public virtual void Finish()
{
do
{
z.next_out = buf;
z.next_out_index = 0;
z.avail_out = buf.Length;
int err = compress
? z.deflate(JZlib.Z_FINISH)
: z.inflate(JZlib.Z_FINISH);
if (err != JZlib.Z_STREAM_END && err != JZlib.Z_OK)
{
// TODO
// throw new ZStreamException((compress?"de":"in")+"flating: "+z.msg);
throw new IOException((compress ? "de" : "in") + "flating: " + z.msg);
}
int count = buf.Length - z.avail_out;
if (count > 0)
{
output.Write(buf, 0, count);
}
}while (z.avail_in > 0 || z.avail_out == 0);
Flush();
}
public override int Read(byte[] b, int off, int len)
{
if (len == 0)
{
return(0);
}
z.next_out = b;
z.next_out_index = off;
z.avail_out = len;
int err;
do
{
if (z.avail_in == 0 && !nomoreinput)
{
// if buffer is empty and more input is available, refill it
z.next_in_index = 0;
z.avail_in = input.Read(buf, 0, buf.Length); //(bufsize<z.avail_out ? bufsize : z.avail_out));
if (z.avail_in <= 0)
{
z.avail_in = 0;
nomoreinput = true;
}
}
err = compress
? z.deflate(flushLevel)
: z.inflate(flushLevel);
if (nomoreinput && err == JZlib.Z_BUF_ERROR)
{
return(0);
}
if (err != JZlib.Z_OK && err != JZlib.Z_STREAM_END)
{
// TODO
// throw new ZStreamException((compress ? "de" : "in") + "flating: " + z.msg);
throw new IOException((compress ? "de" : "in") + "flating: " + z.msg);
}
if ((nomoreinput || err == JZlib.Z_STREAM_END) && z.avail_out == len)
{
return(0);
}
}while(z.avail_out == len && err == JZlib.Z_OK);
//Console.Error.WriteLine("("+(len-z.avail_out)+")");
return(len - z.avail_out);
}
public override int Read(byte[] b, int off, int len)
{
if (len == 0)
{
return(0);
}
int err;
z.next_out = b;
z.next_out_index = off;
z.avail_out = len;
do
{
if ((z.avail_in == 0) && (!nomoreinput)) // if buffer is empty and more input is avaiable, refill it
{
z.next_in_index = 0;
z.avail_in = inp.Read(buf, 0, BUFSIZE);//(BUFSIZE<z.avail_out ? BUFSIZE : z.avail_out));
if (z.avail_in <= 0)
{
z.avail_in = 0;
nomoreinput = true;
}
}
err = z.inflate(flushLevel);
if (nomoreinput && (err == JZlib.Z_BUF_ERROR))
{
return(0);
}
if (err != JZlib.Z_OK && err != JZlib.Z_STREAM_END)
{
throw new IOException("inflating: " + z.msg);
}
if ((nomoreinput || err == JZlib.Z_STREAM_END) && (z.avail_out == len))
{
return(0);
}
}while(z.avail_out == len && err == JZlib.Z_OK);
//System.err.print("("+(len-z.avail_out)+")");
return(len - z.avail_out);
}