| /* |
| * Copyright 2000-2013 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.jetbrains.plugins.groovy.refactoring.classMembers; |
| |
| import com.intellij.psi.PsiClass; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| import org.jetbrains.plugins.groovy.lang.psi.GrReferenceElement; |
| import org.jetbrains.plugins.groovy.lang.psi.GroovyRecursiveElementVisitor; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrExpression; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrReferenceExpression; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.typedef.GrTypeDefinition; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.typedef.members.GrMember; |
| import org.jetbrains.plugins.groovy.lang.psi.api.types.GrCodeReferenceElement; |
| import org.jetbrains.plugins.groovy.lang.psi.util.PsiUtil; |
| |
| /** |
| * @author Max Medvedev |
| */ |
| public abstract class GrClassMemberReferenceVisitor extends GroovyRecursiveElementVisitor { |
| private final PsiClass myClass; |
| |
| public GrClassMemberReferenceVisitor(@NotNull PsiClass aClass) { |
| myClass = aClass; |
| } |
| |
| @Override |
| public void visitReferenceExpression(GrReferenceExpression ref) { |
| GrExpression qualifier = ref.getQualifier(); |
| |
| if (qualifier != null && !(PsiUtil.isThisOrSuperRef(qualifier))) { |
| qualifier.accept(this); |
| |
| if (!(qualifier instanceof GrReferenceExpression) || !(((GrReferenceExpression) qualifier).resolve() instanceof PsiClass)) { |
| return; |
| } |
| } |
| |
| PsiElement resolved = ref.resolve(); |
| if (resolved instanceof GrMember) { |
| PsiClass containingClass = ((GrMember)resolved).getContainingClass(); |
| if (isPartOf(myClass, containingClass)) { |
| visitClassMemberReferenceElement((GrMember)resolved, ref); |
| } |
| } |
| } |
| |
| @Override |
| public void visitCodeReferenceElement(GrCodeReferenceElement reference) { |
| PsiElement referencedElement = reference.resolve(); |
| if (referencedElement instanceof GrTypeDefinition) { |
| final GrTypeDefinition referencedClass = (GrTypeDefinition)referencedElement; |
| if (PsiTreeUtil.isAncestor(myClass, referencedElement, true) || |
| isPartOf(myClass, referencedClass.getContainingClass())) { |
| visitClassMemberReferenceElement((GrMember)referencedElement, reference); |
| } |
| } |
| } |
| |
| private static boolean isPartOf(@NotNull PsiClass aClass, @Nullable PsiClass containingClass) { |
| if (containingClass == null) return false; |
| return aClass.equals(containingClass) || aClass.isInheritor(containingClass, true); |
| } |
| |
| protected abstract void visitClassMemberReferenceElement(GrMember resolved, GrReferenceElement ref); |
| } |