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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 |