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Diffstat (limited to 'libjava/gnu/regexp/RETokenLookAhead.java')
-rw-r--r-- | libjava/gnu/regexp/RETokenLookAhead.java | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/libjava/gnu/regexp/RETokenLookAhead.java b/libjava/gnu/regexp/RETokenLookAhead.java deleted file mode 100644 index 33eaec9..0000000 --- a/libjava/gnu/regexp/RETokenLookAhead.java +++ /dev/null @@ -1,87 +0,0 @@ -/* gnu/regexp/RETokenLookAhead.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., 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; - -/** - * @since gnu.regexp 1.1.3 - * @author Shashank Bapat - */ -final class RETokenLookAhead extends REToken -{ - REToken re; - boolean negative; - - RETokenLookAhead(REToken re, boolean negative) throws REException { - super(0); - this.re = re; - this.negative = negative; - } - - boolean match(CharIndexed input, REMatch mymatch) - { - REMatch trymatch = (REMatch)mymatch.clone(); - REMatch trymatch1 = (REMatch)mymatch.clone(); - REMatch newMatch = null; - if (re.match(input, trymatch)) { - if (negative) return false; - if (next(input, trymatch1)) - newMatch = trymatch1; - } - - if (newMatch != null) { - if (negative) return false; - //else - mymatch.assignFrom(newMatch); - return true; - } - else { // no match - if (negative) - return next(input, mymatch); - //else - return false; - } - } - - void dump(StringBuffer os) { - os.append("(?"); - os.append(negative ? '!' : '='); - re.dumpAll(os); - os.append(')'); - } -} - |