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// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
import CoreFoundation
@_silgen_name("swift_getTypeContextDescriptor")
private func _getTypeContextDescriptor(of cls: AnyClass) -> UnsafeRawPointer
open class Bundle: NSObject {
private var _bundle : CFBundle!
public static var _supportsFHSBundles: Bool {
#if DEPLOYMENT_RUNTIME_OBJC
return false
#else
return _CFBundleSupportsFHSBundles()
#endif
}
public static var _supportsFreestandingBundles: Bool {
#if DEPLOYMENT_RUNTIME_OBJC
return false
#else
return _CFBundleSupportsFreestandingBundles()
#endif
}
private static var _mainBundle : Bundle = {
return Bundle(cfBundle: CFBundleGetMainBundle())
}()
open class var main: Bundle {
get {
return _mainBundle
}
}
private class var allBundlesRegardlessOfType: [Bundle] {
// FIXME: This doesn't return bundles that weren't loaded using CFBundle or class Bundle. https://bugs.swift.org/browse/SR-10433
guard let bundles = CFBundleGetAllBundles()?._swiftObject as? [CFBundle] else { return [] }
return bundles.map(Bundle.init(cfBundle:))
}
private var isFramework: Bool {
#if os(macOS) || os(iOS) || os(watchOS) || os(tvOS)
return bundleURL.pathExtension == "framework"
#else
#if os(Windows)
if let name = _CFBundleCopyExecutablePath(_bundle)?._nsObject {
return name.pathExtension.lowercased == "dll"
}
#else
// We're assuming this is an OS like Linux or BSD that uses FHS-style library names (lib….so or lib….so.2.3.4)
if let name = _CFBundleCopyExecutablePath(_bundle)?._nsObject {
return name.hasPrefix("lib") && (name.pathExtension == "so" || name.range(of: ".so.").location != NSNotFound)
}
#endif
return false
#endif
}
open class var allBundles: [Bundle] {
return allBundlesRegardlessOfType.filter { !$0.isFramework }
}
open class var allFrameworks: [Bundle] {
return allBundlesRegardlessOfType.filter { $0.isFramework }
}
internal init(cfBundle: CFBundle) {
super.init()
_bundle = cfBundle
}
public init?(path: String) {
super.init()
// TODO: We do not yet resolve symlinks, but we must for compatibility
// let resolvedPath = path._nsObject.stringByResolvingSymlinksInPath
let resolvedPath = path
guard resolvedPath.length > 0 else {
return nil
}
let url = URL(fileURLWithPath: resolvedPath)
_bundle = CFBundleCreate(kCFAllocatorSystemDefault, url._cfObject)
if (_bundle == nil) {
return nil
}
}
public convenience init?(url: URL) {
self.init(path: url.path)
}
#if os(Windows)
@available(Windows, deprecated, message: "Not yet implemented.")
public init(for aClass: AnyClass) {
NSUnimplemented()
}
#else
public init(for aClass: AnyClass) {
let pointerInImageOfClass = _getTypeContextDescriptor(of: aClass)
guard let imagePath = _CFBundleCopyLoadedImagePathForAddress(pointerInImageOfClass)?._swiftObject else {
_bundle = CFBundleGetMainBundle()
return
}
let path = (try? FileManager.default._canonicalizedPath(toFileAtPath: imagePath)) ?? imagePath
let url = URL(fileURLWithPath: path)
if Bundle.main.executableURL == url {
_bundle = CFBundleGetMainBundle()
return
}
for bundle in Bundle.allBundlesRegardlessOfType {
if bundle.executableURL == url {
_bundle = bundle._bundle
return
}
}
let bundle = _CFBundleCreateWithExecutableURLIfMightBeBundle(kCFAllocatorSystemDefault, url._cfObject)?.takeRetainedValue()
_bundle = bundle ?? CFBundleGetMainBundle()
}
#endif
public init?(identifier: String) {
super.init()
guard let result = CFBundleGetBundleWithIdentifier(identifier._cfObject) else {
return nil
}
_bundle = result
}
public convenience init?(_executableURL: URL) {
guard let bundleURL = _CFBundleCopyBundleURLForExecutableURL(_executableURL._cfObject)?.takeRetainedValue() else {
return nil
}
self.init(url: bundleURL._swiftObject)
}
override open var description: String {
return "\(String(describing: Bundle.self)) <\(bundleURL.path)> (\(isLoaded ? "loaded" : "not yet loaded"))"
}
/* Methods for loading and unloading bundles. */
open func load() -> Bool {
return CFBundleLoadExecutable(_bundle)
}
open var isLoaded: Bool {
return CFBundleIsExecutableLoaded(_bundle)
}
@available(*,deprecated,message:"Not available on non-Darwin platforms")
open func unload() -> Bool { NSUnsupported() }
open func preflight() throws {
var unmanagedError:Unmanaged<CFError>? = nil
try withUnsafeMutablePointer(to: &unmanagedError) { (unmanagedCFError: UnsafeMutablePointer<Unmanaged<CFError>?>) in
CFBundlePreflightExecutable(_bundle, unmanagedCFError)
if let error = unmanagedCFError.pointee {
throw error.takeRetainedValue()._nsObject
}
}
}
open func loadAndReturnError() throws {
var unmanagedError:Unmanaged<CFError>? = nil
try withUnsafeMutablePointer(to: &unmanagedError) { (unmanagedCFError: UnsafeMutablePointer<Unmanaged<CFError>?>) in
CFBundleLoadExecutableAndReturnError(_bundle, unmanagedCFError)
if let error = unmanagedCFError.pointee {
let retainedValue = error.takeRetainedValue()
throw retainedValue._nsObject
}
}
}
/* Methods for locating various components of a bundle. */
open var bundleURL: URL {
return CFBundleCopyBundleURL(_bundle)._swiftObject
}
open var resourceURL: URL? {
return CFBundleCopyResourcesDirectoryURL(_bundle)?._swiftObject
}
open var executableURL: URL? {
return CFBundleCopyExecutableURL(_bundle)?._swiftObject
}
open func url(forAuxiliaryExecutable executableName: String) -> URL? {
return CFBundleCopyAuxiliaryExecutableURL(_bundle, executableName._cfObject)?._swiftObject
}
open var privateFrameworksURL: URL? {
return CFBundleCopyPrivateFrameworksURL(_bundle)?._swiftObject
}
open var sharedFrameworksURL: URL? {
return CFBundleCopySharedFrameworksURL(_bundle)?._swiftObject
}
open var sharedSupportURL: URL? {
return CFBundleCopySharedSupportURL(_bundle)?._swiftObject
}
open var builtInPlugInsURL: URL? {
return CFBundleCopyBuiltInPlugInsURL(_bundle)?._swiftObject
}
open var appStoreReceiptURL: URL? {
// Always nil on this platform
return nil
}
open var bundlePath: String {
return bundleURL.path
}
open var resourcePath: String? {
return resourceURL?.path
}
open var executablePath: String? {
return executableURL?.path
}
open func path(forAuxiliaryExecutable executableName: String) -> String? {
return url(forAuxiliaryExecutable: executableName)?.path
}
open var privateFrameworksPath: String? {
return privateFrameworksURL?.path
}
open var sharedFrameworksPath: String? {
return sharedFrameworksURL?.path
}
open var sharedSupportPath: String? {
return sharedSupportURL?.path
}
open var builtInPlugInsPath: String? {
return builtInPlugInsURL?.path
}
// -----------------------------------------------------------------------------------
// MARK: - URL Resource Lookup - Class
open class func url(forResource name: String?, withExtension ext: String?, subdirectory subpath: String?, in bundleURL: URL) -> URL? {
// If both name and ext are nil/zero-length, return nil
if (name == nil || name!.isEmpty) && (ext == nil || ext!.isEmpty) {
return nil
}
return CFBundleCopyResourceURLInDirectory(bundleURL._cfObject, name?._cfObject, ext?._cfObject, subpath?._cfObject)._swiftObject
}
open class func urls(forResourcesWithExtension ext: String?, subdirectory subpath: String?, in bundleURL: NSURL) -> [NSURL]? {
return CFBundleCopyResourceURLsOfTypeInDirectory(bundleURL._cfObject, ext?._cfObject, subpath?._cfObject)?._unsafeTypedBridge()
}
// -----------------------------------------------------------------------------------
// MARK: - URL Resource Lookup - Instance
open func url(forResource name: String?, withExtension ext: String?) -> URL? {
return self.url(forResource: name, withExtension: ext, subdirectory: nil)
}
open func url(forResource name: String?, withExtension ext: String?, subdirectory subpath: String?) -> URL? {
// If both name and ext are nil/zero-length, return nil
if (name == nil || name!.isEmpty) && (ext == nil || ext!.isEmpty) {
return nil
}
return CFBundleCopyResourceURL(_bundle, name?._cfObject, ext?._cfObject, subpath?._cfObject)?._swiftObject
}
open func url(forResource name: String?, withExtension ext: String?, subdirectory subpath: String?, localization localizationName: String?) -> URL? {
// If both name and ext are nil/zero-length, return nil
if (name == nil || name!.isEmpty) && (ext == nil || ext!.isEmpty) {
return nil
}
return CFBundleCopyResourceURLForLocalization(_bundle, name?._cfObject, ext?._cfObject, subpath?._cfObject, localizationName?._cfObject)?._swiftObject
}
open func urls(forResourcesWithExtension ext: String?, subdirectory subpath: String?) -> [NSURL]? {
return CFBundleCopyResourceURLsOfType(_bundle, ext?._cfObject, subpath?._cfObject)?._unsafeTypedBridge()
}
open func urls(forResourcesWithExtension ext: String?, subdirectory subpath: String?, localization localizationName: String?) -> [NSURL]? {
return CFBundleCopyResourceURLsOfTypeForLocalization(_bundle, ext?._cfObject, subpath?._cfObject, localizationName?._cfObject)?._unsafeTypedBridge()
}
// -----------------------------------------------------------------------------------
// MARK: - Path Resource Lookup - Class
open class func path(forResource name: String?, ofType ext: String?, inDirectory bundlePath: String) -> String? {
return Bundle.url(forResource: name, withExtension: ext, subdirectory: bundlePath, in: URL(fileURLWithPath: bundlePath))?.path
}
open class func paths(forResourcesOfType ext: String?, inDirectory bundlePath: String) -> [String] {
// Force-unwrap path, because if the URL can't be turned into a path then something is wrong anyway
return urls(forResourcesWithExtension: ext, subdirectory: bundlePath, in: NSURL(fileURLWithPath: bundlePath))?.map { $0.path! } ?? []
}
// -----------------------------------------------------------------------------------
// MARK: - Path Resource Lookup - Instance
open func path(forResource name: String?, ofType ext: String?) -> String? {
return self.url(forResource: name, withExtension: ext, subdirectory: nil)?.path
}
open func path(forResource name: String?, ofType ext: String?, inDirectory subpath: String?) -> String? {
return self.url(forResource: name, withExtension: ext, subdirectory: subpath)?.path
}
open func path(forResource name: String?, ofType ext: String?, inDirectory subpath: String?, forLocalization localizationName: String?) -> String? {
return self.url(forResource: name, withExtension: ext, subdirectory: subpath, localization: localizationName)?.path
}
open func paths(forResourcesOfType ext: String?, inDirectory subpath: String?) -> [String] {
// Force-unwrap path, because if the URL can't be turned into a path then something is wrong anyway
return self.urls(forResourcesWithExtension: ext, subdirectory: subpath)?.map { $0.path! } ?? []
}
open func paths(forResourcesOfType ext: String?, inDirectory subpath: String?, forLocalization localizationName: String?) -> [String] {
// Force-unwrap path, because if the URL can't be turned into a path then something is wrong anyway
return self.urls(forResourcesWithExtension: ext, subdirectory: subpath, localization: localizationName)?.map { $0.path! } ?? []
}
// -----------------------------------------------------------------------------------
// MARK: - Localized Strings
open func localizedString(forKey key: String, value: String?, table tableName: String?) -> String {
let localizedString = CFBundleCopyLocalizedString(_bundle, key._cfObject, value?._cfObject, tableName?._cfObject)!
return localizedString._swiftObject
}
// -----------------------------------------------------------------------------------
// MARK: - Other
open var bundleIdentifier: String? {
return CFBundleGetIdentifier(_bundle)?._swiftObject
}
open var infoDictionary: [String : Any]? {
let cfDict: CFDictionary? = CFBundleGetInfoDictionary(_bundle)
return __SwiftValue.fetch(cfDict) as? [String : Any]
}
open var localizedInfoDictionary: [String : Any]? {
let cfDict: CFDictionary? = CFBundleGetLocalInfoDictionary(_bundle)
return __SwiftValue.fetch(cfDict) as? [String : Any]
}
open func object(forInfoDictionaryKey key: String) -> Any? {
if let localizedInfoDictionary = localizedInfoDictionary {
return localizedInfoDictionary[key]
} else {
return infoDictionary?[key]
}
}
open func classNamed(_ className: String) -> AnyClass? {
// FIXME: This will return a class that may not be associated with the receiver. https://bugs.swift.org/browse/SR-10347.
guard isLoaded || load() else { return nil }
return NSClassFromString(className)
}
open var principalClass: AnyClass? {
// NB: Cross-platform Swift doesn't have a notion of 'the first class in the ObjC segment' that ObjC platforms have. For swift-corelibs-foundation, if a bundle doesn't have a principal class named, the principal class is nil.
guard let name = infoDictionary?["NSPrincipalClass"] as? String else { return nil }
return classNamed(name)
}
open var preferredLocalizations: [String] {
return Bundle.preferredLocalizations(from: localizations)
}
open var localizations: [String] {
let cfLocalizations: CFArray? = CFBundleCopyBundleLocalizations(_bundle)
let nsLocalizations = __SwiftValue.fetch(cfLocalizations) as? [Any]
return nsLocalizations?.map { $0 as! String } ?? []
}
open var developmentLocalization: String? {
let region = CFBundleGetDevelopmentRegion(_bundle)!
return region._swiftObject
}
open class func preferredLocalizations(from localizationsArray: [String]) -> [String] {
let cfLocalizations: CFArray? = CFBundleCopyPreferredLocalizationsFromArray(localizationsArray._cfObject)
let nsLocalizations = __SwiftValue.fetch(cfLocalizations) as? [Any]
return nsLocalizations?.map { $0 as! String } ?? []
}
open class func preferredLocalizations(from localizationsArray: [String], forPreferences preferencesArray: [String]?) -> [String] {
let localizations = CFBundleCopyLocalizationsForPreferences(localizationsArray._cfObject, preferencesArray?._cfObject)!
return localizations._swiftObject.map { return ($0 as! NSString)._swiftObject }
}
open var executableArchitectures: [NSNumber]? {
let architectures = CFBundleCopyExecutableArchitectures(_bundle)!
return architectures._swiftObject.map() { $0 as! NSNumber }
}
open override func isEqual(_ object: Any?) -> Bool {
guard let bundle = object as? Bundle else { return false }
return CFEqual(_bundle, bundle._bundle)
}
open override var hash: Int {
return Int(bitPattern: CFHash(_bundle))
}
}