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https://github.com/eledio-devices/thirdparty-ArduinoJson.git
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Renamed and moved internal files
This commit is contained in:
Benoit Blanchon
288
src/ArduinoJson/Object/ObjectRef.hpp
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288
src/ArduinoJson/Object/ObjectRef.hpp
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// ArduinoJson - arduinojson.org
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// Copyright Benoit Blanchon 2014-2018
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// MIT License
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#pragma once
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#include "ObjectFunctions.hpp"
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#include "ObjectIterator.hpp"
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// Returns the size (in bytes) of an object with n elements.
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// Can be very handy to determine the size of a StaticMemoryPool.
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#define JSON_OBJECT_SIZE(NUMBER_OF_ELEMENTS) \
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((NUMBER_OF_ELEMENTS) * sizeof(ARDUINOJSON_NAMESPACE::VariantSlot))
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namespace ARDUINOJSON_NAMESPACE {
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template <typename TData>
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class ObjectRefBase {
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public:
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// Tells weither the specified key is present and associated with a value.
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//
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// bool containsKey(TKey);
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// TKey = const std::string&, const String&
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template <typename TKey>
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FORCE_INLINE bool containsKey(const TKey& key) const {
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return objectContainsKey(_data, makeString(key));
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}
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//
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// bool containsKey(TKey);
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// TKey = char*, const char*, char[], const char[], const FlashStringHelper*
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template <typename TKey>
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FORCE_INLINE bool containsKey(TKey* key) const {
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return objectContainsKey(_data, makeString(key));
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}
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FORCE_INLINE bool isNull() const {
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return _data == 0;
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}
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FORCE_INLINE size_t size() const {
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return objectSize(_data);
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}
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protected:
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ObjectRefBase(TData* data) : _data(data) {}
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TData* _data;
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};
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class ObjectConstRef : public ObjectRefBase<const ObjectData>,
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public Visitable {
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friend class ObjectRef;
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typedef ObjectRefBase<const ObjectData> base_type;
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public:
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typedef ObjectConstIterator iterator;
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ObjectConstRef() : base_type(0) {}
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ObjectConstRef(const ObjectData* data) : base_type(data) {}
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template <typename Visitor>
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FORCE_INLINE void accept(Visitor& visitor) const {
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if (_data)
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visitor.visitObject(*this);
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else
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visitor.visitNull();
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}
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FORCE_INLINE iterator begin() const {
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if (!_data) return iterator();
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return iterator(_data->head);
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}
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FORCE_INLINE iterator end() const {
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return iterator();
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}
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// Gets the value associated with the specified key.
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//
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// TValue get<TValue>(TKey) const;
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// TKey = const std::string&, const String&
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// TValue = bool, char, long, int, short, float, double,
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// std::string, String, ArrayConstRef, ObjectConstRef
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template <typename TKey>
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FORCE_INLINE VariantConstRef get(const TKey& key) const {
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return get_impl(makeString(key));
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}
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//
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// TValue get<TValue>(TKey) const;
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// TKey = char*, const char*, const FlashStringHelper*
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// TValue = bool, char, long, int, short, float, double,
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// std::string, String, ArrayConstRef, ObjectConstRef
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template <typename TKey>
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FORCE_INLINE VariantConstRef get(TKey* key) const {
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return get_impl(makeString(key));
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}
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//
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// VariantConstRef operator[](TKey) const;
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// TKey = const std::string&, const String&
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template <typename TKey>
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FORCE_INLINE typename enable_if<IsString<TKey>::value, VariantConstRef>::type
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operator[](const TKey& key) const {
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return get_impl(makeString(key));
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}
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//
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// VariantConstRef operator[](TKey) const;
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// TKey = const char*, const char[N], const FlashStringHelper*
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template <typename TKey>
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FORCE_INLINE typename enable_if<IsString<TKey*>::value, VariantConstRef>::type
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operator[](TKey* key) const {
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return get_impl(makeString(key));
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}
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FORCE_INLINE bool operator==(ObjectConstRef rhs) const {
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return objectEquals(_data, rhs._data);
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}
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private:
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template <typename TKey>
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FORCE_INLINE VariantConstRef get_impl(TKey key) const {
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return VariantConstRef(objectGet(_data, key));
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}
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};
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class ObjectRef : public ObjectRefBase<ObjectData>, public Visitable {
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typedef ObjectRefBase<ObjectData> base_type;
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public:
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typedef ObjectIterator iterator;
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FORCE_INLINE ObjectRef() : base_type(0), _memoryPool(0) {}
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FORCE_INLINE ObjectRef(MemoryPool* buf, ObjectData* data)
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: base_type(data), _memoryPool(buf) {}
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operator VariantRef() const {
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return VariantRef(_memoryPool, getVariantData(_data));
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}
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operator ObjectConstRef() const {
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return ObjectConstRef(_data);
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}
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FORCE_INLINE iterator begin() const {
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if (!_data) return iterator();
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return iterator(_memoryPool, _data->head);
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}
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FORCE_INLINE iterator end() const {
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return iterator();
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}
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void clear() const {
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objectClear(_data);
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}
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FORCE_INLINE bool copyFrom(ObjectConstRef src) {
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return objectCopy(_data, src._data, _memoryPool);
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}
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// Creates and adds a ArrayRef.
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//
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// ArrayRef createNestedArray(TKey);
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// TKey = const std::string&, const String&
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template <typename TKey>
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FORCE_INLINE ArrayRef createNestedArray(const TKey& key) const;
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// ArrayRef createNestedArray(TKey);
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// TKey = char*, const char*, char[], const char[], const FlashStringHelper*
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template <typename TKey>
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FORCE_INLINE ArrayRef createNestedArray(TKey* key) const;
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// Creates and adds a ObjectRef.
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//
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// ObjectRef createNestedObject(TKey);
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// TKey = const std::string&, const String&
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template <typename TKey>
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FORCE_INLINE ObjectRef createNestedObject(const TKey& key) const {
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return set(key).template to<ObjectRef>();
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}
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//
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// ObjectRef createNestedObject(TKey);
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// TKey = char*, const char*, char[], const char[], const FlashStringHelper*
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template <typename TKey>
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FORCE_INLINE ObjectRef createNestedObject(TKey* key) const {
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return set(key).template to<ObjectRef>();
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}
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// Gets the value associated with the specified key.
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//
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// TValue get<TValue>(TKey) const;
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// TKey = const std::string&, const String&
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// TValue = bool, char, long, int, short, float, double,
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// std::string, String, ArrayRef, ObjectRef
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template <typename TKey>
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FORCE_INLINE VariantRef get(const TKey& key) const {
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return get_impl(makeString(key));
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}
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//
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// TValue get<TValue>(TKey) const;
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// TKey = char*, const char*, const FlashStringHelper*
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// TValue = bool, char, long, int, short, float, double,
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// std::string, String, ArrayRef, ObjectRef
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template <typename TKey>
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FORCE_INLINE VariantRef get(TKey* key) const {
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return get_impl(makeString(key));
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}
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// Gets or sets the value associated with the specified key.
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//
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// ObjectSubscript operator[](TKey)
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// TKey = const std::string&, const String&
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template <typename TKey>
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FORCE_INLINE ObjectSubscript<const TKey&> operator[](const TKey& key) const {
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return ObjectSubscript<const TKey&>(*this, key);
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}
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//
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// ObjectSubscript operator[](TKey)
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// TKey = char*, const char*, char[], const char[N], const FlashStringHelper*
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template <typename TKey>
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FORCE_INLINE ObjectSubscript<TKey*> operator[](TKey* key) const {
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return ObjectSubscript<TKey*>(*this, key);
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}
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FORCE_INLINE bool operator==(ObjectRef rhs) const {
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return objectEquals(_data, rhs._data);
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}
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FORCE_INLINE void remove(iterator it) const {
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objectRemove(_data, it.internal());
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}
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// Removes the specified key and the associated value.
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//
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// void remove(TKey);
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// TKey = const std::string&, const String&
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template <typename TKey>
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FORCE_INLINE void remove(const TKey& key) const {
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remove_impl(makeString(key));
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}
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//
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// void remove(TKey);
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// TKey = char*, const char*, char[], const char[], const FlashStringHelper*
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template <typename TKey>
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FORCE_INLINE void remove(TKey* key) const {
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remove_impl(makeString(key));
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}
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template <typename TKey>
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FORCE_INLINE VariantRef set(TKey* key) const {
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return set_impl(makeString(key));
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}
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template <typename TKey>
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FORCE_INLINE VariantRef set(const TKey& key) const {
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return set_impl(makeString(key));
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}
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FORCE_INLINE VariantRef set(StringInMemoryPool key) const {
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return set_impl(key);
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}
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FORCE_INLINE VariantRef set(ZeroTerminatedRamStringConst key) const {
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return set_impl(key);
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}
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template <typename Visitor>
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FORCE_INLINE void accept(Visitor& visitor) const {
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ObjectConstRef(_data).accept(visitor);
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}
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private:
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template <typename TStringRef>
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FORCE_INLINE VariantRef get_impl(TStringRef key) const {
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return VariantRef(_memoryPool, objectGet(_data, key));
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}
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template <typename TKey>
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FORCE_INLINE VariantRef set_impl(TKey key) const {
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return VariantRef(_memoryPool, objectSet(_data, key, _memoryPool));
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}
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template <typename TStringRef>
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FORCE_INLINE void remove_impl(TStringRef key) const {
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objectRemove(_data, objectFindSlot(_data, key));
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}
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MemoryPool* _memoryPool;
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};
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} // namespace ARDUINOJSON_NAMESPACE
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