private Boolean CheckInitialData()
{
if (ReadChars.Count == 0)
{
return(UserDialog.ReportAboutEmptyInitialData());
}
return(true);
}
private static void CheckIfDestinationFileNeedsToBeReplace(String path)
{
if (UserDialog.AskUserAboutFileReplacement(path))
{
CheckAccessRights(FileIOPermissionAccess.Write, path);
}
else
{
throw new ArgumentException("Cannot work without destination file.");
}
}
private String TakePathFromUser(EProgramMode programMode)
{
PathParser pathParser = new PathParser(programMode);
String res;
do
{
res = pathParser.Parse(UserDialog.TakePathFromUser());
} while (res == null && UserDialog.AskUserAboutTryingAgain());
return(res);
}
private void UseDecodeMode()
{
String path = TakePathFromUser(EProgramMode.Decoder);
if (!String.IsNullOrEmpty(path))
{
Decoder decoder = Decoder.CreateDecoder(path, out EEncodingMode encodingMode);
ReadChars = decoder.DecodeDataFromFile();
UserDialog.ReportAboutSuccessReading(path, encodingMode);
UserDialog.PrintResult(ReadChars);
}
}
private Boolean SelectProgramMode()
{
switch (UserDialog.TakeProgramModeFromUser())
{
case EProgramMode.Decoder:
UseDecodeMode();
return(true);
case EProgramMode.Encoder:
UseEncodeMode();
return(true);
default: return(false);
}
}
private void UseEncodeMode()
{
if (!CheckInitialData())
{
return;
}
String path = TakePathFromUser(EProgramMode.Encoder);
if (!String.IsNullOrEmpty(path))
{
EEncodingMode encodingMode = UserDialog.TakeEncodingModeFromUser();
Encoder encoder = Encoder.CreateEncoder(path, encodingMode);
encoder.WriteDataToFile(ReadChars);
UserDialog.ReportAboutSuccessWriting(path, encodingMode);
}
}