public static void Main (string [] args)
{
if (args.Length == 0 || args.Length > 3) {
Console.WriteLine ("Usage: zipmark FILE [ITERATIONS] [BLOCKSIZE]");
return;
}
string filename = args [0];
FileInfo file = new FileInfo (filename);
if (!file.Exists) {
Console.WriteLine ("Couldn't find file {0}", filename);
return;
}
FileStream fs = file.OpenRead ();
byte [] raw = new byte [file.Length];
int count = fs.Read (raw, 0, (int)file.Length);
fs.Close ();
if (count != file.Length) {
Console.WriteLine ("Couldn't read file {0}", filename);
return;
}
Deflater def = new Deflater (Deflater.BEST_COMPRESSION, false);
Inflater inf = new Inflater (false);
// 1. Count deflated size
int cooked_size = Deflate (def, raw, null);
byte [] cooked = new byte [cooked_size];
// 2. Deflate & Inflate
if (args.Length > 1)
Iterations = Int32.Parse (args [1]);
if (args.Length > 2)
BlockSize = Int32.Parse (args [2]);
for (int i = 0; i < Iterations; ++ i) {
Deflate (def, raw, cooked);
Inflate (inf, cooked, raw);
}
return;
}
static int Deflate (Deflater def, byte [] src, byte [] dest)
{
bool count;
int offset, length, remain;
if (dest == null) {
dest = new byte [BlockSize];
count = true;
} else
count = false;
def.Reset ();
def.SetInput (src);
offset = 0;
while (!def.IsFinished) {
if (def.IsNeedingInput)
def.Finish ();
remain = Math.Min (dest.Length - offset, BlockSize);
if (remain == 0)
break;
length = def.Deflate (dest, offset, remain);
if (!count)
offset += length;
}
return def.TotalOut;
}