function SmartDefaultSettings::computeSurplusScore

Same name in other branches
  1. 10 core/modules/ckeditor5/src/SmartDefaultSettings.php \Drupal\ckeditor5\SmartDefaultSettings::computeSurplusScore()
  2. 11.x core/modules/ckeditor5/src/SmartDefaultSettings.php \Drupal\ckeditor5\SmartDefaultSettings::computeSurplusScore()

Computes a score for the given surplus compared to the given need.

Parameters

\Drupal\ckeditor5\HTMLRestrictions $surplus: A surplus compared to what is needed.

\Drupal\ckeditor5\HTMLRestrictions $needed: Exactly what is needed.

Return value

int A surplus score. Lower is better. Scores are a positive integer.

See also

https://www.drupal.org/project/drupal/issues/3231328#comment-14444987

1 call to SmartDefaultSettings::computeSurplusScore()
SmartDefaultSettings::getCandidates in core/modules/ckeditor5/src/SmartDefaultSettings.php
Finds candidates for the still needed restrictions among disabled plugins.

File

core/modules/ckeditor5/src/SmartDefaultSettings.php, line 553

Class

SmartDefaultSettings
Generates CKEditor 5 settings for existing text editors/formats.

Namespace

Drupal\ckeditor5

Code

private static function computeSurplusScore(HTMLRestrictions $surplus, HTMLRestrictions $needed) : int {
    // Compute a score for surplus elements, while taking into account how much
    // impact each surplus element has:
    $surplus_score = 0;
    foreach ($surplus->getAllowedElements() as $tag_name => $attributes_config) {
        // 10^6 per surplus tag.
        if (!isset($needed->getAllowedElements()[$tag_name])) {
            $surplus_score += pow(10, 6);
        }
        // 10^5 per surplus "any attributes allowed".
        if ($attributes_config === TRUE) {
            $surplus_score += pow(10, 5);
        }
        if (!is_array($attributes_config)) {
            continue;
        }
        foreach ($attributes_config as $attribute_name => $attribute_config) {
            // 10^4 per surplus wildcard attribute.
            if (strpos($attribute_name, '*') !== FALSE) {
                $surplus_score += pow(10, 4);
            }
            else {
                $surplus_score += pow(10, 3);
            }
            // 10^2 per surplus "any attribute values allowed".
            if ($attribute_config === TRUE) {
                $surplus_score += pow(10, 2);
            }
            if (!is_array($attribute_config)) {
                continue;
            }
            foreach ($attribute_config as $allowed_attribute_value => $allowed_attribute_value_config) {
                // 10^1 per surplus wildcard attribute value.
                if (strpos($allowed_attribute_value, '*') !== FALSE) {
                    $surplus_score += pow(10, 1);
                }
                else {
                    $surplus_score += pow(10, 0);
                }
            }
        }
    }
    return $surplus_score;
}

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