1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
/* $Id$ */
/*
* Copyright (c) 2010, 2017, 2018, 2020 Ingo Schwarze <schwarze@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "config.h"
#include <sys/types.h>
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include "mandoc.h"
#include "roff.h"
#include "libmandoc.h"
#include "roff_int.h"
#define ROFF_VALID_ARGS struct roff_man *man, struct roff_node *n
typedef void (*roff_valid_fp)(ROFF_VALID_ARGS);
static void roff_valid_br(ROFF_VALID_ARGS);
static void roff_valid_fi(ROFF_VALID_ARGS);
static void roff_valid_ft(ROFF_VALID_ARGS);
static void roff_valid_nf(ROFF_VALID_ARGS);
static void roff_valid_sp(ROFF_VALID_ARGS);
static const roff_valid_fp roff_valids[ROFF_MAX] = {
roff_valid_br, /* br */
NULL, /* ce */
roff_valid_fi, /* fi */
roff_valid_ft, /* ft */
NULL, /* ll */
NULL, /* mc */
roff_valid_nf, /* nf */
NULL, /* po */
NULL, /* rj */
roff_valid_sp, /* sp */
NULL, /* ta */
NULL, /* ti */
};
void
roff_validate(struct roff_man *man)
{
struct roff_node *n;
n = man->last;
assert(n->tok < ROFF_MAX);
if (roff_valids[n->tok] != NULL)
(*roff_valids[n->tok])(man, n);
}
static void
roff_valid_br(ROFF_VALID_ARGS)
{
struct roff_node *np;
if (n->next != NULL && n->next->type == ROFFT_TEXT &&
*n->next->string == ' ') {
mandoc_msg(MANDOCERR_PAR_SKIP, n->line, n->pos,
"br before text line with leading blank");
roff_node_delete(man, n);
return;
}
if ((np = roff_node_prev(n)) == NULL)
return;
switch (np->tok) {
case ROFF_br:
case ROFF_sp:
case MDOC_Pp:
mandoc_msg(MANDOCERR_PAR_SKIP,
n->line, n->pos, "br after %s", roff_name[np->tok]);
roff_node_delete(man, n);
break;
default:
break;
}
}
static void
roff_valid_fi(ROFF_VALID_ARGS)
{
if ((n->flags & NODE_NOFILL) == 0)
mandoc_msg(MANDOCERR_FI_SKIP, n->line, n->pos, "fi");
}
static void
roff_valid_ft(ROFF_VALID_ARGS)
{
const char *cp;
if (n->child == NULL) {
man->next = ROFF_NEXT_CHILD;
roff_word_alloc(man, n->line, n->pos, "P");
man->last = n;
return;
}
cp = n->child->string;
if (mandoc_font(cp, (int)strlen(cp)) != ESCAPE_ERROR)
return;
mandoc_msg(MANDOCERR_FT_BAD, n->line, n->pos, "ft %s", cp);
roff_node_delete(man, n);
}
static void
roff_valid_nf(ROFF_VALID_ARGS)
{
if (n->flags & NODE_NOFILL)
mandoc_msg(MANDOCERR_NF_SKIP, n->line, n->pos, "nf");
}
static void
roff_valid_sp(ROFF_VALID_ARGS)
{
struct roff_node *np;
if ((np = roff_node_prev(n)) == NULL)
return;
switch (np->tok) {
case ROFF_br:
mandoc_msg(MANDOCERR_PAR_SKIP,
np->line, np->pos, "br before sp");
roff_node_delete(man, np);
break;
case MDOC_Pp:
mandoc_msg(MANDOCERR_PAR_SKIP,
n->line, n->pos, "sp after Pp");
roff_node_delete(man, n);
break;
default:
break;
}
}
|
