XQuilla/include/xqilla/functions/FunctionRemove.hpp

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/*
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* Copyright (c) 2001-2008
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* DecisionSoft Limited. All rights reserved.
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* Copyright (c) 2004-2008
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* Oracle. All rights reserved.
*
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* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
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* $Id: FunctionRemove.hpp,v 1.12 2008/01/08 18:47:31 jpcs Exp $
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*/
#ifndef _FUNCTIONREMOVE_HPP
#define _FUNCTIONREMOVE_HPP
#include <xqilla/framework/XQillaExport.hpp>
#include <xqilla/ast/ConstantFoldingFunction.hpp>
class XQILLA_API FunctionRemove : public ConstantFoldingFunction
{
public:
static const XMLCh name[];
static const unsigned int minArgs;
static const unsigned int maxArgs;
FunctionRemove(const VectorOfASTNodes &args, XPath2MemoryManager* memMgr);
ASTNode* staticResolution(StaticContext *context);
ASTNode *staticTyping(StaticContext *context);
Result createResult(DynamicContext* context, int flags=0) const;
private:
class RemoveResult : public ResultImpl
{
public:
RemoveResult(const FunctionRemove *func);
Item::Ptr next(DynamicContext *context);
std::string asString(DynamicContext *context, int indent) const;
private:
const FunctionRemove *_func;
Numeric::Ptr _position;
Numeric::Ptr _one;
Numeric::Ptr _i;
bool _removeDone;
Result _target;
};
};
#endif // _FUNCTIONREMOVE_HPP