chore: lots of changes

src/Framework/View/Processors/PlaceholderReplacer.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace App\Framework\View\Processors;
+
+use App\Framework\View\DomProcessor;
+use App\Framework\View\RenderContext;
+
+final readonly class PlaceholderReplacer implements DomProcessor
+{
+
+    public function process(\DOMDocument $dom, RenderContext $context): void
+    {
+        $xpath = new \DOMXPath($dom);
+        foreach ($xpath->query('//text()') as $textNode) {
+            $textNode->nodeValue = preg_replace_callback(
+                '/{{\s*([\w.]+)\s*}}/',
+                fn($m) => $this->resolveValue($context->data, $m[1]),
+                $textNode->nodeValue
+            );
+        }
+    }
+
+    private function resolveValue(array $data, string $expr): string
+    {
+        $keys = explode('.', $expr);
+        $value = $data;
+        foreach ($keys as $key) {
+            if (!is_array($value) || !array_key_exists($key, $value)) {
+                return "{{ $expr }}"; // Platzhalter bleibt erhalten
+            }
+            $value = $value[$key];
+        }
+        return is_scalar($value) ? (string)$value : '';
+    }
+
+    public function supports(\DOMElement $element): bool
+    {
+        return $element->tagName === 'text';
+
+    }
+
+}