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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.mapping;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Map;
import java.util.Set;
import java.util.zip.GZIPInputStream;
import com.beust.jcommander.internal.Sets;
import com.google.common.collect.Maps;
import cuchaz.enigma.Util;
import cuchaz.enigma.analysis.Ancestries;
import cuchaz.enigma.analysis.DeobfuscatedAncestries;
import cuchaz.enigma.mapping.SignatureUpdater.ClassNameUpdater;
public class Mappings implements Serializable
{
private static final long serialVersionUID = 4649790259460259026L;
protected Map<String,ClassMapping> m_classesByObf;
protected Map<String,ClassMapping> m_classesByDeobf;
public Mappings( )
{
m_classesByObf = Maps.newHashMap();
m_classesByDeobf = Maps.newHashMap();
}
public Mappings( Iterable<ClassMapping> classes )
{
this();
for( ClassMapping classMapping : classes )
{
m_classesByObf.put( classMapping.getObfName(), classMapping );
m_classesByDeobf.put( classMapping.getDeobfName(), classMapping );
}
}
public static Mappings newFromResource( String resource )
throws IOException
{
InputStream in = null;
try
{
in = Mappings.class.getResourceAsStream( resource );
return newFromStream( in );
}
finally
{
Util.closeQuietly( in );
}
}
public Iterable<ClassMapping> classes( )
{
assert( m_classesByObf.size() == m_classesByDeobf.size() );
return m_classesByObf.values();
}
protected void addClassMapping( ClassMapping classMapping )
{
if( m_classesByObf.containsKey( classMapping.getObfName() ) )
{
throw new Error( "Already have mapping for " + classMapping.getObfName() );
}
if( m_classesByDeobf.containsKey( classMapping.getDeobfName() ) )
{
throw new Error( "Already have mapping for " + classMapping.getDeobfName() );
}
m_classesByObf.put( classMapping.getObfName(), classMapping );
m_classesByDeobf.put( classMapping.getDeobfName(), classMapping );
assert( m_classesByObf.size() == m_classesByDeobf.size() );
}
public ClassMapping getClassByObf( ClassEntry entry )
{
return getClassByObf( entry.getName() );
}
public ClassMapping getClassByObf( String obfName )
{
return m_classesByObf.get( obfName );
}
public ClassMapping getClassByDeobf( ClassEntry entry )
{
return getClassByObf( entry.getName() );
}
public ClassMapping getClassByDeobf( String deobfName )
{
return m_classesByDeobf.get( deobfName );
}
public Translator getTranslator( Ancestries ancestries, TranslationDirection direction )
{
return new Translator(
direction,
direction.choose( m_classesByObf, m_classesByDeobf ),
direction.choose( ancestries, new DeobfuscatedAncestries( ancestries, m_classesByObf, m_classesByDeobf ) )
);
}
public static Mappings newFromStream( InputStream in )
throws IOException
{
try
{
return (Mappings)new ObjectInputStream( new GZIPInputStream( in ) ).readObject();
}
catch( ClassNotFoundException ex )
{
throw new Error( ex );
}
}
@Override
public String toString( )
{
StringBuilder buf = new StringBuilder();
for( ClassMapping classMapping : m_classesByObf.values() )
{
buf.append( classMapping.toString() );
buf.append( "\n" );
}
return buf.toString();
}
public void renameObfClasses( Map<String,String> nameMap )
{
for( ClassMapping classMapping : new ArrayList<ClassMapping>( m_classesByObf.values() ) )
{
String newName = nameMap.get( classMapping.getObfName() );
if( newName != null )
{
m_classesByObf.remove( classMapping.getObfName() );
classMapping.renameObfClasses( nameMap );
m_classesByObf.put( classMapping.getObfName(), classMapping );
}
}
}
public void removeClassByObfName( String obfName )
{
ClassMapping classMapping = m_classesByObf.get( obfName );
if( classMapping != null )
{
m_classesByObf.remove( classMapping.getObfName() );
m_classesByDeobf.remove( classMapping.getDeobfName() );
}
}
public Set<String> getAllObfClassNames( )
{
final Set<String> classNames = Sets.newHashSet();
for( ClassMapping classMapping : classes() )
{
// add the class name
classNames.add( classMapping.getObfName() );
// add classes from method signatures
for( MethodMapping methodMapping : classMapping.methods() )
{
SignatureUpdater.update( methodMapping.getObfSignature(), new ClassNameUpdater( )
{
@Override
public String update( String className )
{
classNames.add( className );
return className;
}
} );
}
}
return classNames;
}
}
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