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      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,
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     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 
     32 package org.jf.smalidea.psi.impl;
     33 
     34 import com.intellij.extapi.psi.StubBasedPsiElementBase;
     35 import com.intellij.lang.ASTNode;
     36 import com.intellij.psi.PsiElement;
     37 import com.intellij.psi.StubBasedPsiElement;
     38 import com.intellij.psi.stubs.IStubElementType;
     39 import com.intellij.psi.stubs.StubElement;
     40 import org.jetbrains.annotations.NotNull;
     41 import org.jetbrains.annotations.Nullable;
     42 
     43 public abstract class SmaliStubBasedPsiElement<T extends StubElement> extends StubBasedPsiElementBase<T>
     44         implements StubBasedPsiElement<T> {
     45     protected SmaliStubBasedPsiElement(@NotNull T stub, @NotNull IStubElementType nodeType) {
     46         super(stub, nodeType);
     47     }
     48 
     49     protected SmaliStubBasedPsiElement(@NotNull ASTNode node) {
     50         super(node);
     51     }
     52 
     53     @SuppressWarnings("unchecked")
     54     @Nullable
     55     protected <E extends PsiElement> E findStubOrPsiAncestorOfType(@NotNull Class<E> aClass) {
     56         T stub = getStub();
     57         if (stub != null)  {
     58             StubElement parent = stub.getParentStub();
     59             while (parent != null) {
     60                 PsiElement parentPsi = parent.getPsi();
     61                 if (aClass.isInstance(parentPsi)) {
     62                     return (E)parentPsi;
     63                 }
     64                 parent = parent.getParentStub();
     65             }
     66             return null;
     67         }
     68 
     69         PsiElement parent = getParent();
     70         while (parent != null) {
     71             if (aClass.isInstance(parent)) {
     72                 return (E)parent;
     73             }
     74             parent = parent.getParent();
     75         }
     76         return null;
     77     }
     78 
     79     public String toString() {
     80         return this.getClass().getSimpleName() + "(" + this.getElementType().toString() + ")";
     81     }
     82 }
     83