| /* |
| * Copyright 2000-2014 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; |
| |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiField; |
| import com.intellij.psi.PsiModifier; |
| import com.intellij.psi.PsiNamedElement; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.util.containers.hash.HashSet; |
| import org.jetbrains.plugins.groovy.lang.psi.GrControlFlowOwner; |
| import org.jetbrains.plugins.groovy.lang.psi.GroovyPsiElement; |
| import org.jetbrains.plugins.groovy.lang.psi.GroovyRecursiveElementVisitor; |
| import org.jetbrains.plugins.groovy.lang.psi.api.GroovyResolveResult; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.GrVariable; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.blocks.GrClosableBlock; |
| 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.resolve.ResolveUtil; |
| import org.jetbrains.plugins.groovy.lang.resolve.processors.PropertyResolverProcessor; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Set; |
| |
| /** |
| * @author Maxim.Medvedev |
| */ |
| public class DefaultGroovyVariableNameValidator implements NameValidator { |
| private final GroovyPsiElement myContext; |
| private final Set<String> mySet = new HashSet<String>(); |
| |
| public DefaultGroovyVariableNameValidator(GroovyPsiElement context) { |
| this(context, Collections.<String>emptyList(), true, false); |
| } |
| |
| public DefaultGroovyVariableNameValidator(GroovyPsiElement context, Collection<String> restrictedNames) { |
| this(context, restrictedNames, true, false); |
| } |
| |
| public DefaultGroovyVariableNameValidator(GroovyPsiElement context, |
| Collection<String> restrictedNames, |
| boolean includeFields) { |
| this(context, restrictedNames, includeFields, false); |
| } |
| |
| public DefaultGroovyVariableNameValidator(GroovyPsiElement context, |
| Collection<String> restrictedNames, |
| final boolean includeFields, |
| final boolean checkIntoInner) { |
| myContext = context; |
| mySet.addAll(restrictedNames); |
| PropertyResolverProcessor processor = new PropertyResolverProcessor(null, myContext); |
| ResolveUtil.treeWalkUp(myContext, processor, true); |
| final GroovyResolveResult[] results = processor.getCandidates(); |
| for (GroovyResolveResult result : results) { |
| final PsiElement element = result.getElement(); |
| if (element instanceof PsiNamedElement && (includeFields || !(element instanceof PsiField))) { |
| mySet.add(((PsiNamedElement)element).getName()); |
| } |
| } |
| |
| GroovyPsiElement scope = PsiTreeUtil.getParentOfType(context, GrControlFlowOwner.class, GrMember.class); |
| if (scope == null) scope = context; |
| |
| scope.accept(new GroovyRecursiveElementVisitor(){ |
| @Override |
| public void visitVariable(GrVariable variable) { |
| if (includeFields || !(variable instanceof PsiField)) { |
| mySet.add(variable.getName()); |
| } |
| super.visitVariable(variable); |
| } |
| |
| @Override |
| public void visitClosure(GrClosableBlock closure) { |
| if (checkIntoInner) { |
| super.visitClosure(closure); |
| } |
| } |
| |
| @Override |
| public void visitTypeDefinition(GrTypeDefinition typeDefinition) { |
| if (checkIntoInner && !typeDefinition.hasModifierProperty(PsiModifier.STATIC) ) { |
| super.visitTypeDefinition(typeDefinition); |
| } |
| } |
| }); |
| } |
| |
| @Override |
| public String validateName(String name, boolean increaseNumber) { |
| if (!mySet.contains(name)) return name; |
| if (increaseNumber) { |
| int i = 1; |
| //noinspection StatementWithEmptyBody |
| for (; mySet.contains(name + i); i++) ; |
| return name + i; |
| } |
| else { |
| return ""; |
| } |
| } |
| |
| @Override |
| public Project getProject() { |
| return myContext.getProject(); |
| } |
| } |