Package parser

Class Operator

java.lang.Object
parser.Operator
Direct Known Subclasses:
BinaryOperator, Bracket, ListReturningStatsOperator, LogicOperator, LogOrAntiLogToAnyBase, MOperator, NumberReturningStatsOperator, UnaryPostOperator, UnaryPreOperator
public class Operator
extends java.lang.Object
Author:
GBENRO

  • Field Summary

    Fields 
    Modifier and Type Field Description
    static java.lang.String AND  
    static java.lang.String ASSIGN  
    static java.lang.String AT  
    static java.lang.String CLOSE_CIRC_BRAC  
    static java.lang.String CLOSE_SQUARE_BRAC  
    static java.lang.String COLON  
    static java.lang.String COMBINATION  
    static java.lang.String COMMA  
    static java.lang.String CONST  
    static java.lang.String CUBE  
    static java.lang.String CUBE_ROOT  
    static java.lang.String DIVIDE  
    static java.lang.String EN_DASH  
    static java.lang.String EQUALS  
    static java.lang.String EXIT  
    static java.lang.String FACTORIAL  
    static java.lang.String GREATER_OR_EQUALS  
    static java.lang.String GREATER_THAN  
    static java.lang.String INVERSE  
    static java.lang.String LESS_OR_EQUALS  
    static java.lang.String LESS_THAN  
    static java.lang.String MINUS  
    static java.lang.String MULTIPLY  
    protected java.lang.String name
    The name of the operator object
    static java.lang.String OPEN_CIRC_BRAC  
    static java.lang.String OPEN_SQUARE_BRAC  
    static java.lang.String[] operators
    The instruction set of the parser of this software.
    static java.lang.String OR  
    static java.lang.String PERMUTATION  
    static java.lang.String PLUS  
    static java.lang.String POWER  
    static java.lang.String REMAINDER  
    static java.lang.String ROOT  
    static java.lang.String SEMI_COLON  
    static java.lang.String SPACE  
    static java.lang.String SQUARE  
    static java.lang.String STORE  

  • Constructor Summary

    Constructors 
    Constructor Description
    Operator​(java.lang.String name)  

  • Method Summary

    Modifier and Type Method Description
    java.lang.String getName()  
    static Precedence getPrecedence​(java.lang.String name)
    The precedence of the operators
    static boolean isAssignmentOperator​(java.lang.String op)  
    static boolean isAtOperator​(java.lang.String op)  
    static boolean isBinaryOperator​(java.lang.String op)  
    static boolean isBracket​(java.lang.String op)  
    static boolean isClosingBrace​(java.lang.String op)  
    static boolean isClosingBracket​(java.lang.String op)  
    static boolean isColon​(java.lang.String op)  
    static boolean isComma​(java.lang.String op)  
    static boolean isConstantStoreCommand​(java.lang.String op)  
    static boolean isCube​(java.lang.String op)  
    static boolean isCubeRoot​(java.lang.String op)  
    static boolean isEqualsOperator​(java.lang.String op)  
    static boolean isExitCommand​(java.lang.String op)  
    static boolean isFactorial​(java.lang.String op)  
    static boolean isInverse​(java.lang.String op)  
    static boolean isLogicOperator​(java.lang.String op)  
    static boolean isMulOrDiv​(java.lang.String op)  
    static boolean isMulOrDivOrRemOrPermOrCombOrPow​(java.lang.String op)  
    static boolean isOpeningBrace​(java.lang.String op)  
    static boolean isOpeningBracket​(java.lang.String op)  
    static boolean isOperatorString​(java.lang.String op)  
    static boolean isPermOrComb​(java.lang.String op)  
    static boolean isPlusOrMinus​(java.lang.String op)  
    static boolean isPower​(java.lang.String op)  
    static boolean isRemainder​(java.lang.String op)  
    boolean isSemiColon​(java.lang.String op)  
    static boolean isSquare​(java.lang.String op)  
    static boolean isSquareRoot​(java.lang.String op)  
    static boolean isStoreCommand​(java.lang.String op)  
    static boolean isUnaryPostOperator​(java.lang.String op)  
    static boolean isUnaryPreOperator​(java.lang.String op)  
    void setName​(java.lang.String name)  
    static boolean validateAll​(java.util.ArrayList<java.lang.String> scan)  

    Methods inherited from class java.lang.Object

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

  • Field Details

  • Constructor Details

    • Operator

      public Operator​(java.lang.String name)
      Parameters:
      name - creates a new form of a valid mathronian Operator

  • Method Details

    • setName

      public void setName​(java.lang.String name)
      Parameters:
      name - set the name of the Operator object

    • getName

      public java.lang.String getName()
      Returns:
      the name of the Operator object

    • isOperatorString

      public static boolean isOperatorString​(java.lang.String op)
      Parameters:
      op - The string to check.
      Returns:
      true if the operator is a valid mathronian operator

    • isExitCommand

      public static boolean isExitCommand​(java.lang.String op)
      Parameters:
      op - the String object in consideration
      Returns:
      true if the String object contains a exit command

    • isSemiColon

      public boolean isSemiColon​(java.lang.String op)

    • isAtOperator

      public static boolean isAtOperator​(java.lang.String op)

    • isStoreCommand

      public static boolean isStoreCommand​(java.lang.String op)
      Parameters:
      op - the String object in consideration
      Returns:
      true if the String object contains a STORE command

    • isConstantStoreCommand

      public static boolean isConstantStoreCommand​(java.lang.String op)
      Parameters:
      op - the String object in consideration
      Returns:
      true if the String object contains a constant storage command

    • isOpeningBrace

      public static boolean isOpeningBrace​(java.lang.String op)
      Parameters:
      op - the String object in consideration
      Returns:
      true if the String object represents a [ character

    • isClosingBrace

      public static boolean isClosingBrace​(java.lang.String op)
      Parameters:
      op - the String object in consideration
      Returns:
      true if the String object represents a [ character

    • isColon

      public static boolean isColon​(java.lang.String op)
      Parameters:
      op - the String object in consideration
      Returns:
      true if the String object represents a : character This operator is used to mark the end-point of Variable initialization e.g [A=2,AA=3,acy=8.838383]:3A+6AA-8acy This instructs the parser to initialize the variables A, AA, acy with the values given and then evaluate the expression

    • isLogicOperator

      public static boolean isLogicOperator​(java.lang.String op)
      Parameters:
      op - the String to check
      Returns:
      true if the operator is a logic operator the logic operators defined here are ==,<e;,>e;,<,>,|,&

    • isEqualsOperator

      public static boolean isEqualsOperator​(java.lang.String op)
      Parameters:
      op - the String to check
      Returns:
      true if the operator is the EQUALS operator

    • isAssignmentOperator

      public static boolean isAssignmentOperator​(java.lang.String op)
      Parameters:
      op - the String to check
      Returns:
      true if the operator is the ASSIGN operator it means that we assign or store the value of the RHS in the LHS and so the LHS must represent a valid variable

    • isBinaryOperator

      public static boolean isBinaryOperator​(java.lang.String op)
      Parameters:
      op - the String to check
      Returns:
      true if the operator is an operator that functions in between 2 numbers or variables i.e,+,-,*,/,^,%,Č,Р

    • isPlusOrMinus

      public static boolean isPlusOrMinus​(java.lang.String op)
      Parameters:
      op - the String to check
      Returns:
      true if the operator is the + operator or is the - operator the form is log-¹(num,base)

    • isMulOrDiv

      public static boolean isMulOrDiv​(java.lang.String op)
      Parameters:
      op - the String to check
      Returns:
      true if the operator is the / operator or is the * operator the form is log-¹(num,base)

    • isPermOrComb

      public static boolean isPermOrComb​(java.lang.String op)
      Parameters:
      op - the String to check
      Returns:
      true if the operator is the permutation operator or is the combination operator the form is log-¹(num,base)

    • isMulOrDivOrRemOrPermOrCombOrPow

      public static boolean isMulOrDivOrRemOrPermOrCombOrPow​(java.lang.String op)
      Parameters:
      op - the String to check
      Returns:
      true if the operator is the + operator or is the - operator the form is log-¹(num,base)

    • isRemainder

      public static boolean isRemainder​(java.lang.String op)
      Parameters:
      op - the String to check
      Returns:
      true if the operator is the REMAINDER operator

    • isPower

      public static boolean isPower​(java.lang.String op)
      Parameters:
      op - the String to check
      Returns:
      true if the operator is the POWER operator

    • isBracket

      public static boolean isBracket​(java.lang.String op)
      Parameters:
      op - the String to check
      Returns:
      true if the operator is the OPEN_CIRC_BRAC or the CLOSE_CIRC_BRAC operator

    • isOpeningBracket

      public static boolean isOpeningBracket​(java.lang.String op)
      Parameters:
      op - the String to check
      Returns:
      true if the operator is the OPEN_CIRC_BRAC operator

    • isClosingBracket

      public static boolean isClosingBracket​(java.lang.String op)
      Parameters:
      op - the String to check
      Returns:
      true if the operator is the CLOSE_CIRC_BRAC operator

    • isFactorial

      public static boolean isFactorial​(java.lang.String op)
      Parameters:
      op - the String to check
      Returns:
      true if the operator is the FACTORIAL operator

    • isInverse

      public static boolean isInverse​(java.lang.String op)
      Parameters:
      op - the String to check
      Returns:
      true if the operator is the INVERSE operator

    • isSquareRoot

      public static boolean isSquareRoot​(java.lang.String op)
      Parameters:
      op - the String to check
      Returns:
      true if the operator is the ROOT operator

    • isCubeRoot

      public static boolean isCubeRoot​(java.lang.String op)
      Parameters:
      op - the String to check
      Returns:
      true if the operator is the "³√" operator

    • isSquare

      public static boolean isSquare​(java.lang.String op)
      Parameters:
      op - the String to check
      Returns:
      true if the operator is the SQUARE operator

    • isCube

      public static boolean isCube​(java.lang.String op)
      Parameters:
      op - the String to check
      Returns:
      true if the operator is the CUBE operator

    • isUnaryPreOperator

      public static boolean isUnaryPreOperator​(java.lang.String op)
      Parameters:
      op - the String to check
      Returns:
      true if the operator is a pre-number operator e.g the trig operators,exponential operators,logarithmic operators(not to any base)

    • isUnaryPostOperator

      public static boolean isUnaryPostOperator​(java.lang.String op)
      Parameters:
      op - the String to check
      Returns:
      true if the operator is a post number operator e.g the inverse operator,the factorial,the square and the cube

    • isComma

      public static boolean isComma​(java.lang.String op)
      Parameters:
      op - the String to check
      Returns:
      true if the operator is the comma(,) operator

    • getPrecedence

      public static Precedence getPrecedence​(java.lang.String name)
      The precedence of the operators
      Parameters:
      name - the name of the Operator object
      Returns:
      the Operator's Precedence attribute

    • validateAll

      public static boolean validateAll​(java.util.ArrayList<java.lang.String> scan)
      Parameters:
      scan - An ArrayList object containing a scanned function.
      Returns:
      true if validated