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root/group/trunk/OOPSE-3.0/src/selection/Token.hpp
Revision: 1961
Committed: Tue Feb 1 06:55:00 2005 UTC (19 years, 5 months ago) by tim
File size: 10271 byte(s)
Log Message:
adding selection library

File Contents

# User Rev Content
1 tim 1961 /*
2     * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
3     *
4     * The University of Notre Dame grants you ("Licensee") a
5     * non-exclusive, royalty free, license to use, modify and
6     * redistribute this software in source and binary code form, provided
7     * that the following conditions are met:
8     *
9     * 1. Acknowledgement of the program authors must be made in any
10     * publication of scientific results based in part on use of the
11     * program. An acceptable form of acknowledgement is citation of
12     * the article in which the program was described (Matthew
13     * A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher
14     * J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented
15     * Parallel Simulation Engine for Molecular Dynamics,"
16     * J. Comput. Chem. 26, pp. 252-271 (2005))
17     *
18     * 2. Redistributions of source code must retain the above copyright
19     * notice, this list of conditions and the following disclaimer.
20     *
21     * 3. Redistributions in binary form must reproduce the above copyright
22     * notice, this list of conditions and the following disclaimer in the
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24     * distribution.
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26     * This software is provided "AS IS," without a warranty of any
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30     * excluded. The University of Notre Dame and its licensors shall not
31     * be liable for any damages suffered by licensee as a result of
32     * using, modifying or distributing the software or its
33     * derivatives. In no event will the University of Notre Dame or its
34     * licensors be liable for any lost revenue, profit or data, or for
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40     */
41    
42     #ifndef SELECTION_TOKEN_HPP
43     #define SELECTION_TOKEN_HPP
44    
45    
46     namespace oopse {
47    
48    
49     /**
50     * @class Token
51     * @todo document
52     */
53     class Token {
54    
55     public:
56    
57     int tok;
58     int intValue;
59    
60     const static int nada = 0;
61     const static int identifier = 1;
62     const static int integer = 2;
63     const static int decimal = 3;
64     const static int string = 4;
65     const static int seqcode = 5;
66     const static int unknown = 6;
67     const static int keyword = 7;
68     const static int whitespace = 8;
69     const static int comment = 9;
70     const static int endofline = 10;
71     const static int endofstatement = 11;
72    
73     const static int command = (1 << 8);
74     const static int expressionCommand = (1 << 9); // expression command
75     const static int expression = (1 << 15); /// expression term
76    
77     // every property is also valid in an expression context
78     const static int atomproperty = (1 << 16) | expression;
79     // every predefined is also valid in an expression context
80     const static int comparator = (1 << 17) | expression;
81     const static int predefinedset = (1 << 18) | expression;
82     // generally, the minus sign is used to denote atom ranges
83     // this property is used for the few commands which allow negative integers
84     const static int negnums = (1 << 21);
85     // for some commands the 'set' is optional
86    
87     // These are unrelated
88     const static int varArgCount = (1 << 4);
89     const static int onDefault1 = (1 << 5) | 1;
90    
91     // rasmol commands
92     const static int define = command | expressionCommand |1;
93     const static int select = command |expressionCommand |2 ;
94     const static int all = expression | 11 ;
95    
96     // atom expression operators
97     const static int leftparen = expression | 0;
98     const static int rightparen = expression | 1;
99     const static int hyphen = expression | 2;
100     const static int opAnd = expression | 3;
101     const static int opOr = expression | 4;
102     const static int opNot = expression | 5;
103     const static int within = expression | 6;
104     const static int plus = expression | 7;
105     const static int pick = expression | 8;
106     const static int asterisk = expression | 9;
107     const static int dot = expression | 11;
108     const static int leftsquare = expression | 12;
109     const static int rightsquare = expression | 13;
110     const static int colon = expression | 14;
111     const static int slash = expression | 15;
112    
113     // miguel 2005 01 01
114     // these are used to demark the beginning and end of expressions
115     // they do not exist in the source code, but are emitted by the
116     // expression compiler
117     const static int expressionBegin = expression | 100;
118     const static int expressionEnd = expression | 101;
119    
120     const static int atomno = atomproperty | 0;
121     const static int elemno = atomproperty | 1;
122     const static int resno = atomproperty | 2;
123     const static int radius = atomproperty | 3 ;
124     const static int _bondedcount = atomproperty | 6;
125     const static int _groupID = atomproperty | 7;
126     const static int _atomID = atomproperty | 8;
127     const static int _structure = atomproperty | 9;
128     const static int occupancy = atomproperty | 10;
129     const static int polymerLength= atomproperty | 11;
130    
131     const static int opGT = comparator | 0;
132     const static int opGE = comparator | 1;
133     const static int opLE = comparator | 2;
134     const static int opLT = comparator | 3;
135     const static int opEQ = comparator | 4;
136     const static int opNE = comparator | 5;
137    
138     const static int x = expression |2;
139     const static int y = expression | 3;
140     const static int z = expression | 4;
141     const static int none = expression | 5;
142    
143    
144     const static Token tokenAll(all, "all");
145     const static Token tokenAnd(opAnd, "and");
146     const static Token tokenElemno(elemno, "elemno");
147     const static Token tokenExpressionBegin(expressionBegin, "expressionBegin");
148     const static Token tokenExpressionEnd(expressionEnd, "expressionEnd");
149    
150    
151     const static String[] comparatorNames = {">", ">=", "<=", "<", "=", "!="};
152     const static String[] atomPropertyNames = {
153     "atomno", "elemno", "resno", "radius", "temperature", "model",
154     "_bondedcount", "_groupID", "_atomID", "_structure"};
155    
156     /*
157     Note that the RasMol scripting language is case-insensitive.
158     So, the compiler turns all identifiers to lower-case before
159     looking up in the hash table.
160     Therefore, the left column of this array *must* be lower-case
161     */
162    
163     const static Object[] arrayPairs = {
164     // commands
165     "define", new Token(define, varArgCount, "define"),
166     "select", new Token(select, varArgCount, "select"),
167     // atom expressions
168     "(", new Token(leftparen, "("),
169     ")", new Token(rightparen, ")"),
170     "-", new Token(hyphen, "-"),
171     "and", tokenAnd,
172     "&", null,
173     "&&", null,
174     "or", new Token(opOr, "or"),
175     ",", null,
176     "|", null,
177     "||", null,
178     "not", new Token(opNot, "not"),
179     "!", null,
180     "<", new Token(opLT, "<"),
181     "<=", new Token(opLE, "<="),
182     ">=", new Token(opGE, ">="),
183     ">", new Token(opGT, ">="),
184     "==", new Token(opEQ, "=="),
185     "=", null,
186     "!=", new Token(opNE, "!="),
187     "<>", null,
188     "/=", null,
189     "within", new Token(within, "within"),
190     "+", new Token(plus, "+"),
191     "pick", new Token(pick, "pick"),
192     ".", new Token(dot, "."),
193     "[", new Token(leftsquare, "["),
194     "]", new Token(rightsquare, "]"),
195     ":", new Token(colon, ":"),
196     "/", new Token(slash, "/"),
197    
198     "atomno", new Token(atomno, "atomno"),
199     "elemno", tokenElemno,
200     "_e", tokenElemno,
201     "resno", new Token(resno, "resno"),
202     "temperature", new Token(temperature, "temperature"),
203     "relativetemperature", null,
204     "_bondedcount", new Token(_bondedcount, "_bondedcount"),
205     "_groupID", new Token(_groupID, "_groupID"),
206     "_g", null,
207     "_atomID", new Token(_atomID, "_atomID"),
208     "_a", null,
209     "_structure", new Token(_structure, "_structure"),
210     "occupancy", new Token(occupancy, "occupancy"),
211     "polymerlength",new Token(polymerLength, "polymerlength"),
212    
213     "x", new Token(x, "x"),
214     "y", new Token(y, "y"),
215     "z", new Token(z, "z"),
216     "*", new Token(asterisk, "*"),
217     "all", tokenAll,
218     "none", new Token(none, "none"),
219    
220     };
221    
222    
223     static Hashtable map = new Hashtable();
224     static {
225     Token tokenLast = null;
226     String stringThis;
227     Token tokenThis;
228     for (int i = 0; i + 1 < arrayPairs.length; i += 2) {
229     stringThis = (String) arrayPairs[i];
230     tokenThis = (Token) arrayPairs[i + 1];
231     if (tokenThis == null)
232     tokenThis = tokenLast;
233     if (map.get(stringThis) != null)
234     System.out.println("duplicate token definition:" + stringThis);
235     map.put(stringThis, tokenThis);
236     tokenLast = tokenThis;
237     }
238     }
239    
240    
241     };
242    
243     }
244    
245     #endif