| /* |
| * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.tools.internal.xjc.reader.dtd; |
| |
| import java.util.List; |
| |
| import com.sun.xml.internal.dtdparser.DTDEventListener; |
| |
| |
| /** |
| * @author Kohsuke Kawaguchi |
| */ |
| final class Occurence extends Term { |
| final Term term; |
| final boolean isOptional; |
| final boolean isRepeated; |
| |
| Occurence(Term term, boolean optional, boolean repeated) { |
| this.term = term; |
| isOptional = optional; |
| isRepeated = repeated; |
| } |
| |
| static Term wrap( Term t, int occurence ) { |
| switch(occurence) { |
| case DTDEventListener.OCCURENCE_ONCE: |
| return t; |
| case DTDEventListener.OCCURENCE_ONE_OR_MORE: |
| return new Occurence(t,false,true); |
| case DTDEventListener.OCCURENCE_ZERO_OR_MORE: |
| return new Occurence(t,true,true); |
| case DTDEventListener.OCCURENCE_ZERO_OR_ONE: |
| return new Occurence(t,true,false); |
| default: |
| throw new IllegalArgumentException(); |
| } |
| } |
| |
| void normalize(List<Block> r, boolean optional) { |
| if(isRepeated) { |
| Block b = new Block(isOptional||optional,true); |
| addAllElements(b); |
| r.add(b); |
| } else { |
| term.normalize(r,optional||isOptional); |
| } |
| } |
| |
| void addAllElements(Block b) { |
| term.addAllElements(b); |
| } |
| |
| boolean isOptional() { |
| return isOptional||term.isOptional(); |
| } |
| |
| boolean isRepeated() { |
| return isRepeated||term.isRepeated(); |
| } |
| } |