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/*
* Copyright 2003-2014 Dave Griffith, Bas Leijdekkers
*
* 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 com.siyeh.ig.style;
import com.intellij.codeInspection.ProblemDescriptor;
import com.intellij.codeInspection.ui.SingleCheckboxOptionsPanel;
import com.intellij.openapi.project.Project;
import com.intellij.psi.*;
import com.intellij.psi.codeStyle.CodeStyleManager;
import com.intellij.psi.tree.IElementType;
import com.siyeh.InspectionGadgetsBundle;
import com.siyeh.ig.BaseInspection;
import com.siyeh.ig.BaseInspectionVisitor;
import com.siyeh.ig.InspectionGadgetsFix;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
public class CStyleArrayDeclarationInspection extends BaseInspection {
public boolean ignoreVariables = false;
@Override
@NotNull
public String getDisplayName() {
return InspectionGadgetsBundle.message(
"c.style.array.declaration.display.name");
}
@Override
@NotNull
protected String buildErrorString(Object... infos) {
final Object info = infos[0];
if (info instanceof PsiMethod) {
return InspectionGadgetsBundle.message("cstyle.array.method.declaration.problem.descriptor");
}
final int choice = info instanceof PsiField ? 1 : info instanceof PsiParameter ? 2 : 3;
return InspectionGadgetsBundle.message("cstyle.array.variable.declaration.problem.descriptor", Integer.valueOf(choice));
}
@Nullable
@Override
public JComponent createOptionsPanel() {
return new SingleCheckboxOptionsPanel("Ignore C-style declarations in variables", this, "ignoreVariables");
}
@Override
public InspectionGadgetsFix buildFix(Object... infos) {
return new CStyleArrayDeclarationFix();
}
private static class CStyleArrayDeclarationFix
extends InspectionGadgetsFix {
@Override
@NotNull
public String getName() {
return InspectionGadgetsBundle.message(
"c.style.array.declaration.replace.quickfix");
}
@Override
@NotNull
public String getFamilyName() {
return getName();
}
@Override
public void doFix(Project project, ProblemDescriptor descriptor) {
final PsiElement element = descriptor.getPsiElement().getParent();
if (element instanceof PsiVariable) {
final PsiVariable variable = (PsiVariable)element;
variable.normalizeDeclaration();
CodeStyleManager.getInstance(project).reformat(variable);
}
else if (element instanceof PsiMethod) {
final PsiMethod method = (PsiMethod)element;
final PsiTypeElement returnTypeElement = method.getReturnTypeElement();
if (returnTypeElement == null) {
return;
}
final PsiType returnType = method.getReturnType();
if (returnType == null) {
return;
}
PsiElement child = method.getParameterList();
while (!(child instanceof PsiCodeBlock)) {
final PsiElement element1 = child;
child = child.getNextSibling();
if (element1 instanceof PsiJavaToken) {
final PsiJavaToken token = (PsiJavaToken)element1;
final IElementType tokenType = token.getTokenType();
if (JavaTokenType.LBRACKET.equals(tokenType) || JavaTokenType.RBRACKET.equals(tokenType)) {
token.delete();
}
}
}
final PsiTypeElement typeElement = JavaPsiFacade.getElementFactory(project).createTypeElement(returnType);
returnTypeElement.replace(typeElement);
}
}
}
@Override
public BaseInspectionVisitor buildVisitor() {
return new CStyleArrayDeclarationVisitor();
}
private class CStyleArrayDeclarationVisitor extends BaseInspectionVisitor {
@Override
public void visitVariable(@NotNull PsiVariable variable) {
super.visitVariable(variable);
if (ignoreVariables) {
return;
}
final PsiType declaredType = variable.getType();
if (declaredType.getArrayDimensions() == 0) {
return;
}
final PsiTypeElement typeElement = variable.getTypeElement();
if (typeElement == null) {
return; // Could be true for enum constants.
}
final PsiType elementType = typeElement.getType();
if (elementType.equals(declaredType)) {
return;
}
registerVariableError(variable, variable);
}
@Override
public void visitMethod(PsiMethod method) {
super.visitMethod(method);
final PsiType returnType = method.getReturnType();
if (returnType == null || returnType.getArrayDimensions() == 0) {
return;
}
final PsiTypeElement typeElement = method.getReturnTypeElement();
if (typeElement == null) {
return;
}
final PsiType type = typeElement.getType();
if (type.equals(returnType)) {
return;
}
registerMethodError(method, method);
}
}
}
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