Completed
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by Colin
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created

EmailAutolinkProcessor::processAutolinks()   B

Complexity

Conditions 8
Paths 8

Size

Total Lines 39

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 22
CRAP Score 8

Importance

Changes 0
Metric Value
dl 0
loc 39
ccs 22
cts 22
cp 1
rs 8.0515
c 0
b 0
f 0
cc 8
nc 8
nop 1
crap 8
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<?php
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/*
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 * This file is part of the league/commonmark package.
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 *
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 * (c) Colin O'Dell <[email protected]>
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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namespace League\CommonMark\Extension\Autolink;
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use League\CommonMark\Event\DocumentParsedEvent;
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use League\CommonMark\Inline\Element\Link;
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use League\CommonMark\Inline\Element\Text;
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final class EmailAutolinkProcessor
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{
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    const REGEX = '/([A-Za-z0-9.\-_+][email protected][A-Za-z0-9\-_]+\.[A-Za-z0-9\-_.]+)/';
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    /**
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     * @param DocumentParsedEvent $e
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     *
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     * @return void
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     */
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    public function __invoke(DocumentParsedEvent $e)
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    {
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        $walker = $e->getDocument()->walker();
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        while ($event = $walker->next()) {
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            $node = $event->getNode();
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            if ($node instanceof Text && !($node->parent() instanceof Link)) {
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                self::processAutolinks($node);
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            }
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        }
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    }
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    private static function processAutolinks(Text $node)
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    {
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        $contents = \preg_split(self::REGEX, $node->getContent(), -1, PREG_SPLIT_DELIM_CAPTURE);
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        if ($contents === false || \count($contents) === 1) {
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            return;
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        }
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        $leftovers = '';
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        foreach ($contents as $i => $content) {
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            if ($i % 2 === 0) {
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                $text = $leftovers . $content;
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                if ($text !== '') {
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                    $node->insertBefore(new Text($leftovers . $content));
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                }
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                $leftovers = '';
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                continue;
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            }
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            // Does the URL end with punctuation that should be stripped?
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            if (\substr($content, -1) === '.') {
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                // Add the punctuation later
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                $content = \substr($content, 0, -1);
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                $leftovers = '.';
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            }
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            // The last character cannot be - or _
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            if (\in_array(\substr($content, -1), ['-', '_'])) {
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                $node->insertBefore(new Text($content . $leftovers));
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                $leftovers = '';
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                continue;
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            }
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            $node->insertBefore(new Link('mailto:' . $content, $content));
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        }
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        $node->detach();
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    }
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}
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