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

48 lines
1.2 KiB
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: FunctionZeroOrOne.hpp,v 1.9 2006/11/01 16:37:13 jpcs Exp $
*/
#ifndef _FUNCTIONZEROORONE_HPP
#define _FUNCTIONZEROORONE_HPP
#include <xqilla/framework/XQillaExport.hpp>
#include <xqilla/ast/ConstantFoldingFunction.hpp>
class XQILLA_API FunctionZeroOrOne : public ConstantFoldingFunction
{
public:
static const XMLCh name[];
static const unsigned int minArgs;
static const unsigned int maxArgs;
FunctionZeroOrOne(const VectorOfASTNodes &args, XPath2MemoryManager* memMgr);
Result createResult(DynamicContext* context, int flags=0) const;
private:
class ZeroOrOneResult : public ResultImpl
{
public:
ZeroOrOneResult(const FunctionZeroOrOne *func, int flags);
Item::Ptr next(DynamicContext *context);
std::string asString(DynamicContext *context, int indent) const;
private:
int _flags;
const FunctionZeroOrOne *_func;
Result _arg;
unsigned int _argNo;
};
};
#endif // _FUNCTIONZEROORONE_HPP