51 lines
1.4 KiB
C++
51 lines
1.4 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: XQOperator.hpp,v 1.8 2006/11/01 16:37:11 jpcs Exp $
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*/
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#ifndef _XQOPERATOR_HPP
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#define _XQOPERATOR_HPP
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#include <xqilla/ast/ASTNodeImpl.hpp>
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#include <xqilla/runtime/Sequence.hpp>
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#include <xqilla/items/Node.hpp>
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#include <xercesc/util/XMLUniDefs.hpp> // because every implementation will use these to define the function name
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class Node;
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/** Virtual interface class for operator */
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class XQILLA_API XQOperator : public ASTNodeImpl
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{
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public:
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/// constructor, checks for the correct number of arguments.
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XQOperator(const XMLCh* opName, const VectorOfASTNodes &args, XPath2MemoryManager* memMgr);
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/** used to manipulate arguments */
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void addArgument(ASTNode* arg);
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void removeArgument(unsigned int index);
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ASTNode* getArgument(unsigned int index) const;
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void setArgument(unsigned int index, ASTNode *arg);
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/** returns the number of parameters passed into the operator */
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unsigned int getNumArgs() const;
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virtual const XMLCh* getOperatorName() const;
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const VectorOfASTNodes &getArguments() const;
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protected:
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VectorOfASTNodes _args; // The real store for arguments
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const XMLCh* _opName;
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};
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#endif // _XQOPERATOR_HPP
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