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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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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