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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 "qanyuri_p.h"
#include "qboolean_p.h"
#include "qbuiltintypes_p.h"
#include "qcommonvalues_p.h"
#include "qliteral_p.h"
#include "qitem_p.h"
#include "qqnamevalue_p.h"
#include "qatomicstring_p.h"
#include "qaccessorfns_p.h"
QT_BEGIN_NAMESPACE
using namespace QPatternist;
Item NodeNameFN::evaluateSingleton(const DynamicContext::Ptr &context) const
{
const Item item(m_operands.first()->evaluateSingleton(context));
if(item)
{
const QXmlName name(item.asNode().name());
if(name.isNull())
return Item();
else
return toItem(QNameValue::fromValue(context->namePool(), name));
}
else
return Item();
}
Item NilledFN::evaluateSingleton(const DynamicContext::Ptr &context) const
{
const Item item(m_operands.first()->evaluateSingleton(context));
if(item && item.asNode().kind() == QXmlNodeModelIndex::Element)
{
/* We have no access to the PSVI -- always return false. */
return CommonValues::BooleanFalse;
}
else
return Item();
}
Item StringFN::evaluateSingleton(const DynamicContext::Ptr &context) const
{
const Item item(m_operands.first()->evaluateSingleton(context));
if(item)
return AtomicString::fromValue(item.stringValue());
else
return CommonValues::EmptyString;
}
Expression::Ptr StringFN::typeCheck(const StaticContext::Ptr &context,
const SequenceType::Ptr &reqType)
{
const Expression::Ptr me(FunctionCall::typeCheck(context, reqType));
if(me != this)
return me;
if(BuiltinTypes::xsString->xdtTypeMatches(m_operands.first()->staticType()->itemType()))
return m_operands.first(); /* No need for string(), it's already a string. */
else
return me;
}
Item BaseURIFN::evaluateSingleton(const DynamicContext::Ptr &context) const
{
const Item node(m_operands.first()->evaluateSingleton(context));
if(node)
{
const QUrl base(node.asNode().baseUri());
if(base.isEmpty())
return Item();
else if(base.isValid())
{
Q_ASSERT_X(!base.isRelative(), Q_FUNC_INFO,
"The base URI must be absolute.");
return toItem(AnyURI::fromValue(base));
}
else
return Item();
}
else
return Item();
}
Item DocumentURIFN::evaluateSingleton(const DynamicContext::Ptr &context) const
{
const Item node(m_operands.first()->evaluateSingleton(context));
if(node)
{
const QUrl documentURI(node.asNode().documentUri());
if(documentURI.isValid())
{
if(documentURI.isEmpty())
return Item();
else
{
Q_ASSERT_X(!documentURI.isRelative(), Q_FUNC_INFO,
"The document URI must be absolute.");
return toItem(AnyURI::fromValue(documentURI));
}
}
else
return Item();
}
else
return Item();
}
QT_END_NAMESPACE
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