1 files changed, 63 insertions, 0 deletions
diff --git a/vendor/league/commonmark/src/Extension/Footnote/Parser/FootnoteParser.php b/vendor/league/commonmark/src/Extension/Footnote/Parser/FootnoteParser.php
new file mode 100644
index 0000000000..231c2aa5e0
--- /dev/null
+++ b/vendor/league/commonmark/src/Extension/Footnote/Parser/FootnoteParser.php
@@ -0,0 +1,63 @@
+<?php
+
+/*
+ * This file is part of the league/commonmark package.
+ *
+ * (c) Colin O'Dell <colinodell@gmail.com>
+ * (c) Rezo Zero / Ambroise Maupate
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\CommonMark\Extension\Footnote\Parser;
+
+use League\CommonMark\Block\Parser\BlockParserInterface;
+use League\CommonMark\ContextInterface;
+use League\CommonMark\Cursor;
+use League\CommonMark\Extension\Footnote\Node\Footnote;
+use League\CommonMark\Reference\Reference;
+use League\CommonMark\Util\RegexHelper;
+
+final class FootnoteParser implements BlockParserInterface
+{
+    public function parse(ContextInterface $context, Cursor $cursor): bool
+    {
+        if ($cursor->isIndented()) {
+            return false;
+        }
+
+        $match = RegexHelper::matchAll(
+            '/^\[\^([^\n^\]]+)\]\:\s/',
+            $cursor->getLine(),
+            $cursor->getNextNonSpacePosition()
+        );
+
+        if (!$match) {
+            return false;
+        }
+
+        $cursor->advanceToNextNonSpaceOrTab();
+        $cursor->advanceBy(\strlen($match[0]));
+        $str = $cursor->getRemainder();
+        \preg_replace('/^\[\^([^\n^\]]+)\]\:\s/', '', $str);
+
+        if (\preg_match('/^\[\^([^\n^\]]+)\]\:\s/', $match[0], $matches) > 0) {
+            $context->addBlock($this->createFootnote($matches[1]));
+            $context->setBlocksParsed(true);
+
+            return true;
+        }
+
+        return false;
+    }
+
+    private function createFootnote(string $label): Footnote
+    {
+        return new Footnote(
+            new Reference($label, $label, $label)
+        );
+    }
+}