chore: lots of changes

src/Framework/View/Processors/ForProcessor.php

@@ -0,0 +1,59 @@
+<?php
+
+namespace App\Framework\View\Processors;
+
+use App\Framework\View\DomProcessor;
+
+final class ForProcessor implements DomProcessor
+{
+
+    /**
+     * @inheritDoc
+     */
+    public function process(\DOMDocument $dom, RenderContext $context): void
+    {
+        $xpath = new \DOMXPath($dom);
+
+        foreach ($xpath->query('//for[@var][@in]') as $node) {
+            $var = $node->getAttribute('var');
+            $in = $node->getAttribute('in');
+
+            $output = '';
+
+            if (isset($context->data[$in]) && is_iterable($context->data[$in])) {
+                foreach ($context->data[$in] as $item) {
+                    $clone = $node->cloneNode(true);
+                    foreach ($clone->childNodes as $child) {
+                        $this->replacePlaceholdersRecursive($child, [$var => $item] + $context->data);
+                    }
+
+                    $fragment = $dom->createDocumentFragment();
+                    foreach ($clone->childNodes as $child) {
+                        $fragment->appendChild($child->cloneNode(true));
+                    }
+
+                    $output .= $dom->saveHTML($fragment);
+                }
+            }
+
+            $replacement = $dom->createDocumentFragment();
+            @$replacement->appendXML($output);
+            $node->parentNode?->replaceChild($replacement, $node);
+        }
+    }
+
+    private function replacePlaceholdersRecursive(\DOMNode $node, array $data): void
+    {
+        if ($node->nodeType === XML_TEXT_NODE) {
+            $node->nodeValue = preg_replace_callback('/{{\s*(\w+)\s*}}/', function ($matches) use ($data) {
+                return htmlspecialchars((string)($data[$matches[1]] ?? $matches[0]), ENT_QUOTES | ENT_HTML5);
+            }, $node->nodeValue);
+        }
+
+        if ($node->hasChildNodes()) {
+            foreach ($node->childNodes as $child) {
+                $this->replacePlaceholdersRecursive($child, $data);
+            }
+        }
+    }
+}