public static void ExpandNumess(string rawString, WordRelation wordRelation)
{
if (rawString.Length == 4)
{
Expand2DigitNumber(rawString.JSubString(0, 2), wordRelation);
ExpandNumess(rawString.Substring(2), wordRelation);
}
else
{
wordRelation.AddWord(Digit2Numness[rawString[0] - '0']);
}
}
private static void Expand3DigitNumber(string numberString, WordRelation wordRelation)
{
if (numberString[0] == '0')
{
ExpandNumberAt(numberString, 1, wordRelation);
}
else
{
string hundredDigit = Digit2Num[numberString[0] - '0'];
wordRelation.AddWord(hundredDigit);
wordRelation.AddWord("hundred");
ExpandNumberAt(numberString, 1, wordRelation);
}
}
public static void ExpandReal(string numberString, WordRelation wordRelation)
{
int stringLength = numberString.Length;
int position;
if (numberString[0] == '-')
{
// negative real numbers
wordRelation.AddWord("minus");
ExpandReal(numberString.JSubString(1, stringLength), wordRelation);
}
else if (numberString[0] == '+')
{
// prefixed with a '+'
wordRelation.AddWord("plus");
ExpandReal(numberString.JSubString(1, stringLength), wordRelation);
}
else if ((position = numberString.IndexOf('e')) != -1 ||
(position = numberString.IndexOf('E')) != -1)
{
// numbers with 'E' or 'e'
ExpandReal(numberString.JSubString(0, position), wordRelation);
wordRelation.AddWord("e");
ExpandReal(numberString.Substring(position + 1), wordRelation);
}
else if ((position = numberString.IndexOf('.')) != -1)
{
// numbers with '.'
string beforeDot = numberString.JSubString(0, position);
if (beforeDot.Length > 0)
{
ExpandReal(beforeDot, wordRelation);
}
wordRelation.AddWord("point");
string afterDot = numberString.Substring(position + 1);
if (afterDot.Length > 0)
{
ExpandDigits(afterDot, wordRelation);
}
}
else
{
// everything else
ExpandNumber(numberString, wordRelation);
}
}
public static void ExpandDigits(string numberString, WordRelation wordRelation)
{
int numberDigits = numberString.Length;
for (int i = 0; i < numberDigits; i++)
{
char digit = numberString[i];
if (char.IsDigit(digit))
{
wordRelation.AddWord(Digit2Num[numberString[i] - '0']);
}
else
{
wordRelation.AddWord("umpty");
}
}
}
public static void ExpandOrdinal(string rawNumberString, WordRelation wordRelation)
{
ExpandNumber(rawNumberString.Replace(",", ""), wordRelation);
// get the last in the list of number strings
Item lastItem = wordRelation.Tail;
if (lastItem != null)
{
FeatureSet featureSet = lastItem.Features;
string lastNumber = featureSet.GetString("name");
string ordinal = FindMatchInArray(lastNumber, Digit2Num, Ord2Num);
if (ordinal == null)
{
ordinal = FindMatchInArray(lastNumber, Digit2Teen, Ord2Teen);
}
if (ordinal == null)
{
ordinal = FindMatchInArray(lastNumber, Digit2Enty, Ord2Enty);
}
if (lastNumber.Equals("hundred"))
{
ordinal = "hundredth";
}
else if (lastNumber.Equals("thousand"))
{
ordinal = "thousandth";
}
else if (lastNumber.Equals("billion"))
{
ordinal = "billionth";
}
// if there was an ordinal, set the last element of the list
// to that ordinal; otherwise, don't do anything
if (ordinal != null)
{
wordRelation.SetLastWord(ordinal);
}
}
}
public static void ExpandId(string numberString, WordRelation wordRelation)
{
int numberDigits = numberString.Length;
if ((numberDigits == 4) && (numberString[2] == '0') &&
(numberString[3] == '0'))
{
if (numberString[1] == '0')
{ // e.g. 2000, 3000
ExpandNumber(numberString, wordRelation);
}
else
{
ExpandNumber(numberString.JSubString(0, 2), wordRelation);
wordRelation.AddWord("hundred");
}
}
else if ((numberDigits == 2) && (numberString[0] == '0'))
{
wordRelation.AddWord("oh");
ExpandDigits(numberString.JSubString(1, 2), wordRelation);
}
else if ((numberDigits == 4 && numberString[1] == '0') ||
numberDigits < 3)
{
ExpandNumber(numberString, wordRelation);
}
else if (numberDigits % 2 == 1)
{
string firstDigit = Digit2Num[numberString[0] - '0'];
wordRelation.AddWord(firstDigit);
ExpandId(numberString.JSubString(1, numberDigits), wordRelation);
}
else
{
ExpandNumber(numberString.JSubString(0, 2), wordRelation);
ExpandId(numberString.JSubString(2, numberDigits), wordRelation);
}
}
public static void ExpandLetters(string letters, WordRelation wordRelation)
{
letters = letters.ToLower();
char c;
for (int i = 0; i < letters.Length; i++)
{
// if this is a number
c = letters[i];
if (char.IsDigit(c))
{
wordRelation.AddWord(Digit2Num[c - '0']);
}
else if (letters.Equals("a"))
{
wordRelation.AddWord("_a");
}
else
{
wordRelation.AddWord(c.ToString(CultureInfo.InvariantCulture));
}
}
}
public static void ExpandNumber(string numberString, WordRelation wordRelation)
{
int numDigits = numberString.Length;
if (numDigits == 0)
{
// wordRelation = null;
}
else if (numDigits == 1)
{
ExpandDigits(numberString, wordRelation);
}
else if (numDigits == 2)
{
Expand2DigitNumber(numberString, wordRelation);
}
else if (numDigits == 3)
{
Expand3DigitNumber(numberString, wordRelation);
}
else if (numDigits < 7)
{
ExpandBelow7DigitNumber(numberString, wordRelation);
}
else if (numDigits < 10)
{
ExpandBelow10DigitNumber(numberString, wordRelation);
}
else if (numDigits < 13)
{
ExpandBelow13DigitNumber(numberString, wordRelation);
}
else
{
ExpandDigits(numberString, wordRelation);
}
}
private static void Expand2DigitNumber(string numberString, WordRelation wordRelation)
{
if (numberString[0] == '0')
{
// numberString is "0X"
if (numberString[1] == '0')
{
// numberString is "00", do nothing
}
else
{
// numberString is "01", "02" ...
string number = Digit2Num[numberString[1] - '0'];
wordRelation.AddWord(number);
}
}
else if (numberString[1] == '0')
{
// numberString is "10", "20", ...
string number = Digit2Enty[numberString[0] - '0'];
wordRelation.AddWord(number);
}
else if (numberString[0] == '1')
{
// numberString is "11", "12", ..., "19"
string number = Digit2Teen[numberString[1] - '0'];
wordRelation.AddWord(number);
}
else
{
// numberString is "2X", "3X", ...
string enty = Digit2Enty[numberString[0] - '0'];
wordRelation.AddWord(enty);
ExpandDigits(numberString.JSubString(1, numberString.Length), wordRelation);
}
}
private static void ExpandNumberAt(string numberString, int startIndex, WordRelation wordRelation)
{
ExpandNumber(numberString.JSubString(startIndex, numberString.Length), wordRelation);
}
private static void ExpandLargeNumber(string numberString, string order, int numberZeroes, WordRelation wordRelation)
{
int numberDigits = numberString.Length;
// parse out the prefix, e.g., "113" in "113,000"
int i = numberDigits - numberZeroes;
string part = numberString.JSubString(0, i);
// get how many thousands/millions/billions
Item oldTail = wordRelation.Tail;
ExpandNumber(part, wordRelation);
if (wordRelation.Tail != oldTail)
{
wordRelation.AddWord(order);
}
ExpandNumberAt(numberString, i, wordRelation);
}
private static void ExpandBelow13DigitNumber([In] string numberString, WordRelation wordRelation)
{
ExpandLargeNumber(numberString, "billion", 9, wordRelation);
}
private static void ExpandBelow10DigitNumber(string numberString, WordRelation wordRelation)
{
ExpandLargeNumber(numberString, "million", 6, wordRelation);
}
private static void ExpandBelow7DigitNumber(string numberString, WordRelation wordRelation)
{
ExpandLargeNumber(numberString, "thousand", 3, wordRelation);
}
