com.jeffpalm.javaparser
Class JavaCharStream

java.lang.Object
  com.jeffpalm.javaparser.CharStream
      com.jeffpalm.javaparser.JavaCharStream

public class JavaCharStream
extends CharStream

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

Since:

2.8.00

Version:

$Id: JavaCharStream.java,v 1.1 2005/01/09 18:51:46 jeffpalm Exp $

Author:

Mike Atkinson

Field Summary

protected char[]	nextCharBuf
protected int	nextCharInd

Fields inherited from class com.jeffpalm.javaparser.CharStream

ASCII, available, bufcolumn, buffer, bufline, bufpos, bufsize, column, FULL_CHAR, inBuf, inputStream, JAVA_LIKE, line, maxNextCharInd, prevCharIsCR, prevCharIsLF, staticFlag, tokenBegin, UNICODE

Constructor Summary

JavaCharStream(java.io.Reader dstream)

JavaCharStream(java.io.Reader dstream, int startline, int startcolumn, int buffersize)

Method Summary

void	adjustBeginLineColumn(int newLine, int newCol) Method to adjust line and column numbers for the start of a token.
protected void	AdjustBuffSize()
void	backup(int amount) Description of the Method
char	BeginToken() Description of the Method
void	Done()
protected void	ExpandBuff(boolean wrapAround)
protected void	FillBuff()
java.lang.String	GetImage() Description of the Method
char[]	GetSuffix(int len) Description of the Method
char	readChar() Description of the Method
protected char	ReadChar()
void	ReInit(java.io.Reader dstream, int startline, int startcolumn, int buffersize) Description of the Method
protected void	UpdateLineColumn(char c)

Methods inherited from class com.jeffpalm.javaparser.CharStream

getBeginColumn, getBeginLine, getColumn, getEndColumn, getEndLine, getLine, make, make, make, make, ReInit, ReInit, ReInit, setCharStreamType

Methods inherited from class java.lang.Object

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

Field Detail

nextCharBuf

protected char[] nextCharBuf

nextCharInd

protected int nextCharInd

Constructor Detail

JavaCharStream

public JavaCharStream(java.io.Reader dstream)

JavaCharStream

public JavaCharStream(java.io.Reader dstream,
                      int startline,
                      int startcolumn,
                      int buffersize)

Method Detail

ExpandBuff

protected void ExpandBuff(boolean wrapAround)

FillBuff

protected void FillBuff()
                 throws java.io.IOException

Throws:

java.io.IOException

ReadChar

protected char ReadChar()
                 throws java.io.IOException

Throws:

java.io.IOException

BeginToken

public char BeginToken()
                throws java.io.IOException

Description copied from class: CharStream

Description of the Method

Overrides:

BeginToken in class CharStream

Returns:

Description of the Returned Value

Throws:

java.io.IOException - Description of Exception

AdjustBuffSize

protected void AdjustBuffSize()

UpdateLineColumn

protected void UpdateLineColumn(char c)

readChar

public char readChar()
              throws java.io.IOException

Description copied from class: CharStream

Description of the Method

Specified by:

readChar in class CharStream

Returns:

Description of the Returned Value

Throws:

java.io.IOException - Description of Exception

backup

public void backup(int amount)

Description copied from class: CharStream

Description of the Method

Specified by:

backup in class CharStream

Parameters:

amount - Description of Parameter

ReInit

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

Description copied from class: CharStream

Description of the Method

Specified by:

ReInit in class CharStream

Parameters:

dstream - Description of Parameter

startline - Description of Parameter

startcolumn - Description of Parameter

buffersize - Description of Parameter

GetImage

public java.lang.String GetImage()

Description copied from class: CharStream

Description of the Method

Specified by:

GetImage in class CharStream

Returns:

Description of the Returned Value

GetSuffix

public char[] GetSuffix(int len)

Description copied from class: CharStream

Description of the Method

Specified by:

GetSuffix in class CharStream

Parameters:

len - Description of Parameter

Returns:

Description of the Returned Value

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.

Specified by:

adjustBeginLineColumn in class CharStream

Parameters:

newLine - Description of Parameter

newCol - Description of Parameter