| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * |
| * Copyright (c) 1999 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 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, 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.transformer; |
| |
| import org.apache.xalan.templates.Stylesheet; |
| |
| import org.apache.xml.dtm.DTM; |
| import org.apache.xml.dtm.DTMIterator; |
| import org.apache.xml.dtm.DTMFilter; |
| import org.apache.xml.utils.XMLString; |
| |
| import javax.xml.transform.TransformerException; |
| import org.xml.sax.Attributes; |
| |
| import org.apache.xpath.XPathContext; |
| import org.apache.xalan.res.XSLTErrorResources; |
| |
| /** |
| * <meta name="usage" content="internal"/> |
| * Class used to clone a node, possibly including its children to |
| * a result tree. |
| */ |
| public class ClonerToResultTree |
| { |
| |
| /** Result tree handler for the cloned tree */ |
| private ResultTreeHandler m_rth; |
| |
| /** Transformer instance to use for cloning */ |
| private TransformerImpl m_transformer; |
| |
| /** |
| * Constructor ClonerToResultTree |
| * |
| * |
| * @param transformer non-null transformer instance to use for the cloning |
| * @param rth non-null result tree handler for the cloned tree |
| */ |
| public ClonerToResultTree(TransformerImpl transformer, |
| ResultTreeHandler rth) |
| { |
| m_rth = rth; |
| m_transformer = transformer; |
| } |
| |
| // /** |
| // * Clone an element with or without children. |
| // * TODO: Fix or figure out node clone failure! |
| // * the error condition is severe enough to halt processing. |
| // * |
| // * @param node The node to clone |
| // * @param shouldCloneAttributes Flag indicating whether to |
| // * clone children attributes |
| // * |
| // * @throws TransformerException |
| // */ |
| // public void cloneToResultTree(int node, boolean shouldCloneAttributes) |
| // throws TransformerException |
| // { |
| // |
| // try |
| // { |
| // XPathContext xctxt = m_transformer.getXPathContext(); |
| // DTM dtm = xctxt.getDTM(node); |
| // |
| // int type = dtm.getNodeType(node); |
| // switch (type) |
| // { |
| // case DTM.TEXT_NODE : |
| // dtm.dispatchCharactersEvents(node, m_rth, false); |
| // break; |
| // case DTM.DOCUMENT_FRAGMENT_NODE : |
| // case DTM.DOCUMENT_NODE : |
| // |
| // // Can't clone a document, but refrain from throwing an error |
| // // so that copy-of will work |
| // break; |
| // case DTM.ELEMENT_NODE : |
| // { |
| // Attributes atts; |
| // |
| // if (shouldCloneAttributes) |
| // { |
| // m_rth.addAttributes(node); |
| // m_rth.processNSDecls(node, type, dtm); |
| // } |
| // |
| // String ns = dtm.getNamespaceURI(node); |
| // String localName = dtm.getLocalName(node); |
| // |
| // m_rth.startElement(ns, localName, dtm.getNodeNameX(node), null); |
| // } |
| // break; |
| // case DTM.CDATA_SECTION_NODE : |
| // m_rth.startCDATA(); |
| // dtm.dispatchCharactersEvents(node, m_rth, false); |
| // m_rth.endCDATA(); |
| // break; |
| // case DTM.ATTRIBUTE_NODE : |
| // m_rth.addAttribute(node); |
| // break; |
| // case DTM.COMMENT_NODE : |
| // XMLString xstr = dtm.getStringValue (node); |
| // xstr.dispatchAsComment(m_rth); |
| // break; |
| // case DTM.ENTITY_REFERENCE_NODE : |
| // m_rth.entityReference(dtm.getNodeNameX(node)); |
| // break; |
| // case DTM.PROCESSING_INSTRUCTION_NODE : |
| // { |
| // // %REVIEW% Is the node name the same as the "target"? |
| // m_rth.processingInstruction(dtm.getNodeNameX(node), |
| // dtm.getNodeValue(node)); |
| // } |
| // break; |
| // default : |
| // //"Can not create item in result tree: "+node.getNodeName()); |
| // m_transformer.getMsgMgr().error(null, |
| // XSLTErrorResources.ER_CANT_CREATE_ITEM, |
| // new Object[]{ dtm.getNodeName(node) }); |
| // } |
| // } |
| // catch(org.xml.sax.SAXException se) |
| // { |
| // throw new TransformerException(se); |
| // } |
| // } // end cloneToResultTree function |
| |
| /** |
| * Clone an element with or without children. |
| * TODO: Fix or figure out node clone failure! |
| * the error condition is severe enough to halt processing. |
| * |
| * @param node The node to clone |
| * @param shouldCloneAttributes Flag indicating whether to |
| * clone children attributes |
| * |
| * @throws TransformerException |
| */ |
| public static void cloneToResultTree(int node, int nodeType, DTM dtm, |
| ResultTreeHandler rth, |
| boolean shouldCloneAttributes) |
| throws TransformerException |
| { |
| |
| try |
| { |
| switch (nodeType) |
| { |
| case DTM.TEXT_NODE : |
| dtm.dispatchCharactersEvents(node, rth, false); |
| break; |
| case DTM.DOCUMENT_FRAGMENT_NODE : |
| case DTM.DOCUMENT_NODE : |
| // Can't clone a document, but refrain from throwing an error |
| // so that copy-of will work |
| break; |
| case DTM.ELEMENT_NODE : |
| { |
| // Note: SAX apparently expects "no namespace" to be |
| // represented as "" rather than null. |
| String ns = dtm.getNamespaceURI(node); |
| if (ns==null) ns=""; |
| String localName = dtm.getLocalName(node); |
| rth.startElement(ns, localName, dtm.getNodeNameX(node), null); |
| |
| // If outputting attrs as separate events, they must |
| // _follow_ the startElement event. (Think of the |
| // xsl:attribute directive.) |
| if (shouldCloneAttributes) |
| { |
| rth.addAttributes(node); |
| rth.processNSDecls(node, nodeType, dtm); |
| } |
| } |
| break; |
| case DTM.CDATA_SECTION_NODE : |
| rth.startCDATA(); |
| dtm.dispatchCharactersEvents(node, rth, false); |
| rth.endCDATA(); |
| break; |
| case DTM.ATTRIBUTE_NODE : |
| rth.addAttribute(node); |
| break; |
| case DTM.NAMESPACE_NODE: |
| // %REVIEW% Normally, these should have been handled with element. |
| // It's possible that someone may write a stylesheet that tries to |
| // clone them explicitly. If so, we need the equivalent of |
| // rth.addAttribute(). |
| rth.processNSDecls(node,DTM.NAMESPACE_NODE,dtm); |
| break; |
| case DTM.COMMENT_NODE : |
| XMLString xstr = dtm.getStringValue (node); |
| xstr.dispatchAsComment(rth); |
| break; |
| case DTM.ENTITY_REFERENCE_NODE : |
| rth.entityReference(dtm.getNodeNameX(node)); |
| break; |
| case DTM.PROCESSING_INSTRUCTION_NODE : |
| { |
| // %REVIEW% Is the node name the same as the "target"? |
| rth.processingInstruction(dtm.getNodeNameX(node), |
| dtm.getNodeValue(node)); |
| } |
| break; |
| default : |
| //"Can not create item in result tree: "+node.getNodeName()); |
| throw new TransformerException( |
| "Can't clone node: "+dtm.getNodeName(node)); |
| } |
| } |
| catch(org.xml.sax.SAXException se) |
| { |
| throw new TransformerException(se); |
| } |
| } // end cloneToResultTree function |
| } |