static void TestRLE()
{
ArrayData input = new ArrayData();
ArrayData encodeOutput = new ArrayData();
ArrayData decodeOutput = new ArrayData();
input.WriteByte(0);
for (int n = 0; n < 4; ++n)
{
input.WriteByte(1);
}
input.WriteByte(2);
input.WriteByte(3);
for (int n = 0; n < 4; ++n)
{
input.WriteByte(5);
}
input.WriteByte(6);
input.Print("input");
ICodec simple = new RLESimpleCodec();
Console.WriteLine("SimpleRLE");
input.Rewind();
simple.Encode(input, encodeOutput);
encodeOutput.Print("encodeOutput");
encodeOutput.Rewind();
simple.Decode(encodeOutput, decodeOutput);
decodeOutput.Print("decodeOutput");
Console.WriteLine("");
input.Rewind();
encodeOutput.Clear();
decodeOutput.Clear();
ICodec complex = new RLEComplexCodec();
Console.WriteLine("ComplexRLE");
complex.Encode(input, encodeOutput);
encodeOutput.Print("encodeOutput");
encodeOutput.Rewind();
complex.Decode(encodeOutput, decodeOutput);
decodeOutput.Print("decodeOutput");
Console.WriteLine("");
}
static void Main(string[] args)
{
Console.WriteLine("RLE Encoder/Decoder");
if (args.Length < 3)
{
Console.WriteLine("Not enough arguments");
Help();
return;
}
string action = args[0];
string source = args[1];
string destination = args[2];
string type = args.Length > 3 ? args[3] : "simple";
Console.WriteLine($"\taction: {action}");
Console.WriteLine($"\taction: {source}");
Console.WriteLine($"\taction: {destination}");
Console.WriteLine($"\taction: {type}");
IData input = null;
if (File.Exists(source))
{
input = new FileStreamData(new FileStream(source, FileMode.Open, FileAccess.Read));
}
else
{
Console.WriteLine($"source {source} not exists");
Help();
return;
}
IData output = null;
if (!File.Exists(destination))
{
output = new FileStreamData(new FileStream(destination, FileMode.Create, FileAccess.Write));
}
else
{
Console.WriteLine($"destination {destination} exists");
Help();
return;
}
ICodec codec = null;
switch (type)
{
case "simple":
codec = new RLESimpleCodec();
break;
case "complex":
codec = new RLEComplexCodec();
break;
default:
Console.WriteLine($"type can't be {type}");
Help();
return;
}
switch (action)
{
case "encode":
codec.Encode(input, output);
break;
case "decode":
codec.Decode(input, output);
break;
default:
Console.WriteLine($"action can't be {action}");
Help();
return;
}
Console.WriteLine("Finished");
output = null;
input = null;
GC.Collect();
}
