private static string CreateFileExtension(IOutputableOption options)
{
string fileExtension = Path.HasExtension(options.OutputFilePath)
? $".{Path.GetExtension(options.OutputFilePath)}"
: string.Empty;
return(fileExtension);
}
private static void GenerateOutputFileNameIfNotSet(IOutputableOption options)
{
if (string.IsNullOrWhiteSpace(options.OutputFilePath))
{
string fileExtension = CreateFileExtension(options);
string filePrefixName = CreateFilePrefixName(options, ref fileExtension);
DateTime now = DateTime.Now;
options.OutputFilePath =
$"{filePrefixName}_" +
$"{now.Year}-{now.Month}-{now.Day}_" +
$"{now.Hour}{now.Minute}{now.Second}{now.Millisecond}" +
$"{fileExtension}";
}
}
private static string CreateFilePrefixName(IOutputableOption options, ref string fileExtension)
{
string filePrefixName;
switch (options)
{
case EncryptVerbOptions opts:
filePrefixName = "EncryptedData";
break;
case DecryptVerbOptions opts:
filePrefixName = "DecryptedData";
break;
case GenerateStrongKeyVerbOptions opts:
filePrefixName = "SK";
fileExtension = ".key";
break;
default:
throw new ArgumentOutOfRangeException(nameof(options));
}
return(filePrefixName);
}
