137if (this.writeState != null && WriteState.Length > 0) 139switch (WriteState.Padding) 142WriteState.Append(base64EncodeMap[WriteState.LastBits], base64EncodeMap[64], 146WriteState.Append(base64EncodeMap[WriteState.LastBits], base64EncodeMap[64]); 149WriteState.Padding = 0; 224WriteState.AppendHeader(); 226switch (WriteState.Padding) 229WriteState.Append(base64EncodeMap[WriteState.LastBits | ((buffer[cur]&0xf0)>>4)]); 232WriteState.LastBits = (byte)((buffer[cur]&0x0f)<<2); 233WriteState.Padding = 1; 237WriteState.Append(base64EncodeMap[((buffer[cur]&0x0f)<<2) | ((buffer[cur+1]&0xc0)>>6)]); 238WriteState.Append(base64EncodeMap[(buffer[cur+1]&0x3f)]); 241WriteState.Padding = 0; 244WriteState.Append(base64EncodeMap[WriteState.LastBits | ((buffer[cur]&0xc0)>>6)]); 245WriteState.Append(base64EncodeMap[(buffer[cur]&0x3f)]); 248WriteState.Padding = 0; 258&& (WriteState.CurrentLineLength + sizeOfBase64EncodedChar + writeState.FooterLength > lineLength)) 260WriteState.AppendCRLF(shouldAppendSpaceToCRLF); 268WriteState.Append(base64EncodeMap[(buffer[cur]&0xfc)>>2]); 269WriteState.Append(base64EncodeMap[((buffer[cur]&0x03)<<4) | ((buffer[cur+1]&0xf0)>>4)]); 270WriteState.Append(base64EncodeMap[((buffer[cur+1]&0x0f)<<2) | ((buffer[cur+2]&0xc0)>>6)]); 271WriteState.Append(base64EncodeMap[(buffer[cur+2]&0x3f)]); 278&& (WriteState.CurrentLineLength + sizeOfBase64EncodedChar + writeState.FooterLength >= lineLength)) 280WriteState.AppendCRLF(shouldAppendSpaceToCRLF); 288WriteState.Append(base64EncodeMap[(buffer[cur]&0xFC)>>2]); 289WriteState.Append(base64EncodeMap[((buffer[cur]&0x03)<<4)|((buffer[cur+1]&0xf0)>>4)]); 291WriteState.Append(base64EncodeMap[((buffer[cur+1]&0x0f)<<2)]); 292WriteState.Append(base64EncodeMap[64]); 293WriteState.Padding = 0; 296WriteState.LastBits = (byte)((buffer[cur+1]&0x0F)<<2); 297WriteState.Padding = 1; 303WriteState.Append(base64EncodeMap[(buffer[cur]&0xFC)>>2]); 305WriteState.Append(base64EncodeMap[(byte)((buffer[cur]&0x03)<<4)]); 306WriteState.Append(base64EncodeMap[64]); 307WriteState.Append(base64EncodeMap[64]); 308WriteState.Padding = 0; 311WriteState.LastBits = (byte)((buffer[cur]&0x03)<<4); 312WriteState.Padding = 2; 319WriteState.AppendFooter(); 330return ASCIIEncoding.ASCII.GetString(this.WriteState.Buffer, 0, this.WriteState.Length); 352if (this.writeState != null && WriteState.Length > 0) 361base.Write(WriteState.Buffer, 0, WriteState.Length); 362WriteState.Reset(); 527IAsyncResult result = this.parent.BaseStream.BeginWrite(this.parent.WriteState.Buffer, 0, this.parent.WriteState.Length, onWrite, this); 543this.parent.WriteState.Reset();