[188] | 1 | #ifndef DOMSPtr_HEADER_GUARD_
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| 2 | #define DOMSPtr_HEADER_GUARD_
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| 3 |
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| 4 | /*
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| 5 | * The Apache Software License, Version 1.1
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| 6 | *
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| 7 | * Copyright (c) 2001-2003 The Apache Software Foundation. All rights
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| 8 | * reserved.
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| 9 | *
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| 10 | * Redistribution and use in source and binary forms, with or without
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| 11 | * modification, are permitted provided that the following conditions
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| 12 | * are met:
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| 13 | *
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| 14 | * 1. Redistributions of source code must retain the above copyright
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| 15 | * notice, this list of conditions and the following disclaimer.
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| 16 | *
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| 17 | * 2. Redistributions in binary form must reproduce the above copyright
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| 18 | * notice, this list of conditions and the following disclaimer in
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| 19 | * the documentation and/or other materials provided with the
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| 20 | * distribution.
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| 21 | *
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| 22 | * 3. The end-user documentation included with the redistribution,
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| 23 | * if any, must include the following acknowledgment:
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| 24 | * "This product includes software developed by the
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| 25 | * Apache Software Foundation (http://www.apache.org/)."
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| 26 | * Alternately, this acknowledgment may appear in the software itself,
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| 27 | * if and wherever such third-party acknowledgments normally appear.
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| 28 | *
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| 29 | * 4. The names "Xerces" and "Apache Software Foundation" must
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| 30 | * not be used to endorse or promote products derived from this
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| 31 | * software without prior written permission. For written
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| 32 | * permission, please contact apache\@apache.org.
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| 33 | *
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| 34 | * 5. Products derived from this software may not be called "Apache",
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| 35 | * nor may "Apache" appear in their name, without prior written
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| 36 | * permission of the Apache Software Foundation.
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| 37 | *
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| 38 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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| 39 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 40 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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| 41 | * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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| 42 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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| 43 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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| 44 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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| 45 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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| 46 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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| 47 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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| 48 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 49 | * SUCH DAMAGE.
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| 50 | * ====================================================================
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| 51 | *
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| 52 | * This software consists of voluntary contributions made by many
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| 53 | * individuals on behalf of the Apache Software Foundation, and was
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| 54 | * originally based on software copyright (c) 2001, International
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| 55 | * Business Machines, Inc., http://www.ibm.com . For more information
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| 56 | * on the Apache Software Foundation, please see
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| 57 | * <http://www.apache.org/>.
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| 58 | */
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| 59 |
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| 60 | /*
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| 61 | * $Id: StDOMNode.hpp,v 1.2 2003/05/06 13:48:34 neilg Exp $
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| 62 | */
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| 63 |
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| 64 | #include <xercesc/dom/DOMNode.hpp>
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| 65 | #include <xercesc/dom/DOMAttr.hpp>
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| 66 | #include <xercesc/dom/DOMElement.hpp>
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| 67 |
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| 68 | XERCES_CPP_NAMESPACE_BEGIN
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| 69 |
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| 70 | /* This class is a smart pointer implementation over DOMNode interface and
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| 71 | ** classes derived from it. It takes care of reference counting automatically.
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| 72 | ** Reference counting is optional so use of this class is experimental.
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| 73 | */
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| 74 | template <class T> class StDOMNode {
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| 75 | T* m_node;
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| 76 |
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| 77 | static inline void INCREFCOUNT(T *x) { if (x != (T*)0) x->incRefCount(); }
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| 78 | static inline void DECREFCOUNT(T *x) { if (x != (T*)0) x->decRefCount(); }
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| 79 |
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| 80 | public:
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| 81 | inline StDOMNode(T* node = (T*)0) : m_node(node) { INCREFCOUNT(m_node); }
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| 82 | inline StDOMNode(const StDOMNode& stNode) : m_node(stNode.m_node) { INCREFCOUNT(m_node); }
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| 83 | inline ~StDOMNode() { DECREFCOUNT(m_node); }
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| 84 |
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| 85 | inline T* operator= (T *node)
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| 86 | {
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| 87 | if (m_node != node) {
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| 88 | DECREFCOUNT(m_node);
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| 89 | m_node = node;
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| 90 | INCREFCOUNT(m_node);
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| 91 | }
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| 92 | return (m_node);
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| 93 | }
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| 94 |
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| 95 | inline bool operator!= (T* node) const { return (m_node != node); }
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| 96 | inline bool operator== (T* node) const { return (m_node == node); }
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| 97 |
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| 98 | inline T& operator* () { return (*m_node); }
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| 99 | inline const T& operator* () const { return (*m_node); }
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| 100 | inline T* operator-> () const { return (m_node); }
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| 101 | inline operator T*() const { return (m_node); }
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| 102 | inline void ClearNode() { operator=((T*)(0)); }
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| 103 | };
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| 104 |
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| 105 | #if defined(XML_DOMREFCOUNT_EXPERIMENTAL)
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| 106 | typedef StDOMNode<DOMNode> DOMNodeSPtr;
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| 107 | #else
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| 108 | typedef DOMNode* DOMNodeSPtr;
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| 109 | #endif
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| 110 |
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| 111 | /* StDOMNode is a smart pointer implementation over DOMNode interface and
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| 112 | ** classes derived from it. It takes care of reference counting automatically.
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| 113 | ** Reference counting is optional so use of this class is experimental.
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| 114 | */
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| 115 | #if defined(XML_DOMREFCOUNT_EXPERIMENTAL)
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| 116 | typedef StDOMNode<DOMAttr> DOMAttrSPtr;
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| 117 | #else
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| 118 | typedef DOMAttr* DOMAttrSPtr;
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| 119 | #endif
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| 120 |
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| 121 | /* StDOMNode is a smart pointer implementation over DOMNode interface and
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| 122 | ** classes derived from it. It takes care of reference counting automatically.
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| 123 | ** Reference counting is optional so use of this class is experimental.
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| 124 | */
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| 125 | #if defined(XML_DOMREFCOUNT_EXPERIMENTAL)
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| 126 | typedef StDOMNode<DOMElement> DOMElementSPtr;
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| 127 | #else
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| 128 | typedef DOMElement* DOMElementSPtr;
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| 129 | #endif
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| 130 |
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| 131 | XERCES_CPP_NAMESPACE_END
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| 132 |
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| 133 | #endif
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| 134 |
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