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org.extex.unit.etex.register.count
Class EtexVersion

java.lang.Object
  extended by org.extex.interpreter.type.AbstractCode
      extended by org.extex.unit.tex.register.count.AbstractReadonlyCount
          extended by org.extex.unit.etex.register.count.EtexVersion
All Implemented Interfaces:
java.io.Serializable, CountConvertible, Code, Theable
public class EtexVersion
extends AbstractReadonlyCount

This abstract base class provides the methods an read only count primitive.

Version:
$Revision: 4732 $
Author:
Sebastian Waschik
See Also:
Serialized Form

Field Summary
protected static long serialVersionUID
          The field serialVersionUID contains the id for serialization.
 
Constructor Summary
EtexVersion(CodeToken token)
          Creates a new object.
 
Method Summary
 long convertCount(Context context, TokenSource source, Typesetter typesetter)
          This method converts a register into a count.
 
Methods inherited from class org.extex.unit.tex.register.count.AbstractReadonlyCount
execute, the
 
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
 

Field Detail

serialVersionUID

protected static final long serialVersionUID
The field serialVersionUID contains the id for serialization.

See Also:
Constant Field Values
Constructor Detail

EtexVersion

public EtexVersion(CodeToken token)
Creates a new object.

Parameters:
token - the initial token for the primitive
Method Detail

convertCount

public long convertCount(Context context,
                         TokenSource source,
                         Typesetter typesetter)
                  throws HelpingException,
                         TypesetterException
This method converts a register into a count. 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
TypesetterException - in case of an error in the typesetter
See Also:
CountConvertible.convertCount( org.extex.interpreter.context.Context, org.extex.interpreter.TokenSource, org.extex.typesetter.Typesetter)
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