_post(DECL_ARGS);
89 static void termp_op_post(DECL_ARGS);
90 static void termp_pf_post(DECL_ARGS);
91 static void termp_pq_post(DECL_ARGS);
92 static void termp_qq_post(DECL_ARGS);
93 static void termp_sh_post(DECL_ARGS);
94 static void termp_sq_post(DECL_ARGS);
95 static void termp_ss_post(DECL_ARGS);
96 static void termp_vt_post(DECL_ARGS);
97
98 static int termp__t_pre(DECL_ARGS);
99 static int termp_an_pre(DECL_ARGS);
100 static int termp_ap_pre(DECL_ARGS);
101 static int termp_aq_pre(DECL_ARGS);
102 static int termp_bd_pre(DECL_ARGS);
103 static int termp_bf_pre(DECL_ARGS);
104 static int termp_bold_pre(DECL_ARGS);
105 static int termp_bq_pre(DECL_ARGS);
106 static int termp_brq_pre(DECL_ARGS);
107 static int termp_bt_pre(DECL_ARGS);
108 static int termp_cd_pre(DECL_ARGS);
109 static int termp_d1_pre(DECL_ARGS);
110 static int termp_dq_pre(DECL_ARGS);
111 static int termp_ex_pre(DECL_ARGS);
112 static int termp_fa_pre(DECL_ARGS);
113 static int termp_fl_pre(DECL_ARGS);
114 static int termp_fn_pre(DECL_ARGS);
115 static int termp_fo_pre(DECL_ARGS);
116 static int termp_ft_pre(DECL_ARGS);
117 static int termp_in_pre(DECL_ARGS);
118 static int termp_it_pre(DECL_ARGS);
119 static int termp_lk_pre(DECL_ARGS);
120 static int termp_nd_pre(DECL_ARGS);
121 static int termp_nm_pre(DECL_ARGS);
122 static int termp_ns_pre(DECL_ARGS);
123 static int termp_op_pre(DECL_ARGS);
124 static int termp_pf_pre(DECL_ARGS);
125 static int termp_pq_pre(DECL_ARGS);
126 static int termp_qq_pre(DECL_ARGS);
127 static int termp_rs_pre(DECL_ARGS);
128 static int termp_rv_pre(DECL_ARGS);
129 static int termp_sh_pre(DECL_ARGS);
130 static int termp_sm_pre(DECL_ARGS);
131 static int termp_sp_pre(DECL_ARGS);
132 static int termp_sq_pre(DECL_ARGS);
133 static int termp_ss_pre(DECL_ARGS);
134 static int termp_under_pre(DECL_ARGS);
135 static int termp_ud_pre(DECL_ARGS);
136 static int termp_xr_pre(DECL_ARGS);
137 static int termp_xx_pre(DECL_ARGS);
138
139 static const struct termact termacts[MDOC_MAX] = {
140 { termp_ap_pre, NULL }, /* Ap */
141 { NULL, NULL }, /* Dd */
142 { NULL, NULL }, /* Dt */
143 { NULL, NULL }, /* Os */
144 { termp_sh_pre, termp_sh_post }, /* Sh */
145 { termp_ss_pre, termp_ss_post }, /* Ss */
146 { termp_sp_pre, NULL }, /* Pp */
147 { termp_d1_pre, termp_d1_post }, /* D1 */
148 { termp_d1_pre, termp_d1_post }, /* Dl */
149 { termp_bd_pre, termp_bd_post }, /* Bd */
150 { NULL, NULL }, /* Ed */
151 { NULL, termp_bl_post }, /* Bl */
152 { NULL, NULL }, /* El */
153 { termp_it_pre, termp_it_post }, /* It */
154 { NULL, NULL }, /* Ad */
155 { termp_an_pre, termp_an_post }, /* An */
156 { termp_under_pre, NULL }, /* Ar */
157 { termp_cd_pre, NULL }, /* Cd */
158 { termp_bold_pre, NULL }, /* Cm */
159 { NULL, NULL }, /* Dv */
160 { NULL, NULL }, /* Er */
161 { NULL, NULL }, /* Ev */
162 { termp_ex_pre, NULL }, /* Ex */
163 { termp_fa_pre, NULL }, /* Fa */
164 { termp_bold_pre, termp_fd_post }, /* Fd */
165 { termp_fl_pre, NULL }, /* Fl */
166 { termp_fn_pre, termp_fn_post }, /* Fn */
167 { termp_ft_pre, termp_ft_post }, /* Ft */
168 { termp_bold_pre, NULL }, /* Ic */
169 { termp_in_pre, termp_in_post }, /* In */
170 { NULL, NULL }, /* Li */
171 { termp_nd_pre, NULL }, /* Nd */
172 { termp_nm_pre, NULL }, /* Nm */
173 { termp_op_pre, termp_op_post }, /* Op */
174 { NULL, NULL }, /* Ot */
175 { termp_under_pre, NULL }, /* Pa */
176 { termp_rv_pre, NULL }, /* Rv */
177 { NULL, NULL }, /* St */
178 { termp_under_pre, NULL }, /* Va */
179 { termp_under_pre, termp_vt_post }, /* Vt */
180 { termp_xr_pre, NULL }, /* Xr */
181 { NULL, termp____post }, /* %A */
182 { termp_under_pre, termp____post }, /* %B */
183 { NULL, termp____post }, /* %D */
184 { termp_under_pre, termp____post }, /* %I */
185 { termp_under_pre, termp____post }, /* %J */
186 { NULL, termp____post }, /* %N */
187 { NULL, termp____post }, /* %O */
188 { NULL, termp____post }, /* %P */
189 { NULL, termp____post }, /* %R */
190 { termp__t_pre, termp____post }, /* %T */
191 { NULL, termp____post }, /* %V */
192 { NULL, NULL }, /* Ac */
193 { termp_aq_pre, termp_aq_post }, /* Ao */
194 { termp_aq_pre, termp_aq_post }, /* Aq */
195 { NULL, NULL }, /* At */
196 { NULL, NULL }, /* Bc */
197 { termp_bf_pre, NULL }, /* Bf */
198 { termp_bq_pre, termp_bq_post }, /* Bo */
199 { termp_bq_pre, termp_bq_post }, /* Bq */
200 { termp_xx_pre, NULL }, /* Bsx */
201 { NULL, termp_bx_post }, /* Bx */
202 { NULL, NULL }, /* Db */
203 { NULL, NULL }, /* Dc */
204 { termp_dq_pre, termp_dq_post }, /* Do */
205 { termp_dq_pre, termp_dq_post }, /* Dq */
206 { NULL, NULL }, /* Ec */
207 { NULL, NULL }, /* Ef */
208 { termp_under_pre, NULL }, /* Em */
209 { NULL, NULL }, /* Eo */
210 { termp_xx_pre, NULL }, /* Fx */
211 { termp_bold_pre, NULL }, /* Ms */ /* FIXME: convert to symbol? */
212 { NULL, NULL }, /* No */
213 { termp_ns_pre, NULL }, /* Ns */
214 { termp_xx_pre, NULL }, /* Nx */
215 { termp_xx_pre, NULL }, /* Ox */
216 { NULL, NULL }, /* Pc */
217 { termp_pf_pre, termp_pf_post }, /* Pf */
218 { termp_pq_pre, termp_pq_post }, /* Po */
219 { termp_pq_pre, termp_pq_post }, /* Pq */
220 { NULL, NULL }, /* Qc */
221 { termp_sq_pre, termp_sq_post }, /* Ql */
222 { termp_qq_pre, termp_qq_post }, /* Qo */
223 { termp_qq_pre, termp_qq_post }, /* Qq */
224 { NULL, NULL }, /* Re */
225 { termp_rs_pre, NULL }, /* Rs */
226 { NULL, NULL }, /* Sc */
227 { termp_sq_pre, termp_sq_post }, /* So */
228 { termp_sq_pre, termp_sq_post }, /* Sq */
229 { termp_sm_pre, NULL }, /* Sm */
230 { termp_under_pre, NULL }, /* Sx */
231 { termp_bold_pre, NULL }, /* Sy */
232 { NULL, NULL }, /* Tn */
233 { termp_xx_pre, NULL }, /* Ux */
234 { NULL, NULL }, /* Xc */
235 { NULL, NULL }, /* Xo */
236 { termp_fo_pre, termp_fo_post }, /* Fo */
237 { NULL, NULL }, /* Fc */
238 { termp_op_pre, termp_op_post }, /* Oo */
239 { NULL, NULL }, /* Oc */
240 { NULL, NULL }, /* Bk */
241 { NULL, NULL }, /* Ek */
242 { termp_bt_pre, NULL }, /* Bt */
243 { NULL, NULL }, /* Hf */
244 { NULL, NULL }, /* Fr */
245 { termp_ud_pre, NULL }, /* Ud */
246 { NULL, termp_lb_post }, /* Lb */
247 { termp_sp_pre, NULL }, /* Lp */
248 { termp_lk_pre, NULL }, /* Lk */
249 { termp_under_pre, NULL }, /* Mt */
250 { termp_brq_pre, termp_brq_post }, /* Brq */
251 { termp_brq_pre, termp_brq_post }, /* Bro */
252 { NULL, NULL }, /* Brc */
253 { NULL, termp____post }, /* %C */
254 { NULL, NULL }, /* Es */ /* TODO */
255 { NULL, NULL }, /* En */ /* TODO */
256 { termp_xx_pre, NULL }, /* Dx */
257 { NULL, termp____post }, /* %Q */
258 { termp_sp_pre, NULL }, /* br */
259 { termp_sp_pre, NULL }, /* sp */
260 { termp_under_pre, termp____post }, /* %U */
261 };
262
263
264 void
265 terminal_mdoc(void *arg, const struct mdoc *mdoc)
266 {
267 const struct mdoc_node *n;
268 const struct mdoc_meta *m;
269 struct termp *p;
270
271 p = (struct termp *)arg;
272
273 if (NULL == p->symtab)
274 switch (p->enc) {
275 case (TERMENC_ASCII):
276 p->symtab = chars_init(CHARS_ASCII);
277 break;
278 default:
279 abort();
280 /* NOTREACHED */
281 }
282
283 n = mdoc_node(mdoc);
284 m = mdoc_meta(mdoc);
285
286 print_head(p, NULL, m, n);
287 if (n->child)
288 print_body(p, NULL, m, n->child);
289 print_foot(p, NULL, m, n);
290 }
291
292
293 static void
294 print_body(DECL_ARGS)
295 {
296
297 print_node(p, pair, m, n);
298 if (n->next)
299 print_body(p, pair, m, n->next);
300 }
301
302
303 /* ARGSUSED */
304 static void
305 print_node(DECL_ARGS)
306 {
307 int chld, bold, under;
308 struct termpair npair;
309 size_t offset, rmargin;
310
311 chld = 1;
312 offset = p->offset;
313 rmargin = p->rmargin;
314 bold = p->bold;
315 under = p->under;
316
317 memset(&npair, 0, sizeof(struct termpair));
318 npair.ppair = pair;
319
320 if (MDOC_TEXT != n->type) {
321 if (termacts[n->tok].pre)
322 chld = (*termacts[n->tok].pre)(p, &npair, m, n);
323 } else
324 term_word(p, n->string);
325 if (chld && n->child)
326 print_body(p, &npair, m, n->child);
327
328 /*
329 * XXX - if bold/under were to span scopes, this wouldn't be
330 * possible, but because decoration is always in-scope, we can
331 * get away with this.
332 */
333
334 p->bold = bold;
335 p->under = under;
336
337 if (MDOC_TEXT != n->type)
338 if (termacts[n->tok].post)
339 (*termacts[n->tok].post)(p, &npair, m, n);
340
341 p->offset = offset;
342 p->rmargin = rmargin;
343 }
344
345
346 /* ARGSUSED */
347 static void
348 print_foot(DECL_ARGS)
349 {
350 char buf[DATESIZ], os[BUFSIZ];
351
352 /*
353 * Output the footer in new-groff style, that is, three columns
354 * with the middle being the manual date and flanking columns
355 * being the operating system:
356 *
357 * SYSTEM DATE SYSTEM
358 */
359
360 time2a(m->date, buf, DATESIZ);
361 strlcpy(os, m->os, BUFSIZ);
362
363 term_vspace(p);
364
365 p->offset = 0;
366 p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
367 p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
368
369 term_word(p, os);
370 term_flushln(p);
371
372 p->offset = p->rmargin;
373 p->rmargin = p->maxrmargin - strlen(os);
374 p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
375
376 term_word(p, buf);
377 term_flushln(p);
378
379 p->offset = p->rmargin;
380 p->rmargin = p->maxrmargin;
381 p->flags &= ~TERMP_NOBREAK;
382 p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
383
384 term_word(p, os);
385 term_flushln(p);
386
387 p->offset = 0;
388 p->rmargin = p->maxrmargin;
389 p->flags = 0;
390 }
391
392
393 /* FIXME: put in utility library. */
394 /* ARGSUSED */
395 static void
396 print_head(DECL_ARGS)
397 {
398 char buf[BUFSIZ], title[BUFSIZ];
399
400 p->rmargin = p->maxrmargin;
401 p->offset = 0;
402
403 /*
404 * The header is strange. It has three components, which are
405 * really two with the first duplicated. It goes like this:
406 *
407 * IDENTIFIER TITLE IDENTIFIER
408 *
409 * The IDENTIFIER is NAME(SECTION), which is the command-name
410 * (if given, or "unknown" if not) followed by the manual page
411 * section. These are given in `Dt'. The TITLE is a free-form
412 * string depending on the manual volume. If not specified, it
413 * switches on the manual section.
414 */
415
416 assert(m->vol);
417 strlcpy(buf, m->vol, BUFSIZ);
418
419 if (m->arch) {
420 strlcat(buf, " (", BUFSIZ);
421 strlcat(buf, m->arch, BUFSIZ);
422 strlcat(buf, ")", BUFSIZ);
423 }
424
425 snprintf(title, BUFSIZ, "%s(%d)", m->title, m->msec);
426
427 p->offset = 0;
428 p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
429 p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
430
431 term_word(p, title);
432 term_flushln(p);
433
434 p->offset = p->rmargin;
435 p->rmargin = p->maxrmargin - strlen(title);
436 p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
437
438 term_word(p, buf);
439 term_flushln(p);
440
441 p->offset = p->rmargin;
442 p->rmargin = p->maxrmargin;
443 p->flags &= ~TERMP_NOBREAK;
444 p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
445
446 term_word(p, title);
447 term_flushln(p);
448
449 p->offset = 0;
450 p->rmargin = p->maxrmargin;
451 p->flags &= ~TERMP_NOSPACE;
452 }
453
454
455 static size_t
456 a2height(const struct mdoc_node *n)
457 {
458 struct roffsu su;
459
460 assert(MDOC_TEXT == n->type);
461 assert(n->string);
462 if ( ! a2roffsu(n->string, &su, SCALE_VS))
463 SCALE_VS_INIT(&su, strlen(n->string));
464
465 return(term_vspan(&su));
466 }
467
468
469 static size_t
470 a2width(const struct mdoc_argv *arg, int pos)
471 {
472 struct roffsu su;
473
474 assert(arg->value[pos]);
475 if ( ! a2roffsu(arg->value[pos], &su, SCALE_MAX))
476 SCALE_HS_INIT(&su, strlen(arg->value[pos]));
477
478 /* XXX: pachemu? */
479 return(term_hspan(&su) + 2);
480 }
481
482
483 static int
484 arg_listtype(const struct mdoc_node *n)
485 {
486 int i, len;
487
488 assert(MDOC_BLOCK == n->type);
489
490 len = (int)(n->args ? n->args->argc : 0);
491
492 for (i = 0; i < len; i++)
493 switch (n->args->argv[i].arg) {
494 case (MDOC_Bullet):
495 /* FALLTHROUGH */
496 case (MDOC_Dash):
497 /* FALLTHROUGH */
498 case (MDOC_Enum):
499 /* FALLTHROUGH */
500 case (MDOC_Hyphen):
501 /* FALLTHROUGH */
502 case (MDOC_Tag):
503 /* FALLTHROUGH */
504 case (MDOC_Inset):
505 /* FALLTHROUGH */
506 case (MDOC_Diag):
507 /* FALLTHROUGH */
508 case (MDOC_Item):
509 /* FALLTHROUGH */
510 case (MDOC_Column):
511 /* FALLTHROUGH */
512 case (MDOC_Hang):
513 /* FALLTHROUGH */
514 case (MDOC_Ohang):
515 return(n->args->argv[i].arg);
516 default:
517 break;
518 }
519
520 return(-1);
521 }
522
523
524 static size_t
525 a2offs(const struct mdoc_argv *arg)
526 {
527 struct roffsu su;
528
529 if ('\0' == arg->value[0][0])
530 return(0);
531 else if (0 == strcmp(arg->value[0], "left"))
532 return(0);
533 else if (0 == strcmp(arg->value[0], "indent"))
534 return(INDENT + 1);
535 else if (0 == strcmp(arg->value[0], "indent-two"))
536 return((INDENT + 1) * 2);
537 else if ( ! a2roffsu(arg->value[0], &su, SCALE_MAX))
538 SCALE_HS_INIT(&su, strlen(arg->value[0]));
539
540 return(term_hspan(&su));
541 }
542
543
544 static int
545 arg_hasattr(int arg, const struct mdoc_node *n)
546 {
547
548 return(-1 != arg_getattr(arg, n));
549 }
550
551
552 static int
553 arg_getattr(int v, const struct mdoc_node *n)
554 {
555 int val;
556
557 return(arg_getattrs(&v, &val, 1, n) ? val : -1);
558 }
559
560
561 static int
562 arg_getattrs(const int *keys, int *vals,
563 size_t sz, const struct mdoc_node *n)
564 {
565 int i, j, k;
566
567 if (NULL == n->args)
568 return(0);
569
570 for (k = i = 0; i < (int)n->args->argc; i++)
571 for (j = 0; j < (int)sz; j++)
572 if (n->args->argv[i].arg == keys[j]) {
573 vals[j] = i;
574 k++;
575 }
576 return(k);
577 }
578
579
580 static void
581 print_bvspace(struct termp *p,
582 const struct mdoc_node *bl,
583 const struct mdoc_node *n)
584 {
585 const struct mdoc_node *nn;
586
587 term_newln(p);
588 if (arg_hasattr(MDOC_Compact, bl))
589 return;
590
591 /* Do not vspace directly after Ss/Sh. */
592
593 for (nn = n; nn; nn = nn->parent) {
594 if (MDOC_BLOCK != nn->type)
595 continue;
596 if (MDOC_Ss == nn->tok)
597 return;
598 if (MDOC_Sh == nn->tok)
599 return;
600 if (NULL == nn->prev)
601 continue;
602 break;
603 }
604
605 /* A `-column' does not assert vspace within the list. */
606
607 if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Column, bl))
608 if (n->prev && MDOC_It == n->prev->tok)
609 return;
610
611 /* A `-diag' without body does not vspace. */
612
613 if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Diag, bl))
614 if (n->prev && MDOC_It == n->prev->tok) {
615 assert(n->prev->body);
616 if (NULL == n->prev->body->child)
617 return;
618 }
619
620 term_vspace(p);
621 }
622
623
624 /* ARGSUSED */
625 static int
626 termp_dq_pre(DECL_ARGS)
627 {
628
629 if (MDOC_BODY != n->type)
630 return(1);
631
632 term_word(p, "\\(lq");
633 p->flags |= TERMP_NOSPACE;
634 return(1);
635 }
636
637
638 /* ARGSUSED */
639 static void
640 termp_dq_post(DECL_ARGS)
641 {
642
643 if (MDOC_BODY != n->type)
644 return;
645
646 p->flags |= TERMP_NOSPACE;
647 term_word(p, "\\(rq");
648 }
649
650
651 /* ARGSUSED */
652 static int
653 termp_it_pre(DECL_ARGS)
654 {
655 const struct mdoc_node *bl, *nn;
656 char buf[7];
657 int i, type, keys[3], vals[3];
658 size_t width, offset;
659
660 if (MDOC_BLOCK == n->type) {
661 print_bvspace(p, n->parent->parent, n);
662 return(1);
663 }
664
665 bl = n->parent->parent->parent;
666
667 /* Save parent attributes. */
668
669 pair->flag = p->flags;
670
671 /* Get list width and offset. */
672
673 keys[0] = MDOC_Width;
674 keys[1] = MDOC_Offset;
675 keys[2] = MDOC_Column;
676
677 vals[0] = vals[1] = vals[2] = -1;
678
679 width = offset = 0;
680
681 (void)arg_getattrs(keys, vals, 3, bl);
682
683 type = arg_listtype(bl);
684 assert(-1 != type);
685
686 /* Calculate real width and offset. */
687
688 switch (type) {
689 case (MDOC_Column):
690 if (MDOC_BODY == n->type)
691 break;
692 /*
693 * Work around groff's column handling. The offset is
694 * equal to the sum of all widths leading to the current
695 * column (plus the -offset value). If this column
696 * exceeds the stated number of columns, the width is
697 * set as 0, else it's the stated column width (later
698 * the 0 will be adjusted to default 10 or, if in the
699 * last column case, set to stretch to the margin).
700 */
701 for (i = 0, nn = n->prev; nn &&
702 i < (int)bl->args->argv[vals[2]].sz;
703 nn = nn->prev, i++)
704 offset += a2width
705 (&bl->args->argv[vals[2]], i);
706
707 /* Whether exceeds maximum column. */
708 if (i < (int)bl->args->argv[vals[2]].sz)
709 width = a2width(&bl->args->argv[vals[2]], i);
710 else
711 width = 0;
712
713 if (vals[1] >= 0)
714 offset += a2offs(&bl->args->argv[vals[1]]);
715 break;
716 default:
717 if (vals[0] >= 0)
718 width = a2width(&bl->args->argv[vals[0]], 0);
719 if (vals[1] >= 0)
720 offset += a2offs(&bl->args->argv[vals[1]]);
721 break;
722 }
723
724 /*
725 * List-type can override the width in the case of fixed-head
726 * values (bullet, dash/hyphen, enum). Tags need a non-zero
727 * offset.
728 */
729
730 switch (type) {
731 case (MDOC_Bullet):
732 /* FALLTHROUGH */
733 case (MDOC_Dash):
734 /* FALLTHROUGH */
735 case (MDOC_Hyphen):
736 if (width < 4)
737 width = 4;
738 break;
739 case (MDOC_Enum):
740 if (width < 5)
741 width = 5;
742 break;
743 case (MDOC_Hang):
744 if (0 == width)
745 width = 8;
746 break;
747 case (MDOC_Column):
748 /* FALLTHROUGH */
749 case (MDOC_Tag):
750 if (0 == width)
751 width = 10;
752 break;
753 default:
754 break;
755 }
756
757 /*
758 * Whitespace control. Inset bodies need an initial space,
759 * while diagonal bodies need two.
760 */
761
762 p->flags |= TERMP_NOSPACE;
763
764 switch (type) {
765 case (MDOC_Diag):
766 if (MDOC_BODY == n->type)
767 term_word(p, "\\ \\ ");
768 break;
769 case (MDOC_Inset):
770 if (MDOC_BODY == n->type)
771 term_word(p, "\\ ");
772 break;
773 default:
774 break;
775 }
776
777 p->flags |= TERMP_NOSPACE;
778
779 switch (type) {
780 case (MDOC_Diag):
781 if (MDOC_HEAD == n->type)
782 p->bold++;
783 break;
784 default:
785 break;
786 }
787
788 /*
789 * Pad and break control. This is the tricker part. Lists with
790 * set right-margins for the head get TERMP_NOBREAK because, if
791 * they overrun the margin, they wrap to the new margin.
792 * Correspondingly, the body for these types don't left-pad, as
793 * the head will pad out to to the right.
794 */
795
796 switch (type) {
797 case (MDOC_Bullet):
798 /* FALLTHROUGH */
799 case (MDOC_Dash):
800 /* FALLTHROUGH */
801 case (MDOC_Enum):
802 /* FALLTHROUGH */
803 case (MDOC_Hyphen):
804 if (MDOC_HEAD == n->type)
805 p->flags |= TERMP_NOBREAK;
806 else
807 p->flags |= TERMP_NOLPAD;
808 break;
809 case (MDOC_Hang):
810 if (MDOC_HEAD == n->type)
811 p->flags |= TERMP_NOBREAK;
812 else
813 p->flags |= TERMP_NOLPAD;
814
815 if (MDOC_HEAD != n->type)
816 break;
817
818 /*
819 * This is ugly. If `-hang' is specified and the body
820 * is a `Bl' or `Bd', then we want basically to nullify
821 * the "overstep" effect in term_flushln() and treat
822 * this as a `-ohang' list instead.
823 */
824 if (n->next->child &&
825 (MDOC_Bl == n->next->child->tok ||
826 MDOC_Bd == n->next->child->tok)) {
827 p->flags &= ~TERMP_NOBREAK;
828 p->flags &= ~TERMP_NOLPAD;
829 } else
830 p->flags |= TERMP_HANG;
831 break;
832 case (MDOC_Tag):
833 if (MDOC_HEAD == n->type)
834 p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
835 else
836 p->flags |= TERMP_NOLPAD;
837
838 if (MDOC_HEAD != n->type)
839 break;
840 if (NULL == n->next || NULL == n->next->child)
841 p->flags |= TERMP_DANGLE;
842 break;
843 case (MDOC_Column):
844 if (MDOC_HEAD == n->type) {
845 assert(n->next);
846 if (MDOC_BODY == n->next->type)
847 p->flags &= ~TERMP_NOBREAK;
848 else
849 p->flags |= TERMP_NOBREAK;
850 if (n->prev)
851 p->flags |= TERMP_NOLPAD;
852 }
853 break;
854 case (MDOC_Diag):
855 if (MDOC_HEAD == n->type)
856 p->flags |= TERMP_NOBREAK;
857 break;
858 default:
859 break;
860 }
861
862 /*
863 * Margin control. Set-head-width lists have their right
864 * margins shortened. The body for these lists has the offset
865 * necessarily lengthened. Everybody gets the offset.
866 */
867
868 p->offset += offset;
869
870 switch (type) {
871 case (MDOC_Hang):
872 /*
873 * Same stipulation as above, regarding `-hang'. We
874 * don't want to recalculate rmargin and offsets when
875 * using `Bd' or `Bl' within `-hang' overstep lists.
876 */
877 if (MDOC_HEAD == n->type && n->next->child &&
878 (MDOC_Bl == n->next->child->tok ||
879 MDOC_Bd == n->next->child->tok))
880 break;
881 /* FALLTHROUGH */
882 case (MDOC_Bullet):
883 /* FALLTHROUGH */
884 case (MDOC_Dash):
885 /* FALLTHROUGH */
886 case (MDOC_Enum):
887 /* FALLTHROUGH */
888 case (MDOC_Hyphen):
889 /* FALLTHROUGH */
890 case (MDOC_Tag):
891 assert(width);
892 if (MDOC_HEAD == n->type)
893 p->rmargin = p->offset + width;
894 else
895 p->offset += width;
896 break;
897 case (MDOC_Column):
898 assert(width);
899 p->rmargin = p->offset + width;
900 /*
901 * XXX - this behaviour is not documented: the
902 * right-most column is filled to the right margin.
903 */
904 if (MDOC_HEAD == n->type &&
905 MDOC_BODY == n->next->type)
906 p->rmargin = p->maxrmargin;
907 break;
908 default:
909 break;
910 }
911
912 /*
913 * The dash, hyphen, bullet and enum lists all have a special
914 * HEAD character (temporarily bold, in some cases).
915 */
916
917 if (MDOC_HEAD == n->type)
918 switch (type) {
919 case (MDOC_Bullet):
920 p->bold++;
921 term_word(p, "\\[bu]");
922 p->bold--;
923 break;
924 case (MDOC_Dash):
925 /* FALLTHROUGH */
926 case (MDOC_Hyphen):
927 p->bold++;
928 term_word(p, "\\(hy");
929 p->bold--;
930 break;
931 case (MDOC_Enum):
932 (pair->ppair->ppair->count)++;
933 (void)snprintf(buf, sizeof(buf), "%d.",
934 pair->ppair->ppair->count);
935 term_word(p, buf);
936 break;
937 default:
938 break;
939 }
940
941 /*
942 * If we're not going to process our children, indicate so here.
943 */
944
945 switch (type) {
946 case (MDOC_Bullet):
947 /* FALLTHROUGH */
948 case (MDOC_Item):
949 /* FALLTHROUGH */
950 case (MDOC_Dash):
951 /* FALLTHROUGH */
952 case (MDOC_Hyphen):
953 /* FALLTHROUGH */
954 case (MDOC_Enum):
955 if (MDOC_HEAD == n->type)
956 return(0);
957 break;
958 case (MDOC_Column):
959 if (MDOC_BODY == n->type)
960 return(0);
961 break;
962 default:
963 break;
964 }
965
966 return(1);
967 }
968
969
970 /* ARGSUSED */
971 static void
972 termp_it_post(DECL_ARGS)
973 {
974 int type;
975
976 if (MDOC_BODY != n->type && MDOC_HEAD != n->type)
977 return;
978
979 type = arg_listtype(n->parent->parent->parent);
980 assert(-1 != type);
981
982 switch (type) {
983 case (MDOC_Item):
984 /* FALLTHROUGH */
985 case (MDOC_Diag):
986 /* FALLTHROUGH */
987 case (MDOC_Inset):
988 if (MDOC_BODY == n->type)
989 term_flushln(p);
990 break;
991 case (MDOC_Column):
992 if (MDOC_HEAD == n->type)
993 term_flushln(p);
994 break;
995 default:
996 term_flushln(p);
997 break;
998 }
999
1000 p->flags = pair->flag;
1001 }
1002
1003
1004 /* ARGSUSED */
1005 static int
1006 termp_nm_pre(DECL_ARGS)
1007 {
1008
1009 if (SEC_SYNOPSIS == n->sec)
1010 term_newln(p);
1011 p->bold++;
1012 if (NULL == n->child)
1013 term_word(p, m->name);
1014 return(1);
1015 }
1016
1017
1018 /* ARGSUSED */
1019 static int
1020 termp_fl_pre(DECL_ARGS)
1021 {
1022
1023 p->bold++;
1024 term_word(p, "\\-");
1025 p->flags |= TERMP_NOSPACE;
1026 return(1);
1027 }
1028
1029
1030 /* ARGSUSED */
1031 static int
1032 termp_an_pre(DECL_ARGS)
1033 {
1034
1035 if (NULL == n->child)
1036 return(1);
1037
1038 /*
1039 * If not in the AUTHORS section, `An -split' will cause
1040 * newlines to occur before the author name. If in the AUTHORS
1041 * section, by default, the first `An' invocation is nosplit,
1042 * then all subsequent ones, regardless of whether interspersed
1043 * with other macros/text, are split. -split, in this case,
1044 * will override the condition of the implied first -nosplit.
1045 */
1046
1047 if (n->sec == SEC_AUTHORS) {
1048 if ( ! (TERMP_ANPREC & p->flags)) {
1049 if (TERMP_SPLIT & p->flags)
1050 term_newln(p);
1051 return(1);
1052 }
1053 if (TERMP_NOSPLIT & p->flags)
1054 return(1);
1055 term_newln(p);
1056 return(1);
1057 }
1058
1059 if (TERMP_SPLIT & p->flags)
1060 term_newln(p);
1061
1062 return(1);
1063 }
1064
1065
1066 /* ARGSUSED */
1067 static void
1068 termp_an_post(DECL_ARGS)
1069 {
1070
1071 if (n->child) {
1072 if (SEC_AUTHORS == n->sec)
1073 p->flags |= TERMP_ANPREC;
1074 return;
1075 }
1076
1077 if (arg_getattr(MDOC_Split, n) > -1) {
1078 p->flags &= ~TERMP_NOSPLIT;
1079 p->flags |= TERMP_SPLIT;
1080 } else {
1081 p->flags &= ~TERMP_SPLIT;
1082 p->flags |= TERMP_NOSPLIT;
1083 }
1084
1085 }
1086
1087
1088 /* ARGSUSED */
1089 static int
1090 termp_ns_pre(DECL_ARGS)
1091 {
1092
1093 p->flags |= TERMP_NOSPACE;
1094 return(1);
1095 }
1096
1097
1098 /* ARGSUSED */
1099 static int
1100 termp_rs_pre(DECL_ARGS)
1101 {
1102
1103 if (SEC_SEE_ALSO != n->sec)
1104 return(1);
1105 if (MDOC_BLOCK == n->type && n->prev)
1106 term_vspace(p);
1107 return(1);
1108 }
1109
1110
1111 /* ARGSUSED */
1112 static int
1113 termp_rv_pre(DECL_ARGS)
1114 {
1115 const struct mdoc_node *nn;
1116
1117 term_newln(p);
1118 term_word(p, "The");
1119
1120 for (nn = n->child; nn; nn = nn->next) {
1121 p->bold++;
1122 term_word(p, nn->string);
1123 p->bold--;
1124 p->flags |= TERMP_NOSPACE;
1125 if (nn->next && NULL == nn->next->next)
1126 term_word(p, "(), and");
1127 else if (nn->next)
1128 term_word(p, "(),");
1129 else
1130 term_word(p, "()");
1131 }
1132
1133 if (n->child->next)
1134 term_word(p, "functions return");
1135 else
1136 term_word(p, "function returns");
1137
1138 term_word(p, "the value 0 if successful; otherwise the value "
1139 "-1 is returned and the global variable");
1140
1141 p->under++;
1142 term_word(p, "errno");
1143 p->under--;
1144
1145 term_word(p, "is set to indicate the error.");
1146
1147 return(0);
1148 }
1149
1150
1151 /* ARGSUSED */
1152 static int
1153 termp_ex_pre(DECL_ARGS)
1154 {
1155 const struct mdoc_node *nn;
1156
1157 term_word(p, "The");
1158
1159 for (nn = n->child; nn; nn = nn->next) {
1160 p->bold++;
1161 term_word(p, nn->string);
1162 p->bold--;
1163 p->flags |= TERMP_NOSPACE;
1164 if (nn->next && NULL == nn->next->next)
1165 term_word(p, ", and");
1166 else if (nn->next)
1167 term_word(p, ",");
1168 else
1169 p->flags &= ~TERMP_NOSPACE;
1170 }
1171
1172 if (n->child->next)
1173 term_word(p, "utilities exit");
1174 else
1175 term_word(p, "utility exits");
1176
1177 term_word(p, "0 on success, and >0 if an error occurs.");
1178
1179 return(0);
1180 }
1181
1182
1183 /* ARGSUSED */
1184 static int
1185 termp_nd_pre(DECL_ARGS)
1186 {
1187
1188 if (MDOC_BODY != n->type)
1189 return(1);
1190
1191 #if defined(__OpenBSD__) || defined(__linux__)
1192 term_word(p, "\\(en");
1193 #else
1194 term_word(p, "\\(em");
1195 #endif
1196 return(1);
1197 }
1198
1199
1200 /* ARGSUSED */
1201 static void
1202 termp_bl_post(DECL_ARGS)
1203 {
1204
1205 if (MDOC_BLOCK == n->type)
1206 term_newln(p);
1207 }
1208
1209
1210 /* ARGSUSED */
1211 static void
1212 termp_op_post(DECL_ARGS)
1213 {
1214
1215 if (MDOC_BODY != n->type)
1216 return;
1217 p->flags |= TERMP_NOSPACE;
1218 term_word(p, "\\(rB");
1219 }
1220
1221
1222 /* ARGSUSED */
1223 static int
1224 termp_xr_pre(DECL_ARGS)
1225 {
1226 const struct mdoc_node *nn;
1227
1228 assert(n->child && MDOC_TEXT == n->child->type);
1229 nn = n->child;
1230
1231 term_word(p, nn->string);
1232 if (NULL == (nn = nn->next))
1233 return(0);
1234 p->flags |= TERMP_NOSPACE;
1235 term_word(p, "(");
1236 p->flags |= TERMP_NOSPACE;
1237 term_word(p, nn->string);
1238 p->flags |= TERMP_NOSPACE;
1239 term_word(p, ")");
1240
1241 return(0);
1242 }
1243
1244
1245 /* ARGSUSED */
1246 static void
1247 termp_vt_post(DECL_ARGS)
1248 {
1249
1250 if (n->sec != SEC_SYNOPSIS)
1251 return;
1252 if (n->next && MDOC_Vt == n->next->tok)
1253 term_newln(p);
1254 else if (n->next)
1255 term_vspace(p);
1256 }
1257
1258
1259 /* ARGSUSED */
1260 static int
1261 termp_bold_pre(DECL_ARGS)
1262 {
1263
1264 p->bold++;
1265 return(1);
1266 }
1267
1268
1269 /* ARGSUSED */
1270 static void
1271 termp_fd_post(DECL_ARGS)
1272 {
1273
1274 if (n->sec != SEC_SYNOPSIS)
1275 return;
1276
1277 term_newln(p);
1278 if (n->next && MDOC_Fd != n->next->tok)
1279 term_vspace(p);
1280 }
1281
1282
1283 /* ARGSUSED */
1284 static int
1285 termp_sh_pre(DECL_ARGS)
1286 {
1287
1288 /* No vspace between consecutive `Sh' calls. */
1289
1290 switch (n->type) {
1291 case (MDOC_BLOCK):
1292 if (n->prev && MDOC_Sh == n->prev->tok)
1293 if (NULL == n->prev->body->child)
1294 break;
1295 term_vspace(p);
1296 break;
1297 case (MDOC_HEAD):
1298 p->bold++;
1299 break;
1300 case (MDOC_BODY):
1301 p->offset = INDENT;
1302 break;
1303 default:
1304 break;
1305 }
1306 return(1);
1307 }
1308
1309
1310 /* ARGSUSED */
1311 static void
1312 termp_sh_post(DECL_ARGS)
1313 {
1314
1315 switch (n->type) {
1316 case (MDOC_HEAD):
1317 term_newln(p);
1318 break;
1319 case (MDOC_BODY):
1320 term_newln(p);
1321 p->offset = 0;
1322 break;
1323 default:
1324 break;
1325 }
1326 }
1327
1328
1329 /* ARGSUSED */
1330 static int
1331 termp_op_pre(DECL_ARGS)
1332 {
1333
1334 switch (n->type) {
1335 case (MDOC_BODY):
1336 term_word(p, "\\(lB");
1337 p->flags |= TERMP_NOSPACE;
1338 break;
1339 default:
1340 break;
1341 }
1342 return(1);
1343 }
1344
1345
1346 /* ARGSUSED */
1347 static int
1348 termp_bt_pre(DECL_ARGS)
1349 {
1350
1351 term_word(p, "is currently in beta test.");
1352 return(0);
1353 }
1354
1355
1356 /* ARGSUSED */
1357 static void
1358 termp_lb_post(DECL_ARGS)
1359 {
1360
1361 if (SEC_LIBRARY == n->sec)
1362 term_newln(p);
1363 }
1364
1365
1366 /* ARGSUSED */
1367 static int
1368 termp_ud_pre(DECL_ARGS)
1369 {
1370
1371 term_word(p, "currently under development.");
1372 return(0);
1373 }
1374
1375
1376 /* ARGSUSED */
1377 static int
1378 termp_d1_pre(DECL_ARGS)
1379 {
1380
1381 if (MDOC_BLOCK != n->type)
1382 return(1);
1383 term_newln(p);
1384 p->offset += (INDENT + 1);
1385 return(1);
1386 }
1387
1388
1389 /* ARGSUSED */
1390 static void
1391 termp_d1_post(DECL_ARGS)
1392 {
1393
1394 if (MDOC_BLOCK != n->type)
1395 return;
1396 term_newln(p);
1397 }
1398
1399
1400 /* ARGSUSED */
1401 static int
1402 termp_aq_pre(DECL_ARGS)
1403 {
1404
1405 if (MDOC_BODY != n->type)
1406 return(1);
1407 term_word(p, "\\(la");
1408 p->flags |= TERMP_NOSPACE;
1409 return(1);
1410 }
1411
1412
1413 /* ARGSUSED */
1414 static void
1415 termp_aq_post(DECL_ARGS)
1416 {
1417
1418 if (MDOC_BODY != n->type)
1419 return;
1420 p->flags |= TERMP_NOSPACE;
1421 term_word(p, "\\(ra");
1422 }
1423
1424
1425 /* ARGSUSED */
1426 static int
1427 termp_ft_pre(DECL_ARGS)
1428 {
1429
1430 if (SEC_SYNOPSIS == n->sec)
1431 if (n->prev && MDOC_Fo == n->prev->tok)
1432 term_vspace(p);
1433 p->under++;
1434 return(1);
1435 }
1436
1437
1438 /* ARGSUSED */
1439 static void
1440 termp_ft_post(DECL_ARGS)
1441 {
1442
1443 if (SEC_SYNOPSIS == n->sec)
1444 term_newln(p);
1445 }
1446
1447
1448 /* ARGSUSED */
1449 static int
1450 termp_fn_pre(DECL_ARGS)
1451 {
1452 const struct mdoc_node *nn;
1453
1454 p->bold++;
1455 term_word(p, n->child->string);
1456 p->bold--;
1457
1458 p->flags |= TERMP_NOSPACE;
1459 term_word(p, "(");
1460
1461 for (nn = n->child->next; nn; nn = nn->next) {
1462 p->under++;
1463 term_word(p, nn->string);
1464 p->under--;
1465 if (nn->next)
1466 term_word(p, ",");
1467 }
1468
1469 term_word(p, ")");
1470
1471 if (SEC_SYNOPSIS == n->sec)
1472 term_word(p, ";");
1473
1474 return(0);
1475 }
1476
1477
1478 /* ARGSUSED */
1479 static void
1480 termp_fn_post(DECL_ARGS)
1481 {
1482
1483 if (n->sec == SEC_SYNOPSIS && n->next)
1484 term_vspace(p);
1485 }
1486
1487
1488 /* ARGSUSED */
1489 static int
1490 termp_fa_pre(DECL_ARGS)
1491 {
1492 const struct mdoc_node *nn;
1493
1494 if (n->parent->tok != MDOC_Fo) {
1495 p->under++;
1496 return(1);
1497 }
1498
1499 for (nn = n->child; nn; nn = nn->next) {
1500 p->under++;
1501 term_word(p, nn->string);
1502 p->under--;
1503 if (nn->next)
1504 term_word(p, ",");
1505 }
1506
1507 if (n->child && n->next && n->next->tok == MDOC_Fa)
1508 term_word(p, ",");
1509
1510 return(0);
1511 }
1512
1513
1514 /* ARGSUSED */
1515 static int
1516 termp_bd_pre(DECL_ARGS)
1517 {
1518 int i, type;
1519 const struct mdoc_node *nn;
1520
1521 if (MDOC_BLOCK == n->type) {
1522 print_bvspace(p, n, n);
1523 return(1);
1524 } else if (MDOC_BODY != n->type)
1525 return(1);
1526
1527 nn = n->parent;
1528
1529 for (type = -1, i = 0; i < (int)nn->args->argc; i++) {
1530 switch (nn->args->argv[i].arg) {
1531 case (MDOC_Centred):
1532 /* FALLTHROUGH */
1533 case (MDOC_Ragged):
1534 /* FALLTHROUGH */
1535 case (MDOC_Filled):
1536 /* FALLTHROUGH */
1537 case (MDOC_Unfilled):
1538 /* FALLTHROUGH */
1539 case (MDOC_Literal):
1540 type = nn->args->argv[i].arg;
1541 break;
1542 case (MDOC_Offset):
1543 p->offset += a2offs(&nn->args->argv[i]);
1544 break;
1545 default:
1546 break;
1547 }
1548 }
1549
1550 /*
1551 * If -ragged or -filled are specified, the block does nothing
1552 * but change the indentation. If -unfilled or -literal are
1553 * specified, text is printed exactly as entered in the display:
1554 * for macro lines, a newline is appended to the line. Blank
1555 * lines are allowed.
1556 */
1557
1558 assert(type > -1);
1559 if (MDOC_Literal != type && MDOC_Unfilled != type)
1560 return(1);
1561
1562 for (nn = n->child; nn; nn = nn->next) {
1563 p->flags |= TERMP_NOSPACE;
1564 print_node(p, pair, m, nn);
1565 if (NULL == nn->next)
1566 continue;
1567 if (nn->prev && nn->prev->line < nn->line)
1568 term_flushln(p);
1569 else if (NULL == nn->prev)
1570 term_flushln(p);
1571 }
1572
1573 return(0);
1574 }
1575
1576
1577 /* ARGSUSED */
1578 static void
1579 termp_bd_post(DECL_ARGS)
1580 {
1581
1582 if (MDOC_BODY != n->type)
1583 return;
1584 p->flags |= TERMP_NOSPACE;
1585 term_flushln(p);
1586 }
1587
1588
1589 /* ARGSUSED */
1590 static int
1591 termp_qq_pre(DECL_ARGS)
1592 {
1593
1594 if (MDOC_BODY != n->type)
1595 return(1);
1596 term_word(p, "\"");
1597 p->flags |= TERMP_NOSPACE;
1598 return(1);
1599 }
1600
1601
1602 /* ARGSUSED */
1603 static void
1604 termp_qq_post(DECL_ARGS)
1605 {
1606
1607 if (MDOC_BODY != n->type)
1608 return;
1609 p->flags |= TERMP_NOSPACE;
1610 term_word(p, "\"");
1611 }
1612
1613
1614 /* ARGSUSED */
1615 static void
1616 termp_bx_post(DECL_ARGS)
1617 {
1618
1619 if (n->child)
1620 p->flags |= TERMP_NOSPACE;
1621 term_word(p, "BSD");
1622 }
1623
1624
1625 /* ARGSUSED */
1626 static int
1627 termp_xx_pre(DECL_ARGS)
1628 {
1629 const char *pp;
1630
1631 pp = NULL;
1632 switch (n->tok) {
1633 case (MDOC_Bsx):
1634 pp = "BSDI BSD/OS";
1635 break;
1636 case (MDOC_Dx):
1637 pp = "DragonFly";
1638 break;
1639 case (MDOC_Fx):
1640 pp = "FreeBSD";
1641 break;
1642 case (MDOC_Nx):
1643 pp = "NetBSD";
1644 break;
1645 case (MDOC_Ox):
1646 pp = "OpenBSD";
1647 break;
1648 case (MDOC_Ux):
1649 pp = "UNIX";
1650 break;
1651 default:
1652 break;
1653 }
1654
1655 assert(pp);
1656 term_word(p, pp);
1657 return(1);
1658 }
1659
1660
1661 /* ARGSUSED */
1662 static int
1663 termp_sq_pre(DECL_ARGS)
1664 {
1665
1666 if (MDOC_BODY != n->type)
1667 return(1);
1668 term_word(p, "\\(oq");
1669 p->flags |= TERMP_NOSPACE;
1670 return(1);
1671 }
1672
1673
1674 /* ARGSUSED */
1675 static void
1676 termp_sq_post(DECL_ARGS)
1677 {
1678
1679 if (MDOC_BODY != n->type)
1680 return;
1681 p->flags |= TERMP_NOSPACE;
1682 term_word(p, "\\(aq");
1683 }
1684
1685
1686 /* ARGSUSED */
1687 static int
1688 termp_pf_pre(DECL_ARGS)
1689 {
1690
1691 p->flags |= TERMP_IGNDELIM;
1692 return(1);
1693 }
1694
1695
1696 /* ARGSUSED */
1697 static void
1698 termp_pf_post(DECL_ARGS)
1699 {
1700
1701 p->flags &= ~TERMP_IGNDELIM;
1702 p->flags |= TERMP_NOSPACE;
1703 }
1704
1705
1706 /* ARGSUSED */
1707 static int
1708 termp_ss_pre(DECL_ARGS)
1709 {
1710
1711 switch (n->type) {
1712 case (MDOC_BLOCK):
1713 term_newln(p);
1714 if (n->prev)
1715 term_vspace(p);
1716 break;
1717 case (MDOC_HEAD):
1718 p->bold++;
1719 p->offset = HALFINDENT;
1720 break;
1721 default:
1722 break;
1723 }
1724
1725 return(1);
1726 }
1727
1728
1729 /* ARGSUSED */
1730 static void
1731 termp_ss_post(DECL_ARGS)
1732 {
1733
1734 if (MDOC_HEAD == n->type)
1735 term_newln(p);
1736 }
1737
1738
1739 /* ARGSUSED */
1740 static int
1741 termp_cd_pre(DECL_ARGS)
1742 {
1743
1744 p->bold++;
1745 term_newln(p);
1746 return(1);
1747 }
1748
1749
1750 /* ARGSUSED */
1751 static int
1752 termp_in_pre(DECL_ARGS)
1753 {
1754
1755 p->bold++;
1756 if (SEC_SYNOPSIS == n->sec)
1757 term_word(p, "#include");
1758
1759 term_word(p, "<");
1760 p->flags |= TERMP_NOSPACE;
1761 return(1);
1762 }
1763
1764
1765 /* ARGSUSED */
1766 static void
1767 termp_in_post(DECL_ARGS)
1768 {
1769
1770 p->bold++;
1771 p->flags |= TERMP_NOSPACE;
1772 term_word(p, ">");
1773 p->bold--;
1774
1775 if (SEC_SYNOPSIS != n->sec)
1776 return;
1777
1778 term_newln(p);
1779 /*
1780 * XXX Not entirely correct. If `.In foo bar' is specified in
1781 * the SYNOPSIS section, then it produces a single break after
1782 * the <foo>; mandoc asserts a vertical space. Since this
1783 * construction is rarely used, I think it's fine.
1784 */
1785 if (n->next && MDOC_In != n->next->tok)
1786 term_vspace(p);
1787 }
1788
1789
1790 /* ARGSUSED */
1791 static int
1792 termp_sp_pre(DECL_ARGS)
1793 {
1794 size_t i, len;
1795
1796 switch (n->tok) {
1797 case (MDOC_sp):
1798 len = n->child ? a2height(n->child) : 1;
1799 break;
1800 case (MDOC_br):
1801 len = 0;
1802 break;
1803 default:
1804 len = 1;
1805 break;
1806 }
1807
1808 if (0 == len)
1809 term_newln(p);
1810 for (i = 0; i < len; i++)
1811 term_vspace(p);
1812
1813 return(0);
1814 }
1815
1816
1817 /* ARGSUSED */
1818 static int
1819 termp_brq_pre(DECL_ARGS)
1820 {
1821
1822 if (MDOC_BODY != n->type)
1823 return(1);
1824 term_word(p, "\\(lC");
1825 p->flags |= TERMP_NOSPACE;
1826 return(1);
1827 }
1828
1829
1830 /* ARGSUSED */
1831 static void
1832 termp_brq_post(DECL_ARGS)
1833 {
1834
1835 if (MDOC_BODY != n->type)
1836 return;
1837 p->flags |= TERMP_NOSPACE;
1838 term_word(p, "\\(rC");
1839 }
1840
1841
1842 /* ARGSUSED */
1843 static int
1844 termp_bq_pre(DECL_ARGS)
1845 {
1846
1847 if (MDOC_BODY != n->type)
1848 return(1);
1849 term_word(p, "\\(lB");
1850 p->flags |= TERMP_NOSPACE;
1851 return(1);
1852 }
1853
1854
1855 /* ARGSUSED */
1856 static void
1857 termp_bq_post(DECL_ARGS)
1858 {
1859
1860 if (MDOC_BODY != n->type)
1861 return;
1862 p->flags |= TERMP_NOSPACE;
1863 term_word(p, "\\(rB");
1864 }
1865
1866
1867 /* ARGSUSED */
1868 static int
1869 termp_pq_pre(DECL_ARGS)
1870 {
1871
1872 if (MDOC_BODY != n->type)
1873 return(1);
1874 term_word(p, "\\&(");
1875 p->flags |= TERMP_NOSPACE;
1876 return(1);
1877 }
1878
1879
1880 /* ARGSUSED */
1881 static void
1882 termp_pq_post(DECL_ARGS)
1883 {
1884
1885 if (MDOC_BODY != n->type)
1886 return;
1887 term_word(p, ")");
1888 }
1889
1890
1891 /* ARGSUSED */
1892 static int
1893 termp_fo_pre(DECL_ARGS)
1894 {
1895 const struct mdoc_node *nn;
1896
1897 if (MDOC_BODY == n->type) {
1898 p->flags |= TERMP_NOSPACE;
1899 term_word(p, "(");
1900 p->flags |= TERMP_NOSPACE;
1901 return(1);
1902 } else if (MDOC_HEAD != n->type)
1903 return(1);
1904
1905 p->bold++;
1906 for (nn = n->child; nn; nn = nn->next) {
1907 assert(MDOC_TEXT == nn->type);
1908 term_word(p, nn->string);
1909 }
1910 p->bold--;
1911
1912 return(0);
1913 }
1914
1915
1916 /* ARGSUSED */
1917 static void
1918 termp_fo_post(DECL_ARGS)
1919 {
1920
1921 if (MDOC_BODY != n->type)
1922 return;
1923 p->flags |= TERMP_NOSPACE;
1924 term_word(p, ")");
1925 p->flags |= TERMP_NOSPACE;
1926 term_word(p, ";");
1927 term_newln(p);
1928 }
1929
1930
1931 /* ARGSUSED */
1932 static int
1933 termp_bf_pre(DECL_ARGS)
1934 {
1935 const struct mdoc_node *nn;
1936
1937 if (MDOC_HEAD == n->type)
1938 return(0);
1939 else if (MDOC_BLOCK != n->type)
1940 return(1);
1941
1942 if (NULL == (nn = n->head->child)) {
1943 if (arg_hasattr(MDOC_Emphasis, n))
1944 p->under++;
1945 else if (arg_hasattr(MDOC_Symbolic, n))
1946 p->bold++;
1947
1948 return(1);
1949 }
1950
1951 assert(MDOC_TEXT == nn->type);
1952 if (0 == strcmp("Em", nn->string))
1953 p->under++;
1954 else if (0 == strcmp("Sy", nn->string))
1955 p->bold++;
1956
1957 return(1);
1958 }
1959
1960
1961 /* ARGSUSED */
1962 static int
1963 termp_sm_pre(DECL_ARGS)
1964 {
1965
1966 assert(n->child && MDOC_TEXT == n->child->type);
1967 if (0 == strcmp("on", n->child->string)) {
1968 p->flags &= ~TERMP_NONOSPACE;
1969 p->flags &= ~TERMP_NOSPACE;
1970 } else
1971 p->flags |= TERMP_NONOSPACE;
1972
1973 return(0);
1974 }
1975
1976
1977 /* ARGSUSED */
1978 static int
1979 termp_ap_pre(DECL_ARGS)
1980 {
1981
1982 p->flags |= TERMP_NOSPACE;
1983 term_word(p, "\\(aq");
1984 p->flags |= TERMP_NOSPACE;
1985 return(1);
1986 }
1987
1988
1989 /* ARGSUSED */
1990 static void
1991 termp____post(DECL_ARGS)
1992 {
1993
1994 /* TODO: %U. */
1995
1996 p->flags |= TERMP_NOSPACE;
1997 switch (n->tok) {
1998 case (MDOC__T):
1999 term_word(p, "\\(rq");
2000 p->flags |= TERMP_NOSPACE;
2001 break;
2002 default:
2003 break;
2004 }
2005 term_word(p, n->next ? "," : ".");
2006 }
2007
2008
2009 /* ARGSUSED */
2010 static int
2011 termp_lk_pre(DECL_ARGS)
2012 {
2013 const struct mdoc_node *nn;
2014
2015 p->under++;
2016 nn = n->child;
2017
2018 if (NULL == nn->next)
2019 return(1);
2020
2021 term_word(p, nn->string);
2022 p->under--;
2023
2024 p->flags |= TERMP_NOSPACE;
2025 term_word(p, ":");
2026
2027 p->bold++;
2028 for (nn = nn->next; nn; nn = nn->next)
2029 term_word(p, nn->string);
2030 p->bold--;
2031
2032 return(0);
2033 }
2034
2035
2036 /* ARGSUSED */
2037 static int
2038 termp_under_pre(DECL_ARGS)
2039 {
2040
2041 p->under++;
2042 return(1);
2043 }
2044
2045
2046 /* ARGSUSED */
2047 static int
2048 termp__t_pre(DECL_ARGS)
2049 {
2050
2051 term_word(p, "\\(lq");
2052 p->flags |= TERMP_NOSPACE;
2053 return(1);
2054 }
DragonFly BSD