LoadManagedCodePage()

unsafe override void System.Text.GB18030Encoding.LoadManagedCodePage ( )

inlineprotected

Definition at line 92 of file GB18030Encoding.cs.

    {
        iExtraBytes = 87032;
        base.LoadManagedCodePage();
        byte* ptr = (byte*)(void*)safeNativeMemoryHandle.DangerousGetHandle();
        mapUnicodeTo4BytesFlags = ptr + 262144;
        map4BytesToUnicode = (char*)(ptr + 262144 + 8192);
        char c = '\0';
        ushort num = 0;
        for (int i = 0; i < _tableUnicodeToGBDiffs.Length; i++)
        {
            ushort num2 = _tableUnicodeToGBDiffs[i];
            if ((num2 & 0x8000u) != 0)
            {
                if (num2 > 36864 && num2 != 53670)
                {
                    mapBytesToUnicode[(int)num2] = c;
                    mapUnicodeToBytes[(int)c] = num2;
                    c = (char)(c + 1);
                }
                else
                {
                    c = (char)(c + (ushort)(num2 & 0x7FFF));
                }
                continue;
            }
            while (num2 > 0)
            {
                map4BytesToUnicode[(int)num] = c;
                mapUnicodeToBytes[(int)c] = num;
                byte* num3 = mapUnicodeTo4BytesFlags + c / 8;
                *num3 |= (byte)(1 << c % 8);
                c = (char)(c + 1);
                num++;
                num2--;
            }
        }
    }

References System.Text.GB18030Encoding._tableUnicodeToGBDiffs, System.Text.BaseCodePageEncoding.iExtraBytes, System.Text.GB18030Encoding.map4BytesToUnicode, System.Text.DBCSCodePageEncoding.mapBytesToUnicode, System.Text.GB18030Encoding.mapUnicodeTo4BytesFlags, System.Text.DBCSCodePageEncoding.mapUnicodeToBytes, and System.Text.BaseCodePageEncoding.safeNativeMemoryHandle.