org.pentaho.reporting.libraries.formula.parser

Class JavaCharStream

java.lang.Object

org.pentaho.reporting.libraries.formula.parser.JavaCharStream

public class JavaCharStream
extends Object

An implementation of interface CharStream, where the stream is assumed to contain only ASCII characters (with java-like unicode escape processing).

Field Summary

Fields

Modifier and Type	Field and Description
int	bufpos
static boolean	staticFlag

Constructor Summary

Constructors

Constructor and Description
JavaCharStream(InputStream dstream)
JavaCharStream(InputStream dstream, int startline, int startcolumn)
JavaCharStream(InputStream dstream, int startline, int startcolumn, int buffersize)
JavaCharStream(Reader dstream)
JavaCharStream(Reader dstream, int startline, int startcolumn)
JavaCharStream(Reader dstream, int startline, int startcolumn, int buffersize)

Method Summary

Modifier and Type	Method and Description
void	adjustBeginLineColumn(int newLine, int newCol) Method to adjust line and column numbers for the start of a token.
void	backup(int amount)
char	BeginToken()
void	Done()
int	getBeginColumn()
int	getBeginLine()
int	getColumn() Deprecated.
int	getEndColumn()
int	getEndLine()
String	GetImage()
int	getLine() Deprecated.
char[]	GetSuffix(int len)
char	readChar()
void	ReInit(InputStream dstream)
void	ReInit(InputStream dstream, int startline, int startcolumn)
void	ReInit(InputStream dstream, int startline, int startcolumn, int buffersize)
void	ReInit(Reader dstream)
void	ReInit(Reader dstream, int startline, int startcolumn)
void	ReInit(Reader dstream, int startline, int startcolumn, int buffersize)

Methods inherited from class java.lang.Object

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

Field Detail

staticFlag

public static final boolean staticFlag

See Also:

Constant Field Values

bufpos

public int bufpos

Constructor Detail

JavaCharStream

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

JavaCharStream

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

JavaCharStream

public JavaCharStream(Reader dstream)

JavaCharStream

public JavaCharStream(InputStream dstream,
                      int startline,
                      int startcolumn,
                      int buffersize)

JavaCharStream

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

JavaCharStream

public JavaCharStream(InputStream dstream)

Method Detail

BeginToken

public char BeginToken()
                throws IOException

Throws:

IOException

readChar

public char readChar()
              throws IOException

Throws:

IOException

getColumn

public int getColumn()

Deprecated.

See Also:

getEndColumn()

getLine

public int getLine()

Deprecated.

See Also:

getEndLine()

getEndColumn

public int getEndColumn()

getEndLine

public int getEndLine()

getBeginColumn

public int getBeginColumn()

getBeginLine

public int getBeginLine()

backup

public void backup(int amount)

ReInit

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

ReInit

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

ReInit

public void ReInit(Reader dstream)

ReInit

public void ReInit(InputStream dstream,
                   int startline,
                   int startcolumn,
                   int buffersize)

ReInit

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

ReInit

public void ReInit(InputStream dstream)

GetImage

public String GetImage()

GetSuffix

public char[] GetSuffix(int len)

Done

public void Done()

adjustBeginLineColumn

public void adjustBeginLineColumn(int newLine,
                                  int newCol)

Method to adjust line and column numbers for the start of a token.