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/*******************************************************************************
* Copyright (c) 2015 Jeff Martin.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Lesser General Public
* License v3.0 which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/lgpl.html
*
* Contributors:
* Jeff Martin - initial API and implementation
******************************************************************************/
package cuchaz.enigma;
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.translation.representation.entry.Entry;
import java.io.IOException;
import java.util.Collection;
import java.util.List;
import java.util.jar.JarFile;
public class TokenChecker {
private Deobfuscator deobfuscator;
protected TokenChecker(JarFile jarFile)
throws IOException {
deobfuscator = new Deobfuscator(jarFile);
}
protected String getDeclarationToken(Entry<?> entry) {
// decompile the class
SourceProvider sourceProvider = deobfuscator.getObfSourceProvider();
CompilationUnit tree = sourceProvider.getSources(entry.getContainingClass().getFullName());
// DEBUG
// tree.acceptVisitor( new TreeDumpVisitor( new File( "tree." + entry.getClassName().replace( '/', '.' ) + ".txt" ) ), null );
String source = sourceProvider.writeSourceToString(tree);
SourceIndex index = SourceIndex.buildIndex(source, tree, true);
// 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
SourceProvider sourceProvider = deobfuscator.getObfSourceProvider();
CompilationUnit tree = sourceProvider.getSources(reference.context.getContainingClass().getFullName());
String source = sourceProvider.writeSourceToString(tree);
SourceIndex index = SourceIndex.buildIndex(source, tree, true);
// 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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