/* * Copyright (c) 2008-2022 Jonathan Schleifer * * All rights reserved. * * This file is part of ObjFW. It may be distributed under the terms of the * Q Public License 1.0, which can be found in the file LICENSE.QPL included in * the packaging of this file. * * Alternatively, it may be distributed under the terms of the GNU General * Public License, either version 2 or 3, which can be found in the file * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this * file. */ #include #import "OFObject.h" #import "OFNotification.h" OF_ASSUME_NONNULL_BEGIN /** @file */ @class OFArray OF_GENERIC(ObjectType); @class OFDictionary OF_GENERIC(KeyType, ObjectType); @class OFMutableArray OF_GENERIC(ObjectType); @class OFMutableDictionary OF_GENERIC(KeyType, ObjectType); @class OFSandbox; @class OFString; /** * @brief A notification that will be sent when the application will terminate. */ extern const OFNotificationName OFApplicationWillTerminateNotification; /** * @brief Specify the class to be used as the application delegate. * * An instance of this class will be created and act as the application * delegate. * * For example, it can be used like this: * * @code * // In MyAppDelegate.h: * @interface MyAppDelegate: OFObject * @end * * // In MyAppDelegate.m: * OF_APPLICATION_DELEGATE(MyAppDelegate) * * @implementation MyAppDelegate * - (void)applicationDidFinishLaunching * { * [OFApplication terminate]; * } * @end * @endcode */ #define OF_APPLICATION_DELEGATE(class_) \ int \ main(int argc, char *argv[]) \ { \ return OFApplicationMain(&argc, &argv, \ (class_ *)[[class_ alloc] init]); \ } #ifdef OF_HAVE_PLEDGE # define OF_HAVE_SANDBOX #endif /** * @protocol OFApplicationDelegate OFApplication.h ObjFW/OFApplication.h * * @brief A protocol for delegates of OFApplication. * * @note Signals are not available on AmigaOS! */ @protocol OFApplicationDelegate /** * @brief A method which is called when the application was initialized and is * running now. */ - (void)applicationDidFinishLaunching; @optional /** * @brief A method which is called when the application will terminate. */ - (void)applicationWillTerminate; /** * @brief A method which is called when the application received a SIGINT. * * @warning You are not allowed to send any messages inside this method, as * message dispatching is not signal-safe! You are only allowed to do * signal-safe operations like setting a variable or calling a * signal-safe function! */ - (void)applicationDidReceiveSIGINT; #ifdef SIGHUP /** * @brief A method which is called when the application received a SIGHUP. * * This signal is not available on Windows. * * @warning You are not allowed to send any messages inside this method, as * message dispatching is not signal-safe! You are only allowed to do * signal-safe operations like setting a variable or calling a * signal-safe function! */ - (void)applicationDidReceiveSIGHUP; #endif #ifdef SIGUSR1 /** * @brief A method which is called when the application received a SIGUSR1. * * This signal is not available on Windows. * * @warning You are not allowed to send any messages inside this method, as * message dispatching is not signal-safe! You are only allowed to do * signal-safe operations like setting a variable or calling a * signal-safe function! */ - (void)applicationDidReceiveSIGUSR1; #endif #ifdef SIGUSR2 /** * @brief A method which is called when the application received a SIGUSR2. * * This signal is not available on Windows. * * @warning You are not allowed to send any messages inside this method, as * message dispatching is not signal-safe! You are only allowed to do * signal-safe operations like setting a variable or calling a * signal-safe function! */ - (void)applicationDidReceiveSIGUSR2; #endif @end /** * @class OFApplication OFApplication.h ObjFW/OFApplication.h * * @brief A class which represents the application as an object. * * In order to create a new OFApplication, you should create a class conforming * to the optional @ref OFApplicationDelegate protocol and put * `OF_APPLICATION_DELEGATE(NameOfYourClass)` in the .m file of that class. * * When the application is about to be terminated, * @ref OFApplicationDelegate#applicationWillTerminate will be called on the * delegate and an @ref OFApplicationWillTerminateNotification will be sent. */ OF_SUBCLASSING_RESTRICTED @interface OFApplication: OFObject { OFString *_programName; OFArray OF_GENERIC(OFString *) *_arguments; OFMutableDictionary OF_GENERIC(OFString *, OFString *) *_environment; int *_argc; char ***_argv; id _Nullable _delegate; void (*_Nullable _SIGINTHandler)(id, SEL); #ifndef OF_WINDOWS void (*_Nullable _SIGHUPHandler)(id, SEL); void (*_Nullable _SIGUSR1Handler)(id, SEL); void (*_Nullable _SIGUSR2Handler)(id, SEL); #endif #ifdef OF_HAVE_SANDBOX OFSandbox *_Nullable _activeSandbox; OFSandbox *_Nullable _activeSandboxForChildProcesses; #endif } #ifdef OF_HAVE_CLASS_PROPERTIES @property (class, readonly, nullable, nonatomic) OFApplication *sharedApplication; @property (class, readonly, nullable, nonatomic) OFString *programName; @property (class, readonly, nullable, nonatomic) OFArray OF_GENERIC(OFString *) *arguments; @property (class, readonly, nullable, nonatomic) OFDictionary OF_GENERIC(OFString *, OFString *) *environment; #endif /** * @brief The name of the program (argv[0]). */ @property (readonly, nonatomic) OFString *programName; /** * @brief The arguments passed to the application. */ @property (readonly, nonatomic) OFArray OF_GENERIC(OFString *) *arguments; /** * @brief The environment of the application. */ @property (readonly, nonatomic) OFDictionary OF_GENERIC(OFString *, OFString *) *environment; /** * @brief The delegate of the application. */ @property OF_NULLABLE_PROPERTY (assign, nonatomic) id delegate; #ifdef OF_HAVE_SANDBOX @property OF_NULLABLE_PROPERTY (readonly, nonatomic) OFSandbox *activeSandbox; @property OF_NULLABLE_PROPERTY (readonly, nonatomic) OFSandbox *activeSandboxForChildProcesses; #endif /** * @brief Returns the only OFApplication instance in the application. * * @return The only OFApplication instance in the application */ + (nullable OFApplication *)sharedApplication; /** * @brief Returns the name of the program (argv[0]). * * @return The name of the program (argv[0]) */ + (nullable OFString *)programName; /** * @brief Returns the arguments passed to the application. * * @return The arguments passed to the application */ + (nullable OFArray OF_GENERIC(OFString *) *)arguments; /** * @brief Returns the environment of the application. * * @return The environment of the application */ + (nullable OFDictionary OF_GENERIC(OFString *, OFString *) *)environment; /** * @brief Terminates the application with the EXIT_SUCCESS status. */ + (void)terminate OF_NO_RETURN; /** * @brief Terminates the application with the specified status. * * @param status The status with which the application will terminate */ + (void)terminateWithStatus: (int)status OF_NO_RETURN; #ifdef OF_HAVE_SANDBOX + (void)of_activateSandbox: (OFSandbox *)sandbox; + (void)of_activateSandboxForChildProcesses: (OFSandbox *)sandbox; #endif - (instancetype)init OF_UNAVAILABLE; /** * @brief Gets argc and argv. * * @param argc A pointer where a pointer to argc should be stored * @param argv A pointer where a pointer to argv should be stored */ - (void)getArgumentCount: (int *_Nonnull *_Nonnull)argc andArgumentValues: (char *_Nullable *_Nonnull *_Nonnull[_Nonnull])argv; /** * @brief Terminates the application. */ - (void)terminate OF_NO_RETURN; /** * @brief Terminates the application with the specified status. * * @param status The status with which the application will terminate */ - (void)terminateWithStatus: (int)status OF_NO_RETURN; #ifdef OF_HAVE_SANDBOX - (void)of_activateSandbox: (OFSandbox *)sandbox; - (void)of_activateSandboxForChildProcesses: (OFSandbox *)sandbox; #endif @end #ifdef __cplusplus extern "C" { #endif extern int OFApplicationMain(int *_Nonnull, char *_Nullable *_Nonnull[_Nonnull], id ); #ifdef __cplusplus } #endif OF_ASSUME_NONNULL_END