| /* |
| * Copyright 2000-2010 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 com.siyeh.ipp.integer; |
| |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiLiteralExpression; |
| import com.intellij.psi.PsiType; |
| import com.siyeh.ipp.base.PsiElementPredicate; |
| |
| /** |
| * @author Konstantin Bulenkov |
| */ |
| class ConvertToScientificNotationPredicate implements PsiElementPredicate { |
| |
| public boolean satisfiedBy(PsiElement element) { |
| if (!(element instanceof PsiLiteralExpression)) { |
| return false; |
| } |
| final PsiLiteralExpression expression = (PsiLiteralExpression)element; |
| final PsiType type = expression.getType(); |
| if (!PsiType.DOUBLE.equals(type) && !PsiType.FLOAT.equals(type)) { |
| return false; |
| } |
| String text = expression.getText(); |
| if (text == null) { |
| return false; |
| } |
| text = text.toLowerCase(); |
| if (text.startsWith("-")) { |
| text = text.substring(1); |
| } |
| if (!text.contains(".") && text.startsWith("0")) { |
| return false; //Octal integer |
| } |
| return !text.contains("e"); |
| } |
| } |