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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://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qcommonsequencetypes_p.h"
#include "qpatternistlocale_p.h"
#include "qnodebuilder_p.h"
#include "qcommentconstructor_p.h"
QT_BEGIN_NAMESPACE
using namespace QPatternist;
CommentConstructor::CommentConstructor(const Expression::Ptr &op) : SingleContainer(op)
{
}
QString CommentConstructor::evaluateContent(const DynamicContext::Ptr &context) const
{
const Item item(m_operand->evaluateSingleton(context));
if(!item)
return QString();
const QString content(item.stringValue());
if(content.contains(QLatin1String("--")))
{
context->error(QtXmlPatterns::tr("A comment cannot contain %1")
.arg(formatData("--")),
ReportContext::XQDY0072, this);
}
else if(content.endsWith(QLatin1Char('-')))
{
context->error(QtXmlPatterns::tr("A comment cannot end with a %1.")
.arg(formatData(QLatin1Char('-'))),
ReportContext::XQDY0072, this);
}
return content;
}
Item CommentConstructor::evaluateSingleton(const DynamicContext::Ptr &context) const
{
const QString content(evaluateContent(context));
const NodeBuilder::Ptr nodeBuilder(context->nodeBuilder(QUrl()));
nodeBuilder->comment(content);
const QAbstractXmlNodeModel::Ptr nm(nodeBuilder->builtDocument());
context->addNodeModel(nm);
return nm->root(QXmlNodeModelIndex());
}
void CommentConstructor::evaluateToSequenceReceiver(const DynamicContext::Ptr &context) const
{
const QString content(evaluateContent(context));
QAbstractXmlReceiver *const receiver = context->outputReceiver();
receiver->comment(content);
}
SequenceType::Ptr CommentConstructor::staticType() const
{
return CommonSequenceTypes::ExactlyOneComment;
}
SequenceType::List CommentConstructor::expectedOperandTypes() const
{
SequenceType::List result;
result.append(CommonSequenceTypes::ZeroOrOneString);
return result;
}
Expression::Properties CommentConstructor::properties() const
{
return DisableElimination | IsNodeConstructor;
}
ExpressionVisitorResult::Ptr
CommentConstructor::accept(const ExpressionVisitor::Ptr &visitor) const
{
return visitor->visit(this);
}
QT_END_NAMESPACE
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