public function ReadmehelpMarkdown::convertLeadingDashSpace in README Help 8

Wraps leading "- " text lines into unordered list tag.

Parameters

string $text: The string to be filtered.

Return value

string The HTML source with unordered list(s).

1 call to ReadmehelpMarkdown::convertLeadingDashSpace()

ReadmehelpMarkdown::process in src/Plugin/Filter/ReadmehelpMarkdown.php

Performs the filter processing.

File

src/Plugin/Filter/ReadmehelpMarkdown.php, line 226

Class

ReadmehelpMarkdown

Provides a filter for markdown.

Namespace

Drupal\readmehelp\Plugin\Filter

Code

public function convertLeadingDashSpace($text) {
  return preg_replace_callback('/(?(DEFINE)(?<emptyline>(\\n\\n)))((\\n- )(.*?))(?&emptyline)/s', function ($matches) {
    $match = '';
    if ($match = !empty($matches[0]) ? $matches[0] : '') {
      $items = '';
      foreach (explode('- ', $match) as $item) {
        if ($item = trim($item)) {
          $items .= "<li>{$item}</li>";
        }
      }
      $match = $items ? "\n<ul class=\"ul\">{$items}</ul>\n" : $match;
    }
    return $match;
  }, $text);
}