public static CompressAlgorithmBlocks Init(string inputFilePath, string outputFilePath)
{
var blocks = new CompressAlgorithmBlocks();
try
{
blocks.inputFileStream = File.OpenRead(inputFilePath);
blocks.inputBufferedStream = new BufferedStream(blocks.inputFileStream);
blocks.binaryReader = new BinaryReader(blocks.inputBufferedStream);
} catch (FileNotFoundException e)
{
Console.WriteLine($"Unable to find on the path: {inputFilePath}");
throw new HandledException(e);
}
try
{
blocks.outputFileStream = File.Open(outputFilePath, FileMode.Create);
blocks.outputBufferedStream = new BufferedStream(blocks.outputFileStream);
blocks.binaryWriter = new BinaryWriter(blocks.outputBufferedStream);
} catch (FileNotFoundException e)
{
Console.WriteLine($"Unable to create file on the path: {outputFilePath}");
throw new HandledException(e);
}
return(blocks);
}
static int Main(string[] args)
{
if (args.Length != 3)
{
Console.WriteLine("Invalid Syntax, use the following one 'archiver compress|decompress <inputFile> <outputFile>'");
return(1);
}
bool compress = false;
if (string.Compare(args[0], "compress", true) == 0)
{
compress = true;
}
else if (string.Compare(args[0], "decompress", true) == 0)
{
compress = false;
}
else
{
Console.WriteLine($"Expected 'compress' or 'decompress' command, but found '{args[0]}'");
return(1);
}
try
{
using (var blocks =
compress
? (AlgorithmBlocks)CompressAlgorithmBlocks.Init(args[1], args[2])
: (AlgorithmBlocks)DecompressAlgorithmBlocks.Init(args[1], args[2])
)
{
var algorithm = new ParallelAlgorithm <byte[], byte[]>(blocks.GetBlock, blocks.ProcessBlock, blocks.UseResult);
return(algorithm.Run());
}
} catch (HandledException e)
{
return(1);
} catch (Exception e)
{
Console.WriteLine($"Unhandled exception: {e.Message}");
return(1);
}
}
