1 /****************************************************************************
3 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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6 ** This file is part of the QtXmlPatterns module of the Qt Toolkit.
8 ** $QT_BEGIN_LICENSE:LGPL$
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21 ** GNU General Public License Usage
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40 ****************************************************************************/
42 #include "qcommonsequencetypes_p.h"
43 #include "qcurrentfn_p.h"
47 using namespace QPatternist;
49 Item CurrentFN::evaluateSingleton(const DynamicContext::Ptr &context) const
51 return context->currentItem();
54 Expression::Ptr CurrentFN::compress(const StaticContext::Ptr &context)
56 m_itemType = context->currentItemType();
57 return FunctionCall::compress(context);
60 Expression::Ptr CurrentFN::typeCheck(const StaticContext::Ptr &context,
61 const SequenceType::Ptr &reqType)
63 m_itemType = context->currentItemType();
64 return FunctionCall::typeCheck(context, reqType);
67 SequenceType::Ptr CurrentFN::staticType() const
70 return makeGenericSequenceType(m_itemType, Cardinality::exactlyOne());
72 return CommonSequenceTypes::ExactlyOneItem;