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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* e-local-folder.c
*
* Copyright (C) 2000 Helix Code, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Author: Ettore Perazzoli
*/
/* The metafile goes like this:
<?xml version="1.0"?>
<efolder>
<type>mail</type>
<description>This is the folder where I store mail from my gf</description>
<homepage>http://www.somewhere.net</homepage>
</efolder>
FIXME: Do we want to use a namespace for this?
FIXME: Do we want to have an internationalized description?
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <gnome-xml/parser.h>
#include "e-util/e-util.h"
#include "e-util/e-xml-utils.h"
#include "e-local-folder.h"
#define PARENT_TYPE E_TYPE_FOLDER
static EFolderClass *parent_class = NULL;
#define URI_PREFIX "file://"
#define URI_PREFIX_LEN 7
#define METADATA_FILE_NAME "folder-metadata.xml"
#define METADATA_FILE_NAME_LEN 19
static const char *
get_string_value (xmlNode *node,
const char *name)
{
xmlNode *p;
p = e_xml_get_child_by_name (node, (xmlChar *) name);
if (p == NULL)
return NULL;
p = e_xml_get_child_by_name (p, (xmlChar *) "text");
if (p == NULL)
return NULL;
return (const char *) p->content;
}
static gboolean
construct_loading_metadata (ELocalFolder *local_folder,
const char *path)
{
EFolder *folder;
xmlDoc *doc;
xmlNode *root;
const char *type;
const char *description;
char *metadata_path;
folder = E_FOLDER (local_folder);
metadata_path = g_concat_dir_and_file (path, METADATA_FILE_NAME);
doc = xmlParseFile (metadata_path);
if (doc == NULL) {
g_free (metadata_path);
return FALSE;
}
root = xmlDocGetRootElement (doc);
if (root == NULL || strcmp (root->name, "efolder") != 0) {
g_free (metadata_path);
xmlFreeDoc (doc);
return FALSE;
}
type = get_string_value (root, "type");
description = get_string_value (root, "description");
e_folder_construct (folder, g_basename (path), type, description);
xmlFreeDoc (doc);
local_folder->physical_uri = g_strconcat (URI_PREFIX, path, NULL);
g_free (metadata_path);
return TRUE;
}
static gboolean
save_metadata (ELocalFolder *local_folder)
{
EFolder *folder;
xmlDoc *doc;
xmlNode *root;
const char *physical_path;
folder = E_FOLDER (local_folder);
doc = xmlNewDoc ((xmlChar *) "1.0");
root = xmlNewDocNode (doc, NULL, (xmlChar *) "efolder", NULL);
xmlDocSetRootElement (doc, root);
xmlNewChild (root, NULL, (xmlChar *) "type", (xmlChar *) e_folder_get_type_string (folder));
xmlNewChild (root, NULL, (xmlChar *) "description", (xmlChar *) e_folder_get_description (folder));
physical_path = local_folder->physical_uri + URI_PREFIX_LEN - 1;
if (xmlSaveFile (physical_path, doc) < 0) {
xmlFreeDoc (doc);
return FALSE;
}
xmlFreeDoc (doc);
return TRUE;
}
/* EFolder methods. */
static const char *
get_physical_uri (EFolder *folder)
{
ELocalFolder *local_folder;
local_folder = E_LOCAL_FOLDER (folder);
return local_folder->physical_uri;
}
/* GtkObject methods. */
static void
destroy (GtkObject *object)
{
ELocalFolder *folder;
folder = E_LOCAL_FOLDER (object);
g_free (folder->physical_uri);
(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
}
static void
class_init (ELocalFolderClass *klass)
{
GtkObjectClass *object_class;
EFolderClass *folder_class;
parent_class = gtk_type_class (e_folder_get_type ());
object_class = GTK_OBJECT_CLASS (klass);
object_class->destroy = destroy;
folder_class = E_FOLDER_CLASS (klass);
folder_class->get_physical_uri = get_physical_uri;
}
static void
init (ELocalFolder *local_folder)
{
local_folder->physical_uri = NULL;
}
EFolder *
e_local_folder_new_from_path (const char *path)
{
EFolder *folder;
g_return_val_if_fail (g_path_is_absolute (path), NULL);
folder = gtk_type_new (e_local_folder_get_type ());
if (! construct_loading_metadata (E_LOCAL_FOLDER (folder), path)) {
gtk_object_unref (GTK_OBJECT (folder));
return NULL;
}
return folder;
}
gboolean
e_local_folder_save (ELocalFolder *local_folder)
{
g_return_val_if_fail (local_folder != NULL, FALSE);
g_return_val_if_fail (E_IS_LOCAL_FOLDER (local_folder), FALSE);
return save_metadata (local_folder);
}
E_MAKE_TYPE (e_local_folder, "ELocalFolder", ELocalFolder, class_init, init, PARENT_TYPE)
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