1 /* $Id: man_validate.c,v 1.33 2010/03/29 10:10:35 kristaps Exp $ */
3 * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
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.
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.
17 #include <sys/types.h>
27 #include "libmandoc.h"
29 #define CHKARGS struct man *m, const struct man_node *n
31 typedef int (*v_check)(CHKARGS);
38 static int check_bline(CHKARGS);
39 static int check_eq0(CHKARGS);
40 static int check_le1(CHKARGS);
41 static int check_ge2(CHKARGS);
42 static int check_le5(CHKARGS);
43 static int check_par(CHKARGS);
44 static int check_part(CHKARGS);
45 static int check_roff(CHKARGS);
46 static int check_root(CHKARGS);
47 static int check_sec(CHKARGS);
48 static int check_text(CHKARGS);
49 static int check_title(CHKARGS);
51 static v_check posts_eq0[] = { check_eq0, NULL };
52 static v_check posts_th[] = { check_ge2, check_le5, check_title, NULL };
53 static v_check posts_par[] = { check_par, NULL };
54 static v_check posts_part[] = { check_part, NULL };
55 static v_check posts_sec[] = { check_sec, NULL };
56 static v_check posts_le1[] = { check_le1, NULL };
57 static v_check pres_bline[] = { check_bline, NULL };
58 static v_check pres_roff[] = { check_roff, NULL };
60 static const struct man_valid man_valids[MAN_MAX] = {
61 { NULL, posts_eq0 }, /* br */
62 { pres_bline, posts_th }, /* TH */
63 { pres_bline, posts_sec }, /* SH */
64 { pres_bline, posts_sec }, /* SS */
65 { pres_bline, posts_par }, /* TP */
66 { pres_bline, posts_par }, /* LP */
67 { pres_bline, posts_par }, /* PP */
68 { pres_bline, posts_par }, /* P */
69 { pres_bline, posts_par }, /* IP */
70 { pres_bline, posts_par }, /* HP */
71 { NULL, NULL }, /* SM */
72 { NULL, NULL }, /* SB */
73 { NULL, NULL }, /* BI */
74 { NULL, NULL }, /* IB */
75 { NULL, NULL }, /* BR */
76 { NULL, NULL }, /* RB */
77 { NULL, NULL }, /* R */
78 { NULL, NULL }, /* B */
79 { NULL, NULL }, /* I */
80 { NULL, NULL }, /* IR */
81 { NULL, NULL }, /* RI */
82 { NULL, posts_eq0 }, /* na */
83 { NULL, NULL }, /* i */
84 { NULL, posts_le1 }, /* sp */
85 { pres_bline, posts_eq0 }, /* nf */
86 { pres_bline, posts_eq0 }, /* fi */
87 { NULL, NULL }, /* r */
88 { NULL, NULL }, /* RE */
89 { NULL, posts_part }, /* RS */
90 { NULL, NULL }, /* DT */
91 { NULL, NULL }, /* UC */
92 { NULL, NULL }, /* PD */
93 { NULL, posts_eq0 }, /* Sp */
94 { pres_bline, posts_le1 }, /* Vb */
95 { pres_bline, posts_eq0 }, /* Ve */
96 { pres_roff, NULL }, /* de */
97 { pres_roff, NULL }, /* dei */
98 { pres_roff, NULL }, /* am */
99 { pres_roff, NULL }, /* ami */
100 { pres_roff, NULL }, /* ig */
101 { NULL, NULL }, /* . */
106 man_valid_pre(struct man *m, const struct man_node *n)
110 if (MAN_TEXT == n->type)
112 if (MAN_ROOT == n->type)
115 if (NULL == (cp = man_valids[n->tok].pres))
125 man_valid_post(struct man *m)
129 if (MAN_VALID & m->last->flags)
131 m->last->flags |= MAN_VALID;
133 switch (m->last->type) {
135 return(check_text(m, m->last));
137 return(check_root(m, m->last));
142 if (NULL == (cp = man_valids[m->last->tok].posts))
145 if ( ! (*cp)(m, m->last))
156 if (MAN_BLINE & m->flags)
157 return(man_nwarn(m, n, WEXITSCOPE));
158 if (MAN_ELINE & m->flags)
159 return(man_nwarn(m, n, WEXITSCOPE));
161 m->flags &= ~MAN_BLINE;
162 m->flags &= ~MAN_ELINE;
164 if (NULL == m->first->child)
165 return(man_nerr(m, n, WNODATA));
166 if (NULL == m->meta.title)
167 return(man_nerr(m, n, WNOTITLE));
179 if ('\0' == *n->child->string)
180 return(man_nerr(m, n, WNOTITLE));
182 for (p = n->child->string; '\0' != *p; p++)
183 if (isalpha((u_char)*p) && ! isupper((u_char)*p))
184 if ( ! man_nwarn(m, n, WTITLECASE))
199 for (p = n->string, pos = n->pos + 1; *p; p++, pos++) {
201 c = mandoc_special(p);
207 if ( ! (MAN_IGN_ESCAPE & m->pflags))
208 return(man_perr(m, n->line, pos, WESCAPE));
209 if ( ! man_pwarn(m, n->line, pos, WESCAPE))
214 if ('\t' == *p || isprint((u_char)*p))
217 if (MAN_IGN_CHARS & m->pflags)
218 return(man_pwarn(m, n->line, pos, WNPRINT));
219 return(man_perr(m, n->line, pos, WNPRINT));
226 #define INEQ_DEFINE(x, ineq, name) \
228 check_##name(CHKARGS) \
230 if (n->nchild ineq (x)) \
232 return(man_verr(m, n->line, n->pos, \
233 "expected line arguments %s %d, have %d", \
234 #ineq, (x), n->nchild)); \
237 INEQ_DEFINE(0, ==, eq0)
238 INEQ_DEFINE(1, <=, le1)
239 INEQ_DEFINE(2, >=, ge2)
240 INEQ_DEFINE(5, <=, le5)
247 if (MAN_BODY == n->type && 0 == n->nchild)
248 return(man_nwarn(m, n, WBODYARGS));
249 if (MAN_HEAD == n->type && 0 == n->nchild)
250 return(man_nerr(m, n, WHEADARGS));
259 if (MAN_BODY == n->type && 0 == n->nchild)
260 return(man_nwarn(m, n, WBODYARGS));
269 if (MAN_BODY == n->type)
276 /* Body-less lists are ok. */
281 return(man_nwarn(m, n, WBODYARGS));
283 if (MAN_HEAD == n->type)
292 return(man_nwarn(m, n, WNHEADARGS));
296 return(man_nwarn(m, n, WHEADARGS));
307 assert( ! (MAN_ELINE & m->flags));
308 if (MAN_BLINE & m->flags)
309 return(man_nerr(m, n, WLNSCOPE));
319 if (MAN_BLOCK != n->type)
322 for (n = n->parent; n; n = n->parent)
323 if (MAN_de == n->tok || MAN_dei == n->tok ||
327 return(man_nerr(m, n, WROFFNEST));