glib/gio/glocalvfs.c

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/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2006-2007 Red Hat, Inc.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Author: Alexander Larsson <alexl@redhat.com>
*/
#include "config.h"
#include "glocalvfs.h"
#include "glocalfile.h"
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#include "giomodule.h"
#include "giomodule-priv.h"
#include "gvfs.h"
#include <gio/gdummyfile.h>
#include <sys/types.h>
#ifdef G_OS_UNIX
#include "glib-unix.h"
#include <pwd.h>
#endif
#include <string.h>
struct _GLocalVfs
{
GVfs parent;
};
struct _GLocalVfsClass
{
GVfsClass parent_class;
};
#define g_local_vfs_get_type _g_local_vfs_get_type
G_DEFINE_TYPE_WITH_CODE (GLocalVfs, g_local_vfs, G_TYPE_VFS,
_g_io_modules_ensure_extension_points_registered ();
g_io_extension_point_implement (G_VFS_EXTENSION_POINT_NAME,
g_define_type_id,
"local",
0))
static void
g_local_vfs_finalize (GObject *object)
{
/* must chain up */
G_OBJECT_CLASS (g_local_vfs_parent_class)->finalize (object);
}
static void
g_local_vfs_init (GLocalVfs *vfs)
{
}
/**
* g_local_vfs_new:
*
* Returns a new #GVfs handle for a local vfs.
*
* Returns: a new #GVfs handle.
**/
GVfs *
_g_local_vfs_new (void)
{
return g_object_new (G_TYPE_LOCAL_VFS, NULL);
}
static GFile *
g_local_vfs_get_file_for_path (GVfs *vfs,
const char *path)
{
if (*path == '\0')
return _g_dummy_file_new (path);
else
return _g_local_file_new (path);
}
static GFile *
g_local_vfs_get_file_for_uri (GVfs *vfs,
const char *uri)
{
char *path;
GFile *file;
path = g_filename_from_uri (uri, NULL, NULL);
if (path != NULL)
file = _g_local_file_new (path);
else
file = _g_dummy_file_new (uri);
g_free (path);
return file;
}
static const gchar * const *
g_local_vfs_get_supported_uri_schemes (GVfs *vfs)
{
static const gchar * uri_schemes[] = { "file", NULL };
return uri_schemes;
}
static GFile *
g_local_vfs_parse_name (GVfs *vfs,
const char *parse_name)
{
GFile *file;
char *filename;
char *user_prefix;
const char *user_end;
char *rest;
g_return_val_if_fail (G_IS_VFS (vfs), NULL);
g_return_val_if_fail (parse_name != NULL, NULL);
if (g_ascii_strncasecmp ("file:", parse_name, 5) == 0)
filename = g_filename_from_uri (parse_name, NULL, NULL);
else
{
if (*parse_name == '~')
{
#ifdef G_OS_UNIX
const char *user_start;
user_start = parse_name + 1;
#endif
parse_name ++;
while (*parse_name != 0 && *parse_name != '/')
parse_name++;
user_end = parse_name;
#ifdef G_OS_UNIX
if (user_end == user_start)
user_prefix = g_strdup (g_get_home_dir ());
else
{
struct passwd *passwd_file_entry;
char *user_name;
user_name = g_strndup (user_start, user_end - user_start);
passwd_file_entry = g_unix_get_passwd_entry (user_name, NULL);
g_free (user_name);
if (passwd_file_entry != NULL &&
passwd_file_entry->pw_dir != NULL)
user_prefix = g_strdup (passwd_file_entry->pw_dir);
else
user_prefix = g_strdup (g_get_home_dir ());
g_free (passwd_file_entry);
}
#else
user_prefix = g_strdup (g_get_home_dir ());
#endif
rest = NULL;
if (*user_end != 0)
rest = g_filename_from_utf8 (user_end, -1, NULL, NULL, NULL);
filename = g_build_filename (user_prefix, rest, NULL);
g_free (rest);
g_free (user_prefix);
}
else
filename = g_filename_from_utf8 (parse_name, -1, NULL, NULL, NULL);
}
if (filename == NULL)
filename = g_strdup (parse_name);
file = _g_local_file_new (filename);
g_free (filename);
return file;
}
static gboolean
g_local_vfs_is_active (GVfs *vfs)
{
return TRUE;
}
static void
g_local_vfs_class_init (GLocalVfsClass *class)
{
GObjectClass *object_class;
GVfsClass *vfs_class;
object_class = (GObjectClass *) class;
object_class->finalize = g_local_vfs_finalize;
vfs_class = G_VFS_CLASS (class);
vfs_class->is_active = g_local_vfs_is_active;
vfs_class->get_file_for_path = g_local_vfs_get_file_for_path;
vfs_class->get_file_for_uri = g_local_vfs_get_file_for_uri;
vfs_class->get_supported_uri_schemes = g_local_vfs_get_supported_uri_schemes;
vfs_class->parse_name = g_local_vfs_parse_name;
}