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// ArduinoJson - https://arduinojson.org
// Copyright Benoit Blanchon 2014-2021
// MIT License
#pragma once
#include "lib/ArduinoJson/Namespace.hpp"
#include "lib/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
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