Source code: com/memoire/re/RETokenRange.java
1
2
3 package com.memoire.re;
4 import com.memoire.re.*;
5
6 /*
7 * gnu/regexp/RETokenRange.java
8 * Copyright (C) 1998 Wes Biggs
9 *
10 * This library is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU Library General Public License as published
12 * by the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU Library General Public License for more details.
19 *
20 * You should have received a copy of the GNU Library General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 */
24
25
26
27 class RETokenRange extends REToken {
28 private char lo, hi;
29 private boolean insens;
30
31 RETokenRange(int f_subIndex, char f_lo, char f_hi, boolean ins) {
32 super(f_subIndex);
33 lo = (insens = ins) ? Character.toLowerCase(f_lo) : f_lo;
34 hi = ins ? Character.toLowerCase(f_hi) : f_hi;
35 }
36
37 int getMinimumLength() {
38 return 1;
39 }
40
41 int[] match(RECharIndexed input, int index, int eflags, REMatch mymatch) {
42 char c = input.charAt(index);
43 if (c == RECharIndexed.OUT_OF_BOUNDS) return null;
44 if (insens) c = Character.toLowerCase(c);
45 return ((c >= lo) && (c <= hi)) ?
46 next(input,index+1,eflags,mymatch) : null;
47 }
48
49 void dump(StringBuffer os) {
50 os.append(lo).append('-').append(hi);
51 }
52 }
53