internal override unsafe int GetBytes(char *chars, int charCount, byte *bytes, int byteCount, EncoderNLS baseEncoder)
{
ISCIIEncoding.ISCIIEncoder isciiEncoder = (ISCIIEncoding.ISCIIEncoder)baseEncoder;
Encoding.EncodingByteBuffer encodingByteBuffer = new Encoding.EncodingByteBuffer((Encoding)this, (EncoderNLS)isciiEncoder, bytes, byteCount, chars, charCount);
int num1 = this.defaultCodePage;
bool flag = false;
if (isciiEncoder != null)
{
num1 = isciiEncoder.currentCodePage;
flag = isciiEncoder.bLastVirama;
if ((int)isciiEncoder.charLeftOver > 0)
{
encodingByteBuffer.Fallback(isciiEncoder.charLeftOver);
flag = false;
}
}
while (encodingByteBuffer.MoreData)
{
char nextChar = encodingByteBuffer.GetNextChar();
if ((int)nextChar < 160)
{
if (encodingByteBuffer.AddByte((byte)nextChar))
{
flag = false;
}
else
{
break;
}
}
else if ((int)nextChar < 2305 || (int)nextChar > 3439)
{
if (flag && ((int)nextChar == 8204 || (int)nextChar == 8205))
{
if ((int)nextChar == 8204)
{
if (!encodingByteBuffer.AddByte((byte)232))
{
break;
}
}
else if (!encodingByteBuffer.AddByte((byte)233))
{
break;
}
flag = false;
}
else
{
encodingByteBuffer.Fallback(nextChar);
flag = false;
}
}
else
{
int num2 = ISCIIEncoding.UnicodeToIndicChar[(int)nextChar - 2305];
byte b = (byte)num2;
int num3 = 15 & num2 >> 8;
int num4 = 61440 & num2;
if (num2 == 0)
{
encodingByteBuffer.Fallback(nextChar);
flag = false;
}
else
{
if (num3 != num1)
{
if (encodingByteBuffer.AddByte((byte)239, (byte)(num3 | 64)))
{
num1 = num3;
}
else
{
break;
}
}
if (encodingByteBuffer.AddByte(b, num4 != 0 ? 1 : 0))
{
flag = (int)b == 232;
if (num4 != 0 && !encodingByteBuffer.AddByte(ISCIIEncoding.SecondIndicByte[num4 >> 12]))
{
break;
}
}
else
{
break;
}
}
}
}
if (num1 != this.defaultCodePage && (isciiEncoder == null || isciiEncoder.MustFlush))
{
if (encodingByteBuffer.AddByte((byte)239, (byte)(this.defaultCodePage | 64)))
{
num1 = this.defaultCodePage;
}
else
{
int num2 = (int)encodingByteBuffer.GetNextChar();
}
flag = false;
}
if (isciiEncoder != null && (IntPtr)bytes != IntPtr.Zero)
{
if (!encodingByteBuffer.fallbackBuffer.bUsedEncoder)
{
isciiEncoder.charLeftOver = char.MinValue;
}
isciiEncoder.currentCodePage = num1;
isciiEncoder.bLastVirama = flag;
isciiEncoder.m_charsUsed = encodingByteBuffer.CharsUsed;
}
return(encodingByteBuffer.Count);
}
