| /* CommentNode.java -- |
| Copyright (C) 2004 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed 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. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| package gnu.xml.transform; |
| |
| import javax.xml.namespace.QName; |
| import javax.xml.transform.TransformerException; |
| import org.w3c.dom.Comment; |
| import org.w3c.dom.Document; |
| import org.w3c.dom.DocumentFragment; |
| import org.w3c.dom.Node; |
| import gnu.xml.xpath.Expr; |
| |
| /** |
| * A template node representing the XSL <code>comment</code> instruction. |
| * |
| * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a> |
| */ |
| final class CommentNode |
| extends TemplateNode |
| { |
| |
| CommentNode(TemplateNode children, TemplateNode next) |
| { |
| super(children, next); |
| } |
| |
| TemplateNode clone(Stylesheet stylesheet) |
| { |
| return new CommentNode((children == null) ? null : |
| children.clone(stylesheet), |
| (next == null) ? null : |
| next.clone(stylesheet)); |
| } |
| |
| void doApply(Stylesheet stylesheet, QName mode, |
| Node context, int pos, int len, |
| Node parent, Node nextSibling) |
| throws TransformerException |
| { |
| String value = ""; |
| Document doc = (parent instanceof Document) ? (Document) parent : |
| parent.getOwnerDocument(); |
| if (children != null) |
| { |
| // Create a document fragment to hold the text |
| DocumentFragment fragment = doc.createDocumentFragment(); |
| // Apply children to the fragment |
| children.apply(stylesheet, mode, |
| context, pos, len, |
| fragment, null); |
| // Use XPath string-value of fragment |
| value = Expr.stringValue(fragment); |
| } |
| Comment comment = doc.createComment(value); |
| // Insert into result tree |
| if (nextSibling != null) |
| { |
| parent.insertBefore(comment, nextSibling); |
| } |
| else |
| { |
| parent.appendChild(comment); |
| } |
| if (next != null) |
| { |
| next.apply(stylesheet, mode, |
| context, pos, len, |
| parent, nextSibling); |
| } |
| } |
| |
| public String toString() |
| { |
| StringBuffer buf = new StringBuffer(getClass().getName()); |
| buf.append('['); |
| buf.append(']'); |
| return buf.toString(); |
| } |
| |
| } |