medea-jason 0.14.2

Client library for Medea media server.
Documentation 
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//! Multiplatform Dart runtime specific utility structs and functions.

pub mod callback;
pub mod completer;
pub mod dart_api;
pub mod dart_future;
pub mod function;
pub mod handle;
pub mod list;
pub mod map;
mod string;

use std::ptr;

use medea_client_api_proto::{IceConnectionState, PeerConnectionState};

pub use self::string::{
    c_str_into_string, dart_string_into_rust, free_dart_native_string,
    string_into_c_str,
};
#[doc(inline)]
pub use self::{completer::Completer, function::Function};
use crate::platform::IceGatheringState;

/// Extension for the [`ptr::NonNull`] for unboxing it to the underlying value.
pub trait NonNullDartValueArgExt<T> {
    /// Unboxes [`ptr::NonNull`] to the underlying `T`.
    ///
    /// # Safety
    ///
    /// Caller must guarantee that the [`ptr::NonNull`] points to a [`Box`]ed
    /// value.
    unsafe fn unbox(&self) -> T;
}

impl<T> NonNullDartValueArgExt<T> for ptr::NonNull<T> {
    unsafe fn unbox(&self) -> T {
        unsafe { *Box::from_raw(self.as_ptr()) }
    }
}

/// Returns an [`IceConnectionState`] based on the provided enum index.
#[must_use]
pub fn ice_connection_from_int(i: i32) -> IceConnectionState {
    match i {
        0 => IceConnectionState::New,
        1 => IceConnectionState::Checking,
        2 => IceConnectionState::Connected,
        3 => IceConnectionState::Completed,
        4 => IceConnectionState::Failed,
        5 => IceConnectionState::Disconnected,
        6 => IceConnectionState::Closed,
        _ => unreachable!(),
    }
}

/// Returns a [`PeerConnectionState`] based on the provided enum index.
#[must_use]
pub fn peer_connection_state_from_int(i: i32) -> PeerConnectionState {
    match i {
        0 => PeerConnectionState::New,
        1 => PeerConnectionState::Connecting,
        2 => PeerConnectionState::Connected,
        3 => PeerConnectionState::Disconnected,
        4 => PeerConnectionState::Failed,
        5 => PeerConnectionState::Closed,
        _ => unreachable!(),
    }
}

/// Returns an [`IceGatheringState`] based on the provided enum index.
#[must_use]
pub fn ice_gathering_state_from_int(i: i32) -> IceGatheringState {
    match i {
        0 => IceGatheringState::New,
        1 => IceGatheringState::Gathering,
        2 => IceGatheringState::Complete,
        _ => unreachable!(),
    }
}