54 lines
1.3 KiB
C++
54 lines
1.3 KiB
C++
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/*
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* Copyright (c) 2001-2006
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* DecisionSoft Limited. All rights reserved.
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* Copyright (c) 2004-2006
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* Progress Software Corporation. All rights reserved.
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* Copyright (c) 2004-2006
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* Oracle. All rights reserved.
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*
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* See the file LICENSE for redistribution information.
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*
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* $Id: FunctionNumber.hpp,v 1.9 2006/11/01 16:37:13 jpcs Exp $
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*/
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/*
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Number function
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*/
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#ifndef _FUNCTIONNUMBER_HPP
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#define _FUNCTIONNUMBER_HPP
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#include <xqilla/framework/XQillaExport.hpp>
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#include <xqilla/ast/XQFunction.hpp>
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class AnyAtomicType;
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/** Number operator function, and exists functions. */
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class XQILLA_API FunctionNumber : public XQFunction
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{
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public:
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static const XMLCh name[];
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static const unsigned int minArgs;
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static const unsigned int maxArgs;
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FunctionNumber(const VectorOfASTNodes &args, XPath2MemoryManager* memMgr);
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/**
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* Called during static analysis to determine if statically correct.
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* Performs constant folding if the function has an argument, and it
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* is constant.
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*/
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virtual ASTNode* staticResolution(StaticContext *context);
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virtual ASTNode *staticTyping(StaticContext *context);
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/** Returns the argument as a number **/
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Sequence collapseTreeInternal(DynamicContext* context, int flags=0) const;
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static Item::Ptr number(const AnyAtomicType::Ptr &item, DynamicContext *context);
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};
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#endif // _FUNCTIONNUMBER_HPP
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