/jEdit/tags/jedit-4-2-pre4/gnu/regexp/RETokenEnd.java
Java | 55 lines | 29 code | 5 blank | 21 comment | 7 complexity | 0d02cd0172eb6ebbfc2ca894647b2cdc MD5 | raw file
Possible License(s): BSD-3-Clause, AGPL-1.0, Apache-2.0, LGPL-2.0, LGPL-3.0, GPL-2.0, CC-BY-SA-3.0, LGPL-2.1, GPL-3.0, MPL-2.0-no-copyleft-exception, IPL-1.0
1/*
2 * gnu/regexp/RETokenEnd.java
3 * Copyright (C) 1998-2001 Wes Biggs
4 *
5 * This library is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU Lesser General Public License as published
7 * by the Free Software Foundation; either version 2.1 of the License, or
8 * (at your option) any later version.
9 *
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 */
19package gnu.regexp;
20
21final 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) ?
36 false : 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) return false;
43 ++i;
44 ch = input.charAt(mymatch.index + i);
45 } while (i < newline.length());
46
47 return next(input, mymatch);
48 }
49 return false;
50 }
51
52 void dump(StringBuffer os) {
53 os.append('$');
54 }
55}