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/*******************************************************************************
* Copyright (c) 2014 Jeff Martin.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Public License v3.0
* which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/gpl.html
*
* Contributors:
* Jeff Martin - initial API and implementation
******************************************************************************/
package cuchaz.enigma;
import java.io.File;
import java.io.IOException;
import java.util.Collection;
import java.util.List;
import com.google.common.collect.Lists;
import com.strobel.decompiler.languages.java.ast.CompilationUnit;
import cuchaz.enigma.analysis.EntryReference;
import cuchaz.enigma.analysis.SourceIndex;
import cuchaz.enigma.analysis.Token;
import cuchaz.enigma.mapping.Entry;
public class TokenChecker {
private Deobfuscator m_deobfuscator;
protected TokenChecker(File jarFile) throws IOException {
m_deobfuscator = new Deobfuscator(jarFile);
}
protected String getDeclarationToken(Entry entry) {
// decompile the class
CompilationUnit tree = m_deobfuscator.getSourceTree(entry.getClassName());
// DEBUG
// tree.acceptVisitor( new TreeDumpVisitor( new File( "tree." + entry.getClassName().replace( '/', '.' ) + ".txt" ) ), null );
String source = m_deobfuscator.getSource(tree);
SourceIndex index = m_deobfuscator.getSourceIndex(tree, source);
// get the token value
Token token = index.getDeclarationToken(entry);
if (token == null) {
return null;
}
return source.substring(token.start, token.end);
}
@SuppressWarnings("unchecked")
protected Collection<String> getReferenceTokens(EntryReference<? extends Entry,? extends Entry> reference) {
// decompile the class
CompilationUnit tree = m_deobfuscator.getSourceTree(reference.context.getClassName());
String source = m_deobfuscator.getSource(tree);
SourceIndex index = m_deobfuscator.getSourceIndex(tree, source);
// get the token values
List<String> values = Lists.newArrayList();
for (Token token : index.getReferenceTokens((EntryReference<Entry,Entry>)reference)) {
values.add(source.substring(token.start, token.end));
}
return values;
}
}
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