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decompressors.tar: now working!

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This commit is contained in:
Vinícius Rodrigues Miguel 2021-03-21 04:23:00 -03:00
parent b6d4e50cca
commit d351a8ef7b
2 changed files with 43 additions and 40 deletions
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42
src/decompressors/tar.rs
View File

@ -1,33 +1,53 @@
use std::{fs, path::{Path, PathBuf}};
use crate::file::File;
use crate::error::OuchResult;
use std::{
fs,
path::{Path, PathBuf},
};
use colored::Colorize;
use tar;
use crate::error::OuchResult;
use crate::file::File;
pub struct Decompressor {}
impl Decompressor {
pub fn decompress(from: &File, into: &Option<File>) -> OuchResult<()> {
pub fn decompress(from: &File, into: &Option<File>) -> OuchResult<()> {
let destination_path = match into {
Some(output) => {
// Must be None according to the way command-line arg. parsing in Ouch works
assert_eq!(output.extension, None);
Path::new(&output.path)
}
None => Path::new(".")
None => Path::new("."),
};
if !destination_path.exists() {
println!("{}: attempting to create folder {:?}.", "info".yellow(), &destination_path);
println!(
"{}: attempting to create folder {:?}.",
"info".yellow(),
&destination_path
);
std::fs::create_dir_all(destination_path)?;
println!("{}: directory {:#?} created.", "info".yellow(), fs::canonicalize(&destination_path)?);
println!(
"{}: directory {:#?} created.",
"info".yellow(),
fs::canonicalize(&destination_path)?
);
}
let file = fs::File::open(&from.path)?;
let mut archive = tar::Archive::new(file);
for file in archive.entries().unwrap() {
let mut file = file?;
file.unpack_in(destination_path)?;
// TODO: save all unpacked files into a 'transaction' metadata
}
Ok(())
}
}
}

41
src/main.rs
View File

@ -1,6 +1,7 @@
use std::{convert::TryFrom, fs::File, path::{Path, PathBuf}};
use colored::Colorize;
use error::{Error, OuchResult};
use tar::Archive;
mod cli;
@ -12,34 +13,16 @@ mod evaluator;
mod decompressors;
fn main() {
// let matches = cli::get_matches();
// match cli::Command::try_from(matches) {
// Ok(command) => {
// let mut eval = evaluator::Evaluator::new(command);
// eval.evaluate();
// }
// Err(err) => {
// print!("{}: {}\n", "error".red(), err);
// }
// }
// Testing tar unarchival
let file = File::open("ouch.tar").unwrap();
let mut a = Archive::new(file);
for file in a.entries().unwrap() {
// Make sure there wasn't an I/O error
let mut file = file.unwrap();
let path = if let Ok(path) = file.path() {
path
} else {
continue;
};
let name = path.to_string_lossy();
file.unpack(format!("{}", name)).unwrap();
fn main() -> OuchResult<()>{
let matches = cli::get_matches();
match cli::Command::try_from(matches) {
Ok(command) => {
let mut eval = evaluator::Evaluator::new(command);
eval.evaluate()?;
}
Err(err) => {
print!("{}: {}\n", "error".red(), err);
}
}
Ok(())
}