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Diffstat (limited to 'libjava/gnu/xml/transform/CommentNode.java')
-rw-r--r-- | libjava/gnu/xml/transform/CommentNode.java | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/libjava/gnu/xml/transform/CommentNode.java b/libjava/gnu/xml/transform/CommentNode.java new file mode 100644 index 00000000000..99870cd5948 --- /dev/null +++ b/libjava/gnu/xml/transform/CommentNode.java @@ -0,0 +1,115 @@ +/* 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(); + } + +} |