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<?php |
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/* |
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* This file is 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 League\CommonMark; |
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use League\CommonMark\Util\Xml; |
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class HtmlElement |
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{ |
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/** |
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* @var string |
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*/ |
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protected $tagName; |
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/** |
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* @var string[] |
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*/ |
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protected $attributes = []; |
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/** |
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* @var HtmlElement|HtmlElement[]|string |
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*/ |
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protected $contents; |
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/** |
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* @var bool |
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*/ |
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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 string[] $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->attributes = $attributes; |
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$this->selfClosing = $selfClosing; |
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$this->setContents($contents ?? ''); |
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} |
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/** |
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* @return string |
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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 string[] |
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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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* @param string $key |
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* |
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* @return string|null |
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*/ |
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public function getAttribute(string $key): ?string |
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{ |
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if (!isset($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 $key |
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* @param string $value |
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* |
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* @return $this |
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*/ |
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public function setAttribute(string $key, string $value): self |
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{ |
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$this->attributes[$key] = $value; |
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return $this; |
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} |
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/** |
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* @param bool $asString |
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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 $this; |
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} |
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/** |
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* @return string |
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*/ |
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public function __toString(): string |
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{ |
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$result = '<' . $this->tagName; |
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foreach ($this->attributes as $key => $value) { |
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$result .= ' ' . $key . '="' . Xml::escape($value) . '"'; |
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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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thephpleague /
commonmark
