League\CommonMark\Ext\Strikethrough\StrikethroughParser

Complexity

Total Complexity

5

Size/Duplication

Total Lines	45
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	7

Test Coverage

Coverage

100%

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	getCharacters()	0	4	1
A	parse()	0	31	4

<?php

/*
 * This file is part of the league/commonmark-ext-strikethrough package.
 *
 * (c) Colin O'Dell <colinodell@gmail.com> and uAfrica.com (http://uafrica.com)
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace League\CommonMark\Ext\Strikethrough;

use League\CommonMark\Delimiter\Delimiter;
use League\CommonMark\Inline\Element\Text;
use League\CommonMark\Inline\Parser\EmphasisParser;
use League\CommonMark\Inline\Parser\InlineParserInterface;
use League\CommonMark\InlineParserContext;

final class StrikethroughParser implements InlineParserInterface
{
    /**
     * {@inheritdoc}
     */
    public function getCharacters(): array
    {
        return ['~'];
    }

    /**
     * {@inheritdoc}
     */
    public function parse(InlineParserContext $inlineContext): bool
    {
        $cursor = $inlineContext->getCursor();
        $charBefore = $cursor->peek(-1);
        if ($charBefore === null) {
            $charBefore = "\n";
        }

        $tildes = $cursor->match('/^~~+/');
        if ($tildes === null) {
            return false;
        }

        $charAfter = $cursor->getCharacter();
        if ($charAfter === null) {
            $charAfter = "\n";
        }

        list($canOpen, $canClose) = EmphasisParser::determineCanOpenOrClose($charBefore, $charAfter, '~');

        $node = new Text($cursor->getPreviousText(), [
            'delim' => true,
        ]);
        $inlineContext->getContainer()->appendChild($node);

        // Add entry to stack to this opener
        $delimiter = new Delimiter('~', \mb_strlen($tildes, $cursor->getEncoding()), $node, $canOpen, $canClose);
        $inlineContext->getDelimiterStack()->push($delimiter);

        return true;
    }
}