public static int Execute(List <string> args)
{
String Usage = "usage: tlzc [-c/-d] [--type number] infile outfile";
bool ForceDecompress = false;
bool ForceCompress = false;
String Filename = null;
String FilenameOut = null;
int compressionNumFastBytes = 64;
int compressionType = 4;
if (args.Count < 1)
{
Console.WriteLine(Usage);
return(-1);
}
int namecounter = 0;
for (int i = 0; i < args.Count; ++i)
{
string arg = args[i];
if (arg.StartsWith("-"))
{
switch (arg)
{
case "-c": ForceCompress = true; break;
case "-d": ForceDecompress = true; break;
case "--type": compressionType = Int32.Parse(args[++i]); break;
case "--fastbytes": compressionNumFastBytes = Int32.Parse(args[++i]); break;
}
}
else
{
++namecounter;
switch (namecounter)
{
case 1: Filename = arg; break;
case 2: FilenameOut = arg; break;
}
}
}
if (Filename == null)
{
Console.WriteLine(Usage);
return(-1);
}
byte[] input = File.ReadAllBytes(Filename);
byte[] output;
if
(
(ForceDecompress || (input[0] == 'T' && input[1] == 'L' && input[2] == 'Z' && input[3] == 'C')) &&
!ForceCompress
)
{
try {
Console.WriteLine("decompressing {0}", Filename);
output = TLZC.Decompress(input);
if (FilenameOut == null)
{
FilenameOut = Filename + ".dec";
}
File.WriteAllBytes(FilenameOut, output);
} catch (Exception ex) {
Console.WriteLine("Decompression failed: " + ex.ToString());
return(-1);
}
}
else
{
try {
Console.WriteLine("compressing {0}", Filename);
output = TLZC.Compress(input, (byte)compressionType, compressionNumFastBytes);
if (FilenameOut == null)
{
FilenameOut = Filename + ".tlzc";
}
File.WriteAllBytes(FilenameOut, output);
} catch (Exception ex) {
Console.WriteLine("Compression failed: " + ex.ToString());
return(-1);
}
}
return(0);
}
public DuplicatableStream Decompress(DuplicatableStream input)
{
byte[] data = new byte[input.Length];
input.Read(data, 0, data.Length);
return(new DuplicatableByteArrayStream(TLZC.Decompress(data)));
}