curcuru 00/07/19 07:30:37
Added: src/org/apache/xalan/xslt/extensions Nodeset.java Log: New Xalan extension: nodeset() function PR:DMAN4M6N29 Submitted by:<[EMAIL PROTECTED]>, also similar to <[EMAIL PROTECTED]> Revision Changes Path 1.1 xml-xalan/src/org/apache/xalan/xslt/extensions/Nodeset.java Index: Nodeset.java =================================================================== /* * 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 "Xalan" 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 [EMAIL PROTECTED] * * 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, Lotus * Development Corporation., http://www.lotus.com. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. */ package org.apache.xalan.xslt.extensions; import org.w3c.dom.*; import org.apache.xalan.xslt.ResultTreeFrag; import org.apache.xalan.xpath.MutableNodeListImpl; /** * <meta name="usage" content="general"/> * This class is an extension implementing implements the node-set * function found in xt and saxon as a Xalan extension. * The inner class "fools" Xalan into thinking that a result tree * fragment is actually a Document root. * PR:DMAN4M6N29 Submitted by:<[EMAIL PROTECTED]> */ public class Nodeset { private static class RootNode implements DocumentFragment { private DocumentFragment actualFrag; private RootNode(DocumentFragment actualFragP) { this.actualFrag = actualFragP; } public Node appendChild(Node newChild) throws DOMException { return this.actualFrag.appendChild(newChild); } public Node cloneNode(boolean deep) { return this.actualFrag.cloneNode(deep); } public NamedNodeMap getAttributes() { return this.actualFrag.getAttributes(); } public NodeList getChildNodes() { return this.actualFrag.getChildNodes(); } public Node getFirstChild() { return this.actualFrag.getFirstChild(); } public Node getLastChild() { return this.actualFrag.getLastChild(); } public String getLocalName() { return this.actualFrag.getLocalName(); } public String getNamespaceURI() { return this.actualFrag.getNamespaceURI(); } public Node getNextSibling() { return this.actualFrag.getNextSibling(); } public String getNodeName() { return "#document"; } public short getNodeType() { return Node.DOCUMENT_NODE; } public String getNodeValue() throws DOMException { return null; } public Document getOwnerDocument() { return null; } public Node getParentNode() { return this.actualFrag.getParentNode(); } public String getPrefix() { return this.actualFrag.getPrefix(); } public Node getPreviousSibling() { return this.actualFrag.getPreviousSibling(); } public boolean hasChildNodes() { return this.actualFrag.hasChildNodes(); } public Node insertBefore(Node newChild, Node refChild) throws DOMException { return this.actualFrag.insertBefore(newChild, refChild); } public void normalize() { this.actualFrag.normalize(); } public Node removeChild(Node oldChild) throws DOMException { return this.actualFrag.removeChild(oldChild); } public Node replaceChild(Node newChild, Node oldChild) throws DOMException { return this.actualFrag.replaceChild(newChild, oldChild); } public void setNodeValue(String nodeValue) throws DOMException { this.actualFrag.setNodeValue(nodeValue); } public void setPrefix(String prefix) throws DOMException { this.actualFrag.setPrefix(prefix); } public boolean supports(String feature, String version) { return this.actualFrag.supports(feature, version); } } public NodeList nodeset(Node rtf) { DocumentFragment cloneFrag; DocumentFragment retFrag; NodeList fragElementList; int i; if (rtf instanceof DocumentFragment) { cloneFrag = (DocumentFragment) rtf.cloneNode(true); fragElementList = cloneFrag.getChildNodes(); retFrag = cloneFrag.getOwnerDocument().createDocumentFragment(); // Note that retFrag.appendChild(cloneFrag) doesn't work because // cloneFrag is actually a ResultTreeFrag which doesn't properly implement // getNextSibling() in its children. for (i = 0; i < fragElementList.getLength(); i++) retFrag.appendChild(fragElementList.item(i)); } else { retFrag = rtf.getOwnerDocument().createDocumentFragment(); retFrag.appendChild(rtf.cloneNode(true)); } return new MutableNodeListImpl(new RootNode(retFrag)); } }
