?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
hammer utility - Add force support to cleanup
[dragonfly.git] / usr.bin / mandoc / mdoc_term.c
blobb29b025e1c99405bd1990633ee3397936030573c
1 /* $Id: mdoc_term.c,v 1.112 2010/03/29 19:28:04 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 */ /* FIXME: no space */
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 p->overstep = 0;
270 p->maxrmargin = 78;
271
272 if (NULL == p->symtab)
273 switch (p->enc) {
274 case (TERMENC_ASCII):
275 p->symtab = chars_init(CHARS_ASCII);
276 break;
277 default:
278 abort();
279 /* NOTREACHED */
280 }
281
282 n = mdoc_node(mdoc);
283 m = mdoc_meta(mdoc);
284
285 print_mdoc_head(p, NULL, m, n);
286 if (n->child)
287 print_mdoc_nodelist(p, NULL, m, n->child);
288 print_foot(p, NULL, m, n);
289 }
290
291
292 static void
293 print_mdoc_nodelist(DECL_ARGS)
294 {
295
296 print_mdoc_node(p, pair, m, n);
297 if (n->next)
298 print_mdoc_nodelist(p, pair, m, n->next);
299 }
300
301
302 /* ARGSUSED */
303 static void
304 print_mdoc_node(DECL_ARGS)
305 {
306 int chld;
307 const void *font;
308 struct termpair npair;
309 size_t offset, rmargin;
310
311 chld = 1;
312 offset = p->offset;
313 rmargin = p->rmargin;
314 font = term_fontq(p);
315
316 memset(&npair, 0, sizeof(struct termpair));
317 npair.ppair = pair;
318
319 if (MDOC_TEXT != n->type) {
320 if (termacts[n->tok].pre)
321 chld = (*termacts[n->tok].pre)(p, &npair, m, n);
322 } else
323 term_word(p, n->string);
324
325 if (chld && n->child)
326 print_mdoc_nodelist(p, &npair, m, n->child);
327
328 term_fontpopq(p, font);
329
330 if (MDOC_TEXT != n->type)
331 if (termacts[n->tok].post)
332 (*termacts[n->tok].post)(p, &npair, m, n);
333
334 p->offset = offset;
335 p->rmargin = rmargin;
336 }
337
338
339 /* ARGSUSED */
340 static void
341 print_foot(DECL_ARGS)
342 {
343 char buf[DATESIZ], os[BUFSIZ];
344
345 term_fontrepl(p, TERMFONT_NONE);
346
347 /*
348 * Output the footer in new-groff style, that is, three columns
349 * with the middle being the manual date and flanking columns
350 * being the operating system:
351 *
352 * SYSTEM DATE SYSTEM
353 */
354
355 time2a(m->date, buf, DATESIZ);
356 strlcpy(os, m->os, BUFSIZ);
357
358 term_vspace(p);
359
360 p->offset = 0;
361 p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
362 p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
363
364 term_word(p, os);
365 term_flushln(p);
366
367 p->offset = p->rmargin;
368 p->rmargin = p->maxrmargin - strlen(os);
369 p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
370
371 term_word(p, buf);
372 term_flushln(p);
373
374 p->offset = p->rmargin;
375 p->rmargin = p->maxrmargin;
376 p->flags &= ~TERMP_NOBREAK;
377 p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
378
379 term_word(p, os);
380 term_flushln(p);
381
382 p->offset = 0;
383 p->rmargin = p->maxrmargin;
384 p->flags = 0;
385 }
386
387
388 /* ARGSUSED */
389 static void
390 print_mdoc_head(DECL_ARGS)
391 {
392 char buf[BUFSIZ], title[BUFSIZ];
393
394 p->rmargin = p->maxrmargin;
395 p->offset = 0;
396
397 /*
398 * The header is strange. It has three components, which are
399 * really two with the first duplicated. It goes like this:
400 *
401 * IDENTIFIER TITLE IDENTIFIER
402 *
403 * The IDENTIFIER is NAME(SECTION), which is the command-name
404 * (if given, or "unknown" if not) followed by the manual page
405 * section. These are given in `Dt'. The TITLE is a free-form
406 * string depending on the manual volume. If not specified, it
407 * switches on the manual section.
408 */
409
410 assert(m->vol);
411 strlcpy(buf, m->vol, BUFSIZ);
412
413 if (m->arch) {
414 strlcat(buf, " (", BUFSIZ);
415 strlcat(buf, m->arch, BUFSIZ);
416 strlcat(buf, ")", BUFSIZ);
417 }
418
419 snprintf(title, BUFSIZ, "%s(%d)", m->title, m->msec);
420
421 p->offset = 0;
422 p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
423 p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
424
425 term_word(p, title);
426 term_flushln(p);
427
428 p->offset = p->rmargin;
429 p->rmargin = p->maxrmargin - strlen(title);
430 p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
431
432 term_word(p, buf);
433 term_flushln(p);
434
435 p->offset = p->rmargin;
436 p->rmargin = p->maxrmargin;
437 p->flags &= ~TERMP_NOBREAK;
438 p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
439
440 term_word(p, title);
441 term_flushln(p);
442
443 p->offset = 0;
444 p->rmargin = p->maxrmargin;
445 p->flags &= ~TERMP_NOSPACE;
446 }
447
448
449 static size_t
450 a2height(const struct mdoc_node *n)
451 {
452 struct roffsu su;
453
454 assert(MDOC_TEXT == n->type);
455 assert(n->string);
456 if ( ! a2roffsu(n->string, &su, SCALE_VS))
457 SCALE_VS_INIT(&su, strlen(n->string));
458
459 return(term_vspan(&su));
460 }
461
462
463 static size_t
464 a2width(const struct mdoc_argv *arg, int pos)
465 {
466 struct roffsu su;
467
468 assert(arg->value[pos]);
469 if ( ! a2roffsu(arg->value[pos], &su, SCALE_MAX))
470 SCALE_HS_INIT(&su, strlen(arg->value[pos]));
471
472 return(term_hspan(&su));
473 }
474
475
476 static int
477 arg_listtype(const struct mdoc_node *n)
478 {
479 int i, len;
480
481 assert(MDOC_BLOCK == n->type);
482
483 len = (int)(n->args ? n->args->argc : 0);
484
485 for (i = 0; i < len; i++)
486 switch (n->args->argv[i].arg) {
487 case (MDOC_Bullet):
488 /* FALLTHROUGH */
489 case (MDOC_Dash):
490 /* FALLTHROUGH */
491 case (MDOC_Enum):
492 /* FALLTHROUGH */
493 case (MDOC_Hyphen):
494 /* FALLTHROUGH */
495 case (MDOC_Tag):
496 /* FALLTHROUGH */
497 case (MDOC_Inset):
498 /* FALLTHROUGH */
499 case (MDOC_Diag):
500 /* FALLTHROUGH */
501 case (MDOC_Item):
502 /* FALLTHROUGH */
503 case (MDOC_Column):
504 /* FALLTHROUGH */
505 case (MDOC_Hang):
506 /* FALLTHROUGH */
507 case (MDOC_Ohang):
508 return(n->args->argv[i].arg);
509 default:
510 break;
511 }
512
513 return(-1);
514 }
515
516
517 static size_t
518 a2offs(const struct mdoc_argv *arg)
519 {
520 struct roffsu su;
521
522 if ('\0' == arg->value[0][0])
523 return(0);
524 else if (0 == strcmp(arg->value[0], "left"))
525 return(0);
526 else if (0 == strcmp(arg->value[0], "indent"))
527 return(INDENT + 1);
528 else if (0 == strcmp(arg->value[0], "indent-two"))
529 return((INDENT + 1) * 2);
530 else if ( ! a2roffsu(arg->value[0], &su, SCALE_MAX))
531 SCALE_HS_INIT(&su, strlen(arg->value[0]));
532
533 return(term_hspan(&su));
534 }
535
536
537 /*
538 * Return 1 if an argument has a particular argument value or 0 if it
539 * does not. See arg_getattr().
540 */
541 static int
542 arg_hasattr(int arg, const struct mdoc_node *n)
543 {
544
545 return(-1 != arg_getattr(arg, n));
546 }
547
548
549 /*
550 * Get the index of an argument in a node's argument list or -1 if it
551 * does not exist. See arg_getattrs().
552 */
553 static int
554 arg_getattr(int v, const struct mdoc_node *n)
555 {
556 int val;
557
558 return(arg_getattrs(&v, &val, 1, n) ? val : -1);
559 }
560
561
562 /*
563 * Walk through the argument list for a node and fill an array "vals"
564 * with the positions of the argument structures listed in "keys".
565 * Return the number of elements that were written into "vals", which
566 * can be zero.
567 */
568 static int
569 arg_getattrs(const int *keys, int *vals,
570 size_t sz, const struct mdoc_node *n)
571 {
572 int i, j, k;
573
574 if (NULL == n->args)
575 return(0);
576
577 for (k = i = 0; i < (int)n->args->argc; i++)
578 for (j = 0; j < (int)sz; j++)
579 if (n->args->argv[i].arg == keys[j]) {
580 vals[j] = i;
581 k++;
582 }
583 return(k);
584 }
585
586
587 /*
588 * Determine how much space to print out before block elements of `It'
589 * (and thus `Bl') and `Bd'. And then go ahead and print that space,
590 * too.
591 */
592 static void
593 print_bvspace(struct termp *p,
594 const struct mdoc_node *bl,
595 const struct mdoc_node *n)
596 {
597 const struct mdoc_node *nn;
598
599 term_newln(p);
600 if (arg_hasattr(MDOC_Compact, bl))
601 return;
602
603 /* Do not vspace directly after Ss/Sh. */
604
605 for (nn = n; nn; nn = nn->parent) {
606 if (MDOC_BLOCK != nn->type)
607 continue;
608 if (MDOC_Ss == nn->tok)
609 return;
610 if (MDOC_Sh == nn->tok)
611 return;
612 if (NULL == nn->prev)
613 continue;
614 break;
615 }
616
617 /* A `-column' does not assert vspace within the list. */
618
619 if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Column, bl))
620 if (n->prev && MDOC_It == n->prev->tok)
621 return;
622
623 /* A `-diag' without body does not vspace. */
624
625 if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Diag, bl))
626 if (n->prev && MDOC_It == n->prev->tok) {
627 assert(n->prev->body);
628 if (NULL == n->prev->body->child)
629 return;
630 }
631
632 term_vspace(p);
633 }
634
635
636 /* ARGSUSED */
637 static int
638 termp_dq_pre(DECL_ARGS)
639 {
640
641 if (MDOC_BODY != n->type)
642 return(1);
643
644 term_word(p, "\\(lq");
645 p->flags |= TERMP_NOSPACE;
646 return(1);
647 }
648
649
650 /* ARGSUSED */
651 static void
652 termp_dq_post(DECL_ARGS)
653 {
654
655 if (MDOC_BODY != n->type)
656 return;
657
658 p->flags |= TERMP_NOSPACE;
659 term_word(p, "\\(rq");
660 }
661
662
663 /* ARGSUSED */
664 static int
665 termp_it_pre(DECL_ARGS)
666 {
667 const struct mdoc_node *bl, *nn;
668 char buf[7];
669 int i, type, keys[3], vals[3];
670 size_t width, offset, ncols, dcol;
671
672 if (MDOC_BLOCK == n->type) {
673 print_bvspace(p, n->parent->parent, n);
674 return(1);
675 }
676
677 bl = n->parent->parent->parent;
678
679 /* Get list width, offset, and list type from argument list. */
680
681 keys[0] = MDOC_Width;
682 keys[1] = MDOC_Offset;
683 keys[2] = MDOC_Column;
684
685 vals[0] = vals[1] = vals[2] = -1;
686
687 arg_getattrs(keys, vals, 3, bl);
688
689 type = arg_listtype(bl);
690 assert(-1 != type);
691
692 /*
693 * First calculate width and offset. This is pretty easy unless
694 * we're a -column list, in which case all prior columns must
695 * be accounted for.
696 */
697
698 width = offset = 0;
699
700 if (vals[1] >= 0)
701 offset = a2offs(&bl->args->argv[vals[1]]);
702
703 switch (type) {
704 case (MDOC_Column):
705 if (MDOC_BODY == n->type)
706 break;
707 /*
708 * Imitate groff's column handling:
709 * - For each earlier column, add its width.
710 * - For less than 5 columns, add four more blanks per
711 * column.
712 * - For exactly 5 columns, add three more blank per
713 * column.
714 * - For more than 5 columns, add only one column.
715 */
716 ncols = bl->args->argv[vals[2]].sz;
717 /* LINTED */
718 dcol = ncols < 5 ? 4 : ncols == 5 ? 3 : 1;
719
720 for (i = 0, nn = n->prev;
721 nn && i < (int)ncols;
722 nn = nn->prev, i++)
723 offset += dcol + a2width
724 (&bl->args->argv[vals[2]], i);
725
726
727 /*
728 * When exceeding the declared number of columns, leave
729 * the remaining widths at 0. This will later be
730 * adjusted to the default width of 10, or, for the last
731 * column, stretched to the right margin.
732 */
733 if (i >= (int)ncols)
734 break;
735
736 /*
737 * Use the declared column widths, extended as explained
738 * in the preceding paragraph.
739 */
740 width = a2width(&bl->args->argv[vals[2]], i) + dcol;
741 break;
742 default:
743 if (vals[0] < 0)
744 break;
745
746 /*
747 * Note: buffer the width by 2, which is groff's magic
748 * number for buffering single arguments. See the above
749 * handling for column for how this changes.
750 */
751 width = a2width(&bl->args->argv[vals[0]], 0) + 2;
752 break;
753 }
754
755 /*
756 * List-type can override the width in the case of fixed-head
757 * values (bullet, dash/hyphen, enum). Tags need a non-zero
758 * offset.
759 */
760
761 switch (type) {
762 case (MDOC_Bullet):
763 /* FALLTHROUGH */
764 case (MDOC_Dash):
765 /* FALLTHROUGH */
766 case (MDOC_Hyphen):
767 if (width < 4)
768 width = 4;
769 break;
770 case (MDOC_Enum):
771 if (width < 5)
772 width = 5;
773 break;
774 case (MDOC_Hang):
775 if (0 == width)
776 width = 8;
777 break;
778 case (MDOC_Column):
779 /* FALLTHROUGH */
780 case (MDOC_Tag):
781 if (0 == width)
782 width = 10;
783 break;
784 default:
785 break;
786 }
787
788 /*
789 * Whitespace control. Inset bodies need an initial space,
790 * while diagonal bodies need two.
791 */
792
793 p->flags |= TERMP_NOSPACE;
794
795 switch (type) {
796 case (MDOC_Diag):
797 if (MDOC_BODY == n->type)
798 term_word(p, "\\ \\ ");
799 break;
800 case (MDOC_Inset):
801 if (MDOC_BODY == n->type)
802 term_word(p, "\\ ");
803 break;
804 default:
805 break;
806 }
807
808 p->flags |= TERMP_NOSPACE;
809
810 switch (type) {
811 case (MDOC_Diag):
812 if (MDOC_HEAD == n->type)
813 term_fontpush(p, TERMFONT_BOLD);
814 break;
815 default:
816 break;
817 }
818
819 /*
820 * Pad and break control. This is the tricky part. These flags
821 * are documented in term_flushln() in term.c. Note that we're
822 * going to unset all of these flags in termp_it_post() when we
823 * exit.
824 */
825
826 switch (type) {
827 case (MDOC_Bullet):
828 /* FALLTHROUGH */
829 case (MDOC_Dash):
830 /* FALLTHROUGH */
831 case (MDOC_Enum):
832 /* FALLTHROUGH */
833 case (MDOC_Hyphen):
834 if (MDOC_HEAD == n->type)
835 p->flags |= TERMP_NOBREAK;
836 else
837 p->flags |= TERMP_NOLPAD;
838 break;
839 case (MDOC_Hang):
840 if (MDOC_HEAD == n->type)
841 p->flags |= TERMP_NOBREAK;
842 else
843 p->flags |= TERMP_NOLPAD;
844
845 if (MDOC_HEAD != n->type)
846 break;
847
848 /*
849 * This is ugly. If `-hang' is specified and the body
850 * is a `Bl' or `Bd', then we want basically to nullify
851 * the "overstep" effect in term_flushln() and treat
852 * this as a `-ohang' list instead.
853 */
854 if (n->next->child &&
855 (MDOC_Bl == n->next->child->tok ||
856 MDOC_Bd == n->next->child->tok)) {
857 p->flags &= ~TERMP_NOBREAK;
858 p->flags &= ~TERMP_NOLPAD;
859 } else
860 p->flags |= TERMP_HANG;
861 break;
862 case (MDOC_Tag):
863 if (MDOC_HEAD == n->type)
864 p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
865 else
866 p->flags |= TERMP_NOLPAD;
867
868 if (MDOC_HEAD != n->type)
869 break;
870 if (NULL == n->next || NULL == n->next->child)
871 p->flags |= TERMP_DANGLE;
872 break;
873 case (MDOC_Column):
874 if (MDOC_HEAD == n->type) {
875 assert(n->next);
876 if (MDOC_BODY == n->next->type)
877 p->flags &= ~TERMP_NOBREAK;
878 else
879 p->flags |= TERMP_NOBREAK;
880 if (n->prev)
881 p->flags |= TERMP_NOLPAD;
882 }
883 break;
884 case (MDOC_Diag):
885 if (MDOC_HEAD == n->type)
886 p->flags |= TERMP_NOBREAK;
887 break;
888 default:
889 break;
890 }
891
892 /*
893 * Margin control. Set-head-width lists have their right
894 * margins shortened. The body for these lists has the offset
895 * necessarily lengthened. Everybody gets the offset.
896 */
897
898 p->offset += offset;
899
900 switch (type) {
901 case (MDOC_Hang):
902 /*
903 * Same stipulation as above, regarding `-hang'. We
904 * don't want to recalculate rmargin and offsets when
905 * using `Bd' or `Bl' within `-hang' overstep lists.
906 */
907 if (MDOC_HEAD == n->type && n->next->child &&
908 (MDOC_Bl == n->next->child->tok ||
909 MDOC_Bd == n->next->child->tok))
910 break;
911 /* FALLTHROUGH */
912 case (MDOC_Bullet):
913 /* FALLTHROUGH */
914 case (MDOC_Dash):
915 /* FALLTHROUGH */
916 case (MDOC_Enum):
917 /* FALLTHROUGH */
918 case (MDOC_Hyphen):
919 /* FALLTHROUGH */
920 case (MDOC_Tag):
921 assert(width);
922 if (MDOC_HEAD == n->type)
923 p->rmargin = p->offset + width;
924 else
925 p->offset += width;
926 break;
927 case (MDOC_Column):
928 assert(width);
929 p->rmargin = p->offset + width;
930 /*
931 * XXX - this behaviour is not documented: the
932 * right-most column is filled to the right margin.
933 */
934 if (MDOC_HEAD == n->type &&
935 MDOC_BODY == n->next->type &&
936 p->rmargin < p->maxrmargin)
937 p->rmargin = p->maxrmargin;
938 break;
939 default:
940 break;
941 }
942
943 /*
944 * The dash, hyphen, bullet and enum lists all have a special
945 * HEAD character (temporarily bold, in some cases).
946 */
947
948 if (MDOC_HEAD == n->type)
949 switch (type) {
950 case (MDOC_Bullet):
951 term_fontpush(p, TERMFONT_BOLD);
952 term_word(p, "\\[bu]");
953 term_fontpop(p);
954 break;
955 case (MDOC_Dash):
956 /* FALLTHROUGH */
957 case (MDOC_Hyphen):
958 term_fontpush(p, TERMFONT_BOLD);
959 term_word(p, "\\(hy");
960 term_fontpop(p);
961 break;
962 case (MDOC_Enum):
963 (pair->ppair->ppair->count)++;
964 snprintf(buf, sizeof(buf), "%d.",
965 pair->ppair->ppair->count);
966 term_word(p, buf);
967 break;
968 default:
969 break;
970 }
971
972 /*
973 * If we're not going to process our children, indicate so here.
974 */
975
976 switch (type) {
977 case (MDOC_Bullet):
978 /* FALLTHROUGH */
979 case (MDOC_Item):
980 /* FALLTHROUGH */
981 case (MDOC_Dash):
982 /* FALLTHROUGH */
983 case (MDOC_Hyphen):
984 /* FALLTHROUGH */
985 case (MDOC_Enum):
986 if (MDOC_HEAD == n->type)
987 return(0);
988 break;
989 case (MDOC_Column):
990 if (MDOC_BODY == n->type)
991 return(0);
992 break;
993 default:
994 break;
995 }
996
997 return(1);
998 }
999
1000
1001 /* ARGSUSED */
1002 static void
1003 termp_it_post(DECL_ARGS)
1004 {
1005 int type;
1006
1007 if (MDOC_BLOCK == n->type)
1008 return;
1009
1010 type = arg_listtype(n->parent->parent->parent);
1011 assert(-1 != type);
1012
1013 switch (type) {
1014 case (MDOC_Item):
1015 /* FALLTHROUGH */
1016 case (MDOC_Diag):
1017 /* FALLTHROUGH */
1018 case (MDOC_Inset):
1019 if (MDOC_BODY == n->type)
1020 term_flushln(p);
1021 break;
1022 case (MDOC_Column):
1023 if (MDOC_HEAD == n->type)
1024 term_flushln(p);
1025 break;
1026 default:
1027 term_flushln(p);
1028 break;
1029 }
1030
1031 /*
1032 * Now that our output is flushed, we can reset our tags. Since
1033 * only `It' sets these flags, we're free to assume that nobody
1034 * has munged them in the meanwhile.
1035 */
1036
1037 p->flags &= ~TERMP_DANGLE;
1038 p->flags &= ~TERMP_NOBREAK;
1039 p->flags &= ~TERMP_TWOSPACE;
1040 p->flags &= ~TERMP_NOLPAD;
1041 p->flags &= ~TERMP_HANG;
1042 }
1043
1044
1045 /* ARGSUSED */
1046 static int
1047 termp_nm_pre(DECL_ARGS)
1048 {
1049
1050 if (SEC_SYNOPSIS == n->sec)
1051 term_newln(p);
1052
1053 term_fontpush(p, TERMFONT_BOLD);
1054
1055 if (NULL == n->child)
1056 term_word(p, m->name);
1057 return(1);
1058 }
1059
1060
1061 /* ARGSUSED */
1062 static int
1063 termp_fl_pre(DECL_ARGS)
1064 {
1065
1066 term_fontpush(p, TERMFONT_BOLD);
1067 term_word(p, "\\-");
1068
1069 /* A blank `Fl' should incur a subsequent space. */
1070
1071 if (n->child)
1072 p->flags |= TERMP_NOSPACE;
1073
1074 return(1);
1075 }
1076
1077
1078 /* ARGSUSED */
1079 static int
1080 termp_an_pre(DECL_ARGS)
1081 {
1082
1083 if (NULL == n->child)
1084 return(1);
1085
1086 /*
1087 * If not in the AUTHORS section, `An -split' will cause
1088 * newlines to occur before the author name. If in the AUTHORS
1089 * section, by default, the first `An' invocation is nosplit,
1090 * then all subsequent ones, regardless of whether interspersed
1091 * with other macros/text, are split. -split, in this case,
1092 * will override the condition of the implied first -nosplit.
1093 */
1094
1095 if (n->sec == SEC_AUTHORS) {
1096 if ( ! (TERMP_ANPREC & p->flags)) {
1097 if (TERMP_SPLIT & p->flags)
1098 term_newln(p);
1099 return(1);
1100 }
1101 if (TERMP_NOSPLIT & p->flags)
1102 return(1);
1103 term_newln(p);
1104 return(1);
1105 }
1106
1107 if (TERMP_SPLIT & p->flags)
1108 term_newln(p);
1109
1110 return(1);
1111 }
1112
1113
1114 /* ARGSUSED */
1115 static void
1116 termp_an_post(DECL_ARGS)
1117 {
1118
1119 if (n->child) {
1120 if (SEC_AUTHORS == n->sec)
1121 p->flags |= TERMP_ANPREC;
1122 return;
1123 }
1124
1125 if (arg_getattr(MDOC_Split, n) > -1) {
1126 p->flags &= ~TERMP_NOSPLIT;
1127 p->flags |= TERMP_SPLIT;
1128 } else {
1129 p->flags &= ~TERMP_SPLIT;
1130 p->flags |= TERMP_NOSPLIT;
1131 }
1132
1133 }
1134
1135
1136 /* ARGSUSED */
1137 static int
1138 termp_ns_pre(DECL_ARGS)
1139 {
1140
1141 p->flags |= TERMP_NOSPACE;
1142 return(1);
1143 }
1144
1145
1146 /* ARGSUSED */
1147 static int
1148 termp_rs_pre(DECL_ARGS)
1149 {
1150
1151 if (SEC_SEE_ALSO != n->sec)
1152 return(1);
1153 if (MDOC_BLOCK == n->type && n->prev)
1154 term_vspace(p);
1155 return(1);
1156 }
1157
1158
1159 /* ARGSUSED */
1160 static int
1161 termp_rv_pre(DECL_ARGS)
1162 {
1163 const struct mdoc_node *nn;
1164
1165 term_newln(p);
1166 term_word(p, "The");
1167
1168 for (nn = n->child; nn; nn = nn->next) {
1169 term_fontpush(p, TERMFONT_BOLD);
1170 term_word(p, nn->string);
1171 term_fontpop(p);
1172 p->flags |= TERMP_NOSPACE;
1173 if (nn->next && NULL == nn->next->next)
1174 term_word(p, "(), and");
1175 else if (nn->next)
1176 term_word(p, "(),");
1177 else
1178 term_word(p, "()");
1179 }
1180
1181 if (n->child->next)
1182 term_word(p, "functions return");
1183 else
1184 term_word(p, "function returns");
1185
1186 term_word(p, "the value 0 if successful; otherwise the value "
1187 "-1 is returned and the global variable");
1188
1189 term_fontpush(p, TERMFONT_UNDER);
1190 term_word(p, "errno");
1191 term_fontpop(p);
1192
1193 term_word(p, "is set to indicate the error.");
1194
1195 return(0);
1196 }
1197
1198
1199 /* ARGSUSED */
1200 static int
1201 termp_ex_pre(DECL_ARGS)
1202 {
1203 const struct mdoc_node *nn;
1204
1205 term_word(p, "The");
1206
1207 for (nn = n->child; nn; nn = nn->next) {
1208 term_fontpush(p, TERMFONT_BOLD);
1209 term_word(p, nn->string);
1210 term_fontpop(p);
1211 p->flags |= TERMP_NOSPACE;
1212 if (nn->next && NULL == nn->next->next)
1213 term_word(p, ", and");
1214 else if (nn->next)
1215 term_word(p, ",");
1216 else
1217 p->flags &= ~TERMP_NOSPACE;
1218 }
1219
1220 if (n->child->next)
1221 term_word(p, "utilities exit");
1222 else
1223 term_word(p, "utility exits");
1224
1225 term_word(p, "0 on success, and >0 if an error occurs.");
1226
1227 return(0);
1228 }
1229
1230
1231 /* ARGSUSED */
1232 static int
1233 termp_nd_pre(DECL_ARGS)
1234 {
1235
1236 if (MDOC_BODY != n->type)
1237 return(1);
1238
1239 #if defined(__OpenBSD__) || defined(__linux__)
1240 term_word(p, "\\(en");
1241 #else
1242 term_word(p, "\\(em");
1243 #endif
1244 return(1);
1245 }
1246
1247
1248 /* ARGSUSED */
1249 static void
1250 termp_bl_post(DECL_ARGS)
1251 {
1252
1253 if (MDOC_BLOCK == n->type)
1254 term_newln(p);
1255 }
1256
1257
1258 /* ARGSUSED */
1259 static void
1260 termp_op_post(DECL_ARGS)
1261 {
1262
1263 if (MDOC_BODY != n->type)
1264 return;
1265 p->flags |= TERMP_NOSPACE;
1266 term_word(p, "\\(rB");
1267 }
1268
1269
1270 /* ARGSUSED */
1271 static int
1272 termp_xr_pre(DECL_ARGS)
1273 {
1274 const struct mdoc_node *nn;
1275
1276 assert(n->child && MDOC_TEXT == n->child->type);
1277 nn = n->child;
1278
1279 term_word(p, nn->string);
1280 if (NULL == (nn = nn->next))
1281 return(0);
1282 p->flags |= TERMP_NOSPACE;
1283 term_word(p, "(");
1284 p->flags |= TERMP_NOSPACE;
1285 term_word(p, nn->string);
1286 p->flags |= TERMP_NOSPACE;
1287 term_word(p, ")");
1288
1289 return(0);
1290 }
1291
1292
1293 static int
1294 termp_vt_pre(DECL_ARGS)
1295 {
1296
1297 if (MDOC_ELEM == n->type)
1298 return(termp_under_pre(p, pair, m, n));
1299 else if (MDOC_HEAD == n->type)
1300 return(0);
1301 else if (MDOC_BLOCK == n->type)
1302 return(1);
1303
1304 return(termp_under_pre(p, pair, m, n));
1305 }
1306
1307
1308 /* ARGSUSED */
1309 static void
1310 termp_vt_post(DECL_ARGS)
1311 {
1312
1313 if (MDOC_BLOCK != n->type)
1314 return;
1315 if (n->next && MDOC_Vt == n->next->tok)
1316 term_newln(p);
1317 else if (n->next)
1318 term_vspace(p);
1319 }
1320
1321
1322 /* ARGSUSED */
1323 static int
1324 termp_bold_pre(DECL_ARGS)
1325 {
1326
1327 term_fontpush(p, TERMFONT_BOLD);
1328 return(1);
1329 }
1330
1331
1332 /* ARGSUSED */
1333 static void
1334 termp_fd_post(DECL_ARGS)
1335 {
1336
1337 if (n->sec != SEC_SYNOPSIS)
1338 return;
1339
1340 term_newln(p);
1341 if (n->next && MDOC_Fd != n->next->tok)
1342 term_vspace(p);
1343 }
1344
1345
1346 /* ARGSUSED */
1347 static int
1348 termp_sh_pre(DECL_ARGS)
1349 {
1350
1351 /* No vspace between consecutive `Sh' calls. */
1352
1353 switch (n->type) {
1354 case (MDOC_BLOCK):
1355 if (n->prev && MDOC_Sh == n->prev->tok)
1356 if (NULL == n->prev->body->child)
1357 break;
1358 term_vspace(p);
1359 break;
1360 case (MDOC_HEAD):
1361 term_fontpush(p, TERMFONT_BOLD);
1362 break;
1363 case (MDOC_BODY):
1364 p->offset = INDENT;
1365 break;
1366 default:
1367 break;
1368 }
1369 return(1);
1370 }
1371
1372
1373 /* ARGSUSED */
1374 static void
1375 termp_sh_post(DECL_ARGS)
1376 {
1377
1378 switch (n->type) {
1379 case (MDOC_HEAD):
1380 term_newln(p);
1381 break;
1382 case (MDOC_BODY):
1383 term_newln(p);
1384 p->offset = 0;
1385 break;
1386 default:
1387 break;
1388 }
1389 }
1390
1391
1392 /* ARGSUSED */
1393 static int
1394 termp_op_pre(DECL_ARGS)
1395 {
1396
1397 switch (n->type) {
1398 case (MDOC_BODY):
1399 term_word(p, "\\(lB");
1400 p->flags |= TERMP_NOSPACE;
1401 break;
1402 default:
1403 break;
1404 }
1405 return(1);
1406 }
1407
1408
1409 /* ARGSUSED */
1410 static int
1411 termp_bt_pre(DECL_ARGS)
1412 {
1413
1414 term_word(p, "is currently in beta test.");
1415 return(0);
1416 }
1417
1418
1419 /* ARGSUSED */
1420 static void
1421 termp_lb_post(DECL_ARGS)
1422 {
1423
1424 if (SEC_LIBRARY == n->sec)
1425 term_newln(p);
1426 }
1427
1428
1429 /* ARGSUSED */
1430 static int
1431 termp_ud_pre(DECL_ARGS)
1432 {
1433
1434 term_word(p, "currently under development.");
1435 return(0);
1436 }
1437
1438
1439 /* ARGSUSED */
1440 static int
1441 termp_d1_pre(DECL_ARGS)
1442 {
1443
1444 if (MDOC_BLOCK != n->type)
1445 return(1);
1446 term_newln(p);
1447 p->offset += (INDENT + 1);
1448 return(1);
1449 }
1450
1451
1452 /* ARGSUSED */
1453 static void
1454 termp_d1_post(DECL_ARGS)
1455 {
1456
1457 if (MDOC_BLOCK != n->type)
1458 return;
1459 term_newln(p);
1460 }
1461
1462
1463 /* ARGSUSED */
1464 static int
1465 termp_aq_pre(DECL_ARGS)
1466 {
1467
1468 if (MDOC_BODY != n->type)
1469 return(1);
1470 term_word(p, "\\(la");
1471 p->flags |= TERMP_NOSPACE;
1472 return(1);
1473 }
1474
1475
1476 /* ARGSUSED */
1477 static void
1478 termp_aq_post(DECL_ARGS)
1479 {
1480
1481 if (MDOC_BODY != n->type)
1482 return;
1483 p->flags |= TERMP_NOSPACE;
1484 term_word(p, "\\(ra");
1485 }
1486
1487
1488 /* ARGSUSED */
1489 static int
1490 termp_ft_pre(DECL_ARGS)
1491 {
1492
1493 if (SEC_SYNOPSIS == n->sec)
1494 if (n->prev && MDOC_Fo == n->prev->tok)
1495 term_vspace(p);
1496
1497 term_fontpush(p, TERMFONT_UNDER);
1498 return(1);
1499 }
1500
1501
1502 /* ARGSUSED */
1503 static void
1504 termp_ft_post(DECL_ARGS)
1505 {
1506
1507 if (SEC_SYNOPSIS == n->sec)
1508 term_newln(p);
1509 }
1510
1511
1512 /* ARGSUSED */
1513 static int
1514 termp_fn_pre(DECL_ARGS)
1515 {
1516 const struct mdoc_node *nn;
1517
1518 term_fontpush(p, TERMFONT_BOLD);
1519 term_word(p, n->child->string);
1520 term_fontpop(p);
1521
1522 p->flags |= TERMP_NOSPACE;
1523 term_word(p, "(");
1524
1525 for (nn = n->child->next; nn; nn = nn->next) {
1526 term_fontpush(p, TERMFONT_UNDER);
1527 term_word(p, nn->string);
1528 term_fontpop(p);
1529
1530 if (nn->next)
1531 term_word(p, ",");
1532 }
1533
1534 term_word(p, ")");
1535
1536 if (SEC_SYNOPSIS == n->sec)
1537 term_word(p, ";");
1538
1539 return(0);
1540 }
1541
1542
1543 /* ARGSUSED */
1544 static void
1545 termp_fn_post(DECL_ARGS)
1546 {
1547
1548 if (n->sec == SEC_SYNOPSIS && n->next)
1549 term_vspace(p);
1550 }
1551
1552
1553 /* ARGSUSED */
1554 static int
1555 termp_fa_pre(DECL_ARGS)
1556 {
1557 const struct mdoc_node *nn;
1558
1559 if (n->parent->tok != MDOC_Fo) {
1560 term_fontpush(p, TERMFONT_UNDER);
1561 return(1);
1562 }
1563
1564 for (nn = n->child; nn; nn = nn->next) {
1565 term_fontpush(p, TERMFONT_UNDER);
1566 term_word(p, nn->string);
1567 term_fontpop(p);
1568
1569 if (nn->next)
1570 term_word(p, ",");
1571 }
1572
1573 if (n->child && n->next && n->next->tok == MDOC_Fa)
1574 term_word(p, ",");
1575
1576 return(0);
1577 }
1578
1579
1580 /* ARGSUSED */
1581 static int
1582 termp_bd_pre(DECL_ARGS)
1583 {
1584 int i, type;
1585 const struct mdoc_node *nn;
1586
1587 if (MDOC_BLOCK == n->type) {
1588 print_bvspace(p, n, n);
1589 return(1);
1590 } else if (MDOC_BODY != n->type)
1591 return(1);
1592
1593 nn = n->parent;
1594
1595 for (type = -1, i = 0; i < (int)nn->args->argc; i++) {
1596 switch (nn->args->argv[i].arg) {
1597 case (MDOC_Centred):
1598 /* FALLTHROUGH */
1599 case (MDOC_Ragged):
1600 /* FALLTHROUGH */
1601 case (MDOC_Filled):
1602 /* FALLTHROUGH */
1603 case (MDOC_Unfilled):
1604 /* FALLTHROUGH */
1605 case (MDOC_Literal):
1606 type = nn->args->argv[i].arg;
1607 break;
1608 case (MDOC_Offset):
1609 p->offset += a2offs(&nn->args->argv[i]);
1610 break;
1611 default:
1612 break;
1613 }
1614 }
1615
1616 /*
1617 * If -ragged or -filled are specified, the block does nothing
1618 * but change the indentation. If -unfilled or -literal are
1619 * specified, text is printed exactly as entered in the display:
1620 * for macro lines, a newline is appended to the line. Blank
1621 * lines are allowed.
1622 */
1623
1624 assert(type > -1);
1625 if (MDOC_Literal != type && MDOC_Unfilled != type)
1626 return(1);
1627
1628 for (nn = n->child; nn; nn = nn->next) {
1629 p->flags |= TERMP_NOSPACE;
1630 print_mdoc_node(p, pair, m, nn);
1631 if (NULL == nn->next)
1632 continue;
1633 if (nn->prev && nn->prev->line < nn->line)
1634 term_flushln(p);
1635 else if (NULL == nn->prev)
1636 term_flushln(p);
1637 }
1638
1639 return(0);
1640 }
1641
1642
1643 /* ARGSUSED */
1644 static void
1645 termp_bd_post(DECL_ARGS)
1646 {
1647
1648 if (MDOC_BODY != n->type)
1649 return;
1650 p->flags |= TERMP_NOSPACE;
1651 term_flushln(p);
1652 }
1653
1654
1655 /* ARGSUSED */
1656 static int
1657 termp_qq_pre(DECL_ARGS)
1658 {
1659
1660 if (MDOC_BODY != n->type)
1661 return(1);
1662 term_word(p, "\"");
1663 p->flags |= TERMP_NOSPACE;
1664 return(1);
1665 }
1666
1667
1668 /* ARGSUSED */
1669 static void
1670 termp_qq_post(DECL_ARGS)
1671 {
1672
1673 if (MDOC_BODY != n->type)
1674 return;
1675 p->flags |= TERMP_NOSPACE;
1676 term_word(p, "\"");
1677 }
1678
1679
1680 /* ARGSUSED */
1681 static void
1682 termp_bx_post(DECL_ARGS)
1683 {
1684
1685 if (n->child)
1686 p->flags |= TERMP_NOSPACE;
1687 term_word(p, "BSD");
1688 }
1689
1690
1691 /* ARGSUSED */
1692 static int
1693 termp_xx_pre(DECL_ARGS)
1694 {
1695 const char *pp;
1696
1697 pp = NULL;
1698 switch (n->tok) {
1699 case (MDOC_Bsx):
1700 pp = "BSDI BSD/OS";
1701 break;
1702 case (MDOC_Dx):
1703 pp = "DragonFly";
1704 break;
1705 case (MDOC_Fx):
1706 pp = "FreeBSD";
1707 break;
1708 case (MDOC_Nx):
1709 pp = "NetBSD";
1710 break;
1711 case (MDOC_Ox):
1712 pp = "OpenBSD";
1713 break;
1714 case (MDOC_Ux):
1715 pp = "UNIX";
1716 break;
1717 default:
1718 break;
1719 }
1720
1721 assert(pp);
1722 term_word(p, pp);
1723 return(1);
1724 }
1725
1726
1727 /* ARGSUSED */
1728 static int
1729 termp_sq_pre(DECL_ARGS)
1730 {
1731
1732 if (MDOC_BODY != n->type)
1733 return(1);
1734 term_word(p, "\\(oq");
1735 p->flags |= TERMP_NOSPACE;
1736 return(1);
1737 }
1738
1739
1740 /* ARGSUSED */
1741 static void
1742 termp_sq_post(DECL_ARGS)
1743 {
1744
1745 if (MDOC_BODY != n->type)
1746 return;
1747 p->flags |= TERMP_NOSPACE;
1748 term_word(p, "\\(aq");
1749 }
1750
1751
1752 /* ARGSUSED */
1753 static int
1754 termp_pf_pre(DECL_ARGS)
1755 {
1756
1757 p->flags |= TERMP_IGNDELIM;
1758 return(1);
1759 }
1760
1761
1762 /* ARGSUSED */
1763 static void
1764 termp_pf_post(DECL_ARGS)
1765 {
1766
1767 p->flags &= ~TERMP_IGNDELIM;
1768 p->flags |= TERMP_NOSPACE;
1769 }
1770
1771
1772 /* ARGSUSED */
1773 static int
1774 termp_ss_pre(DECL_ARGS)
1775 {
1776
1777 switch (n->type) {
1778 case (MDOC_BLOCK):
1779 term_newln(p);
1780 if (n->prev)
1781 term_vspace(p);
1782 break;
1783 case (MDOC_HEAD):
1784 term_fontpush(p, TERMFONT_BOLD);
1785 p->offset = HALFINDENT;
1786 break;
1787 default:
1788 break;
1789 }
1790
1791 return(1);
1792 }
1793
1794
1795 /* ARGSUSED */
1796 static void
1797 termp_ss_post(DECL_ARGS)
1798 {
1799
1800 if (MDOC_HEAD == n->type)
1801 term_newln(p);
1802 }
1803
1804
1805 /* ARGSUSED */
1806 static int
1807 termp_cd_pre(DECL_ARGS)
1808 {
1809
1810 term_fontpush(p, TERMFONT_BOLD);
1811 term_newln(p);
1812 return(1);
1813 }
1814
1815
1816 /* ARGSUSED */
1817 static int
1818 termp_in_pre(DECL_ARGS)
1819 {
1820
1821 term_fontpush(p, TERMFONT_BOLD);
1822 if (SEC_SYNOPSIS == n->sec)
1823 term_word(p, "#include");
1824
1825 term_word(p, "<");
1826 p->flags |= TERMP_NOSPACE;
1827 return(1);
1828 }
1829
1830
1831 /* ARGSUSED */
1832 static void
1833 termp_in_post(DECL_ARGS)
1834 {
1835
1836 term_fontpush(p, TERMFONT_BOLD);
1837 p->flags |= TERMP_NOSPACE;
1838 term_word(p, ">");
1839 term_fontpop(p);
1840
1841 if (SEC_SYNOPSIS != n->sec)
1842 return;
1843
1844 term_newln(p);
1845 /*
1846 * XXX Not entirely correct. If `.In foo bar' is specified in
1847 * the SYNOPSIS section, then it produces a single break after
1848 * the <foo>; mandoc asserts a vertical space. Since this
1849 * construction is rarely used, I think it's fine.
1850 */
1851 if (n->next && MDOC_In != n->next->tok)
1852 term_vspace(p);
1853 }
1854
1855
1856 /* ARGSUSED */
1857 static int
1858 termp_sp_pre(DECL_ARGS)
1859 {
1860 size_t i, len;
1861
1862 switch (n->tok) {
1863 case (MDOC_sp):
1864 len = n->child ? a2height(n->child) : 1;
1865 break;
1866 case (MDOC_br):
1867 len = 0;
1868 break;
1869 default:
1870 len = 1;
1871 break;
1872 }
1873
1874 if (0 == len)
1875 term_newln(p);
1876 for (i = 0; i < len; i++)
1877 term_vspace(p);
1878
1879 return(0);
1880 }
1881
1882
1883 /* ARGSUSED */
1884 static int
1885 termp_brq_pre(DECL_ARGS)
1886 {
1887
1888 if (MDOC_BODY != n->type)
1889 return(1);
1890 term_word(p, "\\(lC");
1891 p->flags |= TERMP_NOSPACE;
1892 return(1);
1893 }
1894
1895
1896 /* ARGSUSED */
1897 static void
1898 termp_brq_post(DECL_ARGS)
1899 {
1900
1901 if (MDOC_BODY != n->type)
1902 return;
1903 p->flags |= TERMP_NOSPACE;
1904 term_word(p, "\\(rC");
1905 }
1906
1907
1908 /* ARGSUSED */
1909 static int
1910 termp_bq_pre(DECL_ARGS)
1911 {
1912
1913 if (MDOC_BODY != n->type)
1914 return(1);
1915 term_word(p, "\\(lB");
1916 p->flags |= TERMP_NOSPACE;
1917 return(1);
1918 }
1919
1920
1921 /* ARGSUSED */
1922 static void
1923 termp_bq_post(DECL_ARGS)
1924 {
1925
1926 if (MDOC_BODY != n->type)
1927 return;
1928 p->flags |= TERMP_NOSPACE;
1929 term_word(p, "\\(rB");
1930 }
1931
1932
1933 /* ARGSUSED */
1934 static int
1935 termp_pq_pre(DECL_ARGS)
1936 {
1937
1938 if (MDOC_BODY != n->type)
1939 return(1);
1940 term_word(p, "\\&(");
1941 p->flags |= TERMP_NOSPACE;
1942 return(1);
1943 }
1944
1945
1946 /* ARGSUSED */
1947 static void
1948 termp_pq_post(DECL_ARGS)
1949 {
1950
1951 if (MDOC_BODY != n->type)
1952 return;
1953 term_word(p, ")");
1954 }
1955
1956
1957 /* ARGSUSED */
1958 static int
1959 termp_fo_pre(DECL_ARGS)
1960 {
1961 const struct mdoc_node *nn;
1962
1963 if (MDOC_BODY == n->type) {
1964 p->flags |= TERMP_NOSPACE;
1965 term_word(p, "(");
1966 p->flags |= TERMP_NOSPACE;
1967 return(1);
1968 } else if (MDOC_HEAD != n->type)
1969 return(1);
1970
1971 term_fontpush(p, TERMFONT_BOLD);
1972 for (nn = n->child; nn; nn = nn->next) {
1973 assert(MDOC_TEXT == nn->type);
1974 term_word(p, nn->string);
1975 }
1976 term_fontpop(p);
1977
1978 return(0);
1979 }
1980
1981
1982 /* ARGSUSED */
1983 static void
1984 termp_fo_post(DECL_ARGS)
1985 {
1986
1987 if (MDOC_BODY != n->type)
1988 return;
1989 p->flags |= TERMP_NOSPACE;
1990 term_word(p, ")");
1991 p->flags |= TERMP_NOSPACE;
1992 term_word(p, ";");
1993 term_newln(p);
1994 }
1995
1996
1997 /* ARGSUSED */
1998 static int
1999 termp_bf_pre(DECL_ARGS)
2000 {
2001 const struct mdoc_node *nn;
2002
2003 if (MDOC_HEAD == n->type)
2004 return(0);
2005 else if (MDOC_BLOCK != n->type)
2006 return(1);
2007
2008 if (NULL == (nn = n->head->child)) {
2009 if (arg_hasattr(MDOC_Emphasis, n))
2010 term_fontpush(p, TERMFONT_UNDER);
2011 else if (arg_hasattr(MDOC_Symbolic, n))
2012 term_fontpush(p, TERMFONT_BOLD);
2013 else
2014 term_fontpush(p, TERMFONT_NONE);
2015
2016 return(1);
2017 }
2018
2019 assert(MDOC_TEXT == nn->type);
2020 if (0 == strcmp("Em", nn->string))
2021 term_fontpush(p, TERMFONT_UNDER);
2022 else if (0 == strcmp("Sy", nn->string))
2023 term_fontpush(p, TERMFONT_BOLD);
2024 else
2025 term_fontpush(p, TERMFONT_NONE);
2026
2027 return(1);
2028 }
2029
2030
2031 /* ARGSUSED */
2032 static int
2033 termp_sm_pre(DECL_ARGS)
2034 {
2035
2036 assert(n->child && MDOC_TEXT == n->child->type);
2037 if (0 == strcmp("on", n->child->string))
2038 p->flags &= ~TERMP_NONOSPACE;
2039 else
2040 p->flags |= TERMP_NONOSPACE;
2041
2042 return(0);
2043 }
2044
2045
2046 /* ARGSUSED */
2047 static int
2048 termp_ap_pre(DECL_ARGS)
2049 {
2050
2051 p->flags |= TERMP_NOSPACE;
2052 term_word(p, "\\(aq");
2053 p->flags |= TERMP_NOSPACE;
2054 return(1);
2055 }
2056
2057
2058 /* ARGSUSED */
2059 static void
2060 termp____post(DECL_ARGS)
2061 {
2062
2063 /* TODO: %U. */
2064
2065 p->flags |= TERMP_NOSPACE;
2066 switch (n->tok) {
2067 case (MDOC__T):
2068 term_word(p, "\\(rq");
2069 p->flags |= TERMP_NOSPACE;
2070 break;
2071 default:
2072 break;
2073 }
2074 term_word(p, n->next ? "," : ".");
2075 }
2076
2077
2078 /* ARGSUSED */
2079 static int
2080 termp_li_pre(DECL_ARGS)
2081 {
2082
2083 term_fontpush(p, TERMFONT_NONE);
2084 return(1);
2085 }
2086
2087
2088 /* ARGSUSED */
2089 static int
2090 termp_lk_pre(DECL_ARGS)
2091 {
2092 const struct mdoc_node *nn;
2093
2094 term_fontpush(p, TERMFONT_UNDER);
2095 nn = n->child;
2096
2097 if (NULL == nn->next)
2098 return(1);
2099
2100 term_word(p, nn->string);
2101 term_fontpop(p);
2102
2103 p->flags |= TERMP_NOSPACE;
2104 term_word(p, ":");
2105
2106 term_fontpush(p, TERMFONT_BOLD);
2107 for (nn = nn->next; nn; nn = nn->next)
2108 term_word(p, nn->string);
2109 term_fontpop(p);
2110
2111 return(0);
2112 }
2113
2114
2115 /* ARGSUSED */
2116 static int
2117 termp_under_pre(DECL_ARGS)
2118 {
2119
2120 term_fontpush(p, TERMFONT_UNDER);
2121 return(1);
2122 }
2123
2124
2125 /* ARGSUSED */
2126 static int
2127 termp__t_pre(DECL_ARGS)
2128 {
2129
2130 term_word(p, "\\(lq");
2131 p->flags |= TERMP_NOSPACE;
2132 return(1);
2133 }
DragonFly BSD