DOM_CharacterData.hpp
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- /*
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 1999-2002 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) 1999, International
- * Business Machines, Inc., http://www.ibm.com . For more information
- * on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
- /*
- * $Id: DOM_CharacterData.hpp,v 1.3 2002/11/04 15:04:44 tng Exp $
- */
- #ifndef DOM_CharacterData_HEADER_GUARD_
- #define DOM_CharacterData_HEADER_GUARD_
- #include <xercesc/util/XercesDefs.hpp>
- #include "DOM_Node.hpp"
- XERCES_CPP_NAMESPACE_BEGIN
- class CharacterDataImpl;
- /**
- * The <code>DOM_CharacterData</code> interface extends Node with a set of
- * methods for accessing character data in the DOM.
- *
- * For clarity this set is defined here rather than on each class that uses
- * these methods. No DOM objects correspond directly to
- * <code>CharacterData</code>, though <code>Text</code> and others do inherit
- * the interface from it. All <code>offset</code>s in this interface start
- * from 0, and index in terms of Unicode 16 bit storage units.
- */
- class CDOM_EXPORT DOM_CharacterData: public DOM_Node {
- private:
- public:
- /** @name Constructors and assignment operator */
- //@{
- /**
- * Default constructor for DOM_CharacterData. While there can be
- * no actual DOM nodes of type CharacterData, the C++ objects
- * function more like reference variables, and instances of
- * <code>DOM_CharacterData</code> can exist. They will be null when created
- * by this constructor, and can then be assigned to refer to Text
- * or CDATASection nodes.
- */
- DOM_CharacterData();
- /**
- * Copy constructor
- *
- * @param other The object to be copied
- */
- DOM_CharacterData(const DOM_CharacterData &other);
- /**
- * Assignment operator
- *
- * @param other The object to be copied
- */
- DOM_CharacterData & operator = (const DOM_CharacterData &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_CharacterData & operator = (const DOM_NullPtr *val);
- //@}
- /** @name Destructor. */
- //@{
- /**
- * Destructor for DOM_CharacterData. The object being destroyed
- * is the reference to the Character Data node, not the character
- * data itself.
- */
- ~DOM_CharacterData();
- //@}
- /** @name Getter functions. */
- //@{
- /**
- * Returns the character data of the node that implements this interface.
- *
- * The DOM implementation may not put arbitrary limits on the amount of data that
- * may be stored in a <code>CharacterData</code> node. However,
- * implementation limits may mean that the entirety of a node's data may
- * not fit into a single <code>DOMString</code>. In such cases, the user
- * may call <code>substringData</code> to retrieve the data in
- * appropriately sized pieces.
- * @exception DOMException
- * NO_MODIFICATION_ALLOWED_ERR: Raised when the node is readonly.
- * @exception DOMException
- * DOMSTRING_SIZE_ERR: Raised when it would return more characters than
- * fit in a <code>DOMString</code> variable on the implementation
- * platform.
- */
- DOMString getData() const;
- /**
- * Returns the number of characters that are available through <code>data</code> and
- * the <code>substringData</code> method below.
- *
- * This may have the value
- * zero, i.e., <code>CharacterData</code> nodes may be empty.
- */
- unsigned int getLength() const;
- /**
- * Extracts a range of data from the node.
- *
- * @param offset Start offset of substring to extract.
- * @param count The number of characters to extract.
- * @return The specified substring. If the sum of <code>offset</code> and
- * <code>count</code> exceeds the <code>length</code>, then all
- * characters to the end of the data are returned.
- * @exception DOMException
- * INDEX_SIZE_ERR: Raised if the specified offset is negative or greater
- * than the number of characters in <code>data</code>, or if the
- * specified <code>count</code> is negative.
- * <br>DOMSTRING_SIZE_ERR: Raised if the specified range of text does not
- * fit into a <code>DOMString</code>.
- */
- DOMString substringData(unsigned int offset,
- unsigned int count) const;
- //@}
- /** @name Functions that set or change data. */
- //@{
- /**
- * Append the string to the end of the character data of the node.
- *
- * Upon success, <code>data</code> provides access to the concatenation of
- * <code>data</code> and the <code>DOMString</code> specified.
- * @param arg The <code>DOMString</code> to append.
- * @exception DOMException
- * NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
- */
- void appendData(const DOMString &arg);
- /**
- * Insert a string at the specified character offset.
- *
- * @param offset The character offset at which to insert.
- * @param arg The <code>DOMString</code> to insert.
- * @exception DOMException
- * INDEX_SIZE_ERR: Raised if the specified offset is negative or greater
- * than the number of characters in <code>data</code>.
- * <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
- */
- void insertData(unsigned int offset, const DOMString &arg);
- /**
- * Remove a range of characters from the node.
- *
- * Upon success,
- * <code>data</code> and <code>length</code> reflect the change.
- * @param offset The offset from which to remove characters.
- * @param count The number of characters to delete. If the sum of
- * <code>offset</code> and <code>count</code> exceeds <code>length</code>
- * then all characters from <code>offset</code> to the end of the data
- * are deleted.
- * @exception DOMException
- * INDEX_SIZE_ERR: Raised if the specified offset is negative or greater
- * than the number of characters in <code>data</code>, or if the
- * specified <code>count</code> is negative.
- * <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
- */
- void deleteData(unsigned int offset,
- unsigned int count);
- /**
- * Replace the characters starting at the specified character offset with
- * the specified string.
- *
- * @param offset The offset from which to start replacing.
- * @param count The number of characters to replace. If the sum of
- * <code>offset</code> and <code>count</code> exceeds <code>length</code>
- * , then all characters to the end of the data are replaced (i.e., the
- * effect is the same as a <code>remove</code> method call with the same
- * range, followed by an <code>append</code> method invocation).
- * @param arg The <code>DOMString</code> with which the range must be
- * replaced.
- * @exception DOMException
- * INDEX_SIZE_ERR: Raised if the specified offset is negative or greater
- * than the number of characters in <code>data</code>, or if the
- * specified <code>count</code> is negative.
- * <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
- */
- void replaceData(unsigned int offset,
- unsigned int count,
- const DOMString &arg);
- /**
- * Sets the character data of the node that implements this interface.
- *
- * @param data The <code>DOMString</code> to set.
- */
- void setData(const DOMString &data);
- //@}
- protected:
- DOM_CharacterData(CharacterDataImpl *impl);
- };
- XERCES_CPP_NAMESPACE_END
- #endif