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      1 /*
      2  * Copyright 2014, Google Inc.
      3  * All rights reserved.
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      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.
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     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
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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.openapi.util.TextRange;
     35 import com.intellij.psi.*;
     36 import com.intellij.psi.tree.IElementType;
     37 import com.intellij.util.ArrayUtil;
     38 import com.intellij.util.IncorrectOperationException;
     39 import org.jetbrains.annotations.NotNull;
     40 import org.jetbrains.annotations.Nullable;
     41 import org.jf.smalidea.psi.SmaliCompositeElementFactory;
     42 import org.jf.smalidea.psi.SmaliElementTypes;
     43 
     44 public class SmaliAnnotationElementName extends SmaliCompositeElement implements PsiIdentifier, PsiReference {
     45     public static final SmaliCompositeElementFactory FACTORY = new SmaliCompositeElementFactory() {
     46         @Override public SmaliCompositeElement createElement() {
     47             return new SmaliAnnotationElementName();
     48         }
     49     };
     50 
     51     public SmaliAnnotationElementName() {
     52         super(SmaliElementTypes.ANNOTATION_ELEMENT_NAME);
     53     }
     54 
     55     @Override public IElementType getTokenType() {
     56         return getElementType();
     57     }
     58 
     59     @Override public String getName() {
     60         return getText();
     61     }
     62 
     63     @Nullable
     64     public SmaliAnnotation getContainingAnnotation() {
     65         return findAncestorByClass(SmaliAnnotation.class);
     66     }
     67 
     68     @Override public PsiElement bindToElement(PsiElement element) throws IncorrectOperationException {
     69         //TODO: implement this if needed
     70         throw new IncorrectOperationException();
     71     }
     72 
     73     @Override public PsiElement getElement() {
     74         return this;
     75     }
     76 
     77     @Override public TextRange getRangeInElement() {
     78         return new TextRange(0, getTextLength());
     79     }
     80 
     81     @Nullable @Override public PsiElement resolve() {
     82         SmaliAnnotation smaliAnnotation = getContainingAnnotation();
     83         if (smaliAnnotation == null) {
     84             return null;
     85         }
     86 
     87         String annotationType = smaliAnnotation.getQualifiedName();
     88         if (annotationType == null) {
     89             return null;
     90         }
     91 
     92         JavaPsiFacade facade = JavaPsiFacade.getInstance(getProject());
     93         PsiClass annotationClass = facade.findClass(annotationType, getResolveScope());
     94         if (annotationClass == null) {
     95             return null;
     96         }
     97 
     98         for (PsiMethod method : annotationClass.findMethodsByName(getName(), true)) {
     99             if (method.getParameterList().getParametersCount() == 0) {
    100                 return method;
    101             }
    102         }
    103         return null;
    104     }
    105 
    106     @NotNull @Override public String getCanonicalText() {
    107         // TODO: return a full method reference here?
    108         String name = getName();
    109         if (name == null) {
    110             return "";
    111         }
    112         return name;
    113     }
    114 
    115     @Override public PsiElement handleElementRename(String newElementName) throws IncorrectOperationException {
    116         //TODO: implement this
    117         throw new IncorrectOperationException();
    118     }
    119 
    120     @Override public boolean isReferenceTo(PsiElement element) {
    121         return resolve() == element;
    122     }
    123 
    124     @NotNull @Override public Object[] getVariants() {
    125         return ArrayUtil.EMPTY_OBJECT_ARRAY;
    126     }
    127 
    128     @Override public boolean isSoft() {
    129         return false;
    130     }
    131 
    132     @Override public PsiReference getReference() {
    133         return this;
    134     }
    135 }
    136