01: /*
02: * gnu/regexp/RETokenEnd.java
03: * Copyright (C) 1998-2001 Wes Biggs
04: *
05: * This library is free software; you can redistribute it and/or modify
06: * it under the terms of the GNU Lesser General Public License as published
07: * by the Free Software Foundation; either version 2.1 of the License, or
08: * (at your option) any later version.
09: *
10: * This library is distributed in the hope that it will be useful,
11: * but WITHOUT ANY WARRANTY; without even the implied warranty of
12: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13: * GNU Lesser General Public License for more details.
14: *
15: * You should have received a copy of the GNU Lesser General Public License
16: * along with this program; if not, write to the Free Software
17: * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18: */
19: package gnu.regexp;
20:
21: final class RETokenEnd extends REToken {
22: /**
23: * Indicates whether this token should match on a line break.
24: */
25: private String newline;
26:
27: RETokenEnd(int subIndex, String newline) {
28: super (subIndex);
29: this .newline = newline;
30: }
31:
32: boolean match(CharIndexed input, REMatch mymatch) {
33: char ch = input.charAt(mymatch.index);
34: if (ch == CharIndexed.OUT_OF_BOUNDS)
35: return ((mymatch.eflags & RE.REG_NOTEOL) > 0) ? false
36: : next(input, mymatch);
37: if (newline != null) {
38: char z;
39: int i = 0; // position in newline
40: do {
41: z = newline.charAt(i);
42: if (ch != z)
43: return false;
44: ++i;
45: ch = input.charAt(mymatch.index + i);
46: } while (i < newline.length());
47:
48: return next(input, mymatch);
49: }
50: return false;
51: }
52:
53: void dump(StringBuffer os) {
54: os.append('$');
55: }
56: }
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