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/* $Id: tbl_data.c,v 1.3 2010/10/15 23:19:40 schwarze Exp $ */
/*
* Copyright (c) 2009 Kristaps Dzonsons <kristaps@kth.se>
*
* 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/queue.h>
#include <sys/types.h>
#include <assert.h>
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include "out.h"
#include "term.h"
#include "tbl_extern.h"
/* FIXME: warn about losing data contents if cell is HORIZ. */
static int data(struct tbl *, struct tbl_span *,
const char *, int, int,
const char *, int, int);
int
data(struct tbl *tbl, struct tbl_span *dp,
const char *f, int ln, int pos,
const char *p, int start, int end)
{
struct tbl_data *dat;
if (NULL == (dat = tbl_data_alloc(dp)))
return(0);
if (NULL == dat->cell)
if ( ! tbl_warnx(tbl, ERR_SYNTAX, f, ln, pos))
return(0);
assert(end >= start);
if (NULL == (dat->string = malloc((size_t)(end - start + 1))))
return(tbl_err(tbl));
(void)memcpy(dat->string, &p[start], (size_t)(end - start));
dat->string[end - start] = 0;
/* XXX: do the strcmps, then malloc(). */
if ( ! strcmp(dat->string, "_"))
dat->flags |= TBL_DATA_HORIZ;
else if ( ! strcmp(dat->string, "="))
dat->flags |= TBL_DATA_DHORIZ;
else if ( ! strcmp(dat->string, "\\_"))
dat->flags |= TBL_DATA_NHORIZ;
else if ( ! strcmp(dat->string, "\\="))
dat->flags |= TBL_DATA_NDHORIZ;
else
return(1);
free(dat->string);
dat->string = NULL;
return(1);
}
int
tbl_data(struct tbl *tbl, const char *f, int ln, const char *p)
{
struct tbl_span *dp;
int i, j;
if ('.' == p[0] && ! isdigit((u_char)p[1])) {
/* Comment lines end up here with just a dot. */
if ('\0' == p[1])
return(1);
/*
* XXX: departs from tbl convention in that we disallow
* macros in the data body.
*/
if (strncasecmp(p, ".T&", 3))
return(tbl_errx(tbl, ERR_SYNTAX, f, ln, 0));
return(tbl_data_close(tbl, f, ln));
}
if (NULL == (dp = tbl_span_alloc(tbl)))
return(0);
if ( ! strcmp(p, "_")) {
dp->flags |= TBL_SPAN_HORIZ;
return(1);
} else if ( ! strcmp(p, "=")) {
dp->flags |= TBL_SPAN_DHORIZ;
return(1);
}
for (j = i = 0; p[i]; i++) {
if (p[i] != tbl->tab)
continue;
if ( ! data(tbl, dp, f, ln, i, p, j, i))
return(0);
j = i + 1;
}
return(data(tbl, dp, f, ln, i, p, j, i));
}
int
tbl_data_close(struct tbl *tbl, const char *f, int ln)
{
struct tbl_span *span;
/* LINTED */
span = TAILQ_LAST(&tbl->span, tbl_spanh);
if (NULL == span)
return(tbl_errx(tbl, ERR_SYNTAX, f, ln, 0));
if (TAILQ_NEXT(span->row, entries))
return(tbl_errx(tbl, ERR_SYNTAX, f, ln, 0));
tbl->part = TBL_PART_LAYOUT;
return(1);
}
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