/*
* Copyright © 2003 Marco Pesenti Gritti
* Copyright © 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $Id$
*/
#include "config.h"
#include "ephy-bookmarks-export.h"
#include "ephy-node-common.h"
#include "ephy-file-helpers.h"
#include "ephy-debug.h"
#include <libxml/globals.h>
#include <libxml/tree.h>
#include <libxml/xmlwriter.h>
#include <libxslt/xslt.h>
#include <libxslt/transform.h>
#include <libxslt/xsltutils.h>
#include <libgnomevfs/gnome-vfs-uri.h>
#include <libgnomevfs/gnome-vfs-utils.h>
static inline xmlChar *
sanitise_string (const xmlChar *string)
{
xmlChar *copy, *p;
if (!string)
return xmlStrdup ((const xmlChar *) "");
/* http://www.w3.org/TR/REC-xml/#sec-well-formed :
Character Range
[2] Char ::= #x9 | #xA | #xD | [#x20-#xD7FF] |
[#xE000-#xFFFD] | [#x10000-#x10FFFF]
any Unicode character, excluding the surrogate blocks, FFFE, and FFFF.
*/
copy = xmlStrdup (string);
for (p = copy; *p; p++)
{
xmlChar c = *p;
if (G_UNLIKELY (c < 0x20 && c != 0xd && c != 0xa && c != 0x9)) {
*p = 0x20;
}
}
return copy;
}
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;
xmlChar *safeName;
name = ephy_node_get_property_string
(node, EPHY_NODE_KEYWORD_PROP_NAME);
safeName = sanitise_string ((const xmlChar *) name);
ret = xmlTextWriterWriteElementNS
(writer,
(xmlChar *) "dc",
(xmlChar *) "subject",
NULL,
safeName);
xmlFree (safeName);
if (ret < 0) break;
}
g_list_free (keywords);
return ret >= 0 ? 0 : -1;
}
static int
write_rdf (EphyBookmarks *bookmarks,
const char *filename,
xmlTextWriterPtr writer)
{
EphyNode *bmks, *topics, *smart_bmks;
GPtrArray *children;
char *file_uri;
int i, ret;
xmlChar *safeString;
#ifdef ENABLE_ZEROCONF
EphyNode *local;
#endif
START_PROFILER ("Writing RDF")
ret = xmlTextWriterStartDocument (writer, "1.0", NULL, NULL);
if (ret < 0) goto out;
ret = xmlTextWriterStartElementNS
(writer,
(xmlChar *) "rdf",
(xmlChar *) "RDF",
(xmlChar *) "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
if (ret < 0) goto out;
ret = xmlTextWriterWriteAttribute
(writer,
(xmlChar *) "xmlns",
(xmlChar *) "http://purl.org/rss/1.0/");
if (ret < 0) goto out;
ret = xmlTextWriterWriteAttributeNS
(writer,
(xmlChar *) "xmlns",
(xmlChar *) "dc",
NULL,
(xmlChar *) "http://purl.org/dc/elements/1.1/");
if (ret < 0) goto out;
ret = xmlTextWriterWriteAttributeNS
(writer,
(xmlChar *) "xmlns",
(xmlChar *) "ephy",
NULL,
(xmlChar *) "http://gnome.org/ns/epiphany#");
if (ret < 0) goto out;
ret = xmlTextWriterStartElement (writer, (xmlChar *) "channel");
if (ret < 0) goto out;
/* FIXME: sanitise file_uri? */
file_uri = gnome_vfs_get_uri_from_local_path (filename);
safeString = sanitise_string ((const xmlChar *) file_uri);
g_free (file_uri);
ret = xmlTextWriterWriteAttributeNS
(writer,
(xmlChar *) "rdf",
(xmlChar *) "about",
NULL,
safeString);
xmlFree (safeString);
if (ret < 0) goto out;
ret = xmlTextWriterWriteElement
(writer,
(xmlChar *) "title",
(xmlChar *) "Epiphany bookmarks");
if (ret < 0) goto out;
ret = xmlTextWriterWriteElement
(writer,
(xmlChar *) "link",
(xmlChar *) "http://www.gnome.org/projects/epiphany/");
if (ret < 0) goto out;
ret = xmlTextWriterStartElement (writer, (xmlChar *) "items");
if (ret < 0) goto out;
ret = xmlTextWriterStartElementNS
(writer,
(xmlChar *) "rdf",
(xmlChar *) "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);
#ifdef ENABLE_ZEROCONF
local = ephy_bookmarks_get_local (bookmarks);
#endif
children = ephy_node_get_children (bmks);
for (i=0; i < children->len; i++)
{
EphyNode *kid;
const char *url;
char *link = NULL;
gboolean smart_url;
xmlChar *safeLink;
kid = g_ptr_array_index (children, i);
#ifdef ENABLE_ZEROCONF
/* Don't export the local bookmarks */
if (ephy_node_has_child (local, kid)) continue;
#endif
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);
}
}
safeLink = sanitise_string (link ? (const xmlChar *) link : (const xmlChar *) url);
g_free (link);
ret = xmlTextWriterStartElementNS
(writer,
(xmlChar *) "rdf",
(xmlChar *) "li",
NULL);
if (ret < 0) break;
ret = xmlTextWriterWriteAttributeNS
(writer,
(xmlChar *) "rdf",
(xmlChar *) "resource",
NULL,
safeLink);
xmlFree (safeLink);
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;
xmlChar *safeLink, *safeTitle;
kid = g_ptr_array_index (children, i);
#ifdef ENABLE_ZEROCONF
/* Don't export the local bookmarks */
if (ephy_node_has_child (local, kid)) continue;
#endif
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, (xmlChar *) "item");
if (ret < 0) break;
safeLink = sanitise_string ((const xmlChar *) link);
g_free (link);
ret = xmlTextWriterWriteAttributeNS
(writer,
(xmlChar *) "rdf",
(xmlChar *) "about",
NULL,
safeLink);
if (ret < 0)
{
xmlFree (safeLink);
break;
}
safeTitle = sanitise_string ((const xmlChar *) title);
ret = xmlTextWriterWriteElement
(writer,
(xmlChar *) "title",
safeTitle);
xmlFree (safeTitle);
if (ret < 0) break;
ret = xmlTextWriterWriteElement
(writer,
(xmlChar *) "link",
safeLink);
xmlFree (safeLink);
if (ret < 0) break;
if (smart_url)
{
xmlChar *safeSmartLink;
safeSmartLink = sanitise_string ((const xmlChar *) url);
ret = xmlTextWriterWriteElementNS
(writer,
(xmlChar *) "ephy",
(xmlChar *) "smartlink",
NULL,
safeSmartLink);
xmlFree (safeSmartLink);
if (ret < 0) break;
}
ret = write_topics_list (topics, kid, writer);
if (ret < 0) break;
ret = xmlTextWriterEndElement (writer); /* item */
}
if (ret < 0) goto out;
ret = xmlTextWriterEndElement (writer); /* rdf:RDF */
if (ret < 0) goto out;
ret = xmlTextWriterEndDocument (writer);
out:
STOP_PROFILER ("Writing RDF")
return ret;
}
void
ephy_bookmarks_export_rdf (EphyBookmarks *bookmarks,
const char *filename)
{
xmlTextWriterPtr writer;
char *tmp_file;
int 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 = xmlTextWriterSetIndent (writer, 1);
if (ret < 0) goto out;
ret = xmlTextWriterSetIndentString (writer, (xmlChar *) " ");
if (ret < 0) goto out;
ret = write_rdf (bookmarks, filename, writer);
if (ret < 0) goto out;
xmlFreeTextWriter (writer);
out:
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");
}
void
ephy_bookmarks_export_mozilla (EphyBookmarks *bookmarks,
const char *filename)
{
xsltStylesheetPtr cur = NULL;
xmlTextWriterPtr writer;
xmlDocPtr doc = NULL, res;
char *tmp_file, *template;
int ret = -1;
LOG ("Exporting as Mozilla to %s", filename);
template = g_build_filename (g_get_tmp_dir (),
"export-bookmarks-XXXXXX", NULL);
tmp_file = ephy_file_tmp_filename (template, "rdf");
g_free (template);
if (tmp_file == NULL) return;
writer = xmlNewTextWriterDoc (&doc, 0);
if (writer == NULL || doc == NULL)
{
g_free (tmp_file);
return;
}
START_PROFILER ("Exporting as Mozilla")
ret = write_rdf (bookmarks, tmp_file, writer);
if (ret < 0) goto out;
/* Set up libxml stuff */
xmlLoadExtDtdDefaultValue = 1;
xmlSubstituteEntitiesDefault (1);
cur = xsltParseStylesheetFile ((const xmlChar *) ephy_file ("epiphany-bookmarks-html.xsl"));
if (cur == NULL) goto out;
res = xsltApplyStylesheet (cur, doc, NULL);
if (res == NULL)
{
xsltFreeStylesheet (cur);
goto out;
}
ret = xsltSaveResultToFilename (filename, res, cur, FALSE);
xsltFreeStylesheet (cur);
xmlFreeDoc (res);
/* Clean up libxslt stuff */
xsltCleanupGlobals ();
out:
xmlFreeTextWriter (writer);
xmlFreeDoc (doc);
g_free (tmp_file);
STOP_PROFILER ("Exporting as Mozilla")
LOG ("Exporting as Mozilla %s.", ret >= 0 ? "succeeded" : "FAILED");
}
