lolo.scans
Class SimpleIdentifier

java.lang.Object
  |
  +--lolo.Scan
        |
        +--lolo.scans.Scan
              |
              +--lolo.scans.SimpleIdentifier

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

JavaIdentifier

public class SimpleIdentifier

extends Scan

Instances of this class scan for [_a-zA-Z][_a-zA-Z0-9]*.

Author:

Bernd Kühl (bernd@informatik.uni-osnabrueck.de)

See Also:

Serialized Form

Inner classes inherited from class lolo.Scan

Scan.Action, Scan.State

Field Summary

protected boolean

start Marks if the first character is checked.

Fields inherited from class lolo.scans.Scan

reset, stateObject

Fields inherited from class lolo.Scan

action, ignore

Constructor Summary

SimpleIdentifier()

Method Summary

Scan.State	nextChar(char ch) Called by a Scanner for every new character.
void	reset() Resets this instance.
protected boolean	testPart(char ch) Tests the characters.
protected boolean	testStart(char ch) Tests the first character.

Methods inherited from class lolo.scans.Scan

equals, hashCode, toString

Methods inherited from class lolo.Scan

action, getAction, getIgnore, setAction, setIgnore

Methods inherited from class java.lang.Object

, clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

start

protected transient boolean start

Marks if the first character is checked.

Constructor Detail

SimpleIdentifier

public SimpleIdentifier()

Method Detail

reset

public void reset()

Description copied from class: Scan

Resets this instance.

Overrides:

reset in class Scan

testStart

protected boolean testStart(char ch)

Tests the first character.

Parameters:

ch - the first charatcer of the symbol.

Returns:

true if the character is a legal first character.

testPart

protected boolean testPart(char ch)

Tests the characters.

Parameters:

ch - the next charatcer of the symbol.

Returns:

true if the characters are a legal characters.

nextChar

public Scan.State nextChar(char ch)

Description copied from class: Scan

Called by a Scanner for every new character.

Overrides:

nextChar in class Scan

Following copied from class: lolo.Scan

Returns:

a State object to signal whether more characters are wanted and whether a symbol is found.

See Also:

Scan.State, Scanner