websphinx.util
Class Str

java.lang.Object
  |
  +--websphinx.util.Str

public abstract class Str

extends java.lang.Object

String utility routines.

Field Summary

private static int	EXP
private static int	FRAC
private static int	INT Parse a number from a string.

Constructor Summary

Str()

Method Summary

static java.lang.String	escape(java.lang.String subject, char escapeChar, java.lang.String metachars) Escapes metacharacters in a string.
static int	indexOfAnyChar(java.lang.String subject, java.lang.String chars) Find first occurence of any of a set of characters.
static int	indexOfAnyChar(java.lang.String subject, java.lang.String chars, int start) Find first occurence of any of a set of characters, starting at a specified index.
static void	main(java.lang.String[] args)
static java.lang.Number	parseNumber(java.lang.String s)
static java.lang.String	replace(java.lang.String subject, java.lang.String original, java.lang.String replacement) Replace all occurences of a string.

Methods inherited from class java.lang.Object

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

Field Detail

INT

private static final int INT

Parse a number from a string. Finds the first recognizable base-10 number (integer or floating point) in the string and returns it as a Number.

FRAC

private static final int FRAC

EXP

private static final int EXP

Constructor Detail

Str

public Str()

Method Detail

indexOfAnyChar

public static int indexOfAnyChar(java.lang.String subject,
                                 java.lang.String chars)

Find first occurence of any of a set of characters.

Parameters:

subject - String in which to search

chars - Characters to search for

Returns:

index of first occurence in subject of a character from chars, or -1 if no match.

indexOfAnyChar

public static int indexOfAnyChar(java.lang.String subject,
                                 java.lang.String chars,
                                 int start)

Find first occurence of any of a set of characters, starting at a specified index.

Parameters:

subject - String in which to search

chars - Characters to search for

start - Starting offset to search from

Returns:

index of first occurence (after start) in subject of a character from chars, or -1 if no match.

replace

public static java.lang.String replace(java.lang.String subject,
                                       java.lang.String original,
                                       java.lang.String replacement)

Replace all occurences of a string.

Parameters:

subject - String in which to search

original - String to search for in subject

replacement - String to substitute

Returns:

subject with all occurences of original replaced by replacement

escape

public static java.lang.String escape(java.lang.String subject,
                                      char escapeChar,
                                      java.lang.String metachars)

Escapes metacharacters in a string.

Parameters:

subject - String in which metacharacters are to be escaped

escapeChar - the escape character (e.g., \)

metachars - the metacharacters that should be escaped

Returns:

subject with escapeChar inserted before every character found in metachars

parseNumber

public static java.lang.Number parseNumber(java.lang.String s)
                                    throws java.lang.NumberFormatException

main

public static void main(java.lang.String[] args)