1 /****************************************************************************
3 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/
6 ** This file is part of the QtXmlPatterns module of the Qt Toolkit.
8 ** $QT_BEGIN_LICENSE:LGPL$
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10 ** This file may be used under the terms of the GNU Lesser General Public
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21 ** GNU General Public License Usage
22 ** Alternatively, this file may be used under the terms of the GNU General
23 ** Public License version 3.0 as published by the Free Software Foundation
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25 ** file. Please review the following information to ensure the GNU General
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40 ****************************************************************************/
42 #include "qcommonsequencetypes_p.h"
43 #include "qdocumentcontentvalidator_p.h"
44 #include "qnodebuilder_p.h"
46 #include "qdocumentconstructor_p.h"
50 using namespace QPatternist;
52 DocumentConstructor::DocumentConstructor(const Expression::Ptr &op) : SingleContainer(op)
56 Item DocumentConstructor::evaluateSingleton(const DynamicContext::Ptr &context) const
58 NodeBuilder::Ptr nodeBuilder(context->nodeBuilder(m_staticBaseURI));
60 DocumentContentValidator validator(nodeBuilder.data(), context, ConstPtr(this));
61 const DynamicContext::Ptr receiverContext(context->createReceiverContext(&validator));
63 validator.startDocument();
64 m_operand->evaluateToSequenceReceiver(receiverContext);
65 validator.endDocument();
67 const QAbstractXmlNodeModel::Ptr nm(nodeBuilder->builtDocument());
68 context->addNodeModel(nm);
70 return nm->root(QXmlNodeModelIndex());
73 void DocumentConstructor::evaluateToSequenceReceiver(const DynamicContext::Ptr &context) const
75 QAbstractXmlReceiver *const receiver = context->outputReceiver();
77 DocumentContentValidator validator(receiver, context, ConstPtr(this));
79 const DynamicContext::Ptr receiverContext(context->createReceiverContext(&validator));
81 validator.startDocument();
82 m_operand->evaluateToSequenceReceiver(receiverContext);
83 validator.endDocument();
86 Expression::Ptr DocumentConstructor::typeCheck(const StaticContext::Ptr &context,
87 const SequenceType::Ptr &reqType)
89 m_staticBaseURI = context->baseURI();
90 return SingleContainer::typeCheck(context, reqType);
93 SequenceType::Ptr DocumentConstructor::staticType() const
95 return CommonSequenceTypes::ExactlyOneDocumentNode;
98 SequenceType::List DocumentConstructor::expectedOperandTypes() const
100 SequenceType::List result;
101 result.append(CommonSequenceTypes::ZeroOrMoreItems);
105 Expression::Properties DocumentConstructor::properties() const
107 return DisableElimination | IsNodeConstructor;
110 ExpressionVisitorResult::Ptr
111 DocumentConstructor::accept(const ExpressionVisitor::Ptr &visitor) const
113 return visitor->visit(this);