1 /*
2  * reserved comment block
3  * DO NOT REMOVE OR ALTER!
4  */
5 /*
6  * Licensed to the Apache Software Foundation (ASF) under one or more
7  * contributor license agreements.  See the NOTICE file distributed with
8  * this work for additional information regarding copyright ownership.
9  * The ASF licenses this file to You under the Apache License, Version 2.0
10  * (the "License"); you may not use this file except in compliance with
11  * the License.  You may obtain a copy of the License at
12  *
13  *      http://www.apache.org/licenses/LICENSE-2.0
14  *
15  * Unless required by applicable law or agreed to in writing, software
16  * distributed under the License is distributed on an "AS IS" BASIS,
17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18  * See the License for the specific language governing permissions and
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20  */
21 
22 package com.sun.org.apache.xpath.internal.axes;
23 
24 import com.sun.org.apache.xpath.internal.XPathContext;
25 
26 /**
27  * A class that implements this interface is a sub context node list, meaning it
28  * is a node list for a location path step for a predicate.
29  * @xsl.usage advanced
30  */
31 public interface SubContextList
32 {
33 
34   /**
35    * Get the number of nodes in the node list, which, in the XSLT 1 based
36    * counting system, is the last index position.
37    *
38    *
39    * @param xctxt The XPath runtime context.
40    *
41    * @return the number of nodes in the node list.
42    */
getLastPos(XPathContext xctxt)43   public int getLastPos(XPathContext xctxt);
44 
45   /**
46    * Get the current sub-context position.
47    *
48    * @param xctxt The XPath runtime context.
49    *
50    * @return The position of the current node in the list.
51    */
getProximityPosition(XPathContext xctxt)52   public int getProximityPosition(XPathContext xctxt);
53 }
54