XQuilla/include/xqilla/items/Item.hpp
2020-02-17 22:14:54 +01:00

65 lines
1.7 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: Item.hpp 475 2008-01-08 18:47:44Z jpcs $
*/
#ifndef _ITEM_HPP
#define _ITEM_HPP
#include <xqilla/framework/XQillaExport.hpp>
#include <xqilla/framework/ReferenceCounted.hpp>
#include <xercesc/util/XercesDefs.hpp>
// forward declare when we can
class XPath2MemoryManager;
class DynamicContext;
class XQILLA_API Item : public ReferenceCounted
{
public:
typedef RefCountPointer<const Item> Ptr;
/** The "XQilla" item interface */
static const XMLCh gXQilla[];
virtual bool isNode() const = 0;
virtual bool isAtomicValue() const = 0;
virtual const XMLCh* asString(const DynamicContext* context) const = 0;
virtual const XMLCh* getTypeURI() const = 0;
virtual const XMLCh* getTypeName() const = 0;
/** Method for returning arbitrary interfaces from the implementations */
virtual void *getInterface(const XMLCh *name) const = 0;
protected:
Item() {}
private:
// copy constructor
Item (const Item & other);
// assignment operation
Item & operator=(const Item & item) ;
};
#endif // _ITEM_HPP