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#[macro_use]
extern crate clap;
extern crate geniza;
// TODO: more careful import
use geniza::*;
use std::path::Path;
use clap::{App, SubCommand};
fn run() -> Result<()> {
let matches = App::new("geniza-sleep")
.version(env!("CARGO_PKG_VERSION"))
.subcommand(SubCommand::with_name("info")
.about("Reads a SLEEP file and shows some basic metadata")
.arg_from_usage("<FILE> 'SLEEP file to read'"))
.subcommand(SubCommand::with_name("create")
.about("Creates an empty SLEEP file (with header)")
.arg_from_usage("<FILE> 'SLEEP file to write (can't exist)'")
.arg_from_usage("<magic> 'Magic word to use (eg, 0x5025700)'")
.arg_from_usage("<entry_size> 'Size of each entry (bytes)'")
.arg_from_usage("<algo_name> 'Name of algorithm (empty string for none)'"))
.get_matches();
match matches.subcommand() {
("info", Some(subm)) => {
let path = Path::new(subm.value_of("FILE").unwrap());
let sf = SleepFile::open(path, false)?;
//debug!(println!("{:?}", sf));
println!("Magic: 0x{:X}", sf.get_magic());
println!("Algorithm: '{}'", sf.get_algorithm().or(Some("".to_string())).unwrap());
println!("Entry Size (bytes): {}", sf.get_entry_size());
println!("Entry count: {}", sf.length()?);
},
("create", Some(subm)) => {
let path = Path::new(subm.value_of("FILE").unwrap());
let algo_name = subm.value_of("algo_name").unwrap();
let algo_name = if algo_name.len() == 0 {
None
} else {
Some(algo_name.to_string())
};
SleepFile::create(
path,
value_t_or_exit!(subm, "magic", u32),
value_t_or_exit!(subm, "entry_size", u16),
algo_name)?;
println!("Done!");
},
_ => {
println!("Missing or unimplemented command!");
println!("{}", matches.usage());
::std::process::exit(-1);
},
}
Ok(())
}
// TODO: is there a shorter error_chain 'main()' to use here?
fn main() {
if let Err(ref e) = run() {
println!("error: {}", e);
for e in e.iter().skip(1) {
println!("caused by: {}", e);
}
// The backtrace is not always generated. Try to run this example
// with `RUST_BACKTRACE=1`.
if let Some(backtrace) = e.backtrace() {
println!("backtrace: {:?}", backtrace);
}
::std::process::exit(1);
}
}
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