Method fromJSON

src/config_utils.cpp:2476–2499

Missing properties are ignored and initialized with default values Type mismatches, buffer overruns or illegal enum values cause an error

// Missing properties are ignored and initialized with default values
// Type mismatches, buffer overruns or illegal enum values cause an error
bool ConfigUtils::fromJSON(Config& config, const char* data, size_t dataLen)
{
    DynamicJsonDocument doc(1024 * 10);
    if (deserializeJson(doc, data, dataLen) != DeserializationError::Ok || !doc.is<JsonObject>())
    {
        return false;
    }

    // Store config struct on the heap to avoid stack overflow
    if (!fromJSONConfig(doc.as<JsonObjectConst>(), config))
    {
        return false;
    }

    initUnsetPropertiesWithDefaults(config);

    // we need to run migrations here too, in case the json document changed pins or things derived from pins
    gpioMappingsMigrationCore(config);
    migrateTurboPinToGpio(config);
    migrateAuthenticationMethods(config);
    migrateMacroPinsToGpio(config);

    return true;
}