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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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