| /* |
| * $Id$ |
| * |
| * 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.xerces.tree; |
| |
| |
| import java.io.Writer; |
| import java.io.IOException; |
| |
| import org.w3c.dom.*; |
| |
| |
| /** |
| * Class representing an XML Comment. |
| * |
| * @author David Brownell |
| * @version $Revision$ |
| */ |
| // 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"; } |
| } |