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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.ArrayList;
import java.util.Collections;
import java.util.List;
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!");
for (ClassMapping classMapping : sorted(mappings.classes())) {
if (!classMapping.isDirty())
continue;
this.deletePreviousClassMapping(target, classMapping);
File obFile = new File(target, classMapping.getObfFullName() + ".mapping");
File result;
if (classMapping.getDeobfName() == null)
result = obFile;
else
{
// Make sure that old version of the file doesn't exist
if (obFile.exists())
obFile.delete();
result = new File(target, classMapping.getDeobfName() + ".mapping");
}
if (!result.getParentFile().exists())
result.getParentFile().mkdirs();
result.createNewFile();
PrintWriter outputWriter = new PrintWriter(new OutputStreamWriter(new FileOutputStream(result), Charsets.UTF_8));
write(outputWriter, classMapping, 0);
outputWriter.close();
}
// Remove dropped mappings
List<ClassMapping> droppedClassMappings = new ArrayList<>(mappings.getPreviousState().classes());
List<ClassMapping> classMappings = new ArrayList<>(mappings.classes());
droppedClassMappings.removeAll(classMappings);
for (ClassMapping classMapping : droppedClassMappings)
{
File obFile = new File(target, classMapping.getObfFullName() + ".mapping");
File result;
if (classMapping.getDeobfName() == null)
result = obFile;
else
{
// Make sure that old version of the file doesn't exist
if (obFile.exists())
obFile.delete();
result = new File(target, classMapping.getDeobfName() + ".mapping");
}
if (result.exists())
result.delete();
}
}
private void deletePreviousClassMapping(File target, ClassMapping classMapping) {
File prevFile = null;
// Deob rename
if (classMapping.getDeobfName() != null && classMapping.getPreviousDeobfName() != null && !classMapping.getPreviousDeobfName().equals(classMapping.getDeobfName()))
{
prevFile = new File(target, classMapping.getPreviousDeobfName() + ".mapping");
}
// Deob to ob rename
else if (classMapping.getDeobfName() == null && classMapping.getPreviousDeobfName() != null)
{
prevFile = new File(target, classMapping.getPreviousDeobfName() + ".mapping");
}
// Ob to Deob rename
else if (classMapping.getDeobfName() != null && classMapping.getPreviousDeobfName() == null)
{
prevFile = new File(target, classMapping.getObfFullName() + ".mapping");
}
if (prevFile != null && prevFile.exists())
prevFile.delete();
}
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) throws IOException {
if (fieldMapping.getDeobfName() == null)
out.format("%sFIELD %s %s%s\n", getIndent(depth), fieldMapping.getObfName(), fieldMapping.getObfType().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.getObfType().toString(), fieldMapping.getModifier() == Mappings.EntryModifier.UNCHANGED ? "" : fieldMapping.getModifier().getFormattedName());
}
private void write(PrintWriter out, MethodMapping methodMapping, int depth) throws IOException {
if (methodMapping.getDeobfName() == null) {
out.format("%sMETHOD %s %s%s\n", getIndent(depth), methodMapping.getObfName(), methodMapping.getObfSignature(), methodMapping.getModifier() == Mappings.EntryModifier.UNCHANGED ? "" :methodMapping.getModifier().getFormattedName());
} else {
out.format("%sMETHOD %s %s %s%s\n", getIndent(depth), methodMapping.getObfName(), methodMapping.getDeobfName(), methodMapping.getObfSignature(), methodMapping.getModifier() == Mappings.EntryModifier.UNCHANGED ? "" : methodMapping.getModifier().getFormattedName());
}
for (ArgumentMapping argumentMapping : sorted(methodMapping.arguments())) {
write(out, argumentMapping, depth + 1);
}
}
private void write(PrintWriter out, ArgumentMapping argumentMapping, int depth) throws IOException {
out.format("%sARG %d %s\n", getIndent(depth), argumentMapping.getIndex(), argumentMapping.getName());
}
private <T extends Comparable<T>> List<T> sorted(Iterable<T> classes) {
List<T> out = new ArrayList<T>();
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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