1/*
2 * Copyright 2014, Google Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 *     * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *     * Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following disclaimer
13 * in the documentation and/or other materials provided with the
14 * distribution.
15 *     * Neither the name of Google Inc. nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32package org.jf.smalidea.psi.impl;
33
34import com.google.common.collect.Lists;
35import com.intellij.lang.ASTNode;
36import org.jetbrains.annotations.NotNull;
37import org.jf.smalidea.psi.SmaliElementTypes;
38import org.jf.smalidea.psi.stub.SmaliExtendsListStub;
39
40import java.util.List;
41
42public class SmaliExtendsList extends SmaliBaseReferenceList<SmaliExtendsListStub> {
43    public SmaliExtendsList(@NotNull SmaliExtendsListStub stub) {
44        super(stub, SmaliElementTypes.EXTENDS_LIST);
45    }
46
47    public SmaliExtendsList(@NotNull ASTNode node) {
48        super(node);
49    }
50
51    @NotNull @Override public SmaliClassTypeElement[] getReferenceElements() {
52        if (((SmaliClass)getParent()).isInterface()) {
53            return getImplementsElements();
54        } else {
55            return getExtendsElement();
56        }
57    }
58
59    @NotNull private SmaliClassTypeElement[] getImplementsElements() {
60        SmaliClass smaliClass = getStubOrPsiParentOfType(SmaliClass.class);
61        assert smaliClass != null;
62
63        SmaliImplementsStatement[] implementsStatements = smaliClass.getImplementsStatements();
64        if (implementsStatements.length > 0) {
65            // all implemented interfaces go in the extends list for an interface
66            List<SmaliClassTypeElement> types = Lists.newArrayList();
67
68            for (SmaliImplementsStatement implementsStatement: implementsStatements) {
69                SmaliClassTypeElement classReference = implementsStatement.getClassReference();
70                if (classReference != null) {
71                    types.add(classReference);
72                }
73            }
74            return types.toArray(new SmaliClassTypeElement[types.size()]);
75        }
76        return new SmaliClassTypeElement[0];
77    }
78
79    @NotNull private SmaliClassTypeElement[] getExtendsElement() {
80        SmaliClass smaliClass = getStubOrPsiParentOfType(SmaliClass.class);
81        assert smaliClass != null;
82
83        SmaliSuperStatement superStatement = smaliClass.getSuperStatement();
84        if (superStatement != null) {
85            SmaliClassTypeElement classReference = superStatement.getClassReference();
86            if (classReference != null) {
87                return new SmaliClassTypeElement[] { classReference };
88            }
89        }
90        return new SmaliClassTypeElement[0];
91    }
92
93    @Override public Role getRole() {
94        return Role.EXTENDS_LIST;
95    }
96}
97