From 360bbd1c2fca8cbd575907b7d930a8072fccb0c2 Mon Sep 17 00:00:00 2001
From: jeff
Date: Mon, 1 Sep 2014 22:52:07 -0400
Subject: refactored jar,translation index. fixed bug with field renaming when
 fields are shadowed by subclasses

---
 src/cuchaz/enigma/mapping/MappingsRenamer.java | 164 +++++++++++++++++++++++++
 1 file changed, 164 insertions(+)
 create mode 100644 src/cuchaz/enigma/mapping/MappingsRenamer.java

(limited to 'src/cuchaz/enigma/mapping/MappingsRenamer.java')

diff --git a/src/cuchaz/enigma/mapping/MappingsRenamer.java b/src/cuchaz/enigma/mapping/MappingsRenamer.java
new file mode 100644
index 0000000..9d036d8
--- /dev/null
+++ b/src/cuchaz/enigma/mapping/MappingsRenamer.java
@@ -0,0 +1,164 @@
+/*******************************************************************************
+ * 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.ObjectOutputStream;
+import java.io.OutputStream;
+import java.util.Set;
+import java.util.zip.GZIPOutputStream;
+
+import cuchaz.enigma.analysis.JarIndex;
+
+public class MappingsRenamer
+{
+	private JarIndex m_index;
+	private Mappings m_mappings;
+	
+	public MappingsRenamer( JarIndex index, Mappings mappings )
+	{
+		m_index = index;
+		m_mappings = mappings;
+	}
+	
+	public void setClassName( ClassEntry obf, String deobfName )
+	{
+		deobfName = NameValidator.validateClassName( deobfName );
+		ClassEntry targetEntry = new ClassEntry( deobfName );
+		if( m_mappings.containsDeobfClass( deobfName ) || m_index.containsObfClass( targetEntry ) )
+		{
+			throw new IllegalNameException( deobfName, "There is already a class with that name" );
+		}
+		
+		ClassMapping classMapping = getOrCreateClassMapping( obf );
+		
+		if( obf.isInnerClass() )
+		{
+			classMapping.setInnerClassName( obf.getInnerClassName(), deobfName );
+		}
+		else
+		{
+			m_mappings.m_classesByDeobf.remove( classMapping.getDeobfName() );
+			classMapping.setDeobfName( deobfName );
+			m_mappings.m_classesByDeobf.put( deobfName, classMapping );
+		}
+		
+		updateDeobfMethodSignatures();
+	}
+	
+	public void setFieldName( FieldEntry obf, String deobfName )
+	{
+		deobfName = NameValidator.validateFieldName( deobfName );
+		FieldEntry targetEntry = new FieldEntry( obf.getClassEntry(), deobfName );
+		if( m_mappings.containsDeobfField( obf.getClassEntry(), deobfName ) || m_index.containsObfField( targetEntry ) )
+		{
+			throw new IllegalNameException( deobfName, "There is already a field with that name" );
+		}
+		
+		ClassMapping classMapping = getOrCreateClassMappingOrInnerClassMapping( obf.getClassEntry() );
+		classMapping.setFieldName( obf.getName(), deobfName );
+	}
+	
+	public void setMethodTreeName( MethodEntry obf, String deobfName )
+	{
+		Set<MethodEntry> implementations = m_index.getRelatedMethodImplementations( obf );
+		
+		deobfName = NameValidator.validateMethodName( deobfName );
+		for( MethodEntry entry : implementations )
+		{
+			MethodEntry targetEntry = new MethodEntry( entry.getClassEntry(), deobfName, entry.getSignature() );
+			if( m_mappings.containsDeobfMethod( entry.getClassEntry(), deobfName, entry.getSignature() ) || m_index.containsObfMethod( targetEntry ) )
+			{
+				String deobfClassName = getTranslator( TranslationDirection.Deobfuscating ).translateClass( entry.getClassName() );
+				throw new IllegalNameException( deobfName, "There is already a method with that name and signature in class " + deobfClassName );
+			}
+		}
+		
+		for( MethodEntry entry : implementations )
+		{
+			setMethodName( entry, deobfName );
+		}
+	}
+
+	public void setMethodName( MethodEntry obf, String deobfName )
+	{
+		deobfName = NameValidator.validateMethodName( deobfName );
+		MethodEntry targetEntry = new MethodEntry( obf.getClassEntry(), deobfName, obf.getSignature() );
+		if( m_mappings.containsDeobfMethod( obf.getClassEntry(), deobfName, obf.getSignature() ) || m_index.containsObfMethod( targetEntry ) )
+		{
+			String deobfClassName = getTranslator( TranslationDirection.Deobfuscating ).translateClass( obf.getClassName() );
+			throw new IllegalNameException( deobfName, "There is already a method with that name and signature in class " + deobfClassName );
+		}
+		
+		ClassMapping classMapping = getOrCreateClassMappingOrInnerClassMapping( obf.getClassEntry() );
+		String deobfSignature = getTranslator( TranslationDirection.Deobfuscating ).translateSignature( obf.getSignature() );
+		classMapping.setMethodNameAndSignature( obf.getName(), obf.getSignature(), deobfName, deobfSignature );
+	}
+	
+	public void setArgumentName( ArgumentEntry obf, String deobfName )
+	{
+		deobfName = NameValidator.validateArgumentName( deobfName );
+		// NOTE: don't need to check arguments for name collisions with names determined by Procyon
+		if( m_mappings.containsArgument( obf.getMethodEntry(), deobfName ) )
+		{
+			throw new IllegalNameException( deobfName, "There is already an argument with that name" );
+		}
+		
+		ClassMapping classMapping = getOrCreateClassMappingOrInnerClassMapping( obf.getClassEntry() );
+		classMapping.setArgumentName( obf.getMethodName(), obf.getMethodSignature(), obf.getIndex(), deobfName );
+	}
+	
+	public void write( OutputStream out )
+	throws IOException
+	{
+		// TEMP: just use the object output for now. We can find a more efficient storage format later
+		GZIPOutputStream gzipout = new GZIPOutputStream( out );
+		ObjectOutputStream oout = new ObjectOutputStream( gzipout );
+		oout.writeObject( this );
+		gzipout.finish();
+	}
+	
+	private ClassMapping getOrCreateClassMapping( ClassEntry obfClassEntry )
+	{
+		String obfClassName = obfClassEntry.getOuterClassName();
+		ClassMapping classMapping = m_mappings.m_classesByObf.get( obfClassName );
+		if( classMapping == null )
+		{
+			classMapping = new ClassMapping( obfClassName, obfClassName );
+			m_mappings.m_classesByObf.put( classMapping.getObfName(), classMapping );
+			m_mappings.m_classesByDeobf.put( classMapping.getDeobfName(), classMapping );
+		}
+		return classMapping;
+	}
+	
+	private ClassMapping getOrCreateClassMappingOrInnerClassMapping( ClassEntry obfClassEntry )
+	{
+		ClassMapping classMapping = getOrCreateClassMapping( obfClassEntry );
+		if( obfClassEntry.isInnerClass() )
+		{
+			classMapping = classMapping.getOrCreateInnerClass( obfClassEntry.getInnerClassName() );
+		}
+		return classMapping;
+	}
+	
+	private void updateDeobfMethodSignatures( )
+	{
+		for( ClassMapping classMapping : m_mappings.m_classesByObf.values() )
+		{
+			classMapping.updateDeobfMethodSignatures( getTranslator( TranslationDirection.Deobfuscating ) );
+		}
+	}
+	
+	private Translator getTranslator( TranslationDirection direction )
+	{
+		return m_mappings.getTranslator( m_index.getTranslationIndex(), direction );
+	}
+}
-- 
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