refactor: refactor EnumsMigration but not finished

Assets/CodeGen/EnumsMigration/EnumsAnalyzer/JsonWriter.java

@@ -0,0 +1,73 @@
+import java.io.OutputStreamWriter;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonObject;
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+
+public class JsonWriter {
+
+	private static JsonObject writeBEnumEntry(EnumsHelper.BEnumEntry enumEntry) {
+		JsonObject data = new JsonObject();
+		data.addProperty("name", enumEntry.mEntryName);
+		data.addProperty("value", enumEntry.mEntryValue);
+		data.addProperty("comment", enumEntry.mEntryComment);
+
+		// Export hierarchy if possible
+		if (enumEntry instanceof EnumsHelper.BHierarchyEnumEntry hierarchyEnumEntry) {
+			// We only export name in hierarchy.
+			// Otherwise we may cause recursive calling.
+			JsonArray entries = new JsonArray();
+			for (EnumsHelper.BHierarchyEnumEntry subEntry : hierarchyEnumEntry.mHierarchy) {
+				entries.add(subEntry.mEntryName);
+			}
+			data.add("hierarchy", entries);
+		}
+
+		return data;
+	}
+
+	private static JsonObject writeBEnum(EnumsHelper.BEnum benum) {
+		JsonObject data = new JsonObject();
+		data.addProperty("name", benum.mEnumName);
+		data.addProperty("comment", benum.mEnumComment);
+		data.addProperty("can_unsigned", benum.mCanUnsigned);
+		data.addProperty("use_flags", benum.mUseFlags);
+		data.addProperty("use_flags", benum.mUseFlags);
+
+		JsonArray entries = new JsonArray();
+		for (EnumsHelper.BEnumEntry enumEntry : benum.mEntries) {
+			entries.add(writeBEnumEntry(enumEntry));
+		}
+		data.add("entries", entries);
+
+		return data;
+	}
+
+	private static JsonArray writeBEnumCollection(EnumsHelper.BEnumCollection enumCollection) {
+		JsonArray data = new JsonArray();
+		for (EnumsHelper.BEnum benum : enumCollection.mEnums) {
+			data.add(writeBEnum(benum));
+		}
+		return data;
+	}
+
+	private static void writeJson(String filename, EnumsHelper.BEnumCollection enumCollection) throws Exception {
+		OutputStreamWriter writer = CommonHelper.openOutputFile(filename);
+		//Gson gsonInstance = new GsonBuilder().setPrettyPrinting().disableHtmlEscaping().create();
+		Gson gsonInstance = new GsonBuilder().disableHtmlEscaping().create();
+		writer.write(gsonInstance.toJson(writeBEnumCollection(enumCollection)));
+		writer.close();
+	}
+
+	public static void writeEnums(String filename, EnumsHelper.BEnumCollection enumCollection) throws Exception {
+		writeJson(filename, enumCollection);
+	}
+
+	public static void writeEnum(String filename, EnumsHelper.BEnum benum) throws Exception {
+		// Build collection manually.
+		EnumsHelper.BEnumCollection collection = new EnumsHelper.BEnumCollection();
+		collection.mEnums.add(benum);
+		// Call underlying writer
+		writeEnums(filename, collection);
+	}
+}