vendor and env first commit

vendor/league/commonmark/src/Xml/FallbackNodeXmlRenderer.php

@@ -0,0 +1,85 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * 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\Xml;
+
+use League\CommonMark\Node\Block\AbstractBlock;
+use League\CommonMark\Node\Inline\AbstractInline;
+use League\CommonMark\Node\Node;
+
+/**
+ * @internal
+ */
+final class FallbackNodeXmlRenderer implements XmlNodeRendererInterface
+{
+    /**
+     * @var array<string, string>
+     *
+     * @psalm-allow-private-mutation
+     */
+    private array $classCache = [];
+
+    /**
+     * @psalm-allow-private-mutation
+     */
+    public function getXmlTagName(Node $node): string
+    {
+        $className = \get_class($node);
+        if (isset($this->classCache[$className])) {
+            return $this->classCache[$className];
+        }
+
+        $type      = $node instanceof AbstractBlock ? 'block' : 'inline';
+        $shortName = \strtolower((new \ReflectionClass($node))->getShortName());
+
+        return $this->classCache[$className] = \sprintf('custom_%s_%s', $type, $shortName);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getXmlAttributes(Node $node): array
+    {
+        $attrs = [];
+        foreach ($node->data->export() as $k => $v) {
+            if (self::isValueUsable($v)) {
+                $attrs[$k] = $v;
+            }
+        }
+
+        $reflClass = new \ReflectionClass($node);
+        foreach ($reflClass->getProperties() as $property) {
+            if (\in_array($property->getDeclaringClass()->getName(), [Node::class, AbstractBlock::class, AbstractInline::class], true)) {
+                continue;
+            }
+
+            $property->setAccessible(true);
+            $value = $property->getValue($node);
+            if (self::isValueUsable($value)) {
+                $attrs[$property->getName()] = $value;
+            }
+        }
+
+        return $attrs;
+    }
+
+    /**
+     * @param mixed $var
+     *
+     * @psalm-pure
+     */
+    private static function isValueUsable($var): bool
+    {
+        return \is_string($var) || \is_int($var) || \is_float($var) || \is_bool($var);
+    }
+}