.kotlin.kotlin-compiler.1.2.71.source-code.SourceFilePathResolver Maven / Gradle / Ivy
/*
* Copyright 2010-2017 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.kotlin.js.sourceMap;
import com.intellij.openapi.util.text.StringUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.kotlin.js.config.JSConfigurationKeys;
import org.jetbrains.kotlin.js.config.JsConfig;
import org.jetbrains.kotlin.js.inline.util.RelativePathCalculator;
import java.io.File;
import java.io.IOException;
import java.util.*;
import java.util.stream.Collectors;
public class SourceFilePathResolver {
@NotNull
private final Set sourceRoots;
@Nullable
private final RelativePathCalculator outputDirPathResolver;
@NotNull
private final Map cache = new HashMap<>();
public SourceFilePathResolver(@NotNull List sourceRoots) {
this(sourceRoots, null);
}
public SourceFilePathResolver(@NotNull List sourceRoots, @Nullable File outputDir) {
this.sourceRoots = new HashSet<>();
for (File sourceRoot : sourceRoots) {
this.sourceRoots.add(sourceRoot.getAbsoluteFile());
}
outputDirPathResolver = outputDir != null ? new RelativePathCalculator(outputDir) : null;
}
@NotNull
public String getPathRelativeToSourceRoots(@NotNull File file) throws IOException {
String path = cache.get(file);
if (path == null) {
path = calculatePathRelativeToSourceRoots(file);
cache.put(file, path);
}
return path;
}
@NotNull
private String calculatePathRelativeToSourceRoots(@NotNull File file) throws IOException {
String pathRelativeToOutput = calculatePathRelativeToOutput(file);
if (pathRelativeToOutput != null) return pathRelativeToOutput;
List parts = new ArrayList<>();
File currentFile = file.getCanonicalFile();
while (currentFile != null) {
if (sourceRoots.contains(currentFile)) {
if (parts.isEmpty()) {
break;
}
Collections.reverse(parts);
return StringUtil.join(parts, File.separator);
}
parts.add(currentFile.getName());
currentFile = currentFile.getParentFile();
}
return file.getName();
}
@Nullable
private String calculatePathRelativeToOutput(@NotNull File file) {
return outputDirPathResolver != null ? outputDirPathResolver.calculateRelativePathTo(file) : null;
}
@NotNull
public static SourceFilePathResolver create(@NotNull JsConfig config) {
List sourceRoots = config.getSourceMapRoots().stream().map(File::new).collect(Collectors.toList());
File outputDir = null;
if (config.shouldGenerateRelativePathsInSourceMap()) {
outputDir = config.getConfiguration().get(JSConfigurationKeys.OUTPUT_DIR);
}
return new SourceFilePathResolver(sourceRoots, outputDir);
}
}