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<?php |
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/* |
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* This file is part of the league/commonmark-extras package. |
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* |
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* (c) Colin O'Dell <[email protected]> |
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* |
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* Original code based on the CommonMark JS reference parser (http://bitly.com/commonmark-js) |
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* - (c) John MacFarlane |
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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\Extras\EmailAutolink; |
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use League\CommonMark\Inline\Element\Link; |
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use League\CommonMark\Inline\Element\Text; |
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use League\CommonMark\Inline\Parser\AbstractInlineParser; |
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use League\CommonMark\InlineParserContext; |
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use League\CommonMark\Util\RegexHelper; |
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class EmailAddressParser extends AbstractInlineParser |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getCharacters() |
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{ |
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return ['@']; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function parse(InlineParserContext $inlineContext) |
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{ |
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// There must be some text prior to the @ |
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$lastChild = $inlineContext->getContainer()->lastChild(); |
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if (!($lastChild instanceof Text)) { |
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return false; |
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} |
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$everythingBeforeTheAtSymbol = $lastChild->getContent(); |
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if ($everythingBeforeTheAtSymbol === '') { |
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return false; |
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} |
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// Attempt to parse the mailbox portion, which should exist at the very end of this string |
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$matches = RegexHelper::matchAll('/[a-zA-Z0-9.!#$%&\'*+\\/=?^_`{|}~-]+$/', $everythingBeforeTheAtSymbol); |
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if (empty($matches)) { |
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return false; |
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} |
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$mailbox = end($matches); |
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// Attempt to parse the '@' symbol and domain name |
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$domain = $inlineContext->getCursor()->match('/^@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*/'); |
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if ($domain === null) { |
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return false; |
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} |
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$address = $mailbox . $domain; |
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$inlineContext->getContainer()->appendChild(new Link('mailto:' . $address, $address)); |
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// Remove the $mailbox part from $lastChild |
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$newContent = substr($everythingBeforeTheAtSymbol, 0, 0 - strlen($mailbox)); |
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$lastChild->setContent($newContent); |
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return true; |
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} |
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} |
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thephpleague /
commonmark-extras
