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80 lines
2.5 KiB
80 lines
2.5 KiB
/* KeywordRenamer Copyright (C) 1999 Jochen Hoenicke.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* $Id$
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*/
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package jode.obfuscator.modules;
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import jode.obfuscator.*;
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import @COLLECTIONS@.Collection;
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import @COLLECTIONS@.Iterator;
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import @COLLECTIONEXTRA@.UnsupportedOperationException;
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public class KeywordRenamer implements Renamer, OptionHandler {
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String keywords[];
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Renamer backup;
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public KeywordRenamer() {
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keywords = new String[] {
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"if", "else", "for", "while", "throw", "return",
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"class", "interface", "implements", "extends",
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"instanceof", "new",
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"int", "boolean", "long", "float", "double", "short",
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"public", "protected", "private",
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"static", "synchronized", "strict", "transient", "abstract",
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"volatile", "final",
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/* Not really keywords, but very confusing anyway. */
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"Object", "String", "Thread", "Runnable", "StringBuffer", "Vector"
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};
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backup = new StrongRenamer();
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}
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public void setOption(String option, Collection values) {
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if (option.startsWith("keywords")) {
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keywords = (String[]) values.toArray(new String[values.size()]);
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} else if (option.startsWith("backup")) {
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if (values.size() != 1)
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throw new IllegalArgumentException
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("Only one backup is allowed");
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backup = (Renamer) values.iterator().next();
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} else
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throw new IllegalArgumentException("Invalid option `"+option+"'");
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}
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public Iterator generateNames(final Identifier ident) {
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return new Iterator() {
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int pos = 0;
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Iterator backing = null;
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public boolean hasNext() {
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return true;
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}
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public Object next() {
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if (pos < keywords.length)
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return keywords[pos++];
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if (backing == null)
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backing = backup.generateNames(ident);
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return backing.next();
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}
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public void remove() {
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throw new UnsupportedOperationException();
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}
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};
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}
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}
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