refactored jar,translation index. fixed bug with field renaming when fields are shadowed by subclasses

1 files changed, 164 insertions, 0 deletions

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 );
+        }
+}