| /* |
| * 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: XalanTransformState.java 468645 2006-10-28 06:57:24Z minchau $ |
| */ |
| |
| package org.apache.xalan.transformer; |
| |
| import javax.xml.transform.Transformer; |
| |
| import org.apache.xalan.templates.ElemTemplate; |
| import org.apache.xalan.templates.ElemTemplateElement; |
| import org.apache.xml.dtm.DTM; |
| import org.apache.xml.dtm.DTMIterator; |
| import org.w3c.dom.Node; |
| import org.w3c.dom.traversal.NodeIterator; |
| |
| /** |
| * Before the serializer merge, the TransformState interface was |
| * implemented by ResultTreeHandler. |
| */ |
| public class XalanTransformState |
| implements TransformState { |
| |
| Node m_node = null; |
| ElemTemplateElement m_currentElement = null; |
| ElemTemplate m_currentTemplate = null; |
| ElemTemplate m_matchedTemplate = null; |
| int m_currentNodeHandle = DTM.NULL; |
| Node m_currentNode = null; |
| int m_matchedNode = DTM.NULL; |
| DTMIterator m_contextNodeList = null; |
| boolean m_elemPending = false; |
| TransformerImpl m_transformer = null; |
| |
| /** |
| * @see org.apache.xml.serializer.TransformStateSetter#setCurrentNode(Node) |
| */ |
| public void setCurrentNode(Node n) { |
| m_node = n; |
| } |
| |
| /** |
| * @see org.apache.xml.serializer.TransformStateSetter#resetState(Transformer) |
| */ |
| public void resetState(Transformer transformer) { |
| if ((transformer != null) && (transformer instanceof TransformerImpl)) { |
| m_transformer = (TransformerImpl)transformer; |
| m_currentElement = m_transformer.getCurrentElement(); |
| m_currentTemplate = m_transformer.getCurrentTemplate(); |
| m_matchedTemplate = m_transformer.getMatchedTemplate(); |
| int currentNodeHandle = m_transformer.getCurrentNode(); |
| DTM dtm = m_transformer.getXPathContext().getDTM(currentNodeHandle); |
| m_currentNode = dtm.getNode(currentNodeHandle); |
| m_matchedNode = m_transformer.getMatchedNode(); |
| m_contextNodeList = m_transformer.getContextNodeList(); |
| } |
| } |
| |
| /** |
| * @see org.apache.xalan.transformer.TransformState#getCurrentElement() |
| */ |
| public ElemTemplateElement getCurrentElement() { |
| if (m_elemPending) |
| return m_currentElement; |
| else |
| return m_transformer.getCurrentElement(); |
| } |
| |
| /** |
| * @see org.apache.xalan.transformer.TransformState#getCurrentNode() |
| */ |
| public Node getCurrentNode() { |
| if (m_currentNode != null) { |
| return m_currentNode; |
| } else { |
| DTM dtm = m_transformer.getXPathContext().getDTM(m_transformer.getCurrentNode()); |
| return dtm.getNode(m_transformer.getCurrentNode()); |
| } |
| } |
| |
| /** |
| * @see org.apache.xalan.transformer.TransformState#getCurrentTemplate() |
| */ |
| public ElemTemplate getCurrentTemplate() { |
| if (m_elemPending) |
| return m_currentTemplate; |
| else |
| return m_transformer.getCurrentTemplate(); |
| } |
| |
| /** |
| * @see org.apache.xalan.transformer.TransformState#getMatchedTemplate() |
| */ |
| public ElemTemplate getMatchedTemplate() { |
| if (m_elemPending) |
| return m_matchedTemplate; |
| else |
| return m_transformer.getMatchedTemplate(); |
| } |
| |
| /** |
| * @see org.apache.xalan.transformer.TransformState#getMatchedNode() |
| */ |
| public Node getMatchedNode() { |
| |
| if (m_elemPending) { |
| DTM dtm = m_transformer.getXPathContext().getDTM(m_matchedNode); |
| return dtm.getNode(m_matchedNode); |
| } else { |
| DTM dtm = m_transformer.getXPathContext().getDTM(m_transformer.getMatchedNode()); |
| return dtm.getNode(m_transformer.getMatchedNode()); |
| } |
| } |
| |
| /** |
| * @see org.apache.xalan.transformer.TransformState#getContextNodeList() |
| */ |
| public NodeIterator getContextNodeList() { |
| if (m_elemPending) { |
| return new org.apache.xml.dtm.ref.DTMNodeIterator(m_contextNodeList); |
| } else { |
| return new org.apache.xml.dtm.ref.DTMNodeIterator(m_transformer.getContextNodeList()); |
| } |
| } |
| /** |
| * @see org.apache.xalan.transformer.TransformState#getTransformer() |
| */ |
| public Transformer getTransformer() { |
| return m_transformer; |
| } |
| |
| } |