blob: ce49baabd94ae7a6ad79aad8a48032b151c80bda [file] [log] [blame]
/*
* Copyright 2003-2012 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.methodmetrics;
import com.intellij.codeInspection.ui.MultipleCheckboxOptionsPanel;
import com.intellij.psi.PsiMethod;
import com.siyeh.InspectionGadgetsBundle;
import com.siyeh.ig.BaseInspection;
import com.siyeh.ig.BaseInspectionVisitor;
import com.siyeh.ig.psiutils.MethodUtils;
import org.jetbrains.annotations.NotNull;
import javax.swing.*;
public class ThreeNegationsPerMethodInspection extends BaseInspection {
/**
* @noinspection PublicField
*/
public boolean m_ignoreInEquals = true;
@SuppressWarnings("UnusedDeclaration")
public boolean ignoreInAssert = false;
@Override
@NotNull
public String getID() {
return "MethodWithMoreThanThreeNegations";
}
@Override
@NotNull
public String getDisplayName() {
return InspectionGadgetsBundle.message(
"three.negations.per.method.display.name");
}
@Override
public JComponent createOptionsPanel() {
final MultipleCheckboxOptionsPanel panel = new MultipleCheckboxOptionsPanel(this);
panel.addCheckbox(InspectionGadgetsBundle.message("three.negations.per.method.ignore.option"), "m_ignoreInEquals");
panel.addCheckbox(InspectionGadgetsBundle.message("three.negations.per.method.ignore.assert.option"), "ignoreInAssert");
return panel;
}
@Override
@NotNull
public String buildErrorString(Object... infos) {
final Integer negationCount = (Integer)infos[0];
return InspectionGadgetsBundle.message(
"three.negations.per.method.problem.descriptor", negationCount);
}
@Override
public BaseInspectionVisitor buildVisitor() {
return new ThreeNegationsPerMethodVisitor();
}
private class ThreeNegationsPerMethodVisitor extends BaseInspectionVisitor {
@Override
public void visitMethod(@NotNull PsiMethod method) {
// note: no call to super
if (method.getNameIdentifier() == null) {
return;
}
final NegationCountVisitor visitor = new NegationCountVisitor(ignoreInAssert);
method.accept(visitor);
final int negationCount = visitor.getCount();
if (negationCount <= 3) {
return;
}
if (m_ignoreInEquals && MethodUtils.isEquals(method)) {
return;
}
registerMethodError(method, Integer.valueOf(negationCount));
}
}
}