[209] | 1 | // Copyright Benoit Blanchon 2014-2016
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| 2 | // MIT License
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| 3 | //
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| 4 | // Arduino JSON library
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| 5 | // https://github.com/bblanchon/ArduinoJson
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| 6 | // If you like this project, please add a star!
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| 7 |
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| 8 | #pragma once
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| 9 |
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| 10 | #include "Configuration.hpp"
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| 11 | #include "JsonVariantBase.hpp"
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| 12 | #include "TypeTraits/EnableIf.hpp"
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| 13 |
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| 14 | #ifdef _MSC_VER
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| 15 | #pragma warning(push)
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| 16 | #pragma warning(disable : 4522)
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| 17 | #endif
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| 18 |
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| 19 | namespace ArduinoJson {
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| 20 |
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| 21 | template <typename TKey>
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| 22 | class JsonObjectSubscript : public JsonVariantBase<JsonObjectSubscript<TKey> > {
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| 23 | public:
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| 24 | FORCE_INLINE JsonObjectSubscript(JsonObject& object, TKey key)
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| 25 | : _object(object), _key(key) {}
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| 26 |
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| 27 | JsonObjectSubscript<TKey>& operator=(const JsonObjectSubscript<TKey>& src) {
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| 28 | _object.set<const JsonVariant&>(_key, src);
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| 29 | return *this;
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| 30 | }
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| 31 |
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| 32 | template <typename T>
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| 33 | typename TypeTraits::EnableIf<JsonObject::CanSet<T&>::value,
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| 34 | JsonObjectSubscript<TKey> >::type&
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| 35 | operator=(const T& src) {
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| 36 | _object.set<T&>(_key, const_cast<T&>(src));
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| 37 | return *this;
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| 38 | }
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| 39 |
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| 40 | template <typename T>
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| 41 | typename TypeTraits::EnableIf<JsonObject::CanSet<T>::value,
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| 42 | JsonObjectSubscript<TKey> >::type&
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| 43 | operator=(T src) {
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| 44 | _object.set<T>(_key, src);
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| 45 | return *this;
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| 46 | }
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| 47 |
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| 48 | FORCE_INLINE bool success() const { return _object.containsKey(_key); }
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| 49 |
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| 50 | FORCE_INLINE operator JsonVariant() const { return _object.get(_key); }
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| 51 |
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| 52 | template <typename TValue>
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| 53 | FORCE_INLINE TValue as() const {
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| 54 | return _object.get<TValue>(_key);
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| 55 | }
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| 56 |
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| 57 | template <typename TValue>
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| 58 | FORCE_INLINE bool is() const {
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| 59 | return _object.is<TValue>(_key);
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| 60 | }
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| 61 |
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| 62 | template <typename TValue>
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| 63 | FORCE_INLINE bool set(TValue value) {
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| 64 | return _object.set<TValue>(_key, value);
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| 65 | }
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| 66 |
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| 67 | template <typename TValue>
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| 68 | FORCE_INLINE bool set(TValue value, uint8_t decimals) {
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| 69 | return _object.set(_key, value, decimals);
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| 70 | }
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| 71 |
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| 72 | FORCE_INLINE JsonVariant get() { return _object.get(_key); }
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| 73 |
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| 74 | void writeTo(Internals::JsonWriter& writer) const {
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| 75 | _object.get(_key).writeTo(writer);
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| 76 | }
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| 77 |
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| 78 | private:
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| 79 | JsonObject& _object;
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| 80 | TKey _key;
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| 81 | };
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| 82 |
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| 83 | #if ARDUINOJSON_ENABLE_STD_STREAM
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| 84 | inline std::ostream& operator<<(
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| 85 | std::ostream& os, const JsonObjectSubscript<const String&>& source) {
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| 86 | return source.printTo(os);
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| 87 | }
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| 88 |
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| 89 | inline std::ostream& operator<<(
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| 90 | std::ostream& os, const JsonObjectSubscript<const char*>& source) {
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| 91 | return source.printTo(os);
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| 92 | }
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| 93 | #endif
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| 94 |
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| 95 | } // namespace ArduinoJson
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| 96 |
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| 97 | #ifdef _MSC_VER
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| 98 | #pragma warning(pop)
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| 99 | #endif
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