JsonArraySubscript.hpp
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// Copyright Benoit Blanchon 2014-2017
// MIT License
//
// Arduino JSON library
// https://bblanchon.github.io/ArduinoJson/
// If you like this project, please add a star!
#pragma once
#include "Configuration.hpp"
#include "JsonVariantBase.hpp"
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable : 4522)
#endif
namespace ArduinoJson {
class JsonArraySubscript : public JsonVariantBase<JsonArraySubscript> {
public:
FORCE_INLINE JsonArraySubscript(JsonArray& array, size_t index)
: _array(array), _index(index) {}
FORCE_INLINE JsonArraySubscript& operator=(const JsonArraySubscript& src) {
_array.set(_index, src);
return *this;
}
// Replaces the value
//
// operator=(TValue)
// TValue = bool, long, int, short, float, double, RawJson, JsonVariant,
// const std::string&, const String&,
// const JsonArray&, const JsonObject&
template <typename T>
FORCE_INLINE JsonArraySubscript& operator=(const T& src) {
_array.set(_index, src);
return *this;
}
//
// operator=(TValue)
// TValue = const char*, const char[N], const FlashStringHelper*
template <typename T>
FORCE_INLINE JsonArraySubscript& operator=(const T* src) {
_array.set(_index, src);
return *this;
}
FORCE_INLINE bool success() const {
return _index < _array.size();
}
template <typename T>
FORCE_INLINE typename Internals::JsonVariantAs<T>::type as() const {
return _array.get<T>(_index);
}
template <typename T>
FORCE_INLINE bool is() const {
return _array.is<T>(_index);
}
// Replaces the value
//
// bool set(TValue)
// TValue = bool, long, int, short, float, double, RawJson, JsonVariant,
// const std::string&, const String&,
// const JsonArray&, const JsonObject&
template <typename TValue>
FORCE_INLINE bool set(const TValue& value) {
return _array.set(_index, value);
}
//
// bool set(TValue)
// TValue = const char*, const char[N], const FlashStringHelper*
template <typename TValue>
FORCE_INLINE bool set(const TValue* value) {
return _array.set(_index, value);
}
//
// bool set(TValue, uint8_t decimals);
// TValue = float, double
template <typename TValue>
FORCE_INLINE bool set(const TValue& value, uint8_t decimals) {
return _array.set(_index, value, decimals);
}
private:
JsonArray& _array;
const size_t _index;
};
#if ARDUINOJSON_ENABLE_STD_STREAM
inline std::ostream& operator<<(std::ostream& os,
const JsonArraySubscript& source) {
return source.printTo(os);
}
#endif
inline JsonArraySubscript JsonArray::operator[](size_t index) {
return JsonArraySubscript(*this, index);
}
inline const JsonArraySubscript JsonArray::operator[](size_t index) const {
return JsonArraySubscript(*const_cast<JsonArray*>(this), index);
}
template <typename TImplem>
inline JsonArraySubscript JsonVariantBase<TImplem>::operator[](int index) {
return as<JsonArray>()[index];
}
template <typename TImplem>
inline const JsonArraySubscript JsonVariantBase<TImplem>::operator[](
int index) const {
return as<JsonArray>()[index];
}
} // namespace ArduinoJson
#ifdef _MSC_VER
#pragma warning(pop)
#endif