uk.ac.manchester.cs

Class JavaCharStream

java.lang.Object

uk.ac.manchester.cs.JavaCharStream

public class JavaCharStream
extends Object

JavaCC generated JavaCharStream with added treatment for BOMs

Field Summary

Fields

Modifier and Type	Field and Description
protected int[]	bufcolumn
protected char[]	buffer
protected int[]	bufline
int	bufpos Position in buffer.
protected int	column
protected int	inBuf
protected Reader	inputStream
protected int	line
protected int	maxNextCharInd
protected char[]	nextCharBuf
protected int	nextCharInd
protected boolean	prevCharIsCR
protected boolean	prevCharIsLF
static boolean	staticFlag Whether parser is static.
protected int	tabSize

Constructor Summary

Constructors

Constructor and Description
JavaCharStream(InputStream dstream, String encoding, int startline, int startcolumn) Constructor.
JavaCharStream(Reader dstream, int startline, int startcolumn) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
void	backup(int amount) Retreat.
char	BeginToken()
int	getBeginColumn()
int	getBeginLine()
int	getEndColumn() Get end column.
int	getEndLine() Get end line.
String	GetImage()
char	readChar() Read a character.
void	ReInit(InputStream dstream, String encoding, int startline, int startcolumn) Reinitialise.
void	ReInit(Reader dstream, int startline, int startcolumn) Reinitialise.

Methods inherited from class java.lang.Object

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

Field Detail

staticFlag

public static final boolean staticFlag

Whether parser is static.

See Also:

Constant Field Values

bufpos

public int bufpos

Position in buffer.

bufline

protected int[] bufline

bufcolumn

protected int[] bufcolumn

column

protected int column

line

protected int line

prevCharIsCR

protected boolean prevCharIsCR

prevCharIsLF

protected boolean prevCharIsLF

inputStream

protected Reader inputStream

nextCharBuf

protected char[] nextCharBuf

buffer

protected char[] buffer

maxNextCharInd

protected int maxNextCharInd

nextCharInd

protected int nextCharInd

inBuf

protected int inBuf

tabSize

protected int tabSize

Constructor Detail

JavaCharStream

public JavaCharStream(Reader dstream,
              int startline,
              int startcolumn)

Constructor.

JavaCharStream

public JavaCharStream(InputStream dstream,
              String encoding,
              int startline,
              int startcolumn)
               throws UnsupportedEncodingException

Constructor.

Throws:

UnsupportedEncodingException

Method Detail

BeginToken

public char BeginToken()
                throws IOException

Returns:

starting character for token.

Throws:

IOException

readChar

public char readChar()
              throws IOException

Read a character.

Returns:

Throws:

IOException

getEndColumn

public int getEndColumn()

Get end column.

getEndLine

public int getEndLine()

Get end line.

getBeginColumn

public int getBeginColumn()

Returns:

column of token start

getBeginLine

public int getBeginLine()

Returns:

line number of token start

backup

public void backup(int amount)

Retreat.

ReInit

public void ReInit(Reader dstream,
          int startline,
          int startcolumn)

Reinitialise.

ReInit

public void ReInit(InputStream dstream,
          String encoding,
          int startline,
          int startcolumn)
            throws UnsupportedEncodingException

Reinitialise.

Throws:

UnsupportedEncodingException

GetImage

public String GetImage()

Returns:

token image as String