Annotation of mandoc/man_validate.c, Revision 1.15
1.15 ! kristaps 1: /* $Id: man_validate.c,v 1.14 2009/06/22 13:09:17 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"
1.15 ! kristaps 25: #include "libmandoc.h"
1.1 kristaps 26:
1.11 kristaps 27: #define POSTARGS struct man *m, const struct man_node *n
1.1 kristaps 28:
29: typedef int (*v_post)(POSTARGS);
30:
31: struct man_valid {
32: v_post *posts;
33: };
34:
35: static int check_eq0(POSTARGS);
36: static int check_ge1(POSTARGS);
37: static int check_ge2(POSTARGS);
38: static int check_le1(POSTARGS);
39: static int check_le2(POSTARGS);
40: static int check_le5(POSTARGS);
1.11 kristaps 41: static int check_text(POSTARGS);
1.14 kristaps 42: static int check_root(POSTARGS);
1.1 kristaps 43:
44: static v_post posts_le1[] = { check_le1, NULL };
45: static v_post posts_le2[] = { check_le2, NULL };
46: static v_post posts_ge1[] = { check_ge1, NULL };
47: static v_post posts_eq0[] = { check_eq0, NULL };
48: static v_post posts_ge2_le5[] = { check_ge2, check_le5, NULL };
49:
50: static const struct man_valid man_valids[MAN_MAX] = {
1.10 kristaps 51: { posts_eq0 }, /* br */
1.1 kristaps 52: { posts_ge2_le5 }, /* TH */
53: { posts_ge1 }, /* SH */
54: { posts_ge1 }, /* SS */
1.4 kristaps 55: { NULL }, /* TP */
1.1 kristaps 56: { posts_eq0 }, /* LP */
57: { posts_eq0 }, /* PP */
58: { posts_eq0 }, /* P */
59: { posts_le2 }, /* IP */
60: { posts_le1 }, /* HP */
61: { NULL }, /* SM */
62: { NULL }, /* SB */
63: { NULL }, /* BI */
64: { NULL }, /* IB */
65: { NULL }, /* BR */
66: { NULL }, /* RB */
67: { NULL }, /* R */
68: { NULL }, /* B */
69: { NULL }, /* I */
70: { NULL }, /* IR */
1.4 kristaps 71: { NULL }, /* RI */
1.6 kristaps 72: { posts_eq0 }, /* na */
1.7 kristaps 73: { NULL }, /* i */
1.1 kristaps 74: };
75:
76:
77: int
78: man_valid_post(struct man *m)
79: {
80: v_post *cp;
81:
82: if (MAN_VALID & m->last->flags)
83: return(1);
84: m->last->flags |= MAN_VALID;
85:
86: switch (m->last->type) {
87: case (MAN_TEXT):
1.11 kristaps 88: return(check_text(m, m->last));
1.1 kristaps 89: case (MAN_ROOT):
1.14 kristaps 90: return(check_root(m, m->last));
1.1 kristaps 91: default:
92: break;
93: }
94:
95: if (NULL == (cp = man_valids[m->last->tok].posts))
96: return(1);
97: for ( ; *cp; cp++)
98: if ( ! (*cp)(m, m->last))
99: return(0);
100:
101: return(1);
102: }
103:
104:
1.11 kristaps 105: static int
1.14 kristaps 106: check_root(POSTARGS)
107: {
108:
109: if (NULL == m->first->child)
110: return(man_nerr(m, n, WNODATA));
111: if (NULL == m->meta.title)
112: return(man_nerr(m, n, WNOTITLE));
113:
114: return(1);
115: }
116:
117:
118: static int
1.11 kristaps 119: check_text(POSTARGS)
120: {
121: const char *p;
1.15 ! kristaps 122: int pos, c;
1.11 kristaps 123:
124: assert(n->string);
125:
126: for (p = n->string, pos = n->pos + 1; *p; p++, pos++) {
1.15 ! kristaps 127: if ('\\' == *p) {
! 128: c = mandoc_special(p);
! 129: if (c) {
! 130: p += c - 1;
! 131: pos += c - 1;
! 132: continue;
! 133: }
! 134: if ( ! (MAN_IGN_ESCAPE & m->pflags))
! 135: return(man_perr(m, n->line, pos, WESCAPE));
! 136: if ( ! man_pwarn(m, n->line, pos, WESCAPE))
! 137: return(0);
! 138: continue;
! 139: }
! 140:
! 141: if ('\t' == *p || isprint((u_char)*p))
1.11 kristaps 142: continue;
143:
144: if (MAN_IGN_CHARS & m->pflags)
1.12 kristaps 145: return(man_pwarn(m, n->line, pos, WNPRINT));
146: return(man_perr(m, n->line, pos, WNPRINT));
1.11 kristaps 147: }
148:
149: return(1);
1.1 kristaps 150: }
151:
152:
153: #define INEQ_DEFINE(x, ineq, name) \
154: static int \
155: check_##name(POSTARGS) \
156: { \
1.11 kristaps 157: if (n->nchild ineq (x)) \
1.1 kristaps 158: return(1); \
1.4 kristaps 159: return(man_verr(m, n->line, n->pos, \
1.1 kristaps 160: "expected line arguments %s %d, have %d", \
1.11 kristaps 161: #ineq, (x), n->nchild)); \
1.1 kristaps 162: }
163:
164: INEQ_DEFINE(0, ==, eq0)
165: INEQ_DEFINE(1, >=, ge1)
166: INEQ_DEFINE(2, >=, ge2)
167: INEQ_DEFINE(1, <=, le1)
168: INEQ_DEFINE(2, <=, le2)
169: INEQ_DEFINE(5, <=, le5)
170:
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