67 lines
1.8 KiB
C++
67 lines
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: Except.hpp 659 2008-10-06 00:11:22Z jpcs $
|
|
*/
|
|
|
|
/*
|
|
|
|
Op Except
|
|
The except operator takes two node sequences as operands and returns a sequence containing all the nodes that occur in the first operand
|
|
but not in the second operand
|
|
*/
|
|
|
|
#ifndef _EXCEPT_HPP
|
|
#define _EXCEPT_HPP
|
|
|
|
#include <xqilla/framework/XQillaExport.hpp>
|
|
|
|
#include <xqilla/ast/XQOperator.hpp>
|
|
#include <xqilla/ast/XQNav.hpp>
|
|
#include <xqilla/runtime/ResultBuffer.hpp>
|
|
|
|
class XQILLA_API Except : public XQOperator
|
|
{
|
|
public:
|
|
static const XMLCh name[];
|
|
|
|
Except(const VectorOfASTNodes &args, XPath2MemoryManager* memMgr);
|
|
|
|
ASTNode* staticResolution(StaticContext *context);
|
|
virtual ASTNode *staticTypingImpl(StaticContext *context);
|
|
Result createResult(DynamicContext* context, int flags=0) const;
|
|
|
|
private:
|
|
class ExceptResult : public ResultImpl
|
|
{
|
|
public:
|
|
ExceptResult(const Except *op, int flags);
|
|
|
|
Item::Ptr next(DynamicContext *context);
|
|
private:
|
|
const Except *_op;
|
|
unsigned int _flags;
|
|
bool _toDo;
|
|
Result _result;
|
|
ResultBuffer _excpt;
|
|
};
|
|
|
|
bool sortAdded_;
|
|
};
|
|
|
|
#endif
|