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/*******************************************************************************
* Copyright (c) 2015 Jeff Martin.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Lesser General Public
* License v3.0 which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/lgpl.html
* <p>
* Contributors:
* Jeff Martin - initial API and implementation
******************************************************************************/
package cuchaz.enigma.mapping;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.common.collect.Sets;
import cuchaz.enigma.analysis.TranslationIndex;
import cuchaz.enigma.throwables.MappingConflict;
import java.io.File;
import java.io.IOException;
import java.util.*;
public class Mappings {
private final FormatType originMapping;
protected Map<String, ClassMapping> classesByObf;
protected Map<String, ClassMapping> classesByDeobf;
private Mappings previousState;
public Mappings() {
this(FormatType.ENIGMA_DIRECTORY);
}
public Mappings(FormatType originMapping) {
this.originMapping = originMapping;
this.classesByObf = Maps.newHashMap();
this.classesByDeobf = Maps.newHashMap();
}
public Collection<ClassMapping> classes() {
assert (this.classesByObf.size() >= this.classesByDeobf.size());
return this.classesByObf.values();
}
public void addClassMapping(ClassMapping classMapping) throws MappingConflict {
if (this.classesByObf.containsKey(classMapping.getObfFullName())) {
throw new MappingConflict("class", classMapping.getObfFullName(), this.classesByObf.get(classMapping.getObfFullName()).getObfFullName());
}
this.classesByObf.put(classMapping.getObfFullName(), classMapping);
if (classMapping.getDeobfName() != null) {
if (this.classesByDeobf.containsKey(classMapping.getDeobfName())) {
throw new MappingConflict("class", classMapping.getDeobfName(), this.classesByDeobf.get(classMapping.getDeobfName()).getDeobfName());
}
this.classesByDeobf.put(classMapping.getDeobfName(), classMapping);
}
}
public void removeClassMapping(ClassMapping classMapping) {
boolean obfWasRemoved = this.classesByObf.remove(classMapping.getObfFullName()) != null;
assert (obfWasRemoved);
if (classMapping.getDeobfName() != null) {
boolean deobfWasRemoved = this.classesByDeobf.remove(classMapping.getDeobfName()) != null;
assert (deobfWasRemoved);
}
}
public ClassMapping getClassByObf(ClassEntry entry) {
return getClassByObf(entry.getName());
}
public ClassMapping getClassByObf(String obfName) {
return this.classesByObf.get(obfName);
}
public ClassMapping getClassByDeobf(ClassEntry entry) {
return getClassByDeobf(entry.getName());
}
public ClassMapping getClassByDeobf(String deobfName) {
return this.classesByDeobf.get(deobfName);
}
public void setClassDeobfName(ClassMapping classMapping, String deobfName) {
if (classMapping.getDeobfName() != null) {
boolean wasRemoved = this.classesByDeobf.remove(classMapping.getDeobfName()) != null;
assert (wasRemoved);
}
classMapping.setDeobfName(deobfName);
if (deobfName != null) {
boolean wasAdded = this.classesByDeobf.put(deobfName, classMapping) == null;
assert (wasAdded);
}
}
public Translator getTranslator(TranslationDirection direction, TranslationIndex index) {
switch (direction) {
case Deobfuscating:
return new Translator(direction, this.classesByObf, index);
case Obfuscating:
// fill in the missing deobf class entries with obf entries
Map<String, ClassMapping> classes = Maps.newHashMap();
for (ClassMapping classMapping : classes()) {
if (classMapping.getDeobfName() != null) {
classes.put(classMapping.getDeobfName(), classMapping);
} else {
classes.put(classMapping.getObfFullName(), classMapping);
}
}
// translate the translation index
// NOTE: this isn't actually recursive
TranslationIndex deobfIndex = new TranslationIndex(index, getTranslator(TranslationDirection.Deobfuscating, index));
return new Translator(direction, classes, deobfIndex);
default:
throw new Error("Invalid translation direction!");
}
}
@Override
public String toString() {
StringBuilder buf = new StringBuilder();
for (ClassMapping classMapping : this.classesByObf.values()) {
buf.append(classMapping);
buf.append("\n");
}
return buf.toString();
}
public void renameObfClass(String oldObfName, String newObfName) {
new ArrayList<>(classes()).stream().filter(classMapping -> classMapping.renameObfClass(oldObfName, newObfName)).forEach(classMapping -> {
boolean wasRemoved = this.classesByObf.remove(oldObfName) != null;
assert (wasRemoved);
boolean wasAdded = this.classesByObf.put(newObfName, classMapping) == null;
assert (wasAdded);
});
}
public Set<String> getAllObfClassNames() {
final Set<String> classNames = Sets.newHashSet();
for (ClassMapping classMapping : classes()) {
// add the class name
classNames.add(classMapping.getObfFullName());
// add classes from method signatures
for (MethodMapping methodMapping : classMapping.methods()) {
for (Type type : methodMapping.getObfSignature().types()) {
if (type.hasClass()) {
classNames.add(type.getClassEntry().getClassName());
}
}
}
}
return classNames;
}
public boolean containsDeobfClass(String deobfName) {
return this.classesByDeobf.containsKey(deobfName);
}
public boolean containsDeobfField(ClassEntry obfClassEntry, String deobfName, Type obfType) {
ClassMapping classMapping = this.classesByObf.get(obfClassEntry.getName());
return classMapping != null && classMapping.containsDeobfField(deobfName, obfType);
}
public boolean containsDeobfField(ClassEntry obfClassEntry, String deobfName) {
ClassMapping classMapping = this.classesByObf.get(obfClassEntry.getName());
if (classMapping != null)
for (FieldMapping fieldMapping : classMapping.fields())
if (deobfName.equals(fieldMapping.getDeobfName()) || deobfName.equals(fieldMapping.getObfName()))
return true;
return false;
}
public boolean containsDeobfMethod(ClassEntry obfClassEntry, String deobfName, Signature obfSignature) {
ClassMapping classMapping = this.classesByObf.get(obfClassEntry.getName());
return classMapping != null && classMapping.containsDeobfMethod(deobfName, obfSignature);
}
public boolean containsArgument(BehaviorEntry obfBehaviorEntry, String name) {
ClassMapping classMapping = this.classesByObf.get(obfBehaviorEntry.getClassName());
return classMapping != null && classMapping.containsArgument(obfBehaviorEntry, name);
}
public List<ClassMapping> getClassMappingChain(ClassEntry obfClass) {
List<ClassMapping> mappingChain = Lists.newArrayList();
ClassMapping classMapping = null;
for (ClassEntry obfClassEntry : obfClass.getClassChain()) {
if (mappingChain.isEmpty()) {
classMapping = this.classesByObf.get(obfClassEntry.getName());
} else if (classMapping != null) {
classMapping = classMapping.getInnerClassByObfSimple(obfClassEntry.getInnermostClassName());
}
mappingChain.add(classMapping);
}
return mappingChain;
}
public FormatType getOriginMappingFormat() {
return originMapping;
}
public void savePreviousState() {
this.previousState = new Mappings(this.originMapping);
this.previousState.classesByDeobf = Maps.newHashMap(this.classesByDeobf);
this.previousState.classesByObf = Maps.newHashMap(this.classesByObf);
classesByDeobf.values().forEach(ClassMapping::resetDirty);
classesByObf.values().forEach(ClassMapping::resetDirty);
}
public void saveEnigmaMappings(File file, boolean isDirectoryFormat) throws IOException {
new MappingsEnigmaWriter().write(file, this, isDirectoryFormat);
this.savePreviousState();
}
public void saveSRGMappings(File file) throws IOException {
new MappingsSRGWriter().write(file, this);
}
public Mappings getPreviousState() {
return previousState;
}
public enum FormatType {
ENIGMA_FILE, ENIGMA_DIRECTORY, TINY_FILE, SRG_FILE
}
public enum EntryModifier {
UNCHANGED, PUBLIC, PROTECTED, PRIVATE;
public String getFormattedName() {
return " ACC:" + super.toString();
}
}
}
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