Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||||
Operator |
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| 0.0;0 |
1 | /* |
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2 | * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/saxpath/Operator.java,v 1.4 2005/06/28 13:44:46 elharo Exp $ |
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3 | * $Revision: 1.4 $ |
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4 | * $Date: 2005/06/28 13:44:46 $ |
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5 | * |
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6 | * ==================================================================== |
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7 | * |
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8 | * Copyright (C) 2000-2002 bob mcwhirter & James Strachan. |
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9 | * All rights reserved. |
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10 | * |
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11 | * Redistribution and use in source and binary forms, with or without |
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12 | * modification, are permitted provided that the following conditions |
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13 | * are met: |
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14 | * |
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15 | * 1. Redistributions of source code must retain the above copyright |
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16 | * notice, this list of conditions, and the following disclaimer. |
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17 | * |
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18 | * 2. Redistributions in binary form must reproduce the above copyright |
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19 | * notice, this list of conditions, and the disclaimer that follows |
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20 | * these conditions in the documentation and/or other materials |
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21 | * provided with the distribution. |
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22 | * |
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23 | * 3. The name "Jaxen" must not be used to endorse or promote products |
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24 | * derived from this software without prior written permission. For |
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25 | * written permission, please contact license@jaxen.org. |
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26 | * |
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27 | * 4. Products derived from this software may not be called "Jaxen", nor |
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28 | * may "Jaxen" appear in their name, without prior written permission |
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29 | * from the Jaxen Project Management (pm@jaxen.org). |
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30 | * |
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31 | * In addition, we request (but do not require) that you include in the |
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32 | * end-user documentation provided with the redistribution and/or in the |
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33 | * software itself an acknowledgement equivalent to the following: |
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34 | * "This product includes software developed by the |
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35 | * Jaxen Project <http://www.jaxen.org/>." |
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36 | * Alternatively, the acknowledgment may be graphical using the logos |
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37 | * available at http://www.jaxen.org/ |
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38 | * |
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39 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
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40 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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41 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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42 | * DISCLAIMED. IN NO EVENT SHALL THE Jaxen AUTHORS OR THE PROJECT |
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43 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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44 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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45 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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46 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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47 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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48 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
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49 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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50 | * SUCH DAMAGE. |
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51 | * |
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52 | * ==================================================================== |
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53 | * This software consists of voluntary contributions made by many |
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54 | * individuals on behalf of the Jaxen Project and was originally |
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55 | * created by bob mcwhirter <bob@werken.com> and |
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56 | * James Strachan <jstrachan@apache.org>. For more information on the |
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57 | * Jaxen Project, please see <http://www.jaxen.org/>. |
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58 | * |
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59 | * $Id: Operator.java,v 1.4 2005/06/28 13:44:46 elharo Exp $ |
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60 | */ |
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61 | ||
62 | package org.jaxen.saxpath; |
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63 | ||
64 | /** |
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65 | * Constants used to represent XPath operators. |
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66 | */ |
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67 | public interface Operator |
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68 | { |
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69 | /** |
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70 | * Indicates that we're passing through a grammar production without |
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71 | * actually activating it. For example in the expression |
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72 | * <code>1</code> is matches AdditiveExpr and MultiplicativeExpr in |
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73 | * the XPath grammar, even though it has neither a plus, |
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74 | * minus, multiplication, or other sign. |
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75 | */ |
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76 | final static int NO_OP = 0; |
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77 | ||
78 | // Equality |
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79 | /** |
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80 | * The equal to operator <code>=</code>. This is equivalent to <code>==</code> |
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81 | * in Java. This is a comparison operator, not an assignment operator. |
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82 | */ |
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83 | final static int EQUALS = 1; |
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84 | ||
85 | /** |
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86 | * The not equal to operator <code>!=</code> |
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87 | */ |
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88 | final static int NOT_EQUALS = 2; |
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89 | ||
90 | // Relational |
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91 | /** |
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92 | * The less-than operator <code><</code> |
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93 | */ |
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94 | final static int LESS_THAN = 3; |
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95 | ||
96 | /** |
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97 | * The less-than-or-equal-to operator <code><=</code> |
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98 | */ |
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99 | final static int LESS_THAN_EQUALS = 4; |
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100 | ||
101 | /** |
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102 | * The greater-than operator <code>></code> |
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103 | */ |
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104 | final static int GREATER_THAN = 5; |
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105 | ||
106 | /** |
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107 | * The greater-than or equals operator <code>>=</code> |
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108 | */ |
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109 | final static int GREATER_THAN_EQUALS = 6; |
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110 | ||
111 | // Additive |
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112 | ||
113 | /** |
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114 | * The addition operator <code>+</code> |
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115 | */ |
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116 | final static int ADD = 7; |
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117 | ||
118 | /** |
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119 | * The subtraction operator <code>-</code> |
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120 | */ |
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121 | final static int SUBTRACT = 8; |
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122 | ||
123 | // Multiplicative |
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124 | ||
125 | /** |
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126 | * The multiplication operator <code>*</code> |
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127 | */ |
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128 | final static int MULTIPLY = 9; |
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129 | ||
130 | /** |
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131 | * The remainder operator <code>mod</code>. This is equivalent to |
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132 | * <code>%</code> in Java. |
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133 | */ |
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134 | final static int MOD = 10; |
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135 | ||
136 | /** |
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137 | * The floating point division operator <code>div</code>. This is equivalent to |
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138 | * <code>/</code> in Java. |
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139 | */ |
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140 | final static int DIV = 11; |
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141 | ||
142 | // Unary |
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143 | ||
144 | /** |
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145 | * Unary <code>-</code> |
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146 | */ |
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147 | final static int NEGATIVE = 12; |
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148 | } |