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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.bytecode;
import java.util.Collection;
import javassist.CtClass;
import javassist.bytecode.AccessFlag;
import javassist.bytecode.Descriptor;
import javassist.bytecode.InnerClassesAttribute;
import cuchaz.enigma.analysis.JarIndex;
import cuchaz.enigma.mapping.Translator;
public class InnerClassWriter
{
private Translator m_deobfuscatingTranslator;
private JarIndex m_jarIndex;
public InnerClassWriter( Translator deobfuscatingTranslator, JarIndex jarIndex )
{
m_deobfuscatingTranslator = deobfuscatingTranslator;
m_jarIndex = jarIndex;
}
public void writeInnerClasses( CtClass c )
{
// is this an outer class with inner classes?
String obfOuterClassName = Descriptor.toJvmName( c.getName() );
Collection<String> obfInnerClassNames = m_jarIndex.getInnerClasses( obfOuterClassName );
if( obfInnerClassNames != null && !obfInnerClassNames.isEmpty() )
{
writeInnerClasses( c, obfInnerClassNames );
}
}
private void writeInnerClasses( CtClass c, Collection<String> obfInnerClassNames )
{
String obfOuterClassName = Descriptor.toJvmName( c.getName() );
InnerClassesAttribute attr = new InnerClassesAttribute( c.getClassFile().getConstPool() );
c.getClassFile().addAttribute( attr );
for( String obfInnerClassName : obfInnerClassNames )
{
// deobfuscate the class names
String deobfOuterClassName = m_deobfuscatingTranslator.translateClass( obfOuterClassName );
if( deobfOuterClassName == null )
{
deobfOuterClassName = obfOuterClassName;
}
String deobfInnerClassName = m_deobfuscatingTranslator.translateClass( obfInnerClassName );
if( deobfInnerClassName == null )
{
deobfInnerClassName = obfInnerClassName;
}
// update the attribute
String deobfOuterInnerClassName = deobfOuterClassName + "$" + deobfInnerClassName;
attr.append(
deobfOuterInnerClassName,
deobfOuterClassName,
deobfInnerClassName,
c.getClassFile().getAccessFlags() & ~AccessFlag.SUPER
);
// make sure the outer class references only the new inner class names
c.replaceClassName( obfInnerClassName, deobfOuterInnerClassName );
// TEMP
System.out.println( "\tInner " + obfInnerClassName + " -> " + deobfOuterInnerClassName );
}
}
}
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