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de.dante.extex.interpreter.primitives.typesetter.spacing
Class Vfilneg

java.lang.Object
  extended byde.dante.extex.interpreter.type.AbstractCode
      extended byde.dante.extex.interpreter.primitives.typesetter.AbstractVerticalCode
          extended byde.dante.extex.interpreter.primitives.typesetter.spacing.Vfilneg
All Implemented Interfaces:
Code, Localizable, java.io.Serializable, VerticalSkip
public class Vfilneg
extends AbstractVerticalCode
implements VerticalSkip

This class provides an implementation for the primitive \vfilneg.

The Primitive \vfilneg

The primitive \vfill inserts vertical glue into the current list. It switches to vertical mode if necessary. The amount of glue inserted has the natural height of 0pt and a stretchability of -1fil.

Syntax

The formal description of this primitive is the following: 
    ⟨vfilneg⟩
        → \vfilneg

Examples

    \vfilneg

Version:
$Revision: 1.16 $
Author:
Gerd Neugebauer
See Also:
Serialized Form

Field Summary
protected static long serialVersionUID
          The constant serialVersionUID contains the id for serialization.
 
Constructor Summary
Vfilneg(java.lang.String name)
          Creates a new object.
 
Method Summary
 void execute(Flags prefix, Context context, TokenSource source, Typesetter typesetter)
          This method takes the first token and executes it.
 FixedGlue getGlue(Context context, TokenSource source, Typesetter typesetter)
          This method acquires a vertical glue.
 
Methods inherited from class de.dante.extex.interpreter.primitives.typesetter.AbstractVerticalCode
ensureVerticalMode
 
Methods inherited from class de.dante.extex.interpreter.type.AbstractCode
enableLocalization, getLocalizer, getName, isIf, isOuter, printable, printableControlSequence, readResolve, setName, toString
 
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

Vfilneg

public Vfilneg(java.lang.String name)
Creates a new object.

Parameters:
name - the name for debugging
Method Detail

execute

public void execute(Flags prefix,
                    Context context,
                    TokenSource source,
                    Typesetter typesetter)
             throws InterpreterException
Description copied from interface: Code
This method takes the first token and executes it. The result is placed on the stack. This operation might have side effects. To execute a token it might be necessary to consume further tokens.

Specified by:
execute in interface Code
Overrides:
execute in class AbstractCode
Throws:
InterpreterException
See Also:
Code.execute( de.dante.extex.interpreter.Flags, de.dante.extex.interpreter.context.Context, de.dante.extex.interpreter.TokenSource, de.dante.extex.typesetter.Typesetter)

getGlue

public FixedGlue getGlue(Context context,
                         TokenSource source,
                         Typesetter typesetter)
Description copied from interface: VerticalSkip
This method acquires a vertical glue.

Specified by:
getGlue in interface VerticalSkip
Parameters:
context - the interpreter context
source - the source for new tokens
typesetter - the typesetter
Returns:
the amount of vertical skip
See Also:
VerticalSkip.getGlue( de.dante.extex.interpreter.context.Context, de.dante.extex.interpreter.TokenSource, de.dante.extex.typesetter.Typesetter)
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