mdocml: fix .Fo/.Fa output
[dragonfly.git] / contrib / mdocml / mdoc_term.c
CommitLineData
74b26fd3 1/* $Id: mdoc_term.c,v 1.256 2013/12/25 14:40:34 schwarze Exp $ */
80387638 2/*
60e1e752 3 * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
0f63dfd0 4 * Copyright (c) 2010, 2012, 2013 Ingo Schwarze <schwarze@openbsd.org>
74b26fd3 5 * Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de>
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6 *
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 */
19#ifdef HAVE_CONFIG_H
20#include "config.h"
21#endif
22
23#include <sys/types.h>
24
25#include <assert.h>
26#include <ctype.h>
27#include <stdint.h>
28#include <stdio.h>
29#include <stdlib.h>
30#include <string.h>
31
32#include "mandoc.h"
33#include "out.h"
34#include "term.h"
35#include "mdoc.h"
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36#include "main.h"
37
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38struct termpair {
39 struct termpair *ppair;
40 int count;
41};
42
43#define DECL_ARGS struct termp *p, \
44 struct termpair *pair, \
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45 const struct mdoc_meta *meta, \
46 struct mdoc_node *n
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47
48struct termact {
49 int (*pre)(DECL_ARGS);
50 void (*post)(DECL_ARGS);
51};
52
53static size_t a2width(const struct termp *, const char *);
54static size_t a2height(const struct termp *, const char *);
55static size_t a2offs(const struct termp *, const char *);
56
57static void print_bvspace(struct termp *,
58 const struct mdoc_node *,
59 const struct mdoc_node *);
60static void print_mdoc_node(DECL_ARGS);
61static void print_mdoc_nodelist(DECL_ARGS);
62static void print_mdoc_head(struct termp *, const void *);
63static void print_mdoc_foot(struct termp *, const void *);
64static void synopsis_pre(struct termp *,
65 const struct mdoc_node *);
66
67static void termp____post(DECL_ARGS);
68static void termp__t_post(DECL_ARGS);
69static void termp_an_post(DECL_ARGS);
70static void termp_bd_post(DECL_ARGS);
71static void termp_bk_post(DECL_ARGS);
72static void termp_bl_post(DECL_ARGS);
f88b6c16 73static void termp_fd_post(DECL_ARGS);
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74static void termp_fo_post(DECL_ARGS);
75static void termp_in_post(DECL_ARGS);
76static void termp_it_post(DECL_ARGS);
77static void termp_lb_post(DECL_ARGS);
78static void termp_nm_post(DECL_ARGS);
79static void termp_pf_post(DECL_ARGS);
80static void termp_quote_post(DECL_ARGS);
81static void termp_sh_post(DECL_ARGS);
82static void termp_ss_post(DECL_ARGS);
83
84static int termp__a_pre(DECL_ARGS);
85static int termp__t_pre(DECL_ARGS);
86static int termp_an_pre(DECL_ARGS);
87static int termp_ap_pre(DECL_ARGS);
88static int termp_bd_pre(DECL_ARGS);
89static int termp_bf_pre(DECL_ARGS);
90static int termp_bk_pre(DECL_ARGS);
91static int termp_bl_pre(DECL_ARGS);
92static int termp_bold_pre(DECL_ARGS);
93static int termp_bt_pre(DECL_ARGS);
60e1e752 94static int termp_bx_pre(DECL_ARGS);
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95static int termp_cd_pre(DECL_ARGS);
96static int termp_d1_pre(DECL_ARGS);
97static int termp_ex_pre(DECL_ARGS);
98static int termp_fa_pre(DECL_ARGS);
99static int termp_fd_pre(DECL_ARGS);
100static int termp_fl_pre(DECL_ARGS);
101static int termp_fn_pre(DECL_ARGS);
102static int termp_fo_pre(DECL_ARGS);
103static int termp_ft_pre(DECL_ARGS);
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104static int termp_in_pre(DECL_ARGS);
105static int termp_it_pre(DECL_ARGS);
106static int termp_li_pre(DECL_ARGS);
107static int termp_lk_pre(DECL_ARGS);
108static int termp_nd_pre(DECL_ARGS);
109static int termp_nm_pre(DECL_ARGS);
110static int termp_ns_pre(DECL_ARGS);
111static int termp_quote_pre(DECL_ARGS);
112static int termp_rs_pre(DECL_ARGS);
113static int termp_rv_pre(DECL_ARGS);
114static int termp_sh_pre(DECL_ARGS);
115static int termp_sm_pre(DECL_ARGS);
116static int termp_sp_pre(DECL_ARGS);
117static int termp_ss_pre(DECL_ARGS);
118static int termp_under_pre(DECL_ARGS);
119static int termp_ud_pre(DECL_ARGS);
120static int termp_vt_pre(DECL_ARGS);
121static int termp_xr_pre(DECL_ARGS);
122static int termp_xx_pre(DECL_ARGS);
123
124static const struct termact termacts[MDOC_MAX] = {
125 { termp_ap_pre, NULL }, /* Ap */
126 { NULL, NULL }, /* Dd */
127 { NULL, NULL }, /* Dt */
128 { NULL, NULL }, /* Os */
129 { termp_sh_pre, termp_sh_post }, /* Sh */
130 { termp_ss_pre, termp_ss_post }, /* Ss */
131 { termp_sp_pre, NULL }, /* Pp */
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132 { termp_d1_pre, termp_bl_post }, /* D1 */
133 { termp_d1_pre, termp_bl_post }, /* Dl */
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134 { termp_bd_pre, termp_bd_post }, /* Bd */
135 { NULL, NULL }, /* Ed */
136 { termp_bl_pre, termp_bl_post }, /* Bl */
137 { NULL, NULL }, /* El */
138 { termp_it_pre, termp_it_post }, /* It */
139 { termp_under_pre, NULL }, /* Ad */
140 { termp_an_pre, termp_an_post }, /* An */
141 { termp_under_pre, NULL }, /* Ar */
142 { termp_cd_pre, NULL }, /* Cd */
143 { termp_bold_pre, NULL }, /* Cm */
144 { NULL, NULL }, /* Dv */
145 { NULL, NULL }, /* Er */
146 { NULL, NULL }, /* Ev */
147 { termp_ex_pre, NULL }, /* Ex */
148 { termp_fa_pre, NULL }, /* Fa */
f88b6c16 149 { termp_fd_pre, termp_fd_post }, /* Fd */
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150 { termp_fl_pre, NULL }, /* Fl */
151 { termp_fn_pre, NULL }, /* Fn */
152 { termp_ft_pre, NULL }, /* Ft */
153 { termp_bold_pre, NULL }, /* Ic */
154 { termp_in_pre, termp_in_post }, /* In */
155 { termp_li_pre, NULL }, /* Li */
156 { termp_nd_pre, NULL }, /* Nd */
157 { termp_nm_pre, termp_nm_post }, /* Nm */
158 { termp_quote_pre, termp_quote_post }, /* Op */
159 { NULL, NULL }, /* Ot */
160 { termp_under_pre, NULL }, /* Pa */
161 { termp_rv_pre, NULL }, /* Rv */
162 { NULL, NULL }, /* St */
163 { termp_under_pre, NULL }, /* Va */
164 { termp_vt_pre, NULL }, /* Vt */
165 { termp_xr_pre, NULL }, /* Xr */
166 { termp__a_pre, termp____post }, /* %A */
167 { termp_under_pre, termp____post }, /* %B */
168 { NULL, termp____post }, /* %D */
169 { termp_under_pre, termp____post }, /* %I */
170 { termp_under_pre, termp____post }, /* %J */
171 { NULL, termp____post }, /* %N */
172 { NULL, termp____post }, /* %O */
173 { NULL, termp____post }, /* %P */
174 { NULL, termp____post }, /* %R */
175 { termp__t_pre, termp__t_post }, /* %T */
176 { NULL, termp____post }, /* %V */
177 { NULL, NULL }, /* Ac */
178 { termp_quote_pre, termp_quote_post }, /* Ao */
179 { termp_quote_pre, termp_quote_post }, /* Aq */
180 { NULL, NULL }, /* At */
181 { NULL, NULL }, /* Bc */
182 { termp_bf_pre, NULL }, /* Bf */
183 { termp_quote_pre, termp_quote_post }, /* Bo */
184 { termp_quote_pre, termp_quote_post }, /* Bq */
185 { termp_xx_pre, NULL }, /* Bsx */
60e1e752 186 { termp_bx_pre, NULL }, /* Bx */
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187 { NULL, NULL }, /* Db */
188 { NULL, NULL }, /* Dc */
189 { termp_quote_pre, termp_quote_post }, /* Do */
190 { termp_quote_pre, termp_quote_post }, /* Dq */
191 { NULL, NULL }, /* Ec */ /* FIXME: no space */
192 { NULL, NULL }, /* Ef */
193 { termp_under_pre, NULL }, /* Em */
36342e81 194 { termp_quote_pre, termp_quote_post }, /* Eo */
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195 { termp_xx_pre, NULL }, /* Fx */
196 { termp_bold_pre, NULL }, /* Ms */
9f00ceb7 197 { NULL, NULL }, /* No */
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198 { termp_ns_pre, NULL }, /* Ns */
199 { termp_xx_pre, NULL }, /* Nx */
200 { termp_xx_pre, NULL }, /* Ox */
201 { NULL, NULL }, /* Pc */
9f00ceb7 202 { NULL, termp_pf_post }, /* Pf */
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203 { termp_quote_pre, termp_quote_post }, /* Po */
204 { termp_quote_pre, termp_quote_post }, /* Pq */
205 { NULL, NULL }, /* Qc */
206 { termp_quote_pre, termp_quote_post }, /* Ql */
207 { termp_quote_pre, termp_quote_post }, /* Qo */
208 { termp_quote_pre, termp_quote_post }, /* Qq */
209 { NULL, NULL }, /* Re */
210 { termp_rs_pre, NULL }, /* Rs */
211 { NULL, NULL }, /* Sc */
212 { termp_quote_pre, termp_quote_post }, /* So */
213 { termp_quote_pre, termp_quote_post }, /* Sq */
214 { termp_sm_pre, NULL }, /* Sm */
215 { termp_under_pre, NULL }, /* Sx */
216 { termp_bold_pre, NULL }, /* Sy */
217 { NULL, NULL }, /* Tn */
218 { termp_xx_pre, NULL }, /* Ux */
219 { NULL, NULL }, /* Xc */
220 { NULL, NULL }, /* Xo */
221 { termp_fo_pre, termp_fo_post }, /* Fo */
222 { NULL, NULL }, /* Fc */
223 { termp_quote_pre, termp_quote_post }, /* Oo */
224 { NULL, NULL }, /* Oc */
225 { termp_bk_pre, termp_bk_post }, /* Bk */
226 { NULL, NULL }, /* Ek */
227 { termp_bt_pre, NULL }, /* Bt */
228 { NULL, NULL }, /* Hf */
229 { NULL, NULL }, /* Fr */
230 { termp_ud_pre, NULL }, /* Ud */
231 { NULL, termp_lb_post }, /* Lb */
232 { termp_sp_pre, NULL }, /* Lp */
233 { termp_lk_pre, NULL }, /* Lk */
234 { termp_under_pre, NULL }, /* Mt */
235 { termp_quote_pre, termp_quote_post }, /* Brq */
236 { termp_quote_pre, termp_quote_post }, /* Bro */
237 { NULL, NULL }, /* Brc */
238 { NULL, termp____post }, /* %C */
239 { NULL, NULL }, /* Es */ /* TODO */
240 { NULL, NULL }, /* En */ /* TODO */
241 { termp_xx_pre, NULL }, /* Dx */
242 { NULL, termp____post }, /* %Q */
243 { termp_sp_pre, NULL }, /* br */
244 { termp_sp_pre, NULL }, /* sp */
f88b6c16 245 { NULL, termp____post }, /* %U */
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246 { NULL, NULL }, /* Ta */
247};
248
249
250void
251terminal_mdoc(void *arg, const struct mdoc *mdoc)
252{
253 const struct mdoc_node *n;
f88b6c16 254 const struct mdoc_meta *meta;
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255 struct termp *p;
256
257 p = (struct termp *)arg;
258
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259 if (0 == p->defindent)
260 p->defindent = 5;
261
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262 p->overstep = 0;
263 p->maxrmargin = p->defrmargin;
264 p->tabwidth = term_len(p, 5);
265
266 if (NULL == p->symtab)
a4c7eb57 267 p->symtab = mchars_alloc();
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268
269 n = mdoc_node(mdoc);
f88b6c16 270 meta = mdoc_meta(mdoc);
80387638 271
f88b6c16 272 term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
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273
274 if (n->child)
f88b6c16 275 print_mdoc_nodelist(p, NULL, meta, n->child);
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276
277 term_end(p);
278}
279
280
281static void
282print_mdoc_nodelist(DECL_ARGS)
283{
284
f88b6c16 285 print_mdoc_node(p, pair, meta, n);
80387638 286 if (n->next)
f88b6c16 287 print_mdoc_nodelist(p, pair, meta, n->next);
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288}
289
290
291/* ARGSUSED */
292static void
293print_mdoc_node(DECL_ARGS)
294{
295 int chld;
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296 struct termpair npair;
297 size_t offset, rmargin;
298
299 chld = 1;
300 offset = p->offset;
301 rmargin = p->rmargin;
f88b6c16 302 n->prev_font = term_fontq(p);
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303
304 memset(&npair, 0, sizeof(struct termpair));
305 npair.ppair = pair;
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306
307 /*
308 * Keeps only work until the end of a line. If a keep was
309 * invoked in a prior line, revert it to PREKEEP.
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310 */
311
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FF
312 if (TERMP_KEEP & p->flags) {
313 if (n->prev ? (n->prev->lastline != n->line) :
f88b6c16 314 (n->parent && n->parent->line != n->line)) {
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315 p->flags &= ~TERMP_KEEP;
316 p->flags |= TERMP_PREKEEP;
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317 }
318 }
319
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320 /*
321 * After the keep flags have been set up, we may now
322 * produce output. Note that some pre-handlers do so.
323 */
324
325 switch (n->type) {
326 case (MDOC_TEXT):
327 if (' ' == *n->string && MDOC_LINE & n->flags)
328 term_newln(p);
329 if (MDOC_DELIMC & n->flags)
330 p->flags |= TERMP_NOSPACE;
331 term_word(p, n->string);
332 if (MDOC_DELIMO & n->flags)
333 p->flags |= TERMP_NOSPACE;
334 break;
335 case (MDOC_EQN):
36342e81 336 term_eqn(p, n->eqn);
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337 break;
338 case (MDOC_TBL):
339 term_tbl(p, n->span);
340 break;
341 default:
342 if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
343 chld = (*termacts[n->tok].pre)
f88b6c16 344 (p, &npair, meta, n);
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345 break;
346 }
347
80387638 348 if (chld && n->child)
f88b6c16 349 print_mdoc_nodelist(p, &npair, meta, n->child);
80387638 350
f88b6c16
FF
351 term_fontpopq(p,
352 (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
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353
354 switch (n->type) {
355 case (MDOC_TEXT):
356 break;
357 case (MDOC_TBL):
358 break;
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359 case (MDOC_EQN):
360 break;
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361 default:
362 if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
363 break;
f88b6c16 364 (void)(*termacts[n->tok].post)(p, &npair, meta, n);
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365
366 /*
367 * Explicit end tokens not only call the post
368 * handler, but also tell the respective block
369 * that it must not call the post handler again.
370 */
371 if (ENDBODY_NOT != n->end)
372 n->pending->flags |= MDOC_ENDED;
373
374 /*
375 * End of line terminating an implicit block
376 * while an explicit block is still open.
377 * Continue the explicit block without spacing.
378 */
379 if (ENDBODY_NOSPACE == n->end)
380 p->flags |= TERMP_NOSPACE;
381 break;
382 }
383
384 if (MDOC_EOS & n->flags)
385 p->flags |= TERMP_SENTENCE;
386
387 p->offset = offset;
388 p->rmargin = rmargin;
389}
390
391
392static void
393print_mdoc_foot(struct termp *p, const void *arg)
394{
f88b6c16 395 const struct mdoc_meta *meta;
80387638 396
f88b6c16 397 meta = (const struct mdoc_meta *)arg;
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398
399 term_fontrepl(p, TERMFONT_NONE);
400
401 /*
402 * Output the footer in new-groff style, that is, three columns
403 * with the middle being the manual date and flanking columns
404 * being the operating system:
405 *
406 * SYSTEM DATE SYSTEM
407 */
408
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409 term_vspace(p);
410
411 p->offset = 0;
412 p->rmargin = (p->maxrmargin -
f88b6c16 413 term_strlen(p, meta->date) + term_len(p, 1)) / 2;
0f63dfd0 414 p->trailspace = 1;
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415 p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
416
f88b6c16 417 term_word(p, meta->os);
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418 term_flushln(p);
419
420 p->offset = p->rmargin;
f88b6c16 421 p->rmargin = p->maxrmargin - term_strlen(p, meta->os);
36342e81 422 p->flags |= TERMP_NOSPACE;
80387638 423
f88b6c16 424 term_word(p, meta->date);
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425 term_flushln(p);
426
427 p->offset = p->rmargin;
428 p->rmargin = p->maxrmargin;
0f63dfd0 429 p->trailspace = 0;
80387638 430 p->flags &= ~TERMP_NOBREAK;
36342e81 431 p->flags |= TERMP_NOSPACE;
80387638 432
f88b6c16 433 term_word(p, meta->os);
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434 term_flushln(p);
435
436 p->offset = 0;
437 p->rmargin = p->maxrmargin;
438 p->flags = 0;
439}
440
441
442static void
443print_mdoc_head(struct termp *p, const void *arg)
444{
445 char buf[BUFSIZ], title[BUFSIZ];
36342e81 446 size_t buflen, titlen;
f88b6c16 447 const struct mdoc_meta *meta;
80387638 448
f88b6c16 449 meta = (const struct mdoc_meta *)arg;
80387638 450
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451 /*
452 * The header is strange. It has three components, which are
453 * really two with the first duplicated. It goes like this:
454 *
455 * IDENTIFIER TITLE IDENTIFIER
456 *
457 * The IDENTIFIER is NAME(SECTION), which is the command-name
458 * (if given, or "unknown" if not) followed by the manual page
459 * section. These are given in `Dt'. The TITLE is a free-form
460 * string depending on the manual volume. If not specified, it
461 * switches on the manual section.
462 */
463
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464 p->offset = 0;
465 p->rmargin = p->maxrmargin;
466
f88b6c16
FF
467 assert(meta->vol);
468 strlcpy(buf, meta->vol, BUFSIZ);
36342e81 469 buflen = term_strlen(p, buf);
80387638 470
f88b6c16 471 if (meta->arch) {
80387638 472 strlcat(buf, " (", BUFSIZ);
f88b6c16 473 strlcat(buf, meta->arch, BUFSIZ);
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474 strlcat(buf, ")", BUFSIZ);
475 }
476
f88b6c16 477 snprintf(title, BUFSIZ, "%s(%s)", meta->title, meta->msec);
36342e81 478 titlen = term_strlen(p, title);
80387638 479
80387638 480 p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
0f63dfd0 481 p->trailspace = 1;
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482 p->offset = 0;
483 p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ?
484 (p->maxrmargin -
485 term_strlen(p, buf) + term_len(p, 1)) / 2 :
486 p->maxrmargin - buflen;
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487
488 term_word(p, title);
489 term_flushln(p);
490
36342e81 491 p->flags |= TERMP_NOSPACE;
80387638 492 p->offset = p->rmargin;
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493 p->rmargin = p->offset + buflen + titlen < p->maxrmargin ?
494 p->maxrmargin - titlen : p->maxrmargin;
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495
496 term_word(p, buf);
497 term_flushln(p);
498
80387638 499 p->flags &= ~TERMP_NOBREAK;
0f63dfd0 500 p->trailspace = 0;
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501 if (p->rmargin + titlen <= p->maxrmargin) {
502 p->flags |= TERMP_NOSPACE;
503 p->offset = p->rmargin;
504 p->rmargin = p->maxrmargin;
505 term_word(p, title);
506 term_flushln(p);
507 }
80387638 508
36342e81 509 p->flags &= ~TERMP_NOSPACE;
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510 p->offset = 0;
511 p->rmargin = p->maxrmargin;
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512}
513
514
515static size_t
516a2height(const struct termp *p, const char *v)
517{
518 struct roffsu su;
519
36342e81 520
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521 assert(v);
522 if ( ! a2roffsu(v, &su, SCALE_VS))
36342e81 523 SCALE_VS_INIT(&su, atoi(v));
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524
525 return(term_vspan(p, &su));
526}
527
528
529static size_t
530a2width(const struct termp *p, const char *v)
531{
532 struct roffsu su;
533
534 assert(v);
535 if ( ! a2roffsu(v, &su, SCALE_MAX))
536 SCALE_HS_INIT(&su, term_strlen(p, v));
537
538 return(term_hspan(p, &su));
539}
540
541
542static size_t
543a2offs(const struct termp *p, const char *v)
544{
545 struct roffsu su;
546
547 if ('\0' == *v)
548 return(0);
549 else if (0 == strcmp(v, "left"))
550 return(0);
551 else if (0 == strcmp(v, "indent"))
36342e81 552 return(term_len(p, p->defindent + 1));
80387638 553 else if (0 == strcmp(v, "indent-two"))
36342e81 554 return(term_len(p, (p->defindent + 1) * 2));
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555 else if ( ! a2roffsu(v, &su, SCALE_MAX))
556 SCALE_HS_INIT(&su, term_strlen(p, v));
557
558 return(term_hspan(p, &su));
559}
560
561
562/*
563 * Determine how much space to print out before block elements of `It'
564 * (and thus `Bl') and `Bd'. And then go ahead and print that space,
565 * too.
566 */
567static void
568print_bvspace(struct termp *p,
569 const struct mdoc_node *bl,
570 const struct mdoc_node *n)
571{
572 const struct mdoc_node *nn;
573
36342e81
SW
574 assert(n);
575
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576 term_newln(p);
577
578 if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
579 return;
580 if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
581 return;
582
583 /* Do not vspace directly after Ss/Sh. */
584
585 for (nn = n; nn; nn = nn->parent) {
586 if (MDOC_BLOCK != nn->type)
587 continue;
588 if (MDOC_Ss == nn->tok)
589 return;
590 if (MDOC_Sh == nn->tok)
591 return;
592 if (NULL == nn->prev)
593 continue;
594 break;
595 }
596
597 /* A `-column' does not assert vspace within the list. */
598
599 if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
600 if (n->prev && MDOC_It == n->prev->tok)
601 return;
602
603 /* A `-diag' without body does not vspace. */
604
605 if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
606 if (n->prev && MDOC_It == n->prev->tok) {
607 assert(n->prev->body);
608 if (NULL == n->prev->body->child)
609 return;
610 }
611
612 term_vspace(p);
613}
614
615
616/* ARGSUSED */
617static int
618termp_it_pre(DECL_ARGS)
619{
620 const struct mdoc_node *bl, *nn;
621 char buf[7];
622 int i;
623 size_t width, offset, ncols, dcol;
624 enum mdoc_list type;
625
626 if (MDOC_BLOCK == n->type) {
627 print_bvspace(p, n->parent->parent, n);
628 return(1);
629 }
630
631 bl = n->parent->parent->parent;
632 type = bl->norm->Bl.type;
633
634 /*
635 * First calculate width and offset. This is pretty easy unless
636 * we're a -column list, in which case all prior columns must
637 * be accounted for.
638 */
639
640 width = offset = 0;
641
642 if (bl->norm->Bl.offs)
643 offset = a2offs(p, bl->norm->Bl.offs);
644
645 switch (type) {
646 case (LIST_column):
647 if (MDOC_HEAD == n->type)
648 break;
649
650 /*
651 * Imitate groff's column handling:
652 * - For each earlier column, add its width.
653 * - For less than 5 columns, add four more blanks per
654 * column.
655 * - For exactly 5 columns, add three more blank per
656 * column.
657 * - For more than 5 columns, add only one column.
658 */
659 ncols = bl->norm->Bl.ncols;
660
661 /* LINTED */
662 dcol = ncols < 5 ? term_len(p, 4) :
663 ncols == 5 ? term_len(p, 3) : term_len(p, 1);
664
665 /*
666 * Calculate the offset by applying all prior MDOC_BODY,
667 * so we stop at the MDOC_HEAD (NULL == nn->prev).
668 */
669
670 for (i = 0, nn = n->prev;
671 nn->prev && i < (int)ncols;
672 nn = nn->prev, i++)
673 offset += dcol + a2width
674 (p, bl->norm->Bl.cols[i]);
675
676 /*
677 * When exceeding the declared number of columns, leave
678 * the remaining widths at 0. This will later be
679 * adjusted to the default width of 10, or, for the last
680 * column, stretched to the right margin.
681 */
682 if (i >= (int)ncols)
683 break;
684
685 /*
686 * Use the declared column widths, extended as explained
687 * in the preceding paragraph.
688 */
689 width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
690 break;
691 default:
692 if (NULL == bl->norm->Bl.width)
693 break;
694
695 /*
696 * Note: buffer the width by 2, which is groff's magic
697 * number for buffering single arguments. See the above
698 * handling for column for how this changes.
699 */
700 assert(bl->norm->Bl.width);
701 width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
702 break;
703 }
704
705 /*
706 * List-type can override the width in the case of fixed-head
707 * values (bullet, dash/hyphen, enum). Tags need a non-zero
708 * offset.
709 */
710
711 switch (type) {
712 case (LIST_bullet):
713 /* FALLTHROUGH */
714 case (LIST_dash):
715 /* FALLTHROUGH */
716 case (LIST_hyphen):
f88b6c16 717 /* FALLTHROUGH */
80387638 718 case (LIST_enum):
f88b6c16
FF
719 if (width < term_len(p, 2))
720 width = term_len(p, 2);
80387638
SW
721 break;
722 case (LIST_hang):
723 if (0 == width)
724 width = term_len(p, 8);
725 break;
726 case (LIST_column):
727 /* FALLTHROUGH */
728 case (LIST_tag):
729 if (0 == width)
730 width = term_len(p, 10);
731 break;
732 default:
733 break;
734 }
735
736 /*
737 * Whitespace control. Inset bodies need an initial space,
738 * while diagonal bodies need two.
739 */
740
741 p->flags |= TERMP_NOSPACE;
742
743 switch (type) {
744 case (LIST_diag):
745 if (MDOC_BODY == n->type)
746 term_word(p, "\\ \\ ");
747 break;
748 case (LIST_inset):
749 if (MDOC_BODY == n->type)
750 term_word(p, "\\ ");
751 break;
752 default:
753 break;
754 }
755
756 p->flags |= TERMP_NOSPACE;
757
758 switch (type) {
759 case (LIST_diag):
760 if (MDOC_HEAD == n->type)
761 term_fontpush(p, TERMFONT_BOLD);
762 break;
763 default:
764 break;
765 }
766
767 /*
768 * Pad and break control. This is the tricky part. These flags
769 * are documented in term_flushln() in term.c. Note that we're
770 * going to unset all of these flags in termp_it_post() when we
771 * exit.
772 */
773
774 switch (type) {
f88b6c16
FF
775 case (LIST_enum):
776 /*
777 * Weird special case.
778 * Very narrow enum lists actually hang.
779 */
780 if (width == term_len(p, 2))
781 p->flags |= TERMP_HANG;
782 /* FALLTHROUGH */
80387638
SW
783 case (LIST_bullet):
784 /* FALLTHROUGH */
785 case (LIST_dash):
786 /* FALLTHROUGH */
80387638 787 case (LIST_hyphen):
0f63dfd0
FF
788 if (MDOC_HEAD != n->type)
789 break;
790 p->flags |= TERMP_NOBREAK;
791 p->trailspace = 1;
80387638
SW
792 break;
793 case (LIST_hang):
0f63dfd0 794 if (MDOC_HEAD != n->type)
80387638
SW
795 break;
796
797 /*
798 * This is ugly. If `-hang' is specified and the body
799 * is a `Bl' or `Bd', then we want basically to nullify
800 * the "overstep" effect in term_flushln() and treat
801 * this as a `-ohang' list instead.
802 */
803 if (n->next->child &&
804 (MDOC_Bl == n->next->child->tok ||
36342e81 805 MDOC_Bd == n->next->child->tok))
0f63dfd0
FF
806 break;
807
808 p->flags |= TERMP_NOBREAK | TERMP_HANG;
809 p->trailspace = 1;
80387638
SW
810 break;
811 case (LIST_tag):
80387638
SW
812 if (MDOC_HEAD != n->type)
813 break;
0f63dfd0
FF
814
815 p->flags |= TERMP_NOBREAK;
816 p->trailspace = 2;
817
80387638
SW
818 if (NULL == n->next || NULL == n->next->child)
819 p->flags |= TERMP_DANGLE;
820 break;
821 case (LIST_column):
822 if (MDOC_HEAD == n->type)
823 break;
824
0f63dfd0 825 if (NULL == n->next) {
80387638 826 p->flags &= ~TERMP_NOBREAK;
0f63dfd0
FF
827 p->trailspace = 0;
828 } else {
80387638 829 p->flags |= TERMP_NOBREAK;
0f63dfd0
FF
830 p->trailspace = 1;
831 }
80387638 832
80387638
SW
833 break;
834 case (LIST_diag):
0f63dfd0
FF
835 if (MDOC_HEAD != n->type)
836 break;
837 p->flags |= TERMP_NOBREAK;
838 p->trailspace = 1;
80387638
SW
839 break;
840 default:
841 break;
842 }
843
844 /*
845 * Margin control. Set-head-width lists have their right
846 * margins shortened. The body for these lists has the offset
847 * necessarily lengthened. Everybody gets the offset.
848 */
849
850 p->offset += offset;
851
852 switch (type) {
853 case (LIST_hang):
854 /*
855 * Same stipulation as above, regarding `-hang'. We
856 * don't want to recalculate rmargin and offsets when
857 * using `Bd' or `Bl' within `-hang' overstep lists.
858 */
859 if (MDOC_HEAD == n->type && n->next->child &&
860 (MDOC_Bl == n->next->child->tok ||
861 MDOC_Bd == n->next->child->tok))
862 break;
863 /* FALLTHROUGH */
864 case (LIST_bullet):
865 /* FALLTHROUGH */
866 case (LIST_dash):
867 /* FALLTHROUGH */
868 case (LIST_enum):
869 /* FALLTHROUGH */
870 case (LIST_hyphen):
871 /* FALLTHROUGH */
872 case (LIST_tag):
873 assert(width);
874 if (MDOC_HEAD == n->type)
875 p->rmargin = p->offset + width;
876 else
877 p->offset += width;
878 break;
879 case (LIST_column):
880 assert(width);
881 p->rmargin = p->offset + width;
882 /*
883 * XXX - this behaviour is not documented: the
884 * right-most column is filled to the right margin.
885 */
886 if (MDOC_HEAD == n->type)
887 break;
888 if (NULL == n->next && p->rmargin < p->maxrmargin)
889 p->rmargin = p->maxrmargin;
890 break;
891 default:
892 break;
893 }
894
895 /*
896 * The dash, hyphen, bullet and enum lists all have a special
897 * HEAD character (temporarily bold, in some cases).
898 */
899
900 if (MDOC_HEAD == n->type)
901 switch (type) {
902 case (LIST_bullet):
903 term_fontpush(p, TERMFONT_BOLD);
904 term_word(p, "\\[bu]");
905 term_fontpop(p);
906 break;
907 case (LIST_dash):
908 /* FALLTHROUGH */
909 case (LIST_hyphen):
910 term_fontpush(p, TERMFONT_BOLD);
911 term_word(p, "\\(hy");
912 term_fontpop(p);
913 break;
914 case (LIST_enum):
915 (pair->ppair->ppair->count)++;
916 snprintf(buf, sizeof(buf), "%d.",
917 pair->ppair->ppair->count);
918 term_word(p, buf);
919 break;
920 default:
921 break;
922 }
923
924 /*
925 * If we're not going to process our children, indicate so here.
926 */
927
928 switch (type) {
929 case (LIST_bullet):
930 /* FALLTHROUGH */
931 case (LIST_item):
932 /* FALLTHROUGH */
933 case (LIST_dash):
934 /* FALLTHROUGH */
935 case (LIST_hyphen):
936 /* FALLTHROUGH */
937 case (LIST_enum):
938 if (MDOC_HEAD == n->type)
939 return(0);
940 break;
941 case (LIST_column):
942 if (MDOC_HEAD == n->type)
943 return(0);
944 break;
945 default:
946 break;
947 }
948
949 return(1);
950}
951
952
953/* ARGSUSED */
954static void
955termp_it_post(DECL_ARGS)
956{
957 enum mdoc_list type;
958
959 if (MDOC_BLOCK == n->type)
960 return;
961
962 type = n->parent->parent->parent->norm->Bl.type;
963
964 switch (type) {
965 case (LIST_item):
966 /* FALLTHROUGH */
967 case (LIST_diag):
968 /* FALLTHROUGH */
969 case (LIST_inset):
970 if (MDOC_BODY == n->type)
971 term_newln(p);
972 break;
973 case (LIST_column):
974 if (MDOC_BODY == n->type)
975 term_flushln(p);
976 break;
977 default:
978 term_newln(p);
979 break;
980 }
981
982 /*
983 * Now that our output is flushed, we can reset our tags. Since
984 * only `It' sets these flags, we're free to assume that nobody
985 * has munged them in the meanwhile.
986 */
987
988 p->flags &= ~TERMP_DANGLE;
989 p->flags &= ~TERMP_NOBREAK;
80387638 990 p->flags &= ~TERMP_HANG;
0f63dfd0 991 p->trailspace = 0;
80387638
SW
992}
993
994
995/* ARGSUSED */
996static int
997termp_nm_pre(DECL_ARGS)
998{
999
9f00ceb7
FF
1000 if (MDOC_BLOCK == n->type) {
1001 p->flags |= TERMP_PREKEEP;
80387638 1002 return(1);
9f00ceb7 1003 }
80387638
SW
1004
1005 if (MDOC_BODY == n->type) {
1006 if (NULL == n->child)
1007 return(0);
36342e81 1008 p->flags |= TERMP_NOSPACE;
80387638 1009 p->offset += term_len(p, 1) +
f88b6c16
FF
1010 (NULL == n->prev->child ?
1011 term_strlen(p, meta->name) :
80387638 1012 MDOC_TEXT == n->prev->child->type ?
f88b6c16 1013 term_strlen(p, n->prev->child->string) :
80387638
SW
1014 term_len(p, 5));
1015 return(1);
1016 }
1017
f88b6c16 1018 if (NULL == n->child && NULL == meta->name)
80387638
SW
1019 return(0);
1020
1021 if (MDOC_HEAD == n->type)
1022 synopsis_pre(p, n->parent);
1023
1024 if (MDOC_HEAD == n->type && n->next->child) {
1025 p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
0f63dfd0 1026 p->trailspace = 1;
80387638
SW
1027 p->rmargin = p->offset + term_len(p, 1);
1028 if (NULL == n->child) {
f88b6c16 1029 p->rmargin += term_strlen(p, meta->name);
80387638
SW
1030 } else if (MDOC_TEXT == n->child->type) {
1031 p->rmargin += term_strlen(p, n->child->string);
1032 if (n->child->next)
1033 p->flags |= TERMP_HANG;
1034 } else {
1035 p->rmargin += term_len(p, 5);
1036 p->flags |= TERMP_HANG;
1037 }
1038 }
1039
1040 term_fontpush(p, TERMFONT_BOLD);
1041 if (NULL == n->child)
f88b6c16 1042 term_word(p, meta->name);
80387638
SW
1043 return(1);
1044}
1045
1046
1047/* ARGSUSED */
1048static void
1049termp_nm_post(DECL_ARGS)
1050{
1051
9f00ceb7
FF
1052 if (MDOC_BLOCK == n->type) {
1053 p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1054 } else if (MDOC_HEAD == n->type && n->next->child) {
80387638
SW
1055 term_flushln(p);
1056 p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
0f63dfd0 1057 p->trailspace = 0;
36342e81 1058 } else if (MDOC_BODY == n->type && n->child)
80387638 1059 term_flushln(p);
80387638
SW
1060}
1061
1062
1063/* ARGSUSED */
1064static int
1065termp_fl_pre(DECL_ARGS)
1066{
1067
1068 term_fontpush(p, TERMFONT_BOLD);
1069 term_word(p, "\\-");
1070
1071 if (n->child)
1072 p->flags |= TERMP_NOSPACE;
1073 else if (n->next && n->next->line == n->line)
1074 p->flags |= TERMP_NOSPACE;
1075
1076 return(1);
1077}
1078
1079
1080/* ARGSUSED */
1081static int
1082termp__a_pre(DECL_ARGS)
1083{
1084
1085 if (n->prev && MDOC__A == n->prev->tok)
1086 if (NULL == n->next || MDOC__A != n->next->tok)
1087 term_word(p, "and");
1088
1089 return(1);
1090}
1091
1092
1093/* ARGSUSED */
1094static int
1095termp_an_pre(DECL_ARGS)
1096{
1097
1098 if (NULL == n->child)
1099 return(1);
1100
1101 /*
1102 * If not in the AUTHORS section, `An -split' will cause
1103 * newlines to occur before the author name. If in the AUTHORS
1104 * section, by default, the first `An' invocation is nosplit,
1105 * then all subsequent ones, regardless of whether interspersed
1106 * with other macros/text, are split. -split, in this case,
1107 * will override the condition of the implied first -nosplit.
1108 */
1109
1110 if (n->sec == SEC_AUTHORS) {
1111 if ( ! (TERMP_ANPREC & p->flags)) {
1112 if (TERMP_SPLIT & p->flags)
1113 term_newln(p);
1114 return(1);
1115 }
1116 if (TERMP_NOSPLIT & p->flags)
1117 return(1);
1118 term_newln(p);
1119 return(1);
1120 }
1121
1122 if (TERMP_SPLIT & p->flags)
1123 term_newln(p);
1124
1125 return(1);
1126}
1127
1128
1129/* ARGSUSED */
1130static void
1131termp_an_post(DECL_ARGS)
1132{
1133
1134 if (n->child) {
1135 if (SEC_AUTHORS == n->sec)
1136 p->flags |= TERMP_ANPREC;
1137 return;
1138 }
1139
1140 if (AUTH_split == n->norm->An.auth) {
1141 p->flags &= ~TERMP_NOSPLIT;
1142 p->flags |= TERMP_SPLIT;
1143 } else if (AUTH_nosplit == n->norm->An.auth) {
1144 p->flags &= ~TERMP_SPLIT;
1145 p->flags |= TERMP_NOSPLIT;
1146 }
1147
1148}
1149
1150
1151/* ARGSUSED */
1152static int
1153termp_ns_pre(DECL_ARGS)
1154{
1155
60e1e752
SW
1156 if ( ! (MDOC_LINE & n->flags))
1157 p->flags |= TERMP_NOSPACE;
80387638
SW
1158 return(1);
1159}
1160
1161
1162/* ARGSUSED */
1163static int
1164termp_rs_pre(DECL_ARGS)
1165{
1166
1167 if (SEC_SEE_ALSO != n->sec)
1168 return(1);
1169 if (MDOC_BLOCK == n->type && n->prev)
1170 term_vspace(p);
1171 return(1);
1172}
1173
1174
1175/* ARGSUSED */
1176static int
1177termp_rv_pre(DECL_ARGS)
1178{
60e1e752 1179 int nchild;
80387638
SW
1180
1181 term_newln(p);
1182 term_word(p, "The");
1183
60e1e752
SW
1184 nchild = n->nchild;
1185 for (n = n->child; n; n = n->next) {
80387638 1186 term_fontpush(p, TERMFONT_BOLD);
60e1e752 1187 term_word(p, n->string);
80387638 1188 term_fontpop(p);
60e1e752 1189
80387638 1190 p->flags |= TERMP_NOSPACE;
60e1e752
SW
1191 term_word(p, "()");
1192
1193 if (nchild > 2 && n->next) {
1194 p->flags |= TERMP_NOSPACE;
1195 term_word(p, ",");
1196 }
1197
1198 if (n->next && NULL == n->next->next)
1199 term_word(p, "and");
80387638
SW
1200 }
1201
60e1e752 1202 if (nchild > 1)
80387638
SW
1203 term_word(p, "functions return");
1204 else
1205 term_word(p, "function returns");
1206
1207 term_word(p, "the value 0 if successful; otherwise the value "
1208 "-1 is returned and the global variable");
1209
1210 term_fontpush(p, TERMFONT_UNDER);
1211 term_word(p, "errno");
1212 term_fontpop(p);
1213
1214 term_word(p, "is set to indicate the error.");
1215 p->flags |= TERMP_SENTENCE;
1216
1217 return(0);
1218}
1219
1220
1221/* ARGSUSED */
1222static int
1223termp_ex_pre(DECL_ARGS)
1224{
60e1e752 1225 int nchild;
80387638 1226
60e1e752 1227 term_newln(p);
80387638
SW
1228 term_word(p, "The");
1229
60e1e752
SW
1230 nchild = n->nchild;
1231 for (n = n->child; n; n = n->next) {
80387638 1232 term_fontpush(p, TERMFONT_BOLD);
60e1e752 1233 term_word(p, n->string);
80387638 1234 term_fontpop(p);
60e1e752
SW
1235
1236 if (nchild > 2 && n->next) {
1237 p->flags |= TERMP_NOSPACE;
80387638 1238 term_word(p, ",");
60e1e752
SW
1239 }
1240
1241 if (n->next && NULL == n->next->next)
1242 term_word(p, "and");
80387638
SW
1243 }
1244
60e1e752 1245 if (nchild > 1)
80387638
SW
1246 term_word(p, "utilities exit");
1247 else
1248 term_word(p, "utility exits");
1249
1250 term_word(p, "0 on success, and >0 if an error occurs.");
80387638 1251
60e1e752 1252 p->flags |= TERMP_SENTENCE;
80387638
SW
1253 return(0);
1254}
1255
1256
1257/* ARGSUSED */
1258static int
1259termp_nd_pre(DECL_ARGS)
1260{
1261
1262 if (MDOC_BODY != n->type)
1263 return(1);
1264
1265#if defined(__OpenBSD__) || defined(__linux__)
1266 term_word(p, "\\(en");
1267#else
1268 term_word(p, "\\(em");
1269#endif
1270 return(1);
1271}
1272
1273
1274/* ARGSUSED */
1275static int
1276termp_bl_pre(DECL_ARGS)
1277{
1278
1279 return(MDOC_HEAD != n->type);
1280}
1281
1282
1283/* ARGSUSED */
1284static void
1285termp_bl_post(DECL_ARGS)
1286{
1287
1288 if (MDOC_BLOCK == n->type)
1289 term_newln(p);
1290}
1291
80387638
SW
1292/* ARGSUSED */
1293static int
1294termp_xr_pre(DECL_ARGS)
1295{
80387638 1296
60e1e752 1297 if (NULL == (n = n->child))
80387638
SW
1298 return(0);
1299
60e1e752
SW
1300 assert(MDOC_TEXT == n->type);
1301 term_word(p, n->string);
80387638 1302
60e1e752 1303 if (NULL == (n = n->next))
80387638 1304 return(0);
60e1e752 1305
80387638
SW
1306 p->flags |= TERMP_NOSPACE;
1307 term_word(p, "(");
60e1e752
SW
1308 p->flags |= TERMP_NOSPACE;
1309
1310 assert(MDOC_TEXT == n->type);
1311 term_word(p, n->string);
1312
1313 p->flags |= TERMP_NOSPACE;
80387638
SW
1314 term_word(p, ")");
1315
1316 return(0);
1317}
1318
80387638
SW
1319/*
1320 * This decides how to assert whitespace before any of the SYNOPSIS set
1321 * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1322 * macro combos).
1323 */
1324static void
1325synopsis_pre(struct termp *p, const struct mdoc_node *n)
1326{
1327 /*
1328 * Obviously, if we're not in a SYNOPSIS or no prior macros
1329 * exist, do nothing.
1330 */
1331 if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1332 return;
1333
1334 /*
1335 * If we're the second in a pair of like elements, emit our
1336 * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1337 * case we soldier on.
1338 */
1339 if (n->prev->tok == n->tok &&
1340 MDOC_Ft != n->tok &&
1341 MDOC_Fo != n->tok &&
1342 MDOC_Fn != n->tok) {
1343 term_newln(p);
1344 return;
1345 }
1346
1347 /*
1348 * If we're one of the SYNOPSIS set and non-like pair-wise after
1349 * another (or Fn/Fo, which we've let slip through) then assert
1350 * vertical space, else only newline and move on.
1351 */
1352 switch (n->prev->tok) {
1353 case (MDOC_Fd):
1354 /* FALLTHROUGH */
1355 case (MDOC_Fn):
1356 /* FALLTHROUGH */
1357 case (MDOC_Fo):
1358 /* FALLTHROUGH */
1359 case (MDOC_In):
1360 /* FALLTHROUGH */
1361 case (MDOC_Vt):
1362 term_vspace(p);
1363 break;
1364 case (MDOC_Ft):
1365 if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1366 term_vspace(p);
1367 break;
1368 }
1369 /* FALLTHROUGH */
1370 default:
1371 term_newln(p);
1372 break;
1373 }
1374}
1375
1376
1377static int
1378termp_vt_pre(DECL_ARGS)
1379{
1380
1381 if (MDOC_ELEM == n->type) {
1382 synopsis_pre(p, n);
f88b6c16 1383 return(termp_under_pre(p, pair, meta, n));
80387638
SW
1384 } else if (MDOC_BLOCK == n->type) {
1385 synopsis_pre(p, n);
1386 return(1);
1387 } else if (MDOC_HEAD == n->type)
1388 return(0);
1389
f88b6c16 1390 return(termp_under_pre(p, pair, meta, n));
80387638
SW
1391}
1392
1393
1394/* ARGSUSED */
1395static int
1396termp_bold_pre(DECL_ARGS)
1397{
1398
1399 term_fontpush(p, TERMFONT_BOLD);
1400 return(1);
1401}
1402
1403
1404/* ARGSUSED */
1405static int
1406termp_fd_pre(DECL_ARGS)
1407{
1408
1409 synopsis_pre(p, n);
f88b6c16
FF
1410 return(termp_bold_pre(p, pair, meta, n));
1411}
1412
1413
1414/* ARGSUSED */
1415static void
1416termp_fd_post(DECL_ARGS)
1417{
1418
1419 term_newln(p);
80387638
SW
1420}
1421
1422
1423/* ARGSUSED */
1424static int
1425termp_sh_pre(DECL_ARGS)
1426{
1427
1428 /* No vspace between consecutive `Sh' calls. */
1429
1430 switch (n->type) {
1431 case (MDOC_BLOCK):
1432 if (n->prev && MDOC_Sh == n->prev->tok)
1433 if (NULL == n->prev->body->child)
1434 break;
1435 term_vspace(p);
1436 break;
1437 case (MDOC_HEAD):
1438 term_fontpush(p, TERMFONT_BOLD);
1439 break;
1440 case (MDOC_BODY):
36342e81 1441 p->offset = term_len(p, p->defindent);
f88b6c16
FF
1442 if (SEC_AUTHORS == n->sec)
1443 p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
80387638
SW
1444 break;
1445 default:
1446 break;
1447 }
1448 return(1);
1449}
1450
1451
1452/* ARGSUSED */
1453static void
1454termp_sh_post(DECL_ARGS)
1455{
1456
1457 switch (n->type) {
1458 case (MDOC_HEAD):
1459 term_newln(p);
1460 break;
1461 case (MDOC_BODY):
1462 term_newln(p);
1463 p->offset = 0;
1464 break;
1465 default:
1466 break;
1467 }
1468}
1469
1470
1471/* ARGSUSED */
1472static int
1473termp_bt_pre(DECL_ARGS)
1474{
1475
1476 term_word(p, "is currently in beta test.");
1477 p->flags |= TERMP_SENTENCE;
1478 return(0);
1479}
1480
1481
1482/* ARGSUSED */
1483static void
1484termp_lb_post(DECL_ARGS)
1485{
1486
1487 if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1488 term_newln(p);
1489}
1490
1491
1492/* ARGSUSED */
1493static int
1494termp_ud_pre(DECL_ARGS)
1495{
1496
1497 term_word(p, "currently under development.");
1498 p->flags |= TERMP_SENTENCE;
1499 return(0);
1500}
1501
1502
1503/* ARGSUSED */
1504static int
1505termp_d1_pre(DECL_ARGS)
1506{
1507
1508 if (MDOC_BLOCK != n->type)
1509 return(1);
1510 term_newln(p);
36342e81 1511 p->offset += term_len(p, p->defindent + 1);
80387638
SW
1512 return(1);
1513}
1514
1515
80387638
SW
1516/* ARGSUSED */
1517static int
1518termp_ft_pre(DECL_ARGS)
1519{
1520
1521 /* NB: MDOC_LINE does not effect this! */
1522 synopsis_pre(p, n);
1523 term_fontpush(p, TERMFONT_UNDER);
1524 return(1);
1525}
1526
1527
1528/* ARGSUSED */
1529static int
1530termp_fn_pre(DECL_ARGS)
1531{
0f63dfd0 1532 size_t width, rmargin = 0;
60e1e752
SW
1533 int pretty;
1534
1535 pretty = MDOC_SYNPRETTY & n->flags;
80387638
SW
1536
1537 synopsis_pre(p, n);
1538
60e1e752
SW
1539 if (NULL == (n = n->child))
1540 return(0);
1541
0f63dfd0
FF
1542 if (pretty) {
1543 width = term_len(p, 4);
1544 rmargin = p->rmargin;
1545 p->rmargin = p->offset + width;
1546 p->flags |= TERMP_NOBREAK | TERMP_HANG;
1547 }
1548
60e1e752 1549 assert(MDOC_TEXT == n->type);
80387638 1550 term_fontpush(p, TERMFONT_BOLD);
60e1e752 1551 term_word(p, n->string);
80387638
SW
1552 term_fontpop(p);
1553
0f63dfd0
FF
1554 if (pretty) {
1555 term_flushln(p);
1556 p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
1557 p->offset = p->rmargin;
1558 p->rmargin = rmargin;
1559 }
1560
80387638
SW
1561 p->flags |= TERMP_NOSPACE;
1562 term_word(p, "(");
60e1e752 1563 p->flags |= TERMP_NOSPACE;
80387638 1564
60e1e752
SW
1565 for (n = n->next; n; n = n->next) {
1566 assert(MDOC_TEXT == n->type);
80387638 1567 term_fontpush(p, TERMFONT_UNDER);
9f00ceb7
FF
1568 if (pretty)
1569 p->flags |= TERMP_NBRWORD;
60e1e752 1570 term_word(p, n->string);
80387638
SW
1571 term_fontpop(p);
1572
60e1e752
SW
1573 if (n->next) {
1574 p->flags |= TERMP_NOSPACE;
80387638 1575 term_word(p, ",");
60e1e752 1576 }
80387638
SW
1577 }
1578
60e1e752 1579 p->flags |= TERMP_NOSPACE;
80387638
SW
1580 term_word(p, ")");
1581
60e1e752
SW
1582 if (pretty) {
1583 p->flags |= TERMP_NOSPACE;
80387638 1584 term_word(p, ";");
0f63dfd0 1585 term_flushln(p);
60e1e752 1586 }
80387638
SW
1587
1588 return(0);
1589}
1590
1591
1592/* ARGSUSED */
1593static int
1594termp_fa_pre(DECL_ARGS)
1595{
1596 const struct mdoc_node *nn;
1597
1598 if (n->parent->tok != MDOC_Fo) {
1599 term_fontpush(p, TERMFONT_UNDER);
1600 return(1);
1601 }
1602
1603 for (nn = n->child; nn; nn = nn->next) {
1604 term_fontpush(p, TERMFONT_UNDER);
74b26fd3
FF
1605 if (MDOC_SYNPRETTY & n->flags)
1606 p->flags |= TERMP_NBRWORD;
80387638
SW
1607 term_word(p, nn->string);
1608 term_fontpop(p);
1609
74b26fd3 1610 if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
60e1e752 1611 p->flags |= TERMP_NOSPACE;
80387638 1612 term_word(p, ",");
60e1e752 1613 }
80387638
SW
1614 }
1615
80387638
SW
1616 return(0);
1617}
1618
1619
1620/* ARGSUSED */
1621static int
1622termp_bd_pre(DECL_ARGS)
1623{
1624 size_t tabwidth, rm, rmax;
f88b6c16 1625 struct mdoc_node *nn;
80387638
SW
1626
1627 if (MDOC_BLOCK == n->type) {
1628 print_bvspace(p, n, n);
1629 return(1);
1630 } else if (MDOC_HEAD == n->type)
1631 return(0);
1632
1633 if (n->norm->Bd.offs)
1634 p->offset += a2offs(p, n->norm->Bd.offs);
1635
1636 /*
1637 * If -ragged or -filled are specified, the block does nothing
1638 * but change the indentation. If -unfilled or -literal are
1639 * specified, text is printed exactly as entered in the display:
1640 * for macro lines, a newline is appended to the line. Blank
1641 * lines are allowed.
1642 */
1643
1644 if (DISP_literal != n->norm->Bd.type &&
1645 DISP_unfilled != n->norm->Bd.type)
1646 return(1);
1647
1648 tabwidth = p->tabwidth;
1649 if (DISP_literal == n->norm->Bd.type)
1650 p->tabwidth = term_len(p, 8);
1651
1652 rm = p->rmargin;
1653 rmax = p->maxrmargin;
1654 p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1655
1656 for (nn = n->child; nn; nn = nn->next) {
f88b6c16 1657 print_mdoc_node(p, pair, meta, nn);
80387638
SW
1658 /*
1659 * If the printed node flushes its own line, then we
1660 * needn't do it here as well. This is hacky, but the
1661 * notion of selective eoln whitespace is pretty dumb
1662 * anyway, so don't sweat it.
1663 */
1664 switch (nn->tok) {
1665 case (MDOC_Sm):
1666 /* FALLTHROUGH */
1667 case (MDOC_br):
1668 /* FALLTHROUGH */
1669 case (MDOC_sp):
1670 /* FALLTHROUGH */
1671 case (MDOC_Bl):
1672 /* FALLTHROUGH */
1673 case (MDOC_D1):
1674 /* FALLTHROUGH */
1675 case (MDOC_Dl):
1676 /* FALLTHROUGH */
1677 case (MDOC_Lp):
1678 /* FALLTHROUGH */
1679 case (MDOC_Pp):
1680 continue;
1681 default:
1682 break;
1683 }
1684 if (nn->next && nn->next->line == nn->line)
1685 continue;
1686 term_flushln(p);
1687 p->flags |= TERMP_NOSPACE;
1688 }
1689
1690 p->tabwidth = tabwidth;
1691 p->rmargin = rm;
1692 p->maxrmargin = rmax;
1693 return(0);
1694}
1695
1696
1697/* ARGSUSED */
1698static void
1699termp_bd_post(DECL_ARGS)
1700{
1701 size_t rm, rmax;
1702
1703 if (MDOC_BODY != n->type)
1704 return;
1705
1706 rm = p->rmargin;
1707 rmax = p->maxrmargin;
1708
1709 if (DISP_literal == n->norm->Bd.type ||
1710 DISP_unfilled == n->norm->Bd.type)
1711 p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1712
1713 p->flags |= TERMP_NOSPACE;
1714 term_newln(p);
1715
1716 p->rmargin = rm;
1717 p->maxrmargin = rmax;
1718}
1719
1720
1721/* ARGSUSED */
60e1e752
SW
1722static int
1723termp_bx_pre(DECL_ARGS)
80387638
SW
1724{
1725
60e1e752
SW
1726 if (NULL != (n = n->child)) {
1727 term_word(p, n->string);
80387638 1728 p->flags |= TERMP_NOSPACE;
60e1e752
SW
1729 term_word(p, "BSD");
1730 } else {
1731 term_word(p, "BSD");
1732 return(0);
1733 }
1734
1735 if (NULL != (n = n->next)) {
1736 p->flags |= TERMP_NOSPACE;
1737 term_word(p, "-");
1738 p->flags |= TERMP_NOSPACE;
1739 term_word(p, n->string);
1740 }
1741
1742 return(0);
80387638
SW
1743}
1744
1745
1746/* ARGSUSED */
1747static int
1748termp_xx_pre(DECL_ARGS)
1749{
1750 const char *pp;
60e1e752 1751 int flags;
80387638
SW
1752
1753 pp = NULL;
1754 switch (n->tok) {
1755 case (MDOC_Bsx):
1756 pp = "BSD/OS";
1757 break;
1758 case (MDOC_Dx):
1759 pp = "DragonFly";
1760 break;
1761 case (MDOC_Fx):
1762 pp = "FreeBSD";
1763 break;
1764 case (MDOC_Nx):
1765 pp = "NetBSD";
1766 break;
1767 case (MDOC_Ox):
1768 pp = "OpenBSD";
1769 break;
1770 case (MDOC_Ux):
1771 pp = "UNIX";
1772 break;
1773 default:
f88b6c16
FF
1774 abort();
1775 /* NOTREACHED */
80387638
SW
1776 }
1777
80387638 1778 term_word(p, pp);
60e1e752
SW
1779 if (n->child) {
1780 flags = p->flags;
1781 p->flags |= TERMP_KEEP;
1782 term_word(p, n->child->string);
1783 p->flags = flags;
1784 }
1785 return(0);
80387638
SW
1786}
1787
1788
80387638
SW
1789/* ARGSUSED */
1790static void
1791termp_pf_post(DECL_ARGS)
1792{
1793
1794 p->flags |= TERMP_NOSPACE;
1795}
1796
1797
1798/* ARGSUSED */
1799static int
1800termp_ss_pre(DECL_ARGS)
1801{
1802
1803 switch (n->type) {
1804 case (MDOC_BLOCK):
1805 term_newln(p);
1806 if (n->prev)
1807 term_vspace(p);
1808 break;
1809 case (MDOC_HEAD):
1810 term_fontpush(p, TERMFONT_BOLD);
36342e81 1811 p->offset = term_len(p, (p->defindent+1)/2);
80387638
SW
1812 break;
1813 default:
1814 break;
1815 }
1816
1817 return(1);
1818}
1819
1820
1821/* ARGSUSED */
1822static void
1823termp_ss_post(DECL_ARGS)
1824{
1825
1826 if (MDOC_HEAD == n->type)
1827 term_newln(p);
1828}
1829
1830
1831/* ARGSUSED */
1832static int
1833termp_cd_pre(DECL_ARGS)
1834{
1835
1836 synopsis_pre(p, n);
1837 term_fontpush(p, TERMFONT_BOLD);
1838 return(1);
1839}
1840
1841
1842/* ARGSUSED */
1843static int
1844termp_in_pre(DECL_ARGS)
1845{
1846
1847 synopsis_pre(p, n);
1848
1849 if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1850 term_fontpush(p, TERMFONT_BOLD);
1851 term_word(p, "#include");
1852 term_word(p, "<");
1853 } else {
1854 term_word(p, "<");
1855 term_fontpush(p, TERMFONT_UNDER);
1856 }
1857
1858 p->flags |= TERMP_NOSPACE;
1859 return(1);
1860}
1861
1862
1863/* ARGSUSED */
1864static void
1865termp_in_post(DECL_ARGS)
1866{
1867
1868 if (MDOC_SYNPRETTY & n->flags)
1869 term_fontpush(p, TERMFONT_BOLD);
1870
1871 p->flags |= TERMP_NOSPACE;
1872 term_word(p, ">");
1873
1874 if (MDOC_SYNPRETTY & n->flags)
1875 term_fontpop(p);
1876}
1877
1878
1879/* ARGSUSED */
1880static int
1881termp_sp_pre(DECL_ARGS)
1882{
1883 size_t i, len;
1884
1885 switch (n->tok) {
1886 case (MDOC_sp):
1887 len = n->child ? a2height(p, n->child->string) : 1;
1888 break;
1889 case (MDOC_br):
1890 len = 0;
1891 break;
1892 default:
1893 len = 1;
1894 break;
1895 }
1896
1897 if (0 == len)
1898 term_newln(p);
1899 for (i = 0; i < len; i++)
1900 term_vspace(p);
1901
1902 return(0);
1903}
1904
1905
1906/* ARGSUSED */
1907static int
1908termp_quote_pre(DECL_ARGS)
1909{
1910
1911 if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1912 return(1);
1913
1914 switch (n->tok) {
1915 case (MDOC_Ao):
1916 /* FALLTHROUGH */
1917 case (MDOC_Aq):
1918 term_word(p, "<");
1919 break;
1920 case (MDOC_Bro):
1921 /* FALLTHROUGH */
1922 case (MDOC_Brq):
1923 term_word(p, "{");
1924 break;
1925 case (MDOC_Oo):
1926 /* FALLTHROUGH */
1927 case (MDOC_Op):
1928 /* FALLTHROUGH */
1929 case (MDOC_Bo):
1930 /* FALLTHROUGH */
1931 case (MDOC_Bq):
1932 term_word(p, "[");
1933 break;
1934 case (MDOC_Do):
1935 /* FALLTHROUGH */
1936 case (MDOC_Dq):
f88b6c16 1937 term_word(p, "\\(lq");
80387638 1938 break;
36342e81
SW
1939 case (MDOC_Eo):
1940 break;
80387638
SW
1941 case (MDOC_Po):
1942 /* FALLTHROUGH */
1943 case (MDOC_Pq):
1944 term_word(p, "(");
1945 break;
1946 case (MDOC__T):
1947 /* FALLTHROUGH */
1948 case (MDOC_Qo):
1949 /* FALLTHROUGH */
1950 case (MDOC_Qq):
1951 term_word(p, "\"");
1952 break;
1953 case (MDOC_Ql):
1954 /* FALLTHROUGH */
1955 case (MDOC_So):
1956 /* FALLTHROUGH */
1957 case (MDOC_Sq):
f88b6c16 1958 term_word(p, "\\(oq");
80387638
SW
1959 break;
1960 default:
1961 abort();
1962 /* NOTREACHED */
1963 }
1964
1965 p->flags |= TERMP_NOSPACE;
1966 return(1);
1967}
1968
1969
1970/* ARGSUSED */
1971static void
1972termp_quote_post(DECL_ARGS)
1973{
1974
1975 if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1976 return;
1977
1978 p->flags |= TERMP_NOSPACE;
1979
1980 switch (n->tok) {
1981 case (MDOC_Ao):
1982 /* FALLTHROUGH */
1983 case (MDOC_Aq):
1984 term_word(p, ">");
1985 break;
1986 case (MDOC_Bro):
1987 /* FALLTHROUGH */
1988 case (MDOC_Brq):
1989 term_word(p, "}");
1990 break;
1991 case (MDOC_Oo):
1992 /* FALLTHROUGH */
1993 case (MDOC_Op):
1994 /* FALLTHROUGH */
1995 case (MDOC_Bo):
1996 /* FALLTHROUGH */
1997 case (MDOC_Bq):
1998 term_word(p, "]");
1999 break;
2000 case (MDOC_Do):
2001 /* FALLTHROUGH */
2002 case (MDOC_Dq):
f88b6c16 2003 term_word(p, "\\(rq");
80387638 2004 break;
36342e81
SW
2005 case (MDOC_Eo):
2006 break;
80387638
SW
2007 case (MDOC_Po):
2008 /* FALLTHROUGH */
2009 case (MDOC_Pq):
2010 term_word(p, ")");
2011 break;
2012 case (MDOC__T):
2013 /* FALLTHROUGH */
2014 case (MDOC_Qo):
2015 /* FALLTHROUGH */
2016 case (MDOC_Qq):
2017 term_word(p, "\"");
2018 break;
2019 case (MDOC_Ql):
2020 /* FALLTHROUGH */
2021 case (MDOC_So):
2022 /* FALLTHROUGH */
2023 case (MDOC_Sq):
f88b6c16 2024 term_word(p, "\\(cq");
80387638
SW
2025 break;
2026 default:
2027 abort();
2028 /* NOTREACHED */
2029 }
2030}
2031
2032
2033/* ARGSUSED */
2034static int
2035termp_fo_pre(DECL_ARGS)
2036{
74b26fd3
FF
2037 size_t width, rmargin = 0;
2038 int pretty;
2039
2040 pretty = MDOC_SYNPRETTY & n->flags;
80387638
SW
2041
2042 if (MDOC_BLOCK == n->type) {
2043 synopsis_pre(p, n);
2044 return(1);
2045 } else if (MDOC_BODY == n->type) {
74b26fd3
FF
2046 if (pretty) {
2047 width = term_len(p, 4);
2048 rmargin = p->rmargin;
2049 p->rmargin = p->offset + width;
2050 p->flags |= TERMP_NOBREAK | TERMP_HANG;
2051 }
80387638
SW
2052 p->flags |= TERMP_NOSPACE;
2053 term_word(p, "(");
60e1e752 2054 p->flags |= TERMP_NOSPACE;
74b26fd3
FF
2055 if (pretty) {
2056 term_flushln(p);
2057 p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
2058 p->offset = p->rmargin;
2059 p->rmargin = rmargin;
2060 }
80387638 2061 return(1);
74b26fd3 2062 }
80387638
SW
2063
2064 if (NULL == n->child)
2065 return(0);
2066
2067 /* XXX: we drop non-initial arguments as per groff. */
2068
2069 assert(n->child->string);
2070 term_fontpush(p, TERMFONT_BOLD);
2071 term_word(p, n->child->string);
2072 return(0);
2073}
2074
2075
2076/* ARGSUSED */
2077static void
2078termp_fo_post(DECL_ARGS)
2079{
2080
2081 if (MDOC_BODY != n->type)
2082 return;
2083
60e1e752 2084 p->flags |= TERMP_NOSPACE;
80387638
SW
2085 term_word(p, ")");
2086
60e1e752
SW
2087 if (MDOC_SYNPRETTY & n->flags) {
2088 p->flags |= TERMP_NOSPACE;
80387638 2089 term_word(p, ";");
74b26fd3 2090 term_flushln(p);
60e1e752 2091 }
80387638
SW
2092}
2093
2094
2095/* ARGSUSED */
2096static int
2097termp_bf_pre(DECL_ARGS)
2098{
2099
2100 if (MDOC_HEAD == n->type)
2101 return(0);
f88b6c16 2102 else if (MDOC_BODY != n->type)
80387638
SW
2103 return(1);
2104
2105 if (FONT_Em == n->norm->Bf.font)
2106 term_fontpush(p, TERMFONT_UNDER);
2107 else if (FONT_Sy == n->norm->Bf.font)
2108 term_fontpush(p, TERMFONT_BOLD);
2109 else
2110 term_fontpush(p, TERMFONT_NONE);
2111
2112 return(1);
2113}
2114
2115
2116/* ARGSUSED */
2117static int
2118termp_sm_pre(DECL_ARGS)
2119{
2120
2121 assert(n->child && MDOC_TEXT == n->child->type);
2122 if (0 == strcmp("on", n->child->string)) {
2123 if (p->col)
2124 p->flags &= ~TERMP_NOSPACE;
2125 p->flags &= ~TERMP_NONOSPACE;
2126 } else
2127 p->flags |= TERMP_NONOSPACE;
2128
2129 return(0);
2130}
2131
2132
2133/* ARGSUSED */
2134static int
2135termp_ap_pre(DECL_ARGS)
2136{
2137
2138 p->flags |= TERMP_NOSPACE;
2139 term_word(p, "'");
2140 p->flags |= TERMP_NOSPACE;
2141 return(1);
2142}
2143
2144
2145/* ARGSUSED */
2146static void
2147termp____post(DECL_ARGS)
2148{
2149
2150 /*
2151 * Handle lists of authors. In general, print each followed by
2152 * a comma. Don't print the comma if there are only two
2153 * authors.
2154 */
2155 if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2156 if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2157 if (NULL == n->prev || MDOC__A != n->prev->tok)
2158 return;
2159
2160 /* TODO: %U. */
2161
2162 if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2163 return;
2164
60e1e752 2165 p->flags |= TERMP_NOSPACE;
80387638
SW
2166 if (NULL == n->next) {
2167 term_word(p, ".");
2168 p->flags |= TERMP_SENTENCE;
2169 } else
2170 term_word(p, ",");
2171}
2172
2173
2174/* ARGSUSED */
2175static int
2176termp_li_pre(DECL_ARGS)
2177{
2178
2179 term_fontpush(p, TERMFONT_NONE);
2180 return(1);
2181}
2182
2183
2184/* ARGSUSED */
2185static int
2186termp_lk_pre(DECL_ARGS)
2187{
f88b6c16 2188 const struct mdoc_node *link, *descr;
80387638 2189
f88b6c16
FF
2190 if (NULL == (link = n->child))
2191 return(0);
80387638 2192
f88b6c16
FF
2193 if (NULL != (descr = link->next)) {
2194 term_fontpush(p, TERMFONT_UNDER);
2195 while (NULL != descr) {
2196 term_word(p, descr->string);
2197 descr = descr->next;
2198 }
2199 p->flags |= TERMP_NOSPACE;
2200 term_word(p, ":");
2201 term_fontpop(p);
2202 }
80387638
SW
2203
2204 term_fontpush(p, TERMFONT_BOLD);
f88b6c16 2205 term_word(p, link->string);
80387638
SW
2206 term_fontpop(p);
2207
2208 return(0);
2209}
2210
2211
2212/* ARGSUSED */
2213static int
2214termp_bk_pre(DECL_ARGS)
2215{
2216
2217 switch (n->type) {
2218 case (MDOC_BLOCK):
2219 break;
2220 case (MDOC_HEAD):
2221 return(0);
2222 case (MDOC_BODY):
2223 if (n->parent->args || 0 == n->prev->nchild)
2224 p->flags |= TERMP_PREKEEP;
2225 break;
2226 default:
2227 abort();
2228 /* NOTREACHED */
2229 }
2230
2231 return(1);
2232}
2233
2234
2235/* ARGSUSED */
2236static void
2237termp_bk_post(DECL_ARGS)
2238{
2239
9f00ceb7 2240 if (MDOC_BODY == n->type)
80387638
SW
2241 p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
2242}
2243
2244/* ARGSUSED */
2245static void
2246termp__t_post(DECL_ARGS)
2247{
2248
2249 /*
2250 * If we're in an `Rs' and there's a journal present, then quote
2251 * us instead of underlining us (for disambiguation).
2252 */
60e1e752
SW
2253 if (n->parent && MDOC_Rs == n->parent->tok &&
2254 n->parent->norm->Rs.quote_T)
f88b6c16 2255 termp_quote_post(p, pair, meta, n);
80387638 2256
f88b6c16 2257 termp____post(p, pair, meta, n);
80387638
SW
2258}
2259
2260/* ARGSUSED */
2261static int
2262termp__t_pre(DECL_ARGS)
2263{
2264
2265 /*
2266 * If we're in an `Rs' and there's a journal present, then quote
2267 * us instead of underlining us (for disambiguation).
2268 */
2269 if (n->parent && MDOC_Rs == n->parent->tok &&
60e1e752 2270 n->parent->norm->Rs.quote_T)
f88b6c16 2271 return(termp_quote_pre(p, pair, meta, n));
80387638
SW
2272
2273 term_fontpush(p, TERMFONT_UNDER);
2274 return(1);
2275}
2276
2277/* ARGSUSED */
2278static int
2279termp_under_pre(DECL_ARGS)
2280{
2281
2282 term_fontpush(p, TERMFONT_UNDER);
2283 return(1);
2284}