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use crate::fm_error::{FmError, FmResult};
use flate2::read::{GzDecoder, ZlibDecoder};
use std::fs::File;
use std::path::Path;
use tar::Archive;
/// Decompress a zipped compressed file into its parent directory.
/// It may fail an return a `FmError` if the file has no parent,
/// which should be impossible.
pub fn decompress_zip(source: &Path) -> FmResult<()> {
let file = File::open(source)?;
let mut zip = zip::ZipArchive::new(file)?;
let parent = source
.parent()
.ok_or_else(|| FmError::custom("decompress", "source should have a parent"))?;
zip.extract(parent)?;
Ok(())
}
/// Decompress a gz compressed file into its parent directory.
/// It may fail an return a `FmError` if the file has no parent,
/// which should be impossible.
pub fn decompress_gz(source: &Path) -> FmResult<()> {
let tar_gz = File::open(source)?;
let tar = GzDecoder::new(tar_gz);
let mut archive = Archive::new(tar);
let parent = source
.parent()
.ok_or_else(|| FmError::custom("decompress", "source should have a parent"))?;
archive.unpack(parent)?;
Ok(())
}
/// Decompress a zlib compressed file into its parent directory.
/// It may fail an return a `FmError` if the file has no parent,
/// which should be impossible.
pub fn decompress_xz(source: &Path) -> FmResult<()> {
let tar_xz = File::open(source)?;
let tar = ZlibDecoder::new(tar_xz);
let mut archive = Archive::new(tar);
let parent = source
.parent()
.ok_or_else(|| FmError::custom("decompress", "source should have a parent"))?;
archive.unpack(parent)?;
Ok(())
}
pub fn list_files_zip<P>(source: P) -> FmResult<Vec<String>>
where
P: AsRef<Path>,
{
let file = File::open(source)?;
let mut content = vec![];
let mut zip = zip::ZipArchive::new(file)?;
for i in 0..zip.len() {
let file = zip.by_index(i)?;
content.push(file.name().to_owned());
}
Ok(content)
}
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