1 /* $Id: man_validate.c,v 1.10 2009/10/21 19:13:50 schwarze 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_root(CHKARGS);
46 static int check_sec(CHKARGS);
47 static int check_text(CHKARGS);
49 static v_check posts_eq0[] = { check_eq0, NULL };
50 static v_check posts_ge2_le5[] = { check_ge2, check_le5, NULL };
51 static v_check posts_par[] = { check_par, NULL };
52 static v_check posts_part[] = { check_part, NULL };
53 static v_check posts_sec[] = { check_sec, NULL };
54 static v_check posts_sp[] = { check_le1, NULL };
55 static v_check pres_bline[] = { check_bline, NULL };
57 static const struct man_valid man_valids[MAN_MAX] = {
58 { pres_bline, posts_eq0 }, /* br */
59 { pres_bline, posts_ge2_le5 }, /* TH */
60 { pres_bline, posts_sec }, /* SH */
61 { pres_bline, posts_sec }, /* SS */
62 { pres_bline, posts_par }, /* TP */
63 { pres_bline, posts_par }, /* LP */
64 { pres_bline, posts_par }, /* PP */
65 { pres_bline, posts_par }, /* P */
66 { pres_bline, posts_par }, /* IP */
67 { pres_bline, posts_par }, /* HP */
68 { NULL, NULL }, /* SM */
69 { NULL, NULL }, /* SB */
70 { NULL, NULL }, /* BI */
71 { NULL, NULL }, /* IB */
72 { NULL, NULL }, /* BR */
73 { NULL, NULL }, /* RB */
74 { NULL, NULL }, /* R */
75 { NULL, NULL }, /* B */
76 { NULL, NULL }, /* I */
77 { NULL, NULL }, /* IR */
78 { NULL, NULL }, /* RI */
79 { pres_bline, posts_eq0 }, /* na */
80 { NULL, NULL }, /* i */
81 { pres_bline, posts_sp }, /* sp */
82 { pres_bline, posts_eq0 }, /* nf */
83 { pres_bline, posts_eq0 }, /* fi */
84 { NULL, NULL }, /* r */
85 { NULL, NULL }, /* RE */
86 { NULL, posts_part }, /* RS */
87 { NULL, NULL }, /* DT */
88 { NULL, NULL }, /* UC */
93 man_valid_pre(struct man *m, const struct man_node *n)
97 if (MAN_TEXT == n->type)
99 if (MAN_ROOT == n->type)
102 if (NULL == (cp = man_valids[n->tok].pres))
112 man_valid_post(struct man *m)
116 if (MAN_VALID & m->last->flags)
118 m->last->flags |= MAN_VALID;
120 switch (m->last->type) {
122 return(check_text(m, m->last));
124 return(check_root(m, m->last));
129 if (NULL == (cp = man_valids[m->last->tok].posts))
132 if ( ! (*cp)(m, m->last))
143 if (MAN_BLINE & m->flags)
144 return(man_nwarn(m, n, WEXITSCOPE));
145 if (MAN_ELINE & m->flags)
146 return(man_nwarn(m, n, WEXITSCOPE));
148 m->flags &= ~MAN_BLINE;
149 m->flags &= ~MAN_ELINE;
151 if (NULL == m->first->child)
152 return(man_nerr(m, n, WNODATA));
153 if (NULL == m->meta.title)
154 return(man_nerr(m, n, WNOTITLE));
168 for (p = n->string, pos = n->pos + 1; *p; p++, pos++) {
170 c = mandoc_special(p);
176 if ( ! (MAN_IGN_ESCAPE & m->pflags))
177 return(man_perr(m, n->line, pos, WESCAPE));
178 if ( ! man_pwarn(m, n->line, pos, WESCAPE))
183 if ('\t' == *p || isprint((u_char)*p))
186 if (MAN_IGN_CHARS & m->pflags)
187 return(man_pwarn(m, n->line, pos, WNPRINT));
188 return(man_perr(m, n->line, pos, WNPRINT));
195 #define INEQ_DEFINE(x, ineq, name) \
197 check_##name(CHKARGS) \
199 if (n->nchild ineq (x)) \
201 return(man_verr(m, n->line, n->pos, \
202 "expected line arguments %s %d, have %d", \
203 #ineq, (x), n->nchild)); \
206 INEQ_DEFINE(0, ==, eq0)
207 INEQ_DEFINE(1, <=, le1)
208 INEQ_DEFINE(2, >=, ge2)
209 INEQ_DEFINE(5, <=, le5)
216 if (MAN_BODY == n->type && 0 == n->nchild)
217 return(man_nwarn(m, n, WBODYARGS));
218 if (MAN_HEAD == n->type && 0 == n->nchild)
219 return(man_nerr(m, n, WHEADARGS));
228 if (MAN_BODY == n->type && 0 == n->nchild)
229 return(man_nwarn(m, n, WBODYARGS));
238 if (MAN_BODY == n->type)
245 /* Body-less lists are ok. */
250 return(man_nwarn(m, n, WBODYARGS));
252 if (MAN_HEAD == n->type)
261 return(man_nwarn(m, n, WNHEADARGS));
265 return(man_nwarn(m, n, WHEADARGS));
276 assert( ! (MAN_ELINE & m->flags));
277 if (MAN_BLINE & m->flags)
278 return(man_nerr(m, n, WLNSCOPE));