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/* $Id: xml.c,v 1.24 2008/12/10 12:05:33 kristaps Exp $ */
/*
* 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 <stdlib.h>
#include <string.h>
#include "private.h"
#include "ml.h"
static int xml_alloc(void **);
static void xml_free(void *);
static ssize_t xml_endtag(struct md_mbuf *, void *,
const struct md_args *,
enum md_ns, int);
static ssize_t xml_begintag(struct md_mbuf *, void *,
const struct md_args *,
enum md_ns, int,
const int *, const char **);
static ssize_t xml_beginstring(struct md_mbuf *,
const struct md_args *,
const char *, size_t);
static ssize_t xml_endstring(struct md_mbuf *,
const struct md_args *,
const char *, size_t);
static int xml_begin(struct md_mbuf *,
const struct md_args *,
const struct tm *,
const char *, const char *,
enum roffmsec, enum roffvol);
static int xml_end(struct md_mbuf *,
const struct md_args *,
const struct tm *,
const char *, const char *,
enum roffmsec, enum roffvol);
static ssize_t xml_printtagname(struct md_mbuf *,
enum md_ns, int);
static ssize_t xml_printtagargs(struct md_mbuf *,
const int *, const char **);
static ssize_t
xml_printtagargs(struct md_mbuf *mbuf, const int *argc,
const char **argv)
{
int i, c;
size_t res;
if (NULL == argc || NULL == argv)
return(0);
assert(argc && argv);
/* LINTED */
for (res = 0, i = 0; ROFF_ARGMAX != (c = argc[i]); i++) {
if ( ! ml_nputs(mbuf, " ", 1, &res))
return(-1);
/* FIXME: should puke on some, no? */
if ( ! ml_puts(mbuf, tokargnames[c], &res))
return(-1);
if ( ! ml_nputs(mbuf, "=\"", 2, &res))
return(-1);
if (argv[i]) {
if ( ! ml_putstring(mbuf, argv[i], &res))
return(-1);
} else if ( ! ml_nputs(mbuf, "true", 4, &res))
return(-1);
if ( ! ml_nputs(mbuf, "\"", 1, &res))
return(-1);
}
return((ssize_t)res);
}
static ssize_t
xml_printtagname(struct md_mbuf *mbuf, enum md_ns ns, int tok)
{
size_t res;
res = 0;
switch (ns) {
case (MD_NS_BLOCK):
if ( ! ml_nputs(mbuf, "block:", 6, &res))
return(-1);
break;
case (MD_NS_INLINE):
if ( ! ml_nputs(mbuf, "inline:", 7, &res))
return(-1);
break;
case (MD_NS_BODY):
if ( ! ml_nputs(mbuf, "body:", 5, &res))
return(-1);
break;
case (MD_NS_HEAD):
if ( ! ml_nputs(mbuf, "head:", 5, &res))
return(-1);
break;
default:
break;
}
if ( ! ml_puts(mbuf, toknames[tok], &res))
return(-1);
return((ssize_t)res);
}
/* ARGSUSED */
static int
xml_begin(struct md_mbuf *mbuf, const struct md_args *args,
const struct tm *tm, const char *os,
const char *title, enum roffmsec sec, enum roffvol vol)
{
if ( ! ml_puts(mbuf, "<?xml version=\"1.0\" "
"encoding=\"UTF-8\"?>\n", NULL))
return(0);
return(ml_puts(mbuf, "<mdoc xmlns:block=\"block\" "
"xmlns:body=\"body\" "
"xmlns:head=\"head\" "
"xmlns:inline=\"inline\">", NULL));
}
/* ARGSUSED */
static int
xml_end(struct md_mbuf *mbuf, const struct md_args *args,
const struct tm *tm, const char *os,
const char *title, enum roffmsec sec, enum roffvol vol)
{
return(ml_puts(mbuf, "</mdoc>", NULL));
}
/* ARGSUSED */
static ssize_t
xml_beginstring(struct md_mbuf *mbuf,
const struct md_args *args,
const char *buf, size_t sz)
{
return(0);
}
/* ARGSUSED */
static ssize_t
xml_endstring(struct md_mbuf *mbuf,
const struct md_args *args,
const char *buf, size_t sz)
{
return(0);
}
/* ARGSUSED */
static ssize_t
xml_begintag(struct md_mbuf *mbuf, void *data,
const struct md_args *args, enum md_ns ns,
int tok, const int *argc, const char **argv)
{
ssize_t res, sz;
if (-1 == (res = xml_printtagname(mbuf, ns, tok)))
return(-1);
if (-1 == (sz = xml_printtagargs(mbuf, argc, argv)))
return(-1);
return(res + sz);
}
/* ARGSUSED */
static ssize_t
xml_endtag(struct md_mbuf *mbuf, void *data,
const struct md_args *args, enum md_ns ns, int tok)
{
return(xml_printtagname(mbuf, ns, tok));
}
/* ARGSUSED */
int
xml_alloc(void **p)
{
*p = NULL;
return(1);
}
/* ARGSUSED */
void
xml_free(void *p)
{
/* Do nothing. */
}
int
md_line_xml(void *data, char *buf)
{
return(mlg_line((struct md_mlg *)data, buf));
}
int
md_exit_xml(void *data, int flush)
{
return(mlg_exit((struct md_mlg *)data, flush));
}
void *
md_init_xml(const struct md_args *args,
struct md_mbuf *mbuf, const struct md_rbuf *rbuf)
{
struct ml_cbs cbs;
cbs.ml_alloc = xml_alloc;
cbs.ml_free = xml_free;
cbs.ml_begintag = xml_begintag;
cbs.ml_endtag = xml_endtag;
cbs.ml_begin = xml_begin;
cbs.ml_end = xml_end;
cbs.ml_beginstring = xml_beginstring;
cbs.ml_endstring = xml_endstring;
return(mlg_alloc(args, rbuf, mbuf, &cbs));
}
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