/// <summary>
/// Convert the given digit token into (word) Items in the WordRelation.
/// </summary>
/// <param name="tokenVal">The digit string.</param>
private void digitsToWords(string tokenVal)
{
FeatureSet featureSet = tokenItem.getFeatures();
string nsw = "";
if (featureSet.isPresent("nsw"))
{
nsw = featureSet.getString("nsw");
}
if (nsw.Equals("nide"))
{
NumberExpander.expandID(tokenVal, wordRelation);
}
else
{
string rName = featureSet.getString("name");
string digitsType = null;
if (tokenVal.Equals(rName))
{
digitsType = (string)cart.interpret(tokenItem);
}
else
{
featureSet.setString("name", tokenVal);
digitsType = (string)cart.interpret(tokenItem);
featureSet.setString("name", rName);
}
if (digitsType.Equals("ordinal"))
{
NumberExpander.expandOrdinal(tokenVal, wordRelation);
}
else if (digitsType.Equals("digits"))
{
NumberExpander.expandDigits(tokenVal, wordRelation);
}
else if (digitsType.Equals("year"))
{
NumberExpander.expandID(tokenVal, wordRelation);
}
else
{
NumberExpander.expandNumber(tokenVal, wordRelation);
}
}
}
/// <summary>
/// process the utterance
/// </summary>
/// <param name="text">The text.</param>
/// <exception cref="IllegalStateException"></exception>
/// <returns>The utterance contain the tokens</returns>
public virtual List <string> expand(string text)
{
string simplifiedText = simplifyChars(text);
CharTokenizer tokenizer = new CharTokenizer();
tokenizer.setWhitespaceSymbols(UsEnglish.WHITESPACE_SYMBOLS);
tokenizer.setSingleCharSymbols(UsEnglish.SINGLE_CHAR_SYMBOLS);
tokenizer.setPrepunctuationSymbols(UsEnglish.PREPUNCTUATION_SYMBOLS);
tokenizer.setPostpunctuationSymbols(UsEnglish.PUNCTUATION_SYMBOLS);
tokenizer.setInputText(simplifiedText);
Utterance utterance = new Utterance(tokenizer);
Relation tokenRelation;
if ((tokenRelation = utterance.getRelation(Relation.TOKEN)) == null)
{
throw new IllegalStateException("token relation does not exist");
}
wordRelation = WordRelation.createWordRelation(utterance, this);
for (tokenItem = tokenRelation.getHead(); tokenItem != null; tokenItem =
tokenItem.getNext())
{
FeatureSet featureSet = tokenItem.getFeatures();
string tokenVal = featureSet.getString("name");
// convert the token into a list of words
tokenToWords(tokenVal);
}
List <string> words = new List <string>();
for (Item item = utterance.getRelation(Relation.WORD).getHead(); item != null; item =
item.getNext())
{
if (!string.IsNullOrEmpty(item.ToString()) && !item.ToString().Contains("#"))
{
words.Add(item.ToString());
}
}
return(words);
}
public static void expandOrdinal(string rawNumberString, WordRelation wordRelation)
{
expandNumber(rawNumberString.Replace(",", ""), wordRelation);
// get the last in the list of number strings
Item lastItem = wordRelation.getTail();
if (lastItem != null)
{
FeatureSet featureSet = lastItem.getFeatures();
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);
}
}
}
/// <summary>
/// Returns true if the given token is the name of a US state. If it is, it
/// will add the name of the state to (word) Items in the WordRelation.
/// </summary>
/// <param name="tokenVal">The token string.</param>
private bool isStateName([In] string tokenVal)
{
string[] state = usStatesMap.get(tokenVal);
if (state != null)
{
bool expandState = false;
// check to see if the state initials are ambiguous
// in the English language
if (state[1].Equals("ambiguous"))
{
string previous = (string)tokenItem.findFeature("p.name");
string next = (string)tokenItem.findFeature("n.name");
int nextLength = next.Length;
FeatureSet featureSet = tokenItem.getFeatures();
// check if the previous word starts with a capital letter,
// is at least 3 letters long, is an alphabet sequence,
// and has a comma.
bool previousIsCity =
(char.IsUpper(previous[0]) &&
previous.Length > 2 &&
matches(alphabetPattern, previous) && tokenItem
.findFeature("p.punc").Equals(","));
// check if next token starts with a lower case, or
// this is the end of sentence, or if next token
// is a period (".") or a zip code (5 or 10 digits).
bool nextIsGood =
(char.IsLower(next[0])) ||
tokenItem.getNext() == null ||
featureSet.getString("punc").Equals(".") || ((nextLength == 5 || nextLength == 10) && matches(
digitsPattern, next));
if (previousIsCity && nextIsGood)
{
expandState = true;
}
else
{
expandState = false;
}
}
else
{
expandState = true;
}
if (expandState)
{
for (int j = 2; j < state.Length; j++)
{
if (state[j] != null)
{
wordRelation.addWord(state[j]);
}
}
return(true);
}
}
return(false);
}
/// <summary>
/// Converts the given string containing "St" and "Dr" to (word) Items in the WordRelation.
/// </summary>
/// <param name="drStString">The string with "St" and "Dr".</param>
private void drStToWords(string drStString)
{
string street = null;
string saint = null;
char c0 = drStString[0];
if (c0 == 's' || c0 == 'S')
{
street = "street";
saint = "saint";
}
else
{
street = "drive";
saint = "doctor";
}
FeatureSet featureSet = tokenItem.getFeatures();
string punctuation = featureSet.getString("punc");
string featPunctuation = (string)tokenItem.findFeature("punc");
if (tokenItem.getNext() == null || punctuation.IndexOf(',') != -1)
{
wordRelation.addWord(street);
}
else if (featPunctuation.Equals(","))
{
wordRelation.addWord(saint);
}
else
{
string pName = (string)tokenItem.findFeature("p.name");
string nName = (string)tokenItem.findFeature("n.name");
char p0 = pName[0];
char n0 = nName[0];
if (char.IsUpper(p0) && char.IsLower(n0))
{
wordRelation.addWord(street);
}
else if (char.IsDigit(p0) && char.IsLower(n0))
{
wordRelation.addWord(street);
}
else if (char.IsLower(p0) && char.IsUpper(n0))
{
wordRelation.addWord(saint);
}
else
{
string whitespace = (string)tokenItem.findFeature("n.whitespace");
if (whitespace.Equals(" "))
{
wordRelation.addWord(saint);
}
else
{
wordRelation.addWord(street);
}
}
}
if (punctuation != null && punctuation.Equals("."))
{
featureSet.setString("punc", "");
}
}
/// <summary>
/// Converts the given Token into (word) Items in the WordRelation.
/// </summary>
/// <param name="tokenVal">the string value of the token, which may or may not be
/// same as the one in called "name" in flite</param>
private void tokenToWords(string tokenVal)
{
FeatureSet tokenFeatures = tokenItem.getFeatures();
string itemName = tokenFeatures.getString("name");
int tokenLength = tokenVal.Length;
if (tokenFeatures.isPresent("phones"))
{
wordRelation.addWord(tokenVal);
}
else if ((tokenVal.Equals("a") || tokenVal.Equals("A")) &&
((tokenItem.getNext() == null) ||
!(tokenVal.Equals(itemName)) || !(((string)tokenItem
.findFeature("punc")).Equals(""))))
{
/* if A is a sub part of a token, then its ey not ah */
wordRelation.addWord("_a");
}
else if (matches(alphabetPattern, tokenVal))
{
if (matches(romanNumbersPattern, tokenVal))
{
/* XVIII */
romanToWords(tokenVal);
}
else if (matches(illionPattern, tokenVal) &&
matches(usMoneyPattern,
(string)tokenItem.findFeature("p.name")))
{
/* $ X -illion */
wordRelation.addWord(tokenVal);
wordRelation.addWord("dollars");
}
else if (matches(drStPattern, tokenVal))
{
/* St Andrew's St, Dr King Dr */
drStToWords(tokenVal);
}
else if (tokenVal.Equals("Mr"))
{
tokenItem.getFeatures().setString("punc", "");
wordRelation.addWord("mister");
}
else if (tokenVal.Equals("Mrs"))
{
tokenItem.getFeatures().setString("punc", "");
wordRelation.addWord("missus");
}
else if (tokenLength == 1 &&
char.IsUpper(tokenVal[0]) &&
((string)tokenItem.findFeature("n.whitespace"))
.Equals(" ") &&
char.IsUpper(((string)tokenItem
.findFeature("n.name"))[0]))
{
tokenFeatures.setString("punc", "");
string aaa = tokenVal.ToLower();
if (aaa.Equals("a"))
{
wordRelation.addWord("_a");
}
else
{
wordRelation.addWord(aaa);
}
}
else if (isStateName(tokenVal))
{
/*
* The name of a US state isStateName() has already added the
* full name of the state, so we're all set.
*/
}
else if (tokenLength > 1 && !isPronounceable(tokenVal))
{
/* Need common exception list */
/* unpronouncable list of alphas */
NumberExpander.expandLetters(tokenVal, wordRelation);
}
else
{
/* just a word */
wordRelation.addWord(tokenVal.ToLower());
}
}
else if (matches(dottedAbbrevPattern, tokenVal))
{
/* U.S.A. */
// remove all dots
NumberExpander.expandLetters(tokenVal.Replace(".", ""),
wordRelation);
}
else if (matches(commaIntPattern, tokenVal))
{
/* 99,999,999 */
NumberExpander.expandReal(tokenVal.Replace(",", "").Replace("'", ""), wordRelation);
}
else if (matches(sevenPhoneNumberPattern, tokenVal))
{
/* 234-3434 telephone numbers */
int dashIndex = tokenVal.IndexOf('-');
string aaa = tokenVal.Substring(0, dashIndex);
string bbb = tokenVal.Substring(dashIndex + 1);
NumberExpander.expandDigits(aaa, wordRelation);
wordRelation.addBreak();
NumberExpander.expandDigits(bbb, wordRelation);
}
else if (matchesPartPhoneNumber(tokenVal))
{
/* part of a telephone number */
string punctuation = (string)tokenItem.findFeature("punc");
if (punctuation.Equals(""))
{
tokenItem.getFeatures().setString("punc", ",");
}
NumberExpander.expandDigits(tokenVal, wordRelation);
wordRelation.addBreak();
}
else if (matches(numberTimePattern, tokenVal))
{
/* 12:35 */
int colonIndex = tokenVal.IndexOf(':');
string aaa = tokenVal.Substring(0, colonIndex);
string bbb = tokenVal.Substring(colonIndex + 1);
NumberExpander.expandNumber(aaa, wordRelation);
if (!(bbb.Equals("00")))
{
NumberExpander.expandID(bbb, wordRelation);
}
}
else if (matches(digits2DashPattern, tokenVal))
{
/* 999-999-999 */
digitsDashToWords(tokenVal);
}
else if (matches(digitsPattern, tokenVal))
{
digitsToWords(tokenVal);
}
else if (tokenLength == 1 &&
char.IsUpper(tokenVal[0]) &&
((string)tokenItem.findFeature("n.whitespace"))
.Equals(" ") &&
char.IsUpper(((string)tokenItem
.findFeature("n.name"))[0]))
{
tokenFeatures.setString("punc", "");
string aaa = tokenVal.ToLower();
if (aaa.Equals("a"))
{
wordRelation.addWord("_a");
}
else
{
wordRelation.addWord(aaa);
}
}
else if (matches(doublePattern, tokenVal))
{
NumberExpander.expandReal(tokenVal, wordRelation);
}
else if (matches(ordinalPattern, tokenVal))
{
/* explicit ordinals */
string aaa = tokenVal.Substring(0, tokenLength - 2);
NumberExpander.expandOrdinal(aaa, wordRelation);
}
else if (matches(usMoneyPattern, tokenVal))
{
/* US money */
usMoneyToWords(tokenVal);
}
else if (tokenLength > 0 && tokenVal[tokenLength - 1] == '%')
{
/* Y% */
tokenToWords(tokenVal.Substring(0, tokenLength - 1));
wordRelation.addWord("percent");
}
else if (matches(numessPattern, tokenVal))
{
NumberExpander.expandNumess(tokenVal.Substring(0, tokenLength - 1), wordRelation);
}
else if (matches(digitsSlashDigitsPattern, tokenVal) &&
tokenVal.Equals(itemName))
{
digitsSlashDigitsToWords(tokenVal);
}
else if (tokenVal.IndexOf('-') != -1)
{
dashToWords(tokenVal);
}
else if (tokenLength > 1 && !matches(alphabetPattern, tokenVal))
{
notJustAlphasToWords(tokenVal);
}
else if (tokenVal.Equals("&"))
{
// &
wordRelation.addWord("and");
}
else if (tokenVal.Equals("-"))
{
// Skip it
}
else
{
// Just a word.
wordRelation.addWord(tokenVal.ToLower());
}
}