| /* |
| * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
| */ |
| /* |
| * 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: DOMWSFilter.java,v 1.2.4.1 2005/09/06 06:14:31 pvedula Exp $ |
| */ |
| package com.sun.org.apache.xalan.internal.xsltc.dom; |
| |
| import com.sun.org.apache.xalan.internal.xsltc.DOM; |
| import com.sun.org.apache.xalan.internal.xsltc.DOMEnhancedForDTM; |
| import com.sun.org.apache.xalan.internal.xsltc.StripFilter; |
| import com.sun.org.apache.xalan.internal.xsltc.runtime.AbstractTranslet; |
| import com.sun.org.apache.xml.internal.dtm.DTM; |
| import com.sun.org.apache.xml.internal.dtm.DTMWSFilter; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| /** |
| * A wrapper class that adapts the |
| * {@link com.sun.org.apache.xml.internal.dtm.DTMWSFilter DTMWSFilter} interface to the XSLTC |
| * DOM {@link com.sun.org.apache.xalan.internal.xsltc.StripFilter StripFilter} interface. |
| */ |
| public class DOMWSFilter implements DTMWSFilter { |
| |
| private AbstractTranslet m_translet; |
| private StripFilter m_filter; |
| |
| // The Map for DTM to mapping array |
| private Map<DTM, short[]> m_mappings; |
| |
| // Cache the DTM and mapping that are used last time |
| private DTM m_currentDTM; |
| private short[] m_currentMapping; |
| |
| /** |
| * Construct an adapter connecting the <code>DTMWSFilter</code> interface |
| * to the <code>StripFilter</code> interface. |
| * |
| * @param translet A translet that also implements the StripFilter |
| * interface. |
| * |
| * @see com.sun.org.apache.xml.internal.dtm.DTMWSFilter |
| * @see com.sun.org.apache.xalan.internal.xsltc.StripFilter |
| */ |
| public DOMWSFilter(AbstractTranslet translet) { |
| m_translet = translet; |
| m_mappings = new HashMap<>(); |
| |
| if (translet instanceof StripFilter) { |
| m_filter = (StripFilter) translet; |
| } |
| } |
| |
| /** |
| * Test whether whitespace-only text nodes are visible in the logical |
| * view of <code>DTM</code>. Normally, this function |
| * will be called by the implementation of <code>DTM</code>; |
| * it is not normally called directly from |
| * user code. |
| * |
| * @param node int handle of the node. |
| * @param dtm the DTM that owns this node |
| * @return one of <code>NOTSTRIP</code>, <code>STRIP</code> or |
| * <code>INHERIT</code>. |
| */ |
| public short getShouldStripSpace(int node, DTM dtm) { |
| if (m_filter != null && dtm instanceof DOM) { |
| DOM dom = (DOM)dtm; |
| int type = 0; |
| |
| if (dtm instanceof DOMEnhancedForDTM) { |
| DOMEnhancedForDTM mappableDOM = (DOMEnhancedForDTM)dtm; |
| |
| short[] mapping; |
| if (dtm == m_currentDTM) { |
| mapping = m_currentMapping; |
| } |
| else { |
| mapping = m_mappings.get(dtm); |
| if (mapping == null) { |
| mapping = mappableDOM.getMapping( |
| m_translet.getNamesArray(), |
| m_translet.getUrisArray(), |
| m_translet.getTypesArray()); |
| m_mappings.put(dtm, mapping); |
| m_currentDTM = dtm; |
| m_currentMapping = mapping; |
| } |
| } |
| |
| int expType = mappableDOM.getExpandedTypeID(node); |
| |
| // %OPT% The mapping array does not have information about all the |
| // exptypes. However it does contain enough information about all names |
| // in the translet's namesArray. If the expType does not fall into the |
| // range of the mapping array, it means that the expType is not for one |
| // of the recognized names. In this case we can just set the type to -1. |
| if (expType >= 0 && expType < mapping.length) |
| type = mapping[expType]; |
| else |
| type = -1; |
| |
| } |
| else { |
| return INHERIT; |
| } |
| |
| if (m_filter.stripSpace(dom, node, type)) { |
| return STRIP; |
| } else { |
| return NOTSTRIP; |
| } |
| } else { |
| return NOTSTRIP; |
| } |
| } |
| } |