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/* $Id$ */
/*
* Copyright (c) 2008 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 <assert.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "libmdocml.h"
#include "private.h"
#ifdef __Linux__
#define strlcat strncat
#endif
static int md_dummy_blk_in(int);
static int md_dummy_blk_out(int);
static int md_dummy_text_in(int, int *, char **);
static int md_dummy_text_out(int);
static void dbg_indent(void);
static int dbg_lvl = 0;
struct md_dummy {
struct rofftree *tree;
};
static const char *const toknames[ROFF_MAX] = ROFF_NAMES;
static void
dbg_indent(void)
{
char buf[128];
int i;
*buf = 0;
assert(dbg_lvl >= 0);
/* LINTED */
for (i = 0; i < dbg_lvl; i++)
(void)strlcat(buf, " ", sizeof(buf) - 1);
(void)printf("%s", buf);
}
static int
md_dummy_blk_in(int tok)
{
dbg_indent();
(void)printf("%s\n", toknames[tok]);
dbg_lvl++;
return(1);
}
static int
md_dummy_blk_out(int tok)
{
assert(dbg_lvl > 0);
dbg_lvl--;
dbg_indent();
(void)printf("%s\n", toknames[tok]);
return(1);
}
/* ARGSUSED */
static int
md_dummy_text_in(int tok, int *argcp, char **argvp)
{
dbg_indent();
(void)printf("%s\n", toknames[tok]);
return(1);
}
static int
md_dummy_text_out(int tok)
{
dbg_indent();
(void)printf("%s\n", toknames[tok]);
return(1);
}
int
md_line_dummy(void *arg, char *buf, size_t sz)
{
struct md_dummy *p;
p = (struct md_dummy *)arg;
return(roff_engine(p->tree, buf, sz));
}
int
md_exit_dummy(void *data, int flush)
{
int c;
struct md_dummy *p;
p = (struct md_dummy *)data;
c = roff_free(p->tree, flush);
free(p);
return(c);
}
void *
md_init_dummy(const struct md_args *args,
struct md_mbuf *mbuf, const struct md_rbuf *rbuf)
{
struct md_dummy *p;
if (NULL == (p = malloc(sizeof(struct md_dummy)))) {
warn("malloc");
return(NULL);
}
p->tree = roff_alloc(args, mbuf, rbuf,
md_dummy_text_in, md_dummy_text_out,
md_dummy_blk_in, md_dummy_blk_out);
if (NULL == p->tree) {
free(p);
return(NULL);
}
return(p);
}
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