org.extex.interpreter.parser
Interface ScaledConvertible

public interface ScaledConvertible

This is an interface which describes the feature to be convertible into a scaled number.

Version:

$Revision: 4404 $

Author:

Gerd Neugebauer

Method Summary

long	convertScaled(Context context, TokenSource source, Typesetter typesetter) This method converts a register into a scaled number.

Method Detail

convertScaled

long convertScaled(Context context,
                   TokenSource source,
                   Typesetter typesetter)
                   throws HelpingException

This method converts a register into a scaled number. It might be necessary to read further tokens to determine which value to use. For instance an additional register number might be required. In this case the additional arguments Context and TokenSource can be used.

Parameters:

context - the interpreter context

source - the source for new tokens

typesetter - the typesetter to use for conversion

Returns:

the converted value

Throws:

HelpingException - in case of an error