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path: root/src/bookmarks/ephy-bookmarks-export.c
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/*
 *  Copyright (C) 2003 Marco Pesenti Gritti
 *
 *  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.
 */

#include <libxml/tree.h>
#include <libgnomevfs/gnome-vfs-uri.h>
#include <libgnomevfs/gnome-vfs-utils.h>

#include "ephy-bookmarks-export.h"
#include "ephy-node-common.h"
#include "ephy-file-helpers.h"
#include "ephy-debug.h"

static void
add_topics_list (EphyNode *topics, EphyNode *bmk,
         xmlNodePtr parent, xmlNsPtr dc_ns)
{
    GPtrArray *children;
    int i;
    GList *bmks = NULL, *l;

    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))
        {
            bmks = g_list_append (bmks, kid);
        }
    }
    ephy_node_thaw (topics);

    if (bmks == NULL) return;

    for (l = bmks; l != NULL; l = l->next)
    {
        const char *name;
        EphyNode *node = l->data;
        xmlNodePtr item_node;

        name = ephy_node_get_property_string
            (node, EPHY_NODE_KEYWORD_PROP_NAME);
        item_node = xmlNewChild (parent, dc_ns, "subject", NULL);
        xmlNodeSetContent (item_node, name);
    }

    g_list_free (bmks);
}

void
ephy_bookmarks_export_rdf (EphyBookmarks *bookmarks,
               const char *filename)
{
    EphyNode *bmks, *topics, *smart_bmks;
    xmlDocPtr doc;
    xmlNodePtr root, xml_node, channel_node, channel_seq_node;
    xmlNsPtr ephy_ns, rdf_ns, dc_ns;
    GPtrArray *children;
    char *file_uri;
    int i;

    LOG ("Exporting to rdf")

    xmlIndentTreeOutput = TRUE;
    doc = xmlNewDoc ("1.0");

    root = xmlNewDocNode (doc, NULL, "rdf:RDF", NULL);
    xmlDocSetRootElement (doc, root);
    rdf_ns = xmlNewNs (root, "http://www.w3.org/1999/02/22-rdf-syntax-ns#", "rdf");
    xmlNewNs (root, "http://purl.org/rss/1.0/", NULL);
    dc_ns = xmlNewNs (root, "http://purl.org/dc/elements/1.1/", "dc");
    ephy_ns = xmlNewNs (root, "http://gnome.org/ns/epiphany#", "ephy");
    channel_node = xmlNewChild (root, NULL, "channel", NULL);
    file_uri = gnome_vfs_get_uri_from_local_path (filename);
    xmlSetProp (channel_node, "rdf:about", file_uri);
    g_free (file_uri);

    xml_node = xmlNewChild (channel_node, NULL, "title", NULL);
    xmlNodeSetContent (xml_node, "Epiphany bookmarks");

    xml_node = xmlNewChild (channel_node, NULL, "link", NULL);
    xmlNodeSetContent (xml_node, "http://epiphany.mozdev.org");

    xml_node = xmlNewChild (channel_node, NULL, "items", NULL);

    channel_seq_node = xmlNewChild (xml_node, rdf_ns, "Seq", NULL);

    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, *title;
        xmlNodePtr item_node;
        xmlChar *encoded_link;
        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);
        }

        encoded_link = xmlEncodeEntitiesReentrant (doc, link);

        item_node = xmlNewChild (channel_seq_node, rdf_ns, "li", NULL);
        xmlSetNsProp (item_node, rdf_ns, "about", link);

        item_node = xmlNewChild (root, NULL, "item", NULL);
        xmlSetNsProp (item_node, rdf_ns, "about", link);

        xml_node = xmlNewChild (item_node, NULL, "title", title);

        xml_node = xmlNewChild (item_node, NULL, "link", encoded_link);

        if (smart_url)
        {
            xmlChar *encoded_url;
            encoded_url = xmlEncodeEntitiesReentrant (doc, url);
            xml_node = xmlNewChild (item_node, ephy_ns, "smartlink", encoded_url);
            xmlFree (encoded_url);
        }

        add_topics_list (topics, kid, item_node, dc_ns);

        xmlFree (encoded_link);
        g_free (link);
    }
    ephy_node_thaw (bmks);

    ephy_file_save_xml (filename, doc);
    xmlFreeDoc(doc);
}