From 5ca49e680ed8519456dc9a9af84321d4b69dcbb3 Mon Sep 17 00:00:00 2001
From: mat <github@matdoes.dev>
Date: Thu, 23 Jun 2022 15:12:17 -0500
Subject: azalea-buf

---
 azalea-buf/src/definitions.rs | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 azalea-buf/src/definitions.rs

(limited to 'azalea-buf/src/definitions.rs')

diff --git a/azalea-buf/src/definitions.rs b/azalea-buf/src/definitions.rs
new file mode 100644
index 00000000..e5d8e0c0
--- /dev/null
+++ b/azalea-buf/src/definitions.rs
@@ -0,0 +1,39 @@
+use buf_macros::McBuf;
+use std::ops::Deref;
+
+/// A Vec<u8> that isn't prefixed by a VarInt with the size.
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct UnsizedByteArray(Vec<u8>);
+
+impl Deref for UnsizedByteArray {
+    type Target = Vec<u8>;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+impl From<Vec<u8>> for UnsizedByteArray {
+    fn from(vec: Vec<u8>) -> Self {
+        Self(vec)
+    }
+}
+
+impl From<&str> for UnsizedByteArray {
+    fn from(s: &str) -> Self {
+        Self(s.as_bytes().to_vec())
+    }
+}
+
+/// Represents Java's BitSet, a list of bits.
+#[derive(Debug, Clone, PartialEq, Eq, Hash, McBuf)]
+pub struct BitSet {
+    data: Vec<u64>,
+}
+
+// the Index trait requires us to return a reference, but we can't do that
+impl BitSet {
+    pub fn index(&self, index: usize) -> bool {
+        (self.data[index / 64] & (1u64 << (index % 64))) != 0
+    }
+}
-- 
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