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arduino-cli/libraries/ArduinoJson_6.x/ArduinoJson/Variant/VariantAsImpl.hpp

@@ -0,0 +1,57 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2020
+// MIT License
+
+#pragma once
+
+#include <ArduinoJson/Strings/IsWriteableString.hpp>
+#include <ArduinoJson/Variant/VariantFunctions.hpp>
+#include <ArduinoJson/Variant/VariantRef.hpp>
+
+namespace ARDUINOJSON_NAMESPACE {
+
+template <typename T>
+inline typename enable_if<is_same<ArrayConstRef, T>::value, T>::type variantAs(
+    const VariantData* _data) {
+  return ArrayConstRef(variantAsArray(_data));
+}
+
+template <typename T>
+inline typename enable_if<is_same<ObjectConstRef, T>::value, T>::type variantAs(
+    const VariantData* _data) {
+  return ObjectConstRef(variantAsObject(_data));
+}
+
+template <typename T>
+inline typename enable_if<is_same<VariantConstRef, T>::value, T>::type
+variantAs(const VariantData* _data) {
+  return VariantConstRef(_data);
+}
+
+template <typename T>
+inline typename enable_if<IsWriteableString<T>::value, T>::type variantAs(
+    const VariantData* _data) {
+  const char* cstr = _data != 0 ? _data->asString() : 0;
+  if (cstr)
+    return T(cstr);
+  T s;
+  serializeJson(VariantConstRef(_data), s);
+  return s;
+}
+
+template <>
+inline ArrayRef variantAs<ArrayRef>(VariantData* data, MemoryPool* pool) {
+  return ArrayRef(pool, data != 0 ? data->asArray() : 0);
+}
+
+template <>
+inline ObjectRef variantAs<ObjectRef>(VariantData* data, MemoryPool* pool) {
+  return ObjectRef(pool, data != 0 ? data->asObject() : 0);
+}
+
+template <>
+inline VariantRef variantAs<VariantRef>(VariantData* data, MemoryPool* pool) {
+  return VariantRef(pool, data);
+}
+
+}  // namespace ARDUINOJSON_NAMESPACE