2 * Copyright (C) 2001, 2002 The Mir-coders group
4 * This file is part of Mir.
6 * Mir is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Mir is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with Mir; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * In addition, as a special exception, The Mir-coders gives permission to link
21 * the code of this program with any library licensed under the Apache Software License,
22 * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
23 * (or with modified versions of the above that use the same license as the above),
24 * and distribute linked combinations including the two. You must obey the
25 * GNU General Public License in all respects for all of the code used other than
26 * the above mentioned libraries. If you modify this file, you may extend this
27 * exception to your version of the file, but you are not obligated to do so.
28 * If you do not wish to do so, delete this exception statement from your version.
31 package mir.generator.tal.interfaces;
33 import java.util.Iterator;
35 public interface TALExpressionParser {
36 public Object preparseExpression(String anExpression);
37 public Object preparseStringExpression(String anExpression);
38 public Object preparseBooleanExpression(String anExpression);
39 public Object preparseReferenceExpression(String anExpression);
40 public Object preparseListExpression(String anExpression);
41 public Object preparseTRUE();
42 public Object preparseFALSE();
44 public Object evaluateExpression(Object aContext, Object aPreparsedExpression);
45 public String evaluateStringExpression(Object aContext, Object aPreparsedExpression);
46 public boolean evaluateBooleanExpression(Object aContext, Object aPreparsedExpression);
47 public Iterator evaluateListExpression(Object aContext, Object aPreparsedExpression);
48 public void processAssignment(Object aContext, Object aPreparsedReferenceExpression, Object aPreparsedExpression);
51 * process a direct assignment of an object to a preparsed reference expression
54 public void processDirectAssignment(Object aContext, Object aPreparsedReferenceExpression, Object aValue);
57 * process an assigment to a pseudo variable. The pseudo variable will have a java
58 * identifier-like name.
61 public void processPseudoAssignment(Object aContext, String aName, Object aValue);
64 * Retrieve the value of a pseudo variable
67 public Object evaluatePseudoVariable(Object aContext, String aName);