<?php
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <[email protected]>
*
* Original code based on the CommonMark JS reference parser (http://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\SmartPunct;
use League\CommonMark\ElementRendererInterface;
use League\CommonMark\HtmlElement;
use League\CommonMark\Inline\Element\AbstractInline;
use League\CommonMark\Inline\Renderer\InlineRendererInterface;
final class QuoteRenderer implements InlineRendererInterface
{
/**
* @param Quote $inline
* @param ElementRendererInterface $htmlRenderer
*
* @return HtmlElement|string|null
*/
public function render(AbstractInline $inline, ElementRendererInterface $htmlRenderer)
{
if (!$inline instanceof Quote) {
throw new \InvalidArgumentException(sprintf('Expected an instance of "%s", got "%s" instead', Quote::class, get_class($inline)));
}
// Handles unpaired quotes which remain after processing delimiters
if ($inline->getContent() === Quote::SINGLE_QUOTE) {
// Render as an apostrophe
return Quote::SINGLE_QUOTE_CLOSER;
} elseif ($inline->getContent() === Quote::DOUBLE_QUOTE) {
// Render as an opening quote
return Quote::DOUBLE_QUOTE_OPENER;
}
return $inline->getContent();
}
}