Fix #6, testsuite implemented.

lib/nbt/impl/ByteArrayTag.dart

@@ -34,4 +34,16 @@ class ByteArrayTag extends Tag {
   TagType getTagType() {
     return TagType.ByteArray;
   }
+
+  @override
+  void prettyPrint(int indent, bool recurse) {
+    String array = "";
+    for (int b in value) {
+      array += "${b}, ";
+    }
+    array = array.substring(0, array.length - 2);
+
+    print(
+        "${"".padLeft(indent, '\t')}${Tag.getCanonicalName(getTagType())}: [${array}]");
+  }
 }

lib/nbt/impl/ByteTag.dart

@@ -28,4 +28,10 @@ class ByteTag extends Tag {
   TagType getTagType() {
     return TagType.Byte;
   }
+
+  @override
+  void prettyPrint(int indent, bool recurse) {
+    print(
+        "${"".padLeft(indent, '\t')}${Tag.getCanonicalName(getTagType())}: ${value}");
+  }
 }

lib/nbt/impl/CompoundTag.dart

@@ -10,13 +10,24 @@ class CompoundTag extends Tag {
   void readValue(ByteLayer data) {
     value.clear();
 
+    NBTAccountant.visitTag();
+    NBTAccountant.printRead(this);
+
     while (true) {
       Tag tag = Tag.readNamedTag(data);
       if (tag.getType() == 0) {
+        NBTAccountant.leaveTag(this);
         return;
       }
 
       put(tag.getKey(), tag);
+
+      if (tag.getTagType() != TagType.Compound &&
+          tag.getTagType() != TagType.List) {
+        NBTAccountant.visitTag();
+        NBTAccountant.printRead(tag);
+        NBTAccountant.leaveTag(tag);
+      }
     }
   }
 
@@ -34,6 +45,7 @@ class CompoundTag extends Tag {
 
   void put(String name, Tag tag) {
     value[name] = tag;
+    tag.setKey(name);
   }
 
   bool contains(String name) {
@@ -57,4 +69,20 @@ class CompoundTag extends Tag {
   TagType getTagType() {
     return TagType.Compound;
   }
+
+  @override
+  void prettyPrint(int indent, bool recurse) {
+    print(
+        "${"".padLeft(indent, '\t')}${Tag.getCanonicalName(getTagType())}: [${value.length} entries]");
+    print("${"".padLeft(indent, '\t')}{");
+    if (recurse) {
+      for (Tag tag in value.values) {
+        tag.prettyPrint(indent + 1, true);
+      }
+    }
+  }
+
+  void endPrettyPrint(int indent) {
+    print("${"".padLeft(indent, '\t')}}");
+  }
 }

lib/nbt/impl/DoubleTag.dart

@@ -28,4 +28,10 @@ class DoubleTag extends Tag {
   TagType getTagType() {
     return TagType.Double;
   }
+
+  @override
+  void prettyPrint(int indent, bool recurse) {
+    print(
+        "${"".padLeft(indent, '\t')}${Tag.getCanonicalName(getTagType())}: ${value}");
+  }
 }

lib/nbt/impl/EndTag.dart

@@ -14,4 +14,9 @@ class EndTag extends Tag {
   TagType getTagType() {
     return TagType.End;
   }
+
+  @override
+  void prettyPrint(int indent, bool recurse) {
+    print("${"".padLeft(indent, '\t')}${Tag.getCanonicalName(getTagType())}");
+  }
 }

lib/nbt/impl/FloatTag.dart

@@ -27,4 +27,10 @@ class FloatTag extends Tag {
   TagType getTagType() {
     return TagType.Float;
   }
+
+  @override
+  void prettyPrint(int indent, bool recurse) {
+    print(
+        "${"".padLeft(indent, '\t')}${Tag.getCanonicalName(getTagType())}: ${value}");
+  }
 }

lib/nbt/impl/IntArrayTag.dart

@@ -29,4 +29,16 @@ class IntArrayTag extends Tag {
   TagType getTagType() {
     return TagType.IntArray;
   }
+
+  @override
+  void prettyPrint(int indent, bool recurse) {
+    String array = "";
+    for (int b in value) {
+      array += "${b}, ";
+    }
+    array = array.substring(0, array.length - 2);
+
+    print(
+        "${"".padLeft(indent, '\t')}${Tag.getCanonicalName(getTagType())}: [${array}]");
+  }
 }

lib/nbt/impl/IntTag.dart

@@ -27,4 +27,10 @@ class IntTag extends Tag {
   TagType getTagType() {
     return TagType.Int;
   }
+
+  @override
+  void prettyPrint(int indent, bool recurse) {
+    print(
+        "${"".padLeft(indent, '\t')}${Tag.getCanonicalName(getTagType())}: ${value}");
+  }
 }

lib/nbt/impl/ListTag.dart

@@ -62,4 +62,18 @@ class ListTag extends Tag {
   int size() {
     return value.length;
   }
+
+  @override
+  void prettyPrint(int indent, bool recurse) {
+    print(
+        "${"".padLeft(indent, '\t')}${Tag.getCanonicalName(getTagType())}: [${value.length} entries]");
+    print("${"".padLeft(indent, '\t')}[");
+    for (Tag tag in value) {
+      tag.prettyPrint(indent + 1, true);
+    }
+  }
+
+  void endPrettyPrint(int indent) {
+    print("${"".padLeft(indent, '\t')}]");
+  }
 }

lib/nbt/impl/LongArrayTag.dart

@@ -37,4 +37,16 @@ class LongArrayTag extends Tag {
   TagType getTagType() {
     return TagType.LongArray;
   }
+
+  @override
+  void prettyPrint(int indent, bool recurse) {
+    String array = "";
+    for (int b in value) {
+      array += "${b}, ";
+    }
+    array = array.substring(0, array.length - 2);
+
+    print(
+        "${"".padLeft(indent, '\t')}${Tag.getCanonicalName(getTagType())}: [${array}]");
+  }
 }

lib/nbt/impl/LongTag.dart

@@ -27,4 +27,10 @@ class LongTag extends Tag {
   TagType getTagType() {
     return TagType.Long;
   }
+
+  @override
+  void prettyPrint(int indent, bool recurse) {
+    print(
+        "${"".padLeft(indent, '\t')}${Tag.getCanonicalName(getTagType())}: ${value}");
+  }
 }

lib/nbt/impl/ShortTag.dart

@@ -27,4 +27,10 @@ class ShortTag extends Tag {
   TagType getTagType() {
     return TagType.Short;
   }
+
+  @override
+  void prettyPrint(int indent, bool recurse) {
+    print(
+        "${"".padLeft(indent, '\t')}${Tag.getCanonicalName(getTagType())}: ${value}");
+  }
 }

lib/nbt/impl/StringTag.dart

@@ -27,4 +27,10 @@ class StringTag extends Tag {
   TagType getTagType() {
     return TagType.String;
   }
+
+  @override
+  void prettyPrint(int indent, bool recurse) {
+    print(
+        "${"".padLeft(indent, '\t')}${Tag.getCanonicalName(getTagType())}: ${value}");
+  }
 }