added identifier renaming capability

copied some code over from M3L to handle the heavy bytecode magic.
It's ok... M3L will eventually depend on Enigma.
Completely restructured the mappings though. This way is better. =)

1 files changed, 159 insertions, 0 deletions

diff --git a/src/cuchaz/enigma/mapping/ClassIndex.java b/src/cuchaz/enigma/mapping/ClassIndex.java
new file mode 100644
index 0000000..699807b
--- /dev/null
+++ b/src/cuchaz/enigma/mapping/ClassIndex.java
@@ -0,0 +1,159 @@
+/*******************************************************************************
+ * 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.Serializable;
+import java.util.Map;
+
+import com.beust.jcommander.internal.Maps;
+import com.google.common.collect.BiMap;
+import com.google.common.collect.HashBiMap;
+
+public class ClassIndex implements Serializable
+{
+        private static final long serialVersionUID = -5148491146902340107L;
+        
+        private String m_obfName;
+        private String m_deobfName;
+        private BiMap<String,String> m_fieldsObfToDeobf;
+        private Map<String,MethodIndex> m_methodsByObf;
+        private Map<String,MethodIndex> m_methodsByDeobf;
+        
+        public ClassIndex( String obfName, String deobfName )
+        {
+                m_obfName = obfName;
+                m_deobfName = deobfName;
+                m_fieldsObfToDeobf = HashBiMap.create();
+                m_methodsByObf = Maps.newHashMap();
+                m_methodsByDeobf = Maps.newHashMap();
+        }
+
+        public String getObfName( )
+        {
+                return m_obfName;
+        }
+        
+        public String getDeobfName( )
+        {
+                return m_deobfName;
+        }
+        public void setDeobfName( String val )
+        {
+                m_deobfName = val;
+        }
+
+        public String getObfFieldName( String deobfName )
+        {
+                return m_fieldsObfToDeobf.inverse().get( deobfName );
+        }
+        
+        public String getDeobfFieldName( String obfName )
+        {
+                return m_fieldsObfToDeobf.get( obfName );
+        }
+        
+        public void setFieldName( String obfName, String deobfName )
+        {
+                m_fieldsObfToDeobf.put( obfName, deobfName );
+        }
+        
+        public MethodIndex getMethodByObf( String obfName, String signature )
+        {
+                return m_methodsByObf.get( getMethodKey( obfName, signature ) );
+        }
+        
+        public MethodIndex getMethodByDeobf( String deobfName, String signature )
+        {
+                return m_methodsByDeobf.get( getMethodKey( deobfName, signature ) );
+        }
+        
+        private String getMethodKey( String name, String signature )
+        {
+                return name + signature;
+        }
+        
+        public void setMethodNameAndSignature( String obfName, String obfSignature, String deobfName, String deobfSignature )
+        {
+                if( deobfName == null )
+                {
+                        throw new IllegalArgumentException( "deobf name cannot be null!" );
+                }
+                
+                MethodIndex methodIndex = m_methodsByObf.get( getMethodKey( obfName, obfSignature ) );
+                if( methodIndex == null )
+                {
+                        methodIndex = createMethodIndex( obfName, obfSignature );
+                }
+                
+                m_methodsByDeobf.remove( getMethodKey( methodIndex.getDeobfName(), methodIndex.getDeobfSignature() ) );
+                methodIndex.setDeobfName( deobfName );
+                methodIndex.setDeobfSignature( deobfSignature );
+                m_methodsByDeobf.put( getMethodKey( deobfName, deobfSignature ), methodIndex );
+        }
+        
+        public void updateDeobfMethodSignatures( Translator translator )
+        {
+                for( MethodIndex methodIndex : m_methodsByObf.values() )
+                {
+                        methodIndex.setDeobfSignature( translator.translateSignature( methodIndex.getObfSignature() ) );
+                }
+        }
+
+        public void setArgumentName( String obfMethodName, String obfMethodSignature, int index, String obfName, String deobfName )
+        {
+                if( deobfName == null )
+                {
+                        throw new IllegalArgumentException( "deobf name cannot be null!" );
+                }
+                
+                MethodIndex methodIndex = m_methodsByObf.get( getMethodKey( obfMethodName, obfMethodSignature ) );
+                if( methodIndex == null )
+                {
+                        methodIndex = createMethodIndex( obfMethodName, obfMethodSignature );
+                }
+                methodIndex.setArgumentName( index, obfName, deobfName );
+        }
+
+        private MethodIndex createMethodIndex( String obfName, String obfSignature )
+        {
+                MethodIndex methodIndex = new MethodIndex( obfName, obfSignature, obfName, obfSignature );
+                String key = getMethodKey( obfName, obfSignature );
+                m_methodsByObf.put( key, methodIndex );
+                m_methodsByDeobf.put( key, methodIndex );
+                return methodIndex;
+        }
+
+        @Override
+        public String toString( )
+        {
+                StringBuilder buf = new StringBuilder();
+                buf.append( m_obfName );
+                buf.append( " <-> " );
+                buf.append( m_deobfName );
+                buf.append( "\n" );
+                buf.append( "Fields:\n" );
+                for( Map.Entry<String,String> entry : m_fieldsObfToDeobf.entrySet() )
+                {
+                        buf.append( "\t" );
+                        buf.append( entry.getKey() );
+                        buf.append( " <-> " );
+                        buf.append( entry.getValue() );
+                        buf.append( "\n" );
+                }
+                buf.append( "Methods:\n" );
+                for( MethodIndex methodIndex : m_methodsByObf.values() )
+                {
+                        buf.append( methodIndex.toString() );
+                        buf.append( "\n" );
+                }
+                return buf.toString();
+        }
+}