<?php
declare(strict_types=1);
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <colinodell@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark\Input;
use League\CommonMark\Exception\UnexpectedEncodingException;
class MarkdownInput implements MarkdownInputInterface
{
/**
* @var array<int, string>|null
*
* @psalm-readonly-allow-private-mutation
*/
private ?array $lines = null;
/** @psalm-readonly-allow-private-mutation */
private string $content;
/** @psalm-readonly-allow-private-mutation */
private ?int $lineCount = null;
/** @psalm-readonly */
private int $lineOffset;
public function __construct(string $content, int $lineOffset = 0)
{
if (! \mb_check_encoding($content, 'UTF-8')) {
throw new UnexpectedEncodingException('Unexpected encoding - UTF-8 or ASCII was expected');
}
// Strip any leading UTF-8 BOM
if (\substr($content, 0, 3) === "\xEF\xBB\xBF") {
$content = \substr($content, 3);
}
 
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