/*
* Copyright (C) 2003 Marco Pesenti Gritti
* Copyright (C) 2003 Christian Persch
*
* 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, 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.
*
* $Id$
*/
#include "ephy-bookmarks-export.h"
#include "ephy-node-common.h"
#include "ephy-file-helpers.h"
#include "ephy-debug.h"
#include <libxml/tree.h>
#include <libxml/xmlwriter.h>
#include <libgnomevfs/gnome-vfs-uri.h>
#include <libgnomevfs/gnome-vfs-utils.h>
static int
write_topics_list (EphyNode *topics,
EphyNode *bmk,
xmlTextWriterPtr writer)
{
GPtrArray *children;
GList *keywords = NULL, *l;
int i;
int ret = 0;
children = ephy_node_get_children (topics);
for (i = 0; i < children->len; i++)
{
EphyNode *kid;
EphyNodePriority priority;
kid = g_ptr_array_index (children, i);
priority = ephy_node_get_property_int (kid, EPHY_NODE_KEYWORD_PROP_PRIORITY);
if (priority == -1) priority = EPHY_NODE_NORMAL_PRIORITY;
if (priority == EPHY_NODE_NORMAL_PRIORITY &&
ephy_node_has_child (kid, bmk))
{
keywords = g_list_prepend (keywords, kid);
}
}
for (l = keywords; l != NULL; l = l->next)
{
EphyNode *node = l->data;
const char *name;
name = ephy_node_get_property_string
(node, EPHY_NODE_KEYWORD_PROP_NAME);
ret = xmlTextWriterWriteElementNS
(writer, "dc", "subject", NULL, name);
if (ret < 0) break;
}
g_list_free (keywords);
return ret >= 0 ? 0 : -1;
}
void
ephy_bookmarks_export_rdf (EphyBookmarks *bookmarks,
const char *filename)
{
EphyNode *bmks, *topics, *smart_bmks;
xmlTextWriterPtr writer;
char *tmp_file;
GPtrArray *children;
char *file_uri;
int i, ret;
LOG ("Exporting as RDF to %s", filename)
START_PROFILER ("Exporting as RDF")
tmp_file = g_strconcat (filename, ".tmp", NULL);
/* FIXME: do we want to turn on compression here? */
writer = xmlNewTextWriterFilename (tmp_file, 0);
if (writer == NULL)
{
g_free (tmp_file);
return;
}
ret = xmlTextWriterStartDocument (writer, "1.0", NULL, NULL);
if (ret < 0) goto out;
ret = xmlTextWriterStartElementNS
(writer, "rdf", "RDF", "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
if (ret < 0) goto out;
ret = xmlTextWriterWriteAttribute (writer, "xmlns", "http://purl.org/rss/1.0/");
if (ret < 0) goto out;
ret = xmlTextWriterWriteAttributeNS
(writer, "xmlns", "dc", NULL, "http://purl.org/dc/elements/1.1/");
if (ret < 0) goto out;
ret = xmlTextWriterWriteAttributeNS
(writer, "xmlns", "ephy", NULL, "http://gnome.org/ns/epiphany#");
if (ret < 0) goto out;
ret = xmlTextWriterStartElement (writer, "channel");
if (ret < 0) goto out;
/* FIXME is this UTF-8 ? */
file_uri = gnome_vfs_get_uri_from_local_path (filename);
ret = xmlTextWriterWriteAttributeNS (writer, "rdf", "about", NULL, file_uri);
g_free (file_uri);
if (ret < 0) goto out;
ret = xmlTextWriterWriteElement (writer, "title", "Epiphany bookmarks");
if (ret < 0) goto out;
ret = xmlTextWriterWriteElement
(writer, "link", "http://www.gnome.org/projects/epiphany/");
if (ret < 0) goto out;
ret = xmlTextWriterStartElement (writer, "items");
if (ret < 0) goto out;
ret = xmlTextWriterStartElementNS (writer, "rdf", "Seq", NULL);
if (ret < 0) goto out;
bmks = ephy_bookmarks_get_bookmarks (bookmarks);
topics = ephy_bookmarks_get_keywords (bookmarks);
smart_bmks = ephy_bookmarks_get_smart_bookmarks (bookmarks);
children = ephy_node_get_children (bmks);
for (i=0; i < children->len; i++)
{
EphyNode *kid;
const char *url;
char *link = NULL;
gboolean smart_url;
kid = g_ptr_array_index (children, i);
ret = xmlTextWriterStartElementNS (writer, "rdf", "li", NULL);
if (ret < 0) break;
smart_url = ephy_node_has_child (smart_bmks, kid);
url = ephy_node_get_property_string
(kid, EPHY_NODE_BMK_PROP_LOCATION);
if (smart_url)
{
GnomeVFSURI *uri;
uri = gnome_vfs_uri_new (url);
if (uri)
{
link = g_strconcat (gnome_vfs_uri_get_scheme (uri),
"://",
gnome_vfs_uri_get_host_name (uri),
NULL);
gnome_vfs_uri_unref (uri);
}
}
ret = xmlTextWriterWriteAttributeNS
(writer, "rdf", "resource", NULL, link ? link : url);
g_free (link);
if (ret < 0) break;
ret = xmlTextWriterEndElement (writer); /* rdf:li */
if (ret < 0) break;
}
if (ret < 0) goto out;
ret = xmlTextWriterEndElement (writer); /* rdf:Seq */
if (ret < 0) goto out;
ret = xmlTextWriterEndElement (writer); /* items */
if (ret < 0) goto out;
ret = xmlTextWriterEndElement (writer); /* channel */
if (ret < 0) goto out;
children = ephy_node_get_children (bmks);
for (i=0; i < children->len; i++)
{
EphyNode *kid;
const char *url, *title;
char *link = NULL;
gboolean smart_url;
kid = g_ptr_array_index (children, i);
smart_url = ephy_node_has_child (smart_bmks, kid);
url = ephy_node_get_property_string
(kid, EPHY_NODE_BMK_PROP_LOCATION);
title = ephy_node_get_property_string
(kid, EPHY_NODE_BMK_PROP_TITLE);
if (smart_url)
{
GnomeVFSURI *uri;
uri = gnome_vfs_uri_new (url);
if (uri)
{
link = g_strconcat (gnome_vfs_uri_get_scheme (uri),
"://",
gnome_vfs_uri_get_host_name (uri),
NULL);
gnome_vfs_uri_unref (uri);
}
}
if (link == NULL)
{
link = g_strdup (url);
}
ret = xmlTextWriterStartElement (writer, "item");
if (ret < 0) break;
ret = xmlTextWriterWriteAttributeNS
(writer, "rdf", "about", NULL, link);
if (ret < 0) break;
ret = xmlTextWriterWriteElement (writer, "title", title);
if (ret < 0) break;
ret = xmlTextWriterWriteElement (writer, "link", link);
if (ret < 0) break;
if (smart_url)
{
ret = xmlTextWriterWriteElementNS (writer, "ephy", "smartlink", NULL, url);
if (ret < 0) break;
}
ret = write_topics_list (topics, kid, writer);
if (ret < 0) break;
ret = xmlTextWriterEndElement (writer); /* item */
g_free (link);
}
if (ret < 0) goto out;
ret = xmlTextWriterEndElement (writer); /* rdf:RDF */
if (ret < 0) goto out;
ret = xmlTextWriterEndDocument (writer);
out:
xmlFreeTextWriter (writer);
if (ret >= 0)
{
if (ephy_file_switch_temp_file (filename, tmp_file) == FALSE)
{
ret = -1;
}
}
g_free (tmp_file);
STOP_PROFILER ("Exporting as RDF")
LOG ("Exporting as RDF %s.", ret >= 0 ? "succeeded" : "FAILED")
}
