Package com.adobe.fontengine.font.postscript

Class Tokenizer

java.lang.Object

com.adobe.fontengine.font.postscript.Tokenizer

public final class Tokenizer
extends java.lang.Object

A postscript tokenizer.

Synchronization

This class is NOT threadsafe. Multiple instances can safely coexist without threadsafety issues, but each must only be accessed from one thread (or must be guarded by the client).

Constructor Summary

Constructors

Constructor	Description
Tokenizer(FontInputStream is)

Method Summary

Modifier and Type	Method	Description
static byte	digitValue(byte c)
byte[]	findOptionalTokensAtStartOfLine(byte[][] tokenToFind)	Looks for one of the tokens in tokenToFind in the current stream.
void	findToken(byte[] tokenToFind)
Token	getNextPSToken()
static boolean	isDelimiter(int c)
static boolean	isDigit(int c)
static boolean	isExponent(int c)
static boolean	isHex(int c)
static boolean	isNewLine(int c)
static boolean	isRadix(int c, int b)
static boolean	isSign(int c)
static boolean	isWhite(int c)
int	read()
void	setReader(Reader newReader)

Methods inherited from class java.lang.Object

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

Constructor Detail

Tokenizer

public Tokenizer(FontInputStream is)

Method Detail

isWhite

public static final boolean isWhite(int c)

isNewLine

public static final boolean isNewLine(int c)

isDelimiter

public static final boolean isDelimiter(int c)

isSign

public static final boolean isSign(int c)

isExponent

public static final boolean isExponent(int c)

isDigit

public static final boolean isDigit(int c)

isHex

public static final boolean isHex(int c)

isRadix

public static final boolean isRadix(int c,
                                    int b)

digitValue

public static final byte digitValue(byte c)

getNextPSToken

public Token getNextPSToken()
                     throws InvalidFontException,
                            java.io.IOException,
                            java.lang.IndexOutOfBoundsException

Throws:

InvalidFontException

java.io.IOException

java.lang.IndexOutOfBoundsException

findToken

public void findToken(byte[] tokenToFind)
               throws java.io.IOException,
                      InvalidFontException

Throws:

java.io.IOException

InvalidFontException

findOptionalTokensAtStartOfLine

public byte[] findOptionalTokensAtStartOfLine(byte[][] tokenToFind)
                                       throws java.io.IOException,
                                              InvalidFontException

Looks for one of the tokens in tokenToFind in the current stream. Will read until the end of the stream if none of the tokens is found.

Parameters:

tokenToFind -

Returns:

the element in tokenToFind that was found, or null if none of the tokens was found.

Throws:

java.io.IOException

InvalidFontException

read

public int read()
         throws java.io.IOException,
                InvalidFontException

Throws:

java.io.IOException

InvalidFontException

setReader

public void setReader(Reader newReader)
               throws InvalidFontException

Throws:

InvalidFontException