| /* |
| * 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.lang.psi.impl.utils; |
| |
| import com.intellij.psi.tree.IElementType; |
| import org.jetbrains.plugins.groovy.lang.lexer.GroovyTokenTypes; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrBinaryExpression; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrExpression; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| public class ComparisonUtils { |
| private static final Map<IElementType, String> s_comparisonStrings = new HashMap<IElementType, String>(6); |
| private static final Map<IElementType, String> s_swappedComparisons = new HashMap<IElementType, String>(6); |
| private static final Map<IElementType, String> s_invertedComparisons = new HashMap<IElementType, String>(6); |
| |
| private ComparisonUtils() { |
| } |
| |
| static { |
| s_comparisonStrings.put(GroovyTokenTypes.mEQUAL, "=="); |
| s_comparisonStrings.put(GroovyTokenTypes.mNOT_EQUAL, "!="); |
| s_comparisonStrings.put(GroovyTokenTypes.mGT, ">"); |
| s_comparisonStrings.put(GroovyTokenTypes.mLT, "<"); |
| s_comparisonStrings.put(GroovyTokenTypes.mGE, ">="); |
| s_comparisonStrings.put(GroovyTokenTypes.mLE, "<="); |
| |
| s_swappedComparisons.put(GroovyTokenTypes.mEQUAL, "=="); |
| s_swappedComparisons.put(GroovyTokenTypes.mNOT_EQUAL, "!="); |
| s_swappedComparisons.put(GroovyTokenTypes.mGT, "<"); |
| s_swappedComparisons.put(GroovyTokenTypes.mLT, ">"); |
| s_swappedComparisons.put(GroovyTokenTypes.mGE, "<="); |
| s_swappedComparisons.put(GroovyTokenTypes.mLE, ">="); |
| |
| s_invertedComparisons.put(GroovyTokenTypes.mEQUAL, "!="); |
| s_invertedComparisons.put(GroovyTokenTypes.mNOT_EQUAL, "=="); |
| s_invertedComparisons.put(GroovyTokenTypes.mGT, "<="); |
| s_invertedComparisons.put(GroovyTokenTypes.mLT, ">="); |
| s_invertedComparisons.put(GroovyTokenTypes.mGE, "<"); |
| s_invertedComparisons.put(GroovyTokenTypes.mLE, ">"); |
| } |
| |
| public static boolean isComparison(GrExpression exp) { |
| if (!(exp instanceof GrBinaryExpression)) { |
| return false; |
| } |
| final GrBinaryExpression binaryExpression = (GrBinaryExpression) exp; |
| final IElementType sign = binaryExpression.getOperationTokenType(); |
| return s_comparisonStrings.containsKey(sign); |
| } |
| |
| public static String getStringForComparison(IElementType str) { |
| return s_comparisonStrings.get(str); |
| } |
| |
| public static String getFlippedComparison(IElementType str) { |
| return s_swappedComparisons.get(str); |
| } |
| |
| public static String getNegatedComparison(IElementType str) { |
| return s_invertedComparisons.get(str); |
| } |
| } |