gio/auto/
memory_output_stream.rs

1// This file was generated by gir (https://github.com/gtk-rs/gir)
2// from gir-files (https://github.com/gtk-rs/gir-files)
3// DO NOT EDIT
4
5use gio_sys;
6use glib;
7use glib::object::Cast;
8use glib::object::IsA;
9use glib::signal::connect_raw;
10use glib::signal::SignalHandlerId;
11use glib::translate::*;
12use glib_sys;
13use std::boxed::Box as Box_;
14use std::fmt;
15use std::mem::transmute;
16use OutputStream;
17use PollableOutputStream;
18use Seekable;
19
20glib_wrapper! {
21    pub struct MemoryOutputStream(Object<gio_sys::GMemoryOutputStream, gio_sys::GMemoryOutputStreamClass, MemoryOutputStreamClass>) @extends OutputStream, @implements PollableOutputStream, Seekable;
22
23    match fn {
24        get_type => || gio_sys::g_memory_output_stream_get_type(),
25    }
26}
27
28impl MemoryOutputStream {
29    pub fn new_resizable() -> MemoryOutputStream {
30        unsafe {
31            OutputStream::from_glib_full(gio_sys::g_memory_output_stream_new_resizable())
32                .unsafe_cast()
33        }
34    }
35}
36
37pub const NONE_MEMORY_OUTPUT_STREAM: Option<&MemoryOutputStream> = None;
38
39pub trait MemoryOutputStreamExt: 'static {
40    fn get_data_size(&self) -> usize;
41
42    fn steal_as_bytes(&self) -> Option<glib::Bytes>;
43
44    fn connect_property_data_size_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;
45}
46
47impl<O: IsA<MemoryOutputStream>> MemoryOutputStreamExt for O {
48    fn get_data_size(&self) -> usize {
49        unsafe { gio_sys::g_memory_output_stream_get_data_size(self.as_ref().to_glib_none().0) }
50    }
51
52    fn steal_as_bytes(&self) -> Option<glib::Bytes> {
53        unsafe {
54            from_glib_full(gio_sys::g_memory_output_stream_steal_as_bytes(
55                self.as_ref().to_glib_none().0,
56            ))
57        }
58    }
59
60    fn connect_property_data_size_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
61        unsafe extern "C" fn notify_data_size_trampoline<P, F: Fn(&P) + 'static>(
62            this: *mut gio_sys::GMemoryOutputStream,
63            _param_spec: glib_sys::gpointer,
64            f: glib_sys::gpointer,
65        ) where
66            P: IsA<MemoryOutputStream>,
67        {
68            let f: &F = &*(f as *const F);
69            f(&MemoryOutputStream::from_glib_borrow(this).unsafe_cast())
70        }
71        unsafe {
72            let f: Box_<F> = Box_::new(f);
73            connect_raw(
74                self.as_ptr() as *mut _,
75                b"notify::data-size\0".as_ptr() as *const _,
76                Some(transmute(notify_data_size_trampoline::<Self, F> as usize)),
77                Box_::into_raw(f),
78            )
79        }
80    }
81}
82
83impl fmt::Display for MemoryOutputStream {
84    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
85        write!(f, "MemoryOutputStream")
86    }
87}