Update vendor dependencies

1 files changed, 47 insertions, 0 deletions

diff --git a/vendor/league/commonmark/src/Extension/TableOfContents/TableOfContentsPlaceholderParser.php b/vendor/league/commonmark/src/Extension/TableOfContents/TableOfContentsPlaceholderParser.php
new file mode 100644
index 0000000000..bae6787207
--- /dev/null
+++ b/vendor/league/commonmark/src/Extension/TableOfContents/TableOfContentsPlaceholderParser.php
@@ -0,0 +1,47 @@
+<?php
+
+/*
+ * This file is part of the league/commonmark package.
+ *
+ * (c) Colin O'Dell <colinodell@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace League\CommonMark\Extension\TableOfContents;
+
+use League\CommonMark\Block\Parser\BlockParserInterface;
+use League\CommonMark\ContextInterface;
+use League\CommonMark\Cursor;
+use League\CommonMark\Extension\TableOfContents\Node\TableOfContentsPlaceholder;
+use League\CommonMark\Util\ConfigurationAwareInterface;
+use League\CommonMark\Util\ConfigurationInterface;
+
+final class TableOfContentsPlaceholderParser implements BlockParserInterface, ConfigurationAwareInterface
+{
+    /** @var ConfigurationInterface */
+    private $config;
+
+    public function parse(ContextInterface $context, Cursor $cursor): bool
+    {
+        $placeholder = $this->config->get('table_of_contents/placeholder');
+        if ($placeholder === null) {
+            return false;
+        }
+
+        // The placeholder must be the only thing on the line
+        if ($cursor->match('/^' . \preg_quote($placeholder, '/') . '$/') === null) {
+            return false;
+        }
+
+        $context->addBlock(new TableOfContentsPlaceholder());
+
+        return true;
+    }
+
+    public function setConfiguration(ConfigurationInterface $configuration)
+    {
+        $this->config = $configuration;
+    }
+}