void ConfigLoad(Config *config, const char *filename)
{
// Load default values first
ConfigLoadDefault(config);
int configVersion = -1;
FILE *f = fopen(filename, "r");
if (f == NULL)
{
printf("Error loading config '%s'\n", filename);
return;
}
configVersion = ConfigGetVersion(f);
fclose(f);
switch (configVersion)
{
case 0:
ConfigLoadOld(config, filename);
break;
case 1:
case 2:
case 3:
case 4:
ConfigLoadJSON(config, filename);
break;
default:
printf("Unknown config version\n");
break;
}
}
Config ConfigLoad(const char *filename)
{
// Load default values first
Config c = ConfigDefault();
if (filename == NULL)
{
// This is equivalent to loading nothing; just exit
return c;
}
FILE *f = fopen(filename, "r");
if (f == NULL)
{
printf("Error loading config '%s'\n", filename);
return c;
}
const int configVersion = ConfigGetVersion(f);
fclose(f);
switch (configVersion)
{
case 0:
printf("Classic config is no longer supported\n");
break;
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
case 7:
ConfigLoadJSON(&c, filename);
break;
default:
LOG(LM_MAIN, LL_ERROR, "Unknown config version");
break;
}
ConfigSetChanged(&c);
return c;
}
FEATURE(3, "Detect config version")
SCENARIO("Detect JSON config version")
{
Config config1, config2;
int version;
FILE *file;
GIVEN("a config file with some values, and I save the config to file in the JSON format")
ConfigLoadDefault(&config1);
config1.Game.FriendlyFire = 1;
config1.Graphics.Brightness = 5;
ConfigSave(&config1, "tmp");
GIVEN_END
WHEN("I detect the version, and load a second config from that file")
file = fopen("tmp", "r");
version = ConfigGetVersion(file);
fclose(file);
ConfigLoad(&config2, "tmp");
WHEN_END
THEN("the version should be 4, and the two configs should be equal")
SHOULD_INT_EQUAL(version, 4);
SHOULD_MEM_EQUAL(&config1, &config2, sizeof(Config));
THEN_END
}
SCENARIO_END
FEATURE_END
FEATURE(4, "Save config as latest format by default")
SCENARIO("Save as JSON by default")
{