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mandoc(1): Update to 1.9.15.
[dragonfly.git] / usr.bin / mandoc / mdoc_term.c
blob2023d5bc836f499dc5a1405e7aa2a382b4b38033
1 /* $Id: mdoc_term.c,v 1.110 2010/01/30 08:42:21 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 count;
37 };
38
39 #define DECL_ARGS struct termp *p, \
40 struct termpair *pair, \
41 const struct mdoc_meta *m, \
42 const struct mdoc_node *n
43
44 struct termact {
45 int (*pre)(DECL_ARGS);
46 void (*post)(DECL_ARGS);
47 };
48
49 static size_t a2width(const struct mdoc_argv *, int);
50 static size_t a2height(const struct mdoc_node *);
51 static size_t a2offs(const struct mdoc_argv *);
52
53 static int arg_hasattr(int, const struct mdoc_node *);
54 static int arg_getattrs(const int *, int *, size_t,
55 const struct mdoc_node *);
56 static int arg_getattr(int, const struct mdoc_node *);
57 static int arg_listtype(const struct mdoc_node *);
58 static void print_bvspace(struct termp *,
59 const struct mdoc_node *,
60 const struct mdoc_node *);
61 static void print_mdoc_node(DECL_ARGS);
62 static void print_mdoc_head(DECL_ARGS);
63 static void print_mdoc_nodelist(DECL_ARGS);
64 static void print_foot(DECL_ARGS);
65
66 static void termp____post(DECL_ARGS);
67 static void termp_an_post(DECL_ARGS);
68 static void termp_aq_post(DECL_ARGS);
69 static void termp_bd_post(DECL_ARGS);
70 static void termp_bl_post(DECL_ARGS);
71 static void termp_bq_post(DECL_ARGS);
72 static void termp_brq_post(DECL_ARGS);
73 static void termp_bx_post(DECL_ARGS);
74 static void termp_d1_post(DECL_ARGS);
75 static void termp_dq_post(DECL_ARGS);
76 static void termp_fd_post(DECL_ARGS);
77 static void termp_fn_post(DECL_ARGS);
78 static void termp_fo_post(DECL_ARGS);
79 static void termp_ft_post(DECL_ARGS);
80 static void termp_in_post(DECL_ARGS);
81 static void termp_it_post(DECL_ARGS);
82 static void termp_lb_post(DECL_ARGS);
83 static void termp_op_post(DECL_ARGS);
84 static void termp_pf_post(DECL_ARGS);
85 static void termp_pq_post(DECL_ARGS);
86 static void termp_qq_post(DECL_ARGS);
87 static void termp_sh_post(DECL_ARGS);
88 static void termp_sq_post(DECL_ARGS);
89 static void termp_ss_post(DECL_ARGS);
90 static void termp_vt_post(DECL_ARGS);
91
92 static int termp__t_pre(DECL_ARGS);
93 static int termp_an_pre(DECL_ARGS);
94 static int termp_ap_pre(DECL_ARGS);
95 static int termp_aq_pre(DECL_ARGS);
96 static int termp_bd_pre(DECL_ARGS);
97 static int termp_bf_pre(DECL_ARGS);
98 static int termp_bold_pre(DECL_ARGS);
99 static int termp_bq_pre(DECL_ARGS);
100 static int termp_brq_pre(DECL_ARGS);
101 static int termp_bt_pre(DECL_ARGS);
102 static int termp_cd_pre(DECL_ARGS);
103 static int termp_d1_pre(DECL_ARGS);
104 static int termp_dq_pre(DECL_ARGS);
105 static int termp_ex_pre(DECL_ARGS);
106 static int termp_fa_pre(DECL_ARGS);
107 static int termp_fl_pre(DECL_ARGS);
108 static int termp_fn_pre(DECL_ARGS);
109 static int termp_fo_pre(DECL_ARGS);
110 static int termp_ft_pre(DECL_ARGS);
111 static int termp_in_pre(DECL_ARGS);
112 static int termp_it_pre(DECL_ARGS);
113 static int termp_li_pre(DECL_ARGS);
114 static int termp_lk_pre(DECL_ARGS);
115 static int termp_nd_pre(DECL_ARGS);
116 static int termp_nm_pre(DECL_ARGS);
117 static int termp_ns_pre(DECL_ARGS);
118 static int termp_op_pre(DECL_ARGS);
119 static int termp_pf_pre(DECL_ARGS);
120 static int termp_pq_pre(DECL_ARGS);
121 static int termp_qq_pre(DECL_ARGS);
122 static int termp_rs_pre(DECL_ARGS);
123 static int termp_rv_pre(DECL_ARGS);
124 static int termp_sh_pre(DECL_ARGS);
125 static int termp_sm_pre(DECL_ARGS);
126 static int termp_sp_pre(DECL_ARGS);
127 static int termp_sq_pre(DECL_ARGS);
128 static int termp_ss_pre(DECL_ARGS);
129 static int termp_under_pre(DECL_ARGS);
130 static int termp_ud_pre(DECL_ARGS);
131 static int termp_vt_pre(DECL_ARGS);
132 static int termp_xr_pre(DECL_ARGS);
133 static int termp_xx_pre(DECL_ARGS);
134
135 static const struct termact termacts[MDOC_MAX] = {
136 { termp_ap_pre, NULL }, /* Ap */
137 { NULL, NULL }, /* Dd */
138 { NULL, NULL }, /* Dt */
139 { NULL, NULL }, /* Os */
140 { termp_sh_pre, termp_sh_post }, /* Sh */
141 { termp_ss_pre, termp_ss_post }, /* Ss */
142 { termp_sp_pre, NULL }, /* Pp */
143 { termp_d1_pre, termp_d1_post }, /* D1 */
144 { termp_d1_pre, termp_d1_post }, /* Dl */
145 { termp_bd_pre, termp_bd_post }, /* Bd */
146 { NULL, NULL }, /* Ed */
147 { NULL, termp_bl_post }, /* Bl */
148 { NULL, NULL }, /* El */
149 { termp_it_pre, termp_it_post }, /* It */
150 { NULL, NULL }, /* Ad */
151 { termp_an_pre, termp_an_post }, /* An */
152 { termp_under_pre, NULL }, /* Ar */
153 { termp_cd_pre, NULL }, /* Cd */
154 { termp_bold_pre, NULL }, /* Cm */
155 { NULL, NULL }, /* Dv */
156 { NULL, NULL }, /* Er */
157 { NULL, NULL }, /* Ev */
158 { termp_ex_pre, NULL }, /* Ex */
159 { termp_fa_pre, NULL }, /* Fa */
160 { termp_bold_pre, termp_fd_post }, /* Fd */
161 { termp_fl_pre, NULL }, /* Fl */
162 { termp_fn_pre, termp_fn_post }, /* Fn */
163 { termp_ft_pre, termp_ft_post }, /* Ft */
164 { termp_bold_pre, NULL }, /* Ic */
165 { termp_in_pre, termp_in_post }, /* In */
166 { termp_li_pre, NULL }, /* Li */
167 { termp_nd_pre, NULL }, /* Nd */
168 { termp_nm_pre, NULL }, /* Nm */
169 { termp_op_pre, termp_op_post }, /* Op */
170 { NULL, NULL }, /* Ot */
171 { termp_under_pre, NULL }, /* Pa */
172 { termp_rv_pre, NULL }, /* Rv */
173 { NULL, NULL }, /* St */
174 { termp_under_pre, NULL }, /* Va */
175 { termp_vt_pre, termp_vt_post }, /* Vt */
176 { termp_xr_pre, NULL }, /* Xr */
177 { NULL, termp____post }, /* %A */
178 { termp_under_pre, termp____post }, /* %B */
179 { NULL, termp____post }, /* %D */
180 { termp_under_pre, termp____post }, /* %I */
181 { termp_under_pre, termp____post }, /* %J */
182 { NULL, termp____post }, /* %N */
183 { NULL, termp____post }, /* %O */
184 { NULL, termp____post }, /* %P */
185 { NULL, termp____post }, /* %R */
186 { termp__t_pre, termp____post }, /* %T */
187 { NULL, termp____post }, /* %V */
188 { NULL, NULL }, /* Ac */
189 { termp_aq_pre, termp_aq_post }, /* Ao */
190 { termp_aq_pre, termp_aq_post }, /* Aq */
191 { NULL, NULL }, /* At */
192 { NULL, NULL }, /* Bc */
193 { termp_bf_pre, NULL }, /* Bf */
194 { termp_bq_pre, termp_bq_post }, /* Bo */
195 { termp_bq_pre, termp_bq_post }, /* Bq */
196 { termp_xx_pre, NULL }, /* Bsx */
197 { NULL, termp_bx_post }, /* Bx */
198 { NULL, NULL }, /* Db */
199 { NULL, NULL }, /* Dc */
200 { termp_dq_pre, termp_dq_post }, /* Do */
201 { termp_dq_pre, termp_dq_post }, /* Dq */
202 { NULL, NULL }, /* Ec */
203 { NULL, NULL }, /* Ef */
204 { termp_under_pre, NULL }, /* Em */
205 { NULL, NULL }, /* Eo */
206 { termp_xx_pre, NULL }, /* Fx */
207 { termp_bold_pre, NULL }, /* Ms */ /* FIXME: convert to symbol? */
208 { NULL, NULL }, /* No */
209 { termp_ns_pre, NULL }, /* Ns */
210 { termp_xx_pre, NULL }, /* Nx */
211 { termp_xx_pre, NULL }, /* Ox */
212 { NULL, NULL }, /* Pc */
213 { termp_pf_pre, termp_pf_post }, /* Pf */
214 { termp_pq_pre, termp_pq_post }, /* Po */
215 { termp_pq_pre, termp_pq_post }, /* Pq */
216 { NULL, NULL }, /* Qc */
217 { termp_sq_pre, termp_sq_post }, /* Ql */
218 { termp_qq_pre, termp_qq_post }, /* Qo */
219 { termp_qq_pre, termp_qq_post }, /* Qq */
220 { NULL, NULL }, /* Re */
221 { termp_rs_pre, NULL }, /* Rs */
222 { NULL, NULL }, /* Sc */
223 { termp_sq_pre, termp_sq_post }, /* So */
224 { termp_sq_pre, termp_sq_post }, /* Sq */
225 { termp_sm_pre, NULL }, /* Sm */
226 { termp_under_pre, NULL }, /* Sx */
227 { termp_bold_pre, NULL }, /* Sy */
228 { NULL, NULL }, /* Tn */
229 { termp_xx_pre, NULL }, /* Ux */
230 { NULL, NULL }, /* Xc */
231 { NULL, NULL }, /* Xo */
232 { termp_fo_pre, termp_fo_post }, /* Fo */
233 { NULL, NULL }, /* Fc */
234 { termp_op_pre, termp_op_post }, /* Oo */
235 { NULL, NULL }, /* Oc */
236 { NULL, NULL }, /* Bk */
237 { NULL, NULL }, /* Ek */
238 { termp_bt_pre, NULL }, /* Bt */
239 { NULL, NULL }, /* Hf */
240 { NULL, NULL }, /* Fr */
241 { termp_ud_pre, NULL }, /* Ud */
242 { NULL, termp_lb_post }, /* Lb */
243 { termp_sp_pre, NULL }, /* Lp */
244 { termp_lk_pre, NULL }, /* Lk */
245 { termp_under_pre, NULL }, /* Mt */
246 { termp_brq_pre, termp_brq_post }, /* Brq */
247 { termp_brq_pre, termp_brq_post }, /* Bro */
248 { NULL, NULL }, /* Brc */
249 { NULL, termp____post }, /* %C */
250 { NULL, NULL }, /* Es */ /* TODO */
251 { NULL, NULL }, /* En */ /* TODO */
252 { termp_xx_pre, NULL }, /* Dx */
253 { NULL, termp____post }, /* %Q */
254 { termp_sp_pre, NULL }, /* br */
255 { termp_sp_pre, NULL }, /* sp */
256 { termp_under_pre, termp____post }, /* %U */
257 };
258
259
260 void
261 terminal_mdoc(void *arg, const struct mdoc *mdoc)
262 {
263 const struct mdoc_node *n;
264 const struct mdoc_meta *m;
265 struct termp *p;
266
267 p = (struct termp *)arg;
268
269 if (NULL == p->symtab)
270 switch (p->enc) {
271 case (TERMENC_ASCII):
272 p->symtab = chars_init(CHARS_ASCII);
273 break;
274 default:
275 abort();
276 /* NOTREACHED */
277 }
278
279 n = mdoc_node(mdoc);
280 m = mdoc_meta(mdoc);
281
282 print_mdoc_head(p, NULL, m, n);
283 if (n->child)
284 print_mdoc_nodelist(p, NULL, m, n->child);
285 print_foot(p, NULL, m, n);
286 }
287
288
289 static void
290 print_mdoc_nodelist(DECL_ARGS)
291 {
292
293 print_mdoc_node(p, pair, m, n);
294 if (n->next)
295 print_mdoc_nodelist(p, pair, m, n->next);
296 }
297
298
299 /* ARGSUSED */
300 static void
301 print_mdoc_node(DECL_ARGS)
302 {
303 int chld;
304 const void *font;
305 struct termpair npair;
306 size_t offset, rmargin;
307
308 chld = 1;
309 offset = p->offset;
310 rmargin = p->rmargin;
311 font = term_fontq(p);
312
313 memset(&npair, 0, sizeof(struct termpair));
314 npair.ppair = pair;
315
316 if (MDOC_TEXT != n->type) {
317 if (termacts[n->tok].pre)
318 chld = (*termacts[n->tok].pre)(p, &npair, m, n);
319 } else
320 term_word(p, n->string);
321
322 if (chld && n->child)
323 print_mdoc_nodelist(p, &npair, m, n->child);
324
325 term_fontpopq(p, font);
326
327 if (MDOC_TEXT != n->type)
328 if (termacts[n->tok].post)
329 (*termacts[n->tok].post)(p, &npair, m, n);
330
331 p->offset = offset;
332 p->rmargin = rmargin;
333 }
334
335
336 /* ARGSUSED */
337 static void
338 print_foot(DECL_ARGS)
339 {
340 char buf[DATESIZ], os[BUFSIZ];
341
342 term_fontrepl(p, TERMFONT_NONE);
343
344 /*
345 * Output the footer in new-groff style, that is, three columns
346 * with the middle being the manual date and flanking columns
347 * being the operating system:
348 *
349 * SYSTEM DATE SYSTEM
350 */
351
352 time2a(m->date, buf, DATESIZ);
353 strlcpy(os, m->os, BUFSIZ);
354
355 term_vspace(p);
356
357 p->offset = 0;
358 p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
359 p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
360
361 term_word(p, os);
362 term_flushln(p);
363
364 p->offset = p->rmargin;
365 p->rmargin = p->maxrmargin - strlen(os);
366 p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
367
368 term_word(p, buf);
369 term_flushln(p);
370
371 p->offset = p->rmargin;
372 p->rmargin = p->maxrmargin;
373 p->flags &= ~TERMP_NOBREAK;
374 p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
375
376 term_word(p, os);
377 term_flushln(p);
378
379 p->offset = 0;
380 p->rmargin = p->maxrmargin;
381 p->flags = 0;
382 }
383
384
385 /* ARGSUSED */
386 static void
387 print_mdoc_head(DECL_ARGS)
388 {
389 char buf[BUFSIZ], title[BUFSIZ];
390
391 p->rmargin = p->maxrmargin;
392 p->offset = 0;
393
394 /*
395 * The header is strange. It has three components, which are
396 * really two with the first duplicated. It goes like this:
397 *
398 * IDENTIFIER TITLE IDENTIFIER
399 *
400 * The IDENTIFIER is NAME(SECTION), which is the command-name
401 * (if given, or "unknown" if not) followed by the manual page
402 * section. These are given in `Dt'. The TITLE is a free-form
403 * string depending on the manual volume. If not specified, it
404 * switches on the manual section.
405 */
406
407 assert(m->vol);
408 strlcpy(buf, m->vol, BUFSIZ);
409
410 if (m->arch) {
411 strlcat(buf, " (", BUFSIZ);
412 strlcat(buf, m->arch, BUFSIZ);
413 strlcat(buf, ")", BUFSIZ);
414 }
415
416 snprintf(title, BUFSIZ, "%s(%d)", m->title, m->msec);
417
418 p->offset = 0;
419 p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
420 p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
421
422 term_word(p, title);
423 term_flushln(p);
424
425 p->offset = p->rmargin;
426 p->rmargin = p->maxrmargin - strlen(title);
427 p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
428
429 term_word(p, buf);
430 term_flushln(p);
431
432 p->offset = p->rmargin;
433 p->rmargin = p->maxrmargin;
434 p->flags &= ~TERMP_NOBREAK;
435 p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
436
437 term_word(p, title);
438 term_flushln(p);
439
440 p->offset = 0;
441 p->rmargin = p->maxrmargin;
442 p->flags &= ~TERMP_NOSPACE;
443 }
444
445
446 static size_t
447 a2height(const struct mdoc_node *n)
448 {
449 struct roffsu su;
450
451 assert(MDOC_TEXT == n->type);
452 assert(n->string);
453 if ( ! a2roffsu(n->string, &su, SCALE_VS))
454 SCALE_VS_INIT(&su, strlen(n->string));
455
456 return(term_vspan(&su));
457 }
458
459
460 static size_t
461 a2width(const struct mdoc_argv *arg, int pos)
462 {
463 struct roffsu su;
464
465 assert(arg->value[pos]);
466 if ( ! a2roffsu(arg->value[pos], &su, SCALE_MAX))
467 SCALE_HS_INIT(&su, strlen(arg->value[pos]));
468
469 return(term_hspan(&su));
470 }
471
472
473 static int
474 arg_listtype(const struct mdoc_node *n)
475 {
476 int i, len;
477
478 assert(MDOC_BLOCK == n->type);
479
480 len = (int)(n->args ? n->args->argc : 0);
481
482 for (i = 0; i < len; i++)
483 switch (n->args->argv[i].arg) {
484 case (MDOC_Bullet):
485 /* FALLTHROUGH */
486 case (MDOC_Dash):
487 /* FALLTHROUGH */
488 case (MDOC_Enum):
489 /* FALLTHROUGH */
490 case (MDOC_Hyphen):
491 /* FALLTHROUGH */
492 case (MDOC_Tag):
493 /* FALLTHROUGH */
494 case (MDOC_Inset):
495 /* FALLTHROUGH */
496 case (MDOC_Diag):
497 /* FALLTHROUGH */
498 case (MDOC_Item):
499 /* FALLTHROUGH */
500 case (MDOC_Column):
501 /* FALLTHROUGH */
502 case (MDOC_Hang):
503 /* FALLTHROUGH */
504 case (MDOC_Ohang):
505 return(n->args->argv[i].arg);
506 default:
507 break;
508 }
509
510 return(-1);
511 }
512
513
514 static size_t
515 a2offs(const struct mdoc_argv *arg)
516 {
517 struct roffsu su;
518
519 if ('\0' == arg->value[0][0])
520 return(0);
521 else if (0 == strcmp(arg->value[0], "left"))
522 return(0);
523 else if (0 == strcmp(arg->value[0], "indent"))
524 return(INDENT + 1);
525 else if (0 == strcmp(arg->value[0], "indent-two"))
526 return((INDENT + 1) * 2);
527 else if ( ! a2roffsu(arg->value[0], &su, SCALE_MAX))
528 SCALE_HS_INIT(&su, strlen(arg->value[0]));
529
530 return(term_hspan(&su));
531 }
532
533
534 /*
535 * Return 1 if an argument has a particular argument value or 0 if it
536 * does not. See arg_getattr().
537 */
538 static int
539 arg_hasattr(int arg, const struct mdoc_node *n)
540 {
541
542 return(-1 != arg_getattr(arg, n));
543 }
544
545
546 /*
547 * Get the index of an argument in a node's argument list or -1 if it
548 * does not exist. See arg_getattrs().
549 */
550 static int
551 arg_getattr(int v, const struct mdoc_node *n)
552 {
553 int val;
554
555 return(arg_getattrs(&v, &val, 1, n) ? val : -1);
556 }
557
558
559 /*
560 * Walk through the argument list for a node and fill an array "vals"
561 * with the positions of the argument structures listed in "keys".
562 * Return the number of elements that were written into "vals", which
563 * can be zero.
564 */
565 static int
566 arg_getattrs(const int *keys, int *vals,
567 size_t sz, const struct mdoc_node *n)
568 {
569 int i, j, k;
570
571 if (NULL == n->args)
572 return(0);
573
574 for (k = i = 0; i < (int)n->args->argc; i++)
575 for (j = 0; j < (int)sz; j++)
576 if (n->args->argv[i].arg == keys[j]) {
577 vals[j] = i;
578 k++;
579 }
580 return(k);
581 }
582
583
584 /*
585 * Determine how much space to print out before block elements of `It'
586 * (and thus `Bl') and `Bd'. And then go ahead and print that space,
587 * too.
588 */
589 static void
590 print_bvspace(struct termp *p,
591 const struct mdoc_node *bl,
592 const struct mdoc_node *n)
593 {
594 const struct mdoc_node *nn;
595
596 term_newln(p);
597 if (arg_hasattr(MDOC_Compact, bl))
598 return;
599
600 /* Do not vspace directly after Ss/Sh. */
601
602 for (nn = n; nn; nn = nn->parent) {
603 if (MDOC_BLOCK != nn->type)
604 continue;
605 if (MDOC_Ss == nn->tok)
606 return;
607 if (MDOC_Sh == nn->tok)
608 return;
609 if (NULL == nn->prev)
610 continue;
611 break;
612 }
613
614 /* A `-column' does not assert vspace within the list. */
615
616 if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Column, bl))
617 if (n->prev && MDOC_It == n->prev->tok)
618 return;
619
620 /* A `-diag' without body does not vspace. */
621
622 if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Diag, bl))
623 if (n->prev && MDOC_It == n->prev->tok) {
624 assert(n->prev->body);
625 if (NULL == n->prev->body->child)
626 return;
627 }
628
629 term_vspace(p);
630 }
631
632
633 /* ARGSUSED */
634 static int
635 termp_dq_pre(DECL_ARGS)
636 {
637
638 if (MDOC_BODY != n->type)
639 return(1);
640
641 term_word(p, "\\(lq");
642 p->flags |= TERMP_NOSPACE;
643 return(1);
644 }
645
646
647 /* ARGSUSED */
648 static void
649 termp_dq_post(DECL_ARGS)
650 {
651
652 if (MDOC_BODY != n->type)
653 return;
654
655 p->flags |= TERMP_NOSPACE;
656 term_word(p, "\\(rq");
657 }
658
659
660 /* ARGSUSED */
661 static int
662 termp_it_pre(DECL_ARGS)
663 {
664 const struct mdoc_node *bl, *nn;
665 char buf[7];
666 int i, type, keys[3], vals[3];
667 size_t width, offset, ncols, dcol;
668
669 if (MDOC_BLOCK == n->type) {
670 print_bvspace(p, n->parent->parent, n);
671 return(1);
672 }
673
674 bl = n->parent->parent->parent;
675
676 /* Get list width, offset, and list type from argument list. */
677
678 keys[0] = MDOC_Width;
679 keys[1] = MDOC_Offset;
680 keys[2] = MDOC_Column;
681
682 vals[0] = vals[1] = vals[2] = -1;
683
684 arg_getattrs(keys, vals, 3, bl);
685
686 type = arg_listtype(bl);
687 assert(-1 != type);
688
689 /*
690 * First calculate width and offset. This is pretty easy unless
691 * we're a -column list, in which case all prior columns must
692 * be accounted for.
693 */
694
695 width = offset = 0;
696
697 if (vals[1] >= 0)
698 offset = a2offs(&bl->args->argv[vals[1]]);
699
700 switch (type) {
701 case (MDOC_Column):
702 if (MDOC_BODY == n->type)
703 break;
704 /*
705 * Imitate groff's column handling:
706 * - For each earlier column, add its width.
707 * - For less than 5 columns, add four more blanks per
708 * column.
709 * - For exactly 5 columns, add three more blank per
710 * column.
711 * - For more than 5 columns, add only one column.
712 */
713 ncols = bl->args->argv[vals[2]].sz;
714 /* LINTED */
715 dcol = ncols < 5 ? 4 : ncols == 5 ? 3 : 1;
716
717 for (i = 0, nn = n->prev;
718 nn && i < (int)ncols;
719 nn = nn->prev, i++)
720 offset += dcol + a2width
721 (&bl->args->argv[vals[2]], i);
722
723
724 /*
725 * When exceeding the declared number of columns, leave
726 * the remaining widths at 0. This will later be
727 * adjusted to the default width of 10, or, for the last
728 * column, stretched to the right margin.
729 */
730 if (i >= (int)ncols)
731 break;
732
733 /*
734 * Use the declared column widths, extended as explained
735 * in the preceding paragraph.
736 */
737 width = a2width(&bl->args->argv[vals[2]], i) + dcol;
738 break;
739 default:
740 if (vals[0] < 0)
741 break;
742
743 /*
744 * Note: buffer the width by 2, which is groff's magic
745 * number for buffering single arguments. See the above
746 * handling for column for how this changes.
747 */
748 width = a2width(&bl->args->argv[vals[0]], 0) + 2;
749 break;
750 }
751
752 /*
753 * List-type can override the width in the case of fixed-head
754 * values (bullet, dash/hyphen, enum). Tags need a non-zero
755 * offset.
756 */
757
758 switch (type) {
759 case (MDOC_Bullet):
760 /* FALLTHROUGH */
761 case (MDOC_Dash):
762 /* FALLTHROUGH */
763 case (MDOC_Hyphen):
764 if (width < 4)
765 width = 4;
766 break;
767 case (MDOC_Enum):
768 if (width < 5)
769 width = 5;
770 break;
771 case (MDOC_Hang):
772 if (0 == width)
773 width = 8;
774 break;
775 case (MDOC_Column):
776 /* FALLTHROUGH */
777 case (MDOC_Tag):
778 if (0 == width)
779 width = 10;
780 break;
781 default:
782 break;
783 }
784
785 /*
786 * Whitespace control. Inset bodies need an initial space,
787 * while diagonal bodies need two.
788 */
789
790 p->flags |= TERMP_NOSPACE;
791
792 switch (type) {
793 case (MDOC_Diag):
794 if (MDOC_BODY == n->type)
795 term_word(p, "\\ \\ ");
796 break;
797 case (MDOC_Inset):
798 if (MDOC_BODY == n->type)
799 term_word(p, "\\ ");
800 break;
801 default:
802 break;
803 }
804
805 p->flags |= TERMP_NOSPACE;
806
807 switch (type) {
808 case (MDOC_Diag):
809 if (MDOC_HEAD == n->type)
810 term_fontpush(p, TERMFONT_BOLD);
811 break;
812 default:
813 break;
814 }
815
816 /*
817 * Pad and break control. This is the tricky part. These flags
818 * are documented in term_flushln() in term.c. Note that we're
819 * going to unset all of these flags in termp_it_post() when we
820 * exit.
821 */
822
823 switch (type) {
824 case (MDOC_Bullet):
825 /* FALLTHROUGH */
826 case (MDOC_Dash):
827 /* FALLTHROUGH */
828 case (MDOC_Enum):
829 /* FALLTHROUGH */
830 case (MDOC_Hyphen):
831 if (MDOC_HEAD == n->type)
832 p->flags |= TERMP_NOBREAK;
833 else
834 p->flags |= TERMP_NOLPAD;
835 break;
836 case (MDOC_Hang):
837 if (MDOC_HEAD == n->type)
838 p->flags |= TERMP_NOBREAK;
839 else
840 p->flags |= TERMP_NOLPAD;
841
842 if (MDOC_HEAD != n->type)
843 break;
844
845 /*
846 * This is ugly. If `-hang' is specified and the body
847 * is a `Bl' or `Bd', then we want basically to nullify
848 * the "overstep" effect in term_flushln() and treat
849 * this as a `-ohang' list instead.
850 */
851 if (n->next->child &&
852 (MDOC_Bl == n->next->child->tok ||
853 MDOC_Bd == n->next->child->tok)) {
854 p->flags &= ~TERMP_NOBREAK;
855 p->flags &= ~TERMP_NOLPAD;
856 } else
857 p->flags |= TERMP_HANG;
858 break;
859 case (MDOC_Tag):
860 if (MDOC_HEAD == n->type)
861 p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
862 else
863 p->flags |= TERMP_NOLPAD;
864
865 if (MDOC_HEAD != n->type)
866 break;
867 if (NULL == n->next || NULL == n->next->child)
868 p->flags |= TERMP_DANGLE;
869 break;
870 case (MDOC_Column):
871 if (MDOC_HEAD == n->type) {
872 assert(n->next);
873 if (MDOC_BODY == n->next->type)
874 p->flags &= ~TERMP_NOBREAK;
875 else
876 p->flags |= TERMP_NOBREAK;
877 if (n->prev)
878 p->flags |= TERMP_NOLPAD;
879 }
880 break;
881 case (MDOC_Diag):
882 if (MDOC_HEAD == n->type)
883 p->flags |= TERMP_NOBREAK;
884 break;
885 default:
886 break;
887 }
888
889 /*
890 * Margin control. Set-head-width lists have their right
891 * margins shortened. The body for these lists has the offset
892 * necessarily lengthened. Everybody gets the offset.
893 */
894
895 p->offset += offset;
896
897 switch (type) {
898 case (MDOC_Hang):
899 /*
900 * Same stipulation as above, regarding `-hang'. We
901 * don't want to recalculate rmargin and offsets when
902 * using `Bd' or `Bl' within `-hang' overstep lists.
903 */
904 if (MDOC_HEAD == n->type && n->next->child &&
905 (MDOC_Bl == n->next->child->tok ||
906 MDOC_Bd == n->next->child->tok))
907 break;
908 /* FALLTHROUGH */
909 case (MDOC_Bullet):
910 /* FALLTHROUGH */
911 case (MDOC_Dash):
912 /* FALLTHROUGH */
913 case (MDOC_Enum):
914 /* FALLTHROUGH */
915 case (MDOC_Hyphen):
916 /* FALLTHROUGH */
917 case (MDOC_Tag):
918 assert(width);
919 if (MDOC_HEAD == n->type)
920 p->rmargin = p->offset + width;
921 else
922 p->offset += width;
923 break;
924 case (MDOC_Column):
925 assert(width);
926 p->rmargin = p->offset + width;
927 /*
928 * XXX - this behaviour is not documented: the
929 * right-most column is filled to the right margin.
930 */
931 if (MDOC_HEAD == n->type &&
932 MDOC_BODY == n->next->type &&
933 p->rmargin < p->maxrmargin)
934 p->rmargin = p->maxrmargin;
935 break;
936 default:
937 break;
938 }
939
940 /*
941 * The dash, hyphen, bullet and enum lists all have a special
942 * HEAD character (temporarily bold, in some cases).
943 */
944
945 if (MDOC_HEAD == n->type)
946 switch (type) {
947 case (MDOC_Bullet):
948 term_fontpush(p, TERMFONT_BOLD);
949 term_word(p, "\\[bu]");
950 term_fontpop(p);
951 break;
952 case (MDOC_Dash):
953 /* FALLTHROUGH */
954 case (MDOC_Hyphen):
955 term_fontpush(p, TERMFONT_BOLD);
956 term_word(p, "\\(hy");
957 term_fontpop(p);
958 break;
959 case (MDOC_Enum):
960 (pair->ppair->ppair->count)++;
961 snprintf(buf, sizeof(buf), "%d.",
962 pair->ppair->ppair->count);
963 term_word(p, buf);
964 break;
965 default:
966 break;
967 }
968
969 /*
970 * If we're not going to process our children, indicate so here.
971 */
972
973 switch (type) {
974 case (MDOC_Bullet):
975 /* FALLTHROUGH */
976 case (MDOC_Item):
977 /* FALLTHROUGH */
978 case (MDOC_Dash):
979 /* FALLTHROUGH */
980 case (MDOC_Hyphen):
981 /* FALLTHROUGH */
982 case (MDOC_Enum):
983 if (MDOC_HEAD == n->type)
984 return(0);
985 break;
986 case (MDOC_Column):
987 if (MDOC_BODY == n->type)
988 return(0);
989 break;
990 default:
991 break;
992 }
993
994 return(1);
995 }
996
997
998 /* ARGSUSED */
999 static void
1000 termp_it_post(DECL_ARGS)
1001 {
1002 int type;
1003
1004 if (MDOC_BLOCK == n->type)
1005 return;
1006
1007 type = arg_listtype(n->parent->parent->parent);
1008 assert(-1 != type);
1009
1010 switch (type) {
1011 case (MDOC_Item):
1012 /* FALLTHROUGH */
1013 case (MDOC_Diag):
1014 /* FALLTHROUGH */
1015 case (MDOC_Inset):
1016 if (MDOC_BODY == n->type)
1017 term_flushln(p);
1018 break;
1019 case (MDOC_Column):
1020 if (MDOC_HEAD == n->type)
1021 term_flushln(p);
1022 break;
1023 default:
1024 term_flushln(p);
1025 break;
1026 }
1027
1028 /*
1029 * Now that our output is flushed, we can reset our tags. Since
1030 * only `It' sets these flags, we're free to assume that nobody
1031 * has munged them in the meanwhile.
1032 */
1033
1034 p->flags &= ~TERMP_DANGLE;
1035 p->flags &= ~TERMP_NOBREAK;
1036 p->flags &= ~TERMP_TWOSPACE;
1037 p->flags &= ~TERMP_NOLPAD;
1038 p->flags &= ~TERMP_HANG;
1039 }
1040
1041
1042 /* ARGSUSED */
1043 static int
1044 termp_nm_pre(DECL_ARGS)
1045 {
1046
1047 if (SEC_SYNOPSIS == n->sec)
1048 term_newln(p);
1049
1050 term_fontpush(p, TERMFONT_BOLD);
1051
1052 if (NULL == n->child)
1053 term_word(p, m->name);
1054 return(1);
1055 }
1056
1057
1058 /* ARGSUSED */
1059 static int
1060 termp_fl_pre(DECL_ARGS)
1061 {
1062
1063 term_fontpush(p, TERMFONT_BOLD);
1064 term_word(p, "\\-");
1065
1066 /* A blank `Fl' should incur a subsequent space. */
1067
1068 if (n->child)
1069 p->flags |= TERMP_NOSPACE;
1070
1071 return(1);
1072 }
1073
1074
1075 /* ARGSUSED */
1076 static int
1077 termp_an_pre(DECL_ARGS)
1078 {
1079
1080 if (NULL == n->child)
1081 return(1);
1082
1083 /*
1084 * If not in the AUTHORS section, `An -split' will cause
1085 * newlines to occur before the author name. If in the AUTHORS
1086 * section, by default, the first `An' invocation is nosplit,
1087 * then all subsequent ones, regardless of whether interspersed
1088 * with other macros/text, are split. -split, in this case,
1089 * will override the condition of the implied first -nosplit.
1090 */
1091
1092 if (n->sec == SEC_AUTHORS) {
1093 if ( ! (TERMP_ANPREC & p->flags)) {
1094 if (TERMP_SPLIT & p->flags)
1095 term_newln(p);
1096 return(1);
1097 }
1098 if (TERMP_NOSPLIT & p->flags)
1099 return(1);
1100 term_newln(p);
1101 return(1);
1102 }
1103
1104 if (TERMP_SPLIT & p->flags)
1105 term_newln(p);
1106
1107 return(1);
1108 }
1109
1110
1111 /* ARGSUSED */
1112 static void
1113 termp_an_post(DECL_ARGS)
1114 {
1115
1116 if (n->child) {
1117 if (SEC_AUTHORS == n->sec)
1118 p->flags |= TERMP_ANPREC;
1119 return;
1120 }
1121
1122 if (arg_getattr(MDOC_Split, n) > -1) {
1123 p->flags &= ~TERMP_NOSPLIT;
1124 p->flags |= TERMP_SPLIT;
1125 } else {
1126 p->flags &= ~TERMP_SPLIT;
1127 p->flags |= TERMP_NOSPLIT;
1128 }
1129
1130 }
1131
1132
1133 /* ARGSUSED */
1134 static int
1135 termp_ns_pre(DECL_ARGS)
1136 {
1137
1138 p->flags |= TERMP_NOSPACE;
1139 return(1);
1140 }
1141
1142
1143 /* ARGSUSED */
1144 static int
1145 termp_rs_pre(DECL_ARGS)
1146 {
1147
1148 if (SEC_SEE_ALSO != n->sec)
1149 return(1);
1150 if (MDOC_BLOCK == n->type && n->prev)
1151 term_vspace(p);
1152 return(1);
1153 }
1154
1155
1156 /* ARGSUSED */
1157 static int
1158 termp_rv_pre(DECL_ARGS)
1159 {
1160 const struct mdoc_node *nn;
1161
1162 term_newln(p);
1163 term_word(p, "The");
1164
1165 for (nn = n->child; nn; nn = nn->next) {
1166 term_fontpush(p, TERMFONT_BOLD);
1167 term_word(p, nn->string);
1168 term_fontpop(p);
1169 p->flags |= TERMP_NOSPACE;
1170 if (nn->next && NULL == nn->next->next)
1171 term_word(p, "(), and");
1172 else if (nn->next)
1173 term_word(p, "(),");
1174 else
1175 term_word(p, "()");
1176 }
1177
1178 if (n->child->next)
1179 term_word(p, "functions return");
1180 else
1181 term_word(p, "function returns");
1182
1183 term_word(p, "the value 0 if successful; otherwise the value "
1184 "-1 is returned and the global variable");
1185
1186 term_fontpush(p, TERMFONT_UNDER);
1187 term_word(p, "errno");
1188 term_fontpop(p);
1189
1190 term_word(p, "is set to indicate the error.");
1191
1192 return(0);
1193 }
1194
1195
1196 /* ARGSUSED */
1197 static int
1198 termp_ex_pre(DECL_ARGS)
1199 {
1200 const struct mdoc_node *nn;
1201
1202 term_word(p, "The");
1203
1204 for (nn = n->child; nn; nn = nn->next) {
1205 term_fontpush(p, TERMFONT_BOLD);
1206 term_word(p, nn->string);
1207 term_fontpop(p);
1208 p->flags |= TERMP_NOSPACE;
1209 if (nn->next && NULL == nn->next->next)
1210 term_word(p, ", and");
1211 else if (nn->next)
1212 term_word(p, ",");
1213 else
1214 p->flags &= ~TERMP_NOSPACE;
1215 }
1216
1217 if (n->child->next)
1218 term_word(p, "utilities exit");
1219 else
1220 term_word(p, "utility exits");
1221
1222 term_word(p, "0 on success, and >0 if an error occurs.");
1223
1224 return(0);
1225 }
1226
1227
1228 /* ARGSUSED */
1229 static int
1230 termp_nd_pre(DECL_ARGS)
1231 {
1232
1233 if (MDOC_BODY != n->type)
1234 return(1);
1235
1236 #if defined(__OpenBSD__) || defined(__linux__)
1237 term_word(p, "\\(en");
1238 #else
1239 term_word(p, "\\(em");
1240 #endif
1241 return(1);
1242 }
1243
1244
1245 /* ARGSUSED */
1246 static void
1247 termp_bl_post(DECL_ARGS)
1248 {
1249
1250 if (MDOC_BLOCK == n->type)
1251 term_newln(p);
1252 }
1253
1254
1255 /* ARGSUSED */
1256 static void
1257 termp_op_post(DECL_ARGS)
1258 {
1259
1260 if (MDOC_BODY != n->type)
1261 return;
1262 p->flags |= TERMP_NOSPACE;
1263 term_word(p, "\\(rB");
1264 }
1265
1266
1267 /* ARGSUSED */
1268 static int
1269 termp_xr_pre(DECL_ARGS)
1270 {
1271 const struct mdoc_node *nn;
1272
1273 assert(n->child && MDOC_TEXT == n->child->type);
1274 nn = n->child;
1275
1276 term_word(p, nn->string);
1277 if (NULL == (nn = nn->next))
1278 return(0);
1279 p->flags |= TERMP_NOSPACE;
1280 term_word(p, "(");
1281 p->flags |= TERMP_NOSPACE;
1282 term_word(p, nn->string);
1283 p->flags |= TERMP_NOSPACE;
1284 term_word(p, ")");
1285
1286 return(0);
1287 }
1288
1289
1290 static int
1291 termp_vt_pre(DECL_ARGS)
1292 {
1293
1294 if (MDOC_ELEM == n->type)
1295 return(termp_under_pre(p, pair, m, n));
1296 else if (MDOC_HEAD == n->type)
1297 return(0);
1298 else if (MDOC_BLOCK == n->type)
1299 return(1);
1300
1301 return(termp_under_pre(p, pair, m, n));
1302 }
1303
1304
1305 /* ARGSUSED */
1306 static void
1307 termp_vt_post(DECL_ARGS)
1308 {
1309
1310 if (MDOC_BLOCK != n->type)
1311 return;
1312 if (n->next && MDOC_Vt == n->next->tok)
1313 term_newln(p);
1314 else if (n->next)
1315 term_vspace(p);
1316 }
1317
1318
1319 /* ARGSUSED */
1320 static int
1321 termp_bold_pre(DECL_ARGS)
1322 {
1323
1324 term_fontpush(p, TERMFONT_BOLD);
1325 return(1);
1326 }
1327
1328
1329 /* ARGSUSED */
1330 static void
1331 termp_fd_post(DECL_ARGS)
1332 {
1333
1334 if (n->sec != SEC_SYNOPSIS)
1335 return;
1336
1337 term_newln(p);
1338 if (n->next && MDOC_Fd != n->next->tok)
1339 term_vspace(p);
1340 }
1341
1342
1343 /* ARGSUSED */
1344 static int
1345 termp_sh_pre(DECL_ARGS)
1346 {
1347
1348 /* No vspace between consecutive `Sh' calls. */
1349
1350 switch (n->type) {
1351 case (MDOC_BLOCK):
1352 if (n->prev && MDOC_Sh == n->prev->tok)
1353 if (NULL == n->prev->body->child)
1354 break;
1355 term_vspace(p);
1356 break;
1357 case (MDOC_HEAD):
1358 term_fontpush(p, TERMFONT_BOLD);
1359 break;
1360 case (MDOC_BODY):
1361 p->offset = INDENT;
1362 break;
1363 default:
1364 break;
1365 }
1366 return(1);
1367 }
1368
1369
1370 /* ARGSUSED */
1371 static void
1372 termp_sh_post(DECL_ARGS)
1373 {
1374
1375 switch (n->type) {
1376 case (MDOC_HEAD):
1377 term_newln(p);
1378 break;
1379 case (MDOC_BODY):
1380 term_newln(p);
1381 p->offset = 0;
1382 break;
1383 default:
1384 break;
1385 }
1386 }
1387
1388
1389 /* ARGSUSED */
1390 static int
1391 termp_op_pre(DECL_ARGS)
1392 {
1393
1394 switch (n->type) {
1395 case (MDOC_BODY):
1396 term_word(p, "\\(lB");
1397 p->flags |= TERMP_NOSPACE;
1398 break;
1399 default:
1400 break;
1401 }
1402 return(1);
1403 }
1404
1405
1406 /* ARGSUSED */
1407 static int
1408 termp_bt_pre(DECL_ARGS)
1409 {
1410
1411 term_word(p, "is currently in beta test.");
1412 return(0);
1413 }
1414
1415
1416 /* ARGSUSED */
1417 static void
1418 termp_lb_post(DECL_ARGS)
1419 {
1420
1421 if (SEC_LIBRARY == n->sec)
1422 term_newln(p);
1423 }
1424
1425
1426 /* ARGSUSED */
1427 static int
1428 termp_ud_pre(DECL_ARGS)
1429 {
1430
1431 term_word(p, "currently under development.");
1432 return(0);
1433 }
1434
1435
1436 /* ARGSUSED */
1437 static int
1438 termp_d1_pre(DECL_ARGS)
1439 {
1440
1441 if (MDOC_BLOCK != n->type)
1442 return(1);
1443 term_newln(p);
1444 p->offset += (INDENT + 1);
1445 return(1);
1446 }
1447
1448
1449 /* ARGSUSED */
1450 static void
1451 termp_d1_post(DECL_ARGS)
1452 {
1453
1454 if (MDOC_BLOCK != n->type)
1455 return;
1456 term_newln(p);
1457 }
1458
1459
1460 /* ARGSUSED */
1461 static int
1462 termp_aq_pre(DECL_ARGS)
1463 {
1464
1465 if (MDOC_BODY != n->type)
1466 return(1);
1467 term_word(p, "\\(la");
1468 p->flags |= TERMP_NOSPACE;
1469 return(1);
1470 }
1471
1472
1473 /* ARGSUSED */
1474 static void
1475 termp_aq_post(DECL_ARGS)
1476 {
1477
1478 if (MDOC_BODY != n->type)
1479 return;
1480 p->flags |= TERMP_NOSPACE;
1481 term_word(p, "\\(ra");
1482 }
1483
1484
1485 /* ARGSUSED */
1486 static int
1487 termp_ft_pre(DECL_ARGS)
1488 {
1489
1490 if (SEC_SYNOPSIS == n->sec)
1491 if (n->prev && MDOC_Fo == n->prev->tok)
1492 term_vspace(p);
1493
1494 term_fontpush(p, TERMFONT_UNDER);
1495 return(1);
1496 }
1497
1498
1499 /* ARGSUSED */
1500 static void
1501 termp_ft_post(DECL_ARGS)
1502 {
1503
1504 if (SEC_SYNOPSIS == n->sec)
1505 term_newln(p);
1506 }
1507
1508
1509 /* ARGSUSED */
1510 static int
1511 termp_fn_pre(DECL_ARGS)
1512 {
1513 const struct mdoc_node *nn;
1514
1515 term_fontpush(p, TERMFONT_BOLD);
1516 term_word(p, n->child->string);
1517 term_fontpop(p);
1518
1519 p->flags |= TERMP_NOSPACE;
1520 term_word(p, "(");
1521
1522 for (nn = n->child->next; nn; nn = nn->next) {
1523 term_fontpush(p, TERMFONT_UNDER);
1524 term_word(p, nn->string);
1525 term_fontpop(p);
1526
1527 if (nn->next)
1528 term_word(p, ",");
1529 }
1530
1531 term_word(p, ")");
1532
1533 if (SEC_SYNOPSIS == n->sec)
1534 term_word(p, ";");
1535
1536 return(0);
1537 }
1538
1539
1540 /* ARGSUSED */
1541 static void
1542 termp_fn_post(DECL_ARGS)
1543 {
1544
1545 if (n->sec == SEC_SYNOPSIS && n->next)
1546 term_vspace(p);
1547 }
1548
1549
1550 /* ARGSUSED */
1551 static int
1552 termp_fa_pre(DECL_ARGS)
1553 {
1554 const struct mdoc_node *nn;
1555
1556 if (n->parent->tok != MDOC_Fo) {
1557 term_fontpush(p, TERMFONT_UNDER);
1558 return(1);
1559 }
1560
1561 for (nn = n->child; nn; nn = nn->next) {
1562 term_fontpush(p, TERMFONT_UNDER);
1563 term_word(p, nn->string);
1564 term_fontpop(p);
1565
1566 if (nn->next)
1567 term_word(p, ",");
1568 }
1569
1570 if (n->child && n->next && n->next->tok == MDOC_Fa)
1571 term_word(p, ",");
1572
1573 return(0);
1574 }
1575
1576
1577 /* ARGSUSED */
1578 static int
1579 termp_bd_pre(DECL_ARGS)
1580 {
1581 int i, type;
1582 const struct mdoc_node *nn;
1583
1584 if (MDOC_BLOCK == n->type) {
1585 print_bvspace(p, n, n);
1586 return(1);
1587 } else if (MDOC_BODY != n->type)
1588 return(1);
1589
1590 nn = n->parent;
1591
1592 for (type = -1, i = 0; i < (int)nn->args->argc; i++) {
1593 switch (nn->args->argv[i].arg) {
1594 case (MDOC_Centred):
1595 /* FALLTHROUGH */
1596 case (MDOC_Ragged):
1597 /* FALLTHROUGH */
1598 case (MDOC_Filled):
1599 /* FALLTHROUGH */
1600 case (MDOC_Unfilled):
1601 /* FALLTHROUGH */
1602 case (MDOC_Literal):
1603 type = nn->args->argv[i].arg;
1604 break;
1605 case (MDOC_Offset):
1606 p->offset += a2offs(&nn->args->argv[i]);
1607 break;
1608 default:
1609 break;
1610 }
1611 }
1612
1613 /*
1614 * If -ragged or -filled are specified, the block does nothing
1615 * but change the indentation. If -unfilled or -literal are
1616 * specified, text is printed exactly as entered in the display:
1617 * for macro lines, a newline is appended to the line. Blank
1618 * lines are allowed.
1619 */
1620
1621 assert(type > -1);
1622 if (MDOC_Literal != type && MDOC_Unfilled != type)
1623 return(1);
1624
1625 for (nn = n->child; nn; nn = nn->next) {
1626 p->flags |= TERMP_NOSPACE;
1627 print_mdoc_node(p, pair, m, nn);
1628 if (NULL == nn->next)
1629 continue;
1630 if (nn->prev && nn->prev->line < nn->line)
1631 term_flushln(p);
1632 else if (NULL == nn->prev)
1633 term_flushln(p);
1634 }
1635
1636 return(0);
1637 }
1638
1639
1640 /* ARGSUSED */
1641 static void
1642 termp_bd_post(DECL_ARGS)
1643 {
1644
1645 if (MDOC_BODY != n->type)
1646 return;
1647 p->flags |= TERMP_NOSPACE;
1648 term_flushln(p);
1649 }
1650
1651
1652 /* ARGSUSED */
1653 static int
1654 termp_qq_pre(DECL_ARGS)
1655 {
1656
1657 if (MDOC_BODY != n->type)
1658 return(1);
1659 term_word(p, "\"");
1660 p->flags |= TERMP_NOSPACE;
1661 return(1);
1662 }
1663
1664
1665 /* ARGSUSED */
1666 static void
1667 termp_qq_post(DECL_ARGS)
1668 {
1669
1670 if (MDOC_BODY != n->type)
1671 return;
1672 p->flags |= TERMP_NOSPACE;
1673 term_word(p, "\"");
1674 }
1675
1676
1677 /* ARGSUSED */
1678 static void
1679 termp_bx_post(DECL_ARGS)
1680 {
1681
1682 if (n->child)
1683 p->flags |= TERMP_NOSPACE;
1684 term_word(p, "BSD");
1685 }
1686
1687
1688 /* ARGSUSED */
1689 static int
1690 termp_xx_pre(DECL_ARGS)
1691 {
1692 const char *pp;
1693
1694 pp = NULL;
1695 switch (n->tok) {
1696 case (MDOC_Bsx):
1697 pp = "BSDI BSD/OS";
1698 break;
1699 case (MDOC_Dx):
1700 pp = "DragonFly";
1701 break;
1702 case (MDOC_Fx):
1703 pp = "FreeBSD";
1704 break;
1705 case (MDOC_Nx):
1706 pp = "NetBSD";
1707 break;
1708 case (MDOC_Ox):
1709 pp = "OpenBSD";
1710 break;
1711 case (MDOC_Ux):
1712 pp = "UNIX";
1713 break;
1714 default:
1715 break;
1716 }
1717
1718 assert(pp);
1719 term_word(p, pp);
1720 return(1);
1721 }
1722
1723
1724 /* ARGSUSED */
1725 static int
1726 termp_sq_pre(DECL_ARGS)
1727 {
1728
1729 if (MDOC_BODY != n->type)
1730 return(1);
1731 term_word(p, "\\(oq");
1732 p->flags |= TERMP_NOSPACE;
1733 return(1);
1734 }
1735
1736
1737 /* ARGSUSED */
1738 static void
1739 termp_sq_post(DECL_ARGS)
1740 {
1741
1742 if (MDOC_BODY != n->type)
1743 return;
1744 p->flags |= TERMP_NOSPACE;
1745 term_word(p, "\\(aq");
1746 }
1747
1748
1749 /* ARGSUSED */
1750 static int
1751 termp_pf_pre(DECL_ARGS)
1752 {
1753
1754 p->flags |= TERMP_IGNDELIM;
1755 return(1);
1756 }
1757
1758
1759 /* ARGSUSED */
1760 static void
1761 termp_pf_post(DECL_ARGS)
1762 {
1763
1764 p->flags &= ~TERMP_IGNDELIM;
1765 p->flags |= TERMP_NOSPACE;
1766 }
1767
1768
1769 /* ARGSUSED */
1770 static int
1771 termp_ss_pre(DECL_ARGS)
1772 {
1773
1774 switch (n->type) {
1775 case (MDOC_BLOCK):
1776 term_newln(p);
1777 if (n->prev)
1778 term_vspace(p);
1779 break;
1780 case (MDOC_HEAD):
1781 term_fontpush(p, TERMFONT_BOLD);
1782 p->offset = HALFINDENT;
1783 break;
1784 default:
1785 break;
1786 }
1787
1788 return(1);
1789 }
1790
1791
1792 /* ARGSUSED */
1793 static void
1794 termp_ss_post(DECL_ARGS)
1795 {
1796
1797 if (MDOC_HEAD == n->type)
1798 term_newln(p);
1799 }
1800
1801
1802 /* ARGSUSED */
1803 static int
1804 termp_cd_pre(DECL_ARGS)
1805 {
1806
1807 term_fontpush(p, TERMFONT_BOLD);
1808 term_newln(p);
1809 return(1);
1810 }
1811
1812
1813 /* ARGSUSED */
1814 static int
1815 termp_in_pre(DECL_ARGS)
1816 {
1817
1818 term_fontpush(p, TERMFONT_BOLD);
1819 if (SEC_SYNOPSIS == n->sec)
1820 term_word(p, "#include");
1821
1822 term_word(p, "<");
1823 p->flags |= TERMP_NOSPACE;
1824 return(1);
1825 }
1826
1827
1828 /* ARGSUSED */
1829 static void
1830 termp_in_post(DECL_ARGS)
1831 {
1832
1833 term_fontpush(p, TERMFONT_BOLD);
1834 p->flags |= TERMP_NOSPACE;
1835 term_word(p, ">");
1836 term_fontpop(p);
1837
1838 if (SEC_SYNOPSIS != n->sec)
1839 return;
1840
1841 term_newln(p);
1842 /*
1843 * XXX Not entirely correct. If `.In foo bar' is specified in
1844 * the SYNOPSIS section, then it produces a single break after
1845 * the <foo>; mandoc asserts a vertical space. Since this
1846 * construction is rarely used, I think it's fine.
1847 */
1848 if (n->next && MDOC_In != n->next->tok)
1849 term_vspace(p);
1850 }
1851
1852
1853 /* ARGSUSED */
1854 static int
1855 termp_sp_pre(DECL_ARGS)
1856 {
1857 size_t i, len;
1858
1859 switch (n->tok) {
1860 case (MDOC_sp):
1861 len = n->child ? a2height(n->child) : 1;
1862 break;
1863 case (MDOC_br):
1864 len = 0;
1865 break;
1866 default:
1867 len = 1;
1868 break;
1869 }
1870
1871 if (0 == len)
1872 term_newln(p);
1873 for (i = 0; i < len; i++)
1874 term_vspace(p);
1875
1876 return(0);
1877 }
1878
1879
1880 /* ARGSUSED */
1881 static int
1882 termp_brq_pre(DECL_ARGS)
1883 {
1884
1885 if (MDOC_BODY != n->type)
1886 return(1);
1887 term_word(p, "\\(lC");
1888 p->flags |= TERMP_NOSPACE;
1889 return(1);
1890 }
1891
1892
1893 /* ARGSUSED */
1894 static void
1895 termp_brq_post(DECL_ARGS)
1896 {
1897
1898 if (MDOC_BODY != n->type)
1899 return;
1900 p->flags |= TERMP_NOSPACE;
1901 term_word(p, "\\(rC");
1902 }
1903
1904
1905 /* ARGSUSED */
1906 static int
1907 termp_bq_pre(DECL_ARGS)
1908 {
1909
1910 if (MDOC_BODY != n->type)
1911 return(1);
1912 term_word(p, "\\(lB");
1913 p->flags |= TERMP_NOSPACE;
1914 return(1);
1915 }
1916
1917
1918 /* ARGSUSED */
1919 static void
1920 termp_bq_post(DECL_ARGS)
1921 {
1922
1923 if (MDOC_BODY != n->type)
1924 return;
1925 p->flags |= TERMP_NOSPACE;
1926 term_word(p, "\\(rB");
1927 }
1928
1929
1930 /* ARGSUSED */
1931 static int
1932 termp_pq_pre(DECL_ARGS)
1933 {
1934
1935 if (MDOC_BODY != n->type)
1936 return(1);
1937 term_word(p, "\\&(");
1938 p->flags |= TERMP_NOSPACE;
1939 return(1);
1940 }
1941
1942
1943 /* ARGSUSED */
1944 static void
1945 termp_pq_post(DECL_ARGS)
1946 {
1947
1948 if (MDOC_BODY != n->type)
1949 return;
1950 term_word(p, ")");
1951 }
1952
1953
1954 /* ARGSUSED */
1955 static int
1956 termp_fo_pre(DECL_ARGS)
1957 {
1958 const struct mdoc_node *nn;
1959
1960 if (MDOC_BODY == n->type) {
1961 p->flags |= TERMP_NOSPACE;
1962 term_word(p, "(");
1963 p->flags |= TERMP_NOSPACE;
1964 return(1);
1965 } else if (MDOC_HEAD != n->type)
1966 return(1);
1967
1968 term_fontpush(p, TERMFONT_BOLD);
1969 for (nn = n->child; nn; nn = nn->next) {
1970 assert(MDOC_TEXT == nn->type);
1971 term_word(p, nn->string);
1972 }
1973 term_fontpop(p);
1974
1975 return(0);
1976 }
1977
1978
1979 /* ARGSUSED */
1980 static void
1981 termp_fo_post(DECL_ARGS)
1982 {
1983
1984 if (MDOC_BODY != n->type)
1985 return;
1986 p->flags |= TERMP_NOSPACE;
1987 term_word(p, ")");
1988 p->flags |= TERMP_NOSPACE;
1989 term_word(p, ";");
1990 term_newln(p);
1991 }
1992
1993
1994 /* ARGSUSED */
1995 static int
1996 termp_bf_pre(DECL_ARGS)
1997 {
1998 const struct mdoc_node *nn;
1999
2000 if (MDOC_HEAD == n->type)
2001 return(0);
2002 else if (MDOC_BLOCK != n->type)
2003 return(1);
2004
2005 if (NULL == (nn = n->head->child)) {
2006 if (arg_hasattr(MDOC_Emphasis, n))
2007 term_fontpush(p, TERMFONT_UNDER);
2008 else if (arg_hasattr(MDOC_Symbolic, n))
2009 term_fontpush(p, TERMFONT_BOLD);
2010 else
2011 term_fontpush(p, TERMFONT_NONE);
2012
2013 return(1);
2014 }
2015
2016 assert(MDOC_TEXT == nn->type);
2017 if (0 == strcmp("Em", nn->string))
2018 term_fontpush(p, TERMFONT_UNDER);
2019 else if (0 == strcmp("Sy", nn->string))
2020 term_fontpush(p, TERMFONT_BOLD);
2021 else
2022 term_fontpush(p, TERMFONT_NONE);
2023
2024 return(1);
2025 }
2026
2027
2028 /* ARGSUSED */
2029 static int
2030 termp_sm_pre(DECL_ARGS)
2031 {
2032
2033 assert(n->child && MDOC_TEXT == n->child->type);
2034 if (0 == strcmp("on", n->child->string))
2035 p->flags &= ~TERMP_NONOSPACE;
2036 else
2037 p->flags |= TERMP_NONOSPACE;
2038
2039 return(0);
2040 }
2041
2042
2043 /* ARGSUSED */
2044 static int
2045 termp_ap_pre(DECL_ARGS)
2046 {
2047
2048 p->flags |= TERMP_NOSPACE;
2049 term_word(p, "\\(aq");
2050 p->flags |= TERMP_NOSPACE;
2051 return(1);
2052 }
2053
2054
2055 /* ARGSUSED */
2056 static void
2057 termp____post(DECL_ARGS)
2058 {
2059
2060 /* TODO: %U. */
2061
2062 p->flags |= TERMP_NOSPACE;
2063 switch (n->tok) {
2064 case (MDOC__T):
2065 term_word(p, "\\(rq");
2066 p->flags |= TERMP_NOSPACE;
2067 break;
2068 default:
2069 break;
2070 }
2071 term_word(p, n->next ? "," : ".");
2072 }
2073
2074
2075 /* ARGSUSED */
2076 static int
2077 termp_li_pre(DECL_ARGS)
2078 {
2079
2080 term_fontpush(p, TERMFONT_NONE);
2081 return(1);
2082 }
2083
2084
2085 /* ARGSUSED */
2086 static int
2087 termp_lk_pre(DECL_ARGS)
2088 {
2089 const struct mdoc_node *nn;
2090
2091 term_fontpush(p, TERMFONT_UNDER);
2092 nn = n->child;
2093
2094 if (NULL == nn->next)
2095 return(1);
2096
2097 term_word(p, nn->string);
2098 term_fontpop(p);
2099
2100 p->flags |= TERMP_NOSPACE;
2101 term_word(p, ":");
2102
2103 term_fontpush(p, TERMFONT_BOLD);
2104 for (nn = nn->next; nn; nn = nn->next)
2105 term_word(p, nn->string);
2106 term_fontpop(p);
2107
2108 return(0);
2109 }
2110
2111
2112 /* ARGSUSED */
2113 static int
2114 termp_under_pre(DECL_ARGS)
2115 {
2116
2117 term_fontpush(p, TERMFONT_UNDER);
2118 return(1);
2119 }
2120
2121
2122 /* ARGSUSED */
2123 static int
2124 termp__t_pre(DECL_ARGS)
2125 {
2126
2127 term_word(p, "\\(lq");
2128 p->flags |= TERMP_NOSPACE;
2129 return(1);
2130 }
DragonFly BSD