GetBytes() [2/9]

unsafe override int System.Text.ISCIIEncoding.GetBytes ( char * chars, int charCount, byte * bytes, int byteCount, System::Text::EncoderNLS baseEncoder )

inlinevirtual

Reimplemented from System.Text.EncodingNLS.

Definition at line 513 of file ISCIIEncoding.cs.

    {
        ISCIIEncoder iSCIIEncoder = (ISCIIEncoder)baseEncoder;
        EncodingByteBuffer encodingByteBuffer = new EncodingByteBuffer(this, iSCIIEncoder, bytes, byteCount, chars, charCount);
        int num = _defaultCodePage;
        bool flag = false;
        if (iSCIIEncoder != null)
        {
            num = iSCIIEncoder.currentCodePage;
            flag = iSCIIEncoder.bLastVirama;
            if (iSCIIEncoder.charLeftOver > '\0')
            {
                encodingByteBuffer.Fallback(iSCIIEncoder.charLeftOver);
                flag = false;
            }
        }
        while (encodingByteBuffer.MoreData)
        {
            char nextChar = encodingByteBuffer.GetNextChar();
            if (nextChar < '\u00a0')
            {
                if (!encodingByteBuffer.AddByte((byte)nextChar))
                {
                    break;
                }
                flag = false;
                continue;
            }
            if (nextChar < '\u0901' || nextChar > '൯')
            {
                if (flag && (nextChar == '\u200c' || nextChar == '\u200d'))
                {
                    if (nextChar == '\u200c')
                    {
                        if (!encodingByteBuffer.AddByte(232))
                        {
                            break;
                        }
                    }
                    else if (!encodingByteBuffer.AddByte(233))
                    {
                        break;
                    }
                    flag = false;
                }
                else
                {
                    encodingByteBuffer.Fallback(nextChar);
                    flag = false;
                }
                continue;
            }
            int num2 = s_UnicodeToIndicChar[nextChar - 2305];
            byte b = (byte)num2;
            int num3 = 0xF & (num2 >> 8);
            int num4 = 0xF000 & num2;
            if (num2 == 0)
            {
                encodingByteBuffer.Fallback(nextChar);
                flag = false;
                continue;
            }
            if (num3 != num)
            {
                if (!encodingByteBuffer.AddByte(239, (byte)((uint)num3 | 0x40u)))
                {
                    break;
                }
                num = num3;
            }
            if (!encodingByteBuffer.AddByte(b, (num4 != 0) ? 1 : 0))
            {
                break;
            }
            flag = b == 232;
            if (num4 != 0 && !encodingByteBuffer.AddByte(s_SecondIndicByte[num4 >> 12]))
            {
                break;
            }
        }
        if (num != _defaultCodePage && (iSCIIEncoder == null || iSCIIEncoder.MustFlush))
        {
            if (encodingByteBuffer.AddByte(239, (byte)((uint)_defaultCodePage | 0x40u)))
            {
                num = _defaultCodePage;
            }
            else
            {
                encodingByteBuffer.GetNextChar();
            }
            flag = false;
        }
        if (iSCIIEncoder != null && bytes != null)
        {
            if (!encodingByteBuffer.fallbackBufferHelper.bUsedEncoder)
            {
                iSCIIEncoder.charLeftOver = '\0';
            }
            iSCIIEncoder.currentCodePage = num;
            iSCIIEncoder.bLastVirama = flag;
            iSCIIEncoder.m_charsUsed = encodingByteBuffer.CharsUsed;
        }
        return encodingByteBuffer.Count;
    }

References System.Text.ISCIIEncoding._defaultCodePage, System.byteCount, System.bytes, System.charCount, System.chars, System.Runtime.Serialization.Dictionary, System.Text.ISCIIEncoding.s_SecondIndicByte, and System.Text.ISCIIEncoding.s_UnicodeToIndicChar.

Referenced by System.Text.ISCIIEncoding.GetByteCount().