/*
 * Copyright (c) 2017, 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
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package com.sun.org.apache.xpath.internal.functions;

import com.sun.org.apache.xalan.internal.res.XSLMessages;
import com.sun.org.apache.xalan.internal.res.XSLTErrorResources;
import com.sun.org.apache.xml.internal.dtm.DTM;
import com.sun.org.apache.xml.internal.utils.QName;
import com.sun.org.apache.xpath.internal.XPathContext;
import com.sun.org.apache.xpath.internal.axes.LocPathIterator;
import com.sun.org.apache.xpath.internal.axes.PredicatedNodeTest;
import com.sun.org.apache.xpath.internal.axes.SubContextList;
import com.sun.org.apache.xpath.internal.objects.XNodeSet;
import com.sun.org.apache.xpath.internal.objects.XObject;
import com.sun.org.apache.xpath.internal.patterns.StepPattern;
import java.util.List;


Execute the current() function.
@xsl.usageadvanced
@LastModified: Oct 2017
/** * Execute the current() function. * @xsl.usage advanced * @LastModified: Oct 2017 */
public class FuncCurrent extends Function { static final long serialVersionUID = 5715316804877715008L;
Execute the function. The function must return a valid object.
Params:
  • xctxt – The current execution context.
Throws:
Returns:A valid XObject.
/** * Execute the function. The function must return * a valid object. * @param xctxt The current execution context. * @return A valid XObject. * * @throws javax.xml.transform.TransformerException */
public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException { SubContextList subContextList = xctxt.getCurrentNodeList(); int currentNode = DTM.NULL; if (null != subContextList) { if (subContextList instanceof PredicatedNodeTest) { LocPathIterator iter = ((PredicatedNodeTest)subContextList) .getLocPathIterator(); currentNode = iter.getCurrentContextNode(); } else if(subContextList instanceof StepPattern) { throw new RuntimeException(XSLMessages.createMessage( XSLTErrorResources.ER_PROCESSOR_ERROR,null)); } } else { // not predicate => ContextNode == CurrentNode currentNode = xctxt.getContextNode(); } return new XNodeSet(currentNode, xctxt.getDTMManager()); }
No arguments to process, so this does nothing.
/** * No arguments to process, so this does nothing. */
public void fixupVariables(List<QName> vars, int globalsSize) { // no-op } }