use crate::{Decode, Xz2Decoder};
use compression_core::util::PartialBuffer;
use std::{convert::TryInto, io::Result};
/// Lzma decoding stream
#[derive(Debug)]
pub struct LzmaDecoder {
inner: Xz2Decoder,
}
impl From<Xz2Decoder> for LzmaDecoder {
fn from(inner: Xz2Decoder) -> Self {
Self { inner }
}
}
impl Default for LzmaDecoder {
fn default() -> Self {
Self {
inner: Xz2Decoder::new(usize::MAX.try_into().unwrap()),
}
}
}
impl LzmaDecoder {
pub fn new() -> Self {
Self::default()
}
pub fn with_memlimit(memlimit: u64) -> Self {
Self {
inner: Xz2Decoder::new(memlimit),
}
}
}
impl Decode for LzmaDecoder {
fn reinit(&mut self) -> Result<()> {
self.inner.reinit()
}
fn decode(
&mut self,
input: &mut PartialBuffer<impl AsRef<[u8]>>,
output: &mut PartialBuffer<impl AsRef<[u8]> + AsMut<[u8]>>,
) -> Result<bool> {
self.inner.decode(input, output)
}
fn flush(
&mut self,
output: &mut PartialBuffer<impl AsRef<[u8]> + AsMut<[u8]>>,
) -> Result<bool> {
self.inner.flush(output)
}
fn finish(
&mut self,
output: &mut PartialBuffer<impl AsRef<[u8]> + AsMut<[u8]>>,
) -> Result<bool> {
self.inner.finish(output)
}
}
