bool UncompressFile(string iRoot, BinaryReader reader)
{
Zlib.FileHeader fileHeader = default(Zlib.FileHeader);
string str = reader.ReadString();
fileHeader.FileName = FileIO.StripSlash(iRoot) + str;
fileHeader.DecompressedSize = reader.ReadInt32();
fileHeader.CompressedSize = reader.ReadInt32();
this._sFrm.StatusText2 = str;
if (!Directory.Exists(fileHeader.FileName.Substring(0, fileHeader.FileName.LastIndexOf("\\", StringComparison.Ordinal))))
{
Directory.CreateDirectory(fileHeader.FileName.Substring(0, fileHeader.FileName.LastIndexOf("\\", StringComparison.Ordinal)));
}
if (File.Exists(fileHeader.FileName))
{
File.Delete(fileHeader.FileName);
}
FileStream fileStream;
BinaryWriter binaryWriter;
bool flag;
try
{
fileStream = new FileStream(fileHeader.FileName, FileMode.Create);
binaryWriter = new BinaryWriter(fileStream);
}
catch (Exception ex)
{
MessageBox.Show("An error occurred while opening files for writing for decompression: " + ex.Message, "Buh?");
flag = false;
return(flag);
}
try
{
byte[] iBytes = reader.ReadBytes(fileHeader.CompressedSize);
byte[] buffer = Zlib.UncompressChunk(ref iBytes, fileHeader.DecompressedSize);
if (buffer.Length != fileHeader.DecompressedSize)
{
throw new Exception("Uncompressed data was not the expected size!");
}
binaryWriter.Write(buffer);
binaryWriter.Close();
fileStream.Close();
flag = true;
}
catch (Exception ex2)
{
MessageBox.Show("An error occurred during decompression: " + ex2.Message, "Buh?");
reader.Close();
fileStream.Close();
flag = false;
}
return(flag);
}
static bool CompressFile(string iFileName, string iDest, BinaryWriter writer)
{
int int32 = Convert.ToInt32(new FileInfo(iFileName).Length);
Zlib.FileHeader fileHeader = default(Zlib.FileHeader);
fileHeader.FileName = iDest;
fileHeader.DecompressedSize = int32;
fileHeader.CompressedSize = 0;
FileStream fileStream;
BinaryReader binaryReader;
bool flag;
try
{
fileStream = new FileStream(iFileName, FileMode.Open);
binaryReader = new BinaryReader(fileStream);
}
catch (Exception ex)
{
MessageBox.Show("An error occurred while compressing: " + ex.Message, "Buh?");
flag = false;
return(flag);
}
try
{
byte[] iBytes = binaryReader.ReadBytes(int32);
byte[] buffer = Zlib.CompressChunk(ref iBytes);
fileHeader.CompressedSize = buffer.Length;
if (fileHeader.CompressedSize < 1)
{
throw new Exception("Compressed data was 0 bytes long!");
}
writer.Write(fileHeader.FileName);
writer.Write(fileHeader.DecompressedSize);
writer.Write(fileHeader.CompressedSize);
writer.Write(buffer);
binaryReader.Close();
fileStream.Close();
flag = true;
}
catch (Exception ex2)
{
MessageBox.Show("An error occurred during compression: " + ex2.Message, "Buh?");
binaryReader.Close();
fileStream.Close();
flag = false;
}
return(flag);
}