| /* |
| * Copyright 2000-2011 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 org.intellij.lang.xpath.psi; |
| |
| import org.jetbrains.annotations.NotNull; |
| |
| /* |
| * Created by IntelliJ IDEA. |
| * User: sweinreuter |
| * Date: 08.01.11 |
| */ |
| public class XPath2SequenceType extends XPath2Type { |
| public enum Cardinality { |
| OPTIONAL("?"), ONE_OR_MORE("+"), ZERO_OR_MORE("*"), UNDEFINED(null); |
| |
| private final String myType; |
| |
| Cardinality(String c) { |
| myType = c; |
| } |
| } |
| |
| private final XPathType myType; |
| |
| protected XPath2SequenceType(XPathType s, Cardinality c) { |
| super(makeName(s, c), ANY); |
| myType = s; |
| } |
| |
| private static String makeName(XPathType s, Cardinality c) { |
| return c.myType != null ? s.getName() + c.myType : "sequence of " + s.getName(); |
| } |
| |
| public XPathType getType() { |
| return myType; |
| } |
| |
| public static XPath2Type create(@NotNull XPathType type, Cardinality c) { |
| return new XPath2SequenceType(type, c); |
| } |
| |
| public static XPath2Type create(@NotNull XPathType type) { |
| return new XPath2SequenceType(type, Cardinality.UNDEFINED); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) return true; |
| if (o == null || getClass() != o.getClass()) return false; |
| if (!super.equals(o)) return false; |
| |
| final XPath2SequenceType that = (XPath2SequenceType)o; |
| |
| if (!myType.equals(that.myType)) return false; |
| |
| return true; |
| } |
| |
| @Override |
| public boolean isAssignableFrom(@NotNull XPathType type) { |
| return super.isAssignableFrom(type) || getType().isAssignableFrom(unwrap(type)); |
| } |
| |
| private static XPathType unwrap(XPathType type) { |
| return type instanceof XPath2SequenceType ? ((XPath2SequenceType)type).getType() : type; |
| } |
| |
| @Override |
| public boolean canBePromotedTo(XPathType type) { |
| return super.canBePromotedTo(type) || getType().canBePromotedTo(unwrap(type)); |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = super.hashCode(); |
| result = 31 * result + myType.hashCode(); |
| return result; |
| } |
| } |