?? dom_comment.hpp
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/* * Copyright 1999-2002,2004 The Apache Software Foundation. * * 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: DOM_Comment.hpp,v 1.5 2004/09/08 13:55:42 peiyongz Exp $ */#ifndef DOM_Comment_HEADER_GUARD_#define DOM_Comment_HEADER_GUARD_#include <xercesc/util/XercesDefs.hpp>#include "DOM_CharacterData.hpp"XERCES_CPP_NAMESPACE_BEGINclass CommentImpl;/** * Class to refer to XML comment nodes in the DOM. * * <P>The string value contains all of the characters between * the starting '<code><!--</code>' and ending '<code>--></code>'. */class DEPRECATED_DOM_EXPORT DOM_Comment: public DOM_CharacterData {public: /** @name Constructors and assignment operators */ //@{ /** * Default constructor for DOM_Comment. The resulting object does not * refer to an actual Comment node; it will compare == to 0, and is similar * to a null object reference variable in Java. It may subsequently be * assigned to refer to an actual comment node. * <p> * New comment nodes are created by DOM_Document::createComment(). * */ DOM_Comment(); /** * Copy constructor. Creates a new <code>DOM_Comment</code> that refers to the * same underlying node as the original. See also DOM_Node::clone(), * which will copy the actual Comment node, rather than just creating a new * reference to the original node. * * @param other The object to be copied. */ DOM_Comment(const DOM_Comment &other); /** * Assignment operator. * * @param other The object to be copied. */ DOM_Comment & operator = (const DOM_Comment &other); /** * Assignment operator. This overloaded variant is provided for * the sole purpose of setting a DOM_Node reference variable to * zero. Nulling out a reference variable in this way will decrement * the reference count on the underlying Node object that the variable * formerly referenced. This effect is normally obtained when reference * variable goes out of scope, but zeroing them can be useful for * global instances, or for local instances that will remain in scope * for an extended time, when the storage belonging to the underlying * node needs to be reclaimed. * * @param val Only a value of 0, or null, is allowed. */ DOM_Comment & operator = (const DOM_NullPtr *val); //@} /** @name Destructor. */ //@{ /** * Destructor for DOM_Comment. The object being destroyed is the reference * object, not the underlying Comment node itself. * */ ~DOM_Comment(); //@}protected: DOM_Comment(CommentImpl *comment); friend class DOM_Document;};XERCES_CPP_NAMESPACE_END#endif
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