Implement Enigma directory format (#1)

Others changes:
~ Rework File menu
~ Force UTF-8 for all I/O operations
~ Enigma now detect the original file format and use the correct one when you save a mapping

1 files changed, 137 insertions, 0 deletions

diff --git a/src/main/java/cuchaz/enigma/mapping/MappingsEnigmaWriter.java b/src/main/java/cuchaz/enigma/mapping/MappingsEnigmaWriter.java
new file mode 100644
index 0000000..a3b0616
--- /dev/null
+++ b/src/main/java/cuchaz/enigma/mapping/MappingsEnigmaWriter.java
@@ -0,0 +1,137 @@
+/*******************************************************************************
+ * 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())) {
+                        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 empty directories
+                File[] fileList = target.listFiles();
+                if (fileList != null)
+                {
+                        for (File file : fileList)
+                        {
+                                if (file.isDirectory())
+                                {
+                                        File[] childFiles = file.listFiles();
+                                        if (childFiles != null && childFiles.length == 0)
+                                                file.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\n", getIndent(depth), classMapping.getObfFullName());
+                } else {
+                        out.format("%sCLASS %s %s\n", getIndent(depth), classMapping.getObfFullName(), classMapping.getDeobfName());
+                }
+                
+                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 {
+                out.format("%sFIELD %s %s %s\n", getIndent(depth), fieldMapping.getObfName(), fieldMapping.getDeobfName(), fieldMapping.getObfType().toString());
+        }
+        
+        private void write(PrintWriter out, MethodMapping methodMapping, int depth) throws IOException {
+                if (methodMapping.getDeobfName() == null) {
+                        out.format("%sMETHOD %s %s\n", getIndent(depth), methodMapping.getObfName(), methodMapping.getObfSignature());
+                } else {
+                        out.format("%sMETHOD %s %s %s\n", getIndent(depth), methodMapping.getObfName(), methodMapping.getDeobfName(), methodMapping.getObfSignature());
+                }
+                
+                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();
+        }
+}