| /* |
| * Copyright 2003-2010 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.numeric; |
| |
| import com.intellij.psi.PsiArrayInitializerExpression; |
| import com.intellij.psi.PsiExpression; |
| import com.intellij.psi.PsiLiteralExpression; |
| import com.intellij.psi.PsiType; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import com.siyeh.ig.InspectionGadgetsFix; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class OctalAndDecimalIntegersMixedInspection |
| extends BaseInspection { |
| |
| @Override |
| @NotNull |
| public String getID() { |
| return "OctalAndDecimalIntegersInSameArray"; |
| } |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message( |
| "octal.and.decimal.integers.in.same.array.display.name"); |
| } |
| |
| @Override |
| @NotNull |
| public String buildErrorString(Object... infos) { |
| return InspectionGadgetsBundle.message( |
| "octal.and.decimal.integers.in.same.array.problem.descriptor"); |
| } |
| |
| @NotNull |
| @Override |
| protected InspectionGadgetsFix[] buildFixes(Object... infos) { |
| return new InspectionGadgetsFix[]{ |
| new ConvertOctalLiteralToDecimalFix(), |
| new RemoveLeadingZeroFix() |
| }; |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new OctalAndDecimalIntegersMixedVisitor(); |
| } |
| |
| private static class OctalAndDecimalIntegersMixedVisitor |
| extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitArrayInitializerExpression( |
| PsiArrayInitializerExpression expression) { |
| super.visitArrayInitializerExpression(expression); |
| final PsiExpression[] initializers = expression.getInitializers(); |
| boolean hasDecimalLiteral = false; |
| boolean hasOctalLiteral = false; |
| for (final PsiExpression initializer : initializers) { |
| if (initializer instanceof PsiLiteralExpression) { |
| final PsiLiteralExpression literal = |
| (PsiLiteralExpression)initializer; |
| if (isDecimalLiteral(literal)) { |
| hasDecimalLiteral = true; |
| } |
| if (isOctalLiteral(literal)) { |
| hasOctalLiteral = true; |
| } |
| } |
| } |
| if (hasOctalLiteral && hasDecimalLiteral) { |
| registerError(expression); |
| } |
| } |
| |
| private static boolean isDecimalLiteral(PsiLiteralExpression literal) { |
| final PsiType type = literal.getType(); |
| if (!PsiType.INT.equals(type) && |
| !PsiType.LONG.equals(type)) { |
| return false; |
| } |
| final String text = literal.getText(); |
| if ("0".equals(text)) { |
| return false; |
| } |
| return text.charAt(0) != '0'; |
| } |
| |
| private static boolean isOctalLiteral(PsiLiteralExpression literal) { |
| final PsiType type = literal.getType(); |
| if (!PsiType.INT.equals(type) && !PsiType.LONG.equals(type)) { |
| return false; |
| } |
| @NonNls final String text = literal.getText(); |
| if ("0".equals(text) || "0L".equals(text)) { |
| return false; |
| } |
| return text.charAt(0) == '0' && !text.startsWith("0x") && |
| !text.startsWith("0X"); |
| } |
| } |
| } |