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
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
/* $OpenBSD: tbl_opts.c,v 1.12 2015/01/28 17:30:37 schwarze Exp $ */
/*
* Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2015 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 <sys/types.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "mandoc.h"
#include "libmandoc.h"
#include "libroff.h"
#define KEY_DPOINT 0
#define KEY_DELIM 1
#define KEY_LINESIZE 2
#define KEY_TAB 3
struct tbl_phrase {
const char *name;
int key;
};
static const struct tbl_phrase keys[] = {
{"decimalpoint", 0},
{"delim", 0},
{"linesize", 0},
{"tab", 0},
{"allbox", TBL_OPT_ALLBOX | TBL_OPT_BOX},
{"box", TBL_OPT_BOX},
{"frame", TBL_OPT_BOX},
{"center", TBL_OPT_CENTRE},
{"centre", TBL_OPT_CENTRE},
{"doublebox", TBL_OPT_DBOX},
{"doubleframe", TBL_OPT_DBOX},
{"expand", TBL_OPT_EXPAND},
{"nokeep", TBL_OPT_NOKEEP},
{"nospaces", TBL_OPT_NOSPACE},
{"nowarn", TBL_OPT_NOWARN},
};
#define KEY_MAXKEYS ((int)(sizeof(keys)/sizeof(keys[0])))
static void arg(struct tbl_node *, int, const char *, int *, int);
static void
arg(struct tbl_node *tbl, int ln, const char *p, int *pos, int key)
{
int len, want;
while (p[*pos] == ' ' || p[*pos] == '\t')
(*pos)++;
/* Arguments are enclosed in parentheses. */
len = 0;
if (p[*pos] == '(') {
(*pos)++;
while (p[*pos + len] != ')')
len++;
}
switch (key) {
case KEY_DELIM:
mandoc_vmsg(MANDOCERR_TBLOPT_EQN, tbl->parse,
ln, *pos, "%.*s", len, p + *pos);
want = 2;
break;
case KEY_TAB:
want = 1;
if (len == want)
tbl->opts.tab = p[*pos];
break;
case KEY_LINESIZE:
want = 0;
break;
case KEY_DPOINT:
want = 1;
if (len == want)
tbl->opts.decimal = p[*pos];
break;
default:
abort();
/* NOTREACHED */
}
if (len == 0)
mandoc_msg(MANDOCERR_TBLOPT_NOARG,
tbl->parse, ln, *pos, keys[key].name);
else if (want && len != want)
mandoc_vmsg(MANDOCERR_TBLOPT_ARGSZ,
tbl->parse, ln, *pos, "%s want %d have %d",
keys[key].name, want, len);
*pos += len;
if (p[*pos] == ')')
(*pos)++;
}
/*
* Parse one line of options up to the semicolon.
* Each option can be preceded by blanks and/or commas,
* and some options are followed by arguments.
*/
void
tbl_option(struct tbl_node *tbl, int ln, const char *p, int *offs)
{
int i, pos, len;
pos = *offs;
for (;;) {
while (p[pos] == ' ' || p[pos] == '\t' || p[pos] == ',')
pos++;
if (p[pos] == ';') {
*offs = pos + 1;
return;
}
/* Parse one option name. */
len = 0;
while (isalpha((unsigned char)p[pos + len]))
len++;
if (len == 0) {
mandoc_vmsg(MANDOCERR_TBLOPT_ALPHA,
tbl->parse, ln, pos, "%c", p[pos]);
pos++;
continue;
}
/* Look up the option name. */
i = 0;
while (i < KEY_MAXKEYS &&
(strncasecmp(p + pos, keys[i].name, len) ||
keys[i].name[len] != '\0'))
i++;
if (i == KEY_MAXKEYS) {
mandoc_vmsg(MANDOCERR_TBLOPT_BAD, tbl->parse,
ln, pos, "%.*s", len, p + pos);
pos += len;
continue;
}
/* Handle the option. */
pos += len;
if (keys[i].key)
tbl->opts.opts |= keys[i].key;
else
arg(tbl, ln, p, &pos, i);
}
}
|
