1use gio_sys;
2use glib::object::IsA;
3use glib::translate::*;
4use std::mem;
5use std::ptr;
6use Converter;
7use ConverterFlags;
8use ConverterResult;
9use Error;
10
11pub trait ConverterExtManual {
12 fn convert<IN: AsRef<[u8]>, OUT: AsMut<[u8]>>(
13 &self,
14 inbuf: IN,
15 outbuf: OUT,
16 flags: ConverterFlags,
17 ) -> Result<(ConverterResult, usize, usize), Error>;
18}
19
20impl<O: IsA<Converter>> ConverterExtManual for O {
21 fn convert<IN: AsRef<[u8]>, OUT: AsMut<[u8]>>(
22 &self,
23 inbuf: IN,
24 outbuf: OUT,
25 flags: ConverterFlags,
26 ) -> Result<(ConverterResult, usize, usize), Error> {
27 let inbuf: Box<IN> = Box::new(inbuf);
28 let (inbuf_size, inbuf) = {
29 let slice = (*inbuf).as_ref();
30 (slice.len(), slice.as_ptr())
31 };
32 let mut outbuf: Box<OUT> = Box::new(outbuf);
33 let (outbuf_size, outbuf) = {
34 let slice = (*outbuf).as_mut();
35 (slice.len(), slice.as_mut_ptr())
36 };
37 unsafe {
38 let mut bytes_read = mem::uninitialized();
39 let mut bytes_written = mem::uninitialized();
40 let mut error = ptr::null_mut();
41 let ret = gio_sys::g_converter_convert(
42 self.as_ref().to_glib_none().0,
43 mut_override(inbuf),
44 inbuf_size,
45 outbuf,
46 outbuf_size,
47 flags.to_glib(),
48 &mut bytes_read,
49 &mut bytes_written,
50 &mut error,
51 );
52 if error.is_null() {
53 Ok((from_glib(ret), bytes_read, bytes_written))
54 } else {
55 Err(from_glib_full(error))
56 }
57 }
58 }
59}