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
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
|
/* $Id$ */
/*
* Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2011, 2015, 2017 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 <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "mandoc.h"
#include "mandoc_aux.h"
#include "libmandoc.h"
#include "libroff.h"
static void getdata(struct tbl_node *, struct tbl_span *,
int, const char *, int *);
static struct tbl_span *newspan(struct tbl_node *, int,
struct tbl_row *);
static void
getdata(struct tbl_node *tbl, struct tbl_span *dp,
int ln, const char *p, int *pos)
{
struct tbl_dat *dat;
struct tbl_cell *cp;
int sv;
/* Advance to the next layout cell, skipping spanners. */
cp = dp->last == NULL ? dp->layout->first : dp->last->layout->next;
while (cp != NULL && cp->pos == TBL_CELL_SPAN)
cp = cp->next;
/*
* If the current layout row is out of cells, allocate
* a new cell if another row of the table has at least
* this number of columns, or discard the input if we
* are beyond the last column of the table as a whole.
*/
if (cp == NULL) {
if (dp->layout->last->col + 1 < dp->opts->cols) {
cp = mandoc_calloc(1, sizeof(*cp));
cp->pos = TBL_CELL_LEFT;
dp->layout->last->next = cp;
cp->col = dp->layout->last->col + 1;
dp->layout->last = cp;
} else {
mandoc_msg(MANDOCERR_TBLDATA_EXTRA, tbl->parse,
ln, *pos, p + *pos);
while (p[*pos])
(*pos)++;
return;
}
}
dat = mandoc_calloc(1, sizeof(*dat));
dat->layout = cp;
dat->pos = TBL_DATA_NONE;
dat->spans = 0;
for (cp = cp->next; cp != NULL; cp = cp->next)
if (cp->pos == TBL_CELL_SPAN)
dat->spans++;
else
break;
if (dp->last == NULL)
dp->first = dat;
else
dp->last->next = dat;
dp->last = dat;
sv = *pos;
while (p[*pos] && p[*pos] != tbl->opts.tab)
(*pos)++;
/*
* Check for a continued-data scope opening. This consists of a
* trailing `T{' at the end of the line. Subsequent lines,
* until a standalone `T}', are included in our cell.
*/
if (*pos - sv == 2 && p[sv] == 'T' && p[sv + 1] == '{') {
tbl->part = TBL_PART_CDATA;
return;
}
dat->string = mandoc_strndup(p + sv, *pos - sv);
if (p[*pos])
(*pos)++;
if ( ! strcmp(dat->string, "_"))
dat->pos = TBL_DATA_HORIZ;
else if ( ! strcmp(dat->string, "="))
dat->pos = TBL_DATA_DHORIZ;
else if ( ! strcmp(dat->string, "\\_"))
dat->pos = TBL_DATA_NHORIZ;
else if ( ! strcmp(dat->string, "\\="))
dat->pos = TBL_DATA_NDHORIZ;
else
dat->pos = TBL_DATA_DATA;
if ((dat->layout->pos == TBL_CELL_HORIZ ||
dat->layout->pos == TBL_CELL_DHORIZ ||
dat->layout->pos == TBL_CELL_DOWN) &&
dat->pos == TBL_DATA_DATA && *dat->string != '\0')
mandoc_msg(MANDOCERR_TBLDATA_SPAN,
tbl->parse, ln, sv, dat->string);
}
void
tbl_cdata(struct tbl_node *tbl, int ln, const char *p, int pos)
{
struct tbl_dat *dat;
size_t sz;
dat = tbl->last_span->last;
if (p[pos] == 'T' && p[pos + 1] == '}') {
pos += 2;
if (p[pos] == tbl->opts.tab) {
tbl->part = TBL_PART_DATA;
pos++;
while (p[pos] != '\0')
getdata(tbl, tbl->last_span, ln, p, &pos);
return;
} else if (p[pos] == '\0') {
tbl->part = TBL_PART_DATA;
return;
}
/* Fallthrough: T} is part of a word. */
}
dat->pos = TBL_DATA_DATA;
dat->block = 1;
if (dat->string != NULL) {
sz = strlen(p + pos) + strlen(dat->string) + 2;
dat->string = mandoc_realloc(dat->string, sz);
(void)strlcat(dat->string, " ", sz);
(void)strlcat(dat->string, p + pos, sz);
} else
dat->string = mandoc_strdup(p + pos);
if (dat->layout->pos == TBL_CELL_DOWN)
mandoc_msg(MANDOCERR_TBLDATA_SPAN, tbl->parse,
ln, pos, dat->string);
}
static struct tbl_span *
newspan(struct tbl_node *tbl, int line, struct tbl_row *rp)
{
struct tbl_span *dp;
dp = mandoc_calloc(1, sizeof(*dp));
dp->line = line;
dp->opts = &tbl->opts;
dp->layout = rp;
dp->prev = tbl->last_span;
if (dp->prev == NULL) {
tbl->first_span = dp;
tbl->current_span = NULL;
} else
dp->prev->next = dp;
tbl->last_span = dp;
return dp;
}
void
tbl_data(struct tbl_node *tbl, int ln, const char *p, int pos)
{
struct tbl_row *rp;
struct tbl_cell *cp;
struct tbl_span *sp;
rp = (sp = tbl->last_span) == NULL ? tbl->first_row :
sp->pos == TBL_SPAN_DATA && sp->layout->next != NULL ?
sp->layout->next : sp->layout;
assert(rp != NULL);
if ( ! strcmp(p, "_")) {
sp = newspan(tbl, ln, rp);
sp->pos = TBL_SPAN_HORIZ;
return;
} else if ( ! strcmp(p, "=")) {
sp = newspan(tbl, ln, rp);
sp->pos = TBL_SPAN_DHORIZ;
return;
}
/*
* If the layout row contains nothing but horizontal lines,
* allocate an empty span for it and assign the current span
* to the next layout row accepting data.
*/
while (rp->next != NULL) {
if (rp->last->col + 1 < tbl->opts.cols)
break;
for (cp = rp->first; cp != NULL; cp = cp->next)
if (cp->pos != TBL_CELL_HORIZ &&
cp->pos != TBL_CELL_DHORIZ)
break;
if (cp != NULL)
break;
sp = newspan(tbl, ln, rp);
sp->pos = TBL_SPAN_DATA;
rp = rp->next;
}
/* Process a real data row. */
sp = newspan(tbl, ln, rp);
sp->pos = TBL_SPAN_DATA;
while (p[pos] != '\0')
getdata(tbl, sp, ln, p, &pos);
}
|
