<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Twig\Extension;
use Twig\Profiler\NodeVisitor\ProfilerNodeVisitor;
use Twig\Profiler\Profile;
class ProfilerExtension extends AbstractExtension
{
private $actives = [];
public function __construct(Profile $profile)
{
$this->actives[] = $profile;
}
/**
* @return void
*/
public function enter(Profile $profile)
{
$this->actives[0]->addProfile($profile);
array_unshift($this->actives, $profile);
}
/**
* @return void
*/
public function leave(Profile $profile)
{
$profile->leave();
array_shift($this->actives);
if (1 === \count($this->actives)) {
$this->actives[0]->leave();
}
}
public function getNodeVisitors(): array
{
return [new ProfilerNodeVisitor(static::class)];
}
}