XQuilla/include/xqilla/functions/FunctionAvg.hpp
2020-02-17 22:05:20 +01:00

39 lines
1,022 B
C++

/*
* Copyright (c) 2001-2006
* DecisionSoft Limited. All rights reserved.
* Copyright (c) 2004-2006
* Progress Software Corporation. All rights reserved.
* Copyright (c) 2004-2006
* Oracle. All rights reserved.
*
* See the file LICENSE for redistribution information.
*
* $Id: FunctionAvg.hpp,v 1.8 2006/11/01 16:37:12 jpcs Exp $
*/
/*
* Avg function -- takes a sequence, returns a vlue of the same type as the items which is
* the average of the values
*/
#ifndef _FUNCTIONAVG_HPP
#define _FUNCTIONAVG_HPP
#include <xqilla/ast/AggregateFunction.hpp>
/** Avg operator function*/
class XQILLA_API FunctionAvg : public AggregateFunction
{
public:
static const XMLCh name[];
static const unsigned int minArgs;
static const unsigned int maxArgs;
FunctionAvg(const VectorOfASTNodes &args, XPath2MemoryManager* memMgr);
/** Takes a list of nodes and averages their values */
Sequence collapseTreeInternal(DynamicContext* context, int flags=0) const;
};
#endif // _FUNCTIONAVG_HPP