| /* |
| * 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; |
| |
| import java.util.Stack; |
| |
| /** |
| * @author Dmitry Avdeev |
| */ |
| public class XmlElementsGroupProcessor extends XmlSchemaTagsProcessor { |
| |
| final Stack<XmlElementsGroup> myGroups = new Stack<XmlElementsGroup>(); |
| |
| public static XmlElementsGroup computeGroups(XmlNSDescriptorImpl descriptor, XmlTag tag) { |
| XmlElementsGroupProcessor processor = new XmlElementsGroupProcessor(descriptor); |
| processor.startProcessing(tag); |
| return processor.getRootGroup(); |
| } |
| |
| private XmlElementsGroup getRootGroup() { |
| return myGroups.get(0); |
| } |
| |
| private XmlElementsGroupProcessor(XmlNSDescriptorImpl nsDescriptor) { |
| super(nsDescriptor, "attribute"); |
| myGroups.push(new XmlElementsGroupImpl(null, null, null) { |
| @Override |
| public XmlElementsGroup.Type getGroupType() { |
| return XmlElementsGroup.Type.GROUP; |
| } |
| |
| @Override |
| public String toString() { |
| return "root"; |
| } |
| }); |
| } |
| |
| @Override |
| protected void tagStarted(XmlTag tag, String tagName, XmlTag context, XmlTag ref) { |
| XmlElementsGroup.Type type = XmlElementsGroupImpl.getTagType(tag); |
| if (type != null) { |
| XmlElementsGroupImpl group = new XmlElementsGroupImpl(tag, myGroups.peek(), ref); |
| addSubGroup(group); |
| myGroups.push(group); |
| } |
| else if ("element".equals(tagName)) { |
| XmlElementsGroup group = new XmlElementsGroupLeaf(tag, myNsDescriptor.createElementDescriptor(tag), myGroups.peek(), ref); |
| if (!myGroups.empty()) { |
| addSubGroup(group); |
| } |
| else { |
| myGroups.push(group); |
| } |
| } |
| } |
| |
| @Override |
| protected void tagFinished(XmlTag tag) { |
| if (!myGroups.empty() && XmlElementsGroupImpl.getTagType(tag) != null) { |
| myGroups.pop(); |
| } |
| } |
| |
| private void addSubGroup(XmlElementsGroup group) { |
| if (!myGroups.empty()) { |
| XmlElementsGroup last = myGroups.peek(); |
| if (last instanceof XmlElementsGroupImpl) { |
| ((XmlElementsGroupImpl)last).addSubGroup(group); |
| } |
| } |
| } |
| } |