vbbs/app/Classes/Frame/Ansi.php

<?php

namespace App\Classes\Frame;

use App\Classes\Parser;
use Illuminate\Support\Facades\Log;

use App\Classes\Frame;
use App\Classes\Parser\Ansi as AnsiParser;
use App\Models\Frame as FrameModel;

class Ansi extends Frame
{
	public static $frame_length = 22;
	public static $frame_width = 80;

	public static $header_length = 58;
	public static $pagenum_length = 11;
	public static $cost_length = 7;
	public static $cost_unit = 'u';

	public static $if_filler = '.';

	public function __construct(FrameModel $o,string $msg='')
	{
		parent::__construct($o);

		// If we have a message to display on the bottom line.
		if ($msg)
			$this->output .= ESC.'[24;0f'.$msg.HOME;
	}

	protected function parser(int $startline): Parser
	{
		return new AnsiParser($this->fo->content,self::$frame_width,$startline);
	}

	public static function strlenv($text):int {
		return strlen($text ? preg_replace('/'.ESC.'\[[0-9;?]+[a-zA-Z]/','',$text) : $text);
	}

	// @todo make abstract
	/**
	 * This function returns the frame content, raw
	 *
	 * @return string
	 */
	public function raw(): string
	{
		// We need to convert any ESC's, not next to [ into a character, otherwise we are off by one
		return preg_replace('/'.ESC.'([^\[])/',"|$1",$this->fo->content);
	}
}