gov.nist.core
Class StringTokenizer

java.lang.Object
  gov.nist.core.StringTokenizer

Direct Known Subclasses:

LexerCore

public class StringTokenizer
extends Object

Base string token splitter.

Version:

1.2

Author:

M. Ranganathan

Field Summary

protected char[]	buffer
protected int	bufferLen
protected int	ptr
protected int	savedPtr

Constructor Summary

protected	StringTokenizer()
	StringTokenizer(String buffer)

Method Summary

void	consume()
void	consume(int k)
String	getLine()
Vector<String>	getLines() Get a Vector of the buffer tokenized by lines
char	getNextChar()
String	getNextToken(char delim) Get the next token from the buffer.
static String	getSDPFieldName(String line) get the SDP field name of the line
boolean	hasMoreChars()
static boolean	isAlpha(char ch)
static boolean	isAlphaDigit(char ch)
static boolean	isDigit(char ch)
static boolean	isHexDigit(char ch)
char	lookAhead()
char	lookAhead(int k)
String	nextToken()
String	peekLine()

Methods inherited from class java.lang.Object

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

Field Detail

buffer

protected char[] buffer

bufferLen

protected int bufferLen

ptr

protected int ptr

savedPtr

protected int savedPtr

Constructor Detail

StringTokenizer

protected StringTokenizer()

StringTokenizer

public StringTokenizer(String buffer)

Method Detail

nextToken

public String nextToken()

hasMoreChars

public boolean hasMoreChars()

isHexDigit

public static boolean isHexDigit(char ch)

isAlpha

public static boolean isAlpha(char ch)

isDigit

public static boolean isDigit(char ch)

isAlphaDigit

public static boolean isAlphaDigit(char ch)

getLine

public String getLine()

peekLine

public String peekLine()

lookAhead

public char lookAhead()
               throws ParseException

Throws:

ParseException

lookAhead

public char lookAhead(int k)
               throws ParseException

Throws:

ParseException

getNextChar

public char getNextChar()
                 throws ParseException

Throws:

ParseException

consume

public void consume()

consume

public void consume(int k)

getLines

public Vector<String> getLines()

Get a Vector of the buffer tokenized by lines

getNextToken

public String getNextToken(char delim)
                    throws ParseException

Get the next token from the buffer.

Throws:

ParseException

getSDPFieldName

public static String getSDPFieldName(String line)

get the SDP field name of the line

Returns:

String