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// Copyright 2000-2021 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
package org.jetbrains.plugins.gradle.config;
import com.intellij.execution.wsl.WSLDistribution;
import com.intellij.execution.wsl.WslDistributionManager;
import com.intellij.execution.wsl.WslPath;
import com.intellij.openapi.module.Module;
import com.intellij.openapi.module.ModuleUtilCore;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.roots.ProjectRootManager;
import com.intellij.openapi.util.Key;
import com.intellij.openapi.util.io.FileUtil;
import com.intellij.openapi.vfs.LocalFileSystem;
import com.intellij.openapi.vfs.VfsUtilCore;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.PsiClass;
import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiManager;
import com.intellij.psi.search.GlobalSearchScope;
import com.intellij.psi.util.CachedValue;
import com.intellij.psi.util.CachedValueProvider;
import com.intellij.psi.util.CachedValuesManager;
import com.intellij.util.containers.ConcurrentFactoryMap;
import com.intellij.util.io.URLUtil;
import com.sun.jdi.AbsentInformationException;
import com.sun.jdi.ReferenceType;
import org.gradle.api.internal.file.IdentityFileResolver;
import org.gradle.groovy.scripts.TextResourceScriptSource;
import org.gradle.internal.resource.DefaultTextFileResourceLoader;
import org.gradle.internal.resource.TextResource;
import org.gradle.internal.resource.UriTextResource;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.plugins.groovy.extensions.debugger.ScriptPositionManagerHelper;
import org.jetbrains.plugins.groovy.lang.psi.GroovyFile;
import org.jetbrains.plugins.groovy.runner.GroovyScriptUtil;
import java.io.File;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.List;
import java.util.Map;
import java.util.regex.Pattern;
public class GradlePositionManager extends ScriptPositionManagerHelper {
private static final Key<CachedValue<Map<File, String>>> GRADLE_CLASS_NAME = Key.create("GRADLE_CLASS_NAME");
@Override
public boolean isAppropriateRuntimeName(@NotNull final String runtimeName) {
return true;
}
@Override
public boolean isAppropriateScriptFile(@NotNull final GroovyFile scriptFile) {
return GroovyScriptUtil.isSpecificScriptFile(scriptFile, GradleScriptType.INSTANCE);
}
@Override
@NotNull
public String getRuntimeScriptName(@NotNull GroovyFile groovyFile) {
VirtualFile virtualFile = groovyFile.getVirtualFile();
if (virtualFile == null) return "";
final Module module = ModuleUtilCore.findModuleForPsiElement(groovyFile);
if (module == null) {
return "";
}
final File scriptFile = VfsUtilCore.virtualToIoFile(virtualFile);
final String className = CachedValuesManager.getManager(module.getProject())
.getCachedValue(module, GRADLE_CLASS_NAME, new ScriptSourceMapCalculator(module), false)
.get(scriptFile);
return className == null ? "" : className;
}
@Nullable
@Override
public String customizeClassName(@NotNull PsiClass psiClass) {
PsiFile file = psiClass.getContainingFile();
if (file instanceof GroovyFile) {
return getRuntimeScriptName((GroovyFile)file);
}
else {
return null;
}
}
@Override
public PsiFile getExtraScriptIfNotFound(@NotNull ReferenceType refType,
@NotNull String runtimeName,
@NotNull Project project,
@NotNull GlobalSearchScope scope) {
String sourceFilePath = getScriptForClassName(refType);
if (sourceFilePath == null) return null;
sourceFilePath = getLocalFilePath(project, sourceFilePath);
VirtualFile virtualFile = LocalFileSystem.getInstance().findFileByPath(FileUtil.toSystemIndependentName(sourceFilePath));
if (virtualFile == null) return null;
return PsiManager.getInstance(project).findFile(virtualFile);
}
private static String getLocalFilePath(@NotNull Project project, @NotNull String sourceFilePath) {
// TODO add the support for other run targets mappings
String projectBasePath = project.getBasePath();
if (projectBasePath != null && WslDistributionManager.isWslPath(projectBasePath)) {
WSLDistribution wslDistribution = WslPath.getDistributionByWindowsUncPath(projectBasePath);
if (wslDistribution != null) {
String windowsPath = wslDistribution.getWindowsPath(sourceFilePath);
if (windowsPath != null) {
sourceFilePath = windowsPath;
}
}
}
return sourceFilePath;
}
@Nullable
private static String getScriptForClassName(@NotNull ReferenceType refType) {
try {
final List<String> data = refType.sourcePaths(null);
if (!data.isEmpty()) {
return data.get(0);
}
}
catch (AbsentInformationException ignored) {
}
return null;
}
private static class ScriptSourceMapCalculator implements CachedValueProvider<Map<File, String>> {
private final Module myModule;
ScriptSourceMapCalculator(Module module) {
myModule = module;
}
@Override
public Result<Map<File, String>> compute() {
final Map<File, String> result = ConcurrentFactoryMap.createMap(ScriptSourceMapCalculator::calcClassName);
return Result.create(result, ProjectRootManager.getInstance(myModule.getProject()));
}
@Nullable
private static String calcClassName(File scriptFile) {
TextResource resource = getResource(scriptFile);
return new TextResourceScriptSource(resource).getClassName();
}
private static TextResource getResource(File scriptFile) {
TextResource resource = null;
// TODO add the support for other run targets mappings
if (WslDistributionManager.isWslPath(scriptFile.getPath())) {
resource = getWslUriResource(scriptFile);
}
if (resource == null) {
resource = new DefaultTextFileResourceLoader(new IdentityFileResolver()).loadFile("script", scriptFile);
}
return resource;
}
@Nullable
private static TextResource getWslUriResource(@NotNull File scriptFile) {
WSLDistribution wslDistribution = WslPath.getDistributionByWindowsUncPath(scriptFile.getPath());
if (wslDistribution == null) return null;
String wslPath = wslDistribution.getWslPath(scriptFile.getPath());
if (wslPath == null) return null;
return new UriTextResource("script", pathToUri(wslPath), new IdentityFileResolver());
}
// version of File(path).toURI() w/o using system-dependent java.io.File
private static @Nullable URI pathToUri(@NotNull String path) {
try {
String p = slashify(path);
return new URI(URLUtil.FILE_PROTOCOL, null, p.startsWith("//") ? ("//" + p) : p, null);
}
catch (URISyntaxException ignore) {
}
return null;
}
// java.io.File#slashify
private static String slashify(String path) {
String name = FileUtil.toSystemIndependentName(path);
return name.startsWith("/") ? name : "/" + name;
}
}
}
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