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