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vendor/doctrine/rst-parser/lib/Formats/Format.php

@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\RST\Formats;
+
+use Doctrine\RST\Directives\Directive;
+use Doctrine\RST\Renderers\NodeRendererFactory;
+
+interface Format
+{
+    public const HTML  = 'html';
+    public const LATEX = 'tex';
+
+    public function getFileExtension(): string;
+
+    /** @return Directive[] */
+    public function getDirectives(): array;
+
+    /** @return NodeRendererFactory[] */
+    public function getNodeRendererFactories(): array;
+}

vendor/doctrine/rst-parser/lib/Formats/InternalFormat.php

@@ -0,0 +1,50 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\RST\Formats;
+
+use Doctrine\RST\Directives\Directive;
+use Doctrine\RST\Renderers\NodeRendererFactory;
+
+final class InternalFormat implements Format
+{
+    /** @var Format */
+    private $format;
+
+    /** @var Directive[]|null */
+    private $directives;
+
+    /** @var NodeRendererFactory[]|null */
+    private $nodeRendererFactories;
+
+    public function __construct(Format $format)
+    {
+        $this->format = $format;
+    }
+
+    public function getFileExtension(): string
+    {
+        return $this->format->getFileExtension();
+    }
+
+    /** @return Directive[] */
+    public function getDirectives(): array
+    {
+        if ($this->directives === null) {
+            $this->directives = $this->format->getDirectives();
+        }
+
+        return $this->directives;
+    }
+
+    /** @return NodeRendererFactory[] */
+    public function getNodeRendererFactories(): array
+    {
+        if ($this->nodeRendererFactories === null) {
+            $this->nodeRendererFactories = $this->format->getNodeRendererFactories();
+        }
+
+        return $this->nodeRendererFactories;
+    }
+}