Elep

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Bundle\WebProfilerBundle\Twig;

use Symfony\Component\VarDumper\Cloner\Data;
use Symfony\Component\VarDumper\Dumper\HtmlDumper;
use Twig\Environment;
use Twig\Extension\ProfilerExtension;
use Twig\Profiler\Profile;
use Twig\TwigFunction;

/**
 * Twig extension for the profiler.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 *
 * @internal
 */
class WebProfilerExtension extends ProfilerExtension
{
 /**
 * @var HtmlDumper
 */
 private $dumper;

/**
     * @var resource
     */
    private $output;

/**
     * @var int
     */
    private $stackLevel = 0;

public function __construct(HtmlDumper $dumper = null)
    {
        $this->dumper = $dumper ?: new HtmlDumper();
        $this->dumper->setOutput($this->output = fopen('php://memory', 'r+'));
    }

public function enter(Profile $profile): void
    {
        ++$this->stackLevel;
    }

public function leave(Profile $profile): void
    {
        if (0 === --$this->stackLevel) {
            $this->dumper->setOutput($this->output = fopen('php://memory', 'r+'));
        }
    }

/**
     * {@inheritdoc}
     */
    public function getFunctions(): array
    {
        return [
            new TwigFunction('profiler_dump', [$this, 'dumpData'], ['is_safe' => ['html'], 'needs_environment' => true]),
            new TwigFunction('profiler_dump_log', [$this, 'dumpLog'], ['is_safe' => ['html'], 'needs_environment' => true]),
        ];
    }

public function dumpData(Environment $env, Data $data, int $maxDepth = 0)
    {
        $this->dumper->setCharset($env->getCharset());
        $this->dumper->dump($data, null, [
            'maxDepth' => $maxDepth,
        ]);

$dump = stream_get_contents($this->output, -1, 0);
        rewind($this->output);
        ftruncate($this->output, 0);

return str_replace("\n</pre", '</pre', rtrim($dump));
 }

public function dumpLog(Environment $env, string $message, Data $context = null)
 {
 $message = twig_escape_filter($env, $message);
 $message = preg_replace('/&quot;(.*?)&quot;/', '&quot;$1&quot;', $message);

if (null === $context || false === strpos($message, '{')) {
 return ''.$message.'';
 }

$replacements = [];
 foreach ($context as $k => $v) {
 $k = '{'.twig_escape_filter($env, $k).'}';
 $replacements['&quot;'.$k.'&quot;'] = $replacements['&quot;'.$k.'&quot;'] = $replacements[$k] = $this->dumpData($env, $v);
 }

return ''.strtr($message, $replacements).'';
 }

/**
     * {@inheritdoc}
     */
    public function getName()
    {
        return 'profiler';
    }
}