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 2.1 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, see <http://www.gnu.org/licenses/>. |
23 | */ |
24 | |
25 | #include "config.h" |
26 | |
27 | #include "xdgmimeicon.h" |
28 | #include "xdgmimeint.h" |
29 | #include <stdlib.h> |
30 | #include <stdio.h> |
31 | #include <assert.h> |
32 | #include <string.h> |
33 | #include <fnmatch.h> |
34 | |
35 | #ifndef FALSE |
36 | #define FALSE (0) |
37 | #endif |
38 | |
39 | #ifndef TRUE |
40 | #define TRUE (!FALSE) |
41 | #endif |
42 | |
43 | typedef struct XdgIcon XdgIcon; |
44 | |
45 | struct XdgIcon |
46 | { |
47 | char *mime_type; |
48 | char *icon_name; |
49 | }; |
50 | |
51 | struct XdgIconList |
52 | { |
53 | struct XdgIcon *icons; |
54 | int n_icons; |
55 | }; |
56 | |
57 | XdgIconList * |
58 | _xdg_mime_icon_list_new (void) |
59 | { |
60 | XdgIconList *list; |
61 | |
62 | list = malloc (size: sizeof (XdgIconList)); |
63 | |
64 | list->icons = NULL; |
65 | list->n_icons = 0; |
66 | |
67 | return list; |
68 | } |
69 | |
70 | void |
71 | _xdg_mime_icon_list_free (XdgIconList *list) |
72 | { |
73 | int i; |
74 | |
75 | if (list->icons) |
76 | { |
77 | for (i = 0; i < list->n_icons; i++) |
78 | { |
79 | free (ptr: list->icons[i].mime_type); |
80 | free (ptr: list->icons[i].icon_name); |
81 | } |
82 | free (ptr: list->icons); |
83 | } |
84 | free (ptr: list); |
85 | } |
86 | |
87 | static int |
88 | icon_entry_cmp (const void *v1, const void *v2) |
89 | { |
90 | return strcmp (s1: ((XdgIcon *)v1)->mime_type, s2: ((XdgIcon *)v2)->mime_type); |
91 | } |
92 | |
93 | const char * |
94 | _xdg_mime_icon_list_lookup (XdgIconList *list, |
95 | const char *mime_type) |
96 | { |
97 | XdgIcon *entry; |
98 | XdgIcon key; |
99 | |
100 | if (list->n_icons > 0) |
101 | { |
102 | key.mime_type = (char *)mime_type; |
103 | key.icon_name = NULL; |
104 | |
105 | entry = bsearch (key: &key, base: list->icons, nmemb: list->n_icons, |
106 | size: sizeof (XdgIcon), compar: icon_entry_cmp); |
107 | if (entry) |
108 | return entry->icon_name; |
109 | } |
110 | |
111 | return NULL; |
112 | } |
113 | |
114 | void |
115 | _xdg_mime_icon_read_from_file (XdgIconList *list, |
116 | const char *file_name) |
117 | { |
118 | FILE *file; |
119 | char line[255]; |
120 | int alloc; |
121 | |
122 | file = fopen (filename: file_name, modes: "r" ); |
123 | |
124 | if (file == NULL) |
125 | return; |
126 | |
127 | /* FIXME: Not UTF-8 safe. Doesn't work if lines are greater than 255 chars. |
128 | * Blah */ |
129 | alloc = list->n_icons + 16; |
130 | list->icons = realloc (ptr: list->icons, size: alloc * sizeof (XdgIcon)); |
131 | while (fgets (s: line, n: 255, stream: file) != NULL) |
132 | { |
133 | char *sep; |
134 | if (line[0] == '#') |
135 | continue; |
136 | |
137 | sep = strchr (s: line, c: ':'); |
138 | if (sep == NULL) |
139 | continue; |
140 | *(sep++) = '\000'; |
141 | sep[strlen (s: sep) -1] = '\000'; |
142 | if (list->n_icons == alloc) |
143 | { |
144 | alloc <<= 1; |
145 | list->icons = realloc (ptr: list->icons, |
146 | size: alloc * sizeof (XdgIcon)); |
147 | } |
148 | list->icons[list->n_icons].mime_type = strdup (s: line); |
149 | list->icons[list->n_icons].icon_name = strdup (s: sep); |
150 | list->n_icons++; |
151 | } |
152 | list->icons = realloc (ptr: list->icons, |
153 | size: list->n_icons * sizeof (XdgIcon)); |
154 | |
155 | fclose (stream: file); |
156 | |
157 | if (list->n_icons > 1) |
158 | qsort (base: list->icons, nmemb: list->n_icons, |
159 | size: sizeof (XdgIcon), compar: icon_entry_cmp); |
160 | } |
161 | |
162 | #ifdef NOT_USED_IN_GIO |
163 | |
164 | void |
165 | _xdg_mime_icon_list_dump (XdgIconList *list) |
166 | { |
167 | int i; |
168 | |
169 | if (list->icons) |
170 | { |
171 | for (i = 0; i < list->n_icons; i++) |
172 | { |
173 | printf ("%s %s\n" , |
174 | list->icons[i].mime_type, |
175 | list->icons[i].icon_name); |
176 | } |
177 | } |
178 | } |
179 | |
180 | #endif |
181 | |