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/****************************************************************************
**
** Copyright (C) 2011 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qboolean_p.h"
#include "qcommonvalues_p.h"
#include "qdynamiccontext_p.h"
#include "qexternalvariableloader_p.h"
QT_BEGIN_NAMESPACE
using namespace QPatternist;
ExternalVariableLoader::~ExternalVariableLoader()
{
}
SequenceType::Ptr ExternalVariableLoader::announceExternalVariable(const QXmlName name,
const SequenceType::Ptr &declaredType)
{
Q_ASSERT(!name.isNull());
Q_ASSERT(declaredType);
Q_UNUSED(name); /* Needed when compiling in release mode. */
Q_UNUSED(declaredType); /* Needed when compiling in release mode. */
return SequenceType::Ptr();
}
Item::Iterator::Ptr ExternalVariableLoader::evaluateSequence(const QXmlName name,
const DynamicContext::Ptr &context)
{
Q_ASSERT(!name.isNull());
const Item item(evaluateSingleton(name, context));
if(item)
return makeSingletonIterator(item);
else
return CommonValues::emptyIterator;
}
Item ExternalVariableLoader::evaluateSingleton(const QXmlName name,
const DynamicContext::Ptr &context)
{
Q_ASSERT(!name.isNull());
return Boolean::fromValue(evaluateEBV(name, context));
}
bool ExternalVariableLoader::evaluateEBV(const QXmlName name,
const DynamicContext::Ptr &context)
{
Q_ASSERT(!name.isNull());
return Boolean::evaluateEBV(evaluateSequence(name, context), context);
}
QT_END_NAMESPACE
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