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use std::os::raw::c_char;
use std::path::Path;
use crate::internal_prelude::*;
#[derive(Clone, Debug, Eq, Ord, PartialEq, PartialOrd, Hash)]
pub struct StreamingGenerator(pub(crate) Handle);
impl StreamingGenerator {
pub fn from_file<P: AsRef<Path>>(context: &Context, path: P) -> Result<StreamingGenerator> {
let path = path.as_ref();
let u_str = path
.to_str()
.ok_or_else(|| Error::rust_error("Path is not valid utf8"))?;
let c_str = std::ffi::CString::new(u_str)
.map_err(|_| Error::rust_error("Path contains a NULL byte"))?;
wrap_constructor(|ud, cb| {
let mut h = Default::default();
check_error(unsafe {
syz_createStreamingGeneratorFromFile(
&mut h,
context.to_syz_handle(),
c_str.as_ptr(),
null_mut(),
ud,
Some(cb),
)
})?;
Ok(StreamingGenerator(Handle::new(h)))
})
}
pub fn from_stream_handle(
context: &Context,
handle: StreamHandle,
) -> Result<StreamingGenerator> {
handle.with_userdata(move |sh, ud, cb| {
let mut out = 0;
check_error(unsafe {
syz_createStreamingGeneratorFromStreamHandle(
&mut out as *mut syz_Handle,
context.to_syz_handle(),
sh,
null_mut(),
ud,
Some(cb),
)
})?;
let ret = StreamingGenerator(Handle::new(out));
Ok(ret)
})
}
pub fn from_stream_params(
context: &Context,
protocol: &str,
path: &str,
param: usize,
) -> Result<StreamingGenerator> {
wrap_constructor(|ud, cb| {
let mut h = Default::default();
let protocol_c = std::ffi::CString::new(protocol)
.map_err(|_| Error::rust_error("Unable to convert protocol to a C string"))?;
let path_c = std::ffi::CString::new(path)
.map_err(|_| Error::rust_error("Unable to convert path to a C string"))?;
let protocol_ptr = protocol_c.as_ptr();
let path_ptr = path_c.as_ptr();
check_error(unsafe {
syz_createStreamingGeneratorFromStreamParams(
&mut h as *mut syz_Handle,
context.to_syz_handle(),
protocol_ptr as *const c_char,
path_ptr as *const c_char,
std::mem::transmute(param),
null_mut(),
ud,
Some(cb),
)
})?;
Ok(StreamingGenerator(Handle::new(h)))
})
}
generator_properties!();
bool_p!(SYZ_P_LOOPING, looping);
double_p!(SYZ_P_PLAYBACK_POSITION, playback_position);
object_common!();
pausable_common!();
}
handle_traits!(StreamingGenerator);