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authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:34:13 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:34:13 (GMT)
commit67ad0519fd165acee4a4d2a94fa502e9e4847bd0 (patch)
tree1dbf50b3dff8d5ca7e9344733968c72704eb15ff /src/xmlpatterns/expr/qtextnodeconstructor.cpp
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Long live Qt!
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QUrl>
+
+#include "qcommonsequencetypes_p.h"
+#include "qnodebuilder_p.h"
+
+#include "qtextnodeconstructor_p.h"
+
+QT_BEGIN_NAMESPACE
+
+using namespace QPatternist;
+
+TextNodeConstructor::TextNodeConstructor(const Expression::Ptr &op) : SingleContainer(op)
+{
+}
+
+Item TextNodeConstructor::evaluateSingleton(const DynamicContext::Ptr &context) const
+{
+ const Item chars(m_operand->evaluateSingleton(context));
+
+ if(!chars)
+ return Item();
+
+ const NodeBuilder::Ptr nodeBuilder(context->nodeBuilder(QUrl()));
+ const QString &v = chars.stringValue();
+ nodeBuilder->characters(QStringRef(&v));
+
+ const QAbstractXmlNodeModel::Ptr nm(nodeBuilder->builtDocument());
+ context->addNodeModel(nm);
+
+ return nm->root(QXmlNodeModelIndex());
+}
+
+void TextNodeConstructor::evaluateToSequenceReceiver(const DynamicContext::Ptr &context) const
+{
+ const Item item(m_operand->evaluateSingleton(context));
+
+ QAbstractXmlReceiver *const receiver = context->outputReceiver();
+
+ if(item)
+ {
+ const QString &v = item.stringValue();
+ receiver->characters(QStringRef(&v));
+ }
+ else
+ receiver->characters(QStringRef());
+}
+
+SequenceType::Ptr TextNodeConstructor::staticType() const
+{
+ if(m_operand->staticType()->cardinality().allowsEmpty())
+ return CommonSequenceTypes::ZeroOrOneTextNode;
+ else
+ return CommonSequenceTypes::ExactlyOneTextNode;
+}
+
+SequenceType::List TextNodeConstructor::expectedOperandTypes() const
+{
+ SequenceType::List result;
+ result.append(CommonSequenceTypes::ZeroOrOneString);
+ return result;
+}
+
+Expression::Properties TextNodeConstructor::properties() const
+{
+ return DisableElimination | IsNodeConstructor;
+}
+
+ExpressionVisitorResult::Ptr
+TextNodeConstructor::accept(const ExpressionVisitor::Ptr &visitor) const
+{
+ return visitor->visit(this);
+}
+
+QT_END_NAMESPACE