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/* -*- mode: C; c-file-style: "gnu" -*- */
/* xdgmimealias.c: Private file. Datastructure for storing the aliases.
*
* More info can be found at http://www.freedesktop.org/standards/
*
* Copyright (C) 2004 Red Hat, Inc.
* Copyright (C) 2004 Matthias Clasen <mclasen@redhat.com>
*
* Licensed under the Academic Free License version 2.0
* Or under the following terms:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "xdgmimealias.h"
#include "xdgmimeint.h"
#include <stdlib.h>
#include <stdio.h>
#include <assert.h>
#include <string.h>
#include <fnmatch.h>
#ifndef FALSE
#define FALSE (0)
#endif
#ifndef TRUE
#define TRUE (!FALSE)
#endif
typedef struct XdgAlias XdgAlias;
struct XdgAlias
{
char *alias;
char *mime_type;
};
struct XdgAliasList
{
struct XdgAlias *aliases;
int n_aliases;
};
XdgAliasList *
_xdg_mime_alias_list_new (void)
{
XdgAliasList *list;
list = malloc (sizeof (XdgAliasList));
list->aliases = NULL;
list->n_aliases = 0;
return list;
}
void
_xdg_mime_alias_list_free (XdgAliasList *list)
{
int i;
if (list->aliases)
{
for (i = 0; i < list->n_aliases; i++)
{
free (list->aliases[i].alias);
free (list->aliases[i].mime_type);
}
free (list->aliases);
}
free (list);
}
static int
alias_entry_cmp (const void *v1, const void *v2)
{
return strcmp (((XdgAlias *)v1)->alias, ((XdgAlias *)v2)->alias);
}
const char *
_xdg_mime_alias_list_lookup (XdgAliasList *list,
const char *alias)
{
XdgAlias *entry;
XdgAlias key;
if (list->n_aliases > 0)
{
key.alias = (char *)alias;
key.mime_type = 0;
entry = bsearch (&key, list->aliases, list->n_aliases,
sizeof (XdgAlias), alias_entry_cmp);
if (entry)
return entry->mime_type;
}
return NULL;
}
void
_xdg_mime_alias_read_from_file (XdgAliasList *list,
const char *file_name)
{
FILE *file;
char line[255];
int alloc;
file = fopen (file_name, "r");
if (file == NULL)
return;
/* FIXME: Not UTF-8 safe. Doesn't work if lines are greater than 255 chars.
* Blah */
alloc = list->n_aliases + 16;
list->aliases = realloc (list->aliases, alloc * sizeof (XdgAlias));
while (fgets (line, 255, file) != NULL)
{
char *sep;
if (line[0] == '#')
continue;
sep = strchr (line, ' ');
if (sep == NULL)
continue;
*(sep++) = '\000';
sep[strlen (sep) -1] = '\000';
if (list->n_aliases == alloc)
{
alloc <<= 1;
list->aliases = realloc (list->aliases,
alloc * sizeof (XdgAlias));
}
list->aliases[list->n_aliases].alias = strdup (line);
list->aliases[list->n_aliases].mime_type = strdup (sep);
list->n_aliases++;
}
list->aliases = realloc (list->aliases,
list->n_aliases * sizeof (XdgAlias));
fclose (file);
if (list->n_aliases > 1)
qsort (list->aliases, list->n_aliases,
sizeof (XdgAlias), alias_entry_cmp);
}
void
_xdg_mime_alias_list_dump (XdgAliasList *list)
{
int i;
if (list->aliases)
{
for (i = 0; i < list->n_aliases; i++)
{
printf ("%s %s\n",
list->aliases[i].alias,
list->aliases[i].mime_type);
}
}
}