Code Coverage for /Users/twarren/code/php-kilo/src/Enum/RawKeyCode.php

1	<?php declare(strict_types=1);
2
3	namespace Aviat\Kilo\Enum;
4
5	use Aviat\Kilo\Traits;
6	use function Aviat\Kilo\ctrl_key;
7
8	/**
9	* 'Raw' input from stdin
10	* @enum
11	*/
12	class RawKeyCode {
13	use Traits\ConstList;
14
15	public const ARROW_DOWN = "\e[B";
16	public const ARROW_LEFT = "\e[D";
17	public const ARROW_RIGHT = "\e[C";
18	public const ARROW_UP = "\e[A";
19	public const BACKSPACE = "\x7f";
20	public const BELL = "\a";
21	public const CARRIAGE_RETURN = "\r";
22	public const DELETE = "\e[3~";
23	public const EMPTY = '';
24	public const ENTER = "\r";
25	public const ESCAPE = "\e";
26	public const FORM_FEED = "\f";
27	public const NEWLINE = "\n";
28	public const NULL = "\0";
29	public const PAGE_DOWN = "\e[6~";
30	public const PAGE_UP = "\e[5~";
31	public const SPACE = ' ';
32	public const TAB = "\t";
33	public const VERTICAL_TAB = "\v";
34
35	/**
36	* Returns the ascii character for the specified
37	* ctrl + letter combo
38	*
39	* @param string $char
40	* @return string\|null
41	*/
42	public static function CTRL(string $char): ?string
43	{
44	$char = strtolower($char);
45	$ord = ord($char);
46
47	// a = 0x61
48	// z = 0x7a
49	// So, 0x60 < $ord < 0x7b
50	if ($ord > 0x60 && $ord < 0x7b)
51	{
52	return chr(ctrl_key($char));
53	}
54
55	// Invalid input, not an ascii letter
56	return NULL;
57	}
58	}