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extern crate clap;
use clap::{App, Arg};
use std::env;
use std::io::Error;
use std::io::ErrorKind;
use std::process;
/// Central application entry point.
fn main() {
let desc: &str = &format!(
"{}\n{}",
env!("CARGO_PKG_DESCRIPTION"),
env!("CARGO_PKG_HOMEPAGE")
);
let app = App::new(env!("CARGO_PKG_NAME"))
.version(env!("CARGO_PKG_VERSION"))
.about(desc)
.arg(
Arg::with_name(hx::ARG_COL)
.short("c")
.long(hx::ARG_COL)
.value_name("columns")
.help("Set column length")
.takes_value(true),
)
.arg(
Arg::with_name(hx::ARG_LEN)
.short("l")
.long(hx::ARG_LEN)
.value_name(hx::ARG_LEN)
.help("Set <len> bytes to read")
.takes_value(true),
)
.arg(
Arg::with_name(hx::ARG_FMT)
.short("f")
.long(hx::ARG_FMT)
.help("Set format of octet: Octal (o), LowerHex (x), UpperHex (X), Binary (b)")
.possible_values(&["o", "x", "X", "b"])
.takes_value(true),
)
.arg(
Arg::with_name(hx::ARG_INP)
.help("Pass file path as an argument, or input data may be passed via stdin")
.required(false)
.index(1),
)
.arg(
Arg::with_name(hx::ARG_CLR)
.short("t")
.long(hx::ARG_CLR)
.help("Set color tint terminal output. 0 to disable, 1 to enable")
.possible_values(&["0", "1"])
.takes_value(true),
)
.arg(
Arg::with_name(hx::ARG_ARR)
.short("a")
.long(hx::ARG_ARR)
.value_name("array_format")
.help("Set source code format output: rust (r), C (c), golang (g), python (p), kotlin (k), java (j), swift (s), fsharp (f)")
.possible_values(&["r", "c", "g", "p", "k", "j", "s", "f"])
.takes_value(true),
)
.arg(
Arg::with_name(hx::ARG_FNC)
.short("u")
.long(hx::ARG_FNC)
.value_name("func_length")
.help("Set function wave length")
.takes_value(true),
)
.arg(
Arg::with_name(hx::ARG_PLC)
.short("p")
.long(hx::ARG_PLC)
.value_name("func_places")
.help("Set function wave output decimal places")
.takes_value(true),
);
let matches = app.get_matches();
match hx::run(matches) {
Ok(_) => {
process::exit(0);
}
Err(_) => {
let err = &Error::last_os_error();
let suppress_error = match err.kind() {
ErrorKind::BrokenPipe => process::exit(0),
_ => false,
};
if !suppress_error {
eprintln!("error: {}", err);
process::exit(1);
}
}
}
}
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