/// <summary>
/// Creates a digit instance
/// </summary>
/// <param name="buffer">
/// A number string, in which the digit is located
/// </param>
/// <param name="bufferPosition">
/// The index of the digit in a <c>buffer</c>
/// </param>
public Digit(string buffer, int bufferPosition)
{
int digit = int.Parse(buffer[bufferPosition].ToString());
int digitPosition = getDigitPosition(buffer, bufferPosition);
BasePlaceValue basePlaceValue = getBasePlaceValue(digitPosition);
BigPlaceValue bigPlaceValue = getBigPlaceValue(digitPosition);
this.digit = digit;
this.basePlaceValue = basePlaceValue;
this.bigPlaceValue = bigPlaceValue;
}
/// <summary>
/// Compose a Polish extension word for a big place value
/// </summary>
/// <param name="digit">
/// The digit used to determine which extension to use
/// </param>
/// <param name="bigPlaceValue">
/// The BigPlaceValue used to determine which extension to use
/// </param>
/// <returns>
/// A Polish word extension for the BigPlaceValue
/// </returns>
private string composeBigPlaceValueExtensionWord(int digit, BigPlaceValue bigPlaceValue)
{
if (digit == 0)
{
return("");
}
int wordExtensionIndex = getCommonPolishWordExtensionIndex(digit);
string word;
switch (bigPlaceValue)
{
case BigPlaceValue.None:
default:
return("");
case BigPlaceValue.Thousands:
word = ThousandsEndings[wordExtensionIndex];
break;
case BigPlaceValue.Millions:
word = MillionsEndings[wordExtensionIndex];
break;
case BigPlaceValue.Billions:
word = BillionsEndings[wordExtensionIndex];
break;
case BigPlaceValue.Trillions:
word = TrillionsEndings[wordExtensionIndex];
break;
}
return(word);
}
