feat: 全量同步 254 个常用的 Arduino 扩展库文件
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// ArduinoJson - arduinojson.org
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// Copyright Benoit Blanchon 2014-2020
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// MIT License
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#pragma once
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#include <ArduinoJson/Misc/Visitable.hpp>
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#include <ArduinoJson/Numbers/arithmeticCompare.hpp>
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#include <ArduinoJson/Polyfills/attributes.hpp>
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#include <ArduinoJson/Polyfills/type_traits.hpp>
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#include <ArduinoJson/Variant/VariantAs.hpp>
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#include <ArduinoJson/Variant/VariantTag.hpp>
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namespace ARDUINOJSON_NAMESPACE {
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template <typename T1, typename T2>
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CompareResult compare(const T1 &lhs, const T2 &rhs); // VariantCompare.cpp
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template <typename TVariant>
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struct VariantOperators {
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// Returns the default value if the VariantRef is undefined or incompatible
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//
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// int operator|(JsonVariant, int)
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// float operator|(JsonVariant, float)
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// bool operator|(JsonVariant, bool)
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// const char* operator|(JsonVariant, const char*)
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// char* operator|(JsonVariant, const char*)
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template <typename T>
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friend typename enable_if<!IsVariant<T>::value,
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typename VariantAs<T>::type>::type
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operator|(const TVariant &variant, T defaultValue) {
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if (variant.template is<T>())
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return variant.template as<T>();
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else
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return defaultValue;
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}
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//
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// JsonVariant operator|(JsonVariant, JsonVariant)
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template <typename T>
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friend typename enable_if<IsVariant<T>::value, typename T::variant_type>::type
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operator|(const TVariant &variant, T defaultValue) {
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if (variant)
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return variant;
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else
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return defaultValue;
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}
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// value == TVariant
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template <typename T>
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friend bool operator==(T *lhs, TVariant rhs) {
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return compare(rhs, lhs) == COMPARE_RESULT_EQUAL;
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}
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template <typename T>
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friend bool operator==(const T &lhs, TVariant rhs) {
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return compare(rhs, lhs) == COMPARE_RESULT_EQUAL;
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}
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// TVariant == value
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template <typename T>
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friend bool operator==(TVariant lhs, T *rhs) {
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return compare(lhs, rhs) == COMPARE_RESULT_EQUAL;
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}
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template <typename T>
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friend typename enable_if<!IsVisitable<T>::value, bool>::type operator==(
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TVariant lhs, const T &rhs) {
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return compare(lhs, rhs) == COMPARE_RESULT_EQUAL;
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}
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// value != TVariant
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template <typename T>
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friend bool operator!=(T *lhs, TVariant rhs) {
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return compare(rhs, lhs) != COMPARE_RESULT_EQUAL;
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}
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template <typename T>
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friend bool operator!=(const T &lhs, TVariant rhs) {
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return compare(rhs, lhs) != COMPARE_RESULT_EQUAL;
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}
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// TVariant != value
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template <typename T>
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friend bool operator!=(TVariant lhs, T *rhs) {
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return compare(lhs, rhs) != COMPARE_RESULT_EQUAL;
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}
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template <typename T>
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friend typename enable_if<!IsVisitable<T>::value, bool>::type operator!=(
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TVariant lhs, const T &rhs) {
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return compare(lhs, rhs) != COMPARE_RESULT_EQUAL;
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}
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// value < TVariant
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template <typename T>
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friend bool operator<(T *lhs, TVariant rhs) {
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return compare(rhs, lhs) == COMPARE_RESULT_GREATER;
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}
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template <typename T>
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friend bool operator<(const T &lhs, TVariant rhs) {
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return compare(rhs, lhs) == COMPARE_RESULT_GREATER;
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}
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// TVariant < value
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template <typename T>
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friend bool operator<(TVariant lhs, T *rhs) {
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return compare(lhs, rhs) == COMPARE_RESULT_LESS;
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}
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template <typename T>
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friend typename enable_if<!IsVisitable<T>::value, bool>::type operator<(
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TVariant lhs, const T &rhs) {
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return compare(lhs, rhs) == COMPARE_RESULT_LESS;
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}
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// value <= TVariant
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template <typename T>
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friend bool operator<=(T *lhs, TVariant rhs) {
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return (compare(rhs, lhs) & COMPARE_RESULT_GREATER_OR_EQUAL) != 0;
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}
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template <typename T>
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friend bool operator<=(const T &lhs, TVariant rhs) {
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return (compare(rhs, lhs) & COMPARE_RESULT_GREATER_OR_EQUAL) != 0;
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}
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// TVariant <= value
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template <typename T>
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friend bool operator<=(TVariant lhs, T *rhs) {
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return (compare(lhs, rhs) & COMPARE_RESULT_LESS_OR_EQUAL) != 0;
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}
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template <typename T>
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friend typename enable_if<!IsVisitable<T>::value, bool>::type operator<=(
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TVariant lhs, const T &rhs) {
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return (compare(lhs, rhs) & COMPARE_RESULT_LESS_OR_EQUAL) != 0;
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}
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// value > TVariant
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template <typename T>
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friend bool operator>(T *lhs, TVariant rhs) {
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return compare(rhs, lhs) == COMPARE_RESULT_LESS;
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}
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template <typename T>
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friend bool operator>(const T &lhs, TVariant rhs) {
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return compare(rhs, lhs) == COMPARE_RESULT_LESS;
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}
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// TVariant > value
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template <typename T>
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friend bool operator>(TVariant lhs, T *rhs) {
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return compare(lhs, rhs) == COMPARE_RESULT_GREATER;
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}
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template <typename T>
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friend typename enable_if<!IsVisitable<T>::value, bool>::type operator>(
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TVariant lhs, const T &rhs) {
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return compare(lhs, rhs) == COMPARE_RESULT_GREATER;
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}
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// value >= TVariant
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template <typename T>
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friend bool operator>=(T *lhs, TVariant rhs) {
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return (compare(rhs, lhs) & COMPARE_RESULT_LESS_OR_EQUAL) != 0;
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}
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template <typename T>
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friend bool operator>=(const T &lhs, TVariant rhs) {
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return (compare(rhs, lhs) & COMPARE_RESULT_LESS_OR_EQUAL) != 0;
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}
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// TVariant >= value
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template <typename T>
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friend bool operator>=(TVariant lhs, T *rhs) {
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return (compare(lhs, rhs) & COMPARE_RESULT_GREATER_OR_EQUAL) != 0;
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}
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template <typename T>
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friend typename enable_if<!IsVisitable<T>::value, bool>::type operator>=(
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TVariant lhs, const T &rhs) {
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return (compare(lhs, rhs) & COMPARE_RESULT_GREATER_OR_EQUAL) != 0;
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}
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};
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} // namespace ARDUINOJSON_NAMESPACE
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