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Diffstat (limited to 'libjava/classpath/gnu/regexp/RETokenBackRef.java')
| -rw-r--r-- | libjava/classpath/gnu/regexp/RETokenBackRef.java | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/libjava/classpath/gnu/regexp/RETokenBackRef.java b/libjava/classpath/gnu/regexp/RETokenBackRef.java deleted file mode 100644 index 25ef952..0000000 --- a/libjava/classpath/gnu/regexp/RETokenBackRef.java +++ /dev/null @@ -1,86 +0,0 @@ -/* gnu/regexp/RETokenBackRef.java - Copyright (C) 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 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? - - REMatch matchThis(CharIndexed input, REMatch mymatch) { - if (num >= mymatch.start.length) return null; - if (num >= mymatch.end.length) return null; - int b,e; - b = mymatch.start[num]; - e = mymatch.end[num]; - if ((b==-1)||(e==-1)) return null; // this shouldn't happen, but... - if (b < 0) b += 1; - if (e < 0) e += 1; - for (int i=b; i<e; i++) { - char c1 = input.charAt(mymatch.index+i-b); - char c2 = input.charAt(i); - if (c1 != c2) { - if (insens) { - if (c1 != toLowerCase(c2, unicodeAware) && - c1 != toUpperCase(c2, unicodeAware)) { - return null; - } - } - else { - return null; - } - } - } - mymatch.index += e-b; - return mymatch; - } - - void dump(StringBuffer os) { - os.append('\\').append(num); - } -} - - |