- /*
- * $Id: CommentNode.java,v 1.2 2001/07/26 22:32:04 edwingo Exp $
- *
- * The Apache Software License, Version 1.1
- *
- *
- * Copyright (c) 2000 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 "Crimson" 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, Sun Microsystems, Inc.,
- * http://www.sun.com. For more information on the Apache Software
- * Foundation, please see <http://www.apache.org/>.
- */
-
- package org.apache.crimson.tree;
-
-
- import java.io.Writer;
- import java.io.IOException;
-
- import org.w3c.dom.*;
-
-
- /**
- * Class representing an XML Comment.
- *
- * @author David Brownell
- * @version $Revision: 1.2 $
- */
- public class CommentNode extends DataNode implements Comment
- {
- /** Constructs a comment node. */
- public CommentNode () { }
-
- /** Constructs a comment node. */
- public CommentNode (String data)
- {
- super (data);
- }
-
- CommentNode (char buf [], int offset, int len)
- { super (buf, offset, len); }
-
- /** DOM: Returns the COMMENT_NODE node type. */
- public short getNodeType () { return COMMENT_NODE; }
-
-
- /**
- * Writes out the comment. Note that spaces may be added to
- * prevent illegal comments: between consecutive dashes ("--")
- * or if the last character of the comment is a dash.
- */
- public void writeXml (XmlWriteContext context) throws IOException
- {
- Writer out = context.getWriter ();
- out.write ("<!--");
- if (data != null) {
- boolean sawDash = false;
- int length = data.length;
-
- // "--" illegal in comments, expand it
- for (int i = 0; i < length; i++) {
- if (data [i] == '-') {
- if (sawDash)
- out.write (' ');
- else {
- sawDash = true;
- out.write ('-');
- continue;
- }
- }
- sawDash = false;
- out.write (data [i]);
- }
- if (data [data.length - 1] == '-')
- out.write (' ');
- }
- out.write ("-->");
- }
-
- /** Returns a new comment with the same content as this. */
- public Node cloneNode (boolean deep) {
- CommentNode retval = new CommentNode (data, 0, data.length);
- retval.setOwnerDocument ((XmlDocument) this.getOwnerDocument ());
- return retval;
- }
-
- /** Returns the string "#comment". */
- public String getNodeName () { return "#comment"; }
- }