fidl_next_bind/
compat.rs

1// Copyright 2024 The Fuchsia Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#[cfg(feature = "fuchsia")]
6use fidl_next_codec::CompatFrom;
7
8#[cfg(feature = "fuchsia")]
9use crate::Client;
10use crate::{ClientEnd, ServerEnd};
11
12macro_rules! impl_compat_from_for_endpoints {
13    ($($endpoint:ident),* $(,)?) => { $(
14        impl<P1, P2, T> ::fidl_next_codec::CompatFrom<$endpoint<P1, T>> for ::fidl::endpoints::$endpoint<P2>
15        where
16            ::fidl::Channel: ::fidl_next_codec::CompatFrom<T>,
17            P2: ::fidl_next_codec::CompatFrom<P1>,
18        {
19            fn compat_from(value: $endpoint<P1, T>) -> Self {
20                Self::new(::fidl::Channel::compat_from(value.into_untyped()))
21            }
22        }
23
24        impl<P1, P2, T> ::fidl_next_codec::CompatFrom<::fidl::endpoints::$endpoint<P1>> for $endpoint<P2, T>
25        where
26            T: ::fidl_next_codec::CompatFrom<::fidl::Channel>,
27            P2: ::fidl_next_codec::CompatFrom<P1>,
28        {
29            fn compat_from(value: ::fidl::endpoints::$endpoint<P1>) ->  Self {
30                Self::from_untyped(T::compat_from(value.into_channel()))
31            }
32        }
33    )* };
34}
35
36impl_compat_from_for_endpoints!(ClientEnd, ServerEnd);
37
38#[cfg(feature = "fuchsia")]
39/// Conversions between old and new Rust protocol bindings.
40pub trait ClientCompatFrom<T>: Sized {
41    /// Converts `proxy` into a `Client` for this protocol.
42    fn client_compat_from(proxy: T) -> Client<Self, zx::Channel>;
43}
44
45#[cfg(feature = "fuchsia")]
46impl<T, P> CompatFrom<T> for Client<P, zx::Channel>
47where
48    P: ClientCompatFrom<T>,
49{
50    fn compat_from(value: T) -> Self {
51        P::client_compat_from(value)
52    }
53}
fidl_next_bind/compat.rs

fidl_next_bind/
compat.rs
