private void ButtonOpen_Click(object sender, RoutedEventArgs e)
{
String path = TextBoxPath.Text;
try
{
using (FileStream fs = File.Open(path, FileMode.Open))
{
byte[] data = new byte[102400];
int len = fs.Read(data, 0, data.Length);
hoffmanEncode = new HoffmanEncode(data, len);
TextOpen.Text = "File size: " + len.ToString() + " bytes \n";
TextOpen.Text += hoffmanEncode.Data;
TextEncoded.Text = "Count of each letter:\n";
TextEncoded.Text += hoffmanEncode.getLetterCounterString();
TextEncoded.Text += "\nHuffmans code of each symbol:\n";
TextEncoded.Text += hoffmanEncode.getHuffmansCodeString();
TextEncoded.Text += "\nEncoded string: " + hoffmanEncode.getEncodedString();
//TextEncoded.Text += "\nEncoded size = " + hoffmanEncode.EncodedSize.ToString() + " bytes";
ButtonSave.IsEnabled = true;
}
}
catch (FileNotFoundException)
{
TextBoxPath.Text = "File not found!";
}
catch (ArgumentException)
{
TextBoxPath.Text = "Path is empty!";
}
catch (DirectoryNotFoundException)
{
TextBoxPath.Text = "Directory not found!";
}
//using (FileStream fs = File.Open( @"D:\new.bin", FileMode.Open) )
//{
// byte[] data = new byte[1024];
// int len = fs.Read( data, 0, data.Length );
// hoffmanEncode.readBinary(data, len);
//}
}
private void ButtonDecode_Click(object sender, RoutedEventArgs e)
{
int j = 0;
String path = TextBoxPath.Text;
try
{
using (FileStream fs = File.Open(path + ".dic", FileMode.Open))
{
byte[] data = new byte[102400];
int len = fs.Read(data, 0, data.Length);
char[] dataChar = new char[len];
char ch;
String val = "";
Dictionary <char, int> dict = new Dictionary <char, int>();
for (int i = 0; i < len; i++)
{
ch = Convert.ToChar(data[i]);
i += 2;// =
for (j = i; j < len; i++, j++)
{
if (data[j] != 32)
{
val += Convert.ToChar(data[j]);
}
else
{
dict.Add(ch, Int32.Parse(val));
val = "";
break;
}
}
}
hoffmanEncode = new HoffmanEncode(dict);
}
}
catch (FileNotFoundException)
{
TextBoxPath.Text = "File not found!";
}
catch (ArgumentException)
{
TextBoxPath.Text = "Path is empty!";
}
catch (DirectoryNotFoundException)
{
TextBoxPath.Text = "Directory not found!";
}
//------------------------------------open binary---------------------------------
try
{
using (FileStream fs = File.Open(path, FileMode.Open))
{
byte[] data = new byte[1024];
int len = fs.Read(data, 0, data.Length);
hoffmanEncode.decode(data, len);
TextOpen.Text = hoffmanEncode.Data;
}
}
catch (FileNotFoundException)
{
TextBoxPath.Text = "File not found!";
}
catch (ArgumentException)
{
TextBoxPath.Text = "Path is empty!";
}
catch (DirectoryNotFoundException)
{
TextBoxPath.Text = "Directory not found!";
}
}//private void ButtonDecode_Click
