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use crate::{com::ByteCount, Compressor, Decompress, Decompressor};
use std::io::copy;
use std::io::{Read, Result, Seek, Write};
#[derive(Debug, Copy, Clone)]
pub struct StoredDecompressor;
impl Decompressor for StoredDecompressor {
fn new() -> Self {
StoredDecompressor
}
fn copy<R: Read, W: Write>(&self, mut source: R, mut dest: W) -> Result<u64> {
copy(&mut source, &mut dest)
}
fn from_reader<R: Read, V: Decompress>(&self, reader: R) -> Result<V>
where
Self: Sized,
{
V::from_reader(reader)
}
}
#[derive(Debug, Copy, Clone)]
pub struct StoredCompressor;
impl Compressor for StoredCompressor {
fn new() -> Self {
StoredCompressor
}
fn compress<W: Write + Seek, R: Read>(
&self,
writer: &mut W,
reader: &mut R,
) -> Result<ByteCount> {
let read = copy(reader, writer)?;
Ok(ByteCount { read, write: read })
}
}