de.dante.extex.interpreter.type.dimen.parser
Class LengthParser

java.lang.Object
  de.dante.extex.interpreter.type.dimen.parser.LengthParser

public final class LengthParser

extends java.lang.Object

This class provides some static methods to parse an expression and return its value.

Version:

$Revision: 1.2 $

Author:

Gerd Neugebauer

evalTerm

public static void evalTerm(Accumulator accumulator,
                            Context context,
                            TokenSource source,
                            Typesetter typesetter)
                     throws InterpreterException

Evaluate a terminal.

Parameters:

accumulator - the accumulator to receive the result

context - the interpreter context

source - the source for new tokens

typesetter - the typesetter

Throws:

InterpreterException - in case of an error

parse

public static Dimen parse(Context context,
                          TokenSource source,
                          Typesetter typesetter)
                   throws InterpreterException

Creates a new object from a token stream.

Parameters:

context - the interpreter context

source - the source for next tokens

typesetter - the typesetter

Returns:

a new instance with the value acquired

Throws:

InterpreterException - in case of an error

register

public static void register(java.lang.String name,
                            Function function)

register

public static void register(java.lang.String name,
                            Function0 function)

register

public static void register(java.lang.String name,
                            Function1 function)

register

public static void register(java.lang.String name,
                            de.dante.extex.interpreter.type.dimen.parser.Function2 function)