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package cuchaz.enigma.mapping;
import java.util.List;
import javassist.CtBehavior;
import javassist.CtClass;
import javassist.CtConstructor;
import javassist.CtField;
import javassist.CtMethod;
import javassist.bytecode.Descriptor;
import javassist.expr.ConstructorCall;
import javassist.expr.FieldAccess;
import javassist.expr.MethodCall;
import javassist.expr.NewExpr;
import com.beust.jcommander.internal.Lists;
import com.strobel.assembler.metadata.MethodDefinition;
import cuchaz.enigma.analysis.JarIndex;
public class EntryFactory {
public static ClassEntry getClassEntry(CtClass c) {
return new ClassEntry(Descriptor.toJvmName(c.getName()));
}
public static ClassEntry getObfClassEntry(JarIndex jarIndex, ClassMapping classMapping) {
return new ClassEntry(getChainedOuterClassName(jarIndex, classMapping.getObfName()));
}
private static String getChainedOuterClassName(JarIndex jarIndex, String obfClassName) {
// lookup the chain of outer classes
List<String> obfOuterClassNames = Lists.newArrayList();
String checkName = obfClassName;
while (true) {
// if this class name has a package, then it can't be an inner class
if (!new ClassEntry(checkName).isInDefaultPackage()) {
break;
}
String obfOuterClassName = jarIndex.getOuterClass(checkName);
if (obfOuterClassName != null) {
obfOuterClassNames.add(obfOuterClassName);
checkName = obfOuterClassName;
} else {
break;
}
}
// build the chained class name
StringBuilder buf = new StringBuilder();
for (int i=obfOuterClassNames.size()-1; i>=0; i--) {
buf.append(obfOuterClassNames.get(i));
buf.append("$");
}
buf.append(obfClassName);
return buf.toString();
}
public static ClassEntry getDeobfClassEntry(ClassMapping classMapping) {
return new ClassEntry(classMapping.getDeobfName());
}
public static ClassEntry getSuperclassEntry(CtClass c) {
return new ClassEntry(Descriptor.toJvmName(c.getClassFile().getSuperclass()));
}
public static FieldEntry getFieldEntry(CtField field) {
return new FieldEntry(
getClassEntry(field.getDeclaringClass()),
field.getName(),
new Type(field.getFieldInfo().getDescriptor())
);
}
public static FieldEntry getFieldEntry(FieldAccess call) {
return new FieldEntry(
new ClassEntry(Descriptor.toJvmName(call.getClassName())),
call.getFieldName(),
new Type(call.getSignature())
);
}
public static MethodEntry getMethodEntry(CtMethod method) {
return new MethodEntry(
getClassEntry(method.getDeclaringClass()),
method.getName(),
new Signature(method.getMethodInfo().getDescriptor())
);
}
public static MethodEntry getMethodEntry(MethodCall call) {
return new MethodEntry(
new ClassEntry(Descriptor.toJvmName(call.getClassName())),
call.getMethodName(),
new Signature(call.getSignature())
);
}
public static MethodEntry getMethodEntry(MethodDefinition def) {
return new MethodEntry(
new ClassEntry(def.getDeclaringType().getInternalName()),
def.getName(),
new Signature(def.getSignature())
);
}
public static ConstructorEntry getConstructorEntry(CtConstructor constructor) {
if (constructor.isClassInitializer()) {
return new ConstructorEntry(
getClassEntry(constructor.getDeclaringClass())
);
} else {
return new ConstructorEntry(
getClassEntry(constructor.getDeclaringClass()),
new Signature(constructor.getMethodInfo().getDescriptor())
);
}
}
public static ConstructorEntry getConstructorEntry(ConstructorCall call) {
return new ConstructorEntry(
new ClassEntry(Descriptor.toJvmName(call.getClassName())),
new Signature(call.getSignature())
);
}
public static ConstructorEntry getConstructorEntry(NewExpr call) {
return new ConstructorEntry(
new ClassEntry(Descriptor.toJvmName(call.getClassName())),
new Signature(call.getSignature())
);
}
public static ConstructorEntry getConstructorEntry(MethodDefinition def) {
if (def.isTypeInitializer()) {
return new ConstructorEntry(
new ClassEntry(def.getDeclaringType().getInternalName())
);
} else {
return new ConstructorEntry(
new ClassEntry(def.getDeclaringType().getInternalName()),
new Signature(def.getSignature())
);
}
}
public static BehaviorEntry getBehaviorEntry(CtBehavior behavior) {
if (behavior instanceof CtMethod) {
return getMethodEntry((CtMethod)behavior);
} else if (behavior instanceof CtConstructor) {
return getConstructorEntry((CtConstructor)behavior);
}
throw new Error("behavior is neither Method nor Constructor!");
}
public static BehaviorEntry getBehaviorEntry(String className, String behaviorName, String behaviorSignature) {
return getBehaviorEntry(new ClassEntry(className), behaviorName, new Signature(behaviorSignature));
}
public static BehaviorEntry getBehaviorEntry(ClassEntry classEntry, String behaviorName, Signature behaviorSignature) {
if (behaviorName.equals("<init>")) {
return new ConstructorEntry(classEntry, behaviorSignature);
} else if(behaviorName.equals("<clinit>")) {
return new ConstructorEntry(classEntry);
} else {
return new MethodEntry(classEntry, behaviorName, behaviorSignature);
}
}
public static BehaviorEntry getBehaviorEntry(MethodDefinition def) {
if (def.isConstructor() || def.isTypeInitializer()) {
return getConstructorEntry(def);
} else {
return getMethodEntry(def);
}
}
public static BehaviorEntry getObfBehaviorEntry(ClassEntry classEntry, MethodMapping methodMapping) {
return getBehaviorEntry(classEntry, methodMapping.getObfName(), methodMapping.getObfSignature());
}
}
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