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/* $Id: tbl.c,v 1.8 2013/05/31 22:08:03 schwarze Exp $ */
/*
* Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2011 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 <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "mandoc.h"
#include "libmandoc.h"
#include "libroff.h"
enum rofferr
tbl_read(struct tbl_node *tbl, int ln, const char *p, int offs)
{
int len;
const char *cp;
cp = &p[offs];
len = (int)strlen(cp);
/*
* If we're in the options section and we don't have a
* terminating semicolon, assume we've moved directly into the
* layout section. No need to report a warning: this is,
* apparently, standard behaviour.
*/
if (TBL_PART_OPTS == tbl->part && len)
if (';' != cp[len - 1])
tbl->part = TBL_PART_LAYOUT;
/* Now process each logical section of the table. */
switch (tbl->part) {
case (TBL_PART_OPTS):
return(tbl_option(tbl, ln, p) ? ROFF_IGN : ROFF_ERR);
case (TBL_PART_LAYOUT):
return(tbl_layout(tbl, ln, p) ? ROFF_IGN : ROFF_ERR);
case (TBL_PART_CDATA):
return(tbl_cdata(tbl, ln, p) ? ROFF_TBL : ROFF_IGN);
default:
break;
}
/*
* This only returns zero if the line is empty, so we ignore it
* and continue on.
*/
return(tbl_data(tbl, ln, p) ? ROFF_TBL : ROFF_IGN);
}
struct tbl_node *
tbl_alloc(int pos, int line, struct mparse *parse)
{
struct tbl_node *tbl;
tbl = mandoc_calloc(1, sizeof(struct tbl_node));
tbl->line = line;
tbl->pos = pos;
tbl->parse = parse;
tbl->part = TBL_PART_OPTS;
tbl->opts.tab = '\t';
tbl->opts.linesize = 12;
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;
struct tbl_head *hp;
while (NULL != (rp = tbl->first_row)) {
tbl->first_row = rp->next;
while (rp->first) {
cp = rp->first;
rp->first = cp->next;
free(cp);
}
free(rp);
}
while (NULL != (sp = tbl->first_span)) {
tbl->first_span = sp->next;
while (sp->first) {
dp = sp->first;
sp->first = dp->next;
if (dp->string)
free(dp->string);
free(dp);
}
free(sp);
}
while (NULL != (hp = tbl->first_head)) {
tbl->first_head = hp->next;
free(hp);
}
free(tbl);
}
void
tbl_restart(int line, int pos, struct tbl_node *tbl)
{
if (TBL_PART_CDATA == tbl->part)
mandoc_msg(MANDOCERR_TBLBLOCK, tbl->parse,
tbl->line, tbl->pos, NULL);
tbl->part = TBL_PART_LAYOUT;
tbl->line = line;
tbl->pos = pos;
if (NULL == tbl->first_span || NULL == tbl->first_span->first)
mandoc_msg(MANDOCERR_TBLNODATA, tbl->parse,
tbl->line, tbl->pos, NULL);
}
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);
}
void
tbl_end(struct tbl_node **tblp)
{
struct tbl_node *tbl;
tbl = *tblp;
*tblp = NULL;
if (NULL == tbl->first_span || NULL == tbl->first_span->first)
mandoc_msg(MANDOCERR_TBLNODATA, tbl->parse,
tbl->line, tbl->pos, NULL);
if (tbl->last_span)
tbl->last_span->flags |= TBL_SPAN_LAST;
if (TBL_PART_CDATA == tbl->part)
mandoc_msg(MANDOCERR_TBLBLOCK, tbl->parse,
tbl->line, tbl->pos, NULL);
}
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