Implement Reference

src/Components/Blocks/Reference.php

@@ -0,0 +1,80 @@
+<?php
+
+namespace Erusev\Parsedown\Components\Blocks;
+
+use Erusev\Parsedown\AST\StateRenderable;
+use Erusev\Parsedown\Components\Block;
+use Erusev\Parsedown\Components\StateUpdatingBlock;
+use Erusev\Parsedown\Configurables\DefinitionBook;
+use Erusev\Parsedown\Html\Renderables\Invisible;
+use Erusev\Parsedown\Parsedown;
+use Erusev\Parsedown\Parsing\Context;
+use Erusev\Parsedown\State;
+
+final class Reference implements StateUpdatingBlock
+{
+    use BlockAcquisition;
+
+    /** @var State */
+    private $State;
+
+    public function __construct(State $State)
+    {
+        $this->State = $State;
+    }
+
+    /**
+     * @param Context $Context
+     * @param Block|null $Block
+     * @param State|null $State
+     * @return static|null
+     */
+    public static function build(
+        Context $Context,
+        Block $Block = null,
+        State $State = null
+    ) {
+        $State = $State ?: new State;
+
+        if (\strpos($Context->line()->text(), ']') !== false
+            and \preg_match(
+                '/^\[(.+?)\]:[ ]*+<?(\S+?)>?(?:[ ]+["\'(](.+)["\')])?[ ]*+$/',
+                $Context->line()->text(),
+                $matches
+            )
+        ) {
+            $id = \strtolower($matches[1]);
+
+            $Data = [
+                'url' => $matches[2],
+                'title' => isset($matches[3]) ? $matches[3] : null,
+            ];
+
+            $State = $State->setting(
+                $State->getOrDefault(DefinitionBook::class)->setting($id, $Data)
+            );
+
+            // if ($id === 'single quotes') {
+            //     var_dump($State);
+            // }
+
+            return new self($State);
+        }
+
+        return null;
+    }
+
+    /** @return State */
+    public function latestState()
+    {
+        return $this->State;
+    }
+
+    /**
+     * @return Invisible
+     */
+    public function stateRenderable(Parsedown $Parsedown)
+    {
+        return new Invisible;
+    }
+}

src/Parsedown.php

@@ -288,31 +288,6 @@ class Parsedown
         return \method_exists($this, 'block' . $Type . 'Complete');
     }
 
-    #
-    # Reference
-
-    protected function blockReference(Context $Context)
-    {
-        if (\strpos($Context->line()->text(), ']') !== false
-            and \preg_match('/^\[(.+?)\]:[ ]*+<?(\S+?)>?(?:[ ]+["\'(](.+)["\')])?[ ]*+$/', $Context->line()->text(), $matches)
-        ) {
-            $id = \strtolower($matches[1]);
-
-            $Data = [
-                'url' => $matches[2],
-                'title' => isset($matches[3]) ? $matches[3] : null,
-            ];
-
-            $this->DefinitionData['Reference'][$id] = $Data;
-
-            $Block = [
-                'element' => [],
-            ];
-
-            return $Block;
-        }
-    }
-
     #
     # Table