public async Task <string> Base64DecompressAsync(string data, Base64CompressionOptions options = null)
{
var _options = GetOptions(options);
var inStream = new MemoryStream();
var bytes = System.Convert.FromBase64String(data);
await inStream.WriteAsync(bytes, 0, bytes.Length);
inStream.Position = 0;
var outStream = new MemoryStream();
var outZStream = new zlib.ZOutputStream(outStream);
try
{
await copyStreamAsync(inStream, outZStream, _options.DecompressBufferSize);
}
finally
{
outZStream.Close();
outStream.Close();
inStream.Close();
}
var x = outStream.ToArray();
return(Encoding.UTF8.GetString(x));
}
public string Base64Compress(string data, Base64CompressionOptions options = null)
{
var _options = GetOptions(options);
var bytes = Encoding.UTF8.GetBytes(data);
var outStream = new MemoryStream();
var inStream = new MemoryStream();
inStream.Write(bytes, 0, bytes.Length);
inStream.Position = 0;
var outZStream = new zlib.ZOutputStream(outStream, zlib.zlibConst.Z_DEFAULT_COMPRESSION);
try
{
copyStream(inStream, outZStream, _options.CompressBufferSize);
}
finally
{
outZStream.Close();
outStream.Close();
inStream.Close();
}
var x = outStream.ToArray();
return(System.Convert.ToBase64String(x));
}
private ZlibBase64CompressionOptions GetOptions(Base64CompressionOptions options)
{
var result = (options == null)
? new ZlibBase64CompressionOptions()
: (options as ZlibBase64CompressionOptions) ?? new ZlibBase64CompressionOptions();
if (result.CompressBufferSize <= 0)
{
result.CompressBufferSize = 10420;
}
if (result.DecompressBufferSize <= 0)
{
result.DecompressBufferSize = 10420;
}
return(result);
}
