yom 2.2.6

A modern, easy to install competitor to the dash shell, built solely to execute files.
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// Copyright (C) 2026 The YOM Contributors
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License Version 2 as
// published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License Version 2 for more details.
//
// You should have received a copy of the GNU General Public License
// Version 2 along with this program. If not, see
// <https://www.gnu.org/licenses/old-licenses/gpl-2.0.html#SEC1>.

//! ██  ██ ██████ ██     █████▄ ██████ █████▄  ▄█████
//! ██████ ██▄▄   ██     ██▄▄█▀ ██▄▄   ██▄▄██▄ ▀▀▀▄▄▄
//! ██  ██ ██▄▄▄▄ ██████ ██     ██▄▄▄▄ ██   ██ █████▀
//! The `helpers.rs` file is the file with all of the helper functions `yom`
//! needs to function properly, and were (or would've been) used too much in the
//! other files.

use std::io::Write;

/// ▄█████ ██████ █████▄        ▄████▄ █████▄        ██ ███  ██ ██████
/// ▀▀▀▄▄▄   ██   ██▄▄██▄       ██  ██ ██▄▄██▄       ██ ██ ▀▄██   ██   
/// █████▀   ██   ██   ██ ▄▄▄▄▄ ▀████▀ ██   ██ ▄▄▄▄▄ ██ ██   ██   ██   
/// This function checks if an str is an `i64`, if it is, it returns `true` if it is an int, a
/// false if it is a str.
#[inline]
pub fn str_or_int(left: &str, right: &str) -> bool {
    left.parse::<i64>().is_ok() && right.parse::<i64>().is_ok()
}

/// ███  ██ ▄█████ ██▄  ▄██ █████▄
/// ██ ▀▄██ ██     ██ ▀▀ ██ ██▄▄█▀
/// ██   ██ ▀█████ ██    ██ ██     
/// This function compares 2 numbers, it requires the two numbers, `right` and `left`, and an
/// operator to check for, if it is a true statement, it returns `true`, if it is false, it returns
/// `false`.
#[inline]
pub fn ncmp(left: i64, right: i64, operator: &str) -> bool {
    match operator {
        "-eq" => {
            if left == right {
                true
            } else {
                false
            }
        }

        "-ne" => {
            if left != right {
                true
            } else {
                false
            }
        }

        "-lt" => {
            if left < right {
                true
            } else {
                false
            }
        }

        "-le" => {
            if left <= right {
                true
            } else {
                false
            }
        }

        "gt" => {
            if left > right {
                true
            } else {
                false
            }
        }

        "-ge" => {
            if left >= right {
                true
            } else {
                false
            }
        }

        _ => false,
    }
}

/// ▄█████ ██████ █████▄  ▄█████ ██▄  ▄██ █████▄
/// ▀▀▀▄▄▄   ██   ██▄▄██▄ ██     ██ ▀▀ ██ ██▄▄█▀
/// █████▀   ██   ██   ██ ▀█████ ██    ██ ██     
/// This function compares two `str`s, using an operator, if the statement given is true, it returns
/// true, if it is `false`, it returns `false`.
#[inline]
pub fn strcmp(left: &str, right: &str, operator: &str) -> bool {
    match operator {
        "==" => {
            if left == right {
                true
            } else {
                false
            }
        }

        "!=" => {
            if left != right {
                true
            } else {
                false
            }
        }

        _ => false,
    }
}

/// ██████ █████▄  █████▄       ██     ██ █████▄  ██ ██████ ██████
/// ██▄▄   ██▄▄██▄ ██▄▄██▄      ██ ▄█▄ ██ ██▄▄██▄ ██   ██   ██▄▄   
/// ██▄▄▄▄ ██   ██ ██   ██ ▄▄▄▄▄ ▀██▀██▀  ██   ██ ██   ██   ██▄▄▄▄
/// `err_write` prints an error to stdout that is beautifully formatted.
#[inline]
pub fn err_write<E: Write>(message: &str, stderr: &mut E) {
    let _ = write!(
        stderr,
        "\x1b[38;5;196m░▒▓\x1b[48;5;196;38;5;196m█\x1b[48;5;196;37;1m error: {message} \x1b[48;5;196;38;5;196m█\x1b[0m\x1b[38;5;196m▓▒░\x1b[0m\n"
    );
}

#[inline]
pub fn exec_hooks<E: Write>(hooks: &str, hook_name: &str, to_eval: &str, err_continue: &mut bool, stderr: &mut E) -> i32 {
    let split = shell_words::split(hooks).unwrap();

    for path in split.iter() {
        match std::process::Command::new(path).arg(&hook_name).arg(to_eval).spawn() {
            Ok(mut child) => { 
                let status = child.wait(); 
                match status.unwrap().code() {
                    Some(code) => return code,
                    None => return 1,
                }
            }

            Err(_) => {
                err_write("failed to spawn eval hook", stderr);
                if !*err_continue {
                    std::process::exit(1);
                }
                return 1;
            }
        }
    }
    return 1;
}