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| 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 | |
| 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 | |
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