mandoc(1): Update to 1.9.20.
[dragonfly.git] / usr.bin / mandoc / mdoc_term.c
CommitLineData
057fa736 1/* $Id: mdoc_term.c,v 1.112 2010/03/29 19:28:04 kristaps Exp $ */
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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>
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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
34struct termpair {
35 struct termpair *ppair;
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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
44struct termact {
45 int (*pre)(DECL_ARGS);
46 void (*post)(DECL_ARGS);
47};
48
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49static size_t a2width(const struct mdoc_argv *, int);
50static size_t a2height(const struct mdoc_node *);
51static size_t a2offs(const struct mdoc_argv *);
52
53static int arg_hasattr(int, const struct mdoc_node *);
54static int arg_getattrs(const int *, int *, size_t,
55 const struct mdoc_node *);
56static int arg_getattr(int, const struct mdoc_node *);
57static int arg_listtype(const struct mdoc_node *);
58static void print_bvspace(struct termp *,
59 const struct mdoc_node *,
60 const struct mdoc_node *);
bd9525ad 61static void print_mdoc_node(DECL_ARGS);
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62static void print_mdoc_head(DECL_ARGS);
63static void print_mdoc_nodelist(DECL_ARGS);
cbce6d97
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64static void print_foot(DECL_ARGS);
65
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66static void termp____post(DECL_ARGS);
67static void termp_an_post(DECL_ARGS);
68static void termp_aq_post(DECL_ARGS);
69static void termp_bd_post(DECL_ARGS);
70static void termp_bl_post(DECL_ARGS);
71static void termp_bq_post(DECL_ARGS);
72static void termp_brq_post(DECL_ARGS);
73static void termp_bx_post(DECL_ARGS);
74static void termp_d1_post(DECL_ARGS);
75static void termp_dq_post(DECL_ARGS);
76static void termp_fd_post(DECL_ARGS);
77static void termp_fn_post(DECL_ARGS);
78static void termp_fo_post(DECL_ARGS);
79static void termp_ft_post(DECL_ARGS);
80static void termp_in_post(DECL_ARGS);
81static void termp_it_post(DECL_ARGS);
82static void termp_lb_post(DECL_ARGS);
83static void termp_op_post(DECL_ARGS);
84static void termp_pf_post(DECL_ARGS);
85static void termp_pq_post(DECL_ARGS);
86static void termp_qq_post(DECL_ARGS);
87static void termp_sh_post(DECL_ARGS);
88static void termp_sq_post(DECL_ARGS);
89static void termp_ss_post(DECL_ARGS);
90static void termp_vt_post(DECL_ARGS);
91
92static int termp__t_pre(DECL_ARGS);
93static int termp_an_pre(DECL_ARGS);
94static int termp_ap_pre(DECL_ARGS);
95static int termp_aq_pre(DECL_ARGS);
96static int termp_bd_pre(DECL_ARGS);
97static int termp_bf_pre(DECL_ARGS);
98static int termp_bold_pre(DECL_ARGS);
99static int termp_bq_pre(DECL_ARGS);
100static int termp_brq_pre(DECL_ARGS);
101static int termp_bt_pre(DECL_ARGS);
102static int termp_cd_pre(DECL_ARGS);
103static int termp_d1_pre(DECL_ARGS);
104static int termp_dq_pre(DECL_ARGS);
105static int termp_ex_pre(DECL_ARGS);
106static int termp_fa_pre(DECL_ARGS);
107static int termp_fl_pre(DECL_ARGS);
108static int termp_fn_pre(DECL_ARGS);
109static int termp_fo_pre(DECL_ARGS);
110static int termp_ft_pre(DECL_ARGS);
111static int termp_in_pre(DECL_ARGS);
112static int termp_it_pre(DECL_ARGS);
4a06b3fd 113static int termp_li_pre(DECL_ARGS);
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114static int termp_lk_pre(DECL_ARGS);
115static int termp_nd_pre(DECL_ARGS);
116static int termp_nm_pre(DECL_ARGS);
117static int termp_ns_pre(DECL_ARGS);
118static int termp_op_pre(DECL_ARGS);
119static int termp_pf_pre(DECL_ARGS);
120static int termp_pq_pre(DECL_ARGS);
121static int termp_qq_pre(DECL_ARGS);
122static int termp_rs_pre(DECL_ARGS);
123static int termp_rv_pre(DECL_ARGS);
124static int termp_sh_pre(DECL_ARGS);
125static int termp_sm_pre(DECL_ARGS);
126static int termp_sp_pre(DECL_ARGS);
127static int termp_sq_pre(DECL_ARGS);
128static int termp_ss_pre(DECL_ARGS);
129static int termp_under_pre(DECL_ARGS);
130static int termp_ud_pre(DECL_ARGS);
bd9525ad 131static int termp_vt_pre(DECL_ARGS);
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132static int termp_xr_pre(DECL_ARGS);
133static int termp_xx_pre(DECL_ARGS);
134
135static 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 */
4a06b3fd 166 { termp_li_pre, NULL }, /* Li */
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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 */
bd9525ad 175 { termp_vt_pre, termp_vt_post }, /* Vt */
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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 */
057fa736 202 { NULL, NULL }, /* Ec */ /* FIXME: no space */
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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 */
cbce6d97 256 { termp_under_pre, termp____post }, /* %U */
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257};
258
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259
260void
261terminal_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
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269 p->overstep = 0;
270 p->maxrmargin = 78;
271
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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
4a06b3fd 285 print_mdoc_head(p, NULL, m, n);
589e7c1d 286 if (n->child)
4a06b3fd 287 print_mdoc_nodelist(p, NULL, m, n->child);
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288 print_foot(p, NULL, m, n);
289}
290
291
292static void
4a06b3fd 293print_mdoc_nodelist(DECL_ARGS)
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294{
295
4a06b3fd 296 print_mdoc_node(p, pair, m, n);
589e7c1d 297 if (n->next)
4a06b3fd 298 print_mdoc_nodelist(p, pair, m, n->next);
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299}
300
301
302/* ARGSUSED */
303static void
4a06b3fd 304print_mdoc_node(DECL_ARGS)
589e7c1d 305{
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306 int chld;
307 const void *font;
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308 struct termpair npair;
309 size_t offset, rmargin;
310
311 chld = 1;
312 offset = p->offset;
313 rmargin = p->rmargin;
4a06b3fd 314 font = term_fontq(p);
589e7c1d 315
0dd4f147 316 memset(&npair, 0, sizeof(struct termpair));
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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);
589e7c1d 324
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325 if (chld && n->child)
326 print_mdoc_nodelist(p, &npair, m, n->child);
589e7c1d 327
4a06b3fd 328 term_fontpopq(p, font);
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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 */
340static void
341print_foot(DECL_ARGS)
342{
0dd4f147 343 char buf[DATESIZ], os[BUFSIZ];
589e7c1d 344
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345 term_fontrepl(p, TERMFONT_NONE);
346
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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
cbce6d97 355 time2a(m->date, buf, DATESIZ);
0dd4f147 356 strlcpy(os, m->os, BUFSIZ);
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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;
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385}
386
387
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388/* ARGSUSED */
389static void
4a06b3fd 390print_mdoc_head(DECL_ARGS)
589e7c1d 391{
0dd4f147 392 char buf[BUFSIZ], title[BUFSIZ];
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393
394 p->rmargin = p->maxrmargin;
395 p->offset = 0;
396
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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);
0dd4f147 411 strlcpy(buf, m->vol, BUFSIZ);
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412
413 if (m->arch) {
0dd4f147
SW
414 strlcat(buf, " (", BUFSIZ);
415 strlcat(buf, m->arch, BUFSIZ);
416 strlcat(buf, ")", BUFSIZ);
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417 }
418
0dd4f147 419 snprintf(title, BUFSIZ, "%s(%d)", m->title, m->msec);
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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;
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446}
447
448
449static size_t
cbce6d97 450a2height(const struct mdoc_node *n)
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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
463static size_t
cbce6d97 464a2width(const struct mdoc_argv *arg, int pos)
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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
bd9525ad 472 return(term_hspan(&su));
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473}
474
475
476static int
477arg_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
517static size_t
cbce6d97 518a2offs(const struct mdoc_argv *arg)
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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
bd9525ad
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537/*
538 * Return 1 if an argument has a particular argument value or 0 if it
539 * does not. See arg_getattr().
540 */
589e7c1d
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541static int
542arg_hasattr(int arg, const struct mdoc_node *n)
543{
544
545 return(-1 != arg_getattr(arg, n));
546}
547
548
bd9525ad
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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 */
589e7c1d
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553static int
554arg_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
bd9525ad
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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 */
589e7c1d
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568static int
569arg_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
bd9525ad
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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 */
589e7c1d
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592static void
593print_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 */
637static int
638termp_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 */
651static void
652termp_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 */
664static int
665termp_it_pre(DECL_ARGS)
666{
667 const struct mdoc_node *bl, *nn;
668 char buf[7];
669 int i, type, keys[3], vals[3];
bd9525ad 670 size_t width, offset, ncols, dcol;
589e7c1d
SW
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
bd9525ad 679 /* Get list width, offset, and list type from argument list. */
589e7c1d
SW
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
bd9525ad 687 arg_getattrs(keys, vals, 3, bl);
589e7c1d
SW
688
689 type = arg_listtype(bl);
690 assert(-1 != type);
691
bd9525ad
SW
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]]);
589e7c1d
SW
702
703 switch (type) {
704 case (MDOC_Column):
705 if (MDOC_BODY == n->type)
706 break;
707 /*
bd9525ad
SW
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.
589e7c1d 715 */
bd9525ad
SW
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;
589e7c1d 722 nn = nn->prev, i++)
bd9525ad 723 offset += dcol + a2width
589e7c1d
SW
724 (&bl->args->argv[vals[2]], i);
725
589e7c1d 726
bd9525ad
SW
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;
589e7c1d
SW
741 break;
742 default:
bd9525ad
SW
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;
589e7c1d
SW
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)
4a06b3fd 813 term_fontpush(p, TERMFONT_BOLD);
589e7c1d
SW
814 break;
815 default:
816 break;
817 }
818
819 /*
bd9525ad
SW
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.
589e7c1d
SW
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 &&
bd9525ad
SW
935 MDOC_BODY == n->next->type &&
936 p->rmargin < p->maxrmargin)
589e7c1d
SW
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):
4a06b3fd 951 term_fontpush(p, TERMFONT_BOLD);
589e7c1d 952 term_word(p, "\\[bu]");
4a06b3fd 953 term_fontpop(p);
589e7c1d
SW
954 break;
955 case (MDOC_Dash):
956 /* FALLTHROUGH */
957 case (MDOC_Hyphen):
4a06b3fd 958 term_fontpush(p, TERMFONT_BOLD);
589e7c1d 959 term_word(p, "\\(hy");
4a06b3fd 960 term_fontpop(p);
589e7c1d
SW
961 break;
962 case (MDOC_Enum):
963 (pair->ppair->ppair->count)++;
bd9525ad 964 snprintf(buf, sizeof(buf), "%d.",
589e7c1d
SW
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 */
1002static void
1003termp_it_post(DECL_ARGS)
1004{
1005 int type;
1006
bd9525ad 1007 if (MDOC_BLOCK == n->type)
589e7c1d
SW
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
bd9525ad
SW
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;
589e7c1d
SW
1042}
1043
1044
1045/* ARGSUSED */
1046static int
1047termp_nm_pre(DECL_ARGS)
1048{
1049
1050 if (SEC_SYNOPSIS == n->sec)
1051 term_newln(p);
4a06b3fd
SW
1052
1053 term_fontpush(p, TERMFONT_BOLD);
1054
589e7c1d
SW
1055 if (NULL == n->child)
1056 term_word(p, m->name);
1057 return(1);
1058}
1059
1060
1061/* ARGSUSED */
1062static int
1063termp_fl_pre(DECL_ARGS)
1064{
1065
4a06b3fd 1066 term_fontpush(p, TERMFONT_BOLD);
589e7c1d 1067 term_word(p, "\\-");
bd9525ad
SW
1068
1069 /* A blank `Fl' should incur a subsequent space. */
1070
1071 if (n->child)
1072 p->flags |= TERMP_NOSPACE;
1073
589e7c1d
SW
1074 return(1);
1075}
1076
1077
1078/* ARGSUSED */
1079static int
1080termp_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 */
1115static void
1116termp_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 */
1137static int
1138termp_ns_pre(DECL_ARGS)
1139{
1140
1141 p->flags |= TERMP_NOSPACE;
1142 return(1);
1143}
1144
1145
1146/* ARGSUSED */
1147static int
1148termp_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 */
1160static int
1161termp_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) {
4a06b3fd 1169 term_fontpush(p, TERMFONT_BOLD);
589e7c1d 1170 term_word(p, nn->string);
4a06b3fd 1171 term_fontpop(p);
589e7c1d
SW
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
4a06b3fd 1189 term_fontpush(p, TERMFONT_UNDER);
589e7c1d 1190 term_word(p, "errno");
4a06b3fd 1191 term_fontpop(p);
589e7c1d
SW
1192
1193 term_word(p, "is set to indicate the error.");
1194
1195 return(0);
1196}
1197
1198
1199/* ARGSUSED */
1200static int
1201termp_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) {
4a06b3fd 1208 term_fontpush(p, TERMFONT_BOLD);
589e7c1d 1209 term_word(p, nn->string);
4a06b3fd 1210 term_fontpop(p);
589e7c1d
SW
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 */
1232static int
1233termp_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 */
1249static void
1250termp_bl_post(DECL_ARGS)
1251{
1252
1253 if (MDOC_BLOCK == n->type)
1254 term_newln(p);
1255}
1256
1257
1258/* ARGSUSED */
1259static void
1260termp_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 */
1271static int
1272termp_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
bd9525ad
SW
1293static int
1294termp_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
589e7c1d
SW
1308/* ARGSUSED */
1309static void
1310termp_vt_post(DECL_ARGS)
1311{
1312
bd9525ad 1313 if (MDOC_BLOCK != n->type)
589e7c1d
SW
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 */
1323static int
1324termp_bold_pre(DECL_ARGS)
1325{
1326
4a06b3fd 1327 term_fontpush(p, TERMFONT_BOLD);
589e7c1d
SW
1328 return(1);
1329}
1330
1331
1332/* ARGSUSED */
1333static void
1334termp_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 */
1347static int
1348termp_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):
4a06b3fd 1361 term_fontpush(p, TERMFONT_BOLD);
589e7c1d
SW
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 */
1374static void
1375termp_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 */
1393static int
1394termp_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 */
1410static int
1411termp_bt_pre(DECL_ARGS)
1412{
1413
1414 term_word(p, "is currently in beta test.");
1415 return(0);
1416}
1417
1418
1419/* ARGSUSED */
1420static void
1421termp_lb_post(DECL_ARGS)
1422{
1423
1424 if (SEC_LIBRARY == n->sec)
1425 term_newln(p);
1426}
1427
1428
1429/* ARGSUSED */
1430static int
1431termp_ud_pre(DECL_ARGS)
1432{
1433
1434 term_word(p, "currently under development.");
1435 return(0);
1436}
1437
1438
1439/* ARGSUSED */
1440static int
1441termp_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 */
1453static void
1454termp_d1_post(DECL_ARGS)
1455{
1456
1457 if (MDOC_BLOCK != n->type)
1458 return;
1459 term_newln(p);
1460}
1461
1462
1463/* ARGSUSED */
1464static int
1465termp_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 */
1477static void
1478termp_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 */
1489static int
1490termp_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);
4a06b3fd
SW
1496
1497 term_fontpush(p, TERMFONT_UNDER);
589e7c1d
SW
1498 return(1);
1499}
1500
1501
1502/* ARGSUSED */
1503static void
1504termp_ft_post(DECL_ARGS)
1505{
1506
1507 if (SEC_SYNOPSIS == n->sec)
1508 term_newln(p);
1509}
1510
1511
1512/* ARGSUSED */
1513static int
1514termp_fn_pre(DECL_ARGS)
1515{
1516 const struct mdoc_node *nn;
1517
4a06b3fd 1518 term_fontpush(p, TERMFONT_BOLD);
589e7c1d 1519 term_word(p, n->child->string);
4a06b3fd 1520 term_fontpop(p);
589e7c1d
SW
1521
1522 p->flags |= TERMP_NOSPACE;
1523 term_word(p, "(");
1524
1525 for (nn = n->child->next; nn; nn = nn->next) {
4a06b3fd 1526 term_fontpush(p, TERMFONT_UNDER);
589e7c1d 1527 term_word(p, nn->string);
4a06b3fd
SW
1528 term_fontpop(p);
1529
589e7c1d
SW
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 */
1544static void
1545termp_fn_post(DECL_ARGS)
1546{
1547
1548 if (n->sec == SEC_SYNOPSIS && n->next)
1549 term_vspace(p);
1550}
1551
1552
1553/* ARGSUSED */
1554static int
1555termp_fa_pre(DECL_ARGS)
1556{
1557 const struct mdoc_node *nn;
1558
1559 if (n->parent->tok != MDOC_Fo) {
4a06b3fd 1560 term_fontpush(p, TERMFONT_UNDER);
589e7c1d
SW
1561 return(1);
1562 }
1563
1564 for (nn = n->child; nn; nn = nn->next) {
4a06b3fd 1565 term_fontpush(p, TERMFONT_UNDER);
589e7c1d 1566 term_word(p, nn->string);
4a06b3fd
SW
1567 term_fontpop(p);
1568
589e7c1d
SW
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 */
1581static int
1582termp_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):
cbce6d97 1609 p->offset += a2offs(&nn->args->argv[i]);
589e7c1d
SW
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;
4a06b3fd 1630 print_mdoc_node(p, pair, m, nn);
589e7c1d
SW
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 */
1644static void
1645termp_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 */
1656static int
1657termp_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 */
1669static void
1670termp_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 */
1681static void
1682termp_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 */
1692static int
1693termp_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):
0dd4f147 1703 pp = "DragonFly";
589e7c1d
SW
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 */
1728static int
1729termp_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 */
1741static void
1742termp_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 */
1753static int
1754termp_pf_pre(DECL_ARGS)
1755{
1756
1757 p->flags |= TERMP_IGNDELIM;
1758 return(1);
1759}
1760
1761
1762/* ARGSUSED */
1763static void
1764termp_pf_post(DECL_ARGS)
1765{
1766
1767 p->flags &= ~TERMP_IGNDELIM;
1768 p->flags |= TERMP_NOSPACE;
1769}
1770
1771
1772/* ARGSUSED */
1773static int
1774termp_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):
4a06b3fd 1784 term_fontpush(p, TERMFONT_BOLD);
589e7c1d
SW
1785 p->offset = HALFINDENT;
1786 break;
1787 default:
1788 break;
1789 }
1790
1791 return(1);
1792}
1793
1794
1795/* ARGSUSED */
1796static void
1797termp_ss_post(DECL_ARGS)
1798{
1799
1800 if (MDOC_HEAD == n->type)
1801 term_newln(p);
1802}
1803
1804
1805/* ARGSUSED */
1806static int
1807termp_cd_pre(DECL_ARGS)
1808{
1809
4a06b3fd 1810 term_fontpush(p, TERMFONT_BOLD);
589e7c1d
SW
1811 term_newln(p);
1812 return(1);
1813}
1814
1815
1816/* ARGSUSED */
1817static int
1818termp_in_pre(DECL_ARGS)
1819{
1820
4a06b3fd 1821 term_fontpush(p, TERMFONT_BOLD);
589e7c1d
SW
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 */
1832static void
1833termp_in_post(DECL_ARGS)
1834{
1835
4a06b3fd 1836 term_fontpush(p, TERMFONT_BOLD);
589e7c1d
SW
1837 p->flags |= TERMP_NOSPACE;
1838 term_word(p, ">");
4a06b3fd 1839 term_fontpop(p);
589e7c1d
SW
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 */
1857static int
1858termp_sp_pre(DECL_ARGS)
1859{
1860 size_t i, len;
1861
1862 switch (n->tok) {
1863 case (MDOC_sp):
cbce6d97 1864 len = n->child ? a2height(n->child) : 1;
589e7c1d
SW
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 */
1884static int
1885termp_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 */
1897static void
1898termp_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 */
1909static int
1910termp_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 */
1922static void
1923termp_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 */
1934static int
1935termp_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 */
1947static void
1948termp_pq_post(DECL_ARGS)
1949{
1950
1951 if (MDOC_BODY != n->type)
1952 return;
1953 term_word(p, ")");
1954}
1955
1956
1957/* ARGSUSED */
1958static int
1959termp_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
4a06b3fd 1971 term_fontpush(p, TERMFONT_BOLD);
589e7c1d
SW
1972 for (nn = n->child; nn; nn = nn->next) {
1973 assert(MDOC_TEXT == nn->type);
1974 term_word(p, nn->string);
1975 }
4a06b3fd 1976 term_fontpop(p);
589e7c1d
SW
1977
1978 return(0);
1979}
1980
1981
1982/* ARGSUSED */
1983static void
1984termp_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 */
1998static int
1999termp_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))
4a06b3fd 2010 term_fontpush(p, TERMFONT_UNDER);
589e7c1d 2011 else if (arg_hasattr(MDOC_Symbolic, n))
4a06b3fd
SW
2012 term_fontpush(p, TERMFONT_BOLD);
2013 else
2014 term_fontpush(p, TERMFONT_NONE);
589e7c1d
SW
2015
2016 return(1);
2017 }
2018
2019 assert(MDOC_TEXT == nn->type);
2020 if (0 == strcmp("Em", nn->string))
4a06b3fd 2021 term_fontpush(p, TERMFONT_UNDER);
589e7c1d 2022 else if (0 == strcmp("Sy", nn->string))
4a06b3fd
SW
2023 term_fontpush(p, TERMFONT_BOLD);
2024 else
2025 term_fontpush(p, TERMFONT_NONE);
589e7c1d
SW
2026
2027 return(1);
2028}
2029
2030
2031/* ARGSUSED */
2032static int
2033termp_sm_pre(DECL_ARGS)
2034{
2035
2036 assert(n->child && MDOC_TEXT == n->child->type);
bd9525ad 2037 if (0 == strcmp("on", n->child->string))
589e7c1d 2038 p->flags &= ~TERMP_NONOSPACE;
bd9525ad 2039 else
589e7c1d
SW
2040 p->flags |= TERMP_NONOSPACE;
2041
2042 return(0);
2043}
2044
2045
2046/* ARGSUSED */
2047static int
2048termp_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 */
2059static void
2060termp____post(DECL_ARGS)
2061{
2062
cbce6d97
SW
2063 /* TODO: %U. */
2064
589e7c1d
SW
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
4a06b3fd
SW
2078/* ARGSUSED */
2079static int
2080termp_li_pre(DECL_ARGS)
2081{
2082
2083 term_fontpush(p, TERMFONT_NONE);
2084 return(1);
2085}
2086
2087
589e7c1d
SW
2088/* ARGSUSED */
2089static int
2090termp_lk_pre(DECL_ARGS)
2091{
2092 const struct mdoc_node *nn;
2093
4a06b3fd 2094 term_fontpush(p, TERMFONT_UNDER);
cbce6d97
SW
2095 nn = n->child;
2096
2097 if (NULL == nn->next)
589e7c1d 2098 return(1);
589e7c1d 2099
589e7c1d 2100 term_word(p, nn->string);
4a06b3fd 2101 term_fontpop(p);
cbce6d97 2102
589e7c1d
SW
2103 p->flags |= TERMP_NOSPACE;
2104 term_word(p, ":");
589e7c1d 2105
4a06b3fd 2106 term_fontpush(p, TERMFONT_BOLD);
589e7c1d
SW
2107 for (nn = nn->next; nn; nn = nn->next)
2108 term_word(p, nn->string);
4a06b3fd 2109 term_fontpop(p);
589e7c1d
SW
2110
2111 return(0);
2112}
2113
2114
2115/* ARGSUSED */
2116static int
2117termp_under_pre(DECL_ARGS)
2118{
2119
4a06b3fd 2120 term_fontpush(p, TERMFONT_UNDER);
589e7c1d
SW
2121 return(1);
2122}
2123
2124
2125/* ARGSUSED */
2126static int
2127termp__t_pre(DECL_ARGS)
2128{
2129
2130 term_word(p, "\\(lq");
2131 p->flags |= TERMP_NOSPACE;
2132 return(1);
2133}