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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** 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 either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qtemplateinvoker_p.h"
QT_BEGIN_NAMESPACE
using namespace QPatternist;
TemplateInvoker::TemplateInvoker(const WithParam::Hash &withParams,
const QXmlName &name) : CallSite(name)
, m_withParams(withParams)
{
const WithParam::Hash::const_iterator end(m_withParams.constEnd());
for(WithParam::Hash::const_iterator it(m_withParams.constBegin()); it != end; ++it)
{
/* In the case of for instance:
* <xsl:with-param name="empty_seq" as="item()"/>
*
* we have no default expression. */
Q_ASSERT(it.value()->sourceExpression());
m_operands.append(it.value()->sourceExpression());
}
}
Expression::Ptr TemplateInvoker::compress(const StaticContext::Ptr &context)
{
/* CallSite::compress() may have changed our children, so update
* our m_withParams. */
const Expression::Ptr me(CallSite::compress(context));
const WithParam::Hash::const_iterator end(m_withParams.constEnd());
int exprIndex = -1;
for(WithParam::Hash::const_iterator it(m_withParams.constBegin()); it != end; ++it)
{
if(it.value()->sourceExpression())
{
++exprIndex;
it.value()->setSourceExpression(m_operands.at(exprIndex));
}
}
return me;
}
SequenceType::List TemplateInvoker::expectedOperandTypes() const
{
SequenceType::List result;
/* We don't return the type of the m_template->templateParameters(), we
* return the type of the @c xsl:with-param first. @em After that, we
* manually apply the parameter types in typeCheck(). */
const WithParam::Hash::const_iterator end(m_withParams.constEnd());
for(WithParam::Hash::const_iterator it(m_withParams.constBegin()); it != end; ++it)
{
/* We're not guaranteed to have a with-param, we may be using the
* default value of the xsl:param. Tunnel parameters may also play
* in. */
result.append(it.value()->type());
}
return result;
}
QT_END_NAMESPACE
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