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     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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     7 ** This file is part of the QtXmlPatterns module of the Qt Toolkit.

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    40 ****************************************************************************/

    41 

    42 #include "qcommonsequencetypes_p.h"

    43 #include "qdocumentcontentvalidator_p.h"

    44 #include "qnodebuilder_p.h"

    45 

    46 #include "qdocumentconstructor_p.h"

    47 

    48 QT_BEGIN_NAMESPACE

    49 

    50 using namespace QPatternist;

    51 

    52 DocumentConstructor::DocumentConstructor(const Expression::Ptr &op) : SingleContainer(op)

    53 {

    54 }

    55 

    56 Item DocumentConstructor::evaluateSingleton(const DynamicContext::Ptr &context) const

    57 {

    58     NodeBuilder::Ptr nodeBuilder(context->nodeBuilder(m_staticBaseURI));

    59 

    60     DocumentContentValidator validator(nodeBuilder.data(), context, ConstPtr(this));

    61     const DynamicContext::Ptr receiverContext(context->createReceiverContext(&validator));

    62 

    63     validator.startDocument();

    64     m_operand->evaluateToSequenceReceiver(receiverContext);

    65     validator.endDocument();

    66 

    67     const QAbstractXmlNodeModel::Ptr nm(nodeBuilder->builtDocument());

    68     context->addNodeModel(nm);

    69 

    70     return nm->root(QXmlNodeModelIndex());

    71 }

    72 

    73 void DocumentConstructor::evaluateToSequenceReceiver(const DynamicContext::Ptr &context) const

    74 {

    75     QAbstractXmlReceiver *const receiver = context->outputReceiver();

    76 

    77     DocumentContentValidator validator(receiver, context, ConstPtr(this));

    78 

    79     const DynamicContext::Ptr receiverContext(context->createReceiverContext(&validator));

    80 

    81     validator.startDocument();

    82     m_operand->evaluateToSequenceReceiver(receiverContext);

    83     validator.endDocument();

    84 }

    85 

    86 Expression::Ptr DocumentConstructor::typeCheck(const StaticContext::Ptr &context,

    87                                                const SequenceType::Ptr &reqType)

    88 {

    89     m_staticBaseURI = context->baseURI();

    90     return SingleContainer::typeCheck(context, reqType);

    91 }

    92 

    93 SequenceType::Ptr DocumentConstructor::staticType() const

    94 {

    95     return CommonSequenceTypes::ExactlyOneDocumentNode;

    96 }

    97 

    98 SequenceType::List DocumentConstructor::expectedOperandTypes() const

    99 {

   100     SequenceType::List result;

   101     result.append(CommonSequenceTypes::ZeroOrMoreItems);

   102     return result;

   103 }

   104 

   105 Expression::Properties DocumentConstructor::properties() const

   106 {

   107     return DisableElimination | IsNodeConstructor;

   108 }

   109 

   110 ExpressionVisitorResult::Ptr

   111 DocumentConstructor::accept(const ExpressionVisitor::Ptr &visitor) const

   112 {

   113     return visitor->visit(this);

   114 }

   115 

   116 QT_END_NAMESPACE