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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
*
* Contributors:
* Jeff Martin - initial API and implementation
******************************************************************************/
package cuchaz.enigma.mapping;
import com.google.common.base.Charsets;
import java.io.*;
import java.util.*;
public class MappingsEnigmaWriter {
public void write(File out, Mappings mappings, boolean isDirectoryFormat) throws IOException {
if (!isDirectoryFormat) {
PrintWriter outputWriter = new PrintWriter(new OutputStreamWriter(new FileOutputStream(out), Charsets.UTF_8));
write(outputWriter, mappings);
outputWriter.close();
} else
writeAsDirectory(out, mappings);
}
public void writeAsDirectory(File target, Mappings mappings) throws IOException {
if (!target.exists() && !target.mkdirs())
throw new IOException("Cannot create mapping directory!");
Mappings previousState = mappings.getPreviousState();
for (ClassMapping classMapping : sorted(mappings.classes())) {
if (!classMapping.isDirty()) {
continue;
}
if (previousState != null) {
ClassMapping previousClass = previousState.classesByObf.get(classMapping.getObfFullName());
if (previousClass != null) {
File previousFile = new File(target, previousClass.getSaveName() + ".mapping");
if (previousFile.exists() && !previousFile.delete()) {
System.err.println("Failed to delete old class mapping " + previousFile.getName());
}
}
}
File result = new File(target, classMapping.getSaveName() + ".mapping");
File packageFile = result.getParentFile();
if (!packageFile.exists()) {
packageFile.mkdirs();
}
result.createNewFile();
try (PrintWriter outputWriter = new PrintWriter(new BufferedWriter(new FileWriter(result)))) {
write(outputWriter, classMapping, 0);
}
}
// Remove dropped mappings
if (previousState != null) {
Set<ClassMapping> droppedClassMappings = new HashSet<>(previousState.classes());
droppedClassMappings.removeAll(mappings.classes());
for (ClassMapping droppedMapping : droppedClassMappings) {
File result = new File(target, droppedMapping.getSaveName() + ".mapping");
if (!result.exists()) {
continue;
}
if (!result.delete()) {
System.err.println("Failed to delete dropped class mapping " + result.getName());
}
}
}
}
public void write(PrintWriter out, Mappings mappings) throws IOException {
for (ClassMapping classMapping : sorted(mappings.classes())) {
write(out, classMapping, 0);
}
}
private void write(PrintWriter out, ClassMapping classMapping, int depth) throws IOException {
if (classMapping.getDeobfName() == null) {
out.format("%sCLASS %s%s\n", getIndent(depth), classMapping.getObfFullName(),
classMapping.getModifier() == Mappings.EntryModifier.UNCHANGED ? "" : classMapping.getModifier().getFormattedName());
} else {
out.format("%sCLASS %s %s%s\n", getIndent(depth), classMapping.getObfFullName(), classMapping.getDeobfName(),
classMapping.getModifier() == Mappings.EntryModifier.UNCHANGED ? "" : classMapping.getModifier().getFormattedName());
}
for (ClassMapping innerClassMapping : sorted(classMapping.innerClasses())) {
write(out, innerClassMapping, depth + 1);
}
for (FieldMapping fieldMapping : sorted(classMapping.fields())) {
write(out, fieldMapping, depth + 1);
}
for (MethodMapping methodMapping : sorted(classMapping.methods())) {
write(out, methodMapping, depth + 1);
}
}
private void write(PrintWriter out, FieldMapping fieldMapping, int depth) {
if (fieldMapping.getDeobfName() == null)
out.format("%sFIELD %s %s%s\n", getIndent(depth), fieldMapping.getObfName(), fieldMapping.getObfDesc().toString(),
fieldMapping.getModifier() == Mappings.EntryModifier.UNCHANGED ? "" : fieldMapping.getModifier().getFormattedName());
else
out.format("%sFIELD %s %s %s%s\n", getIndent(depth), fieldMapping.getObfName(), fieldMapping.getDeobfName(), fieldMapping.getObfDesc().toString(),
fieldMapping.getModifier() == Mappings.EntryModifier.UNCHANGED ? "" : fieldMapping.getModifier().getFormattedName());
}
private void write(PrintWriter out, MethodMapping methodMapping, int depth) throws IOException {
if (methodMapping.isObfuscated()) {
out.format("%sMETHOD %s %s%s\n", getIndent(depth), methodMapping.getObfName(), methodMapping.getObfDesc(),
methodMapping.getModifier() == Mappings.EntryModifier.UNCHANGED ? "" : methodMapping.getModifier().getFormattedName());
} else {
out.format("%sMETHOD %s %s %s%s\n", getIndent(depth), methodMapping.getObfName(), methodMapping.getDeobfName(), methodMapping.getObfDesc(),
methodMapping.getModifier() == Mappings.EntryModifier.UNCHANGED ? "" : methodMapping.getModifier().getFormattedName());
}
for (LocalVariableMapping localVariableMapping : sorted(methodMapping.arguments())) {
write(out, localVariableMapping, depth + 1);
}
}
private void write(PrintWriter out, LocalVariableMapping localVariableMapping, int depth) {
out.format("%sARG %d %s\n", getIndent(depth), localVariableMapping.getIndex(), localVariableMapping.getName());
}
private <T extends Comparable<T>> List<T> sorted(Iterable<T> classes) {
List<T> out = new ArrayList<>();
for (T t : classes) {
out.add(t);
}
Collections.sort(out);
return out;
}
private String getIndent(int depth) {
StringBuilder buf = new StringBuilder();
for (int i = 0; i < depth; i++) {
buf.append("\t");
}
return buf.toString();
}
}
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