1 /* $Id: man_validate.c,v 1.85 2012/11/17 00:26:33 schwarze Exp $ */
3 * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
4 * Copyright (c) 2010, 2012 Ingo Schwarze <schwarze@openbsd.org>
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
22 #include <sys/types.h>
36 #include "libmandoc.h"
38 #define CHKARGS struct man *man, struct man_node *n
40 typedef int (*v_check)(CHKARGS);
47 static int check_eq0(CHKARGS);
48 static int check_eq2(CHKARGS);
49 static int check_le1(CHKARGS);
50 static int check_ge2(CHKARGS);
51 static int check_le5(CHKARGS);
52 static int check_par(CHKARGS);
53 static int check_part(CHKARGS);
54 static int check_root(CHKARGS);
55 static void check_text(CHKARGS);
57 static int post_AT(CHKARGS);
58 static int post_IP(CHKARGS);
59 static int post_vs(CHKARGS);
60 static int post_fi(CHKARGS);
61 static int post_ft(CHKARGS);
62 static int post_nf(CHKARGS);
63 static int post_sec(CHKARGS);
64 static int post_TH(CHKARGS);
65 static int post_UC(CHKARGS);
66 static int pre_sec(CHKARGS);
68 static v_check posts_at[] = { post_AT, NULL };
69 static v_check posts_br[] = { post_vs, check_eq0, NULL };
70 static v_check posts_eq0[] = { check_eq0, NULL };
71 static v_check posts_eq2[] = { check_eq2, NULL };
72 static v_check posts_fi[] = { check_eq0, post_fi, NULL };
73 static v_check posts_ft[] = { post_ft, NULL };
74 static v_check posts_ip[] = { post_IP, NULL };
75 static v_check posts_le1[] = { check_le1, NULL };
76 static v_check posts_nf[] = { check_eq0, post_nf, NULL };
77 static v_check posts_par[] = { check_par, NULL };
78 static v_check posts_part[] = { check_part, NULL };
79 static v_check posts_sec[] = { post_sec, NULL };
80 static v_check posts_sp[] = { post_vs, check_le1, NULL };
81 static v_check posts_th[] = { check_ge2, check_le5, post_TH, NULL };
82 static v_check posts_uc[] = { post_UC, NULL };
83 static v_check pres_sec[] = { pre_sec, NULL };
85 static const struct man_valid man_valids[MAN_MAX] = {
86 { NULL, posts_br }, /* br */
87 { NULL, posts_th }, /* TH */
88 { pres_sec, posts_sec }, /* SH */
89 { pres_sec, posts_sec }, /* SS */
90 { NULL, NULL }, /* TP */
91 { NULL, posts_par }, /* LP */
92 { NULL, posts_par }, /* PP */
93 { NULL, posts_par }, /* P */
94 { NULL, posts_ip }, /* IP */
95 { NULL, NULL }, /* HP */
96 { NULL, NULL }, /* SM */
97 { NULL, NULL }, /* SB */
98 { NULL, NULL }, /* BI */
99 { NULL, NULL }, /* IB */
100 { NULL, NULL }, /* BR */
101 { NULL, NULL }, /* RB */
102 { NULL, NULL }, /* R */
103 { NULL, NULL }, /* B */
104 { NULL, NULL }, /* I */
105 { NULL, NULL }, /* IR */
106 { NULL, NULL }, /* RI */
107 { NULL, posts_eq0 }, /* na */
108 { NULL, posts_sp }, /* sp */
109 { NULL, posts_nf }, /* nf */
110 { NULL, posts_fi }, /* fi */
111 { NULL, NULL }, /* RE */
112 { NULL, posts_part }, /* RS */
113 { NULL, NULL }, /* DT */
114 { NULL, posts_uc }, /* UC */
115 { NULL, posts_le1 }, /* PD */
116 { NULL, posts_at }, /* AT */
117 { NULL, NULL }, /* in */
118 { NULL, posts_ft }, /* ft */
119 { NULL, posts_eq2 }, /* OP */
120 { NULL, posts_nf }, /* EX */
121 { NULL, posts_fi }, /* EE */
126 man_valid_pre(struct man *man, struct man_node *n)
143 if (NULL == (cp = man_valids[n->tok].pres))
146 if ( ! (*cp)(man, n))
153 man_valid_post(struct man *man)
157 if (MAN_VALID & man->last->flags)
159 man->last->flags |= MAN_VALID;
161 switch (man->last->type) {
163 check_text(man, man->last);
166 return(check_root(man, man->last));
175 if (NULL == (cp = man_valids[man->last->tok].posts))
178 if ( ! (*cp)(man, man->last))
189 if (MAN_BLINE & man->flags)
190 man_nmsg(man, n, MANDOCERR_SCOPEEXIT);
191 else if (MAN_ELINE & man->flags)
192 man_nmsg(man, n, MANDOCERR_SCOPEEXIT);
194 man->flags &= ~MAN_BLINE;
195 man->flags &= ~MAN_ELINE;
197 if (NULL == man->first->child) {
198 man_nmsg(man, n, MANDOCERR_NODOCBODY);
200 } else if (NULL == man->meta.title) {
201 man_nmsg(man, n, MANDOCERR_NOTITLE);
204 * If a title hasn't been set, do so now (by
205 * implication, date and section also aren't set).
208 man->meta.title = mandoc_strdup("unknown");
209 man->meta.msec = mandoc_strdup("1");
210 man->meta.date = mandoc_normdate
211 (man->parse, NULL, n->line, n->pos);
222 if (MAN_LITERAL & man->flags)
226 for (p = cp; NULL != (p = strchr(p, '\t')); p++)
227 man_pmsg(man, n->line, (int)(p - cp), MANDOCERR_BADTAB);
230 #define INEQ_DEFINE(x, ineq, name) \
232 check_##name(CHKARGS) \
234 if (n->nchild ineq (x)) \
236 mandoc_vmsg(MANDOCERR_ARGCOUNT, man->parse, n->line, n->pos, \
237 "line arguments %s %d (have %d)", \
238 #ineq, (x), n->nchild); \
242 INEQ_DEFINE(0, ==, eq0)
243 INEQ_DEFINE(2, ==, eq2)
244 INEQ_DEFINE(1, <=, le1)
245 INEQ_DEFINE(2, >=, ge2)
246 INEQ_DEFINE(5, <=, le5)
258 cp = n->child->string;
277 if ('\0' == cp[1] || ('I' == cp[1] && '\0' == cp[2]))
281 if ('W' == cp[1] && '\0' == cp[2])
290 (MANDOCERR_BADFONT, man->parse,
291 n->line, n->pos, "%s", cp);
297 (MANDOCERR_ARGCOUNT, man->parse, n->line,
298 n->pos, "want one child (have %d)",
308 if (MAN_BLOCK == n->type)
309 man->flags &= ~MAN_LITERAL;
317 if ( ! (MAN_HEAD == n->type && 0 == n->nchild))
320 man_nmsg(man, n, MANDOCERR_SYNTARGCOUNT);
328 if (MAN_BODY == n->type && 0 == n->nchild)
329 mandoc_msg(MANDOCERR_ARGCWARN, man->parse, n->line,
330 n->pos, "want children (have none)");
342 if (0 == n->body->nchild)
343 man_node_delete(man, n);
347 man_nmsg(man, n, MANDOCERR_IGNPAR);
351 man_nmsg(man, n, MANDOCERR_ARGSLOST);
366 if (0 == n->head->nchild && 0 == n->body->nchild)
367 man_node_delete(man, n);
370 if (0 == n->parent->head->nchild && 0 == n->nchild)
371 man_nmsg(man, n, MANDOCERR_IGNPAR);
385 free(man->meta.title);
387 free(man->meta.source);
388 free(man->meta.msec);
389 free(man->meta.date);
393 man->meta.title = man->meta.vol = man->meta.date =
394 man->meta.msec = man->meta.source = NULL;
396 /* ->TITLE<- MSEC DATE SOURCE VOL */
399 if (n && n->string) {
400 for (p = n->string; '\0' != *p; p++) {
401 /* Only warn about this once... */
402 if (isalpha((unsigned char)*p) &&
403 ! isupper((unsigned char)*p)) {
404 man_nmsg(man, n, MANDOCERR_UPPERCASE);
408 man->meta.title = mandoc_strdup(n->string);
410 man->meta.title = mandoc_strdup("");
412 /* TITLE ->MSEC<- DATE SOURCE VOL */
417 man->meta.msec = mandoc_strdup(n->string);
419 man->meta.msec = mandoc_strdup("");
421 /* TITLE MSEC ->DATE<- SOURCE VOL */
425 if (n && n->string && '\0' != n->string[0]) {
427 man->meta.date = mandoc_normdate
428 (man->parse, n->string, line, pos);
430 man->meta.date = mandoc_strdup("");
432 /* TITLE MSEC DATE ->SOURCE<- VOL */
434 if (n && (n = n->next))
435 man->meta.source = mandoc_strdup(n->string);
437 /* TITLE MSEC DATE SOURCE ->VOL<- */
438 /* If missing, use the default VOL name for MSEC. */
440 if (n && (n = n->next))
441 man->meta.vol = mandoc_strdup(n->string);
442 else if ('\0' != man->meta.msec[0] &&
443 (NULL != (p = mandoc_a2msec(man->meta.msec))))
444 man->meta.vol = mandoc_strdup(p);
447 * Remove the `TH' node after we've processed it for our
450 man_node_delete(man, man->last);
458 if (MAN_LITERAL & man->flags)
459 man_nmsg(man, n, MANDOCERR_SCOPEREP);
461 man->flags |= MAN_LITERAL;
469 if ( ! (MAN_LITERAL & man->flags))
470 man_nmsg(man, n, MANDOCERR_WNOSCOPE);
472 man->flags &= ~MAN_LITERAL;
479 static const char * const bsd_versions[] = {
480 "3rd Berkeley Distribution",
481 "4th Berkeley Distribution",
482 "4.2 Berkeley Distribution",
483 "4.3 Berkeley Distribution",
484 "4.4 Berkeley Distribution",
491 if (NULL == n || MAN_TEXT != n->type)
495 if (0 == strcmp(s, "3"))
497 else if (0 == strcmp(s, "4"))
499 else if (0 == strcmp(s, "5"))
501 else if (0 == strcmp(s, "6"))
503 else if (0 == strcmp(s, "7"))
509 free(man->meta.source);
510 man->meta.source = mandoc_strdup(p);
517 static const char * const unix_versions[] = {
521 "System V Release 2",
529 if (NULL == n || MAN_TEXT != n->type)
530 p = unix_versions[0];
533 if (0 == strcmp(s, "3"))
534 p = unix_versions[0];
535 else if (0 == strcmp(s, "4"))
536 p = unix_versions[1];
537 else if (0 == strcmp(s, "5")) {
539 if (nn && MAN_TEXT == nn->type && nn->string[0])
540 p = unix_versions[3];
542 p = unix_versions[2];
544 p = unix_versions[0];
547 free(man->meta.source);
548 man->meta.source = mandoc_strdup(p);
559 switch (n->parent->tok) {
563 man_nmsg(man, n, MANDOCERR_IGNPAR);
567 * Don't warn about this because it occurs in pod2man
568 * and would cause considerable (unfixable) warnage.
570 man_node_delete(man, n);