From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- third_party/rust/bytes/src/serde.rs | 89 +++++++++++++++++++++++++++++++++++++ 1 file changed, 89 insertions(+) create mode 100644 third_party/rust/bytes/src/serde.rs (limited to 'third_party/rust/bytes/src/serde.rs') diff --git a/third_party/rust/bytes/src/serde.rs b/third_party/rust/bytes/src/serde.rs new file mode 100644 index 0000000000..0a5bd144a9 --- /dev/null +++ b/third_party/rust/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(&self, serializer: S) -> Result + where + S: Serializer, + { + serializer.serialize_bytes(&self) + } + } + + struct $visitor_ty; + + impl<'de> de::Visitor<'de> for $visitor_ty { + type Value = $ty; + + fn expecting(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result { + formatter.write_str("byte array") + } + + #[inline] + fn visit_seq(self, mut seq: V) -> Result + where + V: de::SeqAccess<'de>, + { + let len = cmp::min(seq.size_hint().unwrap_or(0), 4096); + let mut values: Vec = Vec::with_capacity(len); + + while let Some(value) = seq.next_element()? { + values.push(value); + } + + Ok($ty::$from_vec(values)) + } + + #[inline] + fn visit_bytes(self, v: &[u8]) -> Result + where + E: de::Error, + { + Ok($ty::$from_slice(v)) + } + + #[inline] + fn visit_byte_buf(self, v: Vec) -> Result + where + E: de::Error, + { + Ok($ty::$from_vec(v)) + } + + #[inline] + fn visit_str(self, v: &str) -> Result + where + E: de::Error, + { + Ok($ty::$from_slice(v.as_bytes())) + } + + #[inline] + fn visit_string(self, v: String) -> Result + where + E: de::Error, + { + Ok($ty::$from_vec(v.into_bytes())) + } + } + + impl<'de> Deserialize<'de> for $ty { + #[inline] + fn deserialize(deserializer: D) -> Result<$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); -- cgit v1.2.3