org.extex.unit.pdftex
Class AbstractPdftexCode

java.lang.Object
  org.extex.interpreter.type.AbstractCode
      org.extex.unit.pdftex.AbstractPdftexCode

All Implemented Interfaces:

java.io.Serializable, Code

Direct Known Subclasses:

Pdfannot, Pdfcatalog, Pdfdest, Pdfendlink, Pdfendthread, Pdffontname, Pdffontobjnum, Pdfincludechars, Pdfinfo, Pdflastannot, Pdflastobj, Pdflastxform, Pdflastximage, Pdfliteral, Pdfnames, Pdfobj, Pdfoutline, Pdfrefobj, Pdfrefxform, Pdfrefximage, Pdfstartlink, Pdfthread, Pdfxform, Pdfximage

public abstract class AbstractPdftexCode
extends AbstractCode

This class provides a base class for pdfTeX primitives.

Version:

$Revision: 4791 $

Author:

Gerd Neugebauer

See Also:

Serialized Form

Field Summary

protected static long

serialVersionUID The constant serialVersionUID contains the id for serialization.

Constructor Summary

AbstractPdftexCode(CodeToken token)
Creates a new object.

Method Summary

protected PdftexSupport

ensurePdftex(Context context, Typesetter typesetter) Check that pdfTeX is active.

Methods inherited from class org.extex.interpreter.type.AbstractCode

execute, getLocalizer, getName, getToken, isIf, isOuter, readResolve, toString, toText, toText

Methods inherited from class java.lang.Object

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

Field Detail

serialVersionUID

protected static final long serialVersionUID

The constant serialVersionUID contains the id for serialization.

See Also:

Constant Field Values

Constructor Detail

AbstractPdftexCode

public AbstractPdftexCode(CodeToken token)

Creates a new object.

Parameters:

token - the initial token for the primitive

Method Detail

ensurePdftex

protected PdftexSupport ensurePdftex(Context context,
                                     Typesetter typesetter)
                              throws PdftexException,
                                     NoHelpException

Check that pdfTeX is active.

Parameters:

context - the interpreter context

typesetter - the typesetter

Returns:

the casted document writer with pdf support

Throws:

PdftexException - in case that pdfTeX is not active

NoHelpException - in case of an exception in the back-end