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/****************************************************************************
**
** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
#include "qnamespacesupport_p.h"
QT_BEGIN_NAMESPACE
using namespace QPatternist;
NamespaceSupport::NamespaceSupport()
{
}
NamespaceSupport::NamespaceSupport(const NamePool::Ptr &namePool)
: m_namePool(namePool)
{
// the XML namespace
m_ns.insert(StandardPrefixes::xml, StandardNamespaces::xml);
}
void NamespaceSupport::setPrefix(const QXmlName::PrefixCode prefixCode, const QXmlName::NamespaceCode namespaceCode)
{
m_ns.insert(prefixCode, namespaceCode);
}
void NamespaceSupport::setPrefixes(const QXmlStreamNamespaceDeclarations &declarations)
{
for (int i = 0; i < declarations.count(); i++) {
const QXmlStreamNamespaceDeclaration declaration = declarations.at(i);
const QXmlName::PrefixCode prefixCode = m_namePool->allocatePrefix(declaration.prefix().toString());
const QXmlName::NamespaceCode namespaceCode = m_namePool->allocateNamespace(declaration.namespaceUri().toString());
m_ns.insert(prefixCode, namespaceCode);
}
}
void NamespaceSupport::setTargetNamespace(const QXmlName::NamespaceCode namespaceCode)
{
m_ns.insert(0, namespaceCode);
}
QXmlName::PrefixCode NamespaceSupport::prefix(const QXmlName::NamespaceCode namespaceCode) const
{
NamespaceHash::const_iterator itc, it = m_ns.constBegin();
while ((itc=it) != m_ns.constEnd()) {
++it;
if (*itc == namespaceCode)
return itc.key();
}
return 0;
}
QXmlName::NamespaceCode NamespaceSupport::uri(const QXmlName::PrefixCode prefixCode) const
{
return m_ns.value(prefixCode);
}
bool NamespaceSupport::processName(const QString& qname, NameType type, QXmlName &name) const
{
int len = qname.size();
const QChar *data = qname.constData();
for (int pos = 0; pos < len; ++pos) {
if (data[pos] == QLatin1Char(':')) {
const QXmlName::PrefixCode prefixCode = m_namePool->allocatePrefix(qname.left(pos));
if (!m_ns.contains(prefixCode))
return false;
const QXmlName::NamespaceCode namespaceCode = uri(prefixCode);
const QXmlName::LocalNameCode localNameCode = m_namePool->allocateLocalName(qname.mid(pos + 1));
name = QXmlName(namespaceCode, localNameCode, prefixCode);
return true;
}
}
// there was no ':'
QXmlName::NamespaceCode namespaceCode = 0;
// attributes don't take default namespace
if (type == ElementName && !m_ns.isEmpty()) {
namespaceCode = m_ns.value(0); // get default namespace
}
const QXmlName::LocalNameCode localNameCode = m_namePool->allocateLocalName(qname);
name = QXmlName(namespaceCode, localNameCode, 0);
return true;
}
void NamespaceSupport::pushContext()
{
m_nsStack.push(m_ns);
}
void NamespaceSupport::popContext()
{
m_ns.clear();
if(!m_nsStack.isEmpty())
m_ns = m_nsStack.pop();
}
QList<QXmlName> NamespaceSupport::namespaceBindings() const
{
QList<QXmlName> bindings;
QHashIterator<QXmlName::PrefixCode, QXmlName::NamespaceCode> it(m_ns);
while (it.hasNext()) {
it.next();
bindings.append(QXmlName(it.value(), StandardLocalNames::empty, it.key()));
}
return bindings;
}
QT_END_NAMESPACE
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