From 74773483143ef06b7e32642ac34c18fe3e270d79 Mon Sep 17 00:00:00 2001
From: Maximilian Ruta <maximilian.ruta@comin-glasfaser.de>
Date: Tue, 6 May 2025 11:12:41 +0200
Subject: [PATCH] [Serializer] Add CDATA_WRAPPING_NAME_PATTERN support to
 XmlEncoder

---
 .../Component/Serializer/Encoder/XmlEncoder.php | 13 ++++++++++---
 .../Serializer/Tests/Encoder/XmlEncoderTest.php | 17 +++++++++++++++++
 2 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/src/Symfony/Component/Serializer/Encoder/XmlEncoder.php b/src/Symfony/Component/Serializer/Encoder/XmlEncoder.php
index ed66fa30898df..07eb4c5ba6d62 100644
--- a/src/Symfony/Component/Serializer/Encoder/XmlEncoder.php
+++ b/src/Symfony/Component/Serializer/Encoder/XmlEncoder.php
@@ -59,6 +59,7 @@ class XmlEncoder implements EncoderInterface, DecoderInterface, NormalizationAwa
     public const TYPE_CAST_ATTRIBUTES = 'xml_type_cast_attributes';
     public const VERSION = 'xml_version';
     public const CDATA_WRAPPING = 'cdata_wrapping';
+    public const CDATA_WRAPPING_NAME_PATTERN = 'cdata_wrapping_name_pattern';
     public const CDATA_WRAPPING_PATTERN = 'cdata_wrapping_pattern';
     public const IGNORE_EMPTY_ATTRIBUTES = 'ignore_empty_attributes';
 
@@ -72,6 +73,7 @@ class XmlEncoder implements EncoderInterface, DecoderInterface, NormalizationAwa
         self::ROOT_NODE_NAME => 'response',
         self::TYPE_CAST_ATTRIBUTES => true,
         self::CDATA_WRAPPING => true,
+        self::CDATA_WRAPPING_NAME_PATTERN => false,
         self::CDATA_WRAPPING_PATTERN => '/[<>&]/',
         self::IGNORE_EMPTY_ATTRIBUTES => false,
     ];
@@ -440,10 +442,15 @@ private function appendNode(\DOMNode $parentNode, mixed $data, string $format, a
 
     /**
      * Checks if a value contains any characters which would require CDATA wrapping.
+     *
+     * @param array<mixed, mixed> $context
      */
-    private function needsCdataWrapping(string $val, array $context): bool
+    private function needsCdataWrapping(string $name, string $val, array $context): bool
     {
-        return ($context[self::CDATA_WRAPPING] ?? $this->defaultContext[self::CDATA_WRAPPING]) && preg_match($context[self::CDATA_WRAPPING_PATTERN] ?? $this->defaultContext[self::CDATA_WRAPPING_PATTERN], $val);
+        return ($context[self::CDATA_WRAPPING] ?? $this->defaultContext[self::CDATA_WRAPPING]) &&
+                (preg_match($context[self::CDATA_WRAPPING_PATTERN] ?? $this->defaultContext[self::CDATA_WRAPPING_PATTERN], $val) ||
+                (($context[self::CDATA_WRAPPING_NAME_PATTERN] ?? $this->defaultContext[self::CDATA_WRAPPING_NAME_PATTERN]) && preg_match($context[self::CDATA_WRAPPING_NAME_PATTERN] ?? $this->defaultContext[self::CDATA_WRAPPING_NAME_PATTERN], $name))
+            );
     }
 
     /**
@@ -471,7 +478,7 @@ private function selectNodeType(\DOMNode $node, mixed $val, string $format, arra
             return $this->selectNodeType($node, $this->serializer->normalize($val, $format, $context), $format, $context);
         } elseif (is_numeric($val)) {
             return $this->appendText($node, (string) $val);
-        } elseif (\is_string($val) && $this->needsCdataWrapping($val, $context)) {
+        } elseif (\is_string($val) && $this->needsCdataWrapping($node->nodeName, $val, $context)) {
             return $this->appendCData($node, $val);
         } elseif (\is_string($val)) {
             return $this->appendText($node, $val);
diff --git a/src/Symfony/Component/Serializer/Tests/Encoder/XmlEncoderTest.php b/src/Symfony/Component/Serializer/Tests/Encoder/XmlEncoderTest.php
index 78699983f7592..82d23320d7cec 100644
--- a/src/Symfony/Component/Serializer/Tests/Encoder/XmlEncoderTest.php
+++ b/src/Symfony/Component/Serializer/Tests/Encoder/XmlEncoderTest.php
@@ -568,6 +568,23 @@ public function testDecodeXMLWithProcessInstruction()
         $this->assertEquals(get_object_vars($obj), $this->encoder->decode($source, 'xml'));
     }
 
+    public function testCDataNamePattern()
+    {
+        $expected = <<<'XML'
+<?xml version="1.0"?>
+<response><person><firstname><![CDATA[Benjamin]]></firstname><lastname><![CDATA[Alexandre]]></lastname><other><![CDATA[data]]></other></person><person><firstname><![CDATA[Damien]]></firstname><lastname><![CDATA[Clay]]></lastname><other><![CDATA[data]]></other></person></response>
+
+XML;
+        $source = ['person' => [
+            ['firstname' => 'Benjamin', 'lastname' => 'Alexandre', 'other' => 'data'],
+            ['firstname' => 'Damien', 'lastname' => 'Clay', 'other' => 'data'],
+        ]];
+
+        $this->assertEquals($expected, $this->encoder->encode($source, 'xml',[
+            XmlEncoder::CDATA_WRAPPING_NAME_PATTERN => '(firstname|lastname|)'
+        ]));
+    }
+
     public function testDecodeIgnoreWhiteSpace()
     {
         $source = <<<'XML'

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