@Nullable
public VirtualFile getPackageDirIfLivePackageOrFromPubListPackageDirs(
@NotNull final String packageName, @Nullable final String pathRelToPackageDir) {
final VirtualFile dir = myLivePackageNameToDirMap.get(packageName);
if (dir != null) return dir;
final Set<String> dirPaths = myPubListPackageDirsMap.get(packageName);
if (dirPaths != null) {
VirtualFile notNullPackageDir = null;
for (String dirPath : dirPaths) {
final VirtualFile packageDir =
ApplicationManager.getApplication().isUnitTestMode()
? TempFileSystem.getInstance().findFileByPath(dirPath)
: LocalFileSystem.getInstance().findFileByPath(dirPath);
if (notNullPackageDir == null && packageDir != null) {
notNullPackageDir = packageDir;
}
if (packageDir != null
&& (StringUtil.isEmpty(pathRelToPackageDir)
|| packageDir.findFileByRelativePath(pathRelToPackageDir) != null)) {
return packageDir;
}
}
return notNullPackageDir; // file by pathRelToPackageDir was not found, but not-null
// packageDir still may be useful
}
return null;
}
@Nullable
public ProblemDescriptor[] checkFile(
@NotNull PsiFile file, @NotNull InspectionManager manager, boolean isOnTheFly) {
if (InjectedLanguageManager.getInstance(file.getProject()).isInjectedFragment(file))
return null;
if (ArrayUtil.find(file.getPsiRoots(), file) != 0) return null;
if (!file.isPhysical()) return null;
VirtualFile virtualFile = file.getVirtualFile();
if (virtualFile == null) return null;
if (virtualFile.getFileSystem() != LocalFileSystem.getInstance()
// tests
&& virtualFile.getFileSystem() != TempFileSystem.getInstance()) return null;
String text = file.getText();
Charset charset =
LoadTextUtil.extractCharsetFromFileContent(file.getProject(), virtualFile, text);
// no sense in checking transparently decoded file: all characters there are already safely
// encoded
if (charset instanceof Native2AsciiCharset) return null;
List<ProblemDescriptor> descriptors = new SmartList<ProblemDescriptor>();
checkIfCharactersWillBeLostAfterSave(file, manager, isOnTheFly, text, charset, descriptors);
checkFileLoadedInWrongEncoding(file, manager, isOnTheFly, virtualFile, charset, descriptors);
return descriptors.toArray(new ProblemDescriptor[descriptors.size()]);
}
@NotNull
private VirtualFilePointer create(
@Nullable VirtualFile file,
@NotNull String url,
@NotNull final Disposable parentDisposable,
@Nullable VirtualFilePointerListener listener) {
String protocol;
VirtualFileSystem fileSystem;
if (file == null) {
protocol = VirtualFileManager.extractProtocol(url);
fileSystem = myVirtualFileManager.getFileSystem(protocol);
} else {
protocol = null;
fileSystem = file.getFileSystem();
}
if (fileSystem == TempFileSystem.getInstance()) {
// for tests, recreate always since
VirtualFile found =
fileSystem == null
? null
: file != null ? file : VirtualFileManager.getInstance().findFileByUrl(url);
return new IdentityVirtualFilePointer(found, url);
}
if (fileSystem != LocalFileSystem.getInstance() && fileSystem != JarFileSystem.getInstance()) {
// we are unable to track alien file systems for now
VirtualFile found =
fileSystem == null
? null
: file != null ? file : VirtualFileManager.getInstance().findFileByUrl(url);
// if file is null, this pointer will never be alive
return getOrCreateIdentity(url, found);
}
String path;
if (file == null) {
path = VirtualFileManager.extractPath(url);
path = cleanupPath(path, protocol);
url = VirtualFileManager.constructUrl(protocol, path);
} else {
path = file.getPath();
// url has come from VirtualFile.getUrl() and is good enough
}
VirtualFilePointerImpl pointer = getOrCreate(file, url, parentDisposable, listener, path);
int newCount = pointer.incrementUsageCount();
if (newCount == 1) {
Disposer.register(parentDisposable, pointer);
} else {
// already registered
register(parentDisposable, pointer);
}
return pointer;
}
@Nullable
public VirtualFile findFileByDartUrl(final @NotNull String url) {
if (url.startsWith(DART_PREFIX)) {
return findFileInDartSdkLibFolder(myProject, myDartSdk, url);
}
if (url.startsWith(PACKAGE_PREFIX)) {
final String packageRelPath = url.substring(PACKAGE_PREFIX.length());
final int slashIndex = packageRelPath.indexOf('/');
final String packageName =
slashIndex > 0 ? packageRelPath.substring(0, slashIndex) : packageRelPath;
final String pathRelToPackageDir =
slashIndex > 0 ? packageRelPath.substring(slashIndex + 1) : "";
final VirtualFile packageDir =
StringUtil.isEmpty(packageName) ? null : myLivePackageNameToDirMap.get(packageName);
if (packageDir != null) {
return packageDir.findFileByRelativePath(pathRelToPackageDir);
}
for (final VirtualFile packageRoot : myPackageRoots) {
final VirtualFile file = packageRoot.findFileByRelativePath(packageRelPath);
if (file != null) {
return file;
}
}
final Set<String> packageDirs = myPubListPackageDirsMap.get(packageName);
if (packageDirs != null) {
for (String packageDirPath : packageDirs) {
final VirtualFile file =
LocalFileSystem.getInstance()
.findFileByPath(packageDirPath + "/" + pathRelToPackageDir);
if (file != null) {
return file;
}
}
}
}
if (url.startsWith(FILE_PREFIX)) {
final String path = StringUtil.trimLeading(url.substring(FILE_PREFIX.length()), '/');
return LocalFileSystem.getInstance()
.findFileByPath(SystemInfo.isWindows ? path : ("/" + path));
}
if (ApplicationManager.getApplication().isUnitTestMode() && url.startsWith(TEMP_PREFIX)) {
return TempFileSystem.getInstance().findFileByPath(url.substring((TEMP_PREFIX).length()));
}
return null;
}
@Nullable
private static VirtualFile getByFullPath(String filePath) {
final VirtualFile fileByPath = LocalFileSystem.getInstance().findFileByPath(filePath);
if (fileByPath != null) {
return fileByPath;
}
// if we are in UnitTest mode probably TempFileSystem is used instead of LocalFileSystem
if (ApplicationManager.getApplication().isUnitTestMode()) {
return TempFileSystem.getInstance().findFileByPath(filePath);
}
return null;
}
@SuppressWarnings("UnsafeVfsRecursion")
public static void assertDirectoriesEqual(
VirtualFile dirAfter, VirtualFile dirBefore, @Nullable VirtualFileFilter fileFilter)
throws IOException {
FileDocumentManager.getInstance().saveAllDocuments();
VirtualFile[] childrenAfter = dirAfter.getChildren();
if (dirAfter.isInLocalFileSystem()
&& dirAfter.getFileSystem() != TempFileSystem.getInstance()) {
File[] ioAfter = new File(dirAfter.getPath()).listFiles();
shallowCompare(childrenAfter, ioAfter);
}
VirtualFile[] childrenBefore = dirBefore.getChildren();
if (dirBefore.isInLocalFileSystem()
&& dirBefore.getFileSystem() != TempFileSystem.getInstance()) {
File[] ioBefore = new File(dirBefore.getPath()).listFiles();
shallowCompare(childrenBefore, ioBefore);
}
HashMap<String, VirtualFile> mapAfter = buildNameToFileMap(childrenAfter, fileFilter);
HashMap<String, VirtualFile> mapBefore = buildNameToFileMap(childrenBefore, fileFilter);
Set<String> keySetAfter = mapAfter.keySet();
Set<String> keySetBefore = mapBefore.keySet();
assertEquals(dirAfter.getPath(), keySetAfter, keySetBefore);
for (String name : keySetAfter) {
VirtualFile fileAfter = mapAfter.get(name);
VirtualFile fileBefore = mapBefore.get(name);
if (fileAfter.isDirectory()) {
assertDirectoriesEqual(fileAfter, fileBefore, fileFilter);
} else {
assertFilesEqual(fileAfter, fileBefore);
}
}
}