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/* -*- mode: C; c-file-style: "gnu" -*- */
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/* xdgmimealias.c: Private file. Datastructure for storing the hierarchy.
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* More info can be found at http://www.freedesktop.org/standards/
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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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* Licensed under the Academic Free License version 2.0
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* Or under the following terms:
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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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* 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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* 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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#include "xdgmimeparent.h"
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#include "xdgmimeint.h"
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typedef struct XdgMimeParents XdgMimeParents;
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struct XdgMimeParents *parents;
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_xdg_mime_parent_list_new (void)
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list = malloc (sizeof (XdgParentList));
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_xdg_mime_parent_list_free (XdgParentList *list)
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for (i = 0; i < list->n_mimes; i++)
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for (p = list->parents[i].parents; *p; p++)
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free (list->parents[i].parents);
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free (list->parents[i].mime);
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parent_entry_cmp (const void *v1, const void *v2)
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return strcmp (((XdgMimeParents *)v1)->mime, ((XdgMimeParents *)v2)->mime);
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_xdg_mime_parent_list_lookup (XdgParentList *list,
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XdgMimeParents *entry;
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if (list->n_mimes > 0)
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key.mime = (char *)mime;
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entry = bsearch (&key, list->parents, list->n_mimes,
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sizeof (XdgMimeParents), &parent_entry_cmp);
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return (const char **)entry->parents;
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_xdg_mime_parent_read_from_file (XdgParentList *list,
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const char *file_name)
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XdgMimeParents *entry;
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file = fopen (file_name, "r");
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/* FIXME: Not UTF-8 safe. Doesn't work if lines are greater than 255 chars.
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alloc = list->n_mimes + 16;
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list->parents = realloc (list->parents, alloc * sizeof (XdgMimeParents));
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while (fgets (line, 255, file) != NULL)
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sep = strchr (line, ' ');
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sep[strlen (sep) -1] = '\000';
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for (i = 0; i < list->n_mimes; i++)
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if (strcmp (list->parents[i].mime, line) == 0)
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entry = &(list->parents[i]);
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if (list->n_mimes == alloc)
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list->parents = realloc (list->parents,
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alloc * sizeof (XdgMimeParents));
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list->parents[list->n_mimes].mime = strdup (line);
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list->parents[list->n_mimes].parents = NULL;
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entry = &(list->parents[list->n_mimes]);
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entry->n_parents = 1;
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entry->parents = malloc ((entry->n_parents + 1) * sizeof (char *));
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entry->n_parents += 1;
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entry->parents = realloc (entry->parents,
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(entry->n_parents + 2) * sizeof (char *));
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entry->parents[entry->n_parents - 1] = strdup (sep);
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entry->parents[entry->n_parents] = NULL;
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list->parents = realloc (list->parents,
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list->n_mimes * sizeof (XdgMimeParents));
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if (list->n_mimes > 1)
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qsort (list->parents, list->n_mimes,
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sizeof (XdgMimeParents), &parent_entry_cmp);
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_xdg_mime_parent_list_dump (XdgParentList *list)
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for (i = 0; i < list->n_mimes; i++)
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for (p = list->parents[i].parents; *p; p++)
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printf ("%s %s\n", list->parents[i].mime, *p);