[188] | 1 | /*
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| 2 | * The Apache Software License, Version 1.1
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| 3 | *
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| 4 | * Copyright (c) 1999-2002 The Apache Software Foundation. All rights
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| 5 | * reserved.
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| 6 | *
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| 7 | * Redistribution and use in source and binary forms, with or without
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| 8 | * modification, are permitted provided that the following conditions
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| 9 | * are met:
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| 10 | *
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| 11 | * 1. Redistributions of source code must retain the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer.
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| 13 | *
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| 14 | * 2. Redistributions in binary form must reproduce the above copyright
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| 15 | * notice, this list of conditions and the following disclaimer in
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| 16 | * the documentation and/or other materials provided with the
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| 17 | * distribution.
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| 18 | *
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| 19 | * 3. The end-user documentation included with the redistribution,
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| 20 | * if any, must include the following acknowledgment:
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| 21 | * "This product includes software developed by the
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| 22 | * Apache Software Foundation (http://www.apache.org/)."
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| 23 | * Alternately, this acknowledgment may appear in the software itself,
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| 24 | * if and wherever such third-party acknowledgments normally appear.
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| 25 | *
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| 26 | * 4. The names "Xerces" and "Apache Software Foundation" must
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| 27 | * not be used to endorse or promote products derived from this
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| 28 | * software without prior written permission. For written
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| 29 | * permission, please contact apache\@apache.org.
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| 30 | *
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| 31 | * 5. Products derived from this software may not be called "Apache",
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| 32 | * nor may "Apache" appear in their name, without prior written
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| 33 | * permission of the Apache Software Foundation.
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| 34 | *
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| 35 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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| 36 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 37 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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| 38 | * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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| 39 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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| 40 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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| 41 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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| 42 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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| 43 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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| 44 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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| 45 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 46 | * SUCH DAMAGE.
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| 47 | * ====================================================================
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| 48 | *
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| 49 | * This software consists of voluntary contributions made by many
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| 50 | * individuals on behalf of the Apache Software Foundation, and was
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| 51 | * originally based on software copyright (c) 1999, International
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| 52 | * Business Machines, Inc., http://www.ibm.com . For more information
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| 53 | * on the Apache Software Foundation, please see
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| 54 | * <http://www.apache.org/>.
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| 55 | */
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| 56 |
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| 57 | /*
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| 58 | * $Id: DOM_Comment.hpp,v 1.3 2002/11/04 15:04:44 tng Exp $
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| 59 | */
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| 60 |
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| 61 | #ifndef DOM_Comment_HEADER_GUARD_
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| 62 | #define DOM_Comment_HEADER_GUARD_
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| 63 |
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| 64 | #include <xercesc/util/XercesDefs.hpp>
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| 65 | #include "DOM_CharacterData.hpp"
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| 66 |
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| 67 | XERCES_CPP_NAMESPACE_BEGIN
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| 68 |
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| 69 |
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| 70 | class CommentImpl;
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| 71 |
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| 72 | /**
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| 73 | * Class to refer to XML comment nodes in the DOM.
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| 74 | *
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| 75 | * <P>The string value contains all of the characters between
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| 76 | * the starting '<code><!--</code>' and ending '<code>--></code>'.
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| 77 | */
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| 78 | class CDOM_EXPORT DOM_Comment: public DOM_CharacterData {
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| 79 |
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| 80 | public:
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| 81 | /** @name Constructors and assignment operators */
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| 82 | //@{
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| 83 | /**
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| 84 | * Default constructor for DOM_Comment. The resulting object does not
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| 85 | * refer to an actual Comment node; it will compare == to 0, and is similar
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| 86 | * to a null object reference variable in Java. It may subsequently be
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| 87 | * assigned to refer to an actual comment node.
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| 88 | * <p>
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| 89 | * New comment nodes are created by DOM_Document::createComment().
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| 90 | *
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| 91 | */
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| 92 | DOM_Comment();
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| 93 |
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| 94 | /**
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| 95 | * Copy constructor. Creates a new <code>DOM_Comment</code> that refers to the
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| 96 | * same underlying node as the original. See also DOM_Node::clone(),
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| 97 | * which will copy the actual Comment node, rather than just creating a new
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| 98 | * reference to the original node.
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| 99 | *
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| 100 | * @param other The object to be copied.
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| 101 | */
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| 102 | DOM_Comment(const DOM_Comment &other);
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| 103 | /**
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| 104 | * Assignment operator.
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| 105 | *
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| 106 | * @param other The object to be copied.
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| 107 | */
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| 108 | DOM_Comment & operator = (const DOM_Comment &other);
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| 109 |
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| 110 | /**
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| 111 | * Assignment operator. This overloaded variant is provided for
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| 112 | * the sole purpose of setting a DOM_Node reference variable to
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| 113 | * zero. Nulling out a reference variable in this way will decrement
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| 114 | * the reference count on the underlying Node object that the variable
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| 115 | * formerly referenced. This effect is normally obtained when reference
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| 116 | * variable goes out of scope, but zeroing them can be useful for
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| 117 | * global instances, or for local instances that will remain in scope
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| 118 | * for an extended time, when the storage belonging to the underlying
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| 119 | * node needs to be reclaimed.
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| 120 | *
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| 121 | * @param val Only a value of 0, or null, is allowed.
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| 122 | */
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| 123 | DOM_Comment & operator = (const DOM_NullPtr *val);
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| 124 |
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| 125 |
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| 126 |
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| 127 | //@}
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| 128 | /** @name Destructor. */
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| 129 | //@{
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| 130 | /**
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| 131 | * Destructor for DOM_Comment. The object being destroyed is the reference
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| 132 | * object, not the underlying Comment node itself.
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| 133 | *
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| 134 | */
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| 135 | ~DOM_Comment();
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| 136 | //@}
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| 137 |
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| 138 | protected:
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| 139 | DOM_Comment(CommentImpl *comment);
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| 140 |
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| 141 | friend class DOM_Document;
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| 142 |
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| 143 |
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| 144 |
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| 145 | };
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| 146 |
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| 147 | XERCES_CPP_NAMESPACE_END
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| 148 |
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| 149 | #endif
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| 150 |
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