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1   /*
2    * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/saxpath/base/TokenTypes.java,v 1.7 2005/06/15 17:17:00 elharo Exp $
3    * $Revision: 1.7 $
4    * $Date: 2005/06/15 17:17:00 $
5    *
6    * ====================================================================
7    *
8    * Copyright (C) 2000-2004 bob mcwhirter & James Strachan.
9    * All rights reserved.
10   *
11   * Redistribution and use in source and binary forms, with or without
12   * modification, are permitted provided that the following conditions
13   * are met:
14   *
15   * 1. Redistributions of source code must retain the above copyright
16   *    notice, this list of conditions, and the following disclaimer.
17   *
18   * 2. Redistributions in binary form must reproduce the above copyright
19   *    notice, this list of conditions, and the disclaimer that follows
20   *    these conditions in the documentation and/or other materials
21   *    provided with the distribution.
22   *
23   * 3. The name "Jaxen" must not be used to endorse or promote products
24   *    derived from this software without prior written permission.  For
25   *    written permission, please contact license@jaxen.org.
26   *
27   * 4. Products derived from this software may not be called "Jaxen", nor
28   *    may "Jaxen" appear in their name, without prior written permission
29   *    from the Jaxen Project Management (pm@jaxen.org).
30   *
31   * In addition, we request (but do not require) that you include in the
32   * end-user documentation provided with the redistribution and/or in the
33   * software itself an acknowledgement equivalent to the following:
34   *     "This product includes software developed by the
35   *      Jaxen Project (http://www.jaxen.org/)."
36   * Alternatively, the acknowledgment may be graphical using the logos
37   * available at http://www.jaxen.org/
38   *
39   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
40   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
41   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
42   * DISCLAIMED.  IN NO EVENT SHALL THE Jaxen AUTHORS OR THE PROJECT
43   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
45   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
46   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
47   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
48   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
49   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50   * SUCH DAMAGE.
51   *
52   * ====================================================================
53   * This software consists of voluntary contributions made by many
54   * individuals on behalf of the Jaxen Project and was originally
55   * created by bob mcwhirter <bob@werken.com> and
56   * James Strachan <jstrachan@apache.org>.  For more information on the
57   * Jaxen Project, please see <http://www.jaxen.org/>.
58   *
59   * $Id: TokenTypes.java,v 1.7 2005/06/15 17:17:00 elharo Exp $
60   */
61  
62  package org.jaxen.saxpath.base;
63  
64  import org.jaxen.JaxenRuntimeException;
65  
66  
67  
68  class TokenTypes
69  {
70      static final int EOF   = -1;
71      static final int SKIP  = -2;
72      static final int ERROR = -3;
73  
74      static final int EQUALS = 1;
75      static final int NOT_EQUALS = 2;
76      
77      static final int LESS_THAN_SIGN = 3;
78      static final int LESS_THAN_OR_EQUALS_SIGN = 4;
79      static final int GREATER_THAN_SIGN = 5;
80      static final int GREATER_THAN_OR_EQUALS_SIGN = 6;  
81      
82      static final int PLUS  = 7;
83      static final int MINUS = 8;
84      static final int STAR  = 9;
85      static final int MOD   = 10;
86      static final int DIV   = 11;
87      
88      static final int SLASH = 12;
89      static final int DOUBLE_SLASH = 13;
90      static final int DOT = 14;
91      static final int DOT_DOT = 15;
92  
93      static final int IDENTIFIER = 16;
94  
95      static final int AT = 17;
96      static final int PIPE = 18;
97      static final int COLON = 19;
98      static final int DOUBLE_COLON = 20;
99      
100     static final int LEFT_BRACKET = 21;
101     static final int RIGHT_BRACKET = 22;    
102     static final int LEFT_PAREN = 23;
103     static final int RIGHT_PAREN = 24;
104 
105     static final int NOT = 25;
106     static final int DOLLAR = 26;
107     static final int LITERAL = 27;
108     static final int AND = 28;
109     static final int OR = 29;
110 
111     static final int INTEGER = 30;
112     static final int DOUBLE = 31;
113 
114     static final int COMMA = 32;
115 
116     static String getTokenText( int tokenType )
117     {
118         switch( tokenType )
119         {
120             case ERROR:
121                 return "(error)";
122             case EQUALS:
123                 return "=";
124             case NOT_EQUALS:
125                 return "!=";
126             case LESS_THAN_SIGN:
127                 return "<";
128             case LESS_THAN_OR_EQUALS_SIGN:
129                 return "<=";
130             case GREATER_THAN_SIGN:
131                 return ">";
132             case GREATER_THAN_OR_EQUALS_SIGN:
133                 return ">=";
134             case PLUS:
135                 return "+";
136             case MINUS:
137                 return "-";
138             case STAR:
139                 return "*";
140             case DIV:
141                 return "div";
142             case MOD:
143                 return "mod";
144             case SLASH:
145                 return "/";
146             case DOUBLE_SLASH:
147                 return "//";
148             case DOT:
149                 return ".";
150             case DOT_DOT:
151                 return "..";
152             case IDENTIFIER:
153                 return "(identifier)";
154             case AT:
155                 return "@";
156             case PIPE:
157                 return "|";
158             case COLON:
159                 return ":";
160             case DOUBLE_COLON:
161                 return "::";
162             case LEFT_BRACKET:
163                 return "[";
164             case RIGHT_BRACKET:
165                 return "]";
166             case LEFT_PAREN:
167                 return "(";
168             case RIGHT_PAREN:
169                 return ")";
170             case NOT:
171                 return "!";
172             case DOLLAR:
173                 return "$";
174             case LITERAL:
175                 return "(literal)";
176             case AND:
177                 return "and";
178             case OR:
179                 return "or";
180             case INTEGER:
181                 return "(integer)";
182             case DOUBLE:
183                 return "(double)";
184             case COMMA:
185                 return ",";
186             default:
187                 throw new JaxenRuntimeException("Unrecognized token type: " + tokenType);
188         }
189     }
190 }