Function LoadJSonConfig

Source/Common/Config.cpp:26–62

namespace FEX::Config {
namespace JSON {
  static void LoadJSonConfig(const fextl::string& Config, std::function<void(const char* Name, const char* ConfigSring)> Func) {
    fextl::vector<char> Data;
    if (!FEXCore::FileLoading::LoadFile(Data, Config)) {
      return;
    }

    FEX::JSON::JsonAllocator Pool {};
    const json_t* json = FEX::JSON::CreateJSON(Data, Pool);

    if (!json) {
      ERROR_AND_DIE_FMT("Failed to parse JSON from file '{}' - invalid JSON format", Config);
    }

    const json_t* ConfigList = json_getProperty(json, "Config");

    if (!ConfigList) {
      // This is a non-error if the configuration file exists but no Config section
      return;
    }

    for (const json_t* ConfigItem = json_getChild(ConfigList); ConfigItem != nullptr; ConfigItem = json_getSibling(ConfigItem)) {
      const char* ConfigName = json_getName(ConfigItem);
      const char* ConfigString = json_getValue(ConfigItem);

      if (!ConfigName) {
        LogMan::Msg::EFmt("JSON file '{}': Couldn't get config name for an item", Config);
        return;
      }

      if (!ConfigString) {
        LogMan::Msg::EFmt("JSON file '{}': Couldn't get value for config item '{}'", Config, ConfigName);
        return;
      }

      Func(ConfigName, ConfigString);
    }
  }
} // namespace JSON

static constexpr std::pair<std::string_view, FEXCore::Config::ConfigOption> ConfigLookup[] {