private void DecodeButton_Click(object sender, RoutedEventArgs e)
{
string EncodedText = TransformedAvalon.Text;
if (EncodedText.Length == 0)
{
MessageBox.Show("Text in right field is empty!", "Warning!", MessageBoxButton.OK);
return;
}
int codingIndex = _codes[TypeOfCoding];
string decoded = "";
switch (codingIndex)
{
case 0:
Coding.Haffman.Decoder decoderHaffmen = new Coding.Haffman.Decoder();
decoded = decoderHaffmen.Decode(EncodedText, (Dictionary <string, char>)_dictionary);
break;
case 1:
Coding.ShannonFano.Decoder decoderFanoShannon = new Coding.ShannonFano.Decoder();
decoded = decoderFanoShannon.Decode(EncodedText, (Dictionary <string, char>)_dictionary);
break;
case 2:
Coding.ArithmeticCoding.Decoder decoderArythmetic = new Coding.ArithmeticCoding.Decoder();
decoded = decoderArythmetic.Decode((Dictionary <char, long>)_dictionary,
ParseBigInteger(EncodedText), ParsePower(EncodedText));
break;
case 3:
Coding.RleAndBurrowsWheeler.Decoder decoderBWT = new Coding.RleAndBurrowsWheeler.Decoder();
decoded = decoderBWT.Decode(ParseTransformResult(EncodedText));
break;
case 4:
Coding.Lz77.Decoder decoderLZ = new Coding.Lz77.Decoder();
decoded = decoderLZ.Decode(ParseNodes(EncodedText));
break;
}
InitialAvalon.Clear();
InitialAvalon.Text = decoded;
}
private void FileButton_Click(object sender, RoutedEventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog
{
Filter = "Text files (*.txt)|*.txt|All files (*.*)|*.*",
Multiselect = false,
Title = "Choose the file"
};
if (ofd.ShowDialog() == true)
{
string filePath = ofd.FileName;
FilePathLabel.Content = ofd.FileName;
using (StreamReader sr = new StreamReader(filePath))
{
InitialText = sr.ReadToEnd();
}
InitialAvalon.Clear();
InitialAvalon.Text = InitialText;
}
}