public function TagFormBase::templateError in Extensible BBCode 4.0.x

Same name and namespace in other branches

1. 8.3 src/Form/TagFormBase.php \Drupal\xbbcode\Form\TagFormBase::templateError()

Render the code of a broken template with line numbers.

Parameters

\Twig\Error\Error $exception: The twig error for an inline template.

Return value

array Render array showing the code with the error's line highlighted.

1 call to TagFormBase::templateError()

TagFormBase::form in src/Form/TagFormBase.php

Gets the actual form array to be built.

File

src/Form/TagFormBase.php, line 210

Class

TagFormBase

Base form for custom tags.

Namespace

Drupal\xbbcode\Form

Code

public function templateError(TwigError $exception) : array {
  $source = $exception
    ->getSourceContext();
  $code = $source ? $source
    ->getCode() : '';
  $lines = explode("\n", $code);

  // Remove the inline template header.
  array_shift($lines);
  $number = $exception
    ->getTemplateLine() - 2;
  $output = [
    '#prefix' => '<pre class="template">',
    '#suffix' => '</pre>',
  ];
  foreach ($lines as $i => $line) {
    $output[$i] = [
      '#prefix' => '<span>',
      '#suffix' => "</span>\n",
      '#markup' => new HtmlEscapedText($line),
    ];
  }
  $output[$number]['#prefix'] = '<span class="line-error">';
  return $output;
}