mirror of
https://github.com/eledio-devices/thirdparty-ArduinoJson.git
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134 lines
3.7 KiB
C++
134 lines
3.7 KiB
C++
// 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 "Configuration.hpp"
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#include "JsonVariantBase.hpp"
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#include "Polyfills/type_traits.hpp"
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#ifdef _MSC_VER
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#pragma warning(push)
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#pragma warning(disable : 4522)
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#endif
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namespace ArduinoJson {
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namespace Internals {
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template <typename TStringRef>
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class JsonObjectSubscript
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: public JsonVariantBase<JsonObjectSubscript<TStringRef> > {
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typedef JsonObjectSubscript<TStringRef> this_type;
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public:
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FORCE_INLINE JsonObjectSubscript(JsonObject object, TStringRef key)
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: _object(object), _key(key) {}
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FORCE_INLINE this_type &operator=(const this_type &src) {
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_object.set(_key, src);
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return *this;
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}
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// Set the specified value
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//
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// operator=(const TValue&);
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// TValue = bool, char, long, int, short, float, double,
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// std::string, String, JsonArray, JsonObject
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template <typename TValue>
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FORCE_INLINE typename enable_if<!is_array<TValue>::value, this_type &>::type
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operator=(const TValue &src) {
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_object.set(_key, src);
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return *this;
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}
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//
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// operator=(TValue);
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// TValue = char*, const char*, const FlashStringHelper*
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template <typename TValue>
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FORCE_INLINE this_type &operator=(TValue *src) {
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_object.set(_key, src);
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return *this;
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}
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FORCE_INLINE bool isNull() const {
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return !_object.containsKey(_key);
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}
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template <typename TValue>
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FORCE_INLINE typename JsonVariantAs<TValue>::type as() const {
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return _object.get<TValue>(_key);
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}
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template <typename TValue>
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FORCE_INLINE bool is() const {
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return _object.is<TValue>(_key);
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}
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// Sets the specified value.
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//
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// bool set(const TValue&);
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// TValue = bool, char, long, int, short, float, double, serialized,
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// JsonVariant,
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// std::string, String, JsonArray, JsonObject
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template <typename TValue>
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FORCE_INLINE typename enable_if<!is_array<TValue>::value, bool>::type set(
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const TValue &value) {
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return _object.set(_key, value);
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}
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//
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// bool set(TValue);
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// TValue = char*, const char, const FlashStringHelper*
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template <typename TValue>
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FORCE_INLINE bool set(const TValue *value) {
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return _object.set(_key, value);
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}
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template <typename Visitor>
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void visit(Visitor &visitor) const {
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return _object.get<JsonVariant>(_key).visit(visitor);
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}
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private:
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JsonObject _object;
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TStringRef _key;
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};
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template <typename TImpl>
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template <typename TString>
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inline typename enable_if<IsString<TString>::value,
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const JsonObjectSubscript<const TString &> >::type
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JsonVariantSubscripts<TImpl>::operator[](const TString &key) const {
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return impl()->template as<JsonObject>()[key];
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}
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template <typename TImpl>
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template <typename TString>
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inline typename enable_if<IsString<TString>::value,
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JsonObjectSubscript<const TString &> >::type
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JsonVariantSubscripts<TImpl>::operator[](const TString &key) {
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return impl()->template as<JsonObject>()[key];
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}
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template <typename TImpl>
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template <typename TString>
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inline typename enable_if<IsString<const TString *>::value,
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JsonObjectSubscript<const TString *> >::type
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JsonVariantSubscripts<TImpl>::operator[](const TString *key) {
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return impl()->template as<JsonObject>()[key];
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}
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template <typename TImpl>
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template <typename TString>
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inline typename enable_if<IsString<TString *>::value,
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const JsonObjectSubscript<const TString *> >::type
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JsonVariantSubscripts<TImpl>::operator[](const TString *key) const {
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return impl()->template as<JsonObject>()[key];
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}
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} // namespace Internals
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} // namespace ArduinoJson
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#ifdef _MSC_VER
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#pragma warning(pop)
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#endif
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