001    /*
002     * Copyright 2010-2013 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.lang.types.lang;
018    
019    import org.jetbrains.annotations.NotNull;
020    import org.jetbrains.jet.descriptors.serialization.ClassId;
021    import org.jetbrains.jet.lang.resolve.name.FqName;
022    import org.jetbrains.jet.lang.resolve.name.FqNameUnsafe;
023    import org.jetbrains.jet.lang.resolve.name.Name;
024    
025    import java.util.ArrayList;
026    import java.util.List;
027    
028    import static org.jetbrains.jet.lang.resolve.name.SpecialNames.isClassObjectName;
029    
030    public class BuiltInsSerializationUtil {
031        private static final String CLASS_METADATA_FILE_EXTENSION = "kotlin_class";
032        private static final String PACKAGE_FILE_NAME = ".kotlin_package";
033        private static final String NAME_TABLE_FILE_NAME = ".kotlin_name_table";
034        private static final String CLASS_NAMES_FILE_NAME = ".kotlin_class_names";
035        private static final String CLASS_OBJECT_NAME = "object";
036    
037        private BuiltInsSerializationUtil() {
038        }
039    
040        @NotNull
041        public static String relativeClassNameToFilePath(@NotNull FqNameUnsafe className) {
042            List<Name> segments = className.pathSegments();
043            List<String> correctedSegments = new ArrayList<String>(segments.size());
044            for (Name segment : segments) {
045                correctedSegments.add(isClassObjectName(segment) ? CLASS_OBJECT_NAME : segment.getIdentifier());
046            }
047            return FqName.fromSegments(correctedSegments).asString();
048        }
049    
050        @NotNull
051        public static String getClassMetadataPath(@NotNull ClassId classId) {
052            return packageFqNameToPath(classId.getPackageFqName())
053                   + "/" + relativeClassNameToFilePath(classId.getRelativeClassName())
054                   + "." + CLASS_METADATA_FILE_EXTENSION;
055        }
056    
057        @NotNull
058        public static String getPackageFilePath(@NotNull FqName fqName) {
059            return packageFqNameToPath(fqName) + "/" + PACKAGE_FILE_NAME;
060        }
061    
062        @NotNull
063        public static String getNameTableFilePath(@NotNull FqName fqName) {
064            return packageFqNameToPath(fqName) + "/" + NAME_TABLE_FILE_NAME;
065        }
066    
067        @NotNull
068        public static String getClassNamesFilePath(@NotNull FqName fqName) {
069            return packageFqNameToPath(fqName) + "/" + CLASS_NAMES_FILE_NAME;
070        }
071    
072        private static String packageFqNameToPath(FqName fqName) {
073            return fqName.asString().replace('.', '/');
074        }
075    }