de.dante.extex.interpreter.primitives.pdftex
Class Pdflastobj

java.lang.Object
  extended byde.dante.extex.interpreter.type.AbstractCode
      extended byde.dante.extex.interpreter.primitives.pdftex.AbstractPdftexCode
          extended byde.dante.extex.interpreter.primitives.pdftex.Pdflastobj
All Implemented Interfaces:
Code, CountConvertible, Localizable, java.io.Serializable, Theable

public class Pdflastobj
extends AbstractPdftexCode
implements Theable, CountConvertible

This class provides an implementation for the primitive \pdflastobj.

The PDF Primitive \pdflastobj

This primitive provides a read-only count register containing the number of the last object. If none is present then 0 is returned.

Syntax

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

Examples

    \count0=\pdflastobj  

Version:
$Revision: 1.3 $
Author:
Gerd Neugebauer
See Also:
Serialized Form

Field Summary
protected static long serialVersionUID
          The constant serialVersionUID contains the id for serialization.
 
Constructor Summary
Pdflastobj(java.lang.String name)
          Creates a new object.
 
Method Summary
 long convertCount(Context context, TokenSource source, Typesetter typesetter)
          This method converts a register into a count.
 Tokens convertTokens(Context context, TokenSource source, Typesetter typesetter)
           
 Tokens the(Context context, TokenSource source, Typesetter typesetter)
          This method is the getter for the description of the primitive.
 
Methods inherited from class de.dante.extex.interpreter.primitives.pdftex.AbstractPdftexCode
ensurePdftex
 
Methods inherited from class de.dante.extex.interpreter.type.AbstractCode
enableLocalization, execute, 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

Pdflastobj

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

Parameters:
name - the name for tracing and debugging
Method Detail

convertCount

public long convertCount(Context context,
                         TokenSource source,
                         Typesetter typesetter)
                  throws InterpreterException
Description copied from interface: CountConvertible
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.

Specified by:
convertCount in interface CountConvertible
Parameters:
context - the interpreter context
source - the source for new tokens
typesetter - the typesetter to use for conversion
Returns:
the converted value
Throws:
InterpreterException - in case of an error
See Also:
CountConvertible.convertCount( de.dante.extex.interpreter.context.Context, de.dante.extex.interpreter.TokenSource, de.dante.extex.typesetter.Typesetter)

convertTokens

public Tokens convertTokens(Context context,
                            TokenSource source,
                            Typesetter typesetter)
                     throws InterpreterException
Throws:
InterpreterException
See Also:
TokensConvertible.convertTokens( de.dante.extex.interpreter.context.Context, de.dante.extex.interpreter.TokenSource, de.dante.extex.typesetter.Typesetter)

the

public Tokens the(Context context,
                  TokenSource source,
                  Typesetter typesetter)
           throws InterpreterException
Description copied from interface: Theable
This method is the getter for the description of the primitive.

Specified by:
the in interface Theable
Parameters:
context - the interpreter context
source - the source for further tokens to qualify the request
typesetter - the typesetter to use
Returns:
the description of the primitive as list of Tokens
Throws:
InterpreterException - in case of an error
See Also:
Theable.the( de.dante.extex.interpreter.context.Context, de.dante.extex.interpreter.TokenSource, de.dante.extex.typesetter.Typesetter)