bp3d-os 2.2.3

Operating System tools designed for BlockProject3D
Documentation
// Copyright (c) 2025, BlockProject 3D
//
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//
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// are permitted provided that the following conditions are met:
//
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//       this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above copyright notice,
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//! Low-level platform-specific tools to control the OS console/terminal.

#[cfg(unix)]
mod unix;

#[cfg(windows)]
mod windows;

#[cfg(unix)]
pub use unix::Terminal;

#[cfg(unix)]
pub use unix::write;

#[cfg(unix)]
pub use unix::get_window_size;

#[cfg(unix)]
pub use unix::get_window_height_amortized;

#[cfg(windows)]
pub use windows::Terminal;

#[cfg(windows)]
pub use windows::write;

#[cfg(windows)]
pub use windows::get_window_size;

#[cfg(windows)]
pub use windows::get_window_height_amortized;

impl Default for Terminal {
    fn default() -> Self {
        Self::new()
    }
}

/// Move the terminal cursor to the given x, y position in columns and rows respectively.
pub fn move_cursor(x: i32, y: i32) {
    write(&format!("\x1b[{};{}H", y, x + 1)) // yeah rust is broken: impossible to use octal set
}

/// Clear the rest of the current line starting at the current cursor position.
pub fn clear_remaining() {
    write("\x1b[K");
}

/// Simplified macro which does exactly the same as [println](std::println) but overwrites the current prompt
/// rather than appending text after the prompt.
#[macro_export]
macro_rules! shell_println {
    ($($data: tt)*) => {
        $crate::shell::os::move_cursor(0, $crate::shell::os::get_window_height_amortized());
        $crate::shell::os::clear_remaining();
        println!($($data)*);
    };
}