| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| /* |
| * $Id: ClonerToResultTree.java 468645 2006-10-28 06:57:24Z minchau $ |
| */ |
| package org.apache.xalan.transformer; |
| |
| import javax.xml.transform.TransformerException; |
| |
| import org.apache.xalan.serialize.SerializerUtils; |
| import org.apache.xml.dtm.DTM; |
| import org.apache.xml.serializer.SerializationHandler; |
| import org.apache.xml.utils.XMLString; |
| |
| /** |
| * Class used to clone a node, possibly including its children to |
| * a result tree. |
| * @xsl.usage internal |
| */ |
| public class ClonerToResultTree |
| { |
| |
| // /** |
| // * 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, |
| SerializationHandler 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); |
| // don't call a real SAX startElement (as commented out above), |
| // call a SAX-like startElement, to be able to add attributes after this call |
| rth.startElement(ns, localName, dtm.getNodeNameX(node)); |
| |
| // If outputting attrs as separate events, they must |
| // _follow_ the startElement event. (Think of the |
| // xsl:attribute directive.) |
| if (shouldCloneAttributes) |
| { |
| SerializerUtils.addAttributes(rth, node); |
| SerializerUtils.processNSDecls(rth, node, nodeType, dtm); |
| } |
| } |
| break; |
| case DTM.CDATA_SECTION_NODE : |
| rth.startCDATA(); |
| dtm.dispatchCharactersEvents(node, rth, false); |
| rth.endCDATA(); |
| break; |
| case DTM.ATTRIBUTE_NODE : |
| SerializerUtils.addAttribute(rth, 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(). |
| SerializerUtils.processNSDecls(rth,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 |
| } |
