sokoban-elements 0.2.1

Parsing and writing Sokoban, Hexoban, Trioban and Octoban file formats.
Documentation 
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//! [`Octoban`](crate::Tessellation::Octoban) move characters classification.

use super::parser::Parser;
use crate::Direction;

pub(super) fn direction_to_char(direction: Direction, is_box_pushed: bool) -> char {
    match (direction, is_box_pushed) {
        (Direction::Left, true) => Parser::UPPER_L,
        (Direction::Left, false) => Parser::LOWER_L,

        (Direction::Up, true) => Parser::UPPER_U,
        (Direction::Up, false) => Parser::LOWER_U,

        (Direction::Right, true) => Parser::UPPER_R,
        (Direction::Right, false) => Parser::LOWER_R,

        (Direction::Down, true) => Parser::UPPER_D,
        (Direction::Down, false) => Parser::LOWER_D,

        (Direction::NorthWest, true) => Parser::UPPER_W,
        (Direction::NorthWest, false) => Parser::LOWER_W,

        (Direction::SouthEast, true) => Parser::UPPER_E,
        (Direction::SouthEast, false) => Parser::LOWER_E,

        (Direction::NorthEast, true) => Parser::UPPER_N,
        (Direction::NorthEast, false) => Parser::LOWER_N,

        (Direction::SouthWest, true) => Parser::UPPER_S,
        (Direction::SouthWest, false) => Parser::LOWER_S,
    }
}

pub(super) fn char_to_direction(move_char: char) -> Option<Direction> {
    match move_char {
        Parser::LOWER_L | Parser::UPPER_L => Some(Direction::Left),
        Parser::LOWER_U | Parser::UPPER_U => Some(Direction::Up),
        Parser::LOWER_R | Parser::UPPER_R => Some(Direction::Right),
        Parser::LOWER_D | Parser::UPPER_D => Some(Direction::Down),
        Parser::LOWER_W | Parser::UPPER_W => Some(Direction::NorthWest),
        Parser::LOWER_E | Parser::UPPER_E => Some(Direction::SouthEast),
        Parser::LOWER_N | Parser::UPPER_N => Some(Direction::NorthEast),
        Parser::LOWER_S | Parser::UPPER_S => Some(Direction::SouthWest),
        _ => None,
    }
}