Hss

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

java.lang.Object
  de.dante.extex.interpreter.type.AbstractCode
      de.dante.extex.interpreter.primitives.typesetter.AbstractHorizontalCode
          de.dante.extex.interpreter.primitives.typesetter.spacing.Hss

All Implemented Interfaces:: Code, HorizontalSkip, Localizable, java.io.Serializable

public class Hss
extends AbstractHorizontalCode
implements HorizontalSkip

This class provides an implementation for the primitive \hss.

The Primitive `\hss`

The primitive \hss inserts glue at the current position which is stretchable and shrinkable horizontally. The order of the glue is 1.

Syntax

The formal description of this primitive is the following:

    ⟨hss⟩
        → \hss

Examples

    \hss

Version:: $Revision: 1.13 $
Author:: Gerd Neugebauer
See Also:: Serialized Form

Field Summary
`protected static long`	`serialVersionUID` The constant `serialVersionUID` contains the id for serialization.

Constructor Summary
`Hss(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 horizontal glue.´

Methods inherited from class de.dante.extex.interpreter.primitives.typesetter.AbstractHorizontalCode

ensureHorizontalMode, switchToHorizontalMode

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

Hss

public Hss(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)
                  throws InterpreterException

Description copied from interface: HorizontalSkip

This method acquires horizontal glue.´

Specified by:: getGlue in interface HorizontalSkip

Parameters:: context - the interpreter context; source - the source for new tokens; typesetter - the typesetter
Returns:: the amount of skip
Throws:: InterpreterException - in case of an error
See Also:: HorizontalSkip.getGlue( de.dante.extex.interpreter.context.Context, de.dante.extex.interpreter.TokenSource, de.dante.extex.typesetter.Typesetter)