public override void ReadTasks()
{
try
{
long remainingBytes = _fileLength;
int readCycle = 0;
using (BinaryReader bReader = new BinaryReader(File.Open(_inputFile, FileMode.Open, FileAccess.Read, FileShare.Read)))
{
while (remainingBytes > 0)
{
List <byte> block = new List <byte>(Helper.blockSize);
if (readCycle == 0)
{
gzipHeader = bReader.ReadBytes(gzipHeader.Length);
remainingBytes -= gzipHeader.Length;
}
block.AddRange(gzipHeader);
int foundCount = 0;
while (remainingBytes > 0)
{
var currentByte = bReader.ReadByte();
block.Add(currentByte);
remainingBytes--;
if (remainingBytes <= 0)
{
_blocks_toDecompress_array.Add(block.ToArray());
readCycle++;
break;
}
if (currentByte == gzipHeader[foundCount])
{
foundCount++;
if (foundCount != gzipHeader.Length)
{
continue;
}
block.RemoveRange(block.Count - gzipHeader.Length, gzipHeader.Length);
_blocks_toDecompress_array.Add(block.ToArray());
readCycle++;
break;
}
foundCount = 0;
}
}
}
_blocks_processed_array = new byte[readCycle][];
_offsets_calc = new OffsetsCalculator(readCycle);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.WriteLine("File split into blocks error");
}
}
public Compression(string inputFile, string outputFile)
{
_inputFile = inputFile;
_outputFile = outputFile;
_iterations_calc = new IterationsCalculator(new FileInfo(_inputFile).Length, Helper.blockSize);
_iterations = _iterations_calc.IterationCount();
_blocks_toCompress_array = new byte[_iterations][];
_blocks_processed_array = new byte[_iterations][];
_offsets_calc = new OffsetsCalculator(_iterations);
_fileLength = new FileInfo(inputFile).Length;
}