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/* This file is part of the KDE project
Copyright (C) 2010 KO GmbH <ben.martin@kogmbh.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "KoRdfPrefixMapping.h"
#include <KoTextRdfCore.h>
#include <Soprano/Soprano>
#include <kdebug.h>
using namespace Soprano;
class KoRdfPrefixMappingPrivate
{
public:
KoDocumentRdf *m_rdf;
/**
* prefix -> uri map.
* gives speed preference to prefix resolution over
* turning a uri into a prefixed shorter string
*/
QMap<QString, QString> m_mappings;
KoRdfPrefixMappingPrivate(KoDocumentRdf *rdf)
:
m_rdf (rdf)
{}
};
KoRdfPrefixMapping::KoRdfPrefixMapping(KoDocumentRdf *rdf)
: d (new KoRdfPrefixMappingPrivate(rdf))
{
insert("pkg", "http://docs.oasis-open.org/opendocument/meta/package/common#");
insert("odf", "http://docs.oasis-open.org/opendocument/meta/package/odf#");
insert("rdf", "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
insert("xhtml", "http://www.w3.org/1999/xhtml");
insert("xsd", "http://www.w3.org/2001/XMLSchema");
insert("xsi", "http://www.w3.org/2001/XMLSchema-instance");
insert("foaf", "http://xmlns.com/foaf/0.1/");
insert("geo84", "http://www.w3.org/2003/01/geo/wgs84_pos#");
insert("dcterms", "http://dublincore.org/documents/dcmi-terms/#");
insert("cite", "http://docs.oasis-open.org/prototype/opendocument/citation#");
insert("cal", "http://www.w3.org/2002/12/cal/icaltzd#");
}
KoRdfPrefixMapping::~KoRdfPrefixMapping()
{
delete d;
}
QString KoRdfPrefixMapping::canonPrefix(const QString &pname) const
{
QString name = pname;
int idx = name.indexOf(':');
if (idx >= 0) {
name = name.left(idx + 1);
}
if (!name.endsWith(':')) {
name += ':';
}
return name;
}
QString KoRdfPrefixMapping::URItoPrefexedLocalname(const QString &uri) const
{
for (QMap<QString,QString>::const_iterator mi = d->m_mappings.constBegin(); mi != d->m_mappings.constEnd(); ++mi) {
if (uri.startsWith(mi.value())) {
QString ret = mi.key() + uri.mid(mi.value().length());
return ret;
}
}
return uri;
}
QString KoRdfPrefixMapping::PrefexedLocalnameToURI(const QString &pname) const
{
QString pfx = canonPrefix(pname);
if (pfx.isEmpty()) {
return pname;
}
QMap<QString,QString>::const_iterator mi = d->m_mappings.constFind(pfx);
if (mi == d->m_mappings.constEnd())
return pname;
return mi.value() + pname.mid(mi.key().length());
}
QString KoRdfPrefixMapping::prefexToURI(const QString &pfx) const
{
const QString prefix = canonPrefix(pfx);
QMap<QString,QString>::const_iterator mi = d->m_mappings.constFind(prefix);
if (mi == d->m_mappings.constEnd()) {
return QString();
}
return mi.value();
}
void KoRdfPrefixMapping::dump() const
{
kDebug(30015) << d->m_mappings;
}
void KoRdfPrefixMapping::insert(const QString &prefix, const QString &url)
{
QString fixedPrefix = canonPrefix(prefix);
//kDebug(30015) << " prefix:" << fixedPrefix << " url:" << url;
d->m_mappings.insert(fixedPrefix, url);
}
void KoRdfPrefixMapping::remove(const QString &prefix)
{
QString fixedPrefix = canonPrefix(prefix);
//kDebug(30015) << " prefix:" << fixedPrefix;
d->m_mappings.remove(fixedPrefix);
}
void KoRdfPrefixMapping::load(Soprano::Model *model)
{
QString nodePrefix = "http://koffice.org/rdf/prefixmapping/";
Node rdfNil = Node::createResourceNode(QUrl("http://www.w3.org/1999/02/22-rdf-syntax-ns#nil"));
Node rdfFirst = Node::createResourceNode(QUrl("http://www.w3.org/1999/02/22-rdf-syntax-ns#first"));
Node rdfRest = Node::createResourceNode(QUrl("http://www.w3.org/1999/02/22-rdf-syntax-ns#rest"));
Soprano::Node ListHeadSubject = Node::createResourceNode(QUrl(nodePrefix + "list"));
QList<Statement> listNodes = KoTextRdfCore::loadList(model, ListHeadSubject);
//kDebug(30015) << "found count:" << listNodes.size();
foreach (Soprano::Statement s, listNodes) {
Soprano::Node dataBNode = s.object();
QString prefix = KoTextRdfCore::getObject(model, dataBNode,
Node::createResourceNode(QUrl(nodePrefix + "prefix"))).toString();
QString url = KoTextRdfCore::getObject(model, dataBNode,
Node::createResourceNode(QUrl(nodePrefix + "url"))).toString();
//kDebug(30015) << "found prefix:" << prefix << " url:" << url;
insert(prefix, url);
}
}
void KoRdfPrefixMapping::save(Soprano::Model *model, Soprano::Node context) const
{
QString nodePrefix = "http://koffice.org/rdf/prefixmapping/";
Node rdfNil = Node::createResourceNode(QUrl("http://www.w3.org/1999/02/22-rdf-syntax-ns#nil"));
Node rdfFirst = Node::createResourceNode(QUrl("http://www.w3.org/1999/02/22-rdf-syntax-ns#first"));
Node rdfRest = Node::createResourceNode(QUrl("http://www.w3.org/1999/02/22-rdf-syntax-ns#rest"));
Soprano::Node dataBNode = model->createBlankNode();
QList< Soprano::Node > dataBNodeList;
QMap<QString,QString>::const_iterator mi = d->m_mappings.constBegin();
QMap<QString,QString>::const_iterator me = d->m_mappings.constEnd();
for (; mi != me; ++mi) {
//kDebug(30015) << "saving prefix:" << mi.key() << " url:" << mi.value();
dataBNode = model->createBlankNode();
model->addStatement(dataBNode,Node::createResourceNode(QUrl(nodePrefix + "prefix")),
Node::createLiteralNode(mi.key()), context);
model->addStatement(dataBNode, Node::createResourceNode(QUrl(nodePrefix + "url")),
Node::createLiteralNode(mi.value()), context);
dataBNodeList << dataBNode;
}
Soprano::Node ListHeadSubject = Node::createResourceNode(QUrl(nodePrefix + "list"));
KoTextRdfCore::saveList(model, ListHeadSubject, dataBNodeList, context);
}
QMap<QString, QString> KoRdfPrefixMapping::mappings() const
{
return d->m_mappings;
}
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