59 lines
1.4 KiB
Rust
59 lines
1.4 KiB
Rust
#![cfg_attr(not(windows), allow(dead_code))]
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#[cfg(not(windows))]
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fn main() {
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panic!("unsupported");
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}
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#[cfg(windows)]
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fn main() -> Result<(), lexopt::Error> {
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use anstyle_wincon::WinconStream as _;
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let args = Args::parse()?;
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let stdout = std::io::stdout();
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let mut stdout = stdout.lock();
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let fg = args.fg.and_then(|c| c.into_ansi());
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let bg = args.bg.and_then(|c| c.into_ansi());
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let _ = stdout.write_colored(fg, bg, "".as_bytes());
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std::mem::forget(stdout);
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Ok(())
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}
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#[derive(Default)]
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struct Args {
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fg: Option<anstyle::Ansi256Color>,
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bg: Option<anstyle::Ansi256Color>,
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}
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impl Args {
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fn parse() -> Result<Self, lexopt::Error> {
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use lexopt::prelude::*;
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let mut res = Args::default();
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let mut args = lexopt::Parser::from_env();
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while let Some(arg) = args.next()? {
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match arg {
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Long("fg") => {
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res.fg = Some(
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args.value()?
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.parse_with(|s| s.parse::<u8>().map(anstyle::Ansi256Color))?,
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);
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}
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Long("bg") => {
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res.fg = Some(
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args.value()?
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.parse_with(|s| s.parse::<u8>().map(anstyle::Ansi256Color))?,
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);
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}
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_ => return Err(arg.unexpected()),
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}
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}
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Ok(res)
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}
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}
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