de.intarsys.cwt.font.afm
Class AFMParser

java.lang.Object
  de.intarsys.cwt.font.afm.AFMParser

public class AFMParser
extends java.lang.Object

A simple parser for AFM type definition files.

See the "Adobe Font Metrics File Format Specification"

Field Summary

static char	CHAR_BS
static char	CHAR_CR
static char	CHAR_FF
static char	CHAR_HT
static char	CHAR_LF
protected static byte[]	characterClass
protected static byte	CHARCLASS_ANY
protected static byte	CHARCLASS_DELIMITER
protected static byte	CHARCLASS_DIGIT
protected static byte	CHARCLASS_NUMBERSPECIAL
protected static byte	CHARCLASS_TOKEN
protected static byte	CHARCLASS_WHITESPACE

Constructor Summary

AFMParser(AFM afm)
AFMParser constructor comment.

Method Summary

static boolean	isEOL(int i) evaluate to true if i is a valid line terminator.
static boolean	isWhitespace(int i) evaluate to true if i is a valid whitespace.
AFM	parse(de.intarsys.tools.randomaccess.IRandomAccess random) Parse a AFM object from the input stream is.
protected void	read(de.intarsys.tools.randomaccess.IRandomAccess random)
protected byte[]	readBlock(de.intarsys.tools.randomaccess.IRandomAccess random) ignore this and any nested Start/End pair
protected byte[]	readCharMetrics(de.intarsys.tools.randomaccess.IRandomAccess random)
protected byte[]	readFontMetrics(de.intarsys.tools.randomaccess.IRandomAccess random)
byte[]	readLine(de.intarsys.tools.randomaccess.IRandomAccess input) read a single line.
protected byte[]	readLineElement(de.intarsys.tools.randomaccess.IRandomAccess input, int next)
void	readSpaces(de.intarsys.tools.randomaccess.IRandomAccess input) read all characters until EOF or non space char appears.
byte[]	readToken(de.intarsys.tools.randomaccess.IRandomAccess input) read a single token.
protected byte[]	readTokenElement(de.intarsys.tools.randomaccess.IRandomAccess input, int next)

Methods inherited from class java.lang.Object

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

Field Detail

characterClass

protected static final byte[] characterClass

CHARCLASS_ANY

protected static final byte CHARCLASS_ANY

See Also:

Constant Field Values

CHARCLASS_DELIMITER

protected static final byte CHARCLASS_DELIMITER

See Also:

Constant Field Values

CHARCLASS_DIGIT

protected static final byte CHARCLASS_DIGIT

See Also:

Constant Field Values

CHARCLASS_NUMBERSPECIAL

protected static final byte CHARCLASS_NUMBERSPECIAL

See Also:

Constant Field Values

CHARCLASS_TOKEN

protected static final byte CHARCLASS_TOKEN

See Also:

Constant Field Values

CHARCLASS_WHITESPACE

protected static final byte CHARCLASS_WHITESPACE

See Also:

Constant Field Values

CHAR_BS

public static char CHAR_BS

CHAR_CR

public static char CHAR_CR

CHAR_FF

public static char CHAR_FF

CHAR_HT

public static char CHAR_HT

CHAR_LF

public static char CHAR_LF

Constructor Detail

AFMParser

public AFMParser(AFM afm)

AFMParser constructor comment.

Method Detail

isEOL

public static final boolean isEOL(int i)

evaluate to true if i is a valid line terminator.

Parameters:

i - i a byte representation

Returns:

true if i is a valid line terminator

isWhitespace

public static final boolean isWhitespace(int i)

evaluate to true if i is a valid whitespace.

Parameters:

i - i a byte representation

Returns:

true if i is a valid whitespace

parse

public AFM parse(de.intarsys.tools.randomaccess.IRandomAccess random)
          throws java.io.IOException

Parse a AFM object from the input stream is.

Parameters:

is - The input stream containing the definition.

Returns:

The AFM parsed.

Throws:

java.io.IOException

read

protected void read(de.intarsys.tools.randomaccess.IRandomAccess random)
             throws java.io.IOException

Throws:

java.io.IOException

readBlock

protected byte[] readBlock(de.intarsys.tools.randomaccess.IRandomAccess random)
                    throws java.io.IOException

ignore this and any nested Start/End pair

Throws:

java.io.IOException

readCharMetrics

protected byte[] readCharMetrics(de.intarsys.tools.randomaccess.IRandomAccess random)
                          throws java.io.IOException

Throws:

java.io.IOException

readFontMetrics

protected byte[] readFontMetrics(de.intarsys.tools.randomaccess.IRandomAccess random)
                          throws java.io.IOException

Throws:

java.io.IOException

readLine

public byte[] readLine(de.intarsys.tools.randomaccess.IRandomAccess input)
                throws java.io.IOException

read a single line.

Returns:

the array of characters belonging to the line

Throws:

java.io.IOException

readLineElement

protected byte[] readLineElement(de.intarsys.tools.randomaccess.IRandomAccess input,
                                 int next)
                          throws java.io.IOException

Throws:

java.io.IOException

readSpaces

public void readSpaces(de.intarsys.tools.randomaccess.IRandomAccess input)
                throws java.io.IOException

read all characters until EOF or non space char appears. the first non space char is pushed back so the next char read is the first non space char.

Throws:

java.io.IOException

readToken

public byte[] readToken(de.intarsys.tools.randomaccess.IRandomAccess input)
                 throws java.io.IOException

read a single token.

Returns:

the array of characters belonging to the token

Throws:

java.io.IOException

readTokenElement

protected byte[] readTokenElement(de.intarsys.tools.randomaccess.IRandomAccess input,
                                  int next)
                           throws java.io.IOException

Throws:

java.io.IOException