--- /dev/null
+/*
+ * Copyright (c) 2004 World Wide Web Consortium,
+ *
+ * (Massachusetts Institute of Technology, European Research Consortium for
+ * Informatics and Mathematics, Keio University). All Rights Reserved. This
+ * work is distributed under the W3C(r) Software License [1] in the hope that
+ * it will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * [1] http://www.w3.org/Consortium/Legal/2002/copyright-software-20021231
+ */
+
+package org.w3c.dom;
+
+/**
+ * The <code>CharacterData</code> interface extends Node with a set of
+ * attributes and methods for accessing character data in the DOM. For
+ * clarity this set is defined here rather than on each object that uses
+ * these attributes and methods. No DOM objects correspond directly to
+ * <code>CharacterData</code>, though <code>Text</code> and others do
+ * inherit the interface from it. All <code>offsets</code> in this interface
+ * start from <code>0</code>.
+ * <p>As explained in the <code>DOMString</code> interface, text strings in
+ * the DOM are represented in UTF-16, i.e. as a sequence of 16-bit units. In
+ * the following, the term 16-bit units is used whenever necessary to
+ * indicate that indexing on CharacterData is done in 16-bit units.
+ * <p>See also the <a href='http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407'>Document Object Model (DOM) Level 3 Core Specification</a>.
+ */
+public interface CharacterData extends Node {
+ /**
+ * 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
+ * DOMSTRING_SIZE_ERR: Raised when it would return more characters than
+ * fit in a <code>DOMString</code> variable on the implementation
+ * platform.
+ */
+ public String getData()
+ throws DOMException;
+ /**
+ * 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.
+ */
+ public void setData(String data)
+ throws DOMException;
+
+ /**
+ * The number of 16-bit units 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.
+ */
+ public int getLength();
+
+ /**
+ * Extracts a range of data from the node.
+ * @param offset Start offset of substring to extract.
+ * @param count The number of 16-bit units to extract.
+ * @return The specified substring. If the sum of <code>offset</code> and
+ * <code>count</code> exceeds the <code>length</code>, then all 16-bit
+ * units to the end of the data are returned.
+ * @exception DOMException
+ * INDEX_SIZE_ERR: Raised if the specified <code>offset</code> is
+ * negative or greater than the number of 16-bit units 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>.
+ */
+ public String substringData(int offset,
+ int count)
+ throws DOMException;
+
+ /**
+ * 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.
+ */
+ public void appendData(String arg)
+ throws DOMException;
+
+ /**
+ * Insert a string at the specified 16-bit unit 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 <code>offset</code> is
+ * negative or greater than the number of 16-bit units in
+ * <code>data</code>.
+ * <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
+ */
+ public void insertData(int offset,
+ String arg)
+ throws DOMException;
+
+ /**
+ * Remove a range of 16-bit units from the node. Upon success,
+ * <code>data</code> and <code>length</code> reflect the change.
+ * @param offset The offset from which to start removing.
+ * @param count The number of 16-bit units to delete. If the sum of
+ * <code>offset</code> and <code>count</code> exceeds
+ * <code>length</code> then all 16-bit units from <code>offset</code>
+ * to the end of the data are deleted.
+ * @exception DOMException
+ * INDEX_SIZE_ERR: Raised if the specified <code>offset</code> is
+ * negative or greater than the number of 16-bit units in
+ * <code>data</code>, or if the specified <code>count</code> is
+ * negative.
+ * <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
+ */
+ public void deleteData(int offset,
+ int count)
+ throws DOMException;
+
+ /**
+ * Replace the characters starting at the specified 16-bit unit offset
+ * with the specified string.
+ * @param offset The offset from which to start replacing.
+ * @param count The number of 16-bit units to replace. If the sum of
+ * <code>offset</code> and <code>count</code> exceeds
+ * <code>length</code>, then all 16-bit units 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 <code>offset</code> is
+ * negative or greater than the number of 16-bit units in
+ * <code>data</code>, or if the specified <code>count</code> is
+ * negative.
+ * <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
+ */
+ public void replaceData(int offset,
+ int count,
+ String arg)
+ throws DOMException;
+
+}
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