Package de.firemage.autograder.treeg

Class RegExLexer

java.lang.Object

de.firemage.autograder.treeg.RegExLexer

public class RegExLexer
extends Object

Constructor Summary

Constructors

Constructor	Description
RegExLexer(String content)

Method Summary

Modifier and Type	Method	Description
void	backtrack()
char	consumeNext()
void	expect(char c)
void	expect(RegExElementType type)
boolean	hasNext()
boolean	hasNext(int n)
int	length()
void	mark()
char	peek()
char	peek(int offset)
boolean	peekInRange(char min, char max)
RegExElementType	peekType()
RegExElementType	peekType(int offset)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

RegExLexer

public RegExLexer(String content)

Method Details

consumeNext

public char consumeNext()
                 throws InvalidRegExSyntaxException

Throws:

InvalidRegExSyntaxException

peek

public char peek()
          throws InvalidRegExSyntaxException

Throws:

InvalidRegExSyntaxException

peekInRange

public boolean peekInRange(char min,
 char max)
                    throws InvalidRegExSyntaxException

Throws:

InvalidRegExSyntaxException

peek

public char peek(int offset)
          throws InvalidRegExSyntaxException

Throws:

InvalidRegExSyntaxException

hasNext

public boolean hasNext()

hasNext

public boolean hasNext(int n)

peekType

public RegExElementType peekType()
                          throws InvalidRegExSyntaxException

Throws:

InvalidRegExSyntaxException

peekType

public RegExElementType peekType(int offset)
                          throws InvalidRegExSyntaxException

Throws:

InvalidRegExSyntaxException

expect

public void expect(RegExElementType type)
            throws InvalidRegExSyntaxException

Throws:

InvalidRegExSyntaxException

expect

public void expect(char c)
            throws InvalidRegExSyntaxException

Throws:

InvalidRegExSyntaxException

mark

public void mark()

backtrack

public void backtrack()

toString

public String toString()

Overrides:

toString in class Object

length

public int length()