From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 21:33:14 +0200
Subject: Adding upstream version 115.7.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 third_party/rust/time/src/serde/rfc2822.rs | 72 ++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 third_party/rust/time/src/serde/rfc2822.rs

(limited to 'third_party/rust/time/src/serde/rfc2822.rs')

diff --git a/third_party/rust/time/src/serde/rfc2822.rs b/third_party/rust/time/src/serde/rfc2822.rs
new file mode 100644
index 0000000000..eca90f5204
--- /dev/null
+++ b/third_party/rust/time/src/serde/rfc2822.rs
@@ -0,0 +1,72 @@
+//! Use the well-known [RFC2822 format] when serializing and deserializing an [`OffsetDateTime`].
+//!
+//! Use this module in combination with serde's [`#[with]`][with] attribute.
+//!
+//! [RFC2822 format]: https://tools.ietf.org/html/rfc2822#section-3.3
+//! [with]: https://serde.rs/field-attrs.html#with
+
+#[cfg(feature = "parsing")]
+use core::marker::PhantomData;
+
+#[cfg(feature = "formatting")]
+use serde::ser::Error as _;
+#[cfg(feature = "parsing")]
+use serde::Deserializer;
+#[cfg(feature = "formatting")]
+use serde::{Serialize, Serializer};
+
+#[cfg(feature = "parsing")]
+use super::Visitor;
+use crate::format_description::well_known::Rfc2822;
+use crate::OffsetDateTime;
+
+/// Serialize an [`OffsetDateTime`] using the well-known RFC2822 format.
+#[cfg(feature = "formatting")]
+pub fn serialize<S: Serializer>(
+    datetime: &OffsetDateTime,
+    serializer: S,
+) -> Result<S::Ok, S::Error> {
+    datetime
+        .format(&Rfc2822)
+        .map_err(S::Error::custom)?
+        .serialize(serializer)
+}
+
+/// Deserialize an [`OffsetDateTime`] from its RFC2822 representation.
+#[cfg(feature = "parsing")]
+pub fn deserialize<'a, D: Deserializer<'a>>(deserializer: D) -> Result<OffsetDateTime, D::Error> {
+    deserializer.deserialize_str(Visitor::<Rfc2822>(PhantomData))
+}
+
+/// Use the well-known [RFC2822 format] when serializing and deserializing an
+/// [`Option<OffsetDateTime>`].
+///
+/// Use this module in combination with serde's [`#[with]`][with] attribute.
+///
+/// [RFC2822 format]: https://tools.ietf.org/html/rfc2822#section-3.3
+/// [with]: https://serde.rs/field-attrs.html#with
+pub mod option {
+    #[allow(clippy::wildcard_imports)]
+    use super::*;
+
+    /// Serialize an [`Option<OffsetDateTime>`] using the well-known RFC2822 format.
+    #[cfg(feature = "formatting")]
+    pub fn serialize<S: Serializer>(
+        option: &Option<OffsetDateTime>,
+        serializer: S,
+    ) -> Result<S::Ok, S::Error> {
+        option
+            .map(|odt| odt.format(&Rfc2822))
+            .transpose()
+            .map_err(S::Error::custom)?
+            .serialize(serializer)
+    }
+
+    /// Deserialize an [`Option<OffsetDateTime>`] from its RFC2822 representation.
+    #[cfg(feature = "parsing")]
+    pub fn deserialize<'a, D: Deserializer<'a>>(
+        deserializer: D,
+    ) -> Result<Option<OffsetDateTime>, D::Error> {
+        deserializer.deserialize_option(Visitor::<Option<Rfc2822>>(PhantomData))
+    }
+}
-- 
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