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/* $OpenBSD: tbl.c,v 1.21 2015/10/06 18:30:44 schwarze Exp $ */
/*
* Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2011, 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 <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "mandoc.h"
#include "mandoc_aux.h"
#include "libmandoc.h"
#include "libroff.h"
enum rofferr
tbl_read(struct tbl_node *tbl, int ln, const char *p, int pos)
{
const char *cp;
int active;
/*
* In the options section, proceed to the layout section
* after a semicolon, or right away if there is no semicolon.
* Ignore semicolons in arguments.
*/
if (tbl->part == TBL_PART_OPTS) {
tbl->part = TBL_PART_LAYOUT;
active = 1;
for (cp = p + pos; *cp != '\0'; cp++) {
switch (*cp) {
case '(':
active = 0;
continue;
case ')':
active = 1;
continue;
case ';':
if (active)
break;
continue;
default:
continue;
}
break;
}
if (*cp == ';') {
tbl_option(tbl, ln, p, &pos);
if (p[pos] == '\0')
return ROFF_IGN;
}
}
/* Process the other section types. */
switch (tbl->part) {
case TBL_PART_LAYOUT:
tbl_layout(tbl, ln, p, pos);
return ROFF_IGN;
case TBL_PART_CDATA:
return tbl_cdata(tbl, ln, p, pos) ? ROFF_TBL : ROFF_IGN;
default:
break;
}
tbl_data(tbl, ln, p, pos);
return ROFF_TBL;
}
struct tbl_node *
tbl_alloc(int pos, int line, struct mparse *parse)
{
struct tbl_node *tbl;
tbl = mandoc_calloc(1, sizeof(*tbl));
tbl->line = line;
tbl->pos = pos;
tbl->parse = parse;
tbl->part = TBL_PART_OPTS;
tbl->opts.tab = '\t';
tbl->opts.decimal = '.';
return tbl;
}
void
tbl_free(struct tbl_node *tbl)
{
struct tbl_row *rp;
struct tbl_cell *cp;
struct tbl_span *sp;
struct tbl_dat *dp;
while ((rp = tbl->first_row) != NULL) {
tbl->first_row = rp->next;
while (rp->first != NULL) {
cp = rp->first;
rp->first = cp->next;
free(cp);
}
free(rp);
}
while ((sp = tbl->first_span) != NULL) {
tbl->first_span = sp->next;
while (sp->first != NULL) {
dp = sp->first;
sp->first = dp->next;
free(dp->string);
free(dp);
}
free(sp);
}
free(tbl);
}
void
tbl_restart(int line, int pos, struct tbl_node *tbl)
{
if (tbl->part == TBL_PART_CDATA)
mandoc_msg(MANDOCERR_TBLDATA_BLK, tbl->parse,
line, pos, "T&");
tbl->part = TBL_PART_LAYOUT;
tbl->line = line;
tbl->pos = pos;
}
const struct tbl_span *
tbl_span(struct tbl_node *tbl)
{
struct tbl_span *span;
assert(tbl);
span = tbl->current_span ? tbl->current_span->next
: tbl->first_span;
if (span)
tbl->current_span = span;
return span;
}
int
tbl_end(struct tbl_node **tblp)
{
struct tbl_node *tbl;
struct tbl_span *sp;
tbl = *tblp;
*tblp = NULL;
if (tbl->part == TBL_PART_CDATA)
mandoc_msg(MANDOCERR_TBLDATA_BLK, tbl->parse,
tbl->line, tbl->pos, "TE");
sp = tbl->first_span;
while (sp != NULL && sp->first == NULL)
sp = sp->next;
if (sp == NULL) {
mandoc_msg(MANDOCERR_TBLDATA_NONE, tbl->parse,
tbl->line, tbl->pos, NULL);
return 0;
}
return 1;
}
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