1/* GIO - GLib Input, Output and Streaming Library
2 *
3 * Copyright (C) 2006-2007 Red Hat, Inc.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General
16 * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
17 *
18 * Author: Alexander Larsson <alexl@redhat.com>
19 */
20
21#include "config.h"
22#include "glocalvfs.h"
23#include "glocalfile.h"
24#include "giomodule.h"
25#include "giomodule-priv.h"
26#include "gvfs.h"
27#include <gio/gdummyfile.h>
28#include <sys/types.h>
29#ifdef G_OS_UNIX
30#include "glib-unix.h"
31#include <pwd.h>
32#endif
33#include <string.h>
34
35
36struct _GLocalVfs
37{
38 GVfs parent;
39};
40
41struct _GLocalVfsClass
42{
43 GVfsClass parent_class;
44
45};
46
47#define g_local_vfs_get_type _g_local_vfs_get_type
48G_DEFINE_TYPE_WITH_CODE (GLocalVfs, g_local_vfs, G_TYPE_VFS,
49 _g_io_modules_ensure_extension_points_registered ();
50 g_io_extension_point_implement (G_VFS_EXTENSION_POINT_NAME,
51 g_define_type_id,
52 "local",
53 0))
54static void
55g_local_vfs_finalize (GObject *object)
56{
57 /* must chain up */
58 G_OBJECT_CLASS (g_local_vfs_parent_class)->finalize (object);
59}
60
61static void
62g_local_vfs_init (GLocalVfs *vfs)
63{
64}
65
66/**
67 * g_local_vfs_new:
68 *
69 * Returns a new #GVfs handle for a local vfs.
70 *
71 * Returns: a new #GVfs handle.
72 **/
73GVfs *
74_g_local_vfs_new (void)
75{
76 return g_object_new (G_TYPE_LOCAL_VFS, NULL);
77}
78
79static GFile *
80g_local_vfs_get_file_for_path (GVfs *vfs,
81 const char *path)
82{
83 if (*path == '\0')
84 return _g_dummy_file_new (uri: path);
85 else
86 return _g_local_file_new (filename: path);
87}
88
89static GFile *
90g_local_vfs_get_file_for_uri (GVfs *vfs,
91 const char *uri)
92{
93 char *path;
94 GFile *file;
95 char *stripped_uri, *hash;
96
97 if (strchr (s: uri, c: '#') != NULL)
98 {
99 stripped_uri = g_strdup (str: uri);
100 hash = strchr (s: stripped_uri, c: '#');
101 *hash = 0;
102 }
103 else
104 stripped_uri = (char *)uri;
105
106 path = g_filename_from_uri (uri: stripped_uri, NULL, NULL);
107
108 if (stripped_uri != uri)
109 g_free (mem: stripped_uri);
110
111 if (path != NULL)
112 file = _g_local_file_new (filename: path);
113 else
114 file = _g_dummy_file_new (uri);
115
116 g_free (mem: path);
117
118 return file;
119}
120
121static const gchar * const *
122g_local_vfs_get_supported_uri_schemes (GVfs *vfs)
123{
124 static const gchar * uri_schemes[] = { "file", NULL };
125
126 return uri_schemes;
127}
128
129static GFile *
130g_local_vfs_parse_name (GVfs *vfs,
131 const char *parse_name)
132{
133 GFile *file;
134 char *filename;
135 char *user_prefix;
136 const char *user_end;
137 char *rest;
138
139 g_return_val_if_fail (G_IS_VFS (vfs), NULL);
140 g_return_val_if_fail (parse_name != NULL, NULL);
141
142 if (g_ascii_strncasecmp (s1: "file:", s2: parse_name, n: 5) == 0)
143 filename = g_filename_from_uri (uri: parse_name, NULL, NULL);
144 else
145 {
146 if (*parse_name == '~')
147 {
148#ifdef G_OS_UNIX
149 const char *user_start;
150 user_start = parse_name + 1;
151#endif
152 parse_name ++;
153
154 while (*parse_name != 0 && *parse_name != '/')
155 parse_name++;
156
157 user_end = parse_name;
158
159#ifdef G_OS_UNIX
160 if (user_end == user_start)
161 user_prefix = g_strdup (str: g_get_home_dir ());
162 else
163 {
164 struct passwd *passwd_file_entry;
165 char *user_name;
166
167 user_name = g_strndup (str: user_start, n: user_end - user_start);
168 passwd_file_entry = g_unix_get_passwd_entry (user_name, NULL);
169 g_free (mem: user_name);
170
171 if (passwd_file_entry != NULL &&
172 passwd_file_entry->pw_dir != NULL)
173 user_prefix = g_strdup (str: passwd_file_entry->pw_dir);
174 else
175 user_prefix = g_strdup (str: g_get_home_dir ());
176
177 g_free (mem: passwd_file_entry);
178 }
179#else
180 user_prefix = g_strdup (g_get_home_dir ());
181#endif
182
183 rest = NULL;
184 if (*user_end != 0)
185 rest = g_filename_from_utf8 (utf8string: user_end, len: -1, NULL, NULL, NULL);
186
187 filename = g_build_filename (first_element: user_prefix, rest, NULL);
188 g_free (mem: rest);
189 g_free (mem: user_prefix);
190 }
191 else
192 filename = g_filename_from_utf8 (utf8string: parse_name, len: -1, NULL, NULL, NULL);
193 }
194
195 if (filename == NULL)
196 filename = g_strdup (str: parse_name);
197
198 file = _g_local_file_new (filename);
199 g_free (mem: filename);
200
201 return file;
202}
203
204static gboolean
205g_local_vfs_is_active (GVfs *vfs)
206{
207 return TRUE;
208}
209
210static void
211g_local_vfs_class_init (GLocalVfsClass *class)
212{
213 GObjectClass *object_class;
214 GVfsClass *vfs_class;
215
216 object_class = (GObjectClass *) class;
217
218 object_class->finalize = g_local_vfs_finalize;
219
220 vfs_class = G_VFS_CLASS (class);
221
222 vfs_class->is_active = g_local_vfs_is_active;
223 vfs_class->get_file_for_path = g_local_vfs_get_file_for_path;
224 vfs_class->get_file_for_uri = g_local_vfs_get_file_for_uri;
225 vfs_class->get_supported_uri_schemes = g_local_vfs_get_supported_uri_schemes;
226 vfs_class->parse_name = g_local_vfs_parse_name;
227}
228

source code of gtk/subprojects/glib/gio/glocalvfs.c