Initial revision
This commit is contained in:
Owen Taylor
588
gtk/gtkfilesystemunix.c
Normal file
588
gtk/gtkfilesystemunix.c
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@ -0,0 +1,588 @@
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/* GTK - The GIMP Toolkit
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* gtkfilesystemunix.c: Default implementation of GtkFileSystem for UNIX-like systems
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* Copyright (C) 2003, Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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||||
* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "gtkfilesystem.h"
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#include "gtkfilesystemunix.h"
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#include <errno.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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typedef struct _GtkFileSystemUnixClass GtkFileSystemUnixClass;
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#define GTK_FILE_SYSTEM_UNIX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_FILE_SYSTEM_UNIX, GtkFileSystemUnixClass))
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#define GTK_IS_FILE_SYSTEM_UNIX_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_FILE_SYSTEM_UNIX))
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#define GTK_FILE_SYSTEM_UNIX_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_FILE_SYSTEM_UNIX, GtkFileSystemUnixClass))
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struct _GtkFileSystemUnixClass
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{
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GObjectClass parent_class;
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};
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struct _GtkFileSystemUnix
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{
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GObject parent_instance;
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};
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#define GTK_TYPE_FILE_FOLDER_UNIX (gtk_file_folder_unix_get_type ())
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#define GTK_FILE_FOLDER_UNIX(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_FILE_FOLDER_UNIX, GtkFileFolderUnix))
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#define GTK_IS_FILE_FOLDER_UNIX(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_FILE_FOLDER_UNIX))
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#define GTK_FILE_FOLDER_UNIX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_FILE_FOLDER_UNIX, GtkFileFolderUnixClass))
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#define GTK_IS_FILE_FOLDER_UNIX_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_FILE_FOLDER_UNIX))
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#define GTK_FILE_FOLDER_UNIX_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_FILE_FOLDER_UNIX, GtkFileFolderUnixClass))
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typedef struct _GtkFileFolderUnix GtkFileFolderUnix;
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typedef struct _GtkFileFolderUnixClass GtkFileFolderUnixClass;
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struct _GtkFileFolderUnixClass
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{
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GObjectClass parent_class;
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};
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struct _GtkFileFolderUnix
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{
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GObject parent_instance;
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GtkFileInfoType types;
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gchar *filename;
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};
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static void gtk_file_system_unix_class_init (GtkFileSystemUnixClass *class);
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static void gtk_file_system_unix_iface_init (GtkFileSystemIface *iface);
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static void gtk_file_system_unix_init (GtkFileSystemUnix *impl);
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static void gtk_file_system_unix_finalize (GObject *object);
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static GSList * gtk_file_system_unix_list_roots (GtkFileSystem *file_system);
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static GtkFileInfo * gtk_file_system_unix_get_root_info (GtkFileSystem *file_system,
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const gchar *uri,
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GtkFileInfoType types,
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GError **error);
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static GtkFileFolder *gtk_file_system_unix_get_folder (GtkFileSystem *file_system,
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const gchar *uri,
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GtkFileInfoType types,
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GError **error);
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static gboolean gtk_file_system_unix_create_folder (GtkFileSystem *file_system,
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const gchar *uri,
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GError **error);
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static gboolean gtk_file_system_unix_get_parent (GtkFileSystem *file_system,
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const gchar *uri,
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gchar **parent,
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GError **error);
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static gchar * gtk_file_system_unix_make_uri (GtkFileSystem *file_system,
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const gchar *base_uri,
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const gchar *display_name,
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GError **error);
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static GType gtk_file_folder_unix_get_type (void);
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static void gtk_file_folder_unix_class_init (GtkFileFolderUnixClass *class);
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static void gtk_file_folder_unix_iface_init (GtkFileFolderIface *iface);
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static void gtk_file_folder_unix_init (GtkFileFolderUnix *impl);
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static void gtk_file_folder_unix_finalize (GObject *object);
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static GtkFileInfo *gtk_file_folder_unix_get_info (GtkFileFolder *folder,
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const gchar *uri,
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GError **error);
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static gboolean gtk_file_folder_unix_list_children (GtkFileFolder *folder,
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GSList **children,
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GError **error);
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static gchar * filename_from_uri (const gchar *filename,
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GError **error);
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static gchar * filename_to_uri (const gchar *filename);
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static gboolean filename_is_root (const char *filename);
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static GtkFileInfo *filename_get_info (const gchar *filename,
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GtkFileInfoType types,
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GError **error);
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/*
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* GtkFileSystemUnix
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*/
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GType
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_gtk_file_system_unix_get_type (void)
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{
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static GType file_system_unix_type = 0;
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if (!file_system_unix_type)
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{
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static const GTypeInfo file_system_unix_info =
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{
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sizeof (GtkFileSystemUnixClass),
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NULL, /* base_init */
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NULL, /* base_finalize */
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(GClassInitFunc) gtk_file_system_unix_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GtkFileSystemUnix),
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0, /* n_preallocs */
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(GInstanceInitFunc) gtk_file_system_unix_init,
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};
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static const GInterfaceInfo file_system_info =
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{
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(GInterfaceInitFunc) gtk_file_system_unix_iface_init, /* interface_init */
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NULL, /* interface_finalize */
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NULL /* interface_data */
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};
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file_system_unix_type = g_type_register_static (G_TYPE_OBJECT,
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"GtkFileSystemUnix",
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&file_system_unix_info, 0);
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g_type_add_interface_static (file_system_unix_type,
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GTK_TYPE_FILE_SYSTEM,
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&file_system_info);
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}
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return file_system_unix_type;
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}
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static void
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gtk_file_system_unix_class_init (GtkFileSystemUnixClass *class)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (class);
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gobject_class->finalize = gtk_file_system_unix_finalize;
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}
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static void
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gtk_file_system_unix_iface_init (GtkFileSystemIface *iface)
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{
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iface->list_roots = gtk_file_system_unix_list_roots;
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iface->get_folder = gtk_file_system_unix_get_folder;
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iface->get_root_info = gtk_file_system_unix_get_root_info;
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iface->create_folder = gtk_file_system_unix_create_folder;
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iface->get_parent = gtk_file_system_unix_get_parent;
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iface->make_uri = gtk_file_system_unix_make_uri;
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}
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static void
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gtk_file_system_unix_init (GtkFileSystemUnix *system_unix)
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{
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}
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static void
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gtk_file_system_unix_finalize (GObject *object)
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{
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}
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static GSList *
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gtk_file_system_unix_list_roots (GtkFileSystem *file_system)
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{
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return g_slist_append (NULL, g_strdup ("file:///"));
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}
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static GtkFileInfo *
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gtk_file_system_unix_get_root_info (GtkFileSystem *file_system,
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const gchar *uri,
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GtkFileInfoType types,
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GError **error)
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{
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g_return_val_if_fail (strcmp (uri, "file:///") == 0, NULL);
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return filename_get_info ("/", types, error);
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}
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static GtkFileFolder *
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gtk_file_system_unix_get_folder (GtkFileSystem *file_system,
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const gchar *uri,
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GtkFileInfoType types,
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GError **error)
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{
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GtkFileFolderUnix *folder_unix;
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gchar *filename;
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filename = filename_from_uri (uri, error);
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if (!filename)
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return NULL;
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folder_unix = g_object_new (GTK_TYPE_FILE_FOLDER_UNIX, NULL);
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folder_unix->filename = filename;
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folder_unix->types = types;
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return GTK_FILE_FOLDER (folder_unix);
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}
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static gboolean
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gtk_file_system_unix_create_folder (GtkFileSystem *file_system,
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const gchar *uri,
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GError **error)
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{
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gchar *filename;
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gboolean result;
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filename = filename_from_uri (uri, error);
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if (!filename)
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return FALSE;
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result = mkdir (filename, 0777) != 0;
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if (!result)
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{
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gchar *filename_utf8 = g_filename_to_utf8 (filename, -1, NULL, NULL, NULL);
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g_set_error (error,
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GTK_FILE_SYSTEM_ERROR,
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GTK_FILE_SYSTEM_ERROR_NONEXISTANT,
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"error creating directory '%s': %s",
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filename_utf8 ? filename_utf8 : "???",
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g_strerror (errno));
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g_free (filename_utf8);
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}
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g_free (filename);
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return result;
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}
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static gboolean
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gtk_file_system_unix_get_parent (GtkFileSystem *file_system,
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const gchar *uri,
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gchar **parent,
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GError **error)
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{
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gchar *filename = filename_from_uri (uri, error);
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if (!filename)
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return FALSE;
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if (filename_is_root (filename))
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{
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*parent = NULL;
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}
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else
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{
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gchar *parent_filename = g_path_get_dirname (filename);
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*parent = filename_to_uri (parent_filename);
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g_free (parent_filename);
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}
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g_free (filename);
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return TRUE;
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}
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static gchar *
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gtk_file_system_unix_make_uri (GtkFileSystem *file_system,
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const gchar *base_uri,
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const gchar *display_name,
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GError **error)
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{
|
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gchar *base_filename;
|
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gchar *filename;
|
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gchar *full_filename;
|
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GError *tmp_error = NULL;
|
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gchar *result;
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base_filename = filename_from_uri (base_uri, error);
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if (!base_filename)
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return FALSE;
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filename = g_filename_from_utf8 (display_name, -1, NULL, NULL, &tmp_error);
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if (!filename)
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{
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g_set_error (error,
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GTK_FILE_SYSTEM_ERROR,
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GTK_FILE_SYSTEM_ERROR_BAD_FILENAME,
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"%s",
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tmp_error->message);
|
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g_error_free (tmp_error);
|
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g_free (base_filename);
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return FALSE;
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}
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full_filename = g_build_filename (base_filename, filename, NULL);
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result = filename_to_uri (full_filename);
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g_free (base_filename);
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g_free (filename);
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g_free (full_filename);
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return result;
|
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}
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/*
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* GtkFileFolderUnix
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*/
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static GType
|
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gtk_file_folder_unix_get_type (void)
|
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{
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static GType file_folder_unix_type = 0;
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|
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if (!file_folder_unix_type)
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{
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static const GTypeInfo file_folder_unix_info =
|
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{
|
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sizeof (GtkFileFolderUnixClass),
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NULL, /* base_init */
|
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NULL, /* base_finalize */
|
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(GClassInitFunc) gtk_file_folder_unix_class_init,
|
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NULL, /* class_finalize */
|
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NULL, /* class_data */
|
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sizeof (GtkFileFolderUnix),
|
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0, /* n_preallocs */
|
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(GInstanceInitFunc) gtk_file_folder_unix_init,
|
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};
|
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static const GInterfaceInfo file_folder_info =
|
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{
|
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(GInterfaceInitFunc) gtk_file_folder_unix_iface_init, /* interface_init */
|
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NULL, /* interface_finalize */
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NULL /* interface_data */
|
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};
|
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|
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file_folder_unix_type = g_type_register_static (G_TYPE_OBJECT,
|
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"GtkFileFolderUnix",
|
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&file_folder_unix_info, 0);
|
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g_type_add_interface_static (file_folder_unix_type,
|
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GTK_TYPE_FILE_FOLDER,
|
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&file_folder_info);
|
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}
|
||||
|
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return file_folder_unix_type;
|
||||
}
|
||||
|
||||
static void
|
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gtk_file_folder_unix_class_init (GtkFileFolderUnixClass *class)
|
||||
{
|
||||
GObjectClass *gobject_class = G_OBJECT_CLASS (class);
|
||||
|
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gobject_class->finalize = gtk_file_folder_unix_finalize;
|
||||
}
|
||||
|
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static void
|
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gtk_file_folder_unix_iface_init (GtkFileFolderIface *iface)
|
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{
|
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iface->get_info = gtk_file_folder_unix_get_info;
|
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iface->list_children = gtk_file_folder_unix_list_children;
|
||||
}
|
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|
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static void
|
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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_free (folder_unix->filename);
|
||||
}
|
||||
|
||||
static GtkFileInfo *
|
||||
gtk_file_folder_unix_get_info (GtkFileFolder *folder,
|
||||
const gchar *uri,
|
||||
GError **error)
|
||||
{
|
||||
GtkFileFolderUnix *folder_unix = GTK_FILE_FOLDER_UNIX (folder);
|
||||
GtkFileInfo *info;
|
||||
gchar *dirname;
|
||||
gchar *filename;
|
||||
|
||||
filename = filename_from_uri (uri, error);
|
||||
if (!filename)
|
||||
return NULL;
|
||||
|
||||
dirname = g_path_get_dirname (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);
|
||||
|
||||
g_free (filename);
|
||||
|
||||
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_NONEXISTANT,
|
||||
"%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_uri (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;
|
||||
|
||||
/* If stat fails, try to fall back to lstat to catch broken links
|
||||
*/
|
||||
if (stat (filename, &statbuf) != 0 &&
|
||||
lstat (filename, &statbuf) != 0)
|
||||
{
|
||||
gchar *filename_utf8 = g_filename_to_utf8 (filename, -1, NULL, NULL, NULL);
|
||||
g_set_error (error,
|
||||
GTK_FILE_SYSTEM_ERROR,
|
||||
GTK_FILE_SYSTEM_ERROR_NONEXISTANT,
|
||||
"error getting information for '%s': %s",
|
||||
filename_utf8 ? filename_utf8 : "???",
|
||||
g_strerror (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)
|
||||
{
|
||||
gtk_file_info_set_mime_type (info, "application/octet-stream");
|
||||
}
|
||||
|
||||
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)512 * (gint16)statbuf.st_blocks);
|
||||
}
|
||||
|
||||
if (types & GTK_FILE_INFO_ICON)
|
||||
{
|
||||
/* NOT YET IMPLEMENTED */
|
||||
}
|
||||
|
||||
return info;
|
||||
}
|
||||
|
||||
static gchar *
|
||||
filename_from_uri (const char *uri,
|
||||
GError **error)
|
||||
{
|
||||
GError *tmp_error = NULL;
|
||||
gchar *result;
|
||||
|
||||
result = g_filename_from_uri (uri, NULL, &tmp_error);
|
||||
if (!result)
|
||||
{
|
||||
g_set_error (error,
|
||||
GTK_FILE_SYSTEM_ERROR,
|
||||
GTK_FILE_SYSTEM_ERROR_INVALID_URI,
|
||||
"%s",
|
||||
tmp_error->message);
|
||||
|
||||
g_error_free (tmp_error);
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
static gchar *
|
||||
filename_to_uri (const char *filename)
|
||||
{
|
||||
gchar *result;
|
||||
|
||||
result = g_filename_to_uri (filename, NULL, NULL);
|
||||
if (!result)
|
||||
g_warning ("GtkFileSystemUnix: Handling of non-UTF-8-representable-filenames needs to be fixed");
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
filename_is_root (const char *filename)
|
||||
{
|
||||
const gchar *after_root;
|
||||
|
||||
after_root = g_path_skip_root (filename);
|
||||
|
||||
return (*after_root == '\0');
|
||||
}
|
||||
Reference in New Issue
Block a user