/* $Id$ */
/*
* Copyright (c) 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
*
* 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 <assert.h>
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include "mandoc.h"
#include "libmandoc.h"
#include "libroff.h"
static void data(struct tbl *, struct tbl_span *,
int, const char *, int *);
void
data(struct tbl *tbl, struct tbl_span *dp,
int ln, const char *p, int *pos)
{
struct tbl_dat *dat;
struct tbl_cell *cp;
int sv;
cp = NULL;
if (dp->last && dp->last->layout)
cp = dp->last->layout->next;
else if (NULL == dp->last)
cp = dp->layout->first;
/* Skip over spanners to data formats. */
while (cp && (TBL_CELL_VERT == cp->pos ||
TBL_CELL_DVERT == cp->pos))
cp = cp->next;
/* FIXME: warn about losing data contents if cell is HORIZ. */
dat = mandoc_calloc(1, sizeof(struct tbl_dat));
dat->layout = cp;
if (dp->last) {
dp->last->next = dat;
dp->last = dat;
} else
dp->last = dp->first = dat;
sv = *pos;
while (p[*pos] && p[*pos] != tbl->tab)
(*pos)++;
dat->string = mandoc_malloc(*pos - sv + 1);
memcpy(dat->string, &p[sv], *pos - sv);
dat->string[*pos - sv] = '\0';
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;
}
int
tbl_data(struct tbl *tbl, int ln, const char *p)
{
struct tbl_span *dp;
struct tbl_row *rp;
int pos;
pos = 0;
if ('\0' == p[pos]) {
TBL_MSG(tbl, MANDOCERR_TBL, ln, pos);
return(0);
}
/*
* Choose a layout row: take the one following the last parsed
* span's. If that doesn't exist, use the last parsed span's.
* If there's no last parsed span, use the first row. This can
* be NULL!
*/
if (tbl->last_span) {
assert(tbl->last_span->layout);
rp = tbl->last_span->layout->next;
if (NULL == rp)
rp = tbl->last_span->layout;
} else
rp = tbl->first_row;
dp = mandoc_calloc(1, sizeof(struct tbl_span));
dp->layout = rp;
if (tbl->last_span) {
tbl->last_span->next = dp;
tbl->last_span = dp;
} else
tbl->last_span = tbl->first_span = dp;
if ( ! strcmp(p, "_")) {
dp->pos = TBL_SPAN_HORIZ;
return(1);
} else if ( ! strcmp(p, "=")) {
dp->pos = TBL_SPAN_DHORIZ;
return(1);
}
dp->pos = TBL_SPAN_DATA;
while ('\0' != p[pos])
data(tbl, dp, ln, p, &pos);
return(1);
}