com.singularsys.jep.configurableparser.matchers
Class UpperCaseOperatorTokenMatcher

java.lang.Object
  com.singularsys.jep.configurableparser.matchers.OperatorTokenMatcher
      com.singularsys.jep.configurableparser.matchers.UpperCaseOperatorTokenMatcher

All Implemented Interfaces:

TokenMatcher, java.io.Serializable

public class UpperCaseOperatorTokenMatcher
extends OperatorTokenMatcher

A case insensitive operator token matcher. It converts the input to uppercase before comparing, hence all operators in the OperatorTable must be uppercase.

See Also:

Serialized Form

Constructor Summary

UpperCaseOperatorTokenMatcher()

Method Summary

Token

match(java.lang.String s) Quickly checks whether the first characters of the string match any of the supplied operator strings.

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

init, init, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

UpperCaseOperatorTokenMatcher

public UpperCaseOperatorTokenMatcher()

Method Detail

match

public Token match(java.lang.String s)

Description copied from class: OperatorTokenMatcher

Quickly checks whether the first characters of the string match any of the supplied operator strings.

Specified by:

match in interface TokenMatcher

Overrides:

match in class OperatorTokenMatcher

Parameters:

s - the string to match against

Returns:

if successful returns the corresponding token, return null if failed to match