Annotation of mandoc/man_validate.c, Revision 1.14
1.14 ! kristaps 1: /* $Id: man_validate.c,v 1.13 2009/06/22 10:40:04 kristaps Exp $ */
1.1 kristaps 2: /*
1.9 kristaps 3: * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
1.1 kristaps 4: *
5: * Permission to use, copy, modify, and distribute this software for any
1.8 kristaps 6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 8: *
1.8 kristaps 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.
1.1 kristaps 16: */
17: #include <sys/types.h>
18:
19: #include <assert.h>
20: #include <ctype.h>
21: #include <stdarg.h>
22: #include <stdlib.h>
23:
24: #include "libman.h"
25:
1.11 kristaps 26: #define POSTARGS struct man *m, const struct man_node *n
1.1 kristaps 27:
28: typedef int (*v_post)(POSTARGS);
29:
30: struct man_valid {
31: v_post *posts;
32: };
33:
34: static int check_eq0(POSTARGS);
35: static int check_ge1(POSTARGS);
36: static int check_ge2(POSTARGS);
37: static int check_le1(POSTARGS);
38: static int check_le2(POSTARGS);
39: static int check_le5(POSTARGS);
1.11 kristaps 40: static int check_text(POSTARGS);
1.14 ! kristaps 41: static int check_root(POSTARGS);
1.1 kristaps 42:
43: static v_post posts_le1[] = { check_le1, NULL };
44: static v_post posts_le2[] = { check_le2, NULL };
45: static v_post posts_ge1[] = { check_ge1, NULL };
46: static v_post posts_eq0[] = { check_eq0, NULL };
47: static v_post posts_ge2_le5[] = { check_ge2, check_le5, NULL };
48:
49: static const struct man_valid man_valids[MAN_MAX] = {
1.10 kristaps 50: { posts_eq0 }, /* br */
1.1 kristaps 51: { posts_ge2_le5 }, /* TH */
52: { posts_ge1 }, /* SH */
53: { posts_ge1 }, /* SS */
1.4 kristaps 54: { NULL }, /* TP */
1.1 kristaps 55: { posts_eq0 }, /* LP */
56: { posts_eq0 }, /* PP */
57: { posts_eq0 }, /* P */
58: { posts_le2 }, /* IP */
59: { posts_le1 }, /* HP */
60: { NULL }, /* SM */
61: { NULL }, /* SB */
62: { NULL }, /* BI */
63: { NULL }, /* IB */
64: { NULL }, /* BR */
65: { NULL }, /* RB */
66: { NULL }, /* R */
67: { NULL }, /* B */
68: { NULL }, /* I */
69: { NULL }, /* IR */
1.4 kristaps 70: { NULL }, /* RI */
1.6 kristaps 71: { posts_eq0 }, /* na */
1.7 kristaps 72: { NULL }, /* i */
1.1 kristaps 73: };
74:
75:
76: int
77: man_valid_post(struct man *m)
78: {
79: v_post *cp;
80:
81: if (MAN_VALID & m->last->flags)
82: return(1);
83: m->last->flags |= MAN_VALID;
84:
85: switch (m->last->type) {
86: case (MAN_TEXT):
1.11 kristaps 87: return(check_text(m, m->last));
1.1 kristaps 88: case (MAN_ROOT):
1.14 ! kristaps 89: return(check_root(m, m->last));
1.1 kristaps 90: default:
91: break;
92: }
93:
94: if (NULL == (cp = man_valids[m->last->tok].posts))
95: return(1);
96: for ( ; *cp; cp++)
97: if ( ! (*cp)(m, m->last))
98: return(0);
99:
100: return(1);
101: }
102:
103:
1.11 kristaps 104: static int
1.14 ! kristaps 105: check_root(POSTARGS)
! 106: {
! 107:
! 108: if (NULL == m->first->child)
! 109: return(man_nerr(m, n, WNODATA));
! 110: if (NULL == m->meta.title)
! 111: return(man_nerr(m, n, WNOTITLE));
! 112:
! 113: return(1);
! 114: }
! 115:
! 116:
! 117: static int
1.11 kristaps 118: check_text(POSTARGS)
119: {
120: const char *p;
121: int pos;
122:
123: assert(n->string);
124:
125: for (p = n->string, pos = n->pos + 1; *p; p++, pos++) {
126: if ('\t' == *p || isprint((u_char)*p))
127: continue;
128:
129: if (MAN_IGN_CHARS & m->pflags)
1.12 kristaps 130: return(man_pwarn(m, n->line, pos, WNPRINT));
131: return(man_perr(m, n->line, pos, WNPRINT));
1.11 kristaps 132: }
133:
134: return(1);
1.1 kristaps 135: }
136:
137:
138: #define INEQ_DEFINE(x, ineq, name) \
139: static int \
140: check_##name(POSTARGS) \
141: { \
1.11 kristaps 142: if (n->nchild ineq (x)) \
1.1 kristaps 143: return(1); \
1.4 kristaps 144: return(man_verr(m, n->line, n->pos, \
1.1 kristaps 145: "expected line arguments %s %d, have %d", \
1.11 kristaps 146: #ineq, (x), n->nchild)); \
1.1 kristaps 147: }
148:
149: INEQ_DEFINE(0, ==, eq0)
150: INEQ_DEFINE(1, >=, ge1)
151: INEQ_DEFINE(2, >=, ge2)
152: INEQ_DEFINE(1, <=, le1)
153: INEQ_DEFINE(2, <=, le2)
154: INEQ_DEFINE(5, <=, le5)
155:
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