/* * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 * Jonathan Schleifer <js@heap.zone> * * 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. */ #import "OFObject.h" #import "OFSeekableStream.h" OF_ASSUME_NONNULL_BEGIN #if defined(OF_HAVE_CHMOD) && !defined(OF_MORPHOS) # define OF_FILE_MANAGER_SUPPORTS_PERMISSIONS #endif #if defined(OF_HAVE_CHOWN) && !defined(OF_MORPHOS) # define OF_FILE_MANAGER_SUPPORTS_OWNER #endif #if (defined(OF_HAVE_LINK) && !defined(OF_MORPHOS)) || defined(OF_WINDOWS) # define OF_FILE_MANAGER_SUPPORTS_LINKS #endif #if (defined(OF_HAVE_SYMLINK) && !defined(OF_MORPHOS)) || defined(OF_WINDOWS) # define OF_FILE_MANAGER_SUPPORTS_SYMLINKS #endif @class OFArray OF_GENERIC(ObjectType); @class OFDate; @class OFURL; /*! * @class OFFileManager OFFileManager.h ObjFW/OFFileManager.h * * @brief A class which provides management for files, e.g. reading contents of * directories, deleting files, renaming files, etc. */ @interface OFFileManager: OFObject /*! * The path of the current working directory. */ @property (readonly, nonatomic) OFString *currentDirectoryPath; /*! * The URL of the current working directory. */ @property (readonly, nonatomic) OFURL *currentDirectoryURL; /*! * @brief Returns the default file manager. */ + (OFFileManager *)defaultManager; /*! * @brief Checks whether a file exists at the specified path. * * @param path The path to check * @return A boolean whether there is a file at the specified path */ - (bool)fileExistsAtPath: (OFString *)path; /*! * @brief Checks whether a file exists at the specified URL. * * @param URL The URL to check * @return A boolean whether there is a file at the specified URL */ - (bool)fileExistsAtURL: (OFURL *)URL; /*! * @brief Checks whether a directory exists at the specified path. * * @param path The path to check * @return A boolean whether there is a directory at the specified path */ - (bool)directoryExistsAtPath: (OFString *)path; /*! * @brief Checks whether a directory exists at the specified URL. * * @param URL The URL to check * @return A boolean whether there is a directory at the specified URL */ - (bool)directoryExistsAtURL: (OFURL *)URL; #ifdef OF_FILE_MANAGER_SUPPORTS_SYMLINKS /*! * @brief Checks whether a symbolic link exists at the specified path. * * @param path The path to check * @return A boolean whether there is a symbolic link at the specified path */ - (bool)symbolicLinkExistsAtPath: (OFString *)path; /*! * @brief Checks whether a symbolic link exists at the specified URL. * * @param URL The URL to check * @return A boolean whether there is a symbolic link at the specified URL */ - (bool)symbolicLinkExistsAtURL: (OFURL *)URL; #endif /*! * @brief Creates a directory at the specified path. * * @param path The path of the directory to create */ - (void)createDirectoryAtPath: (OFString *)path; /*! * @brief Creates a directory at the specified path. * * @param path The path of the directory to create * @param createParents Whether to create the parents of the directory */ - (void)createDirectoryAtPath: (OFString *)path createParents: (bool)createParents; /*! * @brief Creates a directory at the specified URL. * * @param URL The URL of the directory to create */ - (void)createDirectoryAtURL: (OFURL *)URL; /*! * @brief Creates a directory at the specified URL. * * @param URL The URL of the directory to create * @param createParents Whether to create the parents of the directory */ - (void)createDirectoryAtURL: (OFURL *)URL createParents: (bool)createParents; /*! * @brief Returns an array with the items in the specified directory. * * @note `.` and `..` are not part of the returned array. * * @param path The path to the directory whose items should be returned * @return An array of OFString with the items in the specified directory */ - (OFArray OF_GENERIC(OFString *) *)contentsOfDirectoryAtPath: (OFString *)path; /*! * @brief Returns an array with the items in the specified directory. * * @note `.` and `..` are not part of the returned array. * * @param URL The URL to the directory whose items should be returned * @return An array of OFString with the items in the specified directory */ - (OFArray OF_GENERIC(OFString *) *)contentsOfDirectoryAtURL: (OFURL *)URL; /*! * @brief Changes the current working directory. * * @param path The new directory to change to */ - (void)changeCurrentDirectoryPath: (OFString *)path; /*! * @brief Changes the current working directory. * * @param URL The new directory to change to */ - (void)changeCurrentDirectoryURL: (OFURL *)URL; /*! * @brief Returns the size of the specified file. * * @param path The path to the file whose size should be returned * * @return The size of the specified file */ - (of_offset_t)sizeOfFileAtPath: (OFString *)path; /*! * @brief Returns the size of the specified file. * * @param URL The URL to the file whose size should be returned * * @return The size of the specified file */ - (of_offset_t)sizeOfFileAtURL: (OFURL *)URL; /*! * @brief Returns the last access time of the specified item. * * @param path The path to the item whose last access time should be returned * * @return The last access time of the specified item */ - (OFDate *)accessTimeOfItemAtPath: (OFString *)path; /*! * @brief Returns the last access time of the specified item. * * @param URL The URL to the item whose last access time should be returned * * @return The last access time of the specified item */ - (OFDate *)accessTimeOfItemAtURL: (OFURL *)URL; /*! * @brief Returns the last modification date of the specified item. * * @param path The path to the item whose last modification date should be * returned * * @return The last modification date of the specified item */ - (OFDate *)modificationDateOfItemAtPath: (OFString *)path; /*! * @brief Returns the last modification date of the specified item. * * @param URL The URL to the item whose last modification date should be * returned * * @return The last modification date of the specified item */ - (OFDate *)modificationDateOfItemAtURL: (OFURL *)URL; /*! * @brief Returns the last status change time of the specified item. * * @param path The path to the item whose last status change time should be * returned * * @return The last status change time of the specified item */ - (OFDate *)statusChangeTimeOfItemAtPath: (OFString *)path; /*! * @brief Returns the last status change time of the specified item. * * @param URL The URL to the item whose last status change time should be * returned * * @return The last status change time of the specified item */ - (OFDate *)statusChangeTimeOfItemAtURL: (OFURL *)URL; #ifdef OF_FILE_MANAGER_SUPPORTS_PERMISSIONS /*! * @brief Returns the permissions of the specified item. * * This returns only the permissions, meaning read, write and execute for * owner, user and group, along with the sticky, setuid and setgid bit. In * other words, only bits that match the mask 07777. * * @param path The path to the item whose permissions should be returned * * @return The permissions of the specified item */ - (uint16_t)permissionsOfItemAtPath: (OFString *)path; /*! * @brief Returns the permissions of the specified item. * * This returns only the permissions, meaning read, write and execute for * owner, user and group, along with the sticky, setuid and setgid bit. In * other words, only bits that match the mask 07777. * * @param URL The URL to the item whose permissions should be returned * * @return The permissions of the specified item */ - (uint16_t)permissionsOfItemAtURL: (OFURL *)URL; /*! * @brief Changes the permissions of an item. * * This only changes the permissions, meaning read, write and execute for * owner, user and group. For security reasons, it ignores all other bits. In * other words, the permissions are masked with 0777. * * This method only changes the read-only flag on Windows. * * @param path The path to the item whose permissions should be changed * @param permissions The new permissions for the item */ - (void)changePermissionsOfItemAtPath: (OFString *)path permissions: (uint16_t)permissions; /*! * @brief Changes the permissions of an item. * * This only changes the permissions, meaning read, write and execute for * owner, user and group. For security reasons, it ignores all other bits. In * other words, the permissions are masked with 0777. * * This method only changes the read-only flag on Windows. * * @param URL The URL to the item whose permissions should be changed * @param permissions The new permissions for the item */ - (void)changePermissionsOfItemAtURL: (OFURL *)URL permissions: (uint16_t)permissions; #endif #ifdef OF_FILE_MANAGER_SUPPORTS_OWNER /*! * @brief Get the UID and GID of the specified item. * * @param UID A pointer to an uint16_t to store the UID, or NULL * @param GID A pointer to an uint16_t to store the GID, or NULL * @param path The path to the item whose UID and GID should be retrieved */ - (void)getUID: (nullable uint16_t *)UID GID: (nullable uint16_t *)GID ofItemAtPath: (OFString *)path; /*! * @brief Get the UID and GID of the specified item. * * @param UID A pointer to an uint16_t to store the UID, or NULL * @param GID A pointer to an uint16_t to store the GID, or NULL * @param URL The URL to the item whose UID and GID should be retrieved */ - (void)getUID: (nullable uint16_t *)UID GID: (nullable uint16_t *)GID ofItemAtURL: (OFURL *)URL; /*! * @brief Get the owner and group of the specified item. * * @param owner A pointer to an `OFString *` to store the owner, or NULL * @param group A pointer to an `OFString *` to store the group, or NULL * @param path The path to the item whose owner and group should be retrieved */ - (void)getOwner: (OFString *__autoreleasing _Nonnull *_Nullable)owner group: (OFString *__autoreleasing _Nonnull *_Nullable)group ofItemAtPath: (OFString *)path; /*! * @brief Get the owner and group of the specified item. * * @param owner A pointer to an `OFString *` to store the owner, or NULL * @param group A pointer to an `OFString *` to store the group, or NULL * @param URL The URL to the item whose owner and group should be retrieved */ - (void)getOwner: (OFString *__autoreleasing _Nonnull *_Nullable)owner group: (OFString *__autoreleasing _Nonnull *_Nullable)group ofItemAtURL: (OFURL *)URL; /*! * @brief Changes the owner of an item. * * This method is not available on some systems, most notably Windows. * * @param path The path to the item whose owner should be changed * @param owner The new owner for the item * @param group The new group for the item */ - (void)changeOwnerOfItemAtPath: (OFString *)path owner: (OFString *)owner group: (OFString *)group; /*! * @brief Changes the owner of an item. * * This method is not available on some systems, most notably Windows. * * @param URL The URL to the item whose owner should be changed * @param owner The new owner for the item * @param group The new group for the item */ - (void)changeOwnerOfItemAtURL: (OFURL *)URL owner: (OFString *)owner group: (OFString *)group; #endif /*! * @brief Copies a file, directory or symlink (if supported by the OS). * * The destination path must be a full path, which means it must include the * name of the item. * * If an item already exists, the copy operation fails. This is also the case * if a directory is copied and an item already exists in the destination * directory. * * @param source The file, directory or symlink to copy * @param destination The destination path */ - (void)copyItemAtPath: (OFString *)source toPath: (OFString *)destination; /*! * @brief Copies a file, directory or symlink (if supported by the OS). * * The destination URL must have a full path, which means it must include the * name of the item. * * If an item already exists, the copy operation fails. This is also the case * if a directory is copied and an item already exists in the destination * directory. * * @param source The file, directory or symlink to copy * @param destination The destination URL */ - (void)copyItemAtURL: (OFURL *)source toURL: (OFURL *)destination; /*! * @brief Moves an item. * * The destination path must be a full path, which means it must include the * name of the item. * * If the destination is on a different logical device, the source will be * copied to the destination using @ref copyItemAtPath:toPath: and the source * removed using @ref removeItemAtPath:. * * @param source The item to rename * @param destination The new name for the item */ - (void)moveItemAtPath: (OFString *)source toPath: (OFString *)destination; /*! * @brief Moves an item. * * The destination URL must have a full path, which means it must include the * name of the item. * * If the destination is on a different logical device, the source will be * copied to the destination using @ref copyItemAtURL:toURL: and the source * removed using @ref removeItemAtURL:. * * @param source The item to rename * @param destination The new name for the item */ - (void)moveItemAtURL: (OFURL *)source toURL: (OFURL *)destination; /*! * @brief Removes the item at the specified path. * * If the item at the specified path is a directory, it is removed recursively. * * @param path The path to the item which should be removed */ - (void)removeItemAtPath: (OFString *)path; /*! * @brief Removes the item at the specified URL. * * If the item at the specified URL is a directory, it is removed recursively. * * @param URL The URL to the item which should be removed */ - (void)removeItemAtURL: (OFURL *)URL; #ifdef OF_FILE_MANAGER_SUPPORTS_LINKS /*! * @brief Creates a hard link for the specified item. * * The destination path must be a full path, which means it must include the * name of the item. * * This method is not available on some systems. * * @param source The path to the item for which a link should be created * @param destination The path to the item which should link to the source */ - (void)linkItemAtPath: (OFString *)source toPath: (OFString *)destination; /*! * @brief Creates a hard link for the specified item. * * The destination URL must have a full path, which means it must include the * name of the item. * * This method is not available on some systems. * * @param source The URL to the item for which a link should be created * @param destination The URL to the item which should link to the source */ - (void)linkItemAtURL: (OFURL *)source toURL: (OFURL *)destination; #endif #ifdef OF_FILE_MANAGER_SUPPORTS_SYMLINKS /*! * @brief Creates a symbolic link for an item. * * The destination path must be a full path, which means it must include the * name of the item. * * This method is not available on some systems. * * @note On Windows, this requires at least Windows Vista and administrator * privileges! * * @param destination The path to the item which should symbolically link to the * source * @param source The path to the item for which a symbolic link should be * created */ - (void)createSymbolicLinkAtPath: (OFString *)destination withDestinationPath: (OFString *)source; /*! * @brief Creates a symbolic link for an item. * * The destination uRL must have a full path, which means it must include the * name of the item. * * This method is not available on some systems. * * @note On Windows, this requires at least Windows Vista and administrator * privileges! * * @param destination The URL to the item which should symbolically link to the * source * @param source The URL to the item for which a symbolic link should be * created */ - (void)createSymbolicLinkAtURL: (OFURL *)destination withDestinationURL: (OFURL *)source; /*! * @brief Returns the destination of the symbolic link at the specified path. * * @param path The path to the symbolic link * * @note On Windows, at least Windows Vista is required. * * @return The destination of the symbolic link at the specified path */ - (OFString *)destinationOfSymbolicLinkAtPath: (OFString *)path; /*! * @brief Returns the destination of the symbolic link at the specified URL. * * @param URL The URL to the symbolic link * * @note On Windows, at least Windows Vista is required. * * @return The destination of the symbolic link at the specified URL */ - (OFString *)destinationOfSymbolicLinkAtURL: (OFURL *)URL; #endif @end OF_ASSUME_NONNULL_END