| 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 "cmakeconfig.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 | |
| 47 | typedef struct XdgIcon XdgIcon; |
| 48 | |
| 49 | struct XdgIcon |
| 50 | { |
| 51 | char *mime_type; |
| 52 | char *icon_name; |
| 53 | }; |
| 54 | |
| 55 | struct XdgIconList |
| 56 | { |
| 57 | struct XdgIcon *icons; |
| 58 | int n_icons; |
| 59 | }; |
| 60 | |
| 61 | XdgIconList * |
| 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 | |
| 74 | void |
| 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 | |
| 91 | static int |
| 92 | icon_entry_cmp (const void *v1, const void *v2) |
| 93 | { |
| 94 | return strcmp (((XdgIcon *)v1)->mime_type, ((XdgIcon *)v2)->mime_type); |
| 95 | } |
| 96 | |
| 97 | const 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 | |
| 118 | void |
| 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 | |
| 167 | void |
| 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 | |