use Cancellable;
use Error;
use FilterInputStream;
use InputStream;
use Seekable;
use ffi;
#[cfg(feature = "futures")]
use futures_core;
use glib;
use glib::object::Cast;
use glib::object::IsA;
use glib::signal::SignalHandlerId;
use glib::signal::connect_raw;
use glib::translate::*;
use glib_ffi;
use gobject_ffi;
use std::boxed::Box as Box_;
use std::fmt;
use std::mem;
use std::mem::transmute;
use std::ptr;
glib_wrapper! {
pub struct BufferedInputStream(Object<ffi::GBufferedInputStream, ffi::GBufferedInputStreamClass, BufferedInputStreamClass>) @extends FilterInputStream, InputStream, @implements Seekable;
match fn {
get_type => || ffi::g_buffered_input_stream_get_type(),
}
}
impl BufferedInputStream {
pub fn new<P: IsA<InputStream>>(base_stream: &P) -> BufferedInputStream {
unsafe {
InputStream::from_glib_full(ffi::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(ffi::g_buffered_input_stream_new_sized(base_stream.as_ref().to_glib_none().0, size)).unsafe_cast()
}
}
}
pub const NONE_BUFFERED_INPUT_STREAM: Option<&BufferedInputStream> = None;
pub trait BufferedInputStreamExt: 'static {
fn fill<'a, P: IsA<Cancellable> + 'a, Q: Into<Option<&'a P>>>(&self, count: isize, cancellable: Q) -> Result<isize, Error>;
fn fill_async<'a, P: IsA<Cancellable> + 'a, Q: Into<Option<&'a P>>, R: FnOnce(Result<isize, Error>) + Send + 'static>(&self, count: isize, io_priority: glib::Priority, cancellable: Q, callback: R);
#[cfg(feature = "futures")]
fn fill_async_future(&self, count: isize, io_priority: glib::Priority) -> Box_<futures_core::Future<Item = (Self, isize), Error = (Self, Error)>> where Self: Sized + Clone;
fn get_available(&self) -> usize;
fn get_buffer_size(&self) -> usize;
fn peek_buffer(&self) -> Vec<u8>;
fn read_byte<'a, P: IsA<Cancellable> + 'a, Q: Into<Option<&'a P>>>(&self, cancellable: Q) -> Result<i32, 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<'a, P: IsA<Cancellable> + 'a, Q: Into<Option<&'a P>>>(&self, count: isize, cancellable: Q) -> Result<isize, Error> {
let cancellable = cancellable.into();
unsafe {
let mut error = ptr::null_mut();
let ret = ffi::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<'a, P: IsA<Cancellable> + 'a, Q: Into<Option<&'a P>>, R: FnOnce(Result<isize, Error>) + Send + 'static>(&self, count: isize, io_priority: glib::Priority, cancellable: Q, callback: R) {
let cancellable = cancellable.into();
let user_data: Box<R> = Box::new(callback);
unsafe extern "C" fn fill_async_trampoline<R: FnOnce(Result<isize, Error>) + Send + 'static>(_source_object: *mut gobject_ffi::GObject, res: *mut ffi::GAsyncResult, user_data: glib_ffi::gpointer) {
let mut error = ptr::null_mut();
let ret = ffi::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<R> = Box::from_raw(user_data as *mut _);
callback(result);
}
let callback = fill_async_trampoline::<R>;
unsafe {
ffi::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 _);
}
}
#[cfg(feature = "futures")]
fn fill_async_future(&self, count: isize, io_priority: glib::Priority) -> Box_<futures_core::Future<Item = (Self, isize), Error = (Self, Error)>> where Self: Sized + Clone {
use GioFuture;
use fragile::Fragile;
GioFuture::new(self, move |obj, send| {
let cancellable = Cancellable::new();
let send = Fragile::new(send);
let obj_clone = Fragile::new(obj.clone());
obj.fill_async(
count,
io_priority,
Some(&cancellable),
move |res| {
let obj = obj_clone.into_inner();
let res = res.map(|v| (obj.clone(), v)).map_err(|v| (obj.clone(), v));
let _ = send.into_inner().send(res);
},
);
cancellable
})
}
fn get_available(&self) -> usize {
unsafe {
ffi::g_buffered_input_stream_get_available(self.as_ref().to_glib_none().0)
}
}
fn get_buffer_size(&self) -> usize {
unsafe {
ffi::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::uninitialized();
let ret = FromGlibContainer::from_glib_none_num(ffi::g_buffered_input_stream_peek_buffer(self.as_ref().to_glib_none().0, &mut count), count as usize);
ret
}
}
fn read_byte<'a, P: IsA<Cancellable> + 'a, Q: Into<Option<&'a P>>>(&self, cancellable: Q) -> Result<i32, Error> {
let cancellable = cancellable.into();
unsafe {
let mut error = ptr::null_mut();
let ret = ffi::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 {
ffi::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 {
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))
}
}
}
unsafe extern "C" fn notify_buffer_size_trampoline<P, F: Fn(&P) + 'static>(this: *mut ffi::GBufferedInputStream, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
where P: IsA<BufferedInputStream> {
let f: &F = transmute(f);
f(&BufferedInputStream::from_glib_borrow(this).unsafe_cast())
}
impl fmt::Display for BufferedInputStream {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "BufferedInputStream")
}
}