com.sun.speech.freetts.en.us
Class NumberExpander

java.lang.Object
  com.sun.speech.freetts.en.us.NumberExpander

public class NumberExpander

extends java.lang.Object

Expands Strings containing digits characters into a list of words representing those digits. It translates the following code from flite: lang/usEnglish/us_expand.c

Method Summary

static void	expandDigits(java.lang.String numberString, WordRelation wordRelation) Expands given token to list of words pronouncing it as digits
static void	expandID(java.lang.String numberString, WordRelation wordRelation) Expands the given number string as pairs as in years or IDs
static void	expandLetters(java.lang.String letters, WordRelation wordRelation) Expands the given string of letters as a list of single char symbols.
static void	expandNumber(java.lang.String numberString, WordRelation wordRelation) Expands a digit string into a list of English words of those digits.
static void	expandOrdinal(java.lang.String rawNumberString, WordRelation wordRelation) Expands the digit string of an ordinal number.
static void	expandReal(java.lang.String numberString, WordRelation wordRelation) Expands the given number string as a real number.
static int	expandRoman(java.lang.String roman) Returns the integer value of the given string of Roman numerals.
static boolean	isDigit(char ch) Returns true if the given character is a digit (0-9 only).

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

expandNumber

public static void expandNumber(java.lang.String numberString,
                                WordRelation wordRelation)

Expands a digit string into a list of English words of those digits. For example, "1234" expands to "one two three four"

Parameters:

numberString - the digit string to expand.

wordRelation - words are added to this Relation

expandDigits

public static void expandDigits(java.lang.String numberString,
                                WordRelation wordRelation)

Expands given token to list of words pronouncing it as digits

Parameters:

numberString - the string which is the number to expand

wordRelation - words are added to this Relation

expandOrdinal

public static void expandOrdinal(java.lang.String rawNumberString,
                                 WordRelation wordRelation)

Expands the digit string of an ordinal number.

Parameters:

rawNumberString - the string which is the number to expand

wordRelation - words are added to this Relation

expandID

public static void expandID(java.lang.String numberString,
                            WordRelation wordRelation)

Expands the given number string as pairs as in years or IDs

Parameters:

numberString - the string which is the number to expand

wordRelation - words are added to this Relation

expandReal

public static void expandReal(java.lang.String numberString,
                              WordRelation wordRelation)

Expands the given number string as a real number.

Parameters:

numberString - the string which is the real number to expand

wordRelation - words are added to this Relation

expandLetters

public static void expandLetters(java.lang.String letters,
                                 WordRelation wordRelation)

Expands the given string of letters as a list of single char symbols.

Parameters:

letters - the string of letters to expand

wordRelation - words are added to this Relation

expandRoman

public static int expandRoman(java.lang.String roman)

Returns the integer value of the given string of Roman numerals.

Parameters:

roman - the string of Roman numbers

Returns:

the integer value

isDigit

public static boolean isDigit(char ch)

Returns true if the given character is a digit (0-9 only).

Parameters:

ch - the character to test

Returns:

true or false