hyperion.ng/test/TestConfigFile.cpp

// STL includes
#include <cstdlib>

// JsonSchema includes
#include <utils/jsonschema/JsonFactory.h>

// hyperion includes
#include <hyperion/LedString.h>

int main()
{
	std::string homeDir = getenv("RASPILIGHT_HOME");

	const std::string schemaFile = homeDir + "/hyperion.schema.json";
	const std::string configFile = homeDir + "/hyperion.config.json";

	Json::Value config;
	if (JsonFactory::load(schemaFile, configFile, config) < 0)
	{
		std::cerr << "UNABLE TO LOAD CONFIGURATION" << std::endl;
		return -1;
	}

	const Json::Value& deviceConfig = config["device"];
	if (deviceConfig.empty())
	{
		std::cout << "Missing DEVICE configuration 'device'" << std::endl;
	}
	const Json::Value& ledConfig    = config["leds"];
	if (ledConfig.empty())
	{
		std::cout << "Missing LEDS configuration 'leds'" << std::endl;
	}

	const Json::Value& colorConfig  = config["color"];
	if (colorConfig.empty())
	{
		std::cout << "Missing COLORS configuration 'colors'" << std::endl;
	}
	else
	{
		std::cout << "COLOR CONFIGURATION: " << colorConfig.toStyledString() << std::endl;

		const Json::Value& redConfig = colorConfig["red"];
		double redGamma = redConfig["gamma"].asDouble();
		std::cout << "RED GAMMA = " << redGamma << std::endl;
		std::cout << "RED GAMMA = " << colorConfig["red.gamma"].asDouble() << std::endl;
	}

	return 0;
}