StDOMNode.hpp
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上传日期:2013-06-25
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- #ifndef DOMSPtr_HEADER_GUARD_
- #define DOMSPtr_HEADER_GUARD_
- /*
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 2001-2003 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution,
- * if any, must include the following acknowledgment:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself,
- * if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Xerces" and "Apache Software Foundation" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache",
- * nor may "Apache" appear in their name, without prior written
- * permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation, and was
- * originally based on software copyright (c) 2001, International
- * Business Machines, Inc., http://www.ibm.com . For more information
- * on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
- /*
- * $Id: StDOMNode.hpp,v 1.2 2003/05/06 13:48:34 neilg Exp $
- */
- #include <xercesc/dom/DOMNode.hpp>
- #include <xercesc/dom/DOMAttr.hpp>
- #include <xercesc/dom/DOMElement.hpp>
- XERCES_CPP_NAMESPACE_BEGIN
- /* This class is a smart pointer implementation over DOMNode interface and
- ** classes derived from it. It takes care of reference counting automatically.
- ** Reference counting is optional so use of this class is experimental.
- */
- template <class T> class StDOMNode {
- T* m_node;
- static inline void INCREFCOUNT(T *x) { if (x != (T*)0) x->incRefCount(); }
- static inline void DECREFCOUNT(T *x) { if (x != (T*)0) x->decRefCount(); }
- public:
- inline StDOMNode(T* node = (T*)0) : m_node(node) { INCREFCOUNT(m_node); }
- inline StDOMNode(const StDOMNode& stNode) : m_node(stNode.m_node) { INCREFCOUNT(m_node); }
- inline ~StDOMNode() { DECREFCOUNT(m_node); }
- inline T* operator= (T *node)
- {
- if (m_node != node) {
- DECREFCOUNT(m_node);
- m_node = node;
- INCREFCOUNT(m_node);
- }
- return (m_node);
- }
- inline bool operator!= (T* node) const { return (m_node != node); }
- inline bool operator== (T* node) const { return (m_node == node); }
- inline T& operator* () { return (*m_node); }
- inline const T& operator* () const { return (*m_node); }
- inline T* operator-> () const { return (m_node); }
- inline operator T*() const { return (m_node); }
- inline void ClearNode() { operator=((T*)(0)); }
- };
- #if defined(XML_DOMREFCOUNT_EXPERIMENTAL)
- typedef StDOMNode<DOMNode> DOMNodeSPtr;
- #else
- typedef DOMNode* DOMNodeSPtr;
- #endif
- /* StDOMNode is a smart pointer implementation over DOMNode interface and
- ** classes derived from it. It takes care of reference counting automatically.
- ** Reference counting is optional so use of this class is experimental.
- */
- #if defined(XML_DOMREFCOUNT_EXPERIMENTAL)
- typedef StDOMNode<DOMAttr> DOMAttrSPtr;
- #else
- typedef DOMAttr* DOMAttrSPtr;
- #endif
- /* StDOMNode is a smart pointer implementation over DOMNode interface and
- ** classes derived from it. It takes care of reference counting automatically.
- ** Reference counting is optional so use of this class is experimental.
- */
- #if defined(XML_DOMREFCOUNT_EXPERIMENTAL)
- typedef StDOMNode<DOMElement> DOMElementSPtr;
- #else
- typedef DOMElement* DOMElementSPtr;
- #endif
- XERCES_CPP_NAMESPACE_END
- #endif