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<?php |
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declare(strict_types=1); |
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namespace PrinsFrank\PhpGeoSVG\HTML\Elements; |
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use PrinsFrank\PhpGeoSVG\HTML\Elements\Definition\ForeignElement; |
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use PrinsFrank\PhpGeoSVG\HTML\Elements\Text\TextContent; |
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abstract class Element |
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{ |
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/** @var Element[] */ |
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protected array $childElements = []; |
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/** @var array<string, string> */ |
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protected array $attributes = []; |
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private ?TextContent $textContent = null; |
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public function addChildElement(Element $childElement): self |
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{ |
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$this->childElements[] = $childElement; |
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return $this; |
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} |
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/** |
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* @return Element[] |
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*/ |
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public function getChildElements(): array |
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{ |
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return $this->childElements; |
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} |
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/** |
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* @return array<string, string> |
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*/ |
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public function getAttributes(): array |
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{ |
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return $this->attributes; |
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} |
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public function setAttribute(string $name, mixed $value): self |
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{ |
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$this->attributes[$name] = (string) $value; |
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return $this; |
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} |
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public function setTextContent(?TextContent $textContent): self |
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{ |
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$this->textContent = $textContent; |
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return $this; |
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} |
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public function getTextContent(): ?TextContent |
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{ |
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return $this->textContent; |
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} |
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/** |
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* @see https://html.spec.whatwg.org/#self-closing-start-tag-state |
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* |
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* Foreign elements must either have a start tag and an end tag, or a start tag that is marked as self-closing, |
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* in which case they must not have an end tag. |
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*/ |
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public function canSelfClose(): bool |
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{ |
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if ($this instanceof ForeignElement === false) { |
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return false; |
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} |
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if ($this->childElements !== []) { |
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return false; |
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} |
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if ($this->textContent !== null) { |
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return false; |
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} |
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return true; |
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} |
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abstract public function getTagName(): string; |
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} |
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PrinsFrank /
php-geo-svg
