vendor/object-0.22.0/examples/ar.rs

   1 use std::{env, fs, process};
   2
   3 fn main() {
   4     let mut args = env::args().skip(1);
   5     if args.len() < 2 {
   6         eprintln!(
   7             "Usage: {} <op> <archive> [<member>...]",
   8             env::args().next().unwrap()
   9         );
  10         process::exit(1);
  11     }
  12
  13     let op = args.next().unwrap();
  14     let file_path = args.next().unwrap();
  15
  16     let file = match fs::File::open(&file_path) {
  17         Ok(file) => file,
  18         Err(err) => {
  19             println!("Failed to open file '{}': {}", file_path, err,);
  20             return;
  21         }
  22     };
  23     let file = match unsafe { memmap::Mmap::map(&file) } {
  24         Ok(mmap) => mmap,
  25         Err(err) => {
  26             println!("Failed to map file '{}': {}", file_path, err,);
  27             return;
  28         }
  29     };
  30     let archive = match object::read::archive::ArchiveFile::parse(&*file) {
  31         Ok(file) => file,
  32         Err(err) => {
  33             println!("Failed to parse file '{}': {}", file_path, err);
  34             return;
  35         }
  36     };
  37     match op.chars().next().unwrap() {
  38         't' => {
  39             println!("kind: {:?}", archive.kind());
  40             for member in archive.members() {
  41                 let member = member.unwrap();
  42                 println!("{}", String::from_utf8_lossy(member.name()));
  43             }
  44         }
  45         op => println!("Invalid operation: {}", op),
  46     }
  47 }