1 files changed, 89 insertions, 0 deletions
diff --git a/vendor/bytes/src/serde.rs b/vendor/bytes/src/serde.rs
new file mode 100644
index 000000000..0a5bd144a
--- /dev/null
+++ b/vendor/bytes/src/serde.rs
@@ -0,0 +1,89 @@
+use super::{Bytes, BytesMut};
+use alloc::string::String;
+use alloc::vec::Vec;
+use core::{cmp, fmt};
+use serde::{de, Deserialize, Deserializer, Serialize, Serializer};
+
+macro_rules! serde_impl {
+    ($ty:ident, $visitor_ty:ident, $from_slice:ident, $from_vec:ident) => {
+        impl Serialize for $ty {
+            #[inline]
+            fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+            where
+                S: Serializer,
+            {
+                serializer.serialize_bytes(&self)
+            }
+        }
+
+        struct $visitor_ty;
+
+        impl<'de> de::Visitor<'de> for $visitor_ty {
+            type Value = $ty;
+
+            fn expecting(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
+                formatter.write_str("byte array")
+            }
+
+            #[inline]
+            fn visit_seq<V>(self, mut seq: V) -> Result<Self::Value, V::Error>
+            where
+                V: de::SeqAccess<'de>,
+            {
+                let len = cmp::min(seq.size_hint().unwrap_or(0), 4096);
+                let mut values: Vec<u8> = Vec::with_capacity(len);
+
+                while let Some(value) = seq.next_element()? {
+                    values.push(value);
+                }
+
+                Ok($ty::$from_vec(values))
+            }
+
+            #[inline]
+            fn visit_bytes<E>(self, v: &[u8]) -> Result<Self::Value, E>
+            where
+                E: de::Error,
+            {
+                Ok($ty::$from_slice(v))
+            }
+
+            #[inline]
+            fn visit_byte_buf<E>(self, v: Vec<u8>) -> Result<Self::Value, E>
+            where
+                E: de::Error,
+            {
+                Ok($ty::$from_vec(v))
+            }
+
+            #[inline]
+            fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
+            where
+                E: de::Error,
+            {
+                Ok($ty::$from_slice(v.as_bytes()))
+            }
+
+            #[inline]
+            fn visit_string<E>(self, v: String) -> Result<Self::Value, E>
+            where
+                E: de::Error,
+            {
+                Ok($ty::$from_vec(v.into_bytes()))
+            }
+        }
+
+        impl<'de> Deserialize<'de> for $ty {
+            #[inline]
+            fn deserialize<D>(deserializer: D) -> Result<$ty, D::Error>
+            where
+                D: Deserializer<'de>,
+            {
+                deserializer.deserialize_byte_buf($visitor_ty)
+            }
+        }
+    };
+}
+
+serde_impl!(Bytes, BytesVisitor, copy_from_slice, from);
+serde_impl!(BytesMut, BytesMutVisitor, from, from_vec);