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Java > Open Source Codes > org > netbeans > modules > xml > xpath > visitor > XPathVisitor


1 /*
2  * The contents of this file are subject to the terms of the Common Development
3  * and Distribution License (the License). You may not use this file except in
4  * compliance with the License.
5  *
6  * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7  * or http://www.netbeans.org/cddl.txt.
8  *
9  * When distributing Covered Code, include this CDDL Header Notice in each file
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11  * If applicable, add the following below the CDDL Header, with the fields
12  * enclosed by brackets [] replaced by your own identifying information:
13  * "Portions Copyrighted [year] [name of copyright owner]"
14  *
15  * The Original Software is NetBeans. The Initial Developer of the Original
16  * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
17  * Microsystems, Inc. All Rights Reserved.
18  */
19
20 package org.netbeans.modules.xml.xpath.visitor;
21
22 import org.netbeans.modules.xml.xpath.LocationStep;
23 import org.netbeans.modules.xml.xpath.XPathCoreFunction;
24 import org.netbeans.modules.xml.xpath.XPathCoreOperation;
25 import org.netbeans.modules.xml.xpath.XPathExpressionPath;
26 import org.netbeans.modules.xml.xpath.XPathExtensionFunction;
27 import org.netbeans.modules.xml.xpath.XPathLocationPath;
28 import org.netbeans.modules.xml.xpath.XPathNumericLiteral;
29 import org.netbeans.modules.xml.xpath.XPathPredicateExpression;
30 import org.netbeans.modules.xml.xpath.XPathStringLiteral;
31 import org.netbeans.modules.xml.xpath.XPathVariableReference;
32
33 /**
34  * Visitor interface.
35  *
36  * @author sbyn
37  * @version $Revision: 1.4 $
38  */
39 public interface XPathVisitor {
40
41     /**
42      * Visits an location step.
43      * @param locationStep to visit
44      */
45     void visit(LocationStep locationStep);
46     
47     /**
48      * Visits a string literal.
49      * @param stringLiteral to visit
50      * @return must be false since string literals don't have children
51      */
52     void visit(XPathStringLiteral stringLiteral);
53     
54     
55     /**
56      * Visits a numeric literal.
57      * @param numericLiteral to visit
58      */
59     void visit(XPathNumericLiteral numericLiteral);
60     
61     
62     /**
63      * Visits a location path.
64      * @param locationPath to visit
65      */
66     void visit(XPathLocationPath locationPath);
67     
68     /**
69      * Visits a expression path.
70      * @param expressionPath to visit
71      */
72     void visit(XPathExpressionPath expressionPath);
73     
74     
75     /**
76      * Visits a core operation.
77      * @param coreOperation to visit
78      */
79     void visit(XPathCoreOperation coreOperation);
80     
81     
82     /**
83      * Visits a core function.
84      * @param coreFunction to visit
85      */
86     void visit(XPathCoreFunction coreFunction);
87     
88     
89     /**
90      * Visits an extension function.
91      * @param extensionFunction to visit
92      */
93     void visit(XPathExtensionFunction extensionFunction);
94     
95     /**
96      * Visits a Variable
97      * @param vReference
98      */
99     void visit(XPathVariableReference vReference);
100     
101     /**
102      * visit a predicate (predicates are inside [] in a location/expression path)
103      * @param predicate
104      */
105     void visit(XPathPredicateExpression predicate);
106     
107 }
108
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