1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 /* 19 * $Id: SubContextList.java 468655 2006-10-28 07:12:06Z minchau $ 20 */ 21 package org.apache.xpath.axes; 22 23 import org.apache.xpath.XPathContext; 24 25 /** 26 * A class that implements this interface is a sub context node list, meaning it 27 * is a node list for a location path step for a predicate. 28 * @xsl.usage advanced 29 */ 30 public interface SubContextList 31 { 32 33 /** 34 * Get the number of nodes in the node list, which, in the XSLT 1 based 35 * counting system, is the last index position. 36 * 37 * 38 * @param xctxt The XPath runtime context. 39 * 40 * @return the number of nodes in the node list. 41 */ getLastPos(XPathContext xctxt)42 public int getLastPos(XPathContext xctxt); 43 44 /** 45 * Get the current sub-context position. 46 * 47 * @param xctxt The XPath runtime context. 48 * 49 * @return The position of the current node in the list. 50 */ getProximityPosition(XPathContext xctxt)51 public int getProximityPosition(XPathContext xctxt); 52 } 53