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48 lines
1.2 KiB
48 lines
1.2 KiB
<?php
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namespace SuperGear\Directus\Helpers;
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use Parsedown;
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/**
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* Helper to extend Parsedown
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*
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* @author Björn Hase
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* @license http://opensource.org/licenses/MIT The MIT License
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* @link https://gitlab.tentakelfabrik.de/super-gear/directus GitHub Repository
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*/
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class MarkdownHelper extends Parsedown
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{
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/**
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*
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* @var string
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*/
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const EXTERNAL_LINK = "/^(http|https):\/\//";
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const INNER_BRACKETS = "/\){(.*?)\}/";
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const TARGET_BLANK = "_blank";
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const DIVIDER_METHOD = ':';
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const DIVIDER_SIZES = 'x';
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/**
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* extend default function, if a link has http|https in url,
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* then handle this link as external and set target to _blank
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*
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* @param array $excerpt
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* @return array
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*/
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protected function inlineLink($excerpt)
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{
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$result = parent::inlineLink($excerpt);
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if (is_array($result)) {
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if (isset($result['element']['attributes'])) {
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if (preg_match(self::EXTERNAL_LINK, $result['element']['attributes']['href'])) {
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$result['element']['attributes']['target'] = self::TARGET_BLANK;
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}
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}
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return $result;
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}
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}
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}
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