use gio_sys;
use glib;
use glib::object::Cast;
use glib::object::IsA;
use glib::signal::connect_raw;
use glib::signal::SignalHandlerId;
use glib::translate::*;
use glib::StaticType;
use glib::ToValue;
use glib_sys;
use gobject_sys;
use std::boxed::Box as Box_;
use std::fmt;
use std::mem;
use std::mem::transmute;
use std::pin::Pin;
use std::ptr;
use Cancellable;
use FilterInputStream;
use InputStream;
use Seekable;
glib_wrapper! {
pub struct BufferedInputStream(Object<gio_sys::GBufferedInputStream, gio_sys::GBufferedInputStreamClass, BufferedInputStreamClass>) @extends FilterInputStream, InputStream, @implements Seekable;
match fn {
get_type => || gio_sys::g_buffered_input_stream_get_type(),
}
}
impl BufferedInputStream {
pub fn new<P: IsA<InputStream>>(base_stream: &P) -> BufferedInputStream {
unsafe {
InputStream::from_glib_full(gio_sys::g_buffered_input_stream_new(
base_stream.as_ref().to_glib_none().0,
))
.unsafe_cast()
}
}
pub fn new_sized<P: IsA<InputStream>>(base_stream: &P, size: usize) -> BufferedInputStream {
unsafe {
InputStream::from_glib_full(gio_sys::g_buffered_input_stream_new_sized(
base_stream.as_ref().to_glib_none().0,
size,
))
.unsafe_cast()
}
}
}
#[derive(Clone, Default)]
pub struct BufferedInputStreamBuilder {
buffer_size: Option<u32>,
base_stream: Option<InputStream>,
close_base_stream: Option<bool>,
}
impl BufferedInputStreamBuilder {
pub fn new() -> Self {
Self::default()
}
pub fn build(self) -> BufferedInputStream {
let mut properties: Vec<(&str, &dyn ToValue)> = vec![];
if let Some(ref buffer_size) = self.buffer_size {
properties.push(("buffer-size", buffer_size));
}
if let Some(ref base_stream) = self.base_stream {
properties.push(("base-stream", base_stream));
}
if let Some(ref close_base_stream) = self.close_base_stream {
properties.push(("close-base-stream", close_base_stream));
}
glib::Object::new(BufferedInputStream::static_type(), &properties)
.expect("object new")
.downcast()
.expect("downcast")
}
pub fn buffer_size(mut self, buffer_size: u32) -> Self {
self.buffer_size = Some(buffer_size);
self
}
pub fn base_stream<P: IsA<InputStream>>(mut self, base_stream: &P) -> Self {
self.base_stream = Some(base_stream.clone().upcast());
self
}
pub fn close_base_stream(mut self, close_base_stream: bool) -> Self {
self.close_base_stream = Some(close_base_stream);
self
}
}
pub const NONE_BUFFERED_INPUT_STREAM: Option<&BufferedInputStream> = None;
pub trait BufferedInputStreamExt: 'static {
fn fill<P: IsA<Cancellable>>(
&self,
count: isize,
cancellable: Option<&P>,
) -> Result<isize, glib::Error>;
fn fill_async<P: IsA<Cancellable>, Q: FnOnce(Result<isize, glib::Error>) + Send + 'static>(
&self,
count: isize,
io_priority: glib::Priority,
cancellable: Option<&P>,
callback: Q,
);
fn fill_async_future(
&self,
count: isize,
io_priority: glib::Priority,
) -> Pin<Box_<dyn std::future::Future<Output = Result<isize, glib::Error>> + 'static>>;
fn get_available(&self) -> usize;
fn get_buffer_size(&self) -> usize;
fn peek_buffer(&self) -> Vec<u8>;
fn read_byte<P: IsA<Cancellable>>(&self, cancellable: Option<&P>) -> Result<i32, glib::Error>;
fn set_buffer_size(&self, size: usize);
fn connect_property_buffer_size_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;
}
impl<O: IsA<BufferedInputStream>> BufferedInputStreamExt for O {
fn fill<P: IsA<Cancellable>>(
&self,
count: isize,
cancellable: Option<&P>,
) -> Result<isize, glib::Error> {
unsafe {
let mut error = ptr::null_mut();
let ret = gio_sys::g_buffered_input_stream_fill(
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))
}
}
}
fn fill_async<P: IsA<Cancellable>, Q: FnOnce(Result<isize, glib::Error>) + Send + 'static>(
&self,
count: isize,
io_priority: glib::Priority,
cancellable: Option<&P>,
callback: Q,
) {
let user_data: Box_<Q> = Box_::new(callback);
unsafe extern "C" fn fill_async_trampoline<
Q: FnOnce(Result<isize, glib::Error>) + Send + 'static,
>(
_source_object: *mut gobject_sys::GObject,
res: *mut gio_sys::GAsyncResult,
user_data: glib_sys::gpointer,
) {
let mut error = ptr::null_mut();
let ret = gio_sys::g_buffered_input_stream_fill_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_<Q> = Box_::from_raw(user_data as *mut _);
callback(result);
}
let callback = fill_async_trampoline::<Q>;
unsafe {
gio_sys::g_buffered_input_stream_fill_async(
self.as_ref().to_glib_none().0,
count,
io_priority.to_glib(),
cancellable.map(|p| p.as_ref()).to_glib_none().0,
Some(callback),
Box_::into_raw(user_data) as *mut _,
);
}
}
fn fill_async_future(
&self,
count: isize,
io_priority: glib::Priority,
) -> Pin<Box_<dyn std::future::Future<Output = Result<isize, glib::Error>> + 'static>> {
Box_::pin(crate::GioFuture::new(self, move |obj, send| {
let cancellable = Cancellable::new();
obj.fill_async(count, io_priority, Some(&cancellable), move |res| {
send.resolve(res);
});
cancellable
}))
}
fn get_available(&self) -> usize {
unsafe { gio_sys::g_buffered_input_stream_get_available(self.as_ref().to_glib_none().0) }
}
fn get_buffer_size(&self) -> usize {
unsafe { gio_sys::g_buffered_input_stream_get_buffer_size(self.as_ref().to_glib_none().0) }
}
fn peek_buffer(&self) -> Vec<u8> {
unsafe {
let mut count = mem::MaybeUninit::uninit();
let ret = FromGlibContainer::from_glib_none_num(
gio_sys::g_buffered_input_stream_peek_buffer(
self.as_ref().to_glib_none().0,
count.as_mut_ptr(),
),
count.assume_init() as usize,
);
ret
}
}
fn read_byte<P: IsA<Cancellable>>(&self, cancellable: Option<&P>) -> Result<i32, glib::Error> {
unsafe {
let mut error = ptr::null_mut();
let ret = gio_sys::g_buffered_input_stream_read_byte(
self.as_ref().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 set_buffer_size(&self, size: usize) {
unsafe {
gio_sys::g_buffered_input_stream_set_buffer_size(self.as_ref().to_glib_none().0, size);
}
}
fn connect_property_buffer_size_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
unsafe extern "C" fn notify_buffer_size_trampoline<P, F: Fn(&P) + 'static>(
this: *mut gio_sys::GBufferedInputStream,
_param_spec: glib_sys::gpointer,
f: glib_sys::gpointer,
) where
P: IsA<BufferedInputStream>,
{
let f: &F = &*(f as *const F);
f(&BufferedInputStream::from_glib_borrow(this).unsafe_cast())
}
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"notify::buffer-size\0".as_ptr() as *const _,
Some(transmute(notify_buffer_size_trampoline::<Self, F> as usize)),
Box_::into_raw(f),
)
}
}
}
impl fmt::Display for BufferedInputStream {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "BufferedInputStream")
}
}