core_crypto_ffi/
lib.rs

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// Wire
// Copyright (C) 2022 Wire Swiss GmbH

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program. If not, see http://www.gnu.org/licenses/.

#[macro_export]
macro_rules! proteus_impl {
    ($errcode_dest:expr => $body:block or throw $err_type:ty) => {{
        cfg_if::cfg_if! {
            if #[cfg(feature = "proteus")] {
                #[allow(clippy::redundant_closure_call)]
                let result = (async move { $body }).await;

                cfg_if::cfg_if! {
                    if #[cfg(target_family = "wasm")] {
                        if let Err(CoreCryptoError($crate::InternalError::ProteusError(err))) = &result {
                            let err_code = err.error_code();
                            let mut ec = $errcode_dest.write().await;
                            *ec = err_code;
                        }

                        result
                    } else {
                        if let Err(CoreCryptoError::Proteus(err)) = &result {
                            let err_code = err.error_code();
                            $errcode_dest.store(err_code, std::sync::atomic::Ordering::SeqCst);
                        }

                        result
                    }
                }
            } else {
                return <$err_type>::Err(core_crypto::CryptoError::ProteusSupportNotEnabled("proteus".into()).into());
            }
        }
    }};
    ($body:block or throw $err_type:ty) => {{
        cfg_if::cfg_if! {
            if #[cfg(feature = "proteus")] {
                $body
            } else {
                return <$err_type>::Err(core_crypto::CryptoError::ProteusSupportNotEnabled("proteus".into()).into());
            }
        }
    }};

    ($body:block) => {
        proteus_impl!($body or throw ::std::result::Result<_, _>)
    };

    ($errcode_dest:expr => $body:block) => {
        proteus_impl!($errcode_dest => $body or throw ::std::result::Result<_, _>)
    };
}

cfg_if::cfg_if! {
    if #[cfg(target_family = "wasm")] {
        mod wasm;
        pub use self::wasm::*;
    } else {
        uniffi::setup_scaffolding!("core_crypto_ffi");

        mod generic;
        pub use self::generic::*;
    }
}

#[cfg(doc)]
pub mod bindings;