| public Write ( byte buffer, int offset, int count ) : void | ||
| buffer | byte | The buffer holding data to write to the stream. |
| offset | int | the offset within that data array to find the first byte to write. |
| count | int | the number of bytes to write. |
| return | void | |
public override void Write(byte[] buffer, int offset, int count)
{
if (_disposed) throw new ObjectDisposedException("GZipStream");
if (_baseStream._streamMode == Ionic.Zlib.ZlibBaseStream.StreamMode.Undefined)
{
//Console.WriteLine("GZipStream: First write");
if (_baseStream._wantCompress)
{
// first write in compression, therefore, emit the GZIP header
_headerByteCount = EmitHeader();
}
else
{
throw new InvalidOperationException();
}
}
_baseStream.Write(buffer, offset, count);
}
#endregion /// <summary>
/// Compresses the file at the given path. Returns the path to the
/// compressed file.
/// </summary>
/// <param name="path">The path to compress.</param>
/// <returns>The path of the compressed file.</returns>
public string Compress(string path)
{
string outputPath = String.Concat(path, ".gz");
if (File.Exists(outputPath))
{
File.Delete(outputPath);
}
using (FileStream fs = File.OpenRead(path))
{
using (FileStream output = File.Create(outputPath))
{
using (GZipStream gzip = new GZipStream(output, CompressionMode.Compress, CompressionLevel.BestCompression))
{
byte[] buffer = new byte[4096];
int count = 0;
while (0 < (count = fs.Read(buffer, 0, buffer.Length)))
{
gzip.Write(buffer, 0, count);
}
}
}
}
return outputPath;
}
