Class UCode_CharStream

java.lang.Object

org.apache.derby.impl.tools.ij.UCode_CharStream

All Implemented Interfaces:

org.apache.derby.impl.tools.ij.CharStream

public final class UCode_CharStream
extends Object
implements org.apache.derby.impl.tools.ij.CharStream

An implementation of interface CharStream, where the stream is assumed to contain only Unicode characters.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) int	available
private int[]	bufcolumn
private char[]	buffer
private int[]	bufline
int	bufpos
(package private) int	bufsize
private int	column
private int	inBuf
private Reader	inputStream
private int	line
private int	maxNextCharInd
private char[]	nextCharBuf
private int	nextCharInd
private boolean	prevCharIsCR
private boolean	prevCharIsLF
static final boolean	staticFlag
private int	tabSize
(package private) int	tokenBegin
private boolean	trackLineColumn

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
void	adjustBeginLineColumn(int newLine, int newCol)	Method to adjust line and column numbers for the start of a token.
final void	backup(int amount)
char	BeginToken()
void	Done()
private final void	ExpandBuff(boolean wrapAround)
private final void	FillBuff()
final int	getBeginColumn()
final int	getBeginLine()
final int	getColumn()	Deprecated.
final int	getEndColumn()
final int	getEndLine()
final String	GetImage()
final int	getLine()	Deprecated.
final char[]	GetSuffix(int len)
int	getTabSize()
boolean	getTrackLineColumn()
final char	readChar()
private final char	ReadChar()
void	ReInit(InputStream dstream, int startline, int startcolumn)
void	ReInit(InputStream dstream, int startline, int startcolumn, int buffersize)
void	ReInit(Reader dstream, int startline, int startcolumn)
void	ReInit(Reader dstream, int startline, int startcolumn, int buffersize)
void	setTabSize(int i)
void	setTrackLineColumn(boolean tlc)
private final void	UpdateLineColumn(char c)

Methods inherited from class Object

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

Field Details

staticFlag

public static final boolean staticFlag

See Also:

• Constant Field Values

bufpos

public int bufpos

bufsize

int bufsize

available

int available

tokenBegin

int tokenBegin

bufline

private int[] bufline

bufcolumn

private int[] bufcolumn

column

private int column

line

private int line

prevCharIsCR

private boolean prevCharIsCR

prevCharIsLF

private boolean prevCharIsLF

inputStream

private Reader inputStream

nextCharBuf

private char[] nextCharBuf

buffer

private char[] buffer

maxNextCharInd

private int maxNextCharInd

nextCharInd

private int nextCharInd

tabSize

private int tabSize

trackLineColumn

private boolean trackLineColumn

inBuf

private int inBuf

Constructor Details

UCode_CharStream

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

UCode_CharStream

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

UCode_CharStream

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

UCode_CharStream

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

Method Details

ExpandBuff

private final void ExpandBuff(boolean wrapAround)

FillBuff

private final void FillBuff()
                     throws IOException

Throws:

IOException

ReadChar

private final char ReadChar()
                     throws IOException

Throws:

IOException

BeginToken

public char BeginToken()
                throws IOException

Specified by:

BeginToken in interface org.apache.derby.impl.tools.ij.CharStream

Throws:

IOException

UpdateLineColumn

private final void UpdateLineColumn(char c)

readChar

public final char readChar()
                    throws IOException

Specified by:

readChar in interface org.apache.derby.impl.tools.ij.CharStream

Throws:

IOException

getColumn

public final int getColumn()

Deprecated.

Specified by:

getColumn in interface org.apache.derby.impl.tools.ij.CharStream

See Also:

• getEndColumn()

getLine

public final int getLine()

Deprecated.

Specified by:

getLine in interface org.apache.derby.impl.tools.ij.CharStream

See Also:

• getEndLine()

getEndColumn

public final int getEndColumn()

Specified by:

getEndColumn in interface org.apache.derby.impl.tools.ij.CharStream

getEndLine

public final int getEndLine()

Specified by:

getEndLine in interface org.apache.derby.impl.tools.ij.CharStream

getBeginColumn

public final int getBeginColumn()

Specified by:

getBeginColumn in interface org.apache.derby.impl.tools.ij.CharStream

getBeginLine

public final int getBeginLine()

Specified by:

getBeginLine in interface org.apache.derby.impl.tools.ij.CharStream

backup

public final void backup(int amount)

Specified by:

backup in interface org.apache.derby.impl.tools.ij.CharStream

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

ReInit

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

GetImage

public final String GetImage()

Specified by:

GetImage in interface org.apache.derby.impl.tools.ij.CharStream

GetSuffix

public final char[] GetSuffix(int len)

Specified by:

GetSuffix in interface org.apache.derby.impl.tools.ij.CharStream

Done

public void Done()

Specified by:

Done in interface org.apache.derby.impl.tools.ij.CharStream

adjustBeginLineColumn

public void adjustBeginLineColumn(int newLine,
 int newCol)

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

getTabSize

public int getTabSize()

Specified by:

getTabSize in interface org.apache.derby.impl.tools.ij.CharStream

setTabSize

public void setTabSize(int i)

Specified by:

setTabSize in interface org.apache.derby.impl.tools.ij.CharStream

getTrackLineColumn

public boolean getTrackLineColumn()

Specified by:

getTrackLineColumn in interface org.apache.derby.impl.tools.ij.CharStream

setTrackLineColumn

public void setTrackLineColumn(boolean tlc)

Specified by:

setTrackLineColumn in interface org.apache.derby.impl.tools.ij.CharStream