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|
mod args;
use crate::args::Parser;
use std::process::ExitCode;
fn parse_args() -> Result<bool, String> {
let mut options = args::Options::new();
let help_idx = options.push(
args::OptionBuilder::default()
.short('h')
.long("help")
.description("display this and exit")
.build().unwrap());
let version_idx = options.push(
args::OptionBuilder::default()
.short('V')
.long("version")
.description("display version and exit")
.build().unwrap());
let verbose_idx = options.push(
args::OptionBuilder::default()
.long("verbose")
.description("be verbose")
.build().unwrap());
let test_idx = options.push(
args::OptionBuilder::default()
.short('t')
.long("test")
.description("testing")
.value(args::ValueRequirement::Required("FILE"))
.build().unwrap());
let parser = args::ShortAndLongParser::new();
let args = parser.run(&mut options, std::env::args())?;
let ref help = options[help_idx];
if help.is_set() {
parser.print_help(&options);
return Ok(true);
}
let ref version = options[version_idx];
if version.is_set() {
println!("Version is 0.0.1");
return Ok(true);
}
let ref verbose = options[verbose_idx];
let ref test = options[test_idx];
println!("verbose: {}", verbose.is_set());
println!("test: {:?}", test.value());
println!("args: {:?}", args.args);
Ok(false)
}
fn main() -> ExitCode {
match parse_args() {
Ok(exit) => {
if exit {
return ExitCode::SUCCESS;
}
}
Err(msg) => {
eprintln!("{}", msg);
return ExitCode::FAILURE;
}
}
ExitCode::SUCCESS
}
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