01: /*
02: * gnu/regexp/RETokenAny.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:
20: package gnu.regexp;
21:
22: final class RETokenAny extends REToken {
23: /** True if '.' can match a newline (RE_DOT_NEWLINE) */
24: private boolean newline;
25:
26: /** True if '.' can't match a null (RE_DOT_NOT_NULL) */
27: private boolean matchNull;
28:
29: RETokenAny(int subIndex, boolean newline, boolean matchNull) {
30: super (subIndex);
31: this .newline = newline;
32: this .matchNull = matchNull;
33: }
34:
35: int getMinimumLength() {
36: return 1;
37: }
38:
39: boolean match(CharIndexed input, REMatch mymatch) {
40: char ch = input.charAt(mymatch.index);
41: if ((ch == CharIndexed.OUT_OF_BOUNDS)
42: || (!newline && (ch == '\n'))
43: || (matchNull && (ch == 0))) {
44: return false;
45: }
46: ++mymatch.index;
47: return next(input, mymatch);
48: }
49:
50: void dump(StringBuffer os) {
51: os.append('.');
52: }
53: }
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