org.extex.unit.base.register.toks
Class AbstractToks

java.lang.Object
  org.extex.interpreter.type.AbstractCode
      org.extex.interpreter.type.AbstractAssignment
          org.extex.unit.base.register.toks.AbstractToks

All Implemented Interfaces:

java.io.Serializable, Code

Direct Known Subclasses:

Toksdef, ToksParameter, ToksPrimitive

public abstract class AbstractToks
extends AbstractAssignment

This abstract base class provides the methods to compute the keys for numbered tokens registers.

Version:

$Revision:4431 $

Author:

Gerd Neugebauer

See Also:

Serialized Form

Field Summary

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

serialVersionUID

Constructor Summary

AbstractToks(CodeToken token)
Creates a new object.

Method Summary

protected java.lang.String

getKey(Context context, TokenSource source, Typesetter typesetter) Return the key (the name of the primitive) for the numbered tokens register.

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

assign, execute

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

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

Constructor Detail

AbstractToks

public AbstractToks(CodeToken token)

Creates a new object.

Parameters:

token - the initial token for the primitive

Method Detail

getKey

protected java.lang.String getKey(Context context,
                                  TokenSource source,
                                  Typesetter typesetter)
                           throws HelpingException,
                                  TypesetterException

Return the key (the name of the primitive) for the numbered tokens register.

Parameters:

source - the source for new tokens

context - the interpreter context to use

typesetter - the typesetter

Returns:

the key for the current register

Throws:

HelpingException - in case that a derived class needs to throw an Exception this one is declared.

TypesetterException - in case of an error in the typesetter