static void Main(string[] args)
{
Console.WriteLine("Generate ANSI table ...");
ANSI ascii = new ANSI();
ascii.WriteToFile();
Console.WriteLine("ANSI table generated.");
Console.WriteLine("Start encoding " + fileToCompress + " ...");
string text = File.ReadAllText(fileToCompress, System.Text.ASCIIEncoding.Default);
LZWEncoder encoder = new LZWEncoder();
byte[] b = encoder.EncodeToByteList(text);
File.WriteAllBytes(encodedFile, b);
Console.WriteLine("File " + fileToCompress + " encoded to " + encodedFile);
Console.WriteLine("Start decoding " + encodedFile);
LZWDecoder decoder = new LZWDecoder();
byte[] bo = File.ReadAllBytes(encodedFile);
string decodedOutput = decoder.DecodeFromCodes(bo);
File.WriteAllText(decodedFile, decodedOutput, System.Text.Encoding.Default);
Console.WriteLine("File " + encodedFile + " decoded to " + decodedFile);
}
private void btnUnpack_Click(object sender, EventArgs e)
{
OpenFileDialog opf = new OpenFileDialog();
opf.Filter = "*.lzw|*.lzw";
if (opf.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
txtPath.Text = opf.FileName;
var buffer = File.ReadAllBytes(opf.FileName);
LZWDecoder decoder = new LZWDecoder();
var text = decoder.DecodeFromCodes(buffer);
File.WriteAllText(opf.FileName.Replace(".lzw", ""), text, System.Text.Encoding.Default);
MessageBox.Show("Decoding complete.");
}
}
private void Decompress(object sender, RoutedEventArgs e)
{
if (!filenameCom.fileIsEmpty())
{
string noteCompressed = @"D:\RealEncAndCom\noteCompressed.txt";
string noteDecompressed = @"D:\RealEncAndCom\noteDecompressed" + fileExtension;
File.Delete(noteDecompressed);
LZWDecoder decoder = new LZWDecoder();
byte[] bo = File.ReadAllBytes(noteCompressed);
string decodedOutput = decoder.DecodeFromCodes(bo);
File.WriteAllText(noteDecompressed, decodedOutput, System.Text.Encoding.Default);
decomLabel1.Content = "Файл был распакован!";
}
else
{
decomLabel1.Content = "Файл не был распокван!";
}
}
public static void Do()
{
Console.WriteLine("Generate ANSI table ...");
var ascii = new Ansi();
ascii.WriteToFile();
Console.WriteLine("ANSI table generated.");
Console.WriteLine("Start encoding " + _fileToCompress + " ...");
var text = File.ReadAllText(_fileToCompress);
var encoder = new LZWEncoder();
var b = encoder.EncodeToByteList(text);
File.WriteAllBytes(_encodedFile, b);
Console.WriteLine("File " + _fileToCompress + " encoded to " + _encodedFile);
Console.WriteLine("Start decoding " + _encodedFile);
var decoder = new LZWDecoder();
var bo = File.ReadAllBytes(_encodedFile);
var decodedOutput = decoder.DecodeFromCodes(bo);
File.WriteAllText(_decodedFile, decodedOutput, Encoding.Default);
Console.WriteLine("File " + _encodedFile + " decoded to " + _decodedFile);
}
static List <HashTableElement> LoadFile(string path, int fileId)
{
using (var br = new BinaryReader(File.OpenRead(path)))
{
if ("ARCH000" != Encoding.ASCII.GetString(br.ReadBytes(7)))
{
Console.WriteLine("Not a TBAR file");
Environment.Exit(1);
}
bool compressed = br.ReadByte() == 1;
int offset = br.ReadInt32();
short amount = br.ReadInt16();
br.BaseStream.Position = offset;
List <HashTableElement> elements = new List <HashTableElement>(amount);
for (var i = 0; i < amount; i++)
{
var element = new HashTableElement();
element.fileId = fileId;
element.elementId = br.ReadInt32();
element.specialHash = br.ReadUInt32();
element.offsetInFile = br.ReadInt32();
element.sizeInFile = br.ReadInt32();
element.checksum = br.ReadInt32();
elements.Add(element);
}
for (var i = 0; i < amount; i++)
{
var element = elements[i];
br.BaseStream.Position = element.offsetInFile;
element.contents = br.ReadBytes(element.sizeInFile);
elements[i] = element;
byte[] cleanData;
if (compressed)
{
uint hur = (uint)(element.elementId);
//if (hur != (uint)402372392)
// continue;
File.WriteAllBytes(Path.Combine("output", hur + "_RAW.bin"), element.contents);
cleanData = new byte[4];
int cleanDataOffset = 0;
LZWDecoder decoder = new LZWDecoder();
bool nosave = false;
string buffertje = "";
for (var j = 0; j < element.sizeInFile;)
{
try
{
int len = BitConverter.ToInt32(element.contents, j);
j += 4;
byte[] blah = new byte[len];
Console.WriteLine("Reading blob {0} - {1}", j, j + len);
Buffer.BlockCopy(element.contents, j, blah, 0, len);
j += len;
var output = decoder.DecodeFromCodes(blah);
buffertje += output;
if (cleanData.Length < (cleanDataOffset + output.Length))
{
Array.Resize <byte>(ref cleanData, cleanDataOffset + output.Length);
}
for (var k = 0; k < output.Length; k++)
{
cleanData[cleanDataOffset++] = (byte)output[k];
}
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
nosave = true;
break;
}
//Console.WriteLine(output);
//File.AppendAllText(filename, output);
//break;
}
//if (nosave)
// continue;
File.WriteAllText(Path.Combine("output", hur + "_text.txt"), buffertje);
}
else
{
cleanData = new byte[element.sizeInFile];
uint derp = (uint)(element.specialHash ^ 0xF9524287 | 1);
for (var j = 0; j < element.sizeInFile; j += 1024)
{
var blobsize = Math.Min(element.sizeInFile - j, 1024);
byte[] blah = new byte[1024];
Buffer.BlockCopy(element.contents, j, blah, 0, blobsize);
derp = Crypto(derp, blah);
Buffer.BlockCopy(blah, 0, cleanData, j, blobsize);
}
}
string ext = ".bin";
if (cleanData[0] == 0x89 && cleanData[1] == 0x50 && cleanData[2] == 0x4E && cleanData[3] == 0x47)
{
ext = ".png";
}
else if (cleanData[0] == 0x4F && cleanData[1] == 0x67 && cleanData[2] == 0x67)
{
ext = ".ogg";
}
else if (cleanData[0] == 0x42 && cleanData[1] == 0x4D && cleanData[2] == 0x46)
{
ext = ".bmf";
}
else if (cleanData[0] == 0x52 && cleanData[1] == 0x49 && cleanData[2] == 0x46 && cleanData[3] == 0x46)
{
ext = ".wav";
}
if (compressed)
{
ext = "_compressed" + ext;
}
var filename = Path.Combine("output", (uint)(element.elementId) + ext);
File.WriteAllBytes(filename, cleanData);
}
return(elements);
}
}
