Package com.singularsys.jep.configurableparser.matchers

Class OperatorTokenMatcher

java.lang.Object
com.singularsys.jep.configurableparser.matchers.OperatorTokenMatcher
All Implemented Interfaces:
TokenMatcher, Serializable
Direct Known Subclasses:
UpperCaseOperatorTokenMatcher
public class OperatorTokenMatcher extends Object implements TokenMatcher
TokenMatcher for matching operators from the operator set.
See Also:

  • Constructor Summary

    Constructors
    Constructor
    Description
    OperatorTokenMatcher()
    Default constructor.

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    init(Jep j)
    Initializes the map and tokens member from the list of operators in the operator table of the Jep instance.
    void
    init(OperatorTableI os)
    Initializes the map and tokens member from the list of operators in the operator table.
    Token
    match(String s)
    Quickly checks whether the first characters of the string match any of the supplied operator strings.
    String
    toString()
     

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • OperatorTokenMatcher

      public OperatorTokenMatcher()
      Default constructor. The operator set is supplied using the init(com.singularsys.jep.Jep) method.

  • Method Details

    • init

      public void init(Jep j)
      Initializes the map and tokens member from the list of operators in the operator table of the Jep instance.
      Specified by:
      init in interface TokenMatcher
      Parameters:
      j - Jep instance

    • init

      public void init(OperatorTableI os)
      Initializes the map and tokens member from the list of operators in the operator table.
      Parameters:
      os - the operator table to initialize with. In Jep 3.5 and later there is one OperatorToken for each alternate symbol.

    • match

      public Token match(String s)
      Quickly checks whether the first characters of the string match any of the supplied operator strings.
      Specified by:
      match in interface TokenMatcher
      Parameters:
      s - the string to match against
      Returns:
      if successful returns the corresponding token, return null if failed to match

    • toString

      public String toString()
      Overrides:
      toString in class Object