46 lines
1.3 KiB
C++
46 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: FunctionBoolean.hpp,v 1.10 2006/11/01 16:37:12 jpcs Exp $
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*/
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/*
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Boolean function
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*/
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#ifndef _FUNCTIONBOOLEAN_HPP
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#define _FUNCTIONBOOLEAN_HPP
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#include <xqilla/framework/XQillaExport.hpp>
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#include <xqilla/ast/ConstantFoldingFunction.hpp>
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/** Boolean operator function, and exists functions. Warning, you may need to think
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about this one, but in fact, these two functions have the same behaviour. */
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class XQILLA_API FunctionBoolean : public ConstantFoldingFunction
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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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///Constructor. Sets arg def to NOT_OPTIONAL
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FunctionBoolean(const VectorOfASTNodes &args, XPath2MemoryManager* memMgr);
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ASTNode* staticResolution(StaticContext *context);
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virtual ASTNode *staticTyping(StaticContext *context);
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/** Returns the argument as a boolean. Sets result to value of getNextBool() **/
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Sequence collapseTreeInternal(DynamicContext* context, int flags=0) const;
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};
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#endif // _FUNCTIONBOOLEAN_HPP
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