Method LoadFromFile

TranslucentTB/managers/configmanager.cpp:124–166

}

bool ConfigManager::LoadFromFile(FILE *f)
{
	static constexpr std::wstring_view DESERIALIZE_FAILED = L"Failed to deserialize JSON document";

	char buffer[1024];
	rj::FileReadStream filestream(f, buffer, std::size(buffer));

	rj::AutoUTFInputStream<uint32_t, rj::FileReadStream> in(filestream);

	rj::GenericDocument<rj::UTF16LE<>> doc;
	if (const rj::ParseResult result = doc.ParseStream<rj::kParseCommentsFlag | rj::kParseTrailingCommasFlag, rj::AutoUTF<uint32_t>>(in))
	{
		// remove the schema key to avoid a false unknown key warning
		doc.RemoveMember(rjh::StringViewToValue(SCHEMA_KEY));

		try
		{
			// load the defaults before deserializing to not reuse previous settings
			// in case some keys are missing from the file
			m_Config = { };
			m_Config.Deserialize(doc, [](std::wstring_view unknownKey)
			{
				if (Error::ShouldLog<spdlog::level::info>())
				{
					MessagePrint(spdlog::level::info, std::format(L"Unknown key found in JSON: {}", unknownKey));
				}
			});

			// everything went fine, we can return!
			return true;
		}
		HelperDeserializationErrorCatch(spdlog::level::err, DESERIALIZE_FAILED)
		StdSystemErrorCatch(spdlog::level::err, DESERIALIZE_FAILED);
	}
	else if (result.Code() != rj::kParseErrorDocumentEmpty)
	{
		ParseErrorCodeHandle(result.Code(), spdlog::level::err, DESERIALIZE_FAILED);
	}

	// parsing failed, use defaults
	m_Config = { };
	return false;
}

bool ConfigManager::Load(bool firstLoad)
{