org.duelengine.duel.parsing

Class DuelLexer

java.lang.Object

org.duelengine.duel.parsing.DuelLexer

All Implemented Interfaces:

Iterator<DuelToken>

public class DuelLexer
extends Object
implements Iterator<DuelToken>

Processes source text into a token sequence

Constructor Summary

Constructors

Constructor and Description
DuelLexer(Reader input) Ctor
DuelLexer(String text) Ctor

Method Summary

Methods

Modifier and Type	Method and Description
void	clearLastError() Clears the last error
int	getColumn() Gets the current column within the input
int	getIndex() Gets the current index within the input
Throwable	getLastError() Returns the last exception encountered
int	getLine() Gets the current line within the input
boolean	hasNext() Determines if any more tokens are available
DuelToken	next() Returns the next token in the input
void	remove() Altering the input is not supported
ArrayList<DuelToken>	toList() Produces a list of the remaining tokens

Methods inherited from class java.lang.Object

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

Constructor Detail

DuelLexer

public DuelLexer(String text)

Ctor

Parameters:

text -

DuelLexer

public DuelLexer(Reader input)

Ctor

Parameters:

input -

Method Detail

getLine

public int getLine()

Gets the current line within the input

Returns:

getColumn

public int getColumn()

Gets the current column within the input

Returns:

getIndex

public int getIndex()

Gets the current index within the input

Returns:

getLastError

public Throwable getLastError()

Returns the last exception encountered

clearLastError

public void clearLastError()

Clears the last error

hasNext

public boolean hasNext()

Determines if any more tokens are available

Specified by:

hasNext in interface Iterator<DuelToken>

next

public DuelToken next()

Returns the next token in the input

Specified by:

next in interface Iterator<DuelToken>

remove

public void remove()
            throws UnsupportedOperationException

Altering the input is not supported

Specified by:

remove in interface Iterator<DuelToken>

Throws:

UnsupportedOperationException

toList

public ArrayList<DuelToken> toList()

Produces a list of the remaining tokens

Returns: