Extract StringNode.hpp

src/ArduinoJson/Memory/MemoryPool.hpp

@@ -6,6 +6,7 @@
 
 #include <ArduinoJson/Memory/Alignment.hpp>
 #include <ArduinoJson/Memory/Allocator.hpp>
+#include <ArduinoJson/Memory/StringNode.hpp>
 #include <ArduinoJson/Polyfills/assert.hpp>
 #include <ArduinoJson/Polyfills/mpl/max.hpp>
 #include <ArduinoJson/Strings/StringAdapters.hpp>
@@ -25,18 +26,6 @@ constexpr size_t sizeofObject(size_t n) {
   return n * sizeof(VariantSlot);
 }
 
-struct StringNode {
-  struct StringNode* next;
-  uint16_t length;
-  uint16_t references;
-  char data[1];
-};
-
-// Returns the size (in bytes) of an string with n characters.
-constexpr size_t sizeofString(size_t n) {
-  return n + 1 + offsetof(StringNode, data);
-}
-
 class MemoryPool {
  public:
   MemoryPool(size_t capa, Allocator* allocator = DefaultAllocator::instance())

src/ArduinoJson/Memory/StringNode.hpp

@@ -0,0 +1,25 @@
+// ArduinoJson - https://arduinojson.org
+// Copyright © 2014-2023, Benoit BLANCHON
+// MIT License
+
+#pragma once
+
+#include <ArduinoJson/Namespace.hpp>
+
+#include <stdint.h>  // uint16_t
+
+ARDUINOJSON_BEGIN_PRIVATE_NAMESPACE
+
+struct StringNode {
+  struct StringNode* next;
+  uint16_t length;
+  uint16_t references;
+  char data[1];
+};
+
+// Returns the size (in bytes) of an string with n characters.
+constexpr size_t sizeofString(size_t n) {
+  return n + 1 + offsetof(StringNode, data);
+}
+
+ARDUINOJSON_END_PRIVATE_NAMESPACE

src/ArduinoJson/Variant/VariantData.hpp

@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include <ArduinoJson/Memory/StringNode.hpp>
 #include <ArduinoJson/Misc/SerializedValue.hpp>
 #include <ArduinoJson/Numbers/convertNumber.hpp>
 #include <ArduinoJson/Strings/JsonString.hpp>