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gtk2/gtk/gtkfilesystemunix.c
Anders Carlsson 72804ba43e Remove trailing slashes in path names. 
2004-03-13  Anders Carlsson  <andersca@gnome.org>

	* gtk/gtkfilesystemunix.c: (remove_trailing_slash),
	(gtk_file_system_unix_get_folder),
	(gtk_file_system_unix_create_folder), (get_parent_dir),
	(gtk_file_system_unix_get_parent), (gtk_file_folder_unix_get_info):
	Remove trailing slashes in path names.
2004-03-13 19:15:21 +00:00

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/* GTK - The GIMP Toolkit
* gtkfilesystemunix.c: Default implementation of GtkFileSystem for UNIX-like systems
* Copyright (C) 2003, Red Hat, Inc.
*
* 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 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 Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <config.h>
#include "gtkfilesystem.h"
#include "gtkfilesystemunix.h"
#include "gtkicontheme.h"
#include "gtkintl.h"
#define XDG_PREFIX _gtk_xdg
#include "xdgmime/xdgmime.h"
#include <errno.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <stdio.h>
#define BOOKMARKS_FILENAME ".gtk-bookmarks"
#define BOOKMARKS_TMP_FILENAME ".gtk-bookmarks-XXXXXX"
typedef struct _GtkFileSystemUnixClass GtkFileSystemUnixClass;
#define GTK_FILE_SYSTEM_UNIX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_FILE_SYSTEM_UNIX, GtkFileSystemUnixClass))
#define GTK_IS_FILE_SYSTEM_UNIX_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_FILE_SYSTEM_UNIX))
#define GTK_FILE_SYSTEM_UNIX_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_FILE_SYSTEM_UNIX, GtkFileSystemUnixClass))
struct _GtkFileSystemUnixClass
{
GObjectClass parent_class;
};
struct _GtkFileSystemUnix
{
GObject parent_instance;
GHashTable *folder_hash;
};
/* Icon type, supplemented by MIME type
*/
typedef enum {
ICON_NONE,
ICON_REGULAR, /* Use mime type for icon */
ICON_BLOCK_DEVICE,
ICON_BROKEN_SYMBOLIC_LINK,
ICON_CHARACTER_DEVICE,
ICON_DIRECTORY,
ICON_EXECUTABLE,
ICON_FIFO,
ICON_SOCKET
} IconType;
#define GTK_TYPE_FILE_FOLDER_UNIX (gtk_file_folder_unix_get_type ())
#define GTK_FILE_FOLDER_UNIX(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_FILE_FOLDER_UNIX, GtkFileFolderUnix))
#define GTK_IS_FILE_FOLDER_UNIX(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_FILE_FOLDER_UNIX))
#define GTK_FILE_FOLDER_UNIX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_FILE_FOLDER_UNIX, GtkFileFolderUnixClass))
#define GTK_IS_FILE_FOLDER_UNIX_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_FILE_FOLDER_UNIX))
#define GTK_FILE_FOLDER_UNIX_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_FILE_FOLDER_UNIX, GtkFileFolderUnixClass))
typedef struct _GtkFileFolderUnix GtkFileFolderUnix;
typedef struct _GtkFileFolderUnixClass GtkFileFolderUnixClass;
struct _GtkFileFolderUnixClass
{
GObjectClass parent_class;
};
struct _GtkFileFolderUnix
{
GObject parent_instance;
GtkFileSystemUnix *system_unix;
GtkFileInfoType types;
gchar *filename;
};
static GObjectClass *system_parent_class;
static GObjectClass *folder_parent_class;
static void gtk_file_system_unix_class_init (GtkFileSystemUnixClass *class);
static void gtk_file_system_unix_iface_init (GtkFileSystemIface *iface);
static void gtk_file_system_unix_init (GtkFileSystemUnix *impl);
static void gtk_file_system_unix_finalize (GObject *object);
static GSList * gtk_file_system_unix_list_volumes (GtkFileSystem *file_system);
static GtkFileSystemVolume *gtk_file_system_unix_get_volume_for_path (GtkFileSystem *file_system,
const GtkFilePath *path);
static GtkFileFolder *gtk_file_system_unix_get_folder (GtkFileSystem *file_system,
const GtkFilePath *path,
GtkFileInfoType types,
GError **error);
static gboolean gtk_file_system_unix_create_folder (GtkFileSystem *file_system,
const GtkFilePath *path,
GError **error);
static void gtk_file_system_unix_volume_free (GtkFileSystem *file_system,
GtkFileSystemVolume *volume);
static GtkFilePath *gtk_file_system_unix_volume_get_base_path (GtkFileSystem *file_system,
GtkFileSystemVolume *volume);
static gboolean gtk_file_system_unix_volume_get_is_mounted (GtkFileSystem *file_system,
GtkFileSystemVolume *volume);
static gboolean gtk_file_system_unix_volume_mount (GtkFileSystem *file_system,
GtkFileSystemVolume *volume,
GError **error);
static gchar * gtk_file_system_unix_volume_get_display_name (GtkFileSystem *file_system,
GtkFileSystemVolume *volume);
static GdkPixbuf * gtk_file_system_unix_volume_render_icon (GtkFileSystem *file_system,
GtkFileSystemVolume *volume,
GtkWidget *widget,
gint pixel_size,
GError **error);
static gboolean gtk_file_system_unix_get_parent (GtkFileSystem *file_system,
const GtkFilePath *path,
GtkFilePath **parent,
GError **error);
static GtkFilePath * gtk_file_system_unix_make_path (GtkFileSystem *file_system,
const GtkFilePath *base_path,
const gchar *display_name,
GError **error);
static gboolean gtk_file_system_unix_parse (GtkFileSystem *file_system,
const GtkFilePath *base_path,
const gchar *str,
GtkFilePath **folder,
gchar **file_part,
GError **error);
static gchar * gtk_file_system_unix_path_to_uri (GtkFileSystem *file_system,
const GtkFilePath *path);
static gchar * gtk_file_system_unix_path_to_filename (GtkFileSystem *file_system,
const GtkFilePath *path);
static GtkFilePath *gtk_file_system_unix_uri_to_path (GtkFileSystem *file_system,
const gchar *uri);
static GtkFilePath *gtk_file_system_unix_filename_to_path (GtkFileSystem *file_system,
const gchar *filename);
static GdkPixbuf *gtk_file_system_unix_render_icon (GtkFileSystem *file_system,
const GtkFilePath *path,
GtkWidget *widget,
gint pixel_size,
GError **error);
static gboolean gtk_file_system_unix_insert_bookmark (GtkFileSystem *file_system,
const GtkFilePath *path,
gint position,
GError **error);
static gboolean gtk_file_system_unix_remove_bookmark (GtkFileSystem *file_system,
const GtkFilePath *path,
GError **error);
static GSList * gtk_file_system_unix_list_bookmarks (GtkFileSystem *file_system);
static GType gtk_file_folder_unix_get_type (void);
static void gtk_file_folder_unix_class_init (GtkFileFolderUnixClass *class);
static void gtk_file_folder_unix_iface_init (GtkFileFolderIface *iface);
static void gtk_file_folder_unix_init (GtkFileFolderUnix *impl);
static void gtk_file_folder_unix_finalize (GObject *object);
static GtkFileInfo *gtk_file_folder_unix_get_info (GtkFileFolder *folder,
const GtkFilePath *path,
GError **error);
static gboolean gtk_file_folder_unix_list_children (GtkFileFolder *folder,
GSList **children,
GError **error);
static GtkFilePath *filename_to_path (const gchar *filename);
static gboolean filename_is_root (const char *filename);
static GtkFileInfo *filename_get_info (const gchar *filename,
GtkFileInfoType types,
GError **error);
static char * get_parent_dir (const char *filename);
/*
* GtkFileSystemUnix
*/
GType
gtk_file_system_unix_get_type (void)
{
static GType file_system_unix_type = 0;
if (!file_system_unix_type)
{
static const GTypeInfo file_system_unix_info =
{
sizeof (GtkFileSystemUnixClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) gtk_file_system_unix_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GtkFileSystemUnix),
0, /* n_preallocs */
(GInstanceInitFunc) gtk_file_system_unix_init,
};
static const GInterfaceInfo file_system_info =
{
(GInterfaceInitFunc) gtk_file_system_unix_iface_init, /* interface_init */
NULL, /* interface_finalize */
NULL /* interface_data */
};
file_system_unix_type = g_type_register_static (G_TYPE_OBJECT,
"GtkFileSystemUnix",
&file_system_unix_info, 0);
g_type_add_interface_static (file_system_unix_type,
GTK_TYPE_FILE_SYSTEM,
&file_system_info);
}
return file_system_unix_type;
}
/**
* gtk_file_system_unix_new:
*
* Creates a new #GtkFileSystemUnix object. #GtkFileSystemUnix
* implements the #GtkFileSystem interface with direct access to
* the filesystem using Unix/Linux API calls
*
* Return value: the new #GtkFileSystemUnix object
**/
GtkFileSystem *
gtk_file_system_unix_new (void)
{
return g_object_new (GTK_TYPE_FILE_SYSTEM_UNIX, NULL);
}
static void
gtk_file_system_unix_class_init (GtkFileSystemUnixClass *class)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (class);
system_parent_class = g_type_class_peek_parent (class);
gobject_class->finalize = gtk_file_system_unix_finalize;
}
static void
gtk_file_system_unix_iface_init (GtkFileSystemIface *iface)
{
iface->list_volumes = gtk_file_system_unix_list_volumes;
iface->get_volume_for_path = gtk_file_system_unix_get_volume_for_path;
iface->get_folder = gtk_file_system_unix_get_folder;
iface->create_folder = gtk_file_system_unix_create_folder;
iface->volume_free = gtk_file_system_unix_volume_free;
iface->volume_get_base_path = gtk_file_system_unix_volume_get_base_path;
iface->volume_get_is_mounted = gtk_file_system_unix_volume_get_is_mounted;
iface->volume_mount = gtk_file_system_unix_volume_mount;
iface->volume_get_display_name = gtk_file_system_unix_volume_get_display_name;
iface->volume_render_icon = gtk_file_system_unix_volume_render_icon;
iface->get_parent = gtk_file_system_unix_get_parent;
iface->make_path = gtk_file_system_unix_make_path;
iface->parse = gtk_file_system_unix_parse;
iface->path_to_uri = gtk_file_system_unix_path_to_uri;
iface->path_to_filename = gtk_file_system_unix_path_to_filename;
iface->uri_to_path = gtk_file_system_unix_uri_to_path;
iface->filename_to_path = gtk_file_system_unix_filename_to_path;
iface->render_icon = gtk_file_system_unix_render_icon;
iface->insert_bookmark = gtk_file_system_unix_insert_bookmark;
iface->remove_bookmark = gtk_file_system_unix_remove_bookmark;
iface->list_bookmarks = gtk_file_system_unix_list_bookmarks;
}
static void
gtk_file_system_unix_init (GtkFileSystemUnix *system_unix)
{
system_unix->folder_hash = g_hash_table_new (g_str_hash, g_str_equal);
}
static void
gtk_file_system_unix_finalize (GObject *object)
{
GtkFileSystemUnix *system_unix;
system_unix = GTK_FILE_SYSTEM_UNIX (object);
/* FIXME: assert that the hash is empty? */
g_hash_table_destroy (system_unix->folder_hash);
system_parent_class->finalize (object);
}
/* Returns our single root volume */
static GtkFileSystemVolume *
get_root_volume (void)
{
return (GtkFileSystemVolume *) gtk_file_path_new_dup ("/");
}
static GSList *
gtk_file_system_unix_list_volumes (GtkFileSystem *file_system)
{
return g_slist_append (NULL, get_root_volume ());
}
static GtkFileSystemVolume *
gtk_file_system_unix_get_volume_for_path (GtkFileSystem *file_system,
const GtkFilePath *path)
{
return get_root_volume ();
}
static char *
remove_trailing_slash (const char *filename)
{
int len;
len = strlen (filename);
if (len > 1 && filename[len - 1] == '/')
return g_strndup (filename, len - 1);
else
return g_memdup (filename, len + 1);
}
static GtkFileFolder *
gtk_file_system_unix_get_folder (GtkFileSystem *file_system,
const GtkFilePath *path,
GtkFileInfoType types,
GError **error)
{
GtkFileSystemUnix *system_unix;
GtkFileFolderUnix *folder_unix;
const char *filename;
system_unix = GTK_FILE_SYSTEM_UNIX (file_system);
filename = gtk_file_path_get_string (path);
g_return_val_if_fail (filename != NULL, NULL);
g_return_val_if_fail (g_path_is_absolute (filename), NULL);
folder_unix = g_hash_table_lookup (system_unix->folder_hash, filename);
if (folder_unix)
{
folder_unix->types |= types;
return g_object_ref (folder_unix);
}
else
{
folder_unix = g_object_new (GTK_TYPE_FILE_FOLDER_UNIX, NULL);
folder_unix->system_unix = system_unix;
folder_unix->filename = remove_trailing_slash (filename);
folder_unix->types = types;
g_hash_table_insert (system_unix->folder_hash, folder_unix->filename, folder_unix);
return GTK_FILE_FOLDER (folder_unix);
}
}
static gboolean
gtk_file_system_unix_create_folder (GtkFileSystem *file_system,
const GtkFilePath *path,
GError **error)
{
GtkFileSystemUnix *system_unix;
const char *filename;
gboolean result;
char *parent, *tmp;
system_unix = GTK_FILE_SYSTEM_UNIX (file_system);
filename = gtk_file_path_get_string (path);
g_return_val_if_fail (filename != NULL, FALSE);
g_return_val_if_fail (g_path_is_absolute (filename), FALSE);
tmp = remove_trailing_slash (filename);
result = mkdir (tmp, 0777) == 0;
g_free (tmp);
if (!result)
{
int save_errno = errno;
gchar *filename_utf8 = g_filename_to_utf8 (filename, -1, NULL, NULL, NULL);
g_set_error (error,
GTK_FILE_SYSTEM_ERROR,
GTK_FILE_SYSTEM_ERROR_NONEXISTENT,
_("error creating directory '%s': %s"),
filename_utf8 ? filename_utf8 : "???",
g_strerror (save_errno));
g_free (filename_utf8);
return FALSE;
}
if (filename_is_root (filename))
return TRUE; /* hmmm, but with no notification */
parent = get_parent_dir (filename);
if (parent)
{
GtkFileFolderUnix *folder_unix;
folder_unix = g_hash_table_lookup (system_unix->folder_hash, parent);
if (folder_unix)
{
GSList *paths;
paths = g_slist_append (NULL, (GtkFilePath *) path);
g_signal_emit_by_name (folder_unix, "files-added", paths);
g_slist_free (paths);
}
}
return TRUE;
}
static void
gtk_file_system_unix_volume_free (GtkFileSystem *file_system,
GtkFileSystemVolume *volume)
{
GtkFilePath *path;
path = (GtkFilePath *) volume;
gtk_file_path_free (path);
}
static GtkFilePath *
gtk_file_system_unix_volume_get_base_path (GtkFileSystem *file_system,
GtkFileSystemVolume *volume)
{
return gtk_file_path_new_dup ("/");
}
static gboolean
gtk_file_system_unix_volume_get_is_mounted (GtkFileSystem *file_system,
GtkFileSystemVolume *volume)
{
return TRUE;
}
static gboolean
gtk_file_system_unix_volume_mount (GtkFileSystem *file_system,
GtkFileSystemVolume *volume,
GError **error)
{
g_set_error (error,
GTK_FILE_SYSTEM_ERROR,
GTK_FILE_SYSTEM_ERROR_FAILED,
_("This file system does not support mounting"));
return FALSE;
}
static gchar *
gtk_file_system_unix_volume_get_display_name (GtkFileSystem *file_system,
GtkFileSystemVolume *volume)
{
return g_strdup (_("Filesystem")); /* Same as Nautilus */
}
static IconType
get_icon_type (const char *filename,
GError **error)
{
struct stat statbuf;
IconType icon_type;
/* If stat fails, try to fall back to lstat to catch broken links
*/
if (stat (filename, &statbuf) != 0)
{
if (errno != ENOENT || lstat (filename, &statbuf) != 0)
{
int save_errno = errno;
gchar *filename_utf8 = g_filename_to_utf8 (filename, -1, NULL, NULL, NULL);
g_set_error (error,
GTK_FILE_SYSTEM_ERROR,
GTK_FILE_SYSTEM_ERROR_NONEXISTENT,
_("error getting information for '%s': %s"),
filename_utf8 ? filename_utf8 : "???",
g_strerror (save_errno));
g_free (filename_utf8);
return ICON_NONE;
}
}
if (S_ISBLK (statbuf.st_mode))
icon_type = ICON_BLOCK_DEVICE;
else if (S_ISLNK (statbuf.st_mode))
icon_type = ICON_BROKEN_SYMBOLIC_LINK; /* See above */
else if (S_ISCHR (statbuf.st_mode))
icon_type = ICON_CHARACTER_DEVICE;
else if (S_ISDIR (statbuf.st_mode))
icon_type = ICON_DIRECTORY;
else if (S_ISFIFO (statbuf.st_mode))
icon_type = ICON_FIFO;
else if (S_ISSOCK (statbuf.st_mode))
icon_type = ICON_SOCKET;
else
{
icon_type = ICON_REGULAR;
#if 0
if ((types & GTK_FILE_INFO_ICON) && icon_type == GTK_FILE_ICON_REGULAR &&
(statbuf.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH)) &&
(strcmp (mime_type, XDG_MIME_TYPE_UNKNOWN) == 0 ||
strcmp (mime_type, "application/x-executable") == 0 ||
strcmp (mime_type, "application/x-shellscript") == 0))
gtk_file_info_set_icon_type (info, GTK_FILE_ICON_EXECUTABLE);
#endif
}
return icon_type;
}
typedef struct
{
gint size;
GdkPixbuf *pixbuf;
} IconCacheElement;
static void
icon_cache_element_free (IconCacheElement *element)
{
if (element->pixbuf)
g_object_unref (element->pixbuf);
g_free (element);
}
static void
icon_theme_changed (GtkIconTheme *icon_theme)
{
GHashTable *cache;
/* Difference from the initial creation is that we don't
* reconnect the signal
*/
cache = g_hash_table_new_full (g_str_hash, g_str_equal,
(GDestroyNotify)g_free,
(GDestroyNotify)icon_cache_element_free);
g_object_set_data_full (G_OBJECT (icon_theme), "gtk-file-icon-cache",
cache, (GDestroyNotify)g_hash_table_destroy);
}
static GdkPixbuf *
get_cached_icon (GtkWidget *widget,
const gchar *name,
gint pixel_size)
{
GtkIconTheme *icon_theme = gtk_icon_theme_get_for_screen (gtk_widget_get_screen (widget));
GHashTable *cache = g_object_get_data (G_OBJECT (icon_theme), "gtk-file-icon-cache");
IconCacheElement *element;
if (!cache)
{
cache = g_hash_table_new_full (g_str_hash, g_str_equal,
(GDestroyNotify)g_free,
(GDestroyNotify)icon_cache_element_free);
g_object_set_data_full (G_OBJECT (icon_theme), "gtk-file-icon-cache",
cache, (GDestroyNotify)g_hash_table_destroy);
g_signal_connect (icon_theme, "changed",
G_CALLBACK (icon_theme_changed), NULL);
}
element = g_hash_table_lookup (cache, name);
if (!element)
{
element = g_new0 (IconCacheElement, 1);
g_hash_table_insert (cache, g_strdup (name), element);
}
if (element->size != pixel_size)
{
if (element->pixbuf)
g_object_unref (element->pixbuf);
element->size = pixel_size;
element->pixbuf = gtk_icon_theme_load_icon (icon_theme, name,
pixel_size, 0, NULL);
}
return element->pixbuf ? g_object_ref (element->pixbuf) : NULL;
}
static GdkPixbuf *
gtk_file_system_unix_volume_render_icon (GtkFileSystem *file_system,
GtkFileSystemVolume *volume,
GtkWidget *widget,
gint pixel_size,
GError **error)
{
/* FIXME: set the GError if we can't load the icon */
return get_cached_icon (widget, "gnome-fs-blockdev", pixel_size);
}
static char *
get_parent_dir (const char *filename)
{
int len;
len = strlen (filename);
/* Ignore trailing slashes */
if (filename[len - 1] == '/')
{
char *tmp, *parent;
tmp = g_strndup (filename, len - 1);
parent = g_path_get_dirname (tmp);
g_free (tmp);
return parent;
}
else
return g_path_get_dirname (filename);
}
static gboolean
gtk_file_system_unix_get_parent (GtkFileSystem *file_system,
const GtkFilePath *path,
GtkFilePath **parent,
GError **error)
{
const char *filename;
filename = gtk_file_path_get_string (path);
g_return_val_if_fail (filename != NULL, FALSE);
g_return_val_if_fail (g_path_is_absolute (filename), FALSE);
if (filename_is_root (filename))
{
*parent = NULL;
}
else
{
gchar *parent_filename = get_parent_dir (filename);
*parent = filename_to_path (parent_filename);
g_free (parent_filename);
}
return TRUE;
}
static GtkFilePath *
gtk_file_system_unix_make_path (GtkFileSystem *file_system,
const GtkFilePath *base_path,
const gchar *display_name,
GError **error)
{
const char *base_filename;
gchar *filename;
gchar *full_filename;
GError *tmp_error = NULL;
GtkFilePath *result;
base_filename = gtk_file_path_get_string (base_path);
g_return_val_if_fail (base_filename != NULL, NULL);
g_return_val_if_fail (g_path_is_absolute (base_filename), NULL);
filename = g_filename_from_utf8 (display_name, -1, NULL, NULL, &tmp_error);
if (!filename)
{
g_set_error (error,
GTK_FILE_SYSTEM_ERROR,
GTK_FILE_SYSTEM_ERROR_BAD_FILENAME,
"%s",
tmp_error->message);
g_error_free (tmp_error);
return NULL;
}
full_filename = g_build_filename (base_filename, filename, NULL);
result = filename_to_path (full_filename);
g_free (filename);
g_free (full_filename);
return result;
}
/* If this was a publically exported function, it should return
* a dup'ed result, but we make it modify-in-place for efficiency
* here, and because it works for us.
*/
static void
canonicalize_filename (gchar *filename)
{
gchar *p, *q;
gboolean last_was_slash = FALSE;
p = filename;
q = filename;
while (*p)
{
if (*p == G_DIR_SEPARATOR)
{
if (!last_was_slash)
*q++ = G_DIR_SEPARATOR;
last_was_slash = TRUE;
}
else
{
if (last_was_slash && *p == '.')
{
if (*(p + 1) == G_DIR_SEPARATOR ||
*(p + 1) == '\0')
{
if (*(p + 1) == '\0')
break;
p += 1;
}
else if (*(p + 1) == '.' &&
(*(p + 2) == G_DIR_SEPARATOR ||
*(p + 2) == '\0'))
{
if (q > filename + 1)
{
q--;
while (q > filename + 1 &&
*(q - 1) != G_DIR_SEPARATOR)
q--;
}
if (*(p + 2) == '\0')
break;
p += 2;
}
else
{
*q++ = *p;
last_was_slash = FALSE;
}
}
else
{
*q++ = *p;
last_was_slash = FALSE;
}
}
p++;
}
if (q > filename + 1 && *(q - 1) == G_DIR_SEPARATOR)
q--;
*q = '\0';
}
static gboolean
gtk_file_system_unix_parse (GtkFileSystem *file_system,
const GtkFilePath *base_path,
const gchar *str,
GtkFilePath **folder,
gchar **file_part,
GError **error)
{
const char *base_filename;
gchar *last_slash;
gboolean result = FALSE;
base_filename = gtk_file_path_get_string (base_path);
g_return_val_if_fail (base_filename != NULL, FALSE);
g_return_val_if_fail (g_path_is_absolute (base_filename), FALSE);
last_slash = strrchr (str, G_DIR_SEPARATOR);
if (!last_slash)
{
*folder = gtk_file_path_copy (base_path);
*file_part = g_strdup (str);
result = TRUE;
}
else
{
gchar *folder_part;
gchar *folder_path;
GError *tmp_error = NULL;
if (last_slash == str)
folder_part = g_strdup ("/");
else
folder_part = g_filename_from_utf8 (str, last_slash - str,
NULL, NULL, &tmp_error);
if (!folder_part)
{
g_set_error (error,
GTK_FILE_SYSTEM_ERROR,
GTK_FILE_SYSTEM_ERROR_BAD_FILENAME,
"%s",
tmp_error->message);
g_error_free (tmp_error);
}
else
{
if (folder_part[0] == G_DIR_SEPARATOR)
folder_path = folder_part;
else
{
folder_path = g_build_filename (base_filename, folder_part, NULL);
g_free (folder_part);
}
canonicalize_filename (folder_path);
*folder = filename_to_path (folder_path);
*file_part = g_strdup (last_slash + 1);
g_free (folder_path);
result = TRUE;
}
}
return result;
}
static gchar *
gtk_file_system_unix_path_to_uri (GtkFileSystem *file_system,
const GtkFilePath *path)
{
return g_filename_to_uri (gtk_file_path_get_string (path), NULL, NULL);
}
static gchar *
gtk_file_system_unix_path_to_filename (GtkFileSystem *file_system,
const GtkFilePath *path)
{
return g_strdup (gtk_file_path_get_string (path));
}
static GtkFilePath *
gtk_file_system_unix_uri_to_path (GtkFileSystem *file_system,
const gchar *uri)
{
gchar *filename = g_filename_from_uri (uri, NULL, NULL);
if (filename)
return gtk_file_path_new_steal (filename);
else
return NULL;
}
static GtkFilePath *
gtk_file_system_unix_filename_to_path (GtkFileSystem *file_system,
const gchar *filename)
{
return gtk_file_path_new_dup (filename);
}
static const char *
get_icon_for_directory (const char *path)
{
static char *desktop_path = NULL;
if (!g_get_home_dir ())
return "gnome-fs-directory";
if (!desktop_path)
desktop_path = g_build_filename (g_get_home_dir (), "Desktop", NULL);
if (strcmp (g_get_home_dir (), path) == 0)
return "gnome-fs-home";
else if (strcmp (desktop_path, path) == 0)
return "gnome-fs-desktop";
else
return "gnome-fs-directory";
}
static GdkPixbuf *
gtk_file_system_unix_render_icon (GtkFileSystem *file_system,
const GtkFilePath *path,
GtkWidget *widget,
gint pixel_size,
GError **error)
{
const char *filename;
IconType icon_type;
const char *mime_type;
filename = gtk_file_path_get_string (path);
icon_type = get_icon_type (filename, error);
/* FIXME: this function should not return NULL without setting the GError; we
* should perhaps provide a "never fails" generic stock icon for when all else
* fails.
*/
if (icon_type == ICON_NONE)
return NULL;
if (icon_type != ICON_REGULAR)
{
const char *name;
switch (icon_type)
{
case ICON_BLOCK_DEVICE:
name = "gnome-fs-blockdev";
break;
case ICON_BROKEN_SYMBOLIC_LINK:
name = "gnome-fs-symlink";
break;
case ICON_CHARACTER_DEVICE:
name = "gnome-fs-chardev";
break;
case ICON_DIRECTORY:
name = get_icon_for_directory (filename);
break;
case ICON_EXECUTABLE:
name ="gnome-fs-executable";
break;
case ICON_FIFO:
name = "gnome-fs-fifo";
break;
case ICON_SOCKET:
name = "gnome-fs-socket";
break;
default:
g_assert_not_reached ();
return NULL;
}
return get_cached_icon (widget, name, pixel_size);
}
mime_type = xdg_mime_get_mime_type_for_file (filename);
if (mime_type)
{
const char *separator;
GString *icon_name;
GdkPixbuf *pixbuf;
separator = strchr (mime_type, '/');
if (!separator)
return NULL;
icon_name = g_string_new ("gnome-mime-");
g_string_append_len (icon_name, mime_type, separator - mime_type);
g_string_append_c (icon_name, '-');
g_string_append (icon_name, separator + 1);
pixbuf = get_cached_icon (widget, icon_name->str, pixel_size);
g_string_free (icon_name, TRUE);
if (pixbuf)
return pixbuf;
icon_name = g_string_new ("gnome-mime-");
g_string_append_len (icon_name, mime_type, separator - mime_type);
pixbuf = get_cached_icon (widget, icon_name->str, pixel_size);
g_string_free (icon_name, TRUE);
if (pixbuf)
return pixbuf;
}
return get_cached_icon (widget, "gnome-fs-regular", pixel_size);
}
static void
bookmark_list_free (GSList *list)
{
GSList *l;
for (l = list; l; l = l->next)
g_free (l->data);
g_slist_free (list);
}
/* Returns whether a URI is a local file:// */
static gboolean
is_local_uri (const char *uri)
{
char *filename;
char *hostname;
gboolean result;
/* This is rather crude, but hey */
filename = g_filename_from_uri (uri, &hostname, NULL);
result = (filename && !hostname);
g_free (filename);
g_free (hostname);
return result;
}
static char *
bookmark_get_filename (gboolean tmp_file)
{
char *filename;
filename = g_build_filename (g_get_home_dir (),
tmp_file ? BOOKMARKS_TMP_FILENAME : BOOKMARKS_FILENAME,
NULL);
g_assert (filename != NULL);
return filename;
}
static gboolean
bookmark_list_read (GSList **bookmarks, GError **error)
{
gchar *filename;
gchar *contents;
gboolean result = FALSE;
filename = bookmark_get_filename (FALSE);
*bookmarks = NULL;
if (g_file_get_contents (filename, &contents, NULL, error))
{
gchar **lines = g_strsplit (contents, "\n", -1);
int i;
GHashTable *table;
table = g_hash_table_new (g_str_hash, g_str_equal);
for (i = 0; lines[i]; i++)
{
if (lines[i][0] && !g_hash_table_lookup (table, lines[i]))
{
*bookmarks = g_slist_prepend (*bookmarks, g_strdup (lines[i]));
g_hash_table_insert (table, lines[i], lines[i]);
}
}
g_free (contents);
g_hash_table_destroy (table);
g_strfreev (lines);
*bookmarks = g_slist_reverse (*bookmarks);
result = TRUE;
}
g_free (filename);
return result;
}
static gboolean
bookmark_list_write (GSList *bookmarks, GError **error)
{
char *tmp_filename;
char *filename;
gboolean result = TRUE;
FILE *file;
int fd;
int saved_errno;
/* First, write a temporary file */
tmp_filename = bookmark_get_filename (TRUE);
filename = bookmark_get_filename (FALSE);
fd = g_mkstemp (tmp_filename);
if (fd == -1)
{
saved_errno = errno;
goto io_error;
}
if ((file = fdopen (fd, "w")) != NULL)
{
GSList *l;
for (l = bookmarks; l; l = l->next)
if (fputs (l->data, file) == EOF
|| fputs ("\n", file) == EOF)
{
saved_errno = errno;
goto io_error;
}
if (fclose (file) == EOF)
{
saved_errno = errno;
goto io_error;
}
if (rename (tmp_filename, filename) == -1)
{
saved_errno = errno;
goto io_error;
}
result = TRUE;
goto out;
}
else
{
saved_errno = errno;
/* fdopen() failed, so we can't do much error checking here anyway */
close (fd);
}
io_error:
g_set_error (error,
GTK_FILE_SYSTEM_ERROR,
GTK_FILE_SYSTEM_ERROR_FAILED,
_("Bookmark saving failed (%s)"),
g_strerror (saved_errno));
result = FALSE;
if (fd != -1)
unlink (tmp_filename); /* again, not much error checking we can do here */
out:
g_free (filename);
g_free (tmp_filename);
return result;
}
static gboolean
gtk_file_system_unix_insert_bookmark (GtkFileSystem *file_system,
const GtkFilePath *path,
gint position,
GError **error)
{
GSList *bookmarks;
int num_bookmarks;
GSList *l;
char *uri;
gboolean result;
GError *err;
err = NULL;
if (!bookmark_list_read (&bookmarks, &err) && err->code != G_FILE_ERROR_NOENT)
{
g_propagate_error (error, err);
return FALSE;
}
num_bookmarks = g_slist_length (bookmarks);
g_return_val_if_fail (position >= -1 && position <= num_bookmarks, FALSE);
result = FALSE;
uri = gtk_file_system_unix_path_to_uri (file_system, path);
for (l = bookmarks; l; l = l->next)
{
const char *bookmark;
bookmark = l->data;
if (strcmp (bookmark, uri) == 0)
{
g_set_error (error,
GTK_FILE_SYSTEM_ERROR,
GTK_FILE_SYSTEM_ERROR_ALREADY_EXISTS,
"%s already exists in the bookmarks list",
uri);
goto out;
}
}
bookmarks = g_slist_insert (bookmarks, g_strdup (uri), position);
if (bookmark_list_write (bookmarks, error))
{
result = TRUE;
g_signal_emit_by_name (file_system, "bookmarks-changed", 0);
}
out:
g_free (uri);
bookmark_list_free (bookmarks);
return result;
}
static gboolean
gtk_file_system_unix_remove_bookmark (GtkFileSystem *file_system,
const GtkFilePath *path,
GError **error)
{
GSList *bookmarks;
char *uri;
GSList *l;
gboolean result;
if (!bookmark_list_read (&bookmarks, error))
return FALSE;
result = FALSE;
uri = gtk_file_system_path_to_uri (file_system, path);
for (l = bookmarks; l; l = l->next)
{
const char *bookmark;
bookmark = l->data;
if (strcmp (bookmark, uri) == 0)
{
g_free (l->data);
bookmarks = g_slist_remove_link (bookmarks, l);
g_slist_free_1 (l);
if (bookmark_list_write (bookmarks, error))
{
result = TRUE;
g_signal_emit_by_name (file_system, "bookmarks-changed", 0);
}
goto out;
}
}
g_set_error (error,
GTK_FILE_SYSTEM_ERROR,
GTK_FILE_SYSTEM_ERROR_NONEXISTENT,
"%s does not exist in the bookmarks list",
uri);
out:
g_free (uri);
bookmark_list_free (bookmarks);
return result;
}
static GSList *
gtk_file_system_unix_list_bookmarks (GtkFileSystem *file_system)
{
GSList *bookmarks;
GSList *result;
GSList *l;
if (!bookmark_list_read (&bookmarks, NULL))
return NULL;
result = NULL;
for (l = bookmarks; l; l = l->next)
{
const char *name;
name = l->data;
if (is_local_uri (name))
result = g_slist_prepend (result, gtk_file_system_unix_uri_to_path (file_system, name));
}
bookmark_list_free (bookmarks);
result = g_slist_reverse (result);
return result;
}
/*
* GtkFileFolderUnix
*/
static GType
gtk_file_folder_unix_get_type (void)
{
static GType file_folder_unix_type = 0;
if (!file_folder_unix_type)
{
static const GTypeInfo file_folder_unix_info =
{
sizeof (GtkFileFolderUnixClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) gtk_file_folder_unix_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GtkFileFolderUnix),
0, /* n_preallocs */
(GInstanceInitFunc) gtk_file_folder_unix_init,
};
static const GInterfaceInfo file_folder_info =
{
(GInterfaceInitFunc) gtk_file_folder_unix_iface_init, /* interface_init */
NULL, /* interface_finalize */
NULL /* interface_data */
};
file_folder_unix_type = g_type_register_static (G_TYPE_OBJECT,
"GtkFileFolderUnix",
&file_folder_unix_info, 0);
g_type_add_interface_static (file_folder_unix_type,
GTK_TYPE_FILE_FOLDER,
&file_folder_info);
}
return file_folder_unix_type;
}
static void
gtk_file_folder_unix_class_init (GtkFileFolderUnixClass *class)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (class);
folder_parent_class = g_type_class_peek_parent (class);
gobject_class->finalize = gtk_file_folder_unix_finalize;
}
static void
gtk_file_folder_unix_iface_init (GtkFileFolderIface *iface)
{
iface->get_info = gtk_file_folder_unix_get_info;
iface->list_children = gtk_file_folder_unix_list_children;
}
static void
gtk_file_folder_unix_init (GtkFileFolderUnix *impl)
{
}
static void
gtk_file_folder_unix_finalize (GObject *object)
{
GtkFileFolderUnix *folder_unix = GTK_FILE_FOLDER_UNIX (object);
g_hash_table_remove (folder_unix->system_unix->folder_hash, folder_unix->filename);
g_free (folder_unix->filename);
folder_parent_class->finalize (object);
}
static GtkFileInfo *
gtk_file_folder_unix_get_info (GtkFileFolder *folder,
const GtkFilePath *path,
GError **error)
{
GtkFileFolderUnix *folder_unix = GTK_FILE_FOLDER_UNIX (folder);
GtkFileInfo *info;
gchar *dirname;
const char *filename;
filename = gtk_file_path_get_string (path);
g_return_val_if_fail (filename != NULL, NULL);
g_return_val_if_fail (g_path_is_absolute (filename), NULL);
dirname = get_parent_dir (filename);
g_return_val_if_fail (strcmp (dirname, folder_unix->filename) == 0, NULL);
g_free (dirname);
info = filename_get_info (filename, folder_unix->types, error);
return info;
}
static gboolean
gtk_file_folder_unix_list_children (GtkFileFolder *folder,
GSList **children,
GError **error)
{
GtkFileFolderUnix *folder_unix = GTK_FILE_FOLDER_UNIX (folder);
GError *tmp_error = NULL;
GDir *dir;
*children = NULL;
dir = g_dir_open (folder_unix->filename, 0, &tmp_error);
if (!dir)
{
g_set_error (error,
GTK_FILE_SYSTEM_ERROR,
GTK_FILE_SYSTEM_ERROR_NONEXISTENT,
"%s",
tmp_error->message);
g_error_free (tmp_error);
return FALSE;
}
while (TRUE)
{
const gchar *filename = g_dir_read_name (dir);
gchar *fullname;
if (!filename)
break;
fullname = g_build_filename (folder_unix->filename, filename, NULL);
*children = g_slist_prepend (*children, filename_to_path (fullname));
g_free (fullname);
}
g_dir_close (dir);
*children = g_slist_reverse (*children);
return TRUE;
}
static GtkFileInfo *
filename_get_info (const gchar *filename,
GtkFileInfoType types,
GError **error)
{
GtkFileInfo *info;
struct stat statbuf;
gboolean do_stat = (types & (GTK_FILE_INFO_IS_FOLDER |
GTK_FILE_INFO_IS_HIDDEN |
GTK_FILE_INFO_MODIFICATION_TIME |
GTK_FILE_INFO_SIZE));
/* If stat fails, try to fall back to lstat to catch broken links
*/
if (do_stat && stat (filename, &statbuf) != 0)
{
if (errno != ENOENT || lstat (filename, &statbuf) != 0)
{
int save_errno = errno;
gchar *filename_utf8 = g_filename_to_utf8 (filename, -1, NULL, NULL, NULL);
g_set_error (error,
GTK_FILE_SYSTEM_ERROR,
GTK_FILE_SYSTEM_ERROR_NONEXISTENT,
_("error getting information for '%s': %s"),
filename_utf8 ? filename_utf8 : "???",
g_strerror (save_errno));
g_free (filename_utf8);
return NULL;
}
}
info = gtk_file_info_new ();
if (filename_is_root (filename))
{
if (types & GTK_FILE_INFO_DISPLAY_NAME)
gtk_file_info_set_display_name (info, "/");
if (types & GTK_FILE_INFO_IS_HIDDEN)
gtk_file_info_set_is_hidden (info, FALSE);
}
else
{
gchar *basename = g_path_get_basename (filename);
if (types & GTK_FILE_INFO_DISPLAY_NAME)
{
gchar *display_name = g_filename_to_utf8 (basename, -1, NULL, NULL, NULL);
if (!display_name)
display_name = g_strescape (basename, NULL);
gtk_file_info_set_display_name (info, display_name);
g_free (display_name);
}
if (types & GTK_FILE_INFO_IS_HIDDEN)
{
gtk_file_info_set_is_hidden (info, basename[0] == '.');
}
g_free (basename);
}
if (types & GTK_FILE_INFO_IS_FOLDER)
{
gtk_file_info_set_is_folder (info, S_ISDIR (statbuf.st_mode));
}
if (types & GTK_FILE_INFO_MIME_TYPE)
{
const char *mime_type = xdg_mime_get_mime_type_for_file (filename);
gtk_file_info_set_mime_type (info, mime_type);
}
if (types & GTK_FILE_INFO_MODIFICATION_TIME)
{
gtk_file_info_set_modification_time (info, statbuf.st_mtime);
}
if (types & GTK_FILE_INFO_SIZE)
{
gtk_file_info_set_size (info, (gint64)statbuf.st_size);
}
return info;
}
static GtkFilePath *
filename_to_path (const char *filename)
{
return gtk_file_path_new_dup (filename);
}
static gboolean
filename_is_root (const char *filename)
{
const gchar *after_root;
after_root = g_path_skip_root (filename);
return (after_root != NULL && *after_root == '\0');
}
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