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// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files)
// DO NOT EDIT
use crate::AsyncResult;
use crate::Cancellable;
use crate::InputStream;
use crate::OutputStreamSpliceFlags;
use glib::object::IsA;
use glib::translate::*;
use std::boxed::Box as Box_;
use std::fmt;
use std::mem;
use std::pin::Pin;
use std::ptr;
glib::wrapper! {
/// [`OutputStream`][crate::OutputStream] has functions to write to a stream ([`OutputStreamExt::write()`][crate::prelude::OutputStreamExt::write()]),
/// to close a stream ([`OutputStreamExt::close()`][crate::prelude::OutputStreamExt::close()]) and to flush pending writes
/// ([`OutputStreamExt::flush()`][crate::prelude::OutputStreamExt::flush()]).
///
/// To copy the content of an input stream to an output stream without
/// manually handling the reads and writes, use [`OutputStreamExt::splice()`][crate::prelude::OutputStreamExt::splice()].
///
/// See the documentation for [`IOStream`][crate::IOStream] for details of thread safety of
/// streaming APIs.
///
/// All of these functions have async variants too.
///
/// This is an Abstract Base Class, you cannot instantiate it.
///
/// # Implements
///
/// [`OutputStreamExt`][trait@crate::prelude::OutputStreamExt], [`trait@glib::ObjectExt`], [`OutputStreamExtManual`][trait@crate::prelude::OutputStreamExtManual]
#[doc(alias = "GOutputStream")]
pub struct OutputStream(Object<ffi::GOutputStream, ffi::GOutputStreamClass>);
match fn {
type_ => || ffi::g_output_stream_get_type(),
}
}
impl OutputStream {
pub const NONE: Option<&'static OutputStream> = None;
}
/// Trait containing all [`struct@OutputStream`] methods.
///
/// # Implementors
///
/// [`FileOutputStream`][struct@crate::FileOutputStream], [`FilterOutputStream`][struct@crate::FilterOutputStream], [`MemoryOutputStream`][struct@crate::MemoryOutputStream], [`OutputStream`][struct@crate::OutputStream], [`PollableOutputStream`][struct@crate::PollableOutputStream], [`UnixOutputStream`][struct@crate::UnixOutputStream]
pub trait OutputStreamExt: 'static {
/// Clears the pending flag on `self`.
#[doc(alias = "g_output_stream_clear_pending")]
fn clear_pending(&self);
/// Closes the stream, releasing resources related to it.
///
/// Once the stream is closed, all other operations will return [`IOErrorEnum::Closed`][crate::IOErrorEnum::Closed].
/// Closing a stream multiple times will not return an error.
///
/// Closing a stream will automatically flush any outstanding buffers in the
/// stream.
///
/// Streams will be automatically closed when the last reference
/// is dropped, but you might want to call this function to make sure
/// resources are released as early as possible.
///
/// Some streams might keep the backing store of the stream (e.g. a file descriptor)
/// open after the stream is closed. See the documentation for the individual
/// stream for details.
///
/// On failure the first error that happened will be reported, but the close
/// operation will finish as much as possible. A stream that failed to
/// close will still return [`IOErrorEnum::Closed`][crate::IOErrorEnum::Closed] for all operations. Still, it
/// is important to check and report the error to the user, otherwise
/// there might be a loss of data as all data might not be written.
///
/// If `cancellable` is not [`None`], then the operation can be cancelled by
/// triggering the cancellable object from another thread. If the operation
/// was cancelled, the error [`IOErrorEnum::Cancelled`][crate::IOErrorEnum::Cancelled] will be returned.
/// Cancelling a close will still leave the stream closed, but there some streams
/// can use a faster close that doesn't block to e.g. check errors. On
/// cancellation (as with any error) there is no guarantee that all written
/// data will reach the target.
/// ## `cancellable`
/// optional cancellable object
///
/// # Returns
///
/// [`true`] on success, [`false`] on failure
#[doc(alias = "g_output_stream_close")]
fn close(&self, cancellable: Option<&impl IsA<Cancellable>>) -> Result<(), glib::Error>;
/// Requests an asynchronous close of the stream, releasing resources
/// related to it. When the operation is finished `callback` will be
/// called. You can then call `g_output_stream_close_finish()` to get
/// the result of the operation.
///
/// For behaviour details see [`close()`][Self::close()].
///
/// The asynchronous methods have a default fallback that uses threads
/// to implement asynchronicity, so they are optional for inheriting
/// classes. However, if you override one you must override all.
/// ## `io_priority`
/// the io priority of the request.
/// ## `cancellable`
/// optional cancellable object
/// ## `callback`
/// callback to call when the request is satisfied
#[doc(alias = "g_output_stream_close_async")]
fn close_async<P: FnOnce(Result<(), glib::Error>) + 'static>(
&self,
io_priority: glib::Priority,
cancellable: Option<&impl IsA<Cancellable>>,
callback: P,
);
fn close_future(
&self,
io_priority: glib::Priority,
) -> Pin<Box_<dyn std::future::Future<Output = Result<(), glib::Error>> + 'static>>;
/// Forces a write of all user-space buffered data for the given
/// `self`. Will block during the operation. Closing the stream will
/// implicitly cause a flush.
///
/// This function is optional for inherited classes.
///
/// If `cancellable` is not [`None`], then the operation can be cancelled by
/// triggering the cancellable object from another thread. If the operation
/// was cancelled, the error [`IOErrorEnum::Cancelled`][crate::IOErrorEnum::Cancelled] will be returned.
/// ## `cancellable`
/// optional cancellable object
///
/// # Returns
///
/// [`true`] on success, [`false`] on error
#[doc(alias = "g_output_stream_flush")]
fn flush(&self, cancellable: Option<&impl IsA<Cancellable>>) -> Result<(), glib::Error>;
/// Forces an asynchronous write of all user-space buffered data for
/// the given `self`.
/// For behaviour details see [`flush()`][Self::flush()].
///
/// When the operation is finished `callback` will be
/// called. You can then call `g_output_stream_flush_finish()` to get the
/// result of the operation.
/// ## `io_priority`
/// the io priority of the request.
/// ## `cancellable`
/// optional [`Cancellable`][crate::Cancellable] object, [`None`] to ignore.
/// ## `callback`
/// a `GAsyncReadyCallback` to call when the request is satisfied
#[doc(alias = "g_output_stream_flush_async")]
fn flush_async<P: FnOnce(Result<(), glib::Error>) + 'static>(
&self,
io_priority: glib::Priority,
cancellable: Option<&impl IsA<Cancellable>>,
callback: P,
);
fn flush_future(
&self,
io_priority: glib::Priority,
) -> Pin<Box_<dyn std::future::Future<Output = Result<(), glib::Error>> + 'static>>;
/// Checks if an output stream has pending actions.
///
/// # Returns
///
/// [`true`] if `self` has pending actions.
#[doc(alias = "g_output_stream_has_pending")]
fn has_pending(&self) -> bool;
/// Checks if an output stream has already been closed.
///
/// # Returns
///
/// [`true`] if `self` is closed. [`false`] otherwise.
#[doc(alias = "g_output_stream_is_closed")]
fn is_closed(&self) -> bool;
/// Checks if an output stream is being closed. This can be
/// used inside e.g. a flush implementation to see if the
/// flush (or other i/o operation) is called from within
/// the closing operation.
///
/// # Returns
///
/// [`true`] if `self` is being closed. [`false`] otherwise.
#[doc(alias = "g_output_stream_is_closing")]
fn is_closing(&self) -> bool;
//#[doc(alias = "g_output_stream_printf")]
//fn printf(&self, cancellable: Option<&impl IsA<Cancellable>>, error: &mut glib::Error, format: &str, : /*Unknown conversion*//*Unimplemented*/Fundamental: VarArgs) -> Option<usize>;
/// Sets `self` to have actions pending. If the pending flag is
/// already set or `self` is closed, it will return [`false`] and set
/// `error`.
///
/// # Returns
///
/// [`true`] if pending was previously unset and is now set.
#[doc(alias = "g_output_stream_set_pending")]
fn set_pending(&self) -> Result<(), glib::Error>;
/// Splices an input stream into an output stream.
/// ## `source`
/// a [`InputStream`][crate::InputStream].
/// ## `flags`
/// a set of [`OutputStreamSpliceFlags`][crate::OutputStreamSpliceFlags].
/// ## `cancellable`
/// optional [`Cancellable`][crate::Cancellable] object, [`None`] to ignore.
///
/// # Returns
///
/// a `gssize` containing the size of the data spliced, or
/// -1 if an error occurred. Note that if the number of bytes
/// spliced is greater than `G_MAXSSIZE`, then that will be
/// returned, and there is no way to determine the actual number
/// of bytes spliced.
#[doc(alias = "g_output_stream_splice")]
fn splice(
&self,
source: &impl IsA<InputStream>,
flags: OutputStreamSpliceFlags,
cancellable: Option<&impl IsA<Cancellable>>,
) -> Result<isize, glib::Error>;
/// Splices a stream asynchronously.
/// When the operation is finished `callback` will be called.
/// You can then call `g_output_stream_splice_finish()` to get the
/// result of the operation.
///
/// For the synchronous, blocking version of this function, see
/// [`splice()`][Self::splice()].
/// ## `source`
/// a [`InputStream`][crate::InputStream].
/// ## `flags`
/// a set of [`OutputStreamSpliceFlags`][crate::OutputStreamSpliceFlags].
/// ## `io_priority`
/// the io priority of the request.
/// ## `cancellable`
/// optional [`Cancellable`][crate::Cancellable] object, [`None`] to ignore.
/// ## `callback`
/// a `GAsyncReadyCallback`.
#[doc(alias = "g_output_stream_splice_async")]
fn splice_async<P: FnOnce(Result<isize, glib::Error>) + 'static>(
&self,
source: &impl IsA<InputStream>,
flags: OutputStreamSpliceFlags,
io_priority: glib::Priority,
cancellable: Option<&impl IsA<Cancellable>>,
callback: P,
);
fn splice_future(
&self,
source: &(impl IsA<InputStream> + Clone + 'static),
flags: OutputStreamSpliceFlags,
io_priority: glib::Priority,
) -> Pin<Box_<dyn std::future::Future<Output = Result<isize, glib::Error>> + 'static>>;
//#[doc(alias = "g_output_stream_vprintf")]
//fn vprintf(&self, cancellable: Option<&impl IsA<Cancellable>>, error: &mut glib::Error, format: &str, args: /*Unknown conversion*//*Unimplemented*/Unsupported) -> Option<usize>;
/// Tries to write `count` bytes from `buffer` into the stream. Will block
/// during the operation.
///
/// If count is 0, returns 0 and does nothing. A value of `count`
/// larger than `G_MAXSSIZE` will cause a [`IOErrorEnum::InvalidArgument`][crate::IOErrorEnum::InvalidArgument] error.
///
/// On success, the number of bytes written to the stream is returned.
/// It is not an error if this is not the same as the requested size, as it
/// can happen e.g. on a partial I/O error, or if there is not enough
/// storage in the stream. All writes block until at least one byte
/// is written or an error occurs; 0 is never returned (unless
/// `count` is 0).
///
/// If `cancellable` is not [`None`], then the operation can be cancelled by
/// triggering the cancellable object from another thread. If the operation
/// was cancelled, the error [`IOErrorEnum::Cancelled`][crate::IOErrorEnum::Cancelled] will be returned. If an
/// operation was partially finished when the operation was cancelled the
/// partial result will be returned, without an error.
///
/// On error -1 is returned and `error` is set accordingly.
/// ## `buffer`
/// the buffer containing the data to write.
/// ## `cancellable`
/// optional cancellable object
///
/// # Returns
///
/// Number of bytes written, or -1 on error
#[doc(alias = "g_output_stream_write")]
fn write(
&self,
buffer: &[u8],
cancellable: Option<&impl IsA<Cancellable>>,
) -> Result<isize, glib::Error>;
/// A wrapper function for [`write()`][Self::write()] which takes a
/// [`glib::Bytes`][crate::glib::Bytes] as input. This can be more convenient for use by language
/// bindings or in other cases where the refcounted nature of [`glib::Bytes`][crate::glib::Bytes]
/// is helpful over a bare pointer interface.
///
/// However, note that this function may still perform partial writes,
/// just like [`write()`][Self::write()]. If that occurs, to continue
/// writing, you will need to create a new [`glib::Bytes`][crate::glib::Bytes] containing just the
/// remaining bytes, using [`glib::Bytes::new_from_bytes()`][crate::glib::Bytes::new_from_bytes()]. Passing the same
/// [`glib::Bytes`][crate::glib::Bytes] instance multiple times potentially can result in duplicated
/// data in the output stream.
/// ## `bytes`
/// the [`glib::Bytes`][crate::glib::Bytes] to write
/// ## `cancellable`
/// optional cancellable object
///
/// # Returns
///
/// Number of bytes written, or -1 on error
#[doc(alias = "g_output_stream_write_bytes")]
fn write_bytes(
&self,
bytes: &glib::Bytes,
cancellable: Option<&impl IsA<Cancellable>>,
) -> Result<isize, glib::Error>;
/// This function is similar to [`OutputStreamExtManual::write_async()`][crate::prelude::OutputStreamExtManual::write_async()], but
/// takes a [`glib::Bytes`][crate::glib::Bytes] as input. Due to the refcounted nature of [`glib::Bytes`][crate::glib::Bytes],
/// this allows the stream to avoid taking a copy of the data.
///
/// However, note that this function may still perform partial writes,
/// just like [`OutputStreamExtManual::write_async()`][crate::prelude::OutputStreamExtManual::write_async()]. If that occurs, to continue
/// writing, you will need to create a new [`glib::Bytes`][crate::glib::Bytes] containing just the
/// remaining bytes, using [`glib::Bytes::new_from_bytes()`][crate::glib::Bytes::new_from_bytes()]. Passing the same
/// [`glib::Bytes`][crate::glib::Bytes] instance multiple times potentially can result in duplicated
/// data in the output stream.
///
/// For the synchronous, blocking version of this function, see
/// [`write_bytes()`][Self::write_bytes()].
/// ## `bytes`
/// The bytes to write
/// ## `io_priority`
/// the io priority of the request.
/// ## `cancellable`
/// optional [`Cancellable`][crate::Cancellable] object, [`None`] to ignore.
/// ## `callback`
/// callback to call when the request is satisfied
#[doc(alias = "g_output_stream_write_bytes_async")]
fn write_bytes_async<P: FnOnce(Result<isize, glib::Error>) + 'static>(
&self,
bytes: &glib::Bytes,
io_priority: glib::Priority,
cancellable: Option<&impl IsA<Cancellable>>,
callback: P,
);
fn write_bytes_future(
&self,
bytes: &glib::Bytes,
io_priority: glib::Priority,
) -> Pin<Box_<dyn std::future::Future<Output = Result<isize, glib::Error>> + 'static>>;
//#[cfg(any(feature = "v2_60", feature = "dox"))]
//#[cfg_attr(feature = "dox", doc(cfg(feature = "v2_60")))]
//#[doc(alias = "g_output_stream_writev")]
//fn writev(&self, vectors: /*Ignored*/&[OutputVector], cancellable: Option<&impl IsA<Cancellable>>) -> Result<usize, glib::Error>;
//#[cfg(any(feature = "v2_60", feature = "dox"))]
//#[cfg_attr(feature = "dox", doc(cfg(feature = "v2_60")))]
//#[doc(alias = "g_output_stream_writev_all")]
//fn writev_all(&self, vectors: /*Ignored*/&[OutputVector], cancellable: Option<&impl IsA<Cancellable>>) -> Result<usize, glib::Error>;
//#[cfg(any(feature = "v2_60", feature = "dox"))]
//#[cfg_attr(feature = "dox", doc(cfg(feature = "v2_60")))]
//#[doc(alias = "g_output_stream_writev_all_async")]
//fn writev_all_async<P: FnOnce(Result<usize, glib::Error>) + 'static>(&self, vectors: /*Ignored*/&[OutputVector], io_priority: glib::Priority, cancellable: Option<&impl IsA<Cancellable>>, callback: P);
//
//#[cfg(any(feature = "v2_60", feature = "dox"))]
//#[cfg_attr(feature = "dox", doc(cfg(feature = "v2_60")))]
//fn writev_all_future(&self, vectors: /*Ignored*/&[OutputVector], io_priority: glib::Priority) -> Pin<Box_<dyn std::future::Future<Output = Result<usize, glib::Error>> + 'static>>;
//#[cfg(any(feature = "v2_60", feature = "dox"))]
//#[cfg_attr(feature = "dox", doc(cfg(feature = "v2_60")))]
//#[doc(alias = "g_output_stream_writev_async")]
//fn writev_async<P: FnOnce(Result<usize, glib::Error>) + 'static>(&self, vectors: /*Ignored*/&[OutputVector], io_priority: glib::Priority, cancellable: Option<&impl IsA<Cancellable>>, callback: P);
//
//#[cfg(any(feature = "v2_60", feature = "dox"))]
//#[cfg_attr(feature = "dox", doc(cfg(feature = "v2_60")))]
//fn writev_future(&self, vectors: /*Ignored*/&[OutputVector], io_priority: glib::Priority) -> Pin<Box_<dyn std::future::Future<Output = Result<usize, glib::Error>> + 'static>>;
}
impl<O: IsA<OutputStream>> OutputStreamExt for O {
fn clear_pending(&self) {
unsafe {
ffi::g_output_stream_clear_pending(self.as_ref().to_glib_none().0);
}
}
fn close(&self, cancellable: Option<&impl IsA<Cancellable>>) -> Result<(), glib::Error> {
unsafe {
let mut error = ptr::null_mut();
let is_ok = ffi::g_output_stream_close(
self.as_ref().to_glib_none().0,
cancellable.map(|p| p.as_ref()).to_glib_none().0,
&mut error,
);
assert_eq!(is_ok == glib::ffi::GFALSE, !error.is_null());
if error.is_null() {
Ok(())
} else {
Err(from_glib_full(error))
}
}
}
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_output_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_output_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);
});
},
))
}
fn flush(&self, cancellable: Option<&impl IsA<Cancellable>>) -> Result<(), glib::Error> {
unsafe {
let mut error = ptr::null_mut();
let is_ok = ffi::g_output_stream_flush(
self.as_ref().to_glib_none().0,
cancellable.map(|p| p.as_ref()).to_glib_none().0,
&mut error,
);
assert_eq!(is_ok == glib::ffi::GFALSE, !error.is_null());
if error.is_null() {
Ok(())
} else {
Err(from_glib_full(error))
}
}
}
fn flush_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 flush_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_output_stream_flush_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 = flush_async_trampoline::<P>;
unsafe {
ffi::g_output_stream_flush_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 flush_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.flush_async(io_priority, Some(cancellable), move |res| {
send.resolve(res);
});
},
))
}
fn has_pending(&self) -> bool {
unsafe {
from_glib(ffi::g_output_stream_has_pending(
self.as_ref().to_glib_none().0,
))
}
}
fn is_closed(&self) -> bool {
unsafe {
from_glib(ffi::g_output_stream_is_closed(
self.as_ref().to_glib_none().0,
))
}
}
fn is_closing(&self) -> bool {
unsafe {
from_glib(ffi::g_output_stream_is_closing(
self.as_ref().to_glib_none().0,
))
}
}
//fn printf(&self, cancellable: Option<&impl IsA<Cancellable>>, error: &mut glib::Error, format: &str, : /*Unknown conversion*//*Unimplemented*/Fundamental: VarArgs) -> Option<usize> {
// unsafe { TODO: call ffi:g_output_stream_printf() }
//}
fn set_pending(&self) -> Result<(), glib::Error> {
unsafe {
let mut error = ptr::null_mut();
let is_ok =
ffi::g_output_stream_set_pending(self.as_ref().to_glib_none().0, &mut error);
assert_eq!(is_ok == glib::ffi::GFALSE, !error.is_null());
if error.is_null() {
Ok(())
} else {
Err(from_glib_full(error))
}
}
}
fn splice(
&self,
source: &impl IsA<InputStream>,
flags: OutputStreamSpliceFlags,
cancellable: Option<&impl IsA<Cancellable>>,
) -> Result<isize, glib::Error> {
unsafe {
let mut error = ptr::null_mut();
let ret = ffi::g_output_stream_splice(
self.as_ref().to_glib_none().0,
source.as_ref().to_glib_none().0,
flags.into_glib(),
cancellable.map(|p| p.as_ref()).to_glib_none().0,
&mut error,
);
if error.is_null() {
Ok(ret)
} else {
Err(from_glib_full(error))
}
}
}
fn splice_async<P: FnOnce(Result<isize, glib::Error>) + 'static>(
&self,
source: &impl IsA<InputStream>,
flags: OutputStreamSpliceFlags,
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 splice_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_output_stream_splice_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 = splice_async_trampoline::<P>;
unsafe {
ffi::g_output_stream_splice_async(
self.as_ref().to_glib_none().0,
source.as_ref().to_glib_none().0,
flags.into_glib(),
io_priority.into_glib(),
cancellable.map(|p| p.as_ref()).to_glib_none().0,
Some(callback),
Box_::into_raw(user_data) as *mut _,
);
}
}
fn splice_future(
&self,
source: &(impl IsA<InputStream> + Clone + 'static),
flags: OutputStreamSpliceFlags,
io_priority: glib::Priority,
) -> Pin<Box_<dyn std::future::Future<Output = Result<isize, glib::Error>> + 'static>> {
let source = source.clone();
Box_::pin(crate::GioFuture::new(
self,
move |obj, cancellable, send| {
obj.splice_async(&source, flags, io_priority, Some(cancellable), move |res| {
send.resolve(res);
});
},
))
}
//fn vprintf(&self, cancellable: Option<&impl IsA<Cancellable>>, error: &mut glib::Error, format: &str, args: /*Unknown conversion*//*Unimplemented*/Unsupported) -> Option<usize> {
// unsafe { TODO: call ffi:g_output_stream_vprintf() }
//}
fn write(
&self,
buffer: &[u8],
cancellable: Option<&impl IsA<Cancellable>>,
) -> Result<isize, glib::Error> {
let count = buffer.len() as usize;
unsafe {
let mut error = ptr::null_mut();
let ret = ffi::g_output_stream_write(
self.as_ref().to_glib_none().0,
buffer.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))
}
}
}
fn write_bytes(
&self,
bytes: &glib::Bytes,
cancellable: Option<&impl IsA<Cancellable>>,
) -> Result<isize, glib::Error> {
unsafe {
let mut error = ptr::null_mut();
let ret = ffi::g_output_stream_write_bytes(
self.as_ref().to_glib_none().0,
bytes.to_glib_none().0,
cancellable.map(|p| p.as_ref()).to_glib_none().0,
&mut error,
);
if error.is_null() {
Ok(ret)
} else {
Err(from_glib_full(error))
}
}
}
fn write_bytes_async<P: FnOnce(Result<isize, glib::Error>) + 'static>(
&self,
bytes: &glib::Bytes,
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 write_bytes_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_output_stream_write_bytes_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 = write_bytes_async_trampoline::<P>;
unsafe {
ffi::g_output_stream_write_bytes_async(
self.as_ref().to_glib_none().0,
bytes.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 write_bytes_future(
&self,
bytes: &glib::Bytes,
io_priority: glib::Priority,
) -> Pin<Box_<dyn std::future::Future<Output = Result<isize, glib::Error>> + 'static>> {
let bytes = bytes.clone();
Box_::pin(crate::GioFuture::new(
self,
move |obj, cancellable, send| {
obj.write_bytes_async(&bytes, io_priority, Some(cancellable), move |res| {
send.resolve(res);
});
},
))
}
//#[cfg(any(feature = "v2_60", feature = "dox"))]
//#[cfg_attr(feature = "dox", doc(cfg(feature = "v2_60")))]
//fn writev(&self, vectors: /*Ignored*/&[OutputVector], cancellable: Option<&impl IsA<Cancellable>>) -> Result<usize, glib::Error> {
// unsafe { TODO: call ffi:g_output_stream_writev() }
//}
//#[cfg(any(feature = "v2_60", feature = "dox"))]
//#[cfg_attr(feature = "dox", doc(cfg(feature = "v2_60")))]
//fn writev_all(&self, vectors: /*Ignored*/&[OutputVector], cancellable: Option<&impl IsA<Cancellable>>) -> Result<usize, glib::Error> {
// unsafe { TODO: call ffi:g_output_stream_writev_all() }
//}
//#[cfg(any(feature = "v2_60", feature = "dox"))]
//#[cfg_attr(feature = "dox", doc(cfg(feature = "v2_60")))]
//fn writev_all_async<P: FnOnce(Result<usize, glib::Error>) + 'static>(&self, vectors: /*Ignored*/&[OutputVector], io_priority: glib::Priority, cancellable: Option<&impl IsA<Cancellable>>, callback: P) {
// unsafe { TODO: call ffi:g_output_stream_writev_all_async() }
//}
//
//#[cfg(any(feature = "v2_60", feature = "dox"))]
//#[cfg_attr(feature = "dox", doc(cfg(feature = "v2_60")))]
//fn writev_all_future(&self, vectors: /*Ignored*/&[OutputVector], io_priority: glib::Priority) -> Pin<Box_<dyn std::future::Future<Output = Result<usize, glib::Error>> + 'static>> {
//let vectors = vectors.clone();
//Box_::pin(crate::GioFuture::new(self, move |obj, cancellable, send| {
// obj.writev_all_async(
// &vectors,
// io_priority,
// Some(cancellable),
// move |res| {
// send.resolve(res);
// },
// );
//}))
//}
//#[cfg(any(feature = "v2_60", feature = "dox"))]
//#[cfg_attr(feature = "dox", doc(cfg(feature = "v2_60")))]
//fn writev_async<P: FnOnce(Result<usize, glib::Error>) + 'static>(&self, vectors: /*Ignored*/&[OutputVector], io_priority: glib::Priority, cancellable: Option<&impl IsA<Cancellable>>, callback: P) {
// unsafe { TODO: call ffi:g_output_stream_writev_async() }
//}
//
//#[cfg(any(feature = "v2_60", feature = "dox"))]
//#[cfg_attr(feature = "dox", doc(cfg(feature = "v2_60")))]
//fn writev_future(&self, vectors: /*Ignored*/&[OutputVector], io_priority: glib::Priority) -> Pin<Box_<dyn std::future::Future<Output = Result<usize, glib::Error>> + 'static>> {
//let vectors = vectors.clone();
//Box_::pin(crate::GioFuture::new(self, move |obj, cancellable, send| {
// obj.writev_async(
// &vectors,
// io_priority,
// Some(cancellable),
// move |res| {
// send.resolve(res);
// },
// );
//}))
//}
}
impl fmt::Display for OutputStream {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str("OutputStream")
}
}