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arduino-cli/libraries/ArduinoJson_6.x/ArduinoJson/Collection/CollectionData.hpp

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+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2020
+// MIT License
+
+#pragma once
+
+#include <ArduinoJson/Namespace.hpp>
+#include <ArduinoJson/Polyfills/assert.hpp>
+
+#include <stddef.h>  // size_t
+
+namespace ARDUINOJSON_NAMESPACE {
+
+class MemoryPool;
+class VariantData;
+class VariantSlot;
+
+class CollectionData {
+  VariantSlot *_head;
+  VariantSlot *_tail;
+
+ public:
+  // Must be a POD!
+  // - no constructor
+  // - no destructor
+  // - no virtual
+  // - no inheritance
+
+  // Array only
+
+  VariantData *addElement(MemoryPool *pool);
+
+  VariantData *getElement(size_t index) const;
+
+  VariantData *getOrAddElement(size_t index, MemoryPool *pool);
+
+  void removeElement(size_t index);
+
+  bool equalsArray(const CollectionData &other) const;
+
+  // Object only
+
+  template <typename TAdaptedString>
+  VariantData *addMember(TAdaptedString key, MemoryPool *pool);
+
+  template <typename TAdaptedString>
+  VariantData *getMember(TAdaptedString key) const;
+
+  template <typename TAdaptedString>
+  VariantData *getOrAddMember(TAdaptedString key, MemoryPool *pool);
+
+  template <typename TAdaptedString>
+  void removeMember(TAdaptedString key) {
+    removeSlot(getSlot(key));
+  }
+
+  template <typename TAdaptedString>
+  bool containsKey(const TAdaptedString &key) const;
+
+  bool equalsObject(const CollectionData &other) const;
+
+  // Generic
+
+  void clear();
+  size_t memoryUsage() const;
+  size_t nesting() const;
+  size_t size() const;
+
+  VariantSlot *addSlot(MemoryPool *);
+  void removeSlot(VariantSlot *slot);
+
+  bool copyFrom(const CollectionData &src, MemoryPool *pool);
+
+  VariantSlot *head() const {
+    return _head;
+  }
+
+  void movePointers(ptrdiff_t stringDistance, ptrdiff_t variantDistance);
+
+ private:
+  VariantSlot *getSlot(size_t index) const;
+
+  template <typename TAdaptedString>
+  VariantSlot *getSlot(TAdaptedString key) const;
+
+  VariantSlot *getPreviousSlot(VariantSlot *) const;
+};
+}  // namespace ARDUINOJSON_NAMESPACE