diff options
Diffstat (limited to 'lib/xdgmime/xdgmimealias.c')
| -rw-r--r-- | lib/xdgmime/xdgmimealias.c | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/lib/xdgmime/xdgmimealias.c b/lib/xdgmime/xdgmimealias.c new file mode 100644 index 0000000..2dd70f1 --- /dev/null +++ b/lib/xdgmime/xdgmimealias.c @@ -0,0 +1,184 @@ +/* -*- 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); + } + } +} + + |