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cf31d981 SI |
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 | * | |
73d5a30a | 8 | * SPDX-License-Identifier: LGPL-2.1-or-later or AFL-2.0 |
cf31d981 SI |
9 | */ |
10 | ||
11 | #ifdef HAVE_CONFIG_H | |
12 | #include <config.h> | |
13 | #endif | |
14 | ||
15 | #include "xdgmimeicon.h" | |
16 | #include "xdgmimeint.h" | |
17 | #include <stdlib.h> | |
18 | #include <stdio.h> | |
19 | #include <assert.h> | |
20 | #include <string.h> | |
21 | #include <fnmatch.h> | |
22 | ||
23 | #ifndef FALSE | |
24 | #define FALSE (0) | |
25 | #endif | |
26 | ||
27 | #ifndef TRUE | |
28 | #define TRUE (!FALSE) | |
29 | #endif | |
30 | ||
31 | typedef struct XdgIcon XdgIcon; | |
32 | ||
33 | struct XdgIcon | |
34 | { | |
35 | char *mime_type; | |
36 | char *icon_name; | |
37 | }; | |
38 | ||
39 | struct XdgIconList | |
40 | { | |
41 | struct XdgIcon *icons; | |
42 | int n_icons; | |
43 | }; | |
44 | ||
45 | XdgIconList * | |
46 | _xdg_mime_icon_list_new (void) | |
47 | { | |
48 | XdgIconList *list; | |
49 | ||
50 | list = malloc (sizeof (XdgIconList)); | |
51 | ||
52 | list->icons = NULL; | |
53 | list->n_icons = 0; | |
54 | ||
55 | return list; | |
56 | } | |
57 | ||
58 | void | |
59 | _xdg_mime_icon_list_free (XdgIconList *list) | |
60 | { | |
61 | int i; | |
62 | ||
63 | if (list->icons) | |
64 | { | |
65 | for (i = 0; i < list->n_icons; i++) | |
66 | { | |
67 | free (list->icons[i].mime_type); | |
68 | free (list->icons[i].icon_name); | |
69 | } | |
70 | free (list->icons); | |
71 | } | |
72 | free (list); | |
73 | } | |
74 | ||
75 | static int | |
76 | icon_entry_cmp (const void *v1, const void *v2) | |
77 | { | |
78 | return strcmp (((XdgIcon *)v1)->mime_type, ((XdgIcon *)v2)->mime_type); | |
79 | } | |
80 | ||
81 | const char * | |
82 | _xdg_mime_icon_list_lookup (XdgIconList *list, | |
83 | const char *mime_type) | |
84 | { | |
85 | XdgIcon *entry; | |
86 | XdgIcon key; | |
87 | ||
88 | if (list->n_icons > 0) | |
89 | { | |
90 | key.mime_type = (char *)mime_type; | |
91 | key.icon_name = NULL; | |
92 | ||
93 | entry = bsearch (&key, list->icons, list->n_icons, | |
94 | sizeof (XdgIcon), icon_entry_cmp); | |
95 | if (entry) | |
96 | return entry->icon_name; | |
97 | } | |
98 | ||
99 | return NULL; | |
100 | } | |
101 | ||
102 | void | |
103 | _xdg_mime_icon_read_from_file (XdgIconList *list, | |
104 | const char *file_name) | |
105 | { | |
106 | FILE *file; | |
107 | char line[255]; | |
108 | int alloc; | |
109 | ||
110 | file = fopen (file_name, "r"); | |
111 | ||
112 | if (file == NULL) | |
113 | return; | |
114 | ||
115 | /* FIXME: Not UTF-8 safe. Doesn't work if lines are greater than 255 chars. | |
116 | * Blah */ | |
117 | alloc = list->n_icons + 16; | |
118 | list->icons = realloc (list->icons, alloc * sizeof (XdgIcon)); | |
119 | while (fgets (line, 255, file) != NULL) | |
120 | { | |
121 | char *sep; | |
122 | if (line[0] == '#') | |
123 | continue; | |
124 | ||
125 | sep = strchr (line, ':'); | |
126 | if (sep == NULL) | |
127 | continue; | |
128 | *(sep++) = '\000'; | |
129 | sep[strlen (sep) -1] = '\000'; | |
130 | if (list->n_icons == alloc) | |
131 | { | |
132 | alloc <<= 1; | |
133 | list->icons = realloc (list->icons, | |
134 | alloc * sizeof (XdgIcon)); | |
135 | } | |
136 | list->icons[list->n_icons].mime_type = strdup (line); | |
137 | list->icons[list->n_icons].icon_name = strdup (sep); | |
138 | list->n_icons++; | |
139 | } | |
140 | list->icons = realloc (list->icons, | |
141 | list->n_icons * sizeof (XdgIcon)); | |
142 | ||
143 | fclose (file); | |
144 | ||
145 | if (list->n_icons > 1) | |
146 | qsort (list->icons, list->n_icons, | |
147 | sizeof (XdgIcon), icon_entry_cmp); | |
148 | } | |
149 | ||
150 | ||
151 | void | |
152 | _xdg_mime_icon_list_dump (XdgIconList *list) | |
153 | { | |
154 | int i; | |
155 | ||
156 | if (list->icons) | |
157 | { | |
158 | for (i = 0; i < list->n_icons; i++) | |
159 | { | |
160 | printf ("%s %s\n", | |
161 | list->icons[i].mime_type, | |
162 | list->icons[i].icon_name); | |
163 | } | |
164 | } | |
165 | } | |
166 | ||
167 |