use crate::{AsyncResult, Cancellable};
use glib::{prelude::*, translate::*};
use std::{boxed::Box as Box_, fmt, mem, pin::Pin, ptr};
glib::wrapper! {
#[doc(alias = "GInputStream")]
pub struct InputStream(Object<ffi::GInputStream, ffi::GInputStreamClass>);
match fn {
type_ => || ffi::g_input_stream_get_type(),
}
}
impl InputStream {
pub const NONE: Option<&'static InputStream> = None;
}
mod sealed {
pub trait Sealed {}
impl<T: super::IsA<super::InputStream>> Sealed for T {}
}
pub trait InputStreamExt: IsA<InputStream> + sealed::Sealed + 'static {
#[doc(alias = "g_input_stream_clear_pending")]
fn clear_pending(&self) {
unsafe {
ffi::g_input_stream_clear_pending(self.as_ref().to_glib_none().0);
}
}
#[doc(alias = "g_input_stream_close")]
fn close(&self, cancellable: Option<&impl IsA<Cancellable>>) -> Result<(), glib::Error> {
unsafe {
let mut error = ptr::null_mut();
let is_ok = ffi::g_input_stream_close(
self.as_ref().to_glib_none().0,
cancellable.map(|p| p.as_ref()).to_glib_none().0,
&mut error,
);
debug_assert_eq!(is_ok == glib::ffi::GFALSE, !error.is_null());
if error.is_null() {
Ok(())
} else {
Err(from_glib_full(error))
}
}
}
#[doc(alias = "g_input_stream_close_async")]
fn close_async<P: FnOnce(Result<(), glib::Error>) + 'static>(
&self,
io_priority: glib::Priority,
cancellable: Option<&impl IsA<Cancellable>>,
callback: P,
) {
let main_context = glib::MainContext::ref_thread_default();
let is_main_context_owner = main_context.is_owner();
let has_acquired_main_context = (!is_main_context_owner)
.then(|| main_context.acquire().ok())
.flatten();
assert!(
is_main_context_owner || has_acquired_main_context.is_some(),
"Async operations only allowed if the thread is owning the MainContext"
);
let user_data: Box_<glib::thread_guard::ThreadGuard<P>> =
Box_::new(glib::thread_guard::ThreadGuard::new(callback));
unsafe extern "C" fn close_async_trampoline<
P: FnOnce(Result<(), glib::Error>) + 'static,
>(
_source_object: *mut glib::gobject_ffi::GObject,
res: *mut crate::ffi::GAsyncResult,
user_data: glib::ffi::gpointer,
) {
let mut error = ptr::null_mut();
let _ = ffi::g_input_stream_close_finish(_source_object as *mut _, res, &mut error);
let result = if error.is_null() {
Ok(())
} else {
Err(from_glib_full(error))
};
let callback: Box_<glib::thread_guard::ThreadGuard<P>> =
Box_::from_raw(user_data as *mut _);
let callback: P = callback.into_inner();
callback(result);
}
let callback = close_async_trampoline::<P>;
unsafe {
ffi::g_input_stream_close_async(
self.as_ref().to_glib_none().0,
io_priority.into_glib(),
cancellable.map(|p| p.as_ref()).to_glib_none().0,
Some(callback),
Box_::into_raw(user_data) as *mut _,
);
}
}
fn close_future(
&self,
io_priority: glib::Priority,
) -> Pin<Box_<dyn std::future::Future<Output = Result<(), glib::Error>> + 'static>> {
Box_::pin(crate::GioFuture::new(
self,
move |obj, cancellable, send| {
obj.close_async(io_priority, Some(cancellable), move |res| {
send.resolve(res);
});
},
))
}
#[doc(alias = "g_input_stream_has_pending")]
fn has_pending(&self) -> bool {
unsafe {
from_glib(ffi::g_input_stream_has_pending(
self.as_ref().to_glib_none().0,
))
}
}
#[doc(alias = "g_input_stream_is_closed")]
fn is_closed(&self) -> bool {
unsafe {
from_glib(ffi::g_input_stream_is_closed(
self.as_ref().to_glib_none().0,
))
}
}
#[doc(alias = "g_input_stream_read_bytes")]
fn read_bytes(
&self,
count: usize,
cancellable: Option<&impl IsA<Cancellable>>,
) -> Result<glib::Bytes, glib::Error> {
unsafe {
let mut error = ptr::null_mut();
let ret = ffi::g_input_stream_read_bytes(
self.as_ref().to_glib_none().0,
count,
cancellable.map(|p| p.as_ref()).to_glib_none().0,
&mut error,
);
if error.is_null() {
Ok(from_glib_full(ret))
} else {
Err(from_glib_full(error))
}
}
}
#[doc(alias = "g_input_stream_read_bytes_async")]
fn read_bytes_async<P: FnOnce(Result<glib::Bytes, glib::Error>) + 'static>(
&self,
count: usize,
io_priority: glib::Priority,
cancellable: Option<&impl IsA<Cancellable>>,
callback: P,
) {
let main_context = glib::MainContext::ref_thread_default();
let is_main_context_owner = main_context.is_owner();
let has_acquired_main_context = (!is_main_context_owner)
.then(|| main_context.acquire().ok())
.flatten();
assert!(
is_main_context_owner || has_acquired_main_context.is_some(),
"Async operations only allowed if the thread is owning the MainContext"
);
let user_data: Box_<glib::thread_guard::ThreadGuard<P>> =
Box_::new(glib::thread_guard::ThreadGuard::new(callback));
unsafe extern "C" fn read_bytes_async_trampoline<
P: FnOnce(Result<glib::Bytes, glib::Error>) + 'static,
>(
_source_object: *mut glib::gobject_ffi::GObject,
res: *mut crate::ffi::GAsyncResult,
user_data: glib::ffi::gpointer,
) {
let mut error = ptr::null_mut();
let ret =
ffi::g_input_stream_read_bytes_finish(_source_object as *mut _, res, &mut error);
let result = if error.is_null() {
Ok(from_glib_full(ret))
} else {
Err(from_glib_full(error))
};
let callback: Box_<glib::thread_guard::ThreadGuard<P>> =
Box_::from_raw(user_data as *mut _);
let callback: P = callback.into_inner();
callback(result);
}
let callback = read_bytes_async_trampoline::<P>;
unsafe {
ffi::g_input_stream_read_bytes_async(
self.as_ref().to_glib_none().0,
count,
io_priority.into_glib(),
cancellable.map(|p| p.as_ref()).to_glib_none().0,
Some(callback),
Box_::into_raw(user_data) as *mut _,
);
}
}
fn read_bytes_future(
&self,
count: usize,
io_priority: glib::Priority,
) -> Pin<Box_<dyn std::future::Future<Output = Result<glib::Bytes, glib::Error>> + 'static>>
{
Box_::pin(crate::GioFuture::new(
self,
move |obj, cancellable, send| {
obj.read_bytes_async(count, io_priority, Some(cancellable), move |res| {
send.resolve(res);
});
},
))
}
#[doc(alias = "g_input_stream_set_pending")]
fn set_pending(&self) -> Result<(), glib::Error> {
unsafe {
let mut error = ptr::null_mut();
let is_ok = ffi::g_input_stream_set_pending(self.as_ref().to_glib_none().0, &mut error);
debug_assert_eq!(is_ok == glib::ffi::GFALSE, !error.is_null());
if error.is_null() {
Ok(())
} else {
Err(from_glib_full(error))
}
}
}
#[doc(alias = "g_input_stream_skip")]
fn skip(
&self,
count: usize,
cancellable: Option<&impl IsA<Cancellable>>,
) -> Result<isize, glib::Error> {
unsafe {
let mut error = ptr::null_mut();
let ret = ffi::g_input_stream_skip(
self.as_ref().to_glib_none().0,
count,
cancellable.map(|p| p.as_ref()).to_glib_none().0,
&mut error,
);
if error.is_null() {
Ok(ret)
} else {
Err(from_glib_full(error))
}
}
}
#[doc(alias = "g_input_stream_skip_async")]
fn skip_async<P: FnOnce(Result<isize, glib::Error>) + 'static>(
&self,
count: usize,
io_priority: glib::Priority,
cancellable: Option<&impl IsA<Cancellable>>,
callback: P,
) {
let main_context = glib::MainContext::ref_thread_default();
let is_main_context_owner = main_context.is_owner();
let has_acquired_main_context = (!is_main_context_owner)
.then(|| main_context.acquire().ok())
.flatten();
assert!(
is_main_context_owner || has_acquired_main_context.is_some(),
"Async operations only allowed if the thread is owning the MainContext"
);
let user_data: Box_<glib::thread_guard::ThreadGuard<P>> =
Box_::new(glib::thread_guard::ThreadGuard::new(callback));
unsafe extern "C" fn skip_async_trampoline<
P: FnOnce(Result<isize, glib::Error>) + 'static,
>(
_source_object: *mut glib::gobject_ffi::GObject,
res: *mut crate::ffi::GAsyncResult,
user_data: glib::ffi::gpointer,
) {
let mut error = ptr::null_mut();
let ret = ffi::g_input_stream_skip_finish(_source_object as *mut _, res, &mut error);
let result = if error.is_null() {
Ok(ret)
} else {
Err(from_glib_full(error))
};
let callback: Box_<glib::thread_guard::ThreadGuard<P>> =
Box_::from_raw(user_data as *mut _);
let callback: P = callback.into_inner();
callback(result);
}
let callback = skip_async_trampoline::<P>;
unsafe {
ffi::g_input_stream_skip_async(
self.as_ref().to_glib_none().0,
count,
io_priority.into_glib(),
cancellable.map(|p| p.as_ref()).to_glib_none().0,
Some(callback),
Box_::into_raw(user_data) as *mut _,
);
}
}
fn skip_future(
&self,
count: usize,
io_priority: glib::Priority,
) -> Pin<Box_<dyn std::future::Future<Output = Result<isize, glib::Error>> + 'static>> {
Box_::pin(crate::GioFuture::new(
self,
move |obj, cancellable, send| {
obj.skip_async(count, io_priority, Some(cancellable), move |res| {
send.resolve(res);
});
},
))
}
}
impl<O: IsA<InputStream>> InputStreamExt for O {}
impl fmt::Display for InputStream {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str("InputStream")
}
}