Function parse_modifier_mask

packages/server/src/main/input_helpers.rs:208–229

(value: &str)

}

fn parse_modifier_mask(value: &str) -> Result<u32, crate::error::AppError> {
    let mut mask = 0;
    for token in value
        .split(',')
        .map(str::trim)
        .filter(|token| !token.is_empty())
    {
        mask |= match token.to_lowercase().as_str() {
            "shift" | "225" | "left-shift" => 1,
            "ctrl" | "control" | "224" | "left-control" => 1 << 1,
            "alt" | "option" | "226" | "left-option" => 1 << 2,
            "cmd" | "command" | "meta" | "227" | "left-command" => 1 << 3,
            "caps" | "caps-lock" | "57" => 1 << 4,
            other => {
                return Err(crate::error::AppError::bad_request(format!(
                    "Unsupported modifier `{other}`."
                )))
            }
        };
    }
    Ok(mask)
}