hakuban 0.7.2

Data-object sharing library
Documentation
#![allow(clippy::not_unsafe_ptr_arg_deref)]
use std::{ffi::c_void, mem::forget};

use futures::{FutureExt, StreamExt};

use super::{ffi_future::FFIFuture, FFIOwnedArray, FFITagDescriptor};
use crate::{object::state_sink::ObjectStateSink, LocalExchange, TagExposeContract};


#[no_mangle]
pub extern "C" fn hakuban_tag_expose_contract_new(local_exchange: *mut LocalExchange, descriptor: *mut FFITagDescriptor) -> *mut TagExposeContract {
	let local_exchange = unsafe { local_exchange.as_mut().unwrap() };
	let descriptor = unsafe { descriptor.as_mut().unwrap() };
	Box::into_raw(Box::new(local_exchange.tag(descriptor.descriptor.clone()).expose()))
}


#[no_mangle]
pub extern "C" fn hakuban_tag_expose_contract_drop(tag_pointer: *mut TagExposeContract) {
	drop(unsafe { Box::from_raw(tag_pointer) });
}


#[no_mangle]
pub extern "C" fn hakuban_tag_expose_contract_terminate(tag_expose_pointer: *mut TagExposeContract) {
	let tag_expose: &mut TagExposeContract = unsafe { tag_expose_pointer.as_mut().unwrap() };
	tag_expose.terminate();
}


#[no_mangle]
pub extern "C" fn hakuban_tag_expose_contract_next(tag_expose_pointer: *mut TagExposeContract) -> *mut FFIFuture<*mut ObjectStateSink> {
	let tag_expose: &mut TagExposeContract = unsafe { tag_expose_pointer.as_mut().unwrap() };
	Box::into_raw(Box::new(FFIFuture::new(tag_expose.next().map(|item| item.map(|object_state_sink| Box::into_raw(Box::new(object_state_sink))).into()))))
}


#[no_mangle]
pub extern "C" fn hakuban_tag_expose_contract_ready(tag_expose_pointer: *mut TagExposeContract) -> FFIOwnedArray {
	let tag_expose: &mut TagExposeContract = unsafe { tag_expose_pointer.as_mut().unwrap() };
	let mut ready_object_state_sinks: Vec<*mut ObjectStateSink> =
		tag_expose.ready().into_iter().map(|object_state_sink| Box::into_raw(Box::new(object_state_sink))).collect();
	ready_object_state_sinks.shrink_to_fit();
	//TODO: .into_raw_parts()
	let ret = FFIOwnedArray { length: ready_object_state_sinks.len(), pointer: ready_object_state_sinks.as_mut_ptr() as *mut c_void };
	forget(ready_object_state_sinks);
	ret
}