scanner
Class Scanner

java.lang.Object
  scanner.Scanner

public class Scanner
extends java.lang.Object

A scanner is able to separate tokens from an input stream, following states defined in a finale state automata.

Scanner

public Scanner(java.lang.String charStreamValue)

Creates a new scanner to scan the specified string.

Parameters:

charStreamValue - A string to be scanned.

Scanner

public Scanner(java.io.Reader stream)

Creates a new scanner to scan the specified stream

Parameters:

stream - The stream to be scanned.

Scanner

public Scanner()

Creates a new scanner.

init

public void init(java.lang.String charStreamValue)

Inits this scanner to be able to perform a scan on the given string

Parameters:

charStreamValue - A string to be scanned.

init

public void init(java.io.Reader readerStream)

Inits this scanner to be able to perform a scan on the given stream

Parameters:

readerStream - The stream to be scanned.

addListener

public void addListener(ScannerListenerInterface listener)

Adds a listener to this scanner.

Parameters:

listener - The listener to be added to this scanner.

removeListener

public void removeListener(ScannerListenerInterface listener)

Removes a listener from this scanner.

Parameters:

listener - The listener to be removed from this scanner.

nextToken

public Token nextToken()
                throws NoSuchTokenException

Returns the next token encountered.

Returns:

The next token encountered.

Throws:

Thrown - if there's no next valid token.

NoSuchTokenException

hasNext

public boolean hasNext()

Returns true if there's any character left.

Returns:

true if there's any character left, false otherwise.

getFinaleStateAutomata

public FinaleStateAutomata getFinaleStateAutomata()

Returns the current finale state automata currently used to separate tokens.

Returns:

the current finale state automata currently used to separate tokens.

setFinaleStateAutomata

public void setFinaleStateAutomata(FinaleStateAutomata fsa)

getPosition

public CharStreamPosition getPosition()

Returns the position of the scanner if the input stream.

Returns:

The position of the scanner if the input stream. The last processed character position.

getCurrentLine

public java.lang.String getCurrentLine()