01: /*
02: * Copyright 1999-2004 The Apache Software Foundation.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16: /*
17: * $Id: SubContextList.java,v 1.9 2004/02/17 04:32:08 minchau Exp $
18: */
19: package org.apache.xpath.axes;
20:
21: import org.apache.xpath.XPathContext;
22:
23: /**
24: * A class that implements this interface is a sub context node list, meaning it
25: * is a node list for a location path step for a predicate.
26: * @xsl.usage advanced
27: */
28: public interface SubContextList {
29:
30: /**
31: * Get the number of nodes in the node list, which, in the XSLT 1 based
32: * counting system, is the last index position.
33: *
34: *
35: * @param xctxt The XPath runtime context.
36: *
37: * @return the number of nodes in the node list.
38: */
39: public int getLastPos(XPathContext xctxt);
40:
41: /**
42: * Get the current sub-context position.
43: *
44: * @param xctxt The XPath runtime context.
45: *
46: * @return The position of the current node in the list.
47: */
48: public int getProximityPosition(XPathContext xctxt);
49: }
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