好像修好了？

src/data.rs

@@ -26,7 +26,7 @@ pub enum NbtList {
     IntArray(Rc<RefCell<Vec<i32>>>),
     LongArray(Rc<RefCell<Vec<i64>>>),
     List(Rc<RefCell<Vec<NbtItem>>>),
-    Compound(Rc<RefCell<HashMap<Arc<str>, NbtItem>>>),
+    Compound(Arc<str>, Rc<RefCell<HashMap<Arc<str>, NbtItem>>>),
 }
 
 /// 基本 NBT 数据类型
@@ -85,9 +85,11 @@ impl From<Vec<NbtItem>> for NbtItem {
     fn from(value: Vec<NbtItem>) -> Self { Self::Array(NbtList::from(value)) }
 }
 
-impl From<HashMap<Arc<str>, NbtItem>> for NbtItem {
+type Compound = (Arc<str>, HashMap<Arc<str>, NbtItem>);
+
+impl From<Compound> for NbtItem {
     #[inline]
-    fn from(value: HashMap<Arc<str>, NbtItem>) -> Self { Self::Array(NbtList::from(value)) }
+    fn from(value: Compound) -> Self { Self::Array(NbtList::from(value)) }
 }
 
 impl From<Vec<bool>> for NbtItem {
@@ -110,10 +112,10 @@ impl From<Vec<NbtItem>> for NbtList {
     fn from(value: Vec<NbtItem>) -> Self { Self::List(Rc::new(RefCell::new(value))) }
 }
 
-impl From<HashMap<Arc<str>, NbtItem>> for NbtList {
+impl From<Compound> for NbtList {
     #[inline]
-    fn from(value: HashMap<Arc<str>, NbtItem>) -> Self {
-        Self::Compound(Rc::new(RefCell::new(value)))
+    fn from(value: Compound) -> Self {
+        Self::Compound(value.0, Rc::new(RefCell::new(value.1)))
     }
 }
 

src/main.rs

@@ -5,19 +5,22 @@ mod read;
 
 fn main() {
     println!("Hello, world!");
+    small_read_test();
     big_read_test();
 }
 
 // bincode-org/bincode: A binary encoder / decoder implementation in Rust.
 // https://github.com/bincode-org/bincode
 
-fn big_read_test() {
+fn small_read_test() {
     let data: [u8; 0x21] = [
         0x0A, 0x00, 0x0B, 0x68, 0x65, 0x6C, 0x6C, 0x6F, 0x20, 0x77, 0x6F, 0x72, 0x6C, 0x64, 0x08, 0x00,
         0x04, 0x6E, 0x61, 0x6D, 0x65, 0x00, 0x09, 0x42, 0x61, 0x6E, 0x61, 0x6E, 0x72, 0x61, 0x6D, 0x61,
         0x00];
     read_test(&data);
+}
 
+fn big_read_test() {
     let data: [u8; 0x608] = [
     0x0A, 0x00, 0x05, 0x4C, 0x65, 0x76, 0x65, 0x6C, 0x04, 0x00, 0x08, 0x6C, 0x6F, 0x6E, 0x67, 0x54,
     0x65, 0x73, 0x74, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x02, 0x00, 0x09, 0x73, 0x68,

src/read.rs

@@ -165,20 +165,20 @@ pub mod read_data {
         // loop 读取长度 name len name value value
         // 直到一个 End
         #[cfg(feature = "debug")]
-        println!("reading compound {} bytes", value.position());
+        println!("compound at {} bytes", value.position());
         let mut map: HashMap<Arc<str>, NbtItem> = HashMap::new();
         loop {
-            // 读取 name
-            // 直接调之前的方法读
-            let name = NbtValue::from_string(value).as_string().unwrap();
             let mut type_tag = [0_u8; 1];
             _ = value.read(&mut type_tag).unwrap();
-            #[cfg(feature = "debug")]
-            println!("compound type tag {:?} with name: {:?}", type_tag, name);
             if type_tag == [0x00] {
                 // End
                 break;
             }
+            // 读取 name
+            // 直接调之前的方法读
+            let name = NbtValue::from_string(value).as_string().unwrap();
+            #[cfg(feature = "debug")]
+            println!("compound type tag {:?} with name: {:?}", type_tag, name);
             // 读取 value
             let nbt_value: NbtItem = match type_tag {
                 [0x01] => NbtItem::Value(NbtValue::from_bool(value)),
@@ -190,7 +190,16 @@ pub mod read_data {
                 [0x07] => NbtItem::from(from_bool_array(value)),
                 [0x08] => NbtItem::Value(NbtValue::from_string(value)),
                 [0x09] => NbtItem::from(from_nbt_list(value)),
-                [0x0A] => NbtItem::from(from_compound(value)),
+                [0x0A] => {
+                    let item = match from_compound(value) {
+                        NbtList::Compound(mut get_name, item) => {
+                            get_name = name.clone();
+                            NbtList::Compound(get_name, item)
+                        },
+                        _ => panic!("WTF")
+                    };
+                    NbtItem::from(item)
+                },
                 [0x0B] => NbtItem::from(from_i32_array(value)),
                 [0x0C] => NbtItem::from(from_i64_array(value)),
                 _ => {
@@ -210,7 +219,7 @@ pub mod read_data {
             #[cfg(feature = "debug")]
             println!("compound: {:?}", map);
         }
-        NbtList::from(map)
+        NbtList::from((Arc::from(""), map))
     }
 }
 
@@ -276,6 +285,13 @@ impl TryFrom<Cursor<&[u8]>> for NbtItem {
                     break;
                 }
                 NbtStatus::Going(item) => {
+                    let item = match item {
+                        NbtItem::Array(NbtList::Compound(mut get_name, map)) => {
+                            get_name = name;
+                            NbtItem::Array(NbtList::Compound(get_name, map))
+                        }
+                        _ => item,
+                    };
                     items.push(item);
                     if !value.has_data_left().unwrap() {
                         break;