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-rw-r--r--shell/e-local-folder.c223
1 files changed, 223 insertions, 0 deletions
diff --git a/shell/e-local-folder.c b/shell/e-local-folder.c
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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)