77 lines
2.2 KiB
C++
77 lines
2.2 KiB
C++
/*
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* Copyright (c) 2001, 2008,
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* DecisionSoft Limited. All rights reserved.
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* Copyright (c) 2004, 2011,
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* Oracle and/or its affiliates. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _ITEM_HPP
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#define _ITEM_HPP
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#include <xqilla/framework/XQillaExport.hpp>
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#include <xqilla/framework/ReferenceCounted.hpp>
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#include <xercesc/util/XercesDefs.hpp>
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XERCES_CPP_NAMESPACE_BEGIN
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class XMLBuffer;
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XERCES_CPP_NAMESPACE_END
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// forward declare when we can
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class XPath2MemoryManager;
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class DynamicContext;
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class EventHandler;
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class XQILLA_API Item : public ReferenceCounted
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{
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public:
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typedef RefCountPointer<const Item> Ptr;
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/** The "XQilla" item interface */
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static const XMLCh gXQilla[];
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virtual bool isNode() const = 0;
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virtual bool isAtomicValue() const = 0;
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virtual bool isFunction() const = 0;
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virtual const XMLCh* asString(const DynamicContext* context) const = 0;
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virtual const XMLCh* getTypeURI() const = 0;
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virtual const XMLCh* getTypeName() const = 0;
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/** Generate events for this Item to the given EventHandler */
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virtual void generateEvents(EventHandler *events, const DynamicContext *context,
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bool preserveNS = true, bool preserveType = true) const = 0;
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/** Method for returning arbitrary interfaces from the implementations */
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virtual void *getInterface(const XMLCh *name) const = 0;
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/** Debug method to output the type of the item in SequenceType notation */
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virtual void typeToBuffer(DynamicContext *context, XERCES_CPP_NAMESPACE_QUALIFIER XMLBuffer &buffer) const = 0;
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protected:
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Item() {}
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private:
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// copy constructor
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Item (const Item & other);
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// assignment operation
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Item & operator=(const Item & item) ;
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};
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#endif
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