Expose a parent tag type value

lib/nbt/Tag.dart

@@ -147,6 +147,13 @@ abstract class Tag {
   }
 
   TagType getTagType();
+  TagType _parentTagType = TagType.End;
+
+  TagType get parentTagType => _parentTagType;
+  void setParentTagType(TagType type) {
+    _parentTagType = type;
+  }
+
   void writeValue(ByteLayer data);
   void readValue(ByteLayer data);
   String? _key;

lib/nbt/impl/CompoundTag.dart

@@ -20,6 +20,7 @@ class CompoundTag extends Tag implements Map<String, Tag> {
         return;
       }
 
+      tag.setParentTagType(TagType.Compound);
       put(tag.getKey(), tag);
 /*
       if (tag.getTagType() != TagType.Compound &&
@@ -46,6 +47,7 @@ class CompoundTag extends Tag implements Map<String, Tag> {
   void put(String name, Tag tag) {
     value[name] = tag;
     tag.setKey(name);
+    tag.setParentTagType(TagType.Compound);
   }
 
   Tag? get(String name) {
@@ -104,16 +106,19 @@ class CompoundTag extends Tag implements Map<String, Tag> {
   @override
   void operator []=(String key, Tag value) {
     this.value[key] = value;
+    value.setParentTagType(TagType.Compound);
   }
 
   @override
   void addAll(Map<String, Tag> other) {
     value.addAll(other);
+    updateParent();
   }
 
   @override
   void addEntries(Iterable<MapEntry<String, Tag>> newEntries) {
     value.addEntries(newEntries);
+    updateParent();
   }
 
   @override
@@ -123,9 +128,22 @@ class CompoundTag extends Tag implements Map<String, Tag> {
 
   @override
   void clear() {
+    unsetParent();
     value.clear();
   }
 
+  void updateParent() {
+    for (MapEntry<String, Tag> Entries in value.entries) {
+      Entries.value.setParentTagType(TagType.Compound);
+    }
+  }
+
+  void unsetParent() {
+    for (MapEntry<String, Tag> Entries in value.entries) {
+      Entries.value.setParentTagType(TagType.End);
+    }
+  }
+
   @override
   bool containsKey(Object? key) {
     return value.containsKey(key);
@@ -164,11 +182,15 @@ class CompoundTag extends Tag implements Map<String, Tag> {
 
   @override
   Tag putIfAbsent(String key, Tag Function() ifAbsent) {
-    return this.value.putIfAbsent(key, ifAbsent);
+    Tag X = this.value.putIfAbsent(key, ifAbsent);
+    updateParent();
+    return X;
   }
 
   @override
   Tag? remove(Object? key) {
+    if (key is Tag && value.containsKey(key))
+      (key as Tag).setParentTagType(TagType.End);
     return value.remove(key);
   }
 

lib/nbt/impl/ListTag.dart

@@ -40,6 +40,7 @@ class ListTag extends Tag {
     }
     if (type == TagType.End || type == tag.getTagType()) {
       value.add(tag);
+      tag.setParentTagType(TagType.List);
     }
   }
 

pubspec.yaml

@@ -1,6 +1,6 @@
 name: libac_dart
 description: "Aria's Creations code library"
-version: 1.0.32
+version: 1.0.33
 homepage: "https://zontreck.com"