ec730df5fc
2004-03-08 Anthony Green <green@redhat.com> * Makefile.am: Build property resource files into libgcj. * Makefile.in: Rebuilt. * java/util/regex/Matcher.java, java/util/regex/Pattern.java, java/util/regex/PatternSyntaxException.java, gnu/regexp/CharIndexed.java, gnu/regexp/CharIndexedCharArray.java, gnu/regexp/CharIndexedInputStream.java, gnu/regexp/CharIndexedReader.java, gnu/regexp/CharIndexedString.java, gnu/regexp/CharIndexedStringBuffer.java, gnu/regexp/RE.java, gnu/regexp/REException.java, gnu/regexp/REFilterInputStream.java, gnu/regexp/REFilterReader.java, gnu/regexp/REMatch.java, gnu/regexp/REMatchEnumeration.java, gnu/regexp/RESyntax.java, gnu/regexp/REToken.java, gnu/regexp/RETokenAny.java, gnu/regexp/RETokenBackRef.java, gnu/regexp/RETokenChar.java, gnu/regexp/RETokenEnd.java, gnu/regexp/RETokenEndSub.java, gnu/regexp/RETokenLookAhead.java, gnu/regexp/RETokenOneOf.java, gnu/regexp/RETokenPOSIX.java, gnu/regexp/RETokenRange.java, gnu/regexp/RETokenRepeated.java, gnu/regexp/RETokenStart.java, gnu/regexp/RETokenWordBoundary.java, gnu/regexp/UncheckedRE.java: Files merged from GNU Classpath. From-SVN: r79198
73 lines
2.4 KiB
Java
73 lines
2.4 KiB
Java
/* gnu/regexp/RETokenBackRef.java
|
|
Copyright (C) 1998-2001, 2004 Free Software Foundation, Inc.
|
|
|
|
This file is part of GNU Classpath.
|
|
|
|
GNU Classpath is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2, or (at your option)
|
|
any later version.
|
|
|
|
GNU Classpath is distributed in the hope that it will be useful, but
|
|
WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with GNU Classpath; see the file COPYING. If not, write to the
|
|
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA.
|
|
|
|
Linking this library statically or dynamically with other modules is
|
|
making a combined work based on this library. Thus, the terms and
|
|
conditions of the GNU General Public License cover the whole
|
|
combination.
|
|
|
|
As a special exception, the copyright holders of this library give you
|
|
permission to link this library with independent modules to produce an
|
|
executable, regardless of the license terms of these independent
|
|
modules, and to copy and distribute the resulting executable under
|
|
terms of your choice, provided that you also meet, for each linked
|
|
independent module, the terms and conditions of the license of that
|
|
module. An independent module is a module which is not derived from
|
|
or based on this library. If you modify this library, you may extend
|
|
this exception to your version of the library, but you are not
|
|
obligated to do so. If you do not wish to do so, delete this
|
|
exception statement from your version. */
|
|
|
|
|
|
package gnu.regexp;
|
|
|
|
final class RETokenBackRef extends REToken {
|
|
private int num;
|
|
private boolean insens;
|
|
|
|
RETokenBackRef(int subIndex, int num, boolean insens) {
|
|
super(subIndex);
|
|
this.num = num;
|
|
this.insens = insens;
|
|
}
|
|
|
|
// should implement getMinimumLength() -- any ideas?
|
|
|
|
boolean match(CharIndexed input, REMatch mymatch) {
|
|
int b,e;
|
|
b = mymatch.start[num];
|
|
e = mymatch.end[num];
|
|
if ((b==-1)||(e==-1)) return false; // this shouldn't happen, but...
|
|
for (int i=b; i<e; i++) {
|
|
if (input.charAt(mymatch.index+i-b) != input.charAt(i)) {
|
|
return false;
|
|
}
|
|
}
|
|
mymatch.index += e-b;
|
|
return next(input, mymatch);
|
|
}
|
|
|
|
void dump(StringBuffer os) {
|
|
os.append('\\').append(num);
|
|
}
|
|
}
|
|
|
|
|