static void Main(string[] args)
{
Console.CancelKeyPress += (sender, ceArgs) =>
{
StatusManager.ProcessIsCanceled = true;
ConsoleLogger.WriteDiagnosticInfo(PROCESS_CANCELLED);
Environment.Exit(FAILURE_EXIT_CODE);
};
try
{
Validation.CheckInputParameters(args);
var inputFile = new FileInfo(args[1]);
var threadManager = new ThreadManager();
FileReader fileReader = null;
FileWriter fileWriter = null;
Archiever archiever = null;
OperationType operationType = OperationType.Compress;
GZipBlockArchiver compressor = new GZipBlockArchiver(args[1], args[2], threadManager, inputFile.Length);
if (args[0] == Dictionary.COMPRESS_COMMAND)
{
fileReader = new UncompressedFileReader(args[1], compressor.CompressedDataManagers);
fileWriter = new CompressedFileWriter(args[2], compressor.DictionaryWritingManager);
archiever = new Compressor(compressor.CompressedDataManagers, compressor.DictionaryWritingManager);
}
else
{
fileReader = new CompressedFileReader(args[1], compressor.CompressedDataManagers);
fileWriter = new DecompressedFileWriter(args[2], compressor.DictionaryWritingManager);
archiever = new Decompressor(compressor.CompressedDataManagers, compressor.DictionaryWritingManager);
operationType = OperationType.Decompress;
}
var processResult = compressor.Start(fileReader, archiever, fileWriter, operationType);
Console.CursorTop += 1;
if (processResult && !StatusManager.ProcessIsCanceled)
{
ConsoleLogger.WriteSuccessInfo($"{args[2]} : {SUCCESS_CREATED}");
}
else
{
ConsoleLogger.WriteError($"{args[2]}: {FAILURE_CREATED}");
}
}
catch (Exception ex)
{
ConsoleLogger.WriteError(FAILURE_CREATED);
Console.WriteLine(END_PROCESS);
Console.ReadKey();
}
}
public void Compress(string path)
{
writer = new CompressedFileWriter(path + ".lz");
bitBuffer = new List <bool>();
dictionary = new StringBuilder();
phrase = string.Empty;
using (var streamReader = new StreamReader(path))
{
var chars = new char[CHAR_BLOCK_LENGTH];
while (!streamReader.EndOfStream)
{
var readChars = streamReader.ReadBlock(chars, 0, CHAR_BLOCK_LENGTH);
var dataToBeEncoded = new StringBuilder(new string(chars.Take(readChars).ToArray()));
compressBlock(dataToBeEncoded);
}
writer.WriteBlock(bitBuffer);
}
writer.Close();
}
