Implement SpecialCharacter

src/Components/Inlines/SpecialCharacter.php

@@ -0,0 +1,54 @@
+<?php
+
+namespace Erusev\Parsedown\Components\Inlines;
+
+use Erusev\Parsedown\AST\StateRenderable;
+use Erusev\Parsedown\Components\Inline;
+use Erusev\Parsedown\Html\Renderables\RawHtml;
+use Erusev\Parsedown\Html\Renderables\Text;
+use Erusev\Parsedown\Parsedown;
+use Erusev\Parsedown\Parsing\Excerpt;
+use Erusev\Parsedown\State;
+
+final class SpecialCharacter implements Inline
+{
+    use WidthTrait, DefaultBeginPosition;
+
+    /** @var string */
+    private $charCodeHtml;
+
+    /**
+     * @param string $charCodeHtml
+     */
+    public function __construct($charCodeHtml)
+    {
+        $this->charCodeHtml = $charCodeHtml;
+        $this->width = \strlen($charCodeHtml) + 2;
+    }
+
+    /**
+     * @param Excerpt $Excerpt
+     * @param State $State
+     * @return static|null
+     */
+    public static function build(Excerpt $Excerpt, State $State)
+    {
+        if (\substr($Excerpt->text(), 1, 1) !== ' ' and \strpos($Excerpt->text(), ';') !== false
+            and \preg_match('/^&(#?+[0-9a-zA-Z]++);/', $Excerpt->text(), $matches)
+        ) {
+            return new self($matches[1]);
+        }
+
+        return null;
+    }
+
+    /**
+     * @return RawHtml
+     */
+    public function stateRenderable(Parsedown $_)
+    {
+        return new RawHtml(
+            '&' . (new Text($this->charCodeHtml))->getHtml() . ';'
+        );
+    }
+}

src/Parsedown.php

@@ -411,20 +411,6 @@ class Parsedown
         return $Elements;
     }
 
-    protected function inlineSpecialCharacter($Excerpt)
-    {
-        if (\substr($Excerpt['text'], 1, 1) !== ' ' and \strpos($Excerpt['text'], ';') !== false
-            and \preg_match('/^&(#?+[0-9a-zA-Z]++);/', $Excerpt['text'], $matches)
-        ) {
-            return [
-                'element' => ['rawHtml' => '&' . $matches[1] . ';'],
-                'extent' => \strlen($matches[0]),
-            ];
-        }
-
-        return;
-    }
-
     protected function inlineStrikethrough($Excerpt)
     {
         if (! isset($Excerpt['text'][1])) {