Adds a base64 encode wrapper, and a way to encode NBT to Base64

lib/nbt/NbtIo.dart

@@ -1,6 +1,7 @@
 import 'package:libac_flutter/nbt/Stream.dart';
 import 'package:libac_flutter/nbt/Tag.dart';
 import 'package:libac_flutter/nbt/impl/CompoundTag.dart';
+import 'package:libac_flutter/utils/Converter.dart';
 
 class NbtIo {
   static ByteLayer _io = ByteLayer();
@@ -49,4 +50,22 @@ class NbtIo {
   static ByteLayer getStream() {
     return _io;
   }
+
+  static Future<String> writeBase64String(CompoundTag tag) async {
+    _io = ByteLayer();
+    Tag.writeNamedTag(tag, _io);
+    _io.compress();
+    return base64Encoder.encode(_io.bytes);
+  }
+
+  static Future<CompoundTag> readBase64String(String encoded) async {
+    _io = ByteLayer();
+    List<int> bytes = base64Encoder.decode(encoded);
+    for (int byte in bytes) {
+      _io.writeByte(byte);
+    }
+    _io.decompress();
+    _io.resetPosition();
+    return Tag.readNamedTag(_io) as CompoundTag;
+  }
 }

lib/utils/Converter.dart

@@ -0,0 +1,12 @@
+import 'dart:convert';
+import 'dart:typed_data';
+
+class base64Encoder {
+  static String encode(List<int> value) {
+    return base64.encode(value);
+  }
+
+  static Uint8List decode(String value) {
+    return base64.decode(value);
+  }
+}

pubspec.yaml

@@ -1,6 +1,6 @@
 name: libac_flutter
 description: "Aria's Creations code library"
-version: 1.0.3
+version: 1.0.4
 homepage: "https://zontreck.com"
 
 environment: