com.singularsys.jep.configurableparser.matchers
Class NumberTokenMatcher

java.lang.Object
  com.singularsys.jep.configurableparser.matchers.RegExpTokenMatcher
      com.singularsys.jep.configurableparser.matchers.NumberTokenMatcher

All Implemented Interfaces:

TokenBuilder, TokenMatcher, java.io.Serializable

public class NumberTokenMatcher
extends RegExpTokenMatcher

Matches numbers. The jep NumberFactory is used to create the number.

See Also:

Serialized Form

Constructor Summary

NumberTokenMatcher(java.util.regex.Pattern pattern)

NumberTokenMatcher(java.lang.String regex)

Method Summary

Token	buildToken(java.lang.String s) Builds a token following a successful match.
static NumberTokenMatcher	defaultNumberTokenMatcher() Factory to create a matcher for decimal number without exponents
static NumberTokenMatcher	exponentNumberTokenMatcher() Factory to create a matcher for decimal number with or without exponents
void	init(Jep jep) Initialize the matcher when the Jep instance is known.

Methods inherited from class com.singularsys.jep.configurableparser.matchers.RegExpTokenMatcher

match

Methods inherited from class java.lang.Object

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

Constructor Detail

NumberTokenMatcher

public NumberTokenMatcher(java.util.regex.Pattern pattern)

NumberTokenMatcher

public NumberTokenMatcher(java.lang.String regex)

Method Detail

buildToken

public Token buildToken(java.lang.String s)

Description copied from class: RegExpTokenMatcher

Builds a token following a successful match. Note new objects should be created each time as error reporting information is later attached to tokens.

Specified by:

buildToken in interface TokenBuilder

Specified by:

buildToken in class RegExpTokenMatcher

Parameters:

s - String representing the completed matched token

Returns:

the appropriate type of token.

defaultNumberTokenMatcher

public static NumberTokenMatcher defaultNumberTokenMatcher()

Factory to create a matcher for decimal number without exponents

Returns:

the matcher

exponentNumberTokenMatcher

public static NumberTokenMatcher exponentNumberTokenMatcher()

Factory to create a matcher for decimal number with or without exponents

Returns:

the matcher

init

public void init(Jep jep)

Description copied from interface: TokenMatcher

Initialize the matcher when the Jep instance is known.