| /******************************************************************************* |
| * Copyright (c) 2002, 2005 Object Factory Inc. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Object Factory Inc. - Initial implementation |
| *******************************************************************************/ |
| package org.eclipse.ant.internal.ui.dtd; |
| |
| import org.eclipse.ant.internal.ui.dtd.schema.Nfm; |
| |
| /** |
| * Content model. This is the printable version of the model. The walkable version is the IDfm. |
| * |
| * @author Bob Foster |
| */ |
| public interface IModel { |
| |
| public static final int UNKNOWN = 0; |
| public static final int SEQUENCE = 1; |
| public static final int CHOICE = 2; |
| public static final int LEAF = 4; |
| |
| public static final int UNBOUNDED = Integer.MAX_VALUE; |
| |
| /** |
| * @return one of SEQUENCE, CHOICE, LEAF |
| */ |
| public int getKind(); |
| |
| /** |
| * @return one of 0 or 1. |
| */ |
| public int getMinOccurs(); |
| |
| /** |
| * @return one of 1 or UNBOUNDED. |
| */ |
| public int getMaxOccurs(); |
| |
| /** |
| * @return if SEQUENCE or CHOICE return array of sub-models; otherwise undefined. |
| */ |
| public IModel[] getContents(); |
| |
| /** |
| * @return if LEAF return atom; otherwise undefined. |
| */ |
| public IAtom getLeaf(); |
| |
| /** |
| * @return if SEQUENCE or CHOICE return "," and "|", respectively; otherwise undefined. Useful when printing model. |
| */ |
| public String getOperator(); |
| |
| /** |
| * @return one of "", "?", "*" or "+". Useful when printing model. |
| */ |
| public String getQualifier(); |
| |
| /** |
| * Convert content model to string representation. |
| */ |
| public String stringRep(); |
| |
| /** |
| * Convert the model to an Nfm on demand. |
| * |
| * @return Nfm |
| */ |
| public Nfm toNfm(); |
| } |