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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\Extension\Mention;
use League\CommonMark\Inline\Element\Link;
use League\CommonMark\Inline\Element\Text;
class Mention extends Link
{
/** @var string */
private $symbol;
/** @var string */
private $identifier;
/**
* @param string $symbol
* @param string $identifier
* @param string $label
*/
public function __construct(string $symbol, string $identifier, string $label = null)
{
$this->symbol = $symbol;
$this->identifier = $identifier;
parent::__construct('', $label ?? \sprintf('%s%s', $symbol, $identifier));
}
/**
* @return string|null
*/
public function getLabel(): ?string
{
if (($labelNode = $this->findLabelNode()) === null) {
return null;
}
return $labelNode->getContent();
}
/**
* @return string
*/
public function getIdentifier(): string
{
return $this->identifier;
}
/**
* @return string
*/
public function getSymbol(): string
{
return $this->symbol;
}
/**
* @return bool
*/
public function hasUrl(): bool
{
return !empty($this->url);
}
/**
* @param string $label
*
* @return $this
*/
public function setLabel(string $label): self
{
if (($labelNode = $this->findLabelNode()) === null) {
$labelNode = new Text();
$this->prependChild($labelNode);
}
$labelNode->setContent($label);
return $this;
}
private function findLabelNode(): ?Text
{
foreach ($this->children() as $child) {
if ($child instanceof Text) {
return $child;
}
}
return null;
}
}
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