kutil_cli/
clap.rs

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use {
    anstream::ColorChoice,
    anstyle::*,
    clap::{builder::*, *},
};

/// Styles for Clap.
pub fn clap_styles() -> Styles {
    Styles::styled()
        .header(AnsiColor::Yellow.on_default())
        .usage(AnsiColor::Cyan.on_default())
        .literal(AnsiColor::Green.on_default())
        .placeholder(AnsiColor::Blue.on_default())
}

//
// Colorize
//

/// Colorization options for Clap.
#[derive(ValueEnum, Clone, Default)]
pub enum Colorize {
    /// Colorize if supported.
    #[default]
    True,

    /// Don't colorize.
    False,

    /// Colorize even if not supported.
    Force,
}

impl Colorize {
    /// Applies the colorization option globally.
    pub fn initialize(&self) {
        match self {
            Colorize::True => {}
            Colorize::False => ColorChoice::Never.write_global(),
            Colorize::Force => ColorChoice::Always.write_global(),
        }
    }
}