Viewing file:  HtmlElement.php (3.45 KB) -rw-r--r--
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<?php
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <colinodell@gmail.com>
*
* Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js)
* - (c) John MacFarlane
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark;
use League\CommonMark\Util\Xml;
class HtmlElement
{
/**
* @var string
*/
protected $tagName;
/**
* @var string[]
*/
protected $attributes = [];
/**
* @var HtmlElement|HtmlElement[]|string
*/
protected $contents;
/**
* @var bool
*/
protected $selfClosing = false;
/**
* @param string $tagName Name of the HTML tag
* @param string[] $attributes Array of attributes (values should be unescaped)
* @param HtmlElement|HtmlElement[]|string|null $contents Inner contents, pre-escaped if needed
* @param bool $selfClosing Whether the tag is self-closing
*/
public function __construct(string $tagName, array $attributes = [], $contents = '', bool $selfClosing = false)
{
$this->tagName = $tagName;
$this->attributes = $attributes;
$this->selfClosing = $selfClosing;
$this->setContents($contents ?? '');
}
public function getTagName(): string
{
return $this->tagName;
}
/**
* @return string[]
*/
public function getAllAttributes(): array
{
return $this->attributes;
}
public function getAttribute(string $key): ?string
{
if (!isset($this->attributes[$key])) {
return null;
}
return $this->attributes[$key];
}
public function setAttribute(string $key, string $value): self
{
$this->attributes[$key] = $value;
return $this;
}
/**
* @param bool $asString
*
* @return HtmlElement|HtmlElement[]|string
*/
public function getContents(bool $asString = true)
{
if (!$asString) {
return $this->contents;
}
return $this->getContentsAsString();
}
/**
* Sets the inner contents of the tag (must be pre-escaped if needed)
*
* @param HtmlElement|HtmlElement[]|string $contents
*
* @return $this
*/
public function setContents($contents): self
{
$this->contents = $contents ?? '';
return $this;
}
public function __toString(): string
{
$result = '<' . $this->tagName;
foreach ($this->attributes as $key => $value) {
$result .= ' ' . $key . '="' . Xml::escape($value) . '"';
}
if ($this->contents !== '') {
$result .= '>' . $this->getContentsAsString() . '</' . $this->tagName . '>';
} elseif ($this->selfClosing && $this->tagName === 'input') {
$result .= '>';
} elseif ($this->selfClosing) {
$result .= ' />';
} else {
$result .= '></' . $this->tagName . '>';
}
return $result;
}
private function getContentsAsString(): string
{
if (\is_string($this->contents)) {
return $this->contents;
}
if (\is_array($this->contents)) {
return \implode('', $this->contents);
}
return (string) $this->contents;
}
}
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