Groundskeeper\Tokens\Elements\Picture::removeInvalidChildren()

Complexity

Conditions	7
Paths	5

Size

Total Lines	27
Code Lines	16

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	18
CRAP Score	7

Importance

Changes	2
Bugs	1	Features	0

<?php
    protected function removeInvalidChildren(LoggerInterface $logger)
    {
        $encounteredImgElement = false;
        foreach ($this->children as $child) {
            if ($child instanceof NonParticipating ||
                $child instanceof Source ||
                $child instanceof ScriptSupporting) {
                continue;
            }

            if ($child instanceof Img) {
                if ($encounteredImgElement) {
                    $logger->debug('Removing ' . $child . '. Only one "img" element allowed as child of "picture" element.');
                    $this->removeChild($child);

                    continue;
                }

                $encounteredImgElement = true;

                continue;
            }

            $logger->debug('Removing ' . $child . '. Only one "img" element and zero to many "source" elements allowed as children of the "picture" element.');
            $this->removeChild($child);
        }
    }
}