Finish implementing - and testing SNBT

lib/nbt/Stream.dart

@@ -419,6 +419,9 @@ class StringReader {
   // Check if there's more to read
   bool get canRead => _position < _buffer.length;
 
+  // Get the number of chars seeked
+  int get getSeeked => _lastPostion - _position;
+
   // Read the next character
   String next() {
     if (canRead) {

lib/nbt/Tag.dart

@@ -44,6 +44,7 @@ enum TagType {
   static TagType getStringifiedTagType(StringReader reader) {
     reader.startSeek();
     TagType ret = TagType.End;
+    bool isNumber = true;
 
     // Start to determine the next tag type
     while (reader.canRead && ret == TagType.End) {
@@ -97,6 +98,11 @@ enum TagType {
             ret = TagType.Float;
             break;
           }
+        case "I":
+          {
+            ret = TagType.Int;
+            break;
+          }
         case "L":
           {
             ret = TagType.Long;
@@ -107,6 +113,26 @@ enum TagType {
             ret = TagType.Short;
             break;
           }
+        case "\"":
+          {
+            ret = TagType.String;
+            break;
+          }
+        case ",":
+        case "\n":
+          {
+            if (reader.getSeeked >= 1) ret = TagType.String;
+            if (isNumber) ret = TagType.Int;
+
+            break;
+          }
+        default:
+          {
+            if (!reader.isDigit(val)) {
+              if (isNumber) isNumber = false;
+            }
+            break;
+          }
       }
     }
 

lib/nbt/impl/ByteArrayTag.dart

@@ -56,6 +56,8 @@ class ByteArrayTag extends Tag {
   @override
   void readStringifiedValue(StringReader reader) {
     reader.expect("[");
+    reader.expect("B");
+    reader.expect(";");
     while (reader.peek() != "]") {
       value.add(int.parse(reader.readNumber()));
       reader.expect("b");

lib/nbt/impl/CompoundTag.dart

@@ -198,6 +198,8 @@ class CompoundTag extends Tag implements Map<String, Tag> {
     while (reader.peek() != "}") {
       Tag tag = Tag.readStringifiedNamedTag(reader);
       put(tag.getKey(), tag);
+
+      if (reader.peek() == ",") reader.next();
     }
 
     reader.expect("}");

lib/nbt/impl/IntArrayTag.dart

@@ -55,6 +55,8 @@ class IntArrayTag extends Tag {
   @override
   void readStringifiedValue(StringReader reader) {
     reader.expect("[");
+    reader.expect("I");
+    reader.expect(";");
     while (reader.peek() != "]") {
       value.add(int.parse(reader.readNumber()));
 

lib/nbt/impl/IntTag.dart

@@ -43,5 +43,11 @@ class IntTag extends Tag {
   void readStringifiedValue(StringReader reader) {
     String val = reader.readNumber();
     value = int.parse(val);
+
+    // Since a type indicator is optional for a int, check for a comma
+    if (reader.peek() == ",")
+      return;
+    else
+      reader.expect("i");
   }
 }

lib/nbt/impl/ListTag.dart

@@ -108,7 +108,10 @@ class ListTag extends Tag {
   void readStringifiedValue(StringReader reader) {
     reader.expect("[");
     while (reader.peek() != "]") {
-      value.add(Tag.readStringifiedNamedTag(reader));
+      TagType type = TagType.getStringifiedTagType(reader);
+      Tag newTag = Tag.makeTagOfType(type);
+      newTag.readStringifiedValue(reader);
+      add(newTag);
 
       if (reader.peek() == ",") reader.next();
     }

lib/nbt/impl/LongArrayTag.dart

@@ -59,6 +59,8 @@ class LongArrayTag extends Tag {
   @override
   void readStringifiedValue(StringReader reader) {
     reader.expect("[");
+    reader.expect("L");
+    reader.expect(";");
     while (reader.peek() != "]") {
       value.add(int.parse(reader.readNumber()));
       reader.expect("l");

lib/utils/IOTools.dart

@@ -15,7 +15,10 @@ class PathHelper {
   }
 
   bool exists() {
-    return File(build()).existsSync();
+    File fi = File(build());
+    Directory dir = Directory(build());
+
+    return fi.existsSync() || dir.existsSync();
   }
 
   PathHelper clone() {

test/nbt_test.dart

@@ -7,6 +7,7 @@ import 'package:libac_dart/nbt/Stream.dart';
 import 'package:libac_dart/nbt/Tag.dart';
 import 'package:libac_dart/nbt/impl/CompoundTag.dart';
 import 'package:libac_dart/nbt/impl/StringTag.dart';
+import 'package:libac_dart/utils/IOTools.dart';
 import 'package:libac_dart/utils/uuid/NbtUUID.dart';
 import 'package:libac_dart/utils/uuid/UUID.dart';
 import 'package:test/expect.dart';
@@ -85,7 +86,10 @@ void main() {
     SnbtIo.writeToFile(output, ct);
 
     // Expect that the file exists
-    expect(file.existsSync(), true);
+    PathHelper ph = PathHelper.builder(Directory.current.path)
+        .resolve("build")
+        .resolve("bigtest.snbt");
+    expect(ph.exists(), true);
   });
 
   test("Read BigTest from SNBT file", () async {
@@ -93,6 +97,7 @@ void main() {
         "${Directory.current.path}/build/bigtest.snbt") as CompoundTag;
 
     expect(tag.containsKey("stringTest"), true);
+    expect(tag.get("doubleTest")!.asDouble(), 0.4931287132182315);
   });
 
   test("Write NULL UUID to NBT", () async {