Package org.pipservices3.expressions.tokenizers.generic

Class GenericNumberState

java.lang.Object

org.pipservices3.expressions.tokenizers.generic.GenericNumberState

All Implemented Interfaces:

INumberState, ITokenizerState

Direct Known Subclasses:

ExpressionNumberState

public class GenericNumberState
extends Object
implements INumberState

A NumberState object returns a number from a scanner. This state's idea of a number allows an optional, initial minus sign, followed by one or more digits. A decimal point and another string of digits may follow these digits.

Field Summary

Fields

Modifier and Type	Field	Description
protected int	DOT
protected int	MINUS

Constructor Summary

Constructors

Constructor	Description
GenericNumberState()

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

MINUS

protected final int MINUS

See Also:

Constant Field Values

DOT

protected final int DOT

See Also:

Constant Field Values

Constructor Detail

GenericNumberState

public GenericNumberState()

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

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