1 files changed, 180 insertions, 0 deletions
diff --git a/include/lib/ArduinoJson/Variant/VariantOperators.hpp b/include/lib/ArduinoJson/Variant/VariantOperators.hpp
new file mode 100644
index 0000000..54174a4
--- /dev/null
+++ b/include/lib/ArduinoJson/Variant/VariantOperators.hpp
@@ -0,0 +1,180 @@
+// ArduinoJson - https://arduinojson.org
+// Copyright Benoit Blanchon 2014-2021
+// MIT License
+
+#pragma once
+
+#include <ArduinoJson/Misc/Visitable.hpp>
+#include <ArduinoJson/Numbers/arithmeticCompare.hpp>
+#include <ArduinoJson/Polyfills/attributes.hpp>
+#include <ArduinoJson/Polyfills/type_traits.hpp>
+#include <ArduinoJson/Variant/VariantTag.hpp>
+
+namespace ARDUINOJSON_NAMESPACE {
+
+template <typename T1, typename T2>
+CompareResult compare(const T1 &lhs, const T2 &rhs);  // VariantCompare.cpp
+
+template <typename TVariant>
+struct VariantOperators {
+  // Returns the default value if the VariantRef is undefined or incompatible
+  //
+  // int operator|(JsonVariant, int)
+  // float operator|(JsonVariant, float)
+  // bool operator|(JsonVariant, bool)
+  template <typename T>
+  friend
+      typename enable_if<!IsVariant<T>::value && !is_array<T>::value, T>::type
+      operator|(const TVariant &variant, const T &defaultValue) {
+    if (variant.template is<T>())
+      return variant.template as<T>();
+    else
+      return defaultValue;
+  }
+  //
+  // const char* operator|(JsonVariant, const char*)
+  friend const char *operator|(const TVariant &variant,
+                               const char *defaultValue) {
+    if (variant.template is<const char *>())
+      return variant.template as<const char *>();
+    else
+      return defaultValue;
+  }
+  //
+  // JsonVariant operator|(JsonVariant, JsonVariant)
+  template <typename T>
+  friend typename enable_if<IsVariant<T>::value, typename T::variant_type>::type
+  operator|(const TVariant &variant, T defaultValue) {
+    if (variant)
+      return variant;
+    else
+      return defaultValue;
+  }
+
+  // value == TVariant
+  template <typename T>
+  friend bool operator==(T *lhs, TVariant rhs) {
+    return compare(rhs, lhs) == COMPARE_RESULT_EQUAL;
+  }
+  template <typename T>
+  friend bool operator==(const T &lhs, TVariant rhs) {
+    return compare(rhs, lhs) == COMPARE_RESULT_EQUAL;
+  }
+
+  // TVariant == value
+  template <typename T>
+  friend bool operator==(TVariant lhs, T *rhs) {
+    return compare(lhs, rhs) == COMPARE_RESULT_EQUAL;
+  }
+  template <typename T>
+  friend typename enable_if<!IsVisitable<T>::value, bool>::type operator==(
+      TVariant lhs, const T &rhs) {
+    return compare(lhs, rhs) == COMPARE_RESULT_EQUAL;
+  }
+
+  // value != TVariant
+  template <typename T>
+  friend bool operator!=(T *lhs, TVariant rhs) {
+    return compare(rhs, lhs) != COMPARE_RESULT_EQUAL;
+  }
+  template <typename T>
+  friend bool operator!=(const T &lhs, TVariant rhs) {
+    return compare(rhs, lhs) != COMPARE_RESULT_EQUAL;
+  }
+
+  // TVariant != value
+  template <typename T>
+  friend bool operator!=(TVariant lhs, T *rhs) {
+    return compare(lhs, rhs) != COMPARE_RESULT_EQUAL;
+  }
+  template <typename T>
+  friend typename enable_if<!IsVisitable<T>::value, bool>::type operator!=(
+      TVariant lhs, const T &rhs) {
+    return compare(lhs, rhs) != COMPARE_RESULT_EQUAL;
+  }
+
+  // value < TVariant
+  template <typename T>
+  friend bool operator<(T *lhs, TVariant rhs) {
+    return compare(rhs, lhs) == COMPARE_RESULT_GREATER;
+  }
+  template <typename T>
+  friend bool operator<(const T &lhs, TVariant rhs) {
+    return compare(rhs, lhs) == COMPARE_RESULT_GREATER;
+  }
+
+  // TVariant < value
+  template <typename T>
+  friend bool operator<(TVariant lhs, T *rhs) {
+    return compare(lhs, rhs) == COMPARE_RESULT_LESS;
+  }
+  template <typename T>
+  friend typename enable_if<!IsVisitable<T>::value, bool>::type operator<(
+      TVariant lhs, const T &rhs) {
+    return compare(lhs, rhs) == COMPARE_RESULT_LESS;
+  }
+
+  // value <= TVariant
+  template <typename T>
+  friend bool operator<=(T *lhs, TVariant rhs) {
+    return (compare(rhs, lhs) & COMPARE_RESULT_GREATER_OR_EQUAL) != 0;
+  }
+  template <typename T>
+  friend bool operator<=(const T &lhs, TVariant rhs) {
+    return (compare(rhs, lhs) & COMPARE_RESULT_GREATER_OR_EQUAL) != 0;
+  }
+
+  // TVariant <= value
+  template <typename T>
+  friend bool operator<=(TVariant lhs, T *rhs) {
+    return (compare(lhs, rhs) & COMPARE_RESULT_LESS_OR_EQUAL) != 0;
+  }
+  template <typename T>
+  friend typename enable_if<!IsVisitable<T>::value, bool>::type operator<=(
+      TVariant lhs, const T &rhs) {
+    return (compare(lhs, rhs) & COMPARE_RESULT_LESS_OR_EQUAL) != 0;
+  }
+
+  // value > TVariant
+  template <typename T>
+  friend bool operator>(T *lhs, TVariant rhs) {
+    return compare(rhs, lhs) == COMPARE_RESULT_LESS;
+  }
+  template <typename T>
+  friend bool operator>(const T &lhs, TVariant rhs) {
+    return compare(rhs, lhs) == COMPARE_RESULT_LESS;
+  }
+
+  // TVariant > value
+  template <typename T>
+  friend bool operator>(TVariant lhs, T *rhs) {
+    return compare(lhs, rhs) == COMPARE_RESULT_GREATER;
+  }
+  template <typename T>
+  friend typename enable_if<!IsVisitable<T>::value, bool>::type operator>(
+      TVariant lhs, const T &rhs) {
+    return compare(lhs, rhs) == COMPARE_RESULT_GREATER;
+  }
+
+  // value >= TVariant
+  template <typename T>
+  friend bool operator>=(T *lhs, TVariant rhs) {
+    return (compare(rhs, lhs) & COMPARE_RESULT_LESS_OR_EQUAL) != 0;
+  }
+  template <typename T>
+  friend bool operator>=(const T &lhs, TVariant rhs) {
+    return (compare(rhs, lhs) & COMPARE_RESULT_LESS_OR_EQUAL) != 0;
+  }
+
+  // TVariant >= value
+  template <typename T>
+  friend bool operator>=(TVariant lhs, T *rhs) {
+    return (compare(lhs, rhs) & COMPARE_RESULT_GREATER_OR_EQUAL) != 0;
+  }
+  template <typename T>
+  friend typename enable_if<!IsVisitable<T>::value, bool>::type operator>=(
+      TVariant lhs, const T &rhs) {
+    return (compare(lhs, rhs) & COMPARE_RESULT_GREATER_OR_EQUAL) != 0;
+  }
+};
+}  // namespace ARDUINOJSON_NAMESPACE