mirror of
https://github.com/FliegendeWurst/ripgrep-all.git
synced 2024-11-24 12:24:56 +00:00
simplify tar
This commit is contained in:
parent
b69f903b58
commit
434063907d
@ -4,7 +4,6 @@ use ::tar::EntryType::Regular;
|
|||||||
use failure::*;
|
use failure::*;
|
||||||
use lazy_static::lazy_static;
|
use lazy_static::lazy_static;
|
||||||
|
|
||||||
use std::io::BufReader;
|
|
||||||
use std::path::PathBuf;
|
use std::path::PathBuf;
|
||||||
|
|
||||||
static EXTENSIONS: &[&str] = &["tar", "tar.gz", "tar.bz2", "tar.xz", "tar.zst"];
|
static EXTENSIONS: &[&str] = &["tar", "tar.gz", "tar.bz2", "tar.xz", "tar.zst"];
|
||||||
@ -33,39 +32,18 @@ impl GetMetadata for TarAdapter {
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
// feeling a little stupid here. why is this needed at all
|
fn decompress_any<'a, R>(filename: &Path, inp: &'a mut R) -> Fallible<Box<dyn Read + 'a>>
|
||||||
enum SpecRead<R: Read> {
|
|
||||||
Gz(flate2::read::MultiGzDecoder<R>),
|
|
||||||
Bz2(bzip2::read::BzDecoder<R>),
|
|
||||||
Xz(xz2::read::XzDecoder<R>),
|
|
||||||
Zst(zstd::stream::read::Decoder<BufReader<R>>),
|
|
||||||
Passthrough(R),
|
|
||||||
}
|
|
||||||
impl<R: Read> Read for SpecRead<R> {
|
|
||||||
fn read(&mut self, buf: &mut [u8]) -> std::io::Result<usize> {
|
|
||||||
use SpecRead::*;
|
|
||||||
match self {
|
|
||||||
Gz(z) => z.read(buf),
|
|
||||||
Bz2(z) => z.read(buf),
|
|
||||||
Xz(z) => z.read(buf),
|
|
||||||
Zst(z) => z.read(buf),
|
|
||||||
Passthrough(z) => z.read(buf),
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
// why do I need to wrap the output here in a specific type? is it possible with just a Box<Read> for every type?
|
|
||||||
fn decompress_any<'a, R>(filename: &Path, inp: &'a mut R) -> Fallible<SpecRead<&'a mut R>>
|
|
||||||
where
|
where
|
||||||
R: Read,
|
R: Read,
|
||||||
{
|
{
|
||||||
let extension = filename.extension().map(|e| e.to_string_lossy().to_owned());
|
let extension = filename.extension().map(|e| e.to_string_lossy().to_owned());
|
||||||
match extension {
|
match extension {
|
||||||
Some(e) => Ok(match e.to_owned().as_ref() {
|
Some(e) => Ok(match e.to_owned().as_ref() {
|
||||||
"gz" => SpecRead::Gz(flate2::read::MultiGzDecoder::new(inp)),
|
"gz" => Box::new(flate2::read::MultiGzDecoder::new(inp)),
|
||||||
"bz2" => SpecRead::Bz2(bzip2::read::BzDecoder::new(inp)),
|
"bz2" => Box::new(bzip2::read::BzDecoder::new(inp)),
|
||||||
"xz" => SpecRead::Xz(xz2::read::XzDecoder::new_multi_decoder(inp)),
|
"xz" => Box::new(xz2::read::XzDecoder::new_multi_decoder(inp)),
|
||||||
"zst" => SpecRead::Zst(zstd::stream::read::Decoder::new(inp)?),
|
"zst" => Box::new(zstd::stream::read::Decoder::new(inp)?),
|
||||||
"tar" => SpecRead::Passthrough(inp),
|
"tar" => Box::new(inp),
|
||||||
ext => Err(format_err!("don't know how to decompress {}", ext))?,
|
ext => Err(format_err!("don't know how to decompress {}", ext))?,
|
||||||
}),
|
}),
|
||||||
None => Err(format_err!("no extension")),
|
None => Err(format_err!("no extension")),
|
||||||
|
Loading…
Reference in New Issue
Block a user