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<?php |
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declare(strict_types=1); |
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/* |
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* This file was originally part of the league/commonmark package. |
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* |
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* (c) Colin O'Dell <[email protected]> |
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* |
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* Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js) |
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* - (c) John MacFarlane |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace UnicornFail\Emoji\Util; |
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class HtmlElement implements \Stringable |
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{ |
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/** @var string */ |
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protected $tagName; |
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/** @var array<string, string|bool> */ |
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protected $attributes = []; |
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/** @var HtmlElement|HtmlElement[]|string */ |
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protected $contents; |
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/** @var bool */ |
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protected $selfClosing = false; |
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/** |
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* @param string $tagName Name of the HTML tag |
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* @param array<string, mixed> $attributes Array of attributes (values should be unescaped) |
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* @param HtmlElement|HtmlElement[]|string|null $contents Inner contents, pre-escaped if needed |
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* @param bool $selfClosing Whether the tag is self-closing |
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*/ |
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public function __construct(string $tagName, array $attributes = [], $contents = '', bool $selfClosing = false) |
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{ |
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$this->tagName = $tagName; |
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$this->selfClosing = $selfClosing; |
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foreach ($attributes as $name => $value) { |
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$this->setAttribute($name, $value); |
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} |
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$this->setContents($contents ?? ''); |
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} |
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public function addClass(string ...$classes): void |
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{ |
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$existingClasses = \explode(' ', (string) ($this->getAttribute('class') ?? '')); |
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$this->setAttribute('class', \trim(\implode(' ', \array_unique(\array_merge($existingClasses, $classes))))); |
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} |
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public function getTagName(): string |
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{ |
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return $this->tagName; |
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} |
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/** |
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* @return array<string, string|bool> |
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*/ |
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public function getAllAttributes(): array |
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{ |
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return $this->attributes; |
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} |
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/** |
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* @return string|bool|null |
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*/ |
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public function getAttribute(string $key) |
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{ |
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if (! isset($this->attributes[$key])) { |
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return null; |
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} |
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return $this->attributes[$key]; |
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} |
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/** |
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* @param string|string[]|bool $value |
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*/ |
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public function setAttribute(string $key, $value): self |
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{ |
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if (\is_array($value)) { |
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$this->attributes[$key] = \implode(' ', \array_unique($value)); |
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} else { |
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$this->attributes[$key] = $value; |
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} |
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return $this; |
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} |
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/** |
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* @return HtmlElement|HtmlElement[]|string |
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*/ |
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public function getContents(bool $asString = true) |
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{ |
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if (! $asString) { |
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return $this->contents; |
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} |
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return $this->getContentsAsString(); |
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} |
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/** |
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* Sets the inner contents of the tag (must be pre-escaped if needed) |
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* |
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* @param HtmlElement|HtmlElement[]|string $contents |
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* |
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* @return $this |
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*/ |
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public function setContents($contents): self |
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{ |
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$this->contents = $contents ?? ''; |
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return $this; |
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} |
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public function __toString(): string |
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{ |
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$result = '<' . $this->tagName; |
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foreach ($this->attributes as $key => $value) { |
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if ($value === true) { |
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$result .= ' ' . $key; |
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} elseif ($value === false) { |
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continue; |
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} else { |
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$result .= ' ' . $key . '="' . Xml::escape($value) . '"'; |
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} |
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} |
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if ($this->contents !== '') { |
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$result .= '>' . $this->getContentsAsString() . '</' . $this->tagName . '>'; |
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} elseif ($this->selfClosing && $this->tagName === 'input') { |
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$result .= '>'; |
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} elseif ($this->selfClosing) { |
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$result .= ' />'; |
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} else { |
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$result .= '></' . $this->tagName . '>'; |
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} |
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return $result; |
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} |
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private function getContentsAsString(): string |
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{ |
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if (\is_string($this->contents)) { |
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return $this->contents; |
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} |
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if (\is_array($this->contents)) { |
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return \implode('', $this->contents); |
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} |
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return (string) $this->contents; |
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} |
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} |
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unicorn-fail /
emoji
