Renamed JsonValue to JsonVariant

src/JsonVariant.cpp

@@ -0,0 +1,107 @@
+// Copyright Benoit Blanchon 2014
+// MIT License
+//
+// Arduino JSON library
+// https://github.com/bblanchon/ArduinoJson
+
+#include "../include/ArduinoJson/JsonVariant.hpp"
+#include "../include/ArduinoJson/JsonArray.hpp"
+#include "../include/ArduinoJson/JsonObject.hpp"
+#include "../include/ArduinoJson/Internals/PrettyJsonWriter.hpp"
+
+using namespace ArduinoJson;
+using namespace ArduinoJson::Internals;
+
+JsonVariant JsonVariant::_invalid(JSON_INVALID);
+
+JsonVariant::operator JsonArray &() const {
+  return _type == JSON_ARRAY ? *_content.asArray : JsonArray::invalid();
+}
+
+JsonVariant::operator JsonObject &() const {
+  return _type == JSON_OBJECT ? *_content.asObject : JsonObject::invalid();
+}
+
+JsonVariant::operator bool() const {
+  return _type == JSON_BOOLEAN ? _content.asBoolean : false;
+}
+
+JsonVariant::operator const char *() const {
+  return _type == JSON_STRING ? _content.asString : NULL;
+}
+
+JsonVariant::operator double() const {
+  return _type >= JSON_DOUBLE_0_DECIMALS ? _content.asDouble : 0;
+}
+
+JsonVariant::operator long() const {
+  return _type == JSON_LONG ? _content.asLong : 0;
+}
+
+void JsonVariant::set(bool value) {
+  if (_type == JSON_INVALID) return;
+  _type = Internals::JSON_BOOLEAN;
+  _content.asBoolean = value;
+}
+
+void JsonVariant::set(const char *value) {
+  if (_type == JSON_INVALID) return;
+  _type = JSON_STRING;
+  _content.asString = value;
+}
+
+void JsonVariant::set(double value, uint8_t decimals) {
+  if (_type == JSON_INVALID) return;
+  _type = static_cast<JsonVariantType>(JSON_DOUBLE_0_DECIMALS + decimals);
+  _content.asDouble = value;
+}
+
+void JsonVariant::set(long value) {
+  if (_type == JSON_INVALID) return;
+  _type = JSON_LONG;
+  _content.asLong = value;
+}
+
+void JsonVariant::set(JsonArray &array) {
+  if (_type == JSON_INVALID) return;
+  _type = JSON_ARRAY;
+  _content.asArray = &array;
+}
+
+void JsonVariant::set(JsonObject &object) {
+  if (_type == JSON_INVALID) return;
+  _type = JSON_OBJECT;
+  _content.asObject = &object;
+}
+
+template <typename T>
+void JsonVariant::writeTo(T &writer) const {
+  switch (_type) {
+    case JSON_ARRAY:
+      _content.asArray->writeTo(writer);
+      break;
+
+    case JSON_OBJECT:
+      _content.asObject->writeTo(writer);
+      break;
+
+    case JSON_STRING:
+      writer.writeString(_content.asString);
+      break;
+
+    case JSON_LONG:
+      writer.writeInteger(_content.asLong);
+      break;
+
+    case JSON_BOOLEAN:
+      writer.writeBoolean(_content.asBoolean);
+      break;
+
+    default:  // >= JSON_DOUBLE_0_DECIMALS
+      writer.writeDouble(_content.asDouble, _type - JSON_DOUBLE_0_DECIMALS);
+      break;
+  }
+}
+
+template void JsonVariant::writeTo(JsonWriter &) const;
+template void JsonVariant::writeTo(PrettyJsonWriter &) const;