public function AceFilter::tagAttributes in Ace Code Editor 8

Get all attributes of an <ace> tag in key/value pairs.

1 call to AceFilter::tagAttributes()

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

Processing the filters and return the processed result.

File

src/Plugin/Filter/AceFilter.php, line 174

Class

AceFilter

Filters implementation for Ace Editor.

Namespace

Drupal\ace_editor\Plugin\Filter

Code

public function tagAttributes($element_name, $xml) {

  // Grab the string of attributes inside the editor tag.
  $found = preg_match('#<' . $element_name . '\\s+([^>]+(?:"|\'))\\s?/?>#', $xml, $matches);
  if ($found == 1) {
    $attribute_array = [];
    $attribute_string = $matches[1];

    // Match attribute-name attribute-value pairs.
    $found = preg_match_all('#([^\\s=]+)\\s*=\\s*(\'[^<\']*\'|"[^<"]*")#', $attribute_string, $matches, PREG_SET_ORDER);
    if ($found != 0) {

      // Create an associative array that matches attribute names
      // with their values.
      foreach ($matches as $attribute) {
        $value = substr($attribute[2], 1, -1);
        if ($value == "1" || $value == "0" || $value == "TRUE" || $value == "FALSE") {
          $value = intval($value);
        }
        $attribute_array[str_replace('-', '_', $attribute[1])] = $value;
      }
      return $attribute_array;
    }
  }

  // Attributes either weren't found, or couldn't be extracted
  // by the regular expression.
  return FALSE;
}