AcManager.Tools.ArgumentsHandler.ProcessUriRequestObsolete C# (CSharp) Method

        private async Task<ArgumentHandleResult> ProcessUriRequestObsolete(string request) {
            string key, param;
            NameValueCollection query;

            {
                var splitted = request.Split(new[] { '/' }, 2);
                if (splitted.Length != 2) return ArgumentHandleResult.FailedShow;

                key = splitted[0];
                param = splitted[1];

                var index = param.IndexOf('?');
                if (index != -1) {
                    query = HttpUtility.ParseQueryString(param.SubstringExt(index + 1));
                    param = param.Substring(0, index);
                } else {
                    query = null;
                }
            }

            switch (key) {
                case "quickdrive":
                    var preset = Convert.FromBase64String(param).ToUtf8String();
                    if (!QuickDrive.RunSerializedPreset(preset)) {
                        NonfatalError.Notify(AppStrings.Common_CannotStartRace, AppStrings.Arguments_CannotStartRace_Commentary);
                        return ArgumentHandleResult.Failed;
                    }
                    break;

                case "race":
                    var raceIni = Convert.FromBase64String(param).ToUtf8String();
                    await GameWrapper.StartAsync(new Game.StartProperties {
                        PreparedConfig = IniFile.Parse(raceIni)
                    });
                    break;

                case "open":
                case "install":
                    var address = Convert.FromBase64String(param).ToUtf8String();
                    var path = await LoadRemoveFile(address, query?.Get(@"name"));
                    if (string.IsNullOrWhiteSpace(path)) return ArgumentHandleResult.FailedShow;

                    try {
                        if (!FileUtils.Exists(path)) return ArgumentHandleResult.FailedShow;
                    } catch (Exception) {
                        return ArgumentHandleResult.FailedShow;
                    }

                    return await ProcessInputFile(path);
            }

            return ArgumentHandleResult.Successful;
        }