XQuilla/include/xqilla/operators/GeneralComp.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: GeneralComp.hpp 659 2008-10-06 00:11:22Z jpcs $
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*/
/*
General Comparison operator function
*/
#ifndef _GENERALCOMP_HPP
#define _GENERALCOMP_HPP
#include <xqilla/framework/XQillaExport.hpp>
#include <xqilla/ast/XQOperator.hpp>
#include <xqilla/runtime/SingleResult.hpp>
/** GeneralComp operator function*/
class XQILLA_API GeneralComp : public XQOperator
{
public:
typedef enum {
EQUAL,
NOT_EQUAL,
LESS_THAN,
LESS_THAN_EQUAL,
GREATER_THAN,
GREATER_THAN_EQUAL
} ComparisonOperation;
static const XMLCh name[];
GeneralComp(ComparisonOperation operation, const VectorOfASTNodes &args, XPath2MemoryManager* memMgr);
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GeneralComp(ComparisonOperation operation, const VectorOfASTNodes &args, Collation *collation, bool xpath1Compat, XPath2MemoryManager* memMgr);
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ASTNode* staticResolution(StaticContext *context);
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virtual ASTNode *staticTypingImpl(StaticContext *context);
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Result createResult(DynamicContext* context, int flags=0) const;
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ComparisonOperation getOperation() const { return operation_; }
Collation *getCollation() const { return collation_; }
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bool getXPath1CompatibilityMode() const { return xpath1compat_; }
static bool compare(GeneralComp::ComparisonOperation operation,
AnyAtomicType::Ptr first, AnyAtomicType::Ptr second,
Collation* collation, DynamicContext *context,
bool xpath1compat, const LocationInfo *info);
protected:
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ComparisonOperation operation_;
Collation* collation_;
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bool xpath1compat_;
};
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#endif
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