Subversion-Projekte lars-tiefland.laravel_shop

<?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\Component\VarDumper\Dumper\ContextProvider;

use Symfony\Component\HttpKernel\Debug\FileLinkFormatter;

use Symfony\Component\VarDumper\Cloner\VarCloner;

use Symfony\Component\VarDumper\Dumper\HtmlDumper;

use Symfony\Component\VarDumper\VarDumper;

use Twig\Template;

/**

 * Tries to provide context from sources (class name, file, line, code excerpt, ...).

 *

 * @author Nicolas Grekas <p@tchwork.com>

 * @author Maxime Steinhausser <maxime.steinhausser@gmail.com>

 */

final class SourceContextProvider implements ContextProviderInterface

{

    private int $limit;

    private ?string $charset;

    private ?string $projectDir;

    private ?FileLinkFormatter $fileLinkFormatter;

    public function __construct(string $charset = null, string $projectDir = null, FileLinkFormatter $fileLinkFormatter = null, int $limit = 9)

    {

        $this->charset = $charset;

        $this->projectDir = $projectDir;

        $this->fileLinkFormatter = $fileLinkFormatter;

        $this->limit = $limit;

    }

    public function getContext(): ?array

    {

        $trace = debug_backtrace(\DEBUG_BACKTRACE_PROVIDE_OBJECT | \DEBUG_BACKTRACE_IGNORE_ARGS, $this->limit);

        $file = $trace[1]['file'];

        $line = $trace[1]['line'];

        $name = false;

        $fileExcerpt = false;

        for ($i = 2; $i < $this->limit; ++$i) {

            if (isset($trace[$i]['class'], $trace[$i]['function'])

                && 'dump' === $trace[$i]['function']

                && VarDumper::class === $trace[$i]['class']

            ) {

                $file = $trace[$i]['file'] ?? $file;

                $line = $trace[$i]['line'] ?? $line;

                while (++$i < $this->limit) {

                    if (isset($trace[$i]['function'], $trace[$i]['file']) && empty($trace[$i]['class']) && !str_starts_with($trace[$i]['function'], 'call_user_func')) {

                        $file = $trace[$i]['file'];

                        $line = $trace[$i]['line'];

                        break;

                    } elseif (isset($trace[$i]['object']) && $trace[$i]['object'] instanceof Template) {

                        $template = $trace[$i]['object'];

                        $name = $template->getTemplateName();

                        $src = method_exists($template, 'getSourceContext') ? $template->getSourceContext()->getCode() : (method_exists($template, 'getSource') ? $template->getSource() : false);

                        $info = $template->getDebugInfo();

                        if (isset($info[$trace[$i - 1]['line']])) {

                            $line = $info[$trace[$i - 1]['line']];

                            $file = method_exists($template, 'getSourceContext') ? $template->getSourceContext()->getPath() : null;

                            if ($src) {

                                $src = explode("\n", $src);

                                $fileExcerpt = [];

                                for ($i = max($line - 3, 1), $max = min($line + 3, \count($src)); $i <= $max; ++$i) {

                                    $fileExcerpt[] = '<li'.($i === $line ? ' class="selected"' : '').'><code>'.$this->htmlEncode($src[$i - 1]).'</code></li>';

                                }

                                $fileExcerpt = '<ol start="'.max($line - 3, 1).'">'.implode("\n", $fileExcerpt).'</ol>';

                            }

                        }

                        break;

                    }

                }

                break;

            }

        }

        if (false === $name) {

            $name = str_replace('\\', '/', $file);

            $name = substr($name, strrpos($name, '/') + 1);

        }

        $context = ['name' => $name, 'file' => $file, 'line' => $line];

        $context['file_excerpt'] = $fileExcerpt;

        if (null !== $this->projectDir) {

            $context['project_dir'] = $this->projectDir;

            if (str_starts_with($file, $this->projectDir)) {

                $context['file_relative'] = ltrim(substr($file, \strlen($this->projectDir)), \DIRECTORY_SEPARATOR);

            }

        }

        if ($this->fileLinkFormatter && $fileLink = $this->fileLinkFormatter->format($context['file'], $context['line'])) {

            $context['file_link'] = $fileLink;

        }

        return $context;

    }

    private function htmlEncode(string $s): string

    {

        $html = '';

        $dumper = new HtmlDumper(function ($line) use (&$html) { $html .= $line; }, $this->charset);

        $dumper->setDumpHeader('');

        $dumper->setDumpBoundaries('', '');

        $cloner = new VarCloner();

        $dumper->dump($cloner->cloneVar($s));

        return substr(strip_tags($html), 1, -1);

    }

}