psdi.common.parse

Class JavaCharStream

java.lang.Object

psdi.common.parse.JavaCharStream

public class JavaCharStream
extends java.lang.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 Position in buffer.
static boolean	staticFlag Whether parser is static.

Constructor Summary

Constructors

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

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) Retreat.
char	BeginToken()
void	Done() Set buffers back to null when finished.
int	getBeginColumn()
int	getBeginLine()
int	getColumn() Deprecated.
int	getEndColumn() Get end column.
int	getEndLine() Get end line.
java.lang.String	GetImage()
int	getLine() Deprecated.
char[]	GetSuffix(int len)
char	readChar() Read a character.
void	ReInit(java.io.InputStream dstream) Reinitialise.
void	ReInit(java.io.InputStream dstream, int startline, int startcolumn) Reinitialise.
void	ReInit(java.io.InputStream dstream, int startline, int startcolumn, int buffersize) Reinitialise.
void	ReInit(java.io.InputStream dstream, java.lang.String encoding) Reinitialise.
void	ReInit(java.io.InputStream dstream, java.lang.String encoding, int startline, int startcolumn) Reinitialise.
void	ReInit(java.io.InputStream dstream, java.lang.String encoding, int startline, int startcolumn, int buffersize) Reinitialise.
void	ReInit(java.io.Reader dstream) Reinitialise.
void	ReInit(java.io.Reader dstream, int startline, int startcolumn) Reinitialise.
void	ReInit(java.io.Reader dstream, int startline, int startcolumn, int buffersize) Reinitialise.

Methods inherited from class java.lang.Object

equals, 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.

Constructor Detail

JavaCharStream

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

Constructor.

JavaCharStream

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

Constructor.

JavaCharStream

public JavaCharStream(java.io.Reader dstream)

Constructor.

JavaCharStream

public JavaCharStream(java.io.InputStream dstream,
                      java.lang.String encoding,
                      int startline,
                      int startcolumn,
                      int buffersize)
               throws java.io.UnsupportedEncodingException

Constructor.

Throws:

java.io.UnsupportedEncodingException

JavaCharStream

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

Constructor.

JavaCharStream

public JavaCharStream(java.io.InputStream dstream,
                      java.lang.String encoding,
                      int startline,
                      int startcolumn)
               throws java.io.UnsupportedEncodingException

Constructor.

Throws:

java.io.UnsupportedEncodingException

JavaCharStream

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

Constructor.

JavaCharStream

public JavaCharStream(java.io.InputStream dstream,
                      java.lang.String encoding)
               throws java.io.UnsupportedEncodingException

Constructor.

Throws:

java.io.UnsupportedEncodingException

JavaCharStream

public JavaCharStream(java.io.InputStream dstream)

Constructor.

Method Detail

BeginToken

public char BeginToken()
                throws java.io.IOException

Returns:

starting character for token.

Throws:

java.io.IOException

readChar

public char readChar()
              throws java.io.IOException

Read a character.

Throws:

java.io.IOException

getColumn

@Deprecated
public int getColumn()

Deprecated.

getLine

@Deprecated
public int getLine()

Deprecated.

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

Reinitialise.

ReInit

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

Reinitialise.

ReInit

public void ReInit(java.io.Reader dstream)

Reinitialise.

ReInit

public void ReInit(java.io.InputStream dstream,
                   java.lang.String encoding,
                   int startline,
                   int startcolumn,
                   int buffersize)
            throws java.io.UnsupportedEncodingException

Reinitialise.

Throws:

java.io.UnsupportedEncodingException

ReInit

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

Reinitialise.

ReInit

public void ReInit(java.io.InputStream dstream,
                   java.lang.String encoding,
                   int startline,
                   int startcolumn)
            throws java.io.UnsupportedEncodingException

Reinitialise.

Throws:

java.io.UnsupportedEncodingException

ReInit

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

Reinitialise.

ReInit

public void ReInit(java.io.InputStream dstream,
                   java.lang.String encoding)
            throws java.io.UnsupportedEncodingException

Reinitialise.

Throws:

java.io.UnsupportedEncodingException

ReInit

public void ReInit(java.io.InputStream dstream)

Reinitialise.

GetImage

public java.lang.String GetImage()

Returns:

token image as String

GetSuffix

public char[] GetSuffix(int len)

Returns:

suffix

Done

public void Done()

Set buffers back to null when finished.

adjustBeginLineColumn

public void adjustBeginLineColumn(int newLine,
                                  int newCol)

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