Package org.mariuszgromada.math.mxparser.parsertokens

Class Token

java.lang.Object

org.mariuszgromada.math.mxparser.parsertokens.Token

All Implemented Interfaces:

Serializable

public class Token
extends Object
implements Serializable

Token recognized by mXparser after string tokenization process.

Version:

5.2.0

Author:

Mariusz Gromada
MathParser.org - mXparser project page
mXparser on GitHub
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info@mathparser.org
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See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
String	keyWord	Key word string (if matched)
String	looksLike	If token was not matched then looksLike functionality is trying asses the kind of token
static int	NOT_MATCHED	Indicator that token was not matched
int	tokenId	Token identifier
int	tokenLevel	Token level
String	tokenStr	String token
int	tokenTypeId	Token type
double	tokenValue	Token value if number

Constructor Summary

Constructors

Constructor	Description
Token()	Default constructor

Method Summary

Modifier and Type	Method	Description
Token	clone()	Token cloning.
static String	getTokenTypeDescription(int tokenTypeId)	Returns token type description.
boolean	isBinaryOperator()	Verification if the token is a binary operator.
boolean	isIdentifier()	Verification if the token is an identifier.
boolean	isLeftParenthesis()	Verification if the token is a left parenthesis.
boolean	isNumber()	Verification if the token is a number.
boolean	isParameterSeparator()	Verification if the token is a parameter separator.
boolean	isRightParenthesis()	Verification if the token is a right parenthesis.
boolean	isSpecialTokenName()	Verification if the token is represented by a special name in the form [...].
boolean	isUnaryLeftOperator()	Verification if the token is a left unary operator.
boolean	isUnaryRightOperator()	Verification if the token is a right unary operator.
boolean	isUnicodeRootOperator()	Verification if the token represents unicode root operator
static Token	makeMultiplyToken()	Creates token representing multiplication operator.

Methods inherited from class java.lang.Object

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

Field Detail

NOT_MATCHED

public static final int NOT_MATCHED

Indicator that token was not matched

See Also:

Constant Field Values

tokenStr

public String tokenStr

String token

keyWord

public String keyWord

Key word string (if matched)

tokenId

public int tokenId

Token identifier

tokenTypeId

public int tokenTypeId

Token type

tokenLevel

public int tokenLevel

Token level

tokenValue

public double tokenValue

Token value if number

looksLike

public String looksLike

If token was not matched then looksLike functionality is trying asses the kind of token

Constructor Detail

Token

public Token()

Default constructor

Method Detail

isUnaryLeftOperator

public boolean isUnaryLeftOperator()

Verification if the token is a left unary operator.

Returns:

true in case token is unary left operator, otherwise returns false

isUnaryRightOperator

public boolean isUnaryRightOperator()

Verification if the token is a right unary operator.

Returns:

true in case token is unary right operator, otherwise returns false

isLeftParenthesis

public boolean isLeftParenthesis()

Verification if the token is a left parenthesis.

Returns:

true in case token is a left parenthesis, otherwise returns false

isRightParenthesis

public boolean isRightParenthesis()

Verification if the token is a right parenthesis.

Returns:

true in case token is a right parenthesis, otherwise returns false

isIdentifier

public boolean isIdentifier()

Verification if the token is an identifier.

Returns:

true in case token is an identifier, otherwise returns false

isBinaryOperator

public boolean isBinaryOperator()

Verification if the token is a binary operator.

Returns:

true in case token is a binary operator, otherwise returns false

isParameterSeparator

public boolean isParameterSeparator()

Verification if the token is a parameter separator.

Returns:

true in case token is a parameter separator, otherwise returns false

isNumber

public boolean isNumber()

Verification if the token is a number.

Returns:

true in case token is a number, otherwise returns false

isSpecialTokenName

public boolean isSpecialTokenName()

Verification if the token is represented by a special name in the form [...].

Returns:

true in case token is represented by a special name in the form [...], otherwise returns false

isUnicodeRootOperator

public boolean isUnicodeRootOperator()

Verification if the token represents unicode root operator

Returns:

true in case token represents unicode root operator otherwise returns false

makeMultiplyToken

public static Token makeMultiplyToken()

Creates token representing multiplication operator.

Returns:

token representing multiplication operator.

getTokenTypeDescription

public static String getTokenTypeDescription(int tokenTypeId)

Returns token type description.

Parameters:

tokenTypeId - Token type id

Returns:

String representing token type description.

clone

public Token clone()

Token cloning.

Overrides:

clone in class Object