| /* |
| * Copyright 2007 Sascha Weinreuter |
| * |
| * 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 org.intellij.plugins.relaxNG.model.descriptors; |
| |
| import com.intellij.openapi.util.Pair; |
| import gnu.trove.THashMap; |
| import org.kohsuke.rngom.digested.*; |
| |
| import javax.xml.namespace.QName; |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| |
| /** |
| * Created by IntelliJ IDEA. |
| * User: sweinreuter |
| * Date: 30.07.2007 |
| */ |
| class AttributeFinder extends RecursionSaveWalker { |
| private int depth; |
| private int optional; |
| private final QName myQname; |
| private final Map<DAttributePattern, Pair<? extends Map<String, String>, Boolean>> myAttributes = |
| new THashMap<DAttributePattern, Pair<? extends Map<String, String>, Boolean>>(); |
| private DAttributePattern myLastAttr; |
| |
| private AttributeFinder() { |
| myQname = null; |
| optional++; // everything will be optional |
| } |
| |
| private AttributeFinder(QName qname) { |
| myQname = qname; |
| } |
| |
| @Override |
| public Void onElement(DElementPattern p) { |
| depth++; |
| try { |
| myLastAttr = null; |
| if (depth < 2) { |
| return super.onElement(p); |
| } |
| return null; |
| } finally { |
| depth--; |
| } |
| } |
| |
| @Override |
| public Void onAttribute(DAttributePattern p) { |
| assert depth > 0; |
| |
| if (depth == 1 && (myQname == null || p.getName().contains(myQname))) { |
| myLastAttr = p; |
| myAttributes.put(p, Pair.create(new LinkedHashMap<String, String>(), optional > 0)); |
| return super.onAttribute(p); |
| } |
| return null; |
| } |
| |
| @Override |
| public Void onValue(DValuePattern p) { |
| if (myLastAttr != null) { |
| myAttributes.get(myLastAttr).first.put(p.getValue(), p.getType()); |
| } |
| return super.onValue(p); |
| } |
| |
| @Override |
| public Void onOptional(DOptionalPattern p) { |
| optional++; |
| try { |
| return super.onOptional(p); |
| } finally { |
| optional--; |
| } |
| } |
| |
| @Override |
| public Void onZeroOrMore(DZeroOrMorePattern p) { |
| optional++; |
| try { |
| return super.onZeroOrMore(p); |
| } finally { |
| optional--; |
| } |
| } |
| |
| @Override |
| public Void onChoice(DChoicePattern p) { |
| optional++; |
| try { |
| return super.onChoice(p); |
| } finally { |
| optional--; |
| } |
| } |
| |
| @Override |
| public Void onData(DDataPattern p) { |
| if (depth == 1 && myLastAttr != null) { |
| myAttributes.get(myLastAttr).first.put(null, p.getType()); |
| } |
| return null; |
| } |
| |
| public static Map<DAttributePattern, Pair<? extends Map<String, String>, Boolean>> find(QName qname, DPattern... patterns) { |
| final AttributeFinder finder = new AttributeFinder(qname); |
| finder.doAccept(patterns); |
| return finder.myAttributes; |
| } |
| |
| public static Map<DAttributePattern, Pair<? extends Map<String, String>, Boolean>> find(DPattern... patterns) { |
| final AttributeFinder finder = new AttributeFinder(); |
| finder.doAccept(patterns); |
| return finder.myAttributes; |
| } |
| } |