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.k2js.config;
018    
019    import com.google.common.collect.Lists;
020    import com.intellij.openapi.diagnostic.Logger;
021    import com.intellij.openapi.project.Project;
022    import com.intellij.openapi.util.Key;
023    import com.intellij.openapi.util.io.FileUtil;
024    import com.intellij.openapi.vfs.*;
025    import com.intellij.psi.PsiFile;
026    import com.intellij.psi.PsiManager;
027    import org.jetbrains.annotations.NotNull;
028    import org.jetbrains.jet.lang.psi.JetFile;
029    import org.jetbrains.k2js.utils.JetFileUtils;
030    
031    import java.io.IOException;
032    import java.io.InputStream;
033    import java.util.ArrayList;
034    import java.util.Collections;
035    import java.util.Enumeration;
036    import java.util.List;
037    import java.util.zip.ZipEntry;
038    import java.util.zip.ZipFile;
039    
040    public class LibrarySourcesConfig extends Config {
041        @NotNull
042        public static final Key<String> EXTERNAL_MODULE_NAME = Key.create("externalModule");
043        @NotNull
044        public static final String UNKNOWN_EXTERNAL_MODULE_NAME = "<unknown>";
045    
046        @NotNull
047        private static final Logger LOG = Logger.getInstance("#org.jetbrains.k2js.config.LibrarySourcesConfig");
048    
049        @NotNull
050        private final List<String> files;
051    
052        public LibrarySourcesConfig(
053                @NotNull Project project,
054                @NotNull String moduleId,
055                @NotNull List<String> files,
056                @NotNull EcmaVersion ecmaVersion,
057                boolean sourcemap
058        ) {
059            super(project, moduleId, ecmaVersion, sourcemap);
060            this.files = files;
061        }
062    
063        @NotNull
064        @Override
065        protected List<JetFile> generateLibFiles() {
066            if (files.isEmpty()) {
067                return Collections.emptyList();
068            }
069    
070            List<JetFile> jetFiles = new ArrayList<JetFile>();
071            String moduleName = UNKNOWN_EXTERNAL_MODULE_NAME;
072            VirtualFileSystem fileSystem = VirtualFileManager.getInstance().getFileSystem(StandardFileSystems.FILE_PROTOCOL);
073            PsiManager psiManager = PsiManager.getInstance(getProject());
074    
075            for (String path : files) {
076                if (path.charAt(0) == '@') {
077                    moduleName = path.substring(1);
078                }
079                else if (path.endsWith(".jar") || path.endsWith(".zip")) {
080                    try {
081                        jetFiles.addAll(readZip(path));
082                    }
083                    catch (IOException e) {
084                        LOG.error(e);
085                    }
086                }
087                else {
088                    VirtualFile file = fileSystem.findFileByPath(path);
089                    if (file == null) {
090                        LOG.error("File '" + path + "not found.'");
091                    }
092                    else if (file.isDirectory()) {
093                        JetFileCollector jetFileCollector = new JetFileCollector(jetFiles, moduleName, psiManager);
094                        VfsUtilCore.visitChildrenRecursively(file, jetFileCollector);
095                    }
096                    else {
097                        jetFiles.add(getJetFileByVirtualFile(file, moduleName, psiManager));
098                    }
099                }
100            }
101    
102            return jetFiles;
103        }
104    
105        private List<JetFile> readZip(String file) throws IOException {
106            ZipFile zipFile = new ZipFile(file);
107            try {
108                return traverseArchive(zipFile);
109            }
110            finally {
111                zipFile.close();
112            }
113        }
114    
115        @NotNull
116        private List<JetFile> traverseArchive(@NotNull ZipFile file) throws IOException {
117            List<JetFile> result = Lists.newArrayList();
118            Enumeration<? extends ZipEntry> zipEntries = file.entries();
119            while (zipEntries.hasMoreElements()) {
120                ZipEntry entry = zipEntries.nextElement();
121                if (!entry.isDirectory() && entry.getName().endsWith(".kt")) {
122                    InputStream stream = file.getInputStream(entry);
123                    String text = FileUtil.loadTextAndClose(stream);
124                    JetFile jetFile = JetFileUtils.createJetFile(entry.getName(), text, getProject());
125                    jetFile.putUserData(EXTERNAL_MODULE_NAME, UNKNOWN_EXTERNAL_MODULE_NAME);
126                    result.add(jetFile);
127                }
128            }
129            return result;
130        }
131    
132        private static JetFile getJetFileByVirtualFile(VirtualFile file, String moduleName, PsiManager psiManager) {
133            PsiFile psiFile = psiManager.findFile(file);
134            assert psiFile != null;
135            psiFile.putUserData(EXTERNAL_MODULE_NAME, moduleName);
136            return (JetFile) psiFile;
137        }
138    
139        private static class JetFileCollector extends VirtualFileVisitor {
140            private final List<JetFile> jetFiles;
141            private final String moduleName;
142            private final PsiManager psiManager;
143    
144            private JetFileCollector(List<JetFile> files, String name, PsiManager manager) {
145                moduleName = name;
146                psiManager = manager;
147                jetFiles = files;
148            }
149    
150            @Override
151            public boolean visitFile(@NotNull VirtualFile file) {
152                if (file.getName().endsWith(".kt")) {
153                    jetFiles.add(getJetFileByVirtualFile(file, moduleName, psiManager));
154                    return false;
155                }
156                return true;
157            }
158        }
159    }