XQuilla/include/xqilla/ast/XQInstanceOf.hpp
2020-02-17 22:13:50 +01:00

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1.8 KiB
C++

/*
* Copyright (c) 2001-2008
* DecisionSoft Limited. All rights reserved.
* Copyright (c) 2004-2008
* Oracle. All rights reserved.
*
* 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
*
* 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.
*
* $Id: XQInstanceOf.hpp,v 1.11 2008/01/08 18:47:29 jpcs Exp $
*/
#ifndef _XQINSTANCEOF_HPP
#define _XQINSTANCEOF_HPP
#include <xqilla/framework/XQillaExport.hpp>
#include <xqilla/ast/ASTNodeImpl.hpp>
#include <xqilla/runtime/SingleResult.hpp>
class SequenceType;
class XQILLA_API XQInstanceOf : public ASTNodeImpl
{
public:
XQInstanceOf(ASTNode* expr, SequenceType* exprType, XPath2MemoryManager* memMgr);
virtual Result createResult(DynamicContext* context, int flags=0) const;
virtual ASTNode* staticResolution(StaticContext *context);
virtual ASTNode *staticTyping(StaticContext *context);
const ASTNode *getExpression() const;
const SequenceType *getSequenceType() const;
void setExpression(ASTNode *item);
protected:
class InstanceOfResult : public SingleResult
{
public:
InstanceOfResult(const XQInstanceOf *di, int flags);
Item::Ptr getSingleResult(DynamicContext *context) const;
std::string asString(DynamicContext *context, int indent) const;
private:
int _flags;
const XQInstanceOf *_di;
};
ASTNode* _expr;
SequenceType* _exprType;
};
#endif