From df8476c92a7cd1c3f59ec3e7d7a2147aa2286123 Mon Sep 17 00:00:00 2001
From: Markus Staab <maggus.staab@googlemail.com>
Date: Fri, 21 Nov 2025 08:24:12 +0100
Subject: [PATCH 1/5] Add XMLSerializer->appendToWriter()

---
 src/XMLSerializer.php | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/XMLSerializer.php b/src/XMLSerializer.php
index 3f477b5..12e1d7a 100644
--- a/src/XMLSerializer.php
+++ b/src/XMLSerializer.php
@@ -2,6 +2,7 @@
 namespace TheSeer\Tokenizer;
 
 use DOMDocument;
+use XMLWriter;
 
 class XMLSerializer {
 
@@ -32,6 +33,13 @@ public function toXML(TokenCollection $tokens): string {
         $writer = new \XMLWriter();
         $writer->openMemory();
         $writer->setIndent(true);
+
+        $this->appendToWriter($writer, $tokens);
+
+        return $writer->outputMemory();
+    }
+    
+    public function appendToWriter(XMLWriter $writer, TokenCollection $tokens): void {
         $writer->startDocument();
         $writer->startElement('source');
         $writer->writeAttribute('xmlns', $this->xmlns->asString());
@@ -68,7 +76,5 @@ public function toXML(TokenCollection $tokens): string {
 
         $writer->endElement();
         $writer->endDocument();
-
-        return $writer->outputMemory();
     }
 }

From 8a57cf7c87fa13cd147ed8fd8736fa68f0cfce27 Mon Sep 17 00:00:00 2001
From: Markus Staab <maggus.staab@googlemail.com>
Date: Sat, 22 Nov 2025 09:42:24 +0100
Subject: [PATCH 2/5] Added test

---
 tests/XMLSerializerTest.php | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/tests/XMLSerializerTest.php b/tests/XMLSerializerTest.php
index 7cbbbe0..d6015a6 100644
--- a/tests/XMLSerializerTest.php
+++ b/tests/XMLSerializerTest.php
@@ -25,6 +25,18 @@ public function testCanBeSerializedToXml(): void {
         $this->assertEquals($expected, $serializer->toXML($this->tokens));
     }
 
+    public function testCanAppendToWriter(): void {
+        $expected = \file_get_contents(__DIR__ . '/_files/test.php.xml');
+
+        $writer = new \XMLWriter();
+        $writer->openMemory();
+        $writer->setIndent(true);
+
+        $serializer = new XMLSerializer();
+        $serializer->appendToWriter($writer, $this->tokens);
+        $this->assertEquals($expected, $writer->outputMemory());
+    }
+
     public function testCanBeSerializedToDomDocument(): void {
         $serializer = new XMLSerializer();
         $result     = $serializer->toDom($this->tokens);

From 3fb2723556497c3d0e6b8cc9b408f3a5c8b66240 Mon Sep 17 00:00:00 2001
From: Markus Staab <maggus.staab@googlemail.com>
Date: Sat, 22 Nov 2025 09:51:28 +0100
Subject: [PATCH 3/5] fix

---
 src/XMLSerializer.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/XMLSerializer.php b/src/XMLSerializer.php
index 12e1d7a..253509f 100644
--- a/src/XMLSerializer.php
+++ b/src/XMLSerializer.php
@@ -34,13 +34,14 @@ public function toXML(TokenCollection $tokens): string {
         $writer->openMemory();
         $writer->setIndent(true);
 
+        $writer->startDocument();
         $this->appendToWriter($writer, $tokens);
+        $writer->endDocument();
 
         return $writer->outputMemory();
     }
     
     public function appendToWriter(XMLWriter $writer, TokenCollection $tokens): void {
-        $writer->startDocument();
         $writer->startElement('source');
         $writer->writeAttribute('xmlns', $this->xmlns->asString());
 
@@ -75,6 +76,5 @@ public function appendToWriter(XMLWriter $writer, TokenCollection $tokens): void
         }
 
         $writer->endElement();
-        $writer->endDocument();
     }
 }

From c8c41853d1ac742c65d456d483ef2df5cd74414c Mon Sep 17 00:00:00 2001
From: Markus Staab <maggus.staab@googlemail.com>
Date: Sat, 22 Nov 2025 09:52:24 +0100
Subject: [PATCH 4/5] Update XMLSerializerTest.php

---
 tests/XMLSerializerTest.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tests/XMLSerializerTest.php b/tests/XMLSerializerTest.php
index d6015a6..9a439c8 100644
--- a/tests/XMLSerializerTest.php
+++ b/tests/XMLSerializerTest.php
@@ -33,7 +33,10 @@ public function testCanAppendToWriter(): void {
         $writer->setIndent(true);
 
         $serializer = new XMLSerializer();
+        $writer->startDocument();
         $serializer->appendToWriter($writer, $this->tokens);
+        $writer->endDocument();
+        
         $this->assertEquals($expected, $writer->outputMemory());
     }
 

From b2fb8be32aad35062ff472839bc44b0cfc61cfa5 Mon Sep 17 00:00:00 2001
From: Markus Staab <maggus.staab@googlemail.com>
Date: Sat, 22 Nov 2025 09:56:22 +0100
Subject: [PATCH 5/5] cs

---
 tests/XMLSerializerTest.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/XMLSerializerTest.php b/tests/XMLSerializerTest.php
index 9a439c8..6e71d5f 100644
--- a/tests/XMLSerializerTest.php
+++ b/tests/XMLSerializerTest.php
@@ -36,7 +36,7 @@ public function testCanAppendToWriter(): void {
         $writer->startDocument();
         $serializer->appendToWriter($writer, $this->tokens);
         $writer->endDocument();
-        
+
         $this->assertEquals($expected, $writer->outputMemory());
     }