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<?php |
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/* |
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* This file is part of the Symfony package. |
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* |
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* (c) Fabien Potencier <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Ekino\Drupal\Debug\Action\DisplayDumpLocation; |
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use Symfony\Component\HttpKernel\Debug\FileLinkFormatter; |
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use Symfony\Component\VarDumper\Cloner\VarCloner; |
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use Symfony\Component\VarDumper\Dumper\HtmlDumper; |
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use Symfony\Component\VarDumper\VarDumper; |
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use Twig\Template; |
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/** |
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* Tries to provide context from sources (class name, file, line, code excerpt, ...). |
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* |
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* @author Nicolas Grekas <[email protected]> |
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* @author Maxime Steinhausser <[email protected]> |
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*/ |
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final class SourceContextProvider |
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{ |
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private $limit; |
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private $charset; |
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private $projectDir; |
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private $fileLinkFormatter; |
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public function __construct(string $charset = null, string $projectDir = null, FileLinkFormatter $fileLinkFormatter = null, int $limit = 9) |
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{ |
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$this->charset = $charset; |
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$this->projectDir = $projectDir; |
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$this->fileLinkFormatter = $fileLinkFormatter; |
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$this->limit = $limit; |
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} |
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public function getContext(): ?array |
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{ |
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$trace = debug_backtrace(DEBUG_BACKTRACE_PROVIDE_OBJECT | DEBUG_BACKTRACE_IGNORE_ARGS, $this->limit); |
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$file = $trace[1]['file']; |
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$line = $trace[1]['line']; |
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$name = false; |
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$fileExcerpt = false; |
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for ($i = 2; $i < $this->limit; ++$i) { |
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if (isset($trace[$i]['class'], $trace[$i]['function']) |
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&& 'dump' === $trace[$i]['function'] |
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&& VarDumper::class === $trace[$i]['class'] |
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) { |
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$file = $trace[$i]['file']; |
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$line = $trace[$i]['line']; |
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while (++$i < $this->limit) { |
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if (isset($trace[$i]['function'], $trace[$i]['file']) && empty($trace[$i]['class']) && 0 !== strpos($trace[$i]['function'], 'call_user_func')) { |
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$file = $trace[$i]['file']; |
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$line = $trace[$i]['line']; |
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break; |
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} elseif (isset($trace[$i]['object']) && $trace[$i]['object'] instanceof Template) { |
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$template = $trace[$i]['object']; |
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$name = $template->getTemplateName(); |
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$src = method_exists($template, 'getSourceContext') ? $template->getSourceContext()->getCode() : (method_exists($template, 'getSource') ? $template->getSource() : false); |
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$info = $template->getDebugInfo(); |
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if (isset($info[$trace[$i - 1]['line']])) { |
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$line = $info[$trace[$i - 1]['line']]; |
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$file = method_exists($template, 'getSourceContext') ? $template->getSourceContext()->getPath() : null; |
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if ($src) { |
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$src = explode("\n", $src); |
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$fileExcerpt = []; |
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for ($i = max($line - 3, 1), $max = min($line + 3, \count($src)); $i <= $max; ++$i) { |
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$fileExcerpt[] = '<li'.($i === $line ? ' class="selected"' : '').'><code>'.$this->htmlEncode($src[$i - 1]).'</code></li>'; |
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} |
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$fileExcerpt = '<ol start="'.max($line - 3, 1).'">'.implode("\n", $fileExcerpt).'</ol>'; |
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} |
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} |
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break; |
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} |
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} |
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break; |
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} |
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} |
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if (false === $name) { |
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$name = str_replace('\\', '/', $file); |
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$name = substr($name, strrpos($name, '/') + 1); |
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} |
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$context = ['name' => $name, 'file' => $file, 'line' => $line]; |
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$context['file_excerpt'] = $fileExcerpt; |
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if (null !== $this->projectDir) { |
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$context['project_dir'] = $this->projectDir; |
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if (0 === strpos($file, $this->projectDir)) { |
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$context['file_relative'] = ltrim(substr($file, \strlen($this->projectDir)), \DIRECTORY_SEPARATOR); |
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} |
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} |
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if ($this->fileLinkFormatter && $fileLink = $this->fileLinkFormatter->format($context['file'], $context['line'])) { |
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$context['file_link'] = $fileLink; |
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} |
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return $context; |
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} |
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private function htmlEncode(string $s): string |
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{ |
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$html = ''; |
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$dumper = new HtmlDumper(function ($line) use (&$html) { $html .= $line; }, $this->charset); |
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$dumper->setDumpHeader(''); |
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$dumper->setDumpBoundaries('', ''); |
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$cloner = new VarCloner(); |
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$dumper->dump($cloner->cloneVar($s)); |
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return substr(strip_tags($html), 1, -1); |
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} |
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} |
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ekino /
drupal-debug
