Command.php
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Command.php
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	<?php

	namespace Keruald\Commands;

	use Keruald\Commands\Display\Display;
	use Keruald\Commands\Display\OutputDisplay;

	abstract class Command {

	/**
	* @var int
	*/
	private $argc;

	/**
	* @var array
	*/
	private $argv;

	/**
	* @var \Keruald\Commands\Display\Display
	*/
	protected $display;

	public function __construct (
	int $argc,
	array $argv,
	Display $display = null
	) {
	$this->argc = $argc;
	$this->argv = $argv;

	if ($display === null) {
	$display = self::getDefaultDisplay();
	}
	$this->display = $display;
	}

	public static function run (int $argc, array $argv) : int {
	$command = new static($argc, $argv);

	return $command->main();
	}

	///
	/// Getters and setters
	///

	public function getArgc () : int {
	return $this->argc;
	}

	public function setArgc (int $argc) : Command {
	$this->argc = $argc;

	return $this;
	}

	public function getArgv () : array {
	return $this->argv;
	}


	public function setArgv (array $argv) : Command {
	$this->argv = $argv;

	return $this;
	}

	public function getCommandName () : string {
	return $this->argv[0] ?? "";
	}

	public function getDisplay () : Display {
	return $this->display;
	}

	public function setDisplay (Display $display) : Command {
	$this->display = $display;

	return $this;
	}

	///
	/// Helper methods
	///

	private static function getDefaultDisplay () : Display {
	return new OutputDisplay();
	}

	///
	/// Methods to implement
	///

	public abstract function main () : int;

	}