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1 /* $Id: mdoc_validate.c,v 1.132 2010/11/30 12:59:20 kristaps Exp $ */
2 /*
3 * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
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 #ifdef HAVE_CONFIG_H
18 #include "config.h"
19 #endif
20
21 #ifndef OSNAME
22 #include <sys/utsname.h>
23 #endif
24
25 #include <sys/types.h>
26
27 #include <assert.h>
28 #include <ctype.h>
29 #include <limits.h>
30 #include <stdio.h>
31 #include <stdlib.h>
32 #include <string.h>
33 #include <time.h>
34
35 #include "mandoc.h"
36 #include "libmdoc.h"
37 #include "libmandoc.h"
38
39 /* FIXME: .Bl -diag can't have non-text children in HEAD. */
40
41 #define PRE_ARGS struct mdoc *mdoc, struct mdoc_node *n
42 #define POST_ARGS struct mdoc *mdoc
43
44 #define NUMSIZ 32
45 #define DATESIZ 32
46
47 enum check_ineq {
48 CHECK_LT,
49 CHECK_GT,
50 CHECK_EQ
51 };
52
53 enum check_lvl {
54 CHECK_WARN,
55 CHECK_ERROR,
56 CHECK_FATAL
57 };
58
59 typedef int (*v_pre)(PRE_ARGS);
60 typedef int (*v_post)(POST_ARGS);
61
62 struct valids {
63 v_pre *pre;
64 v_post *post;
65 };
66
67 static int check_count(struct mdoc *, enum mdoc_type,
68 enum check_lvl, enum check_ineq, int);
69 static int check_parent(PRE_ARGS, enum mdoct, enum mdoc_type);
70 static int check_stdarg(PRE_ARGS);
71 static int check_text(struct mdoc *, int, int, char *);
72 static int check_argv(struct mdoc *,
73 struct mdoc_node *, struct mdoc_argv *);
74 static int check_args(struct mdoc *, struct mdoc_node *);
75
76 static int concat(struct mdoc *, char *,
77 const struct mdoc_node *, size_t);
78
79 static int ebool(POST_ARGS);
80 static int berr_ge1(POST_ARGS);
81 static int bwarn_ge1(POST_ARGS);
82 static int eerr_eq0(POST_ARGS);
83 static int eerr_eq1(POST_ARGS);
84 static int eerr_ge1(POST_ARGS);
85 static int eerr_le1(POST_ARGS);
86 static int ewarn_eq0(POST_ARGS);
87 static int ewarn_ge1(POST_ARGS);
88 static int herr_eq0(POST_ARGS);
89 static int herr_ge1(POST_ARGS);
90 static int hwarn_eq0(POST_ARGS);
91 static int hwarn_eq1(POST_ARGS);
92 static int hwarn_le1(POST_ARGS);
93
94 static int post_an(POST_ARGS);
95 static int post_at(POST_ARGS);
96 static int post_bf(POST_ARGS);
97 static int post_bl(POST_ARGS);
98 static int post_bl_block(POST_ARGS);
99 static int post_bl_block_width(POST_ARGS);
100 static int post_bl_block_tag(POST_ARGS);
101 static int post_bl_head(POST_ARGS);
102 static int post_dd(POST_ARGS);
103 static int post_dt(POST_ARGS);
104 static int post_defaults(POST_ARGS);
105 static int post_literal(POST_ARGS);
106 static int post_eoln(POST_ARGS);
107 static int post_it(POST_ARGS);
108 static int post_lb(POST_ARGS);
109 static int post_nm(POST_ARGS);
110 static int post_os(POST_ARGS);
111 static int post_prol(POST_ARGS);
112 static int post_root(POST_ARGS);
113 static int post_rs(POST_ARGS);
114 static int post_sh(POST_ARGS);
115 static int post_sh_body(POST_ARGS);
116 static int post_sh_head(POST_ARGS);
117 static int post_st(POST_ARGS);
118 static int post_std(POST_ARGS);
119 static int post_vt(POST_ARGS);
120 static int pre_an(PRE_ARGS);
121 static int pre_bd(PRE_ARGS);
122 static int pre_bl(PRE_ARGS);
123 static int pre_dd(PRE_ARGS);
124 static int pre_display(PRE_ARGS);
125 static int pre_dt(PRE_ARGS);
126 static int pre_it(PRE_ARGS);
127 static int pre_literal(PRE_ARGS);
128 static int pre_os(PRE_ARGS);
129 static int pre_par(PRE_ARGS);
130 static int pre_rv(PRE_ARGS);
131 static int pre_sh(PRE_ARGS);
132 static int pre_ss(PRE_ARGS);
133
134 static v_post posts_an[] = { post_an, NULL };
135 static v_post posts_at[] = { post_at, post_defaults, NULL };
136 static v_post posts_bd[] = { post_literal, hwarn_eq0, bwarn_ge1, NULL };
137 static v_post posts_bf[] = { hwarn_le1, post_bf, NULL };
138 static v_post posts_bk[] = { hwarn_eq0, bwarn_ge1, NULL };
139 static v_post posts_bl[] = { bwarn_ge1, post_bl, NULL };
140 static v_post posts_bool[] = { eerr_eq1, ebool, NULL };
141 static v_post posts_eoln[] = { post_eoln, NULL };
142 static v_post posts_defaults[] = { post_defaults, NULL };
143 static v_post posts_dd[] = { ewarn_ge1, post_dd, post_prol, NULL };
144 static v_post posts_dl[] = { post_literal, bwarn_ge1, herr_eq0, NULL };
145 static v_post posts_dt[] = { post_dt, post_prol, NULL };
146 static v_post posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL };
147 static v_post posts_it[] = { post_it, NULL };
148 static v_post posts_lb[] = { eerr_eq1, post_lb, NULL };
149 static v_post posts_nd[] = { berr_ge1, NULL };
150 static v_post posts_nm[] = { post_nm, NULL };
151 static v_post posts_notext[] = { ewarn_eq0, NULL };
152 static v_post posts_os[] = { post_os, post_prol, NULL };
153 static v_post posts_rs[] = { berr_ge1, herr_eq0, post_rs, NULL };
154 static v_post posts_sh[] = { herr_ge1, bwarn_ge1, post_sh, NULL };
155 static v_post posts_sp[] = { eerr_le1, NULL };
156 static v_post posts_ss[] = { herr_ge1, NULL };
157 static v_post posts_st[] = { eerr_eq1, post_st, NULL };
158 static v_post posts_std[] = { post_std, NULL };
159 static v_post posts_text[] = { eerr_ge1, NULL };
160 static v_post posts_text1[] = { eerr_eq1, NULL };
161 static v_post posts_vt[] = { post_vt, NULL };
162 static v_post posts_wline[] = { bwarn_ge1, herr_eq0, NULL };
163 static v_post posts_wtext[] = { ewarn_ge1, NULL };
164 static v_pre pres_an[] = { pre_an, NULL };
165 static v_pre pres_bd[] = { pre_display, pre_bd, pre_literal, pre_par, NULL };
166 static v_pre pres_bl[] = { pre_bl, pre_par, NULL };
167 static v_pre pres_d1[] = { pre_display, NULL };
168 static v_pre pres_dl[] = { pre_literal, pre_display, NULL };
169 static v_pre pres_dd[] = { pre_dd, NULL };
170 static v_pre pres_dt[] = { pre_dt, NULL };
171 static v_pre pres_er[] = { NULL, NULL };
172 static v_pre pres_ex[] = { NULL, NULL };
173 static v_pre pres_fd[] = { NULL, NULL };
174 static v_pre pres_it[] = { pre_it, NULL };
175 static v_pre pres_os[] = { pre_os, NULL };
176 static v_pre pres_pp[] = { pre_par, NULL };
177 static v_pre pres_rv[] = { pre_rv, NULL };
178 static v_pre pres_sh[] = { pre_sh, NULL };
179 static v_pre pres_ss[] = { pre_ss, NULL };
180
181 const struct valids mdoc_valids[MDOC_MAX] = {
182 { NULL, NULL }, /* Ap */
183 { pres_dd, posts_dd }, /* Dd */
184 { pres_dt, posts_dt }, /* Dt */
185 { pres_os, posts_os }, /* Os */
186 { pres_sh, posts_sh }, /* Sh */
187 { pres_ss, posts_ss }, /* Ss */
188 { pres_pp, posts_notext }, /* Pp */
189 { pres_d1, posts_wline }, /* D1 */
190 { pres_dl, posts_dl }, /* Dl */
191 { pres_bd, posts_bd }, /* Bd */
192 { NULL, NULL }, /* Ed */
193 { pres_bl, posts_bl }, /* Bl */
194 { NULL, NULL }, /* El */
195 { pres_it, posts_it }, /* It */
196 { NULL, posts_text }, /* Ad */
197 { pres_an, posts_an }, /* An */
198 { NULL, posts_defaults }, /* Ar */
199 { NULL, posts_text }, /* Cd */
200 { NULL, NULL }, /* Cm */
201 { NULL, NULL }, /* Dv */
202 { pres_er, posts_text }, /* Er */
203 { NULL, NULL }, /* Ev */
204 { pres_ex, posts_std }, /* Ex */
205 { NULL, NULL }, /* Fa */
206 { pres_fd, posts_wtext }, /* Fd */
207 { NULL, NULL }, /* Fl */
208 { NULL, posts_text }, /* Fn */
209 { NULL, posts_wtext }, /* Ft */
210 { NULL, posts_text }, /* Ic */
211 { NULL, posts_text1 }, /* In */
212 { NULL, posts_defaults }, /* Li */
213 { NULL, posts_nd }, /* Nd */
214 { NULL, posts_nm }, /* Nm */
215 { NULL, posts_wline }, /* Op */
216 { NULL, NULL }, /* Ot */
217 { NULL, posts_defaults }, /* Pa */
218 { pres_rv, posts_std }, /* Rv */
219 { NULL, posts_st }, /* St */
220 { NULL, NULL }, /* Va */
221 { NULL, posts_vt }, /* Vt */
222 { NULL, posts_wtext }, /* Xr */
223 { NULL, posts_text }, /* %A */
224 { NULL, posts_text }, /* %B */ /* FIXME: can be used outside Rs/Re. */
225 { NULL, posts_text }, /* %D */ /* FIXME: check date with mandoc_a2time(). */
226 { NULL, posts_text }, /* %I */
227 { NULL, posts_text }, /* %J */
228 { NULL, posts_text }, /* %N */
229 { NULL, posts_text }, /* %O */
230 { NULL, posts_text }, /* %P */
231 { NULL, posts_text }, /* %R */
232 { NULL, posts_text }, /* %T */ /* FIXME: can be used outside Rs/Re. */
233 { NULL, posts_text }, /* %V */
234 { NULL, NULL }, /* Ac */
235 { NULL, NULL }, /* Ao */
236 { NULL, posts_wline }, /* Aq */
237 { NULL, posts_at }, /* At */
238 { NULL, NULL }, /* Bc */
239 { NULL, posts_bf }, /* Bf */
240 { NULL, NULL }, /* Bo */
241 { NULL, posts_wline }, /* Bq */
242 { NULL, NULL }, /* Bsx */
243 { NULL, NULL }, /* Bx */
244 { NULL, posts_bool }, /* Db */
245 { NULL, NULL }, /* Dc */
246 { NULL, NULL }, /* Do */
247 { NULL, posts_wline }, /* Dq */
248 { NULL, NULL }, /* Ec */
249 { NULL, NULL }, /* Ef */
250 { NULL, NULL }, /* Em */
251 { NULL, NULL }, /* Eo */
252 { NULL, NULL }, /* Fx */
253 { NULL, posts_text }, /* Ms */
254 { NULL, posts_notext }, /* No */
255 { NULL, posts_notext }, /* Ns */
256 { NULL, NULL }, /* Nx */
257 { NULL, NULL }, /* Ox */
258 { NULL, NULL }, /* Pc */
259 { NULL, posts_text1 }, /* Pf */
260 { NULL, NULL }, /* Po */
261 { NULL, posts_wline }, /* Pq */
262 { NULL, NULL }, /* Qc */
263 { NULL, posts_wline }, /* Ql */
264 { NULL, NULL }, /* Qo */
265 { NULL, posts_wline }, /* Qq */
266 { NULL, NULL }, /* Re */
267 { NULL, posts_rs }, /* Rs */
268 { NULL, NULL }, /* Sc */
269 { NULL, NULL }, /* So */
270 { NULL, posts_wline }, /* Sq */
271 { NULL, posts_bool }, /* Sm */
272 { NULL, posts_text }, /* Sx */
273 { NULL, posts_text }, /* Sy */
274 { NULL, posts_text }, /* Tn */
275 { NULL, NULL }, /* Ux */
276 { NULL, NULL }, /* Xc */
277 { NULL, NULL }, /* Xo */
278 { NULL, posts_fo }, /* Fo */
279 { NULL, NULL }, /* Fc */
280 { NULL, NULL }, /* Oo */
281 { NULL, NULL }, /* Oc */
282 { NULL, posts_bk }, /* Bk */
283 { NULL, NULL }, /* Ek */
284 { NULL, posts_eoln }, /* Bt */
285 { NULL, NULL }, /* Hf */
286 { NULL, NULL }, /* Fr */
287 { NULL, posts_eoln }, /* Ud */
288 { NULL, posts_lb }, /* Lb */
289 { NULL, posts_notext }, /* Lp */
290 { NULL, posts_text }, /* Lk */
291 { NULL, posts_defaults }, /* Mt */
292 { NULL, posts_wline }, /* Brq */
293 { NULL, NULL }, /* Bro */
294 { NULL, NULL }, /* Brc */
295 { NULL, posts_text }, /* %C */
296 { NULL, NULL }, /* Es */
297 { NULL, NULL }, /* En */
298 { NULL, NULL }, /* Dx */
299 { NULL, posts_text }, /* %Q */
300 { NULL, posts_notext }, /* br */
301 { pres_pp, posts_sp }, /* sp */
302 { NULL, posts_text1 }, /* %U */
303 { NULL, NULL }, /* Ta */
304 };
305
306 #define RSORD_MAX 14 /* Number of `Rs' blocks. */
307
308 static const enum mdoct rsord[RSORD_MAX] = {
309 MDOC__A,
310 MDOC__T,
311 MDOC__B,
312 MDOC__I,
313 MDOC__J,
314 MDOC__R,
315 MDOC__N,
316 MDOC__V,
317 MDOC__P,
318 MDOC__Q,
319 MDOC__D,
320 MDOC__O,
321 MDOC__C,
322 MDOC__U
323 };
324
325
326 int
327 mdoc_valid_pre(struct mdoc *mdoc, struct mdoc_node *n)
328 {
329 v_pre *p;
330 int line, pos;
331 char *tp;
332
333 if (MDOC_TEXT == n->type) {
334 tp = n->string;
335 line = n->line;
336 pos = n->pos;
337 return(check_text(mdoc, line, pos, tp));
338 }
339
340 if ( ! check_args(mdoc, n))
341 return(0);
342 if (NULL == mdoc_valids[n->tok].pre)
343 return(1);
344 for (p = mdoc_valids[n->tok].pre; *p; p++)
345 if ( ! (*p)(mdoc, n))
346 return(0);
347 return(1);
348 }
349
350
351 int
352 mdoc_valid_post(struct mdoc *mdoc)
353 {
354 v_post *p;
355
356 if (MDOC_VALID & mdoc->last->flags)
357 return(1);
358 mdoc->last->flags |= MDOC_VALID;
359
360 if (MDOC_TEXT == mdoc->last->type)
361 return(1);
362 if (MDOC_ROOT == mdoc->last->type)
363 return(post_root(mdoc));
364
365 if (NULL == mdoc_valids[mdoc->last->tok].post)
366 return(1);
367 for (p = mdoc_valids[mdoc->last->tok].post; *p; p++)
368 if ( ! (*p)(mdoc))
369 return(0);
370
371 return(1);
372 }
373
374 static int
375 check_count(struct mdoc *m, enum mdoc_type type,
376 enum check_lvl lvl, enum check_ineq ineq, int val)
377 {
378 const char *p;
379
380 if (m->last->type != type)
381 return(1);
382
383 switch (ineq) {
384 case (CHECK_LT):
385 p = "less than ";
386 if (m->last->nchild < val)
387 return(1);
388 break;
389 case (CHECK_GT):
390 p = "greater than ";
391 if (m->last->nchild > val)
392 return(1);
393 break;
394 case (CHECK_EQ):
395 p = "";
396 if (val == m->last->nchild)
397 return(1);
398 break;
399 }
400
401 if (CHECK_WARN == lvl) {
402 return(mdoc_vmsg(m, MANDOCERR_ARGCOUNT,
403 m->last->line, m->last->pos,
404 "want %s%d children (have %d)",
405 p, val, m->last->nchild));
406 }
407
408 return(mdoc_vmsg(m, MANDOCERR_ARGCOUNT,
409 m->last->line, m->last->pos,
410 "require %s%d children (have %d)",
411 p, val, m->last->nchild));
412 }
413
414 static int
415 berr_ge1(POST_ARGS)
416 {
417
418 return(check_count(mdoc, MDOC_BODY, CHECK_FATAL, CHECK_GT, 0));
419 }
420
421 static int
422 bwarn_ge1(POST_ARGS)
423 {
424 return(check_count(mdoc, MDOC_BODY, CHECK_WARN, CHECK_GT, 0));
425 }
426
427 static int
428 eerr_eq0(POST_ARGS)
429 {
430 return(check_count(mdoc, MDOC_ELEM, CHECK_FATAL, CHECK_EQ, 0));
431 }
432
433 static int
434 eerr_eq1(POST_ARGS)
435 {
436 return(check_count(mdoc, MDOC_ELEM, CHECK_FATAL, CHECK_EQ, 1));
437 }
438
439 static int
440 eerr_ge1(POST_ARGS)
441 {
442 return(check_count(mdoc, MDOC_ELEM, CHECK_FATAL, CHECK_GT, 0));
443 }
444
445 static int
446 eerr_le1(POST_ARGS)
447 {
448 return(check_count(mdoc, MDOC_ELEM, CHECK_FATAL, CHECK_LT, 2));
449 }
450
451 static int
452 ewarn_eq0(POST_ARGS)
453 {
454 return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_EQ, 0));
455 }
456
457 static int
458 ewarn_ge1(POST_ARGS)
459 {
460 return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_GT, 0));
461 }
462
463 static int
464 herr_eq0(POST_ARGS)
465 {
466 return(check_count(mdoc, MDOC_HEAD, CHECK_FATAL, CHECK_EQ, 0));
467 }
468
469 static int
470 herr_ge1(POST_ARGS)
471 {
472 return(check_count(mdoc, MDOC_HEAD, CHECK_FATAL, CHECK_GT, 0));
473 }
474
475 static int
476 hwarn_eq0(POST_ARGS)
477 {
478 return(check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_EQ, 0));
479 }
480
481 static int
482 hwarn_eq1(POST_ARGS)
483 {
484 return(check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_EQ, 1));
485 }
486
487 static int
488 hwarn_le1(POST_ARGS)
489 {
490 return(check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_LT, 2));
491 }
492
493
494 static int
495 check_stdarg(PRE_ARGS)
496 {
497
498 if (n->args && 1 == n->args->argc)
499 if (MDOC_Std == n->args->argv[0].arg)
500 return(1);
501 return(mdoc_nmsg(mdoc, n, MANDOCERR_NOARGV));
502 }
503
504
505 static int
506 check_args(struct mdoc *m, struct mdoc_node *n)
507 {
508 int i;
509
510 if (NULL == n->args)
511 return(1);
512
513 assert(n->args->argc);
514 for (i = 0; i < (int)n->args->argc; i++)
515 if ( ! check_argv(m, n, &n->args->argv[i]))
516 return(0);
517
518 return(1);
519 }
520
521
522 static int
523 check_argv(struct mdoc *m, struct mdoc_node *n, struct mdoc_argv *v)
524 {
525 int i;
526
527 for (i = 0; i < (int)v->sz; i++)
528 if ( ! check_text(m, v->line, v->pos, v->value[i]))
529 return(0);
530
531 if (MDOC_Std == v->arg) {
532 if (v->sz || m->meta.name)
533 return(1);
534 if ( ! mdoc_nmsg(m, n, MANDOCERR_NONAME))
535 return(0);
536 }
537
538 return(1);
539 }
540
541
542 static int
543 check_text(struct mdoc *m, int ln, int pos, char *p)
544 {
545 int c;
546 size_t sz;
547
548 for ( ; *p; p++, pos++) {
549 sz = strcspn(p, "\t\\");
550 p += (int)sz;
551
552 if ('\0' == *p)
553 break;
554
555 pos += (int)sz;
556
557 if ('\t' == *p) {
558 if (MDOC_LITERAL & m->flags)
559 continue;
560 if (mdoc_pmsg(m, ln, pos, MANDOCERR_BADTAB))
561 continue;
562 return(0);
563 }
564
565 /* Check the special character. */
566
567 c = mandoc_special(p);
568 if (c) {
569 p += c - 1;
570 pos += c - 1;
571 } else
572 mdoc_pmsg(m, ln, pos, MANDOCERR_BADESCAPE);
573 }
574
575 return(1);
576 }
577
578
579 static int
580 check_parent(PRE_ARGS, enum mdoct tok, enum mdoc_type t)
581 {
582
583 assert(n->parent);
584 if ((MDOC_ROOT == t || tok == n->parent->tok) &&
585 (t == n->parent->type))
586 return(1);
587
588 mdoc_vmsg(mdoc, MANDOCERR_SYNTCHILD,
589 n->line, n->pos, "want parent %s",
590 MDOC_ROOT == t ? "<root>" :
591 mdoc_macronames[tok]);
592 return(0);
593 }
594
595
596 static int
597 pre_display(PRE_ARGS)
598 {
599 struct mdoc_node *node;
600
601 /* Display elements (`Bd', `D1'...) cannot be nested. */
602
603 if (MDOC_BLOCK != n->type)
604 return(1);
605
606 /* LINTED */
607 for (node = mdoc->last->parent; node; node = node->parent)
608 if (MDOC_BLOCK == node->type)
609 if (MDOC_Bd == node->tok)
610 break;
611
612 if (NULL == node)
613 return(1);
614
615 mdoc_nmsg(mdoc, n, MANDOCERR_NESTEDDISP);
616 return(0);
617 }
618
619
620 static int
621 pre_bl(PRE_ARGS)
622 {
623 int i, comp, dup;
624 const char *offs, *width;
625 enum mdoc_list lt;
626 struct mdoc_node *np;
627
628 if (MDOC_BLOCK != n->type) {
629 if (ENDBODY_NOT != n->end) {
630 assert(n->pending);
631 np = n->pending->parent;
632 } else
633 np = n->parent;
634
635 assert(np);
636 assert(MDOC_BLOCK == np->type);
637 assert(MDOC_Bl == np->tok);
638 assert(np->data.Bl);
639 n->data.Bl = np->data.Bl;
640 return(1);
641 }
642
643 /*
644 * First figure out which kind of list to use: bind ourselves to
645 * the first mentioned list type and warn about any remaining
646 * ones. If we find no list type, we default to LIST_item.
647 */
648
649 assert(NULL == n->data.Bl);
650 n->data.Bl = mandoc_calloc(1, sizeof(struct mdoc_bl));
651
652 /* LINTED */
653 for (i = 0; n->args && i < (int)n->args->argc; i++) {
654 lt = LIST__NONE;
655 dup = comp = 0;
656 width = offs = NULL;
657 switch (n->args->argv[i].arg) {
658 /* Set list types. */
659 case (MDOC_Bullet):
660 lt = LIST_bullet;
661 break;
662 case (MDOC_Dash):
663 lt = LIST_dash;
664 break;
665 case (MDOC_Enum):
666 lt = LIST_enum;
667 break;
668 case (MDOC_Hyphen):
669 lt = LIST_hyphen;
670 break;
671 case (MDOC_Item):
672 lt = LIST_item;
673 break;
674 case (MDOC_Tag):
675 lt = LIST_tag;
676 break;
677 case (MDOC_Diag):
678 lt = LIST_diag;
679 break;
680 case (MDOC_Hang):
681 lt = LIST_hang;
682 break;
683 case (MDOC_Ohang):
684 lt = LIST_ohang;
685 break;
686 case (MDOC_Inset):
687 lt = LIST_inset;
688 break;
689 case (MDOC_Column):
690 lt = LIST_column;
691 break;
692 /* Set list arguments. */
693 case (MDOC_Compact):
694 dup = n->data.Bl->comp;
695 comp = 1;
696 break;
697 case (MDOC_Width):
698 dup = (NULL != n->data.Bl->width);
699 width = n->args->argv[i].value[0];
700 break;
701 case (MDOC_Offset):
702 /* NB: this can be empty! */
703 if (n->args->argv[i].sz) {
704 offs = n->args->argv[i].value[0];
705 dup = (NULL != n->data.Bl->offs);
706 break;
707 }
708 if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV))
709 return(0);
710 break;
711 default:
712 continue;
713 }
714
715 /* Check: duplicate auxiliary arguments. */
716
717 if (dup && ! mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP))
718 return(0);
719
720 if (comp && ! dup)
721 n->data.Bl->comp = comp;
722 if (offs && ! dup)
723 n->data.Bl->offs = offs;
724 if (width && ! dup)
725 n->data.Bl->width = width;
726
727 /* Check: multiple list types. */
728
729 if (LIST__NONE != lt && n->data.Bl->type != LIST__NONE)
730 if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTREP))
731 return(0);
732
733 /* Assign list type. */
734
735 if (LIST__NONE != lt && n->data.Bl->type == LIST__NONE) {
736 n->data.Bl->type = lt;
737 /* Set column information, too. */
738 if (LIST_column == lt) {
739 n->data.Bl->ncols =
740 n->args->argv[i].sz;
741 n->data.Bl->cols = (const char **)
742 n->args->argv[i].value;
743 }
744 }
745
746 /* The list type should come first. */
747
748 if (n->data.Bl->type == LIST__NONE)
749 if (n->data.Bl->width ||
750 n->data.Bl->offs ||
751 n->data.Bl->comp)
752 if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTFIRST))
753 return(0);
754
755 continue;
756 }
757
758 /* Allow lists to default to LIST_item. */
759
760 if (LIST__NONE == n->data.Bl->type) {
761 if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTTYPE))
762 return(0);
763 n->data.Bl->type = LIST_item;
764 }
765
766 /*
767 * Validate the width field. Some list types don't need width
768 * types and should be warned about them. Others should have it
769 * and must also be warned.
770 */
771
772 switch (n->data.Bl->type) {
773 case (LIST_tag):
774 if (n->data.Bl->width)
775 break;
776 if (mdoc_nmsg(mdoc, n, MANDOCERR_NOWIDTHARG))
777 break;
778 return(0);
779 case (LIST_column):
780 /* FALLTHROUGH */
781 case (LIST_diag):
782 /* FALLTHROUGH */
783 case (LIST_ohang):
784 /* FALLTHROUGH */
785 case (LIST_inset):
786 /* FALLTHROUGH */
787 case (LIST_item):
788 if (NULL == n->data.Bl->width)
789 break;
790 if (mdoc_nmsg(mdoc, n, MANDOCERR_WIDTHARG))
791 break;
792 return(0);
793 default:
794 break;
795 }
796
797 return(1);
798 }
799
800
801 static int
802 pre_bd(PRE_ARGS)
803 {
804 int i, dup, comp;
805 enum mdoc_disp dt;
806 const char *offs;
807 struct mdoc_node *np;
808
809 if (MDOC_BLOCK != n->type) {
810 if (ENDBODY_NOT != n->end) {
811 assert(n->pending);
812 np = n->pending->parent;
813 } else
814 np = n->parent;
815
816 assert(np);
817 assert(MDOC_BLOCK == np->type);
818 assert(MDOC_Bd == np->tok);
819 assert(np->data.Bd);
820 n->data.Bd = np->data.Bd;
821 return(1);
822 }
823
824 assert(NULL == n->data.Bd);
825 n->data.Bd = mandoc_calloc(1, sizeof(struct mdoc_bd));
826
827 /* LINTED */
828 for (i = 0; n->args && i < (int)n->args->argc; i++) {
829 dt = DISP__NONE;
830 dup = comp = 0;
831 offs = NULL;
832
833 switch (n->args->argv[i].arg) {
834 case (MDOC_Centred):
835 dt = DISP_centred;
836 break;
837 case (MDOC_Ragged):
838 dt = DISP_ragged;
839 break;
840 case (MDOC_Unfilled):
841 dt = DISP_unfilled;
842 break;
843 case (MDOC_Filled):
844 dt = DISP_filled;
845 break;
846 case (MDOC_Literal):
847 dt = DISP_literal;
848 break;
849 case (MDOC_File):
850 mdoc_nmsg(mdoc, n, MANDOCERR_BADDISP);
851 return(0);
852 case (MDOC_Offset):
853 /* NB: this can be empty! */
854 if (n->args->argv[i].sz) {
855 offs = n->args->argv[i].value[0];
856 dup = (NULL != n->data.Bd->offs);
857 break;
858 }
859 if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV))
860 return(0);
861 break;
862 case (MDOC_Compact):
863 comp = 1;
864 dup = n->data.Bd->comp;
865 break;
866 default:
867 abort();
868 /* NOTREACHED */
869 }
870
871 /* Check whether we have duplicates. */
872
873 if (dup && ! mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP))
874 return(0);
875
876 /* Make our auxiliary assignments. */
877
878 if (offs && ! dup)
879 n->data.Bd->offs = offs;
880 if (comp && ! dup)
881 n->data.Bd->comp = comp;
882
883 /* Check whether a type has already been assigned. */
884
885 if (DISP__NONE != dt && n->data.Bd->type != DISP__NONE)
886 if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_DISPREP))
887 return(0);
888
889 /* Make our type assignment. */
890
891 if (DISP__NONE != dt && n->data.Bd->type == DISP__NONE)
892 n->data.Bd->type = dt;
893 }
894
895 if (DISP__NONE == n->data.Bd->type) {
896 if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_DISPTYPE))
897 return(0);
898 n->data.Bd->type = DISP_ragged;
899 }
900
901 return(1);
902 }
903
904
905 static int
906 pre_ss(PRE_ARGS)
907 {
908
909 if (MDOC_BLOCK != n->type)
910 return(1);
911 return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY));
912 }
913
914
915 static int
916 pre_sh(PRE_ARGS)
917 {
918
919 if (MDOC_BLOCK != n->type)
920 return(1);
921
922 mdoc->regs->regs[(int)REG_nS].set = 0;
923 return(check_parent(mdoc, n, MDOC_MAX, MDOC_ROOT));
924 }
925
926
927 static int
928 pre_it(PRE_ARGS)
929 {
930
931 if (MDOC_BLOCK != n->type)
932 return(1);
933 /*
934 * FIXME: this can probably be lifted if we make the It into
935 * something else on-the-fly?
936 */
937 return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
938 }
939
940
941 static int
942 pre_an(PRE_ARGS)
943 {
944 int i;
945
946 if (NULL == n->args)
947 return(1);
948
949 for (i = 1; i < (int)n->args->argc; i++)
950 if ( ! mdoc_pmsg(mdoc, n->args->argv[i].line,
951 n->args->argv[i].pos, MANDOCERR_IGNARGV))
952 return(0);
953
954 if (MDOC_Split == n->args->argv[0].arg)
955 n->data.An.auth = AUTH_split;
956 else if (MDOC_Nosplit == n->args->argv[0].arg)
957 n->data.An.auth = AUTH_nosplit;
958 else
959 abort();
960
961 return(1);
962 }
963
964 static int
965 pre_rv(PRE_ARGS)
966 {
967
968 return(check_stdarg(mdoc, n));
969 }
970
971 static int
972 pre_dt(PRE_ARGS)
973 {
974
975 if (0 == mdoc->meta.date || mdoc->meta.os)
976 if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
977 return(0);
978 if (mdoc->meta.title)
979 if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
980 return(0);
981 return(1);
982 }
983
984 static int
985 pre_os(PRE_ARGS)
986 {
987
988 if (NULL == mdoc->meta.title || 0 == mdoc->meta.date)
989 if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
990 return(0);
991 if (mdoc->meta.os)
992 if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
993 return(0);
994 return(1);
995 }
996
997 static int
998 pre_dd(PRE_ARGS)
999 {
1000
1001 if (mdoc->meta.title || mdoc->meta.os)
1002 if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
1003 return(0);
1004 if (mdoc->meta.date)
1005 if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
1006 return(0);
1007 return(1);
1008 }
1009
1010
1011 static int
1012 post_bf(POST_ARGS)
1013 {
1014 struct mdoc_node *np;
1015 enum mdocargt arg;
1016
1017 /*
1018 * Unlike other data pointers, these are "housed" by the HEAD
1019 * element, which contains the goods.
1020 */
1021
1022 if (MDOC_HEAD != mdoc->last->type) {
1023 if (ENDBODY_NOT != mdoc->last->end) {
1024 assert(mdoc->last->pending);
1025 np = mdoc->last->pending->parent->head;
1026 } else if (MDOC_BLOCK != mdoc->last->type) {
1027 np = mdoc->last->parent->head;
1028 } else
1029 np = mdoc->last->head;
1030
1031 assert(np);
1032 assert(MDOC_HEAD == np->type);
1033 assert(MDOC_Bf == np->tok);
1034 assert(np->data.Bf);
1035 mdoc->last->data.Bf = np->data.Bf;
1036 return(1);
1037 }
1038
1039 np = mdoc->last;
1040 assert(MDOC_BLOCK == np->parent->type);
1041 assert(MDOC_Bf == np->parent->tok);
1042 np->data.Bf = mandoc_calloc(1, sizeof(struct mdoc_bf));
1043
1044 /*
1045 * Cannot have both argument and parameter.
1046 * If neither is specified, let it through with a warning.
1047 */
1048
1049 if (np->parent->args && np->child) {
1050 mdoc_nmsg(mdoc, np, MANDOCERR_SYNTARGVCOUNT);
1051 return(0);
1052 } else if (NULL == np->parent->args && NULL == np->child)
1053 return(mdoc_nmsg(mdoc, np, MANDOCERR_FONTTYPE));
1054
1055 /* Extract argument into data. */
1056
1057 if (np->parent->args) {
1058 arg = np->parent->args->argv[0].arg;
1059 if (MDOC_Emphasis == arg)
1060 np->data.Bf->font = FONT_Em;
1061 else if (MDOC_Literal == arg)
1062 np->data.Bf->font = FONT_Li;
1063 else if (MDOC_Symbolic == arg)
1064 np->data.Bf->font = FONT_Sy;
1065 else
1066 abort();
1067 return(1);
1068 }
1069
1070 /* Extract parameter into data. */
1071
1072 if (0 == strcmp(np->child->string, "Em"))
1073 np->data.Bf->font = FONT_Em;
1074 else if (0 == strcmp(np->child->string, "Li"))
1075 np->data.Bf->font = FONT_Li;
1076 else if (0 == strcmp(np->child->string, "Sy"))
1077 np->data.Bf->font = FONT_Sy;
1078 else if ( ! mdoc_nmsg(mdoc, np, MANDOCERR_FONTTYPE))
1079 return(0);
1080
1081 return(1);
1082 }
1083
1084 static int
1085 post_lb(POST_ARGS)
1086 {
1087 const char *p;
1088 char *buf;
1089 size_t sz;
1090
1091 assert(mdoc->last->child);
1092 assert(MDOC_TEXT == mdoc->last->child->type);
1093
1094 p = mdoc_a2lib(mdoc->last->child->string);
1095
1096 /* If lookup ok, replace with table value. */
1097
1098 if (p) {
1099 free(mdoc->last->child->string);
1100 mdoc->last->child->string = mandoc_strdup(p);
1101 return(1);
1102 }
1103
1104 /* If not, use "library ``xxxx''. */
1105
1106 sz = strlen(mdoc->last->child->string) +
1107 2 + strlen("\\(lqlibrary\\(rq");
1108 buf = mandoc_malloc(sz);
1109 snprintf(buf, sz, "library \\(lq%s\\(rq",
1110 mdoc->last->child->string);
1111 free(mdoc->last->child->string);
1112 mdoc->last->child->string = buf;
1113 return(1);
1114 }
1115
1116 static int
1117 post_eoln(POST_ARGS)
1118 {
1119
1120 if (NULL == mdoc->last->child)
1121 return(1);
1122 return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST));
1123 }
1124
1125
1126 static int
1127 post_vt(POST_ARGS)
1128 {
1129 const struct mdoc_node *n;
1130
1131 /*
1132 * The Vt macro comes in both ELEM and BLOCK form, both of which
1133 * have different syntaxes (yet more context-sensitive
1134 * behaviour). ELEM types must have a child; BLOCK types,
1135 * specifically the BODY, should only have TEXT children.
1136 */
1137
1138 if (MDOC_ELEM == mdoc->last->type)
1139 return(eerr_ge1(mdoc));
1140 if (MDOC_BODY != mdoc->last->type)
1141 return(1);
1142
1143 for (n = mdoc->last->child; n; n = n->next)
1144 if (MDOC_TEXT != n->type)
1145 if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_CHILD))
1146 return(0);
1147
1148 return(1);
1149 }
1150
1151
1152 static int
1153 post_nm(POST_ARGS)
1154 {
1155 char buf[BUFSIZ];
1156
1157 /* If no child specified, make sure we have the meta name. */
1158
1159 if (NULL == mdoc->last->child && NULL == mdoc->meta.name) {
1160 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NONAME);
1161 return(1);
1162 } else if (mdoc->meta.name)
1163 return(1);
1164
1165 /* If no meta name, set it from the child. */
1166
1167 if ( ! concat(mdoc, buf, mdoc->last->child, BUFSIZ))
1168 return(0);
1169
1170 mdoc->meta.name = mandoc_strdup(buf);
1171
1172 return(1);
1173 }
1174
1175 static int
1176 post_literal(POST_ARGS)
1177 {
1178
1179 /*
1180 * The `Dl' (note "el" not "one") and `Bd' macros unset the
1181 * MDOC_LITERAL flag as they leave. Note that `Bd' only sets
1182 * this in literal mode, but it doesn't hurt to just switch it
1183 * off in general since displays can't be nested.
1184 */
1185
1186 if (MDOC_BODY == mdoc->last->type)
1187 mdoc->last->flags &= ~MDOC_LITERAL;
1188
1189 return(1);
1190 }
1191
1192 static int
1193 post_defaults(POST_ARGS)
1194 {
1195 struct mdoc_node *nn;
1196
1197 /*
1198 * The `Ar' defaults to "file ..." if no value is provided as an
1199 * argument; the `Mt' and `Pa' macros use "~"; the `Li' just
1200 * gets an empty string.
1201 */
1202
1203 if (mdoc->last->child)
1204 return(1);
1205
1206 nn = mdoc->last;
1207 mdoc->next = MDOC_NEXT_CHILD;
1208
1209 switch (nn->tok) {
1210 case (MDOC_Ar):
1211 if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "file"))
1212 return(0);
1213 if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "..."))
1214 return(0);
1215 break;
1216 case (MDOC_At):
1217 if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "AT&T"))
1218 return(0);
1219 if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "UNIX"))
1220 return(0);
1221 break;
1222 case (MDOC_Li):
1223 if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, ""))
1224 return(0);
1225 break;
1226 case (MDOC_Pa):
1227 /* FALLTHROUGH */
1228 case (MDOC_Mt):
1229 if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "~"))
1230 return(0);
1231 break;
1232 default:
1233 abort();
1234 /* NOTREACHED */
1235 }
1236
1237 mdoc->last = nn;
1238 return(1);
1239 }
1240
1241 static int
1242 post_at(POST_ARGS)
1243 {
1244 const char *p, *q;
1245 char *buf;
1246 size_t sz;
1247
1248 /*
1249 * If we have a child, look it up in the standard keys. If a
1250 * key exist, use that instead of the child; if it doesn't,
1251 * prefix "AT&T UNIX " to the existing data.
1252 */
1253
1254 if (NULL == mdoc->last->child)
1255 return(1);
1256
1257 assert(MDOC_TEXT == mdoc->last->child->type);
1258 p = mdoc_a2att(mdoc->last->child->string);
1259
1260 if (p) {
1261 free(mdoc->last->child->string);
1262 mdoc->last->child->string = mandoc_strdup(p);
1263 } else {
1264 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADATT);
1265 p = "AT&T UNIX ";
1266 q = mdoc->last->child->string;
1267 sz = strlen(p) + strlen(q) + 1;
1268 buf = mandoc_malloc(sz);
1269 strlcpy(buf, p, sz);
1270 strlcat(buf, q, sz);
1271 free(mdoc->last->child->string);
1272 mdoc->last->child->string = buf;
1273 }
1274
1275 return(1);
1276 }
1277
1278 static int
1279 post_an(POST_ARGS)
1280 {
1281 struct mdoc_node *np;
1282
1283 np = mdoc->last;
1284 if (AUTH__NONE != np->data.An.auth && np->child)
1285 return(eerr_eq0(mdoc));
1286 /*
1287 * FIXME: make this ewarn and make sure that the front-ends
1288 * don't print the arguments.
1289 */
1290 if (AUTH__NONE != np->data.An.auth || np->child)
1291 return(1);
1292 return(mdoc_nmsg(mdoc, np, MANDOCERR_NOARGS));
1293 }
1294
1295
1296 static int
1297 post_it(POST_ARGS)
1298 {
1299 int i, cols, rc;
1300 enum mdoc_list lt;
1301 struct mdoc_node *n, *c;
1302 enum mandocerr er;
1303
1304 if (MDOC_BLOCK != mdoc->last->type)
1305 return(1);
1306
1307 n = mdoc->last->parent->parent;
1308 assert(n->data.Bl);
1309 lt = n->data.Bl->type;
1310
1311 if (LIST__NONE == lt) {
1312 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_LISTTYPE);
1313 return(0);
1314 }
1315
1316 switch (lt) {
1317 case (LIST_tag):
1318 if (mdoc->last->head->child)
1319 break;
1320 /* FIXME: give this a dummy value. */
1321 if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS))
1322 return(0);
1323 break;
1324 case (LIST_hang):
1325 /* FALLTHROUGH */
1326 case (LIST_ohang):
1327 /* FALLTHROUGH */
1328 case (LIST_inset):
1329 /* FALLTHROUGH */
1330 case (LIST_diag):
1331 if (NULL == mdoc->last->head->child)
1332 if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS))
1333 return(0);
1334 break;
1335 case (LIST_bullet):
1336 /* FALLTHROUGH */
1337 case (LIST_dash):
1338 /* FALLTHROUGH */
1339 case (LIST_enum):
1340 /* FALLTHROUGH */
1341 case (LIST_hyphen):
1342 if (NULL == mdoc->last->body->child)
1343 if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
1344 return(0);
1345 /* FALLTHROUGH */
1346 case (LIST_item):
1347 if (mdoc->last->head->child)
1348 if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST))
1349 return(0);
1350 break;
1351 case (LIST_column):
1352 cols = (int)n->data.Bl->ncols;
1353
1354 assert(NULL == mdoc->last->head->child);
1355
1356 if (NULL == mdoc->last->body->child)
1357 if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
1358 return(0);
1359
1360 for (i = 0, c = mdoc->last->child; c; c = c->next)
1361 if (MDOC_BODY == c->type)
1362 i++;
1363
1364 if (i < cols)
1365 er = MANDOCERR_ARGCOUNT;
1366 else if (i == cols || i == cols + 1)
1367 break;
1368 else
1369 er = MANDOCERR_SYNTARGCOUNT;
1370
1371 rc = mdoc_vmsg(mdoc, er,
1372 mdoc->last->line, mdoc->last->pos,
1373 "columns == %d (have %d)", cols, i);
1374 return(rc);
1375 default:
1376 break;
1377 }
1378
1379 return(1);
1380 }
1381
1382 static int
1383 post_bl_block(POST_ARGS)
1384 {
1385 struct mdoc_node *n;
1386
1387 /*
1388 * These are fairly complicated, so we've broken them into two
1389 * functions. post_bl_block_tag() is called when a -tag is
1390 * specified, but no -width (it must be guessed). The second
1391 * when a -width is specified (macro indicators must be
1392 * rewritten into real lengths).
1393 */
1394
1395 n = mdoc->last;
1396
1397 if (LIST_tag == n->data.Bl->type &&
1398 NULL == n->data.Bl->width) {
1399 if ( ! post_bl_block_tag(mdoc))
1400 return(0);
1401 } else if (NULL != n->data.Bl->width) {
1402 if ( ! post_bl_block_width(mdoc))
1403 return(0);
1404 } else
1405 return(1);
1406
1407 assert(n->data.Bl->width);
1408 return(1);
1409 }
1410
1411 static int
1412 post_bl_block_width(POST_ARGS)
1413 {
1414 size_t width;
1415 int i;
1416 enum mdoct tok;
1417 struct mdoc_node *n;
1418 char buf[NUMSIZ];
1419
1420 n = mdoc->last;
1421
1422 /*
1423 * Calculate the real width of a list from the -width string,
1424 * which may contain a macro (with a known default width), a
1425 * literal string, or a scaling width.
1426 *
1427 * If the value to -width is a macro, then we re-write it to be
1428 * the macro's width as set in share/tmac/mdoc/doc-common.
1429 */
1430
1431 if (0 == strcmp(n->data.Bl->width, "Ds"))
1432 width = 6;
1433 else if (MDOC_MAX == (tok = mdoc_hash_find(n->data.Bl->width)))
1434 return(1);
1435 else if (0 == (width = mdoc_macro2len(tok)))
1436 return(mdoc_nmsg(mdoc, n, MANDOCERR_BADWIDTH));
1437
1438 /* The value already exists: free and reallocate it. */
1439
1440 assert(n->args);
1441
1442 for (i = 0; i < (int)n->args->argc; i++)
1443 if (MDOC_Width == n->args->argv[i].arg)
1444 break;
1445
1446 assert(i < (int)n->args->argc);
1447
1448 snprintf(buf, NUMSIZ, "%zun", width);
1449 free(n->args->argv[i].value[0]);
1450 n->args->argv[i].value[0] = mandoc_strdup(buf);
1451
1452 /* Set our width! */
1453 n->data.Bl->width = n->args->argv[i].value[0];
1454 return(1);
1455 }
1456
1457 static int
1458 post_bl_block_tag(POST_ARGS)
1459 {
1460 struct mdoc_node *n, *nn;
1461 size_t sz, ssz;
1462 int i;
1463 char buf[NUMSIZ];
1464
1465 /*
1466 * Calculate the -width for a `Bl -tag' list if it hasn't been
1467 * provided. Uses the first head macro. NOTE AGAIN: this is
1468 * ONLY if the -width argument has NOT been provided. See
1469 * post_bl_block_width() for converting the -width string.
1470 */
1471
1472 sz = 10;
1473 n = mdoc->last;
1474
1475 for (nn = n->body->child; nn; nn = nn->next) {
1476 if (MDOC_It != nn->tok)
1477 continue;
1478
1479 assert(MDOC_BLOCK == nn->type);
1480 nn = nn->head->child;
1481
1482 if (nn == NULL) {
1483 /* No -width for .Bl and first .It is emtpy */
1484 if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_NOWIDTHARG))
1485 return(0);
1486 break;
1487 }
1488
1489 if (MDOC_TEXT == nn->type) {
1490 sz = strlen(nn->string) + 1;
1491 break;
1492 }
1493
1494 if (0 != (ssz = mdoc_macro2len(nn->tok)))
1495 sz = ssz;
1496 else if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_NOWIDTHARG))
1497 return(0);
1498
1499 break;
1500 }
1501
1502 /* Defaults to ten ens. */
1503
1504 snprintf(buf, NUMSIZ, "%zun", sz);
1505
1506 /*
1507 * We have to dynamically add this to the macro's argument list.
1508 * We're guaranteed that a MDOC_Width doesn't already exist.
1509 */
1510
1511 assert(n->args);
1512 i = (int)(n->args->argc)++;
1513
1514 n->args->argv = mandoc_realloc(n->args->argv,
1515 n->args->argc * sizeof(struct mdoc_argv));
1516
1517 n->args->argv[i].arg = MDOC_Width;
1518 n->args->argv[i].line = n->line;
1519 n->args->argv[i].pos = n->pos;
1520 n->args->argv[i].sz = 1;
1521 n->args->argv[i].value = mandoc_malloc(sizeof(char *));
1522 n->args->argv[i].value[0] = mandoc_strdup(buf);
1523
1524 /* Set our width! */
1525 n->data.Bl->width = n->args->argv[i].value[0];
1526 return(1);
1527 }
1528
1529
1530 static int
1531 post_bl_head(POST_ARGS)
1532 {
1533 struct mdoc_node *np, *nn, *nnp;
1534 int i, j;
1535
1536 if (LIST_column != mdoc->last->data.Bl->type)
1537 /* FIXME: this should be ERROR class... */
1538 return(hwarn_eq0(mdoc));
1539
1540 /*
1541 * Convert old-style lists, where the column width specifiers
1542 * trail as macro parameters, to the new-style ("normal-form")
1543 * lists where they're argument values following -column.
1544 */
1545
1546 /* First, disallow both types and allow normal-form. */
1547
1548 /*
1549 * TODO: technically, we can accept both and just merge the two
1550 * lists, but I'll leave that for another day.
1551 */
1552
1553 if (mdoc->last->data.Bl->ncols && mdoc->last->nchild) {
1554 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_COLUMNS);
1555 return(0);
1556 } else if (NULL == mdoc->last->child)
1557 return(1);
1558
1559 np = mdoc->last->parent;
1560 assert(np->args);
1561
1562 for (j = 0; j < (int)np->args->argc; j++)
1563 if (MDOC_Column == np->args->argv[j].arg)
1564 break;
1565
1566 assert(j < (int)np->args->argc);
1567 assert(0 == np->args->argv[j].sz);
1568
1569 /*
1570 * Accomodate for new-style groff column syntax. Shuffle the
1571 * child nodes, all of which must be TEXT, as arguments for the
1572 * column field. Then, delete the head children.
1573 */
1574
1575 np->args->argv[j].sz = (size_t)mdoc->last->nchild;
1576 np->args->argv[j].value = mandoc_malloc
1577 ((size_t)mdoc->last->nchild * sizeof(char *));
1578
1579 mdoc->last->data.Bl->ncols = np->args->argv[j].sz;
1580 mdoc->last->data.Bl->cols = (const char **)np->args->argv[j].value;
1581
1582 for (i = 0, nn = mdoc->last->child; nn; i++) {
1583 np->args->argv[j].value[i] = nn->string;
1584 nn->string = NULL;
1585 nnp = nn;
1586 nn = nn->next;
1587 mdoc_node_delete(NULL, nnp);
1588 }
1589
1590 mdoc->last->nchild = 0;
1591 mdoc->last->child = NULL;
1592
1593 return(1);
1594 }
1595
1596 static int
1597 post_bl(POST_ARGS)
1598 {
1599 struct mdoc_node *n;
1600
1601 if (MDOC_HEAD == mdoc->last->type)
1602 return(post_bl_head(mdoc));
1603 if (MDOC_BLOCK == mdoc->last->type)
1604 return(post_bl_block(mdoc));
1605 if (MDOC_BODY != mdoc->last->type)
1606 return(1);
1607 if (NULL == mdoc->last->child)
1608 return(1);
1609
1610 /*
1611 * We only allow certain children of `Bl'. This is usually on
1612 * `It', but apparently `Sm' occurs here and there, so we let
1613 * that one through, too.
1614 */
1615
1616 /* LINTED */
1617 for (n = mdoc->last->child; n; n = n->next) {
1618 if (MDOC_BLOCK == n->type && MDOC_It == n->tok)
1619 continue;
1620 if (MDOC_Sm == n->tok)
1621 continue;
1622 mdoc_nmsg(mdoc, n, MANDOCERR_SYNTCHILD);
1623 return(0);
1624 }
1625
1626 return(1);
1627 }
1628
1629
1630 static int
1631 ebool(struct mdoc *mdoc)
1632 {
1633 struct mdoc_node *n;
1634
1635 /* LINTED */
1636 for (n = mdoc->last->child; n; n = n->next) {
1637 if (MDOC_TEXT != n->type)
1638 break;
1639 if (0 == strcmp(n->string, "on"))
1640 continue;
1641 if (0 == strcmp(n->string, "off"))
1642 continue;
1643 break;
1644 }
1645
1646 if (NULL == n)
1647 return(1);
1648 return(mdoc_nmsg(mdoc, n, MANDOCERR_BADBOOL));
1649 }
1650
1651
1652 static int
1653 post_root(POST_ARGS)
1654 {
1655
1656 if (NULL == mdoc->first->child)
1657 mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
1658 else if ( ! (MDOC_PBODY & mdoc->flags))
1659 mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCPROLOG);
1660 else if (MDOC_BLOCK != mdoc->first->child->type)
1661 mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
1662 else if (MDOC_Sh != mdoc->first->child->tok)
1663 mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
1664 else
1665 return(1);
1666
1667 return(0);
1668 }
1669
1670 static int
1671 post_st(POST_ARGS)
1672 {
1673 const char *p;
1674
1675 assert(MDOC_TEXT == mdoc->last->child->type);
1676
1677 p = mdoc_a2st(mdoc->last->child->string);
1678
1679 if (p == NULL) {
1680 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADSTANDARD);
1681 mdoc_node_delete(mdoc, mdoc->last);
1682 } else {
1683 free(mdoc->last->child->string);
1684 mdoc->last->child->string = mandoc_strdup(p);
1685 }
1686
1687 return(1);
1688 }
1689
1690 static int
1691 post_rs(POST_ARGS)
1692 {
1693 struct mdoc_node *nn, *next, *prev;
1694 int i, j;
1695
1696 if (MDOC_BODY != mdoc->last->type)
1697 return(1);
1698
1699 /*
1700 * Make sure only certain types of nodes are allowed within the
1701 * the `Rs' body. Delete offending nodes and raise a warning.
1702 * Do this before re-ordering for the sake of clarity.
1703 */
1704
1705 next = NULL;
1706 for (nn = mdoc->last->child; nn; nn = next) {
1707 for (i = 0; i < RSORD_MAX; i++)
1708 if (nn->tok == rsord[i])
1709 break;
1710
1711 if (i < RSORD_MAX) {
1712 next = nn->next;
1713 continue;
1714 }
1715
1716 next = nn->next;
1717 mdoc_nmsg(mdoc, nn, MANDOCERR_CHILD);
1718 mdoc_node_delete(mdoc, nn);
1719 }
1720
1721 /*
1722 * The full `Rs' block needs special handling to order the
1723 * sub-elements according to `rsord'. Pick through each element
1724 * and correctly order it. This is a insertion sort.
1725 */
1726
1727 next = NULL;
1728 for (nn = mdoc->last->child->next; nn; nn = next) {
1729 /* Determine order of `nn'. */
1730 for (i = 0; i < RSORD_MAX; i++)
1731 if (rsord[i] == nn->tok)
1732 break;
1733
1734 /*
1735 * Remove `nn' from the chain. This somewhat
1736 * repeats mdoc_node_unlink(), but since we're
1737 * just re-ordering, there's no need for the
1738 * full unlink process.
1739 */
1740
1741 if (NULL != (next = nn->next))
1742 next->prev = nn->prev;
1743
1744 if (NULL != (prev = nn->prev))
1745 prev->next = nn->next;
1746
1747 nn->prev = nn->next = NULL;
1748
1749 /*
1750 * Scan back until we reach a node that's
1751 * ordered before `nn'.
1752 */
1753
1754 for ( ; prev ; prev = prev->prev) {
1755 /* Determine order of `prev'. */
1756 for (j = 0; j < RSORD_MAX; j++)
1757 if (rsord[j] == prev->tok)
1758 break;
1759
1760 if (j <= i)
1761 break;
1762 }
1763
1764 /*
1765 * Set `nn' back into its correct place in front
1766 * of the `prev' node.
1767 */
1768
1769 nn->prev = prev;
1770
1771 if (prev) {
1772 if (prev->next)
1773 prev->next->prev = nn;
1774 nn->next = prev->next;
1775 prev->next = nn;
1776 } else {
1777 mdoc->last->child->prev = nn;
1778 nn->next = mdoc->last->child;
1779 mdoc->last->child = nn;
1780 }
1781 }
1782
1783 return(1);
1784 }
1785
1786
1787 static int
1788 post_sh(POST_ARGS)
1789 {
1790
1791 if (MDOC_HEAD == mdoc->last->type)
1792 return(post_sh_head(mdoc));
1793 if (MDOC_BODY == mdoc->last->type)
1794 return(post_sh_body(mdoc));
1795
1796 return(1);
1797 }
1798
1799
1800 static int
1801 post_sh_body(POST_ARGS)
1802 {
1803 struct mdoc_node *n;
1804
1805 if (SEC_NAME != mdoc->lastsec)
1806 return(1);
1807
1808 /*
1809 * Warn if the NAME section doesn't contain the `Nm' and `Nd'
1810 * macros (can have multiple `Nm' and one `Nd'). Note that the
1811 * children of the BODY declaration can also be "text".
1812 */
1813
1814 if (NULL == (n = mdoc->last->child))
1815 return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC));
1816
1817 for ( ; n && n->next; n = n->next) {
1818 if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
1819 continue;
1820 if (MDOC_TEXT == n->type)
1821 continue;
1822 if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC))
1823 return(0);
1824 }
1825
1826 assert(n);
1827 if (MDOC_BLOCK == n->type && MDOC_Nd == n->tok)
1828 return(1);
1829 return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC));
1830 }
1831
1832
1833 static int
1834 post_sh_head(POST_ARGS)
1835 {
1836 char buf[BUFSIZ];
1837 enum mdoc_sec sec;
1838
1839 /*
1840 * Process a new section. Sections are either "named" or
1841 * "custom". Custom sections are user-defined, while named ones
1842 * follow a conventional order and may only appear in certain
1843 * manual sections.
1844 */
1845
1846 if ( ! concat(mdoc, buf, mdoc->last->child, BUFSIZ))
1847 return(0);
1848
1849 sec = mdoc_str2sec(buf);
1850
1851 /* The NAME should be first. */
1852
1853 if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed)
1854 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NAMESECFIRST);
1855
1856 /* The SYNOPSIS gets special attention in other areas. */
1857
1858 if (SEC_SYNOPSIS == sec)
1859 mdoc->flags |= MDOC_SYNOPSIS;
1860 else
1861 mdoc->flags &= ~MDOC_SYNOPSIS;
1862
1863 /* Mark our last section. */
1864
1865 mdoc->lastsec = sec;
1866
1867 /* We don't care about custom sections after this. */
1868
1869 if (SEC_CUSTOM == sec)
1870 return(1);
1871
1872 /*
1873 * Check whether our non-custom section is being repeated or is
1874 * out of order.
1875 */
1876
1877 if (sec == mdoc->lastnamed)
1878 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECREP);
1879
1880 if (sec < mdoc->lastnamed)
1881 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECOOO);
1882
1883 /* Mark the last named section. */
1884
1885 mdoc->lastnamed = sec;
1886
1887 /* Check particular section/manual conventions. */
1888
1889 assert(mdoc->meta.msec);
1890
1891 switch (sec) {
1892 case (SEC_RETURN_VALUES):
1893 /* FALLTHROUGH */
1894 case (SEC_ERRORS):
1895 /* FALLTHROUGH */
1896 case (SEC_LIBRARY):
1897 if (*mdoc->meta.msec == '2')
1898 break;
1899 if (*mdoc->meta.msec == '3')
1900 break;
1901 if (*mdoc->meta.msec == '9')
1902 break;
1903 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECMSEC);
1904 break;
1905 default:
1906 break;
1907 }
1908
1909 return(1);
1910 }
1911
1912 static int
1913 pre_par(PRE_ARGS)
1914 {
1915
1916 if (NULL == mdoc->last)
1917 return(1);
1918
1919 /*
1920 * Don't allow prior `Lp' or `Pp' prior to a paragraph-type
1921 * block: `Lp', `Pp', or non-compact `Bd' or `Bl'.
1922 */
1923
1924 if (MDOC_Pp != mdoc->last->tok && MDOC_Lp != mdoc->last->tok)
1925 return(1);
1926
1927 if (MDOC_Bl == n->tok && n->data.Bl->comp)
1928 return(1);
1929 if (MDOC_Bd == n->tok && n->data.Bd->comp)
1930 return(1);
1931
1932 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_IGNPAR);
1933 mdoc_node_delete(mdoc, mdoc->last);
1934 return(1);
1935 }
1936
1937 static int
1938 pre_literal(PRE_ARGS)
1939 {
1940
1941 if (MDOC_BODY != n->type)
1942 return(1);
1943
1944 /*
1945 * The `Dl' (note "el" not "one") and `Bd -literal' and `Bd
1946 * -unfilled' macros set MDOC_LITERAL on entrance to the body.
1947 */
1948
1949 switch (n->tok) {
1950 case (MDOC_Dl):
1951 mdoc->flags |= MDOC_LITERAL;
1952 break;
1953 case (MDOC_Bd):
1954 assert(n->data.Bd);
1955 if (DISP_literal == n->data.Bd->type)
1956 mdoc->flags |= MDOC_LITERAL;
1957 if (DISP_unfilled == n->data.Bd->type)
1958 mdoc->flags |= MDOC_LITERAL;
1959 break;
1960 default:
1961 abort();
1962 /* NOTREACHED */
1963 }
1964
1965 return(1);
1966 }
1967
1968 static int
1969 post_dd(POST_ARGS)
1970 {
1971 char buf[DATESIZ];
1972 struct mdoc_node *n;
1973
1974 n = mdoc->last;
1975
1976 if (NULL == n->child) {
1977 mdoc->meta.date = time(NULL);
1978 return(post_prol(mdoc));
1979 }
1980
1981 if ( ! concat(mdoc, buf, n->child, DATESIZ))
1982 return(0);
1983
1984 mdoc->meta.date = mandoc_a2time
1985 (MTIME_MDOCDATE | MTIME_CANONICAL, buf);
1986
1987 if (0 == mdoc->meta.date) {
1988 if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_BADDATE))
1989 return(0);
1990 mdoc->meta.date = time(NULL);
1991 }
1992
1993 return(1);
1994 }
1995
1996 static int
1997 post_dt(POST_ARGS)
1998 {
1999 struct mdoc_node *nn, *n;
2000 const char *cp;
2001 char *p;
2002
2003 n = mdoc->last;
2004
2005 if (mdoc->meta.title)
2006 free(mdoc->meta.title);
2007 if (mdoc->meta.vol)
2008 free(mdoc->meta.vol);
2009 if (mdoc->meta.arch)
2010 free(mdoc->meta.arch);
2011
2012 mdoc->meta.title = mdoc->meta.vol = mdoc->meta.arch = NULL;
2013
2014 /* First make all characters uppercase. */
2015
2016 if (NULL != (nn = n->child))
2017 for (p = nn->string; *p; p++) {
2018 if (toupper((u_char)*p) == *p)
2019 continue;
2020 if ( ! mdoc_nmsg(mdoc, nn, MANDOCERR_UPPERCASE))
2021 return(0);
2022 break;
2023 }
2024
2025 /* Handles: `.Dt'
2026 * --> title = unknown, volume = local, msec = 0, arch = NULL
2027 */
2028
2029 if (NULL == (nn = n->child)) {
2030 /* XXX: make these macro values. */
2031 /* FIXME: warn about missing values. */
2032 mdoc->meta.title = mandoc_strdup("UNKNOWN");
2033 mdoc->meta.vol = mandoc_strdup("LOCAL");
2034 mdoc->meta.msec = mandoc_strdup("1");
2035 return(1);
2036 }
2037
2038 /* Handles: `.Dt TITLE'
2039 * --> title = TITLE, volume = local, msec = 0, arch = NULL
2040 */
2041
2042 mdoc->meta.title = mandoc_strdup
2043 ('\0' == nn->string[0] ? "UNKNOWN" : nn->string);
2044
2045 if (NULL == (nn = nn->next)) {
2046 /* FIXME: warn about missing msec. */
2047 /* XXX: make this a macro value. */
2048 mdoc->meta.vol = mandoc_strdup("LOCAL");
2049 mdoc->meta.msec = mandoc_strdup("1");
2050 return(1);
2051 }
2052
2053 /* Handles: `.Dt TITLE SEC'
2054 * --> title = TITLE, volume = SEC is msec ?
2055 * format(msec) : SEC,
2056 * msec = SEC is msec ? atoi(msec) : 0,
2057 * arch = NULL
2058 */
2059
2060 cp = mdoc_a2msec(nn->string);
2061 if (cp) {
2062 mdoc->meta.vol = mandoc_strdup(cp);
2063 mdoc->meta.msec = mandoc_strdup(nn->string);
2064 } else if (mdoc_nmsg(mdoc, n, MANDOCERR_BADMSEC)) {
2065 mdoc->meta.vol = mandoc_strdup(nn->string);
2066 mdoc->meta.msec = mandoc_strdup(nn->string);
2067 } else
2068 return(0);
2069
2070 if (NULL == (nn = nn->next))
2071 return(1);
2072
2073 /* Handles: `.Dt TITLE SEC VOL'
2074 * --> title = TITLE, volume = VOL is vol ?
2075 * format(VOL) :
2076 * VOL is arch ? format(arch) :
2077 * VOL
2078 */
2079
2080 cp = mdoc_a2vol(nn->string);
2081 if (cp) {
2082 free(mdoc->meta.vol);
2083 mdoc->meta.vol = mandoc_strdup(cp);
2084 } else {
2085 /* FIXME: warn about bad arch. */
2086 cp = mdoc_a2arch(nn->string);
2087 if (NULL == cp) {
2088 free(mdoc->meta.vol);
2089 mdoc->meta.vol = mandoc_strdup(nn->string);
2090 } else
2091 mdoc->meta.arch = mandoc_strdup(cp);
2092 }
2093
2094 /* Ignore any subsequent parameters... */
2095 /* FIXME: warn about subsequent parameters. */
2096
2097 return(1);
2098 }
2099
2100 static int
2101 post_prol(POST_ARGS)
2102 {
2103 /*
2104 * Remove prologue macros from the document after they're
2105 * processed. The final document uses mdoc_meta for these
2106 * values and discards the originals.
2107 */
2108
2109 mdoc_node_delete(mdoc, mdoc->last);
2110 if (mdoc->meta.title && mdoc->meta.date && mdoc->meta.os)
2111 mdoc->flags |= MDOC_PBODY;
2112
2113 return(1);
2114 }
2115
2116 static int
2117 post_os(POST_ARGS)
2118 {
2119 struct mdoc_node *n;
2120 char buf[BUFSIZ];
2121 #ifndef OSNAME
2122 struct utsname utsname;
2123 #endif
2124
2125 n = mdoc->last;
2126
2127 /*
2128 * Set the operating system by way of the `Os' macro. Note that
2129 * if an argument isn't provided and -DOSNAME="\"foo\"" is
2130 * provided during compilation, this value will be used instead
2131 * of filling in "sysname release" from uname().
2132 */
2133
2134 if (mdoc->meta.os)
2135 free(mdoc->meta.os);
2136
2137 if ( ! concat(mdoc, buf, n->child, BUFSIZ))
2138 return(0);
2139
2140 /* XXX: yes, these can all be dynamically-adjusted buffers, but
2141 * it's really not worth the extra hackery.
2142 */
2143
2144 if ('\0' == buf[0]) {
2145 #ifdef OSNAME
2146 if (strlcat(buf, OSNAME, BUFSIZ) >= BUFSIZ) {
2147 mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
2148 return(0);
2149 }
2150 #else /*!OSNAME */
2151 if (-1 == uname(&utsname))
2152 return(mdoc_nmsg(mdoc, n, MANDOCERR_UTSNAME));
2153
2154 if (strlcat(buf, utsname.sysname, BUFSIZ) >= BUFSIZ) {
2155 mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
2156 return(0);
2157 }
2158 if (strlcat(buf, " ", 64) >= BUFSIZ) {
2159 mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
2160 return(0);
2161 }
2162 if (strlcat(buf, utsname.release, BUFSIZ) >= BUFSIZ) {
2163 mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
2164 return(0);
2165 }
2166 #endif /*!OSNAME*/
2167 }
2168
2169 mdoc->meta.os = mandoc_strdup(buf);
2170 return(1);
2171 }
2172
2173 static int
2174 post_std(POST_ARGS)
2175 {
2176 struct mdoc_node *nn, *n;
2177
2178 n = mdoc->last;
2179
2180 /*
2181 * Macros accepting `-std' as an argument have the name of the
2182 * current document (`Nm') filled in as the argument if it's not
2183 * provided.
2184 */
2185
2186 if (n->child)
2187 return(1);
2188 if (NULL == mdoc->meta.name)
2189 return(1);
2190
2191 nn = n;
2192 mdoc->next = MDOC_NEXT_CHILD;
2193
2194 if ( ! mdoc_word_alloc(mdoc, n->line, n->pos, mdoc->meta.name))
2195 return(0);
2196 mdoc->last = nn;
2197 return(1);
2198 }
2199
2200 static int
2201 concat(struct mdoc *m, char *p, const struct mdoc_node *n, size_t sz)
2202 {
2203
2204 p[0] = '\0';
2205
2206 /*
2207 * Concatenate sibling nodes together. All siblings must be of
2208 * type MDOC_TEXT or an assertion is raised. Concatenation is
2209 * separated by a single whitespace.
2210 */
2211
2212 for ( ; n; n = n->next) {
2213 assert(MDOC_TEXT == n->type);
2214
2215 if (strlcat(p, n->string, sz) >= sz) {
2216 mdoc_nmsg(m, n, MANDOCERR_MEM);
2217 return(0);
2218 }
2219
2220 if (NULL == n->next)
2221 continue;
2222
2223 if (strlcat(p, " ", sz) >= sz) {
2224 mdoc_nmsg(m, n, MANDOCERR_MEM);
2225 return(0);
2226 }
2227 }
2228
2229 return(1);
2230 }
2231
A git conversion mirror of mandoc.bsd.lv