int nsLanguageDetector::GetOrderFromCodePoint(int codePoint)

{

  int max = mModel->charOrderTableSize;

  int min = 0;

  int max = mModel->charOrderTableSize - 1;

  int i   = max / 2;

  int c   = mModel->charOrderTable[i * 2];

  int c;

  while ((c = mModel->charOrderTable[i * 2]) != codePoint)

  {

    if (c > codePoint)

    {

      if (i == 0)

      if (i == min)

        break;

      max = i - 1;

      i = i / 2;

    }

    else if (i < max - 1)

    {

      i += (max - i) / 2;

    }

    else if (i == max - 1)

    {

      i = max;

    }

    else

    {

      if (i == max)

        break;

      min = i + 1;

    }

    i = min + (max - min) / 2;

  }

  return (c == codePoint) ? mModel->charOrderTable[i * 2 + 1] : -1;