GetCharCount() [6/7]

unsafe override int System.Text.DecoderDBCS.GetCharCount ( byte[] bytes, int index, int count, bool flush )

inlinevirtual

Reimplemented from System.Text.Decoder.

Definition at line 48 of file DecoderDBCS.cs.

    {
        if (bytes == null)
        {
            throw new ArgumentNullException("bytes", System.SR.ArgumentNull_Array);
        }
        if (index < 0 || count < 0)
        {
            throw new ArgumentOutOfRangeException((index < 0) ? "index" : "count", System.SR.ArgumentOutOfRange_NeedNonNegNum);
        }
        if (bytes.Length - index < count)
        {
            throw new ArgumentOutOfRangeException("bytes", System.SR.ArgumentOutOfRange_IndexCountBuffer);
        }
        if (count == 0 && (_leftOverLeadByte == 0 || !flush))
        {
            return 0;
        }
        fixed (byte* ptr = bytes)
        {
            Unsafe.SkipInit(out byte b);
            byte* bytes2 = ((ptr == null) ? (&b) : (ptr + index));
            return GetCharCount(bytes2, count, flush);
        }
    }

References System.Text.DecoderDBCS._leftOverLeadByte, System.SR.ArgumentNull_Array, System.SR.ArgumentOutOfRange_IndexCountBuffer, System.SR.ArgumentOutOfRange_NeedNonNegNum, System.bytes, System.count, System.Text.DecoderDBCS.GetCharCount(), and System.index.