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<?php |
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namespace Groundskeeper\Tokens\Elements; |
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use Groundskeeper\Tokens\ElementTypes\MetadataContent; |
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use Groundskeeper\Tokens\ElementTypes\OpenElement; |
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use Groundskeeper\Tokens\NonParticipating; |
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use Psr\Log\LoggerInterface; |
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/** |
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* "head" element |
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* |
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* https://html.spec.whatwg.org/multipage/semantics.html#the-head-element |
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*/ |
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class Head extends OpenElement |
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{ |
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33 |
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protected function fixSelf(LoggerInterface $logger) |
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{ |
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// Look for "title" element |
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33 |
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foreach ($this->children as $child) { |
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if ($child instanceof Title) { |
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return; |
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} |
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} |
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// Missing title. |
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$logger->debug('Adding "title" element. One "title" element required.'); |
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$title = new Title($this->configuration, 0, 0, 'title'); |
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$this->prependChild($title); |
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} |
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protected function removeInvalidChildren(LoggerInterface $logger) |
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{ |
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// "head" element must contain only metadata content elements. |
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// "head" element must contain exactly one "title" element. |
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// "head" element must contain either 0 or 1 "base" element. |
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$titleCount = 0; |
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$baseCount = 0; |
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foreach ($this->children as $child) { |
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if ($child instanceof NonParticipating) { |
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continue; |
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} |
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if (!$child instanceof MetadataContent) { |
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$logger->debug('Removing ' . $child . '. Only children of metadata content allowed.'); |
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$this->removeChild($child); |
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continue; |
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} |
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if ($child instanceof Title) { |
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++$titleCount; |
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if ($titleCount > 1) { |
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$logger->debug('Removing ' . $child . '. Only one "title" element allowed.'); |
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$this->removeChild($child); |
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continue; |
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} |
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} elseif ($child instanceof Base) { |
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++$baseCount; |
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3 |
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if ($baseCount > 1) { |
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$logger->debug('Removing ' . $child . '. Maximum one "base" element allowed.'); |
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1 |
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$this->removeChild($child); |
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continue; |
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} |
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} |
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} |
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31 |
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} |
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protected function removeInvalidSelf(LoggerInterface $logger) : bool |
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{ |
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// "head" element must be a child of "html" element. |
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$parent = $this->getParent(); |
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if ($parent !== null && !$parent instanceof Html) { |
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$logger->debug('Removing ' . $this . '. Must be a child of "html" element.'); |
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return true; |
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} |
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return false; |
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} |
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} |
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kevintweber /
Groundskeeper
