Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
Operator |
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| 0.0;0 |
1 | /* | |
2 | * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/saxpath/Operator.java,v 1.5 2006/02/05 21:47:42 elharo Exp $ | |
3 | * $Revision: 1.5 $ | |
4 | * $Date: 2006/02/05 21:47:42 $ | |
5 | * | |
6 | * ==================================================================== | |
7 | * | |
8 | * Copyright 2000-2002 bob mcwhirter & James Strachan. | |
9 | * All rights reserved. | |
10 | * | |
11 | * | |
12 | * Redistribution and use in source and binary forms, with or without | |
13 | * modification, are permitted provided that the following conditions are | |
14 | * met: | |
15 | * | |
16 | * * Redistributions of source code must retain the above copyright | |
17 | * notice, this list of conditions and the following disclaimer. | |
18 | * | |
19 | * * Redistributions in binary form must reproduce the above copyright | |
20 | * notice, this list of conditions and the following disclaimer in the | |
21 | * documentation and/or other materials provided with the distribution. | |
22 | * | |
23 | * * Neither the name of the Jaxen Project nor the names of its | |
24 | * contributors may be used to endorse or promote products derived | |
25 | * from this software without specific prior written permission. | |
26 | * | |
27 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS | |
28 | * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED | |
29 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A | |
30 | * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER | |
31 | * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
32 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
33 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
34 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
35 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
36 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
37 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
38 | * | |
39 | * ==================================================================== | |
40 | * This software consists of voluntary contributions made by many | |
41 | * individuals on behalf of the Jaxen Project and was originally | |
42 | * created by bob mcwhirter <bob@werken.com> and | |
43 | * James Strachan <jstrachan@apache.org>. For more information on the | |
44 | * Jaxen Project, please see <http://www.jaxen.org/>. | |
45 | * | |
46 | * $Id: Operator.java,v 1.5 2006/02/05 21:47:42 elharo Exp $ | |
47 | */ | |
48 | ||
49 | package org.jaxen.saxpath; | |
50 | ||
51 | /** | |
52 | * Constants used to represent XPath operators. | |
53 | */ | |
54 | public interface Operator | |
55 | { | |
56 | /** | |
57 | * Indicates that we're passing through a grammar production without | |
58 | * actually activating it. For example in the expression | |
59 | * <code>1</code> is matches AdditiveExpr and MultiplicativeExpr in | |
60 | * the XPath grammar, even though it has neither a plus, | |
61 | * minus, multiplication, or other sign. | |
62 | */ | |
63 | final static int NO_OP = 0; | |
64 | ||
65 | // Equality | |
66 | /** | |
67 | * The equal to operator <code>=</code>. This is equivalent to <code>==</code> | |
68 | * in Java. This is a comparison operator, not an assignment operator. | |
69 | */ | |
70 | final static int EQUALS = 1; | |
71 | ||
72 | /** | |
73 | * The not equal to operator <code>!=</code> | |
74 | */ | |
75 | final static int NOT_EQUALS = 2; | |
76 | ||
77 | // Relational | |
78 | /** | |
79 | * The less-than operator <code><</code> | |
80 | */ | |
81 | final static int LESS_THAN = 3; | |
82 | ||
83 | /** | |
84 | * The less-than-or-equal-to operator <code><=</code> | |
85 | */ | |
86 | final static int LESS_THAN_EQUALS = 4; | |
87 | ||
88 | /** | |
89 | * The greater-than operator <code>></code> | |
90 | */ | |
91 | final static int GREATER_THAN = 5; | |
92 | ||
93 | /** | |
94 | * The greater-than or equals operator <code>>=</code> | |
95 | */ | |
96 | final static int GREATER_THAN_EQUALS = 6; | |
97 | ||
98 | // Additive | |
99 | ||
100 | /** | |
101 | * The addition operator <code>+</code> | |
102 | */ | |
103 | final static int ADD = 7; | |
104 | ||
105 | /** | |
106 | * The subtraction operator <code>-</code> | |
107 | */ | |
108 | final static int SUBTRACT = 8; | |
109 | ||
110 | // Multiplicative | |
111 | ||
112 | /** | |
113 | * The multiplication operator <code>*</code> | |
114 | */ | |
115 | final static int MULTIPLY = 9; | |
116 | ||
117 | /** | |
118 | * The remainder operator <code>mod</code>. This is equivalent to | |
119 | * <code>%</code> in Java. | |
120 | */ | |
121 | final static int MOD = 10; | |
122 | ||
123 | /** | |
124 | * The floating point division operator <code>div</code>. This is equivalent to | |
125 | * <code>/</code> in Java. | |
126 | */ | |
127 | final static int DIV = 11; | |
128 | ||
129 | // Unary | |
130 | ||
131 | /** | |
132 | * Unary <code>-</code> | |
133 | */ | |
134 | final static int NEGATIVE = 12; | |
135 | } |