001    /*
002     * Copyright 2010-2014 JetBrains s.r.o.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    
017    package org.jetbrains.jet.cli.common.arguments;
018    
019    import org.jetbrains.annotations.Nullable;
020    
021    public class CompilerArgumentsUtil {
022        public static boolean optionToBooleanFlag(@Nullable String option, boolean defaultValue) {
023            boolean enabled = "on".equalsIgnoreCase(option) || "true".equalsIgnoreCase(option);
024            boolean disabled = "off".equalsIgnoreCase(option) || "false".equalsIgnoreCase(option);
025            return (enabled || disabled) ? enabled : defaultValue;
026        }
027    
028        public static boolean checkOption(@Nullable String option)  {
029            return option == null ||
030                   "on".equalsIgnoreCase(option) ||
031                   "off".equalsIgnoreCase(option) ||
032                   "true".equalsIgnoreCase(option) ||
033                   "false".equalsIgnoreCase(option);
034        }
035    
036        public static String getWrongInlineOptionErrorMessage(@Nullable String inline) {
037            return "Wrong value for inline option: '" + inline + "'. Should be 'on'/'off' or 'true'/'false'";
038        }
039    }