// Protocol Buffers - Google's data interchange format
// Copyright 2023 Google LLC.  All rights reserved.
// https://developers.google.com/protocol-buffers/
//
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//
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//! Kernel-agnostic logic for the Rust Protobuf Runtime.
//!
//! For kernel-specific logic this crate delegates to the respective `__runtime`
//! crate.
#![deny(unsafe_op_in_unsafe_fn)]

use std::fmt;

pub use optional::{AbsentField, FieldEntry, Optional, PresentField};
pub use proxied::{Mut, MutProxy, Proxied, ProxiedWithPresence, SettableValue, View, ViewProxy};
pub use string::{BytesMut, ProtoStr};

/// Everything in `__internal` is allowed to change without it being considered
/// a breaking change for the protobuf library. Nothing in here should be
/// exported in `protobuf.rs`.
#[path = "internal.rs"]
pub mod __internal;

/// Everything in `__runtime` is allowed to change without it being considered
/// a breaking change for the protobuf library. Nothing in here should be
/// exported in `protobuf.rs`.
#[cfg(cpp_kernel)]
#[path = "cpp.rs"]
pub mod __runtime;
#[cfg(upb_kernel)]
#[path = "upb.rs"]
pub mod __runtime;

mod optional;
mod proxied;
mod string;

/// An error that happened during deserialization.
#[derive(Debug, Clone)]
pub struct ParseError;

impl fmt::Display for ParseError {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "Couldn't deserialize given bytes into a proto")
    }
}