Function FromJsonValue

Engine/source/EtCore/Reflection/serialization.cpp:746–838

--------------------------------- FromJsonValue Extract a JSON Value into a variant using its value type

// Extract a JSON Value into a variant using its value type
//
void FromJsonValue(JSON::Value const* jVal, rttr::type &valueType, rttr::variant &var)
{
	rttr::type localType = valueType;
	if (!ExtractPointerValueType(localType, jVal))
	{
		return;
	}

	switch (jVal->GetType())
	{
		case JSON::JSON_Array:
		{
			if (localType.is_sequential_container())
			{
				auto view = var.create_sequential_view();

				if (!ArrayFromJsonRecursive(view, jVal))
				{
					LOG("FromJsonValue > There was an issue deserializing the sequential view, typeName: '"
						+ localType.get_name().to_string() + std::string("'!"), LogLevel::Warning);
				}
			}
			else if (localType.is_associative_container())
			{
				auto associativeView = var.create_associative_view();

				if (!AssociativeViewFromJsonRecursive(associativeView, jVal))
				{
					LOG("FromJsonValue > There was an issue deserializing the associate view, typeName: '"
						+ localType.get_name().to_string() + std::string("'!"), LogLevel::Warning);
				}
			}
			else
			{
				LOG("FromJsonValue > Found a JSON value of type array, but the property is not a sequential or associate container, typeName: '"
					+ localType.get_name().to_string() + std::string("'!"), LogLevel::Warning);
			}

			break;
		}

		case JSON::JSON_Object:
		{
			// for pointers we will have to create the type
			if (localType != valueType)
			{
				// find the right constructor for our type
				rttr::constructor ctor = localType.get_constructor();

				//use it
				if (ctor.is_valid())
				{
					var = ctor.invoke();
				}
				else
				{
					LOG(FS("FromJsonValue > Failed to get a valid constructor from property, typeName: '%s'!", localType.get_name().data()), 
						LogLevel::Warning);