NumberTokenMatcher

java.lang.Object

com.singularsys.jep.configurableparser.matchers.RegExpTokenMatcher

com.singularsys.jep.configurableparser.matchers.NumberTokenMatcher

All Implemented Interfaces:: TokenBuilder, TokenMatcher, Serializable

public class NumberTokenMatcher extends RegExpTokenMatcher

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

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor

Description

NumberTokenMatcher(Pattern pattern)

NumberTokenMatcher(String regex)
Method Summary

Modifier and Type

Method

Description

Token

buildToken(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 Details
- NumberTokenMatcher
  
  public NumberTokenMatcher(Pattern pattern)
- NumberTokenMatcher
  
  public NumberTokenMatcher(String regex)
Method Details
- buildToken
  
  public Token buildToken(String s) throws ParseException
  
  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.
  
  Throws:
  
  ParseException
- 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.
  
  Parameters:
  
  jep - Jep instance