01: /* Generated By:JavaCC: Do not edit this line. Token.java Version 2.1 */
02: /*
03: * $Id : $
04: * $Source : $
05: * $Log: Token.java,v $
06: * Revision 1.3 2005/11/30 11:27:25 ss150821
07: * 6356996 - Srap Code base needs to save files in the unix file format and not windows
08: *
09: * Revision 1.2 2005/02/23 09:03:11 ss150821
10: * RFE 6223490 - SRA Should use JDK based logging
11: *
12: * Revision 1.1 2003/04/15 05:22:11 mm132998
13: * WebDAV support
14: *
15: *
16: */
17: package com.sun.portal.rproxy.connectionhandler.webdav;
18:
19: /**
20: * Describes the input token stream.
21: */
22:
23: public class Token {
24:
25: /**
26: * An integer that describes the kind of this token. This numbering system
27: * is determined by JavaCCParser, and a table of these numbers is stored in
28: * the file ...Constants.java.
29: */
30: public int kind;
31:
32: /**
33: * beginLine and beginColumn describe the position of the first character of
34: * this token; endLine and endColumn describe the position of the last
35: * character of this token.
36: */
37: public int beginLine, beginColumn, endLine, endColumn;
38:
39: /**
40: * The string image of the token.
41: */
42: public String image;
43:
44: /**
45: * A reference to the next regular (non-special) token from the input
46: * stream. If this is the last token from the input stream, or if the token
47: * manager has not read tokens beyond this one, this field is set to null.
48: * This is true only if this token is also a regular token. Otherwise, see
49: * below for a description of the contents of this field.
50: */
51: public Token next;
52:
53: /**
54: * This field is used to access special tokens that occur prior to this
55: * token, but after the immediately preceding regular (non-special) token.
56: * If there are no such special tokens, this field is set to null. When
57: * there are more than one such special token, this field refers to the last
58: * of these special tokens, which in turn refers to the next previous
59: * special token through its specialToken field, and so on until the first
60: * special token (whose specialToken field is null). The next fields of
61: * special tokens refer to other special tokens that immediately follow it
62: * (without an intervening regular token). If there is no such token, this
63: * field is null.
64: */
65: public Token specialToken;
66:
67: /**
68: * Returns the image.
69: */
70: public final String toString() {
71: return image;
72: }
73:
74: /**
75: * Returns a new Token object, by default. However, if you want, you can
76: * create and return subclass objects based on the value of ofKind. Simply
77: * add the cases to the switch for all those special cases. For example, if
78: * you have a subclass of Token called IDToken that you want to create if
79: * ofKind is ID, simlpy add something like :
80: *
81: * case MyParserConstants.ID : return new IDToken();
82: *
83: * to the following switch statement. Then you can cast matchedToken
84: * variable to the appropriate type and use it in your lexical actions.
85: */
86: public static final Token newToken(int ofKind) {
87: switch (ofKind) {
88: default:
89: return new Token();
90: }
91: }
92:
93: }
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