GetByteCount() [2/5]

unsafe override int System.Text.OSEncoder.GetByteCount ( char * chars, int count, bool flush )

inlinevirtual

Reimplemented from System.Text.Encoder.

Definition at line 66 of file OSEncoder.cs.

    {
        if (chars == null)
        {
            throw new ArgumentNullException("chars", System.SR.ArgumentNull_Array);
        }
        if (count < 0)
        {
            throw new ArgumentOutOfRangeException("count", System.SR.ArgumentOutOfRange_NeedNonNegNum);
        }
        bool flag = count > 0 && !flush && char.IsHighSurrogate(chars[count - 1]);
        if (flag)
        {
            count--;
        }
        if (_charLeftOver == '\0')
        {
            if (count <= 0)
            {
                return 0;
            }
            return OSEncoding.WideCharToMultiByte(_encoding.CodePage, chars, count, null, 0);
        }
        if (count == 0 && !flag && !flush)
        {
            return 0;
        }
        return ConvertWithLeftOverChar(chars, count, null, 0);
    }

References System.Text.OSEncoder._charLeftOver, System.Text.OSEncoder._encoding, System.SR.ArgumentNull_Array, System.SR.ArgumentOutOfRange_NeedNonNegNum, System.chars, System.Text.Encoding.CodePage, System.Text.OSEncoder.ConvertWithLeftOverChar(), System.count, and System.Text.OSEncoding.WideCharToMultiByte().