edu.cmu.sphinx.fst.utils

Class Utils

java.lang.Object

edu.cmu.sphinx.fst.utils.Utils

public class Utils
extends java.lang.Object

Several genearl use utility functions needed by the fst framework

Author:

John Salatas

Constructor Summary

Constructors

Constructor and Description
Utils()

Method Summary

Methods

Modifier and Type	Method and Description
static int	getIndex(java.lang.String[] strings, java.lang.String string) Get the position (index) of a particular string in a Strings array.
static float	round(float value, int digits) Rounds a float number to the specified number of decimal digits
static int	search(java.util.ArrayList<java.lang.String> src, java.util.ArrayList<java.lang.String> pattern, int start) Searches an ArrayList of Strings starting from a specific position for a pattern
static java.util.ArrayList<java.lang.String>	split_string(java.lang.String input, java.lang.String delim) Splits a string into an ArrayList of Strings based on a text delimiter
static java.lang.String[]	toStringArray(java.util.HashMap<java.lang.String,java.lang.Integer> syms) Convert a HashMap to Strings array

Methods inherited from class java.lang.Object

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

Constructor Detail

Utils

public Utils()

Method Detail

split_string

public static java.util.ArrayList<java.lang.String> split_string(java.lang.String input,
                                                 java.lang.String delim)

Splits a string into an ArrayList of Strings based on a text delimiter

Parameters:

input - the string to split

delim - the text delimiter

Returns:

the splitted ArrayList

search

public static int search(java.util.ArrayList<java.lang.String> src,
         java.util.ArrayList<java.lang.String> pattern,
         int start)

Searches an ArrayList of Strings starting from a specific position for a pattern

Parameters:

src - the input ArrayList of Strings

pattern - the pattern to search for

start - the starting position

Returns:

the index of the first occurrence or -1 if no matches found

round

public static float round(float value,
          int digits)

Rounds a float number to the specified number of decimal digits

Parameters:

value - the float numbe to round

digits - the number of digits

Returns:

the rounded number

getIndex

public static int getIndex(java.lang.String[] strings,
           java.lang.String string)

Get the position (index) of a particular string in a Strings array. The search is case insensitive.

Parameters:

strings - the Strings array

string - the string to search

Returns:

the index of the first occurrence or -1 if no matches found

toStringArray

public static java.lang.String[] toStringArray(java.util.HashMap<java.lang.String,java.lang.Integer> syms)

Convert a HashMap to Strings array

Parameters:

syms - the input HashMap

Returns:

the Strings array