| /* |
| * Copyright 2000-2010 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.intellij.xml.impl.schema; |
| |
| import com.intellij.psi.xml.XmlTag; |
| import com.intellij.xml.XmlElementsGroup; |
| |
| /** |
| * @author Dmitry Avdeev |
| */ |
| public abstract class XmlElementsGroupBase implements XmlElementsGroup { |
| |
| protected final XmlTag myTag; |
| private final XmlElementsGroup myParent; |
| private final XmlTag myRef; |
| |
| public XmlElementsGroupBase(XmlTag tag, XmlElementsGroup parent, XmlTag ref) { |
| myTag = tag; |
| myParent = parent; |
| myRef = ref; |
| } |
| |
| @Override |
| public int getMinOccurs() { |
| return getMinOccursImpl(myRef) * getMinOccursImpl(myTag); |
| } |
| |
| private static int getMinOccursImpl(XmlTag tag) { |
| if (tag == null) return 1; |
| String value = tag.getAttributeValue("minOccurs"); |
| try { |
| return value == null ? 1 : Integer.parseInt(value); |
| } |
| catch (NumberFormatException e) { |
| return 1; |
| } |
| } |
| |
| @Override |
| public int getMaxOccurs() { |
| return getMaxOccursImpl(myRef) * getMaxOccursImpl(myTag); |
| } |
| |
| private static int getMaxOccursImpl(XmlTag tag) { |
| if (tag == null) return 1; |
| String value = tag.getAttributeValue("maxOccurs"); |
| if (value == null) return 1; |
| if ("unbounded".equals(value)) return Integer.MAX_VALUE; |
| try { |
| return Integer.parseInt(value); |
| } |
| catch (NumberFormatException e) { |
| return 1; |
| } |
| } |
| |
| @Override |
| public XmlElementsGroup getParentGroup() { |
| return myParent; |
| } |
| } |