Package org.pipservices3.expressions.calculator.tokenizers

Class ExpressionNumberState

java.lang.Object

org.pipservices3.expressions.tokenizers.generic.GenericNumberState

org.pipservices3.expressions.calculator.tokenizers.ExpressionNumberState

All Implemented Interfaces:

INumberState, ITokenizerState

public class ExpressionNumberState
extends GenericNumberState

Implements an Expression-specific number state object.

Field Summary

Fields

Modifier and Type	Field	Description
protected int	EXP1
protected int	EXP2
protected int	PLUS

Fields inherited from class org.pipservices3.expressions.tokenizers.generic.GenericNumberState

DOT, MINUS

Constructor Summary

Constructors

Constructor	Description
ExpressionNumberState()

Method Summary

Modifier and Type	Method	Description
Token	nextToken(IScanner scanner, ITokenizer tokenizer)	Gets the next token from the stream started from the character linked to this state.

Methods inherited from class java.lang.Object

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

Field Detail

PLUS

protected final int PLUS

See Also:

Constant Field Values

EXP1

protected final int EXP1

See Also:

Constant Field Values

EXP2

protected final int EXP2

See Also:

Constant Field Values

Constructor Detail

ExpressionNumberState

public ExpressionNumberState()

Method Detail

nextToken

public Token nextToken(IScanner scanner,
                       ITokenizer tokenizer)
                throws Exception

Gets the next token from the stream started from the character linked to this state.

Specified by:

nextToken in interface ITokenizerState

Overrides:

nextToken in class GenericNumberState

Parameters:

scanner - A textual string to be tokenized.

tokenizer - A tokenizer class that controls the process.

Returns:

The next token from the top of the stream.

Throws:

Exception