Static class for additional Nette Latte Macros with first macro {each}{eachelse}{/each}

AnotherLatteMacros.php

<?php

namespace Nette\Templates;

use Nette\Object;
use Nette\String;

/**
 * Another Latte Macros
 *
 * @author Cifro
 * @license MIT
 */
class AnotherLatteMacros extends Object
{

	public function __construct() {
		throw new \InvalidStateException("Static class.");
	}


	public static function register() {
		LatteMacros::$defaultMacros['each'] =  '<?php %Nette\Templates\AnotherLatteMacros::macroEach% ?>';
		LatteMacros::$defaultMacros['eachelse'] =  '<?php endforeach; array_pop($_cb->its); $iterator = end($_cb->its); else: ?>';
		LatteMacros::$defaultMacros['/each'] =  '<?php endif ?>';
		
		// \Nette\Templates\FormMacros::register(); // http://gist.github.com/347052
	}
	
	
	
	public static function macroEach($content)
	{
		$token = LatteFilter::fetchToken($content);
		$modifiers = String::trim(LatteFilter::formatString($content), '"');
	
		$code = "if($token === null) $token = array(); \$___iterator = new SmartCachingIterator($token);";
		$code .= ' if($___iterator->count() > 0): foreach($iterator = $_cb->its[] = $___iterator ' . $modifiers . '):';
		
		return $code;
	}
}

boostrap.php

<?php

// blabla...

Nette\Templates\AnotherLatteMacros::register();

// blabla...

template.phtml

{each $someArray as $key => $value}
    <p>
        {if $iterator->isFirst()}
		First item: 
        {/if}
	{if $iterator->isLast()}
		Last item: 
        {/if}
	{$key} => {$value}
	</p>
{eachelse}
	<p>Empty.</p>
{/each}