1/* -*- mode: C; c-file-style: "gnu" -*- */
2/* xdgmimeicon.c: Private file.  Datastructure for storing the aliases.
3 *
4 * More info can be found at http://www.freedesktop.org/standards/
5 *
6 * Copyright (C) 2008  Red Hat, Inc.
7 *
8 * Licensed under the Academic Free License version 2.0
9 * Or under the following terms:
10 *
11 * This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License as published by the Free Software Foundation; either
14 * version 2 of the License, or (at your option) any later version.
15 *
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU
19 * Lesser General Public License for more details.
20 *
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with this library; if not, write to the
23 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24 * Boston, MA 02111-1307, USA.
25 */
26
27#ifdef HAVE_CONFIG_H
28#include "config.h"
29#endif
30
31#include "xdgmimeicon.h"
32#include "xdgmimeint.h"
33#include <stdlib.h>
34#include <stdio.h>
35#include <assert.h>
36#include <string.h>
37#include <fnmatch.h>
38
39#ifndef	FALSE
40#define	FALSE	(0)
41#endif
42
43#ifndef	TRUE
44#define	TRUE	(!FALSE)
45#endif
46
47typedef struct XdgIcon XdgIcon;
48
49struct XdgIcon
50{
51  char *mime_type;
52  char *icon_name;
53};
54
55struct XdgIconList
56{
57  struct XdgIcon *icons;
58  int n_icons;
59};
60
61XdgIconList *
62_xdg_mime_icon_list_new (void)
63{
64  XdgIconList *list;
65
66  list = malloc (sizeof (XdgIconList));
67
68  list->icons = NULL;
69  list->n_icons = 0;
70
71  return list;
72}
73
74void
75_xdg_mime_icon_list_free (XdgIconList *list)
76{
77  int i;
78
79  if (list->icons)
80    {
81      for (i = 0; i < list->n_icons; i++)
82	{
83	  free (list->icons[i].mime_type);
84	  free (list->icons[i].icon_name);
85	}
86      free (list->icons);
87    }
88  free (list);
89}
90
91static int
92icon_entry_cmp (const void *v1, const void *v2)
93{
94  return strcmp (((XdgIcon *)v1)->mime_type, ((XdgIcon *)v2)->mime_type);
95}
96
97const char  *
98_xdg_mime_icon_list_lookup (XdgIconList *list,
99			    const char  *mime_type)
100{
101  XdgIcon *entry;
102  XdgIcon key;
103
104  if (list->n_icons > 0)
105    {
106      key.mime_type = (char *)mime_type;
107      key.icon_name = NULL;
108
109      entry = bsearch (&key, list->icons, list->n_icons,
110		       sizeof (XdgIcon), icon_entry_cmp);
111      if (entry)
112        return entry->icon_name;
113    }
114
115  return NULL;
116}
117
118void
119_xdg_mime_icon_read_from_file (XdgIconList *list,
120			       const char   *file_name)
121{
122  FILE *file;
123  char line[255];
124  int alloc;
125
126  file = fopen (file_name, "r");
127
128  if (file == NULL)
129    return;
130
131  /* FIXME: Not UTF-8 safe.  Doesn't work if lines are greater than 255 chars.
132   * Blah */
133  alloc = list->n_icons + 16;
134  list->icons = realloc (list->icons, alloc * sizeof (XdgIcon));
135  while (fgets (line, 255, file) != NULL)
136    {
137      char *sep;
138      if (line[0] == '#')
139	continue;
140
141      sep = strchr (line, ':');
142      if (sep == NULL)
143	continue;
144      *(sep++) = '\000';
145      sep[strlen (sep) -1] = '\000';
146      if (list->n_icons == alloc)
147	{
148	  alloc <<= 1;
149	  list->icons = realloc (list->icons,
150				   alloc * sizeof (XdgIcon));
151	}
152      list->icons[list->n_icons].mime_type = strdup (line);
153      list->icons[list->n_icons].icon_name = strdup (sep);
154      list->n_icons++;
155    }
156  list->icons = realloc (list->icons,
157			   list->n_icons * sizeof (XdgIcon));
158
159  fclose (file);
160
161  if (list->n_icons > 1)
162    qsort (list->icons, list->n_icons,
163           sizeof (XdgIcon), icon_entry_cmp);
164}
165
166
167void
168_xdg_mime_icon_list_dump (XdgIconList *list)
169{
170  int i;
171
172  if (list->icons)
173    {
174      for (i = 0; i < list->n_icons; i++)
175	{
176	  printf ("%s %s\n",
177		  list->icons[i].mime_type,
178		  list->icons[i].icon_name);
179	}
180    }
181}
182
183
184