private static ErrorCode Deflate(ZLibStreamHandle stream, FlushCode flushCode)
{
ErrorCode errorCode = stream.Deflate(flushCode);
if (errorCode is ErrorCode.Ok or ErrorCode.StreamEnd or ErrorCode.BufError)
{
return(errorCode);
}
string message = errorCode == ErrorCode.StreamError
? SR.ZLibErrorInconsistentStream
: string.Format(SR.ZLibErrorUnexpected, (int)errorCode);
throw new WebSocketException(message);
}
public static ErrorCode CreateZLibStreamForInflate(out ZLibStreamHandle zLibStreamHandle, int windowBits)
{
zLibStreamHandle = new ZLibStreamHandle();
return(zLibStreamHandle.InflateInit2_(windowBits));
}
public static ErrorCode CreateZLibStreamForDeflate(out ZLibStreamHandle zLibStreamHandle,
CompressionLevel level, int windowBits, int memLevel, CompressionStrategy strategy)
{
zLibStreamHandle = new ZLibStreamHandle();
return(zLibStreamHandle.DeflateInit2_(level, windowBits, memLevel, strategy));
}
public static Int32 ZLibCompileFlags()
{
return(ZLibStreamHandle.ZLibCompileFlags());
}
public static ErrorCode CreateZLibStreamForInflate(out ZLibStreamHandle zLibStreamHandle)
{
return(CreateZLibStreamForInflate(out zLibStreamHandle, Deflate_DefaultWindowBits));
}
public static ErrorCode CreateZLibStreamForDeflate(out ZLibStreamHandle zLibStreamHandle)
{
return(CreateZLibStreamForDeflate(out zLibStreamHandle,
CompressionLevel.DefaultCompression, Deflate_DefaultWindowBits,
Deflate_DefaultMemLevel, CompressionStrategy.DefaultStrategy));
}
public static ErrorCode CreateZLibStreamForInflate(out ZLibStreamHandle zLibStreamHandle, int windowBits)
{
zLibStreamHandle = new ZLibStreamHandle();
return zLibStreamHandle.InflateInit2_(windowBits);
}
public static ErrorCode CreateZLibStreamForDeflate(out ZLibStreamHandle zLibStreamHandle,
CompressionLevel level, int windowBits, int memLevel, CompressionStrategy strategy)
{
zLibStreamHandle = new ZLibStreamHandle();
return zLibStreamHandle.DeflateInit2_(level, windowBits, memLevel, strategy);
}
public static ErrorCode CreateZLibStreamForInflate(out ZLibStreamHandle zLibStreamHandle)
{
return CreateZLibStreamForInflate(out zLibStreamHandle, Deflate_DefaultWindowBits);
}
public static ErrorCode CreateZLibStreamForDeflate(out ZLibStreamHandle zLibStreamHandle)
{
return CreateZLibStreamForDeflate(out zLibStreamHandle,
CompressionLevel.DefaultCompression, Deflate_DefaultWindowBits,
Deflate_DefaultMemLevel, CompressionStrategy.DefaultStrategy);
}