/*
* Copyright (c) 2008-2021 Jonathan Schleifer <js@nil.im>
*
* 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 "OFDictionary.h"
OF_ASSUME_NONNULL_BEGIN
/** @file */
#ifdef OF_HAVE_FILES
# if defined(OF_HAVE_CHMOD) && !defined(OF_AMIGAOS)
# define OF_FILE_MANAGER_SUPPORTS_PERMISSIONS
# endif
# if defined(OF_HAVE_CHOWN) && !defined(OF_AMIGAOS)
# define OF_FILE_MANAGER_SUPPORTS_OWNER
# endif
# if (defined(OF_HAVE_LINK) && !defined(OF_AMIGAOS)) || defined(OF_WINDOWS)
# define OF_FILE_MANAGER_SUPPORTS_LINKS
# endif
# if (defined(OF_HAVE_SYMLINK) && !defined(OF_AMIGAOS)) || defined(OF_WINDOWS)
# define OF_FILE_MANAGER_SUPPORTS_SYMLINKS
# endif
#endif
@class OFArray OF_GENERIC(ObjectType);
@class OFConstantString;
@class OFDate;
@class OFString;
@class OFURL;
/**
* @brief A key for a file attribute in the file attributes dictionary.
*
* Possible keys for file URLs are:
*
* * @ref of_file_attribute_key_size
* * @ref of_file_attribute_key_type
* * @ref of_file_attribute_key_posix_permissions
* * @ref of_file_attribute_key_posix_uid
* * @ref of_file_attribute_key_posix_gid
* * @ref of_file_attribute_key_owner
* * @ref of_file_attribute_key_group
* * @ref of_file_attribute_key_last_access_date
* * @ref of_file_attribute_key_modification_date
* * @ref of_file_attribute_key_status_change_date
* * @ref of_file_attribute_key_creation_date
* * @ref of_file_attribute_key_symbolic_link_destination
*
* Other URL schemes might not have all keys and might have keys not listed.
*/
typedef OFConstantString *of_file_attribute_key_t;
/**
* @brief The type of a file.
*
* Possibles values for file URLs are:
*
* * @ref of_file_type_regular
* * @ref of_file_type_directory
* * @ref of_file_type_symbolic_link
* * @ref of_file_type_fifo
* * @ref of_file_type_character_special
* * @ref of_file_type_block_special
* * @ref of_file_type_socket
*
* Other URL schemes might not have all types and might have types not listed.
*/
typedef OFConstantString *of_file_type_t;
/**
* @brief A dictionary mapping keys of type @ref of_file_attribute_key_t
* to their attribute values.
*/
typedef OFDictionary OF_GENERIC(of_file_attribute_key_t, id)
*of_file_attributes_t;
/**
* @brief A mutable dictionary mapping keys of type
* @ref of_file_attribute_key_t to their attribute values.
*/
typedef OFMutableDictionary OF_GENERIC(of_file_attribute_key_t, id)
*of_mutable_file_attributes_t;
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief The size of the file as an @ref OFNumber.
*
* For convenience, a category on @ref OFDictionary is provided to access this
* via @ref OFDictionary#fileSize.
*/
extern const of_file_attribute_key_t of_file_attribute_key_size;
/**
* @brief The type of the file.
*
* The corresponding value is of type @ref of_file_type_t.
*
* For convenience, a category on @ref OFDictionary is provided to access this
* via @ref OFDictionary#fileType.
*/
extern const of_file_attribute_key_t of_file_attribute_key_type;
/**
* @brief The POSIX permissions of the file as an @ref OFNumber.
*
* For convenience, a category on @ref OFDictionary is provided to access this
* via @ref OFDictionary#filePOSIXPermissions.
*/
extern const of_file_attribute_key_t of_file_attribute_key_posix_permissions;
/**
* @brief The POSIX UID of the file as an @ref OFNumber.
*
* For convenience, a category on @ref OFDictionary is provided to access this
* via @ref OFDictionary#filePOSIXUID.
*/
extern const of_file_attribute_key_t of_file_attribute_key_posix_uid;
/**
* @brief The POSIX GID of the file as an @ref OFNumber.
*
* For convenience, a category on @ref OFDictionary is provided to access this
* via @ref OFDictionary#filePOSIXGID.
*/
extern const of_file_attribute_key_t of_file_attribute_key_posix_gid;
/**
* @brief The owner of the file as an OFString.
*
* For convenience, a category on @ref OFDictionary is provided to access this
* via @ref OFDictionary#fileOwner.
*/
extern const of_file_attribute_key_t of_file_attribute_key_owner;
/**
* @brief The group of the file as an OFString.
*
* For convenience, a category on @ref OFDictionary is provided to access this
* via @ref OFDictionary#fileGroup.
*/
extern const of_file_attribute_key_t of_file_attribute_key_group;
/**
* @brief The last access date of the file as an @ref OFDate.
*
* For convenience, a category on @ref OFDictionary is provided to access this
* via @ref OFDictionary#fileLastAccessDate.
*/
extern const of_file_attribute_key_t of_file_attribute_key_last_access_date;
/**
* @brief The last modification date of the file as an @ref OFDate.
*
* For convenience, a category on @ref OFDictionary is provided to access this
* via @ref OFDictionary#fileModificationDate.
*/
extern const of_file_attribute_key_t of_file_attribute_key_modification_date;
/**
* @brief The last status change date of the file as an @ref OFDate.
*
* For convenience, a category on @ref OFDictionary is provided to access this
* via @ref OFDictionary#fileStatusChangeDate.
*/
extern const of_file_attribute_key_t of_file_attribute_key_status_change_date;
/**
* @brief The creation date of the file as an @ref OFDate.
*
* For convenience, a category on @ref OFDictionary is provided to access this
* via @ref OFDictionary#fileCreationDate.
*/
extern const of_file_attribute_key_t of_file_attribute_key_creation_date;
/**
* @brief The destination of a symbolic link as an OFString.
*
* For convenience, a category on @ref OFDictionary is provided to access this
* via @ref OFDictionary#fileSymbolicLinkDestination.
*/
extern const of_file_attribute_key_t
of_file_attribute_key_symbolic_link_destination;
/**
* @brief A regular file.
*/
extern const of_file_type_t of_file_type_regular;
/**
* @brief A directory.
*/
extern const of_file_type_t of_file_type_directory;
/**
* @brief A symbolic link.
*/
extern const of_file_type_t of_file_type_symbolic_link;
/**
* @brief A FIFO.
*/
extern const of_file_type_t of_file_type_fifo;
/**
* @brief A character special file.
*/
extern const of_file_type_t of_file_type_character_special;
/**
* @brief A block special file.
*/
extern const of_file_type_t of_file_type_block_special;
/**
* @brief A socket.
*/
extern const of_file_type_t of_file_type_socket;
#ifdef __cplusplus
}
#endif
/**
* @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.
*/
#ifndef OF_FILE_MANAGER_M
OF_SUBCLASSING_RESTRICTED
#endif
@interface OFFileManager: OFObject
#ifdef OF_HAVE_CLASS_PROPERTIES
@property (class, readonly, nonatomic) OFFileManager *defaultManager;
#endif
#ifdef OF_HAVE_FILES
/**
* @brief The path of the current working directory.
*/
@property (readonly, nonatomic) OFString *currentDirectoryPath;
/**
* @brief The URL of the current working directory.
*/
@property (readonly, nonatomic) OFURL *currentDirectoryURL;
#endif
/**
* @brief Returns the default file manager.
*/
+ (OFFileManager *)defaultManager;
#ifdef OF_HAVE_FILES
/**
* @brief Returns the attributes for the item at the specified path.
*
* @param path The path to return the attributes for
* @return A dictionary of attributes for the specified path, with the keys of
* type @ref of_file_attribute_key_t
*/
- (of_file_attributes_t)attributesOfItemAtPath: (OFString *)path;
#endif
/**
* @brief Returns the attributes for the item at the specified URL.
*
* @param URL The URL to return the attributes for
* @return A dictionary of attributes for the specified URL, with the keys of
* type @ref of_file_attribute_key_t
*/
- (of_file_attributes_t)attributesOfItemAtURL: (OFURL *)URL;
#ifdef OF_HAVE_FILES
/**
* @brief Sets the attributes for the item at the specified path.
*
* All attributes not part of the dictionary are left unchanged.
*
* @param attributes The attributes to set for the specified path
* @param path The path of the item to set the attributes for
*/
- (void)setAttributes: (of_file_attributes_t)attributes
ofItemAtPath: (OFString *)path;
#endif
/**
* @brief Sets the attributes for the item at the specified URL.
*
* All attributes not part of the dictionary are left unchanged.
*
* @param attributes The attributes to set for the specified URL
* @param URL The URL of the item to set the attributes for
*/
- (void)setAttributes: (of_file_attributes_t)attributes
ofItemAtURL: (OFURL *)URL;
#ifdef OF_HAVE_FILES
/**
* @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;
#endif
/**
* @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;
#ifdef OF_HAVE_FILES
/**
* @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;
#endif
/**
* @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_HAVE_FILES
/**
* @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;
#endif
/**
* @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;
#ifdef OF_HAVE_FILES
/**
* @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;
#endif
/**
* @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;
#ifdef OF_HAVE_FILES
/**
* @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 Copies a file, directory or symbolic link (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 symbolic link to copy
* @param destination The destination path
*/
- (void)copyItemAtPath: (OFString *)source
toPath: (OFString *)destination;
#endif
/**
* @brief Copies a file, directory or symbolic link (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 symbolic link to copy
* @param destination The destination URL
*/
- (void)copyItemAtURL: (OFURL *)source
toURL: (OFURL *)destination;
#ifdef OF_HAVE_FILES
/**
* @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;
#endif
/**
* @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 or uses a different
* scheme, 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;
#ifdef OF_HAVE_FILES
/**
* @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;
#endif
/**
* @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;
#endif
/**
* @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 for all URLs.
*
* @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;
#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 path The path to the item which should symbolically link to the target
* @param target The target of the symbolic link
*/
- (void)createSymbolicLinkAtPath: (OFString *)path
withDestinationPath: (OFString *)target;
#endif
/**
* @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 for all URLs.
*
* @note On Windows, this requires at least Windows Vista and administrator
* privileges!
*
* @param URL The URL to the item which should symbolically link to the target
* @param target The target of the symbolic link
*/
- (void)createSymbolicLinkAtURL: (OFURL *)URL
withDestinationPath: (OFString *)target;
@end
@interface OFDictionary (FileAttributes)
/**
* @brief The @ref of_file_attribute_key_size key from the dictionary.
*
* Raises an @ref OFUndefinedKeyException if the key is missing.
*/
@property (readonly, nonatomic) unsigned long long fileSize;
/**
* @brief The @ref of_file_attribute_key_type key from the dictionary.
*
* Raises an @ref OFUndefinedKeyException if the key is missing.
*/
@property (readonly, nonatomic) of_file_type_t fileType;
/**
* @brief The @ref of_file_attribute_key_posix_permissions key from the
* dictionary.
*
* Raises an @ref OFUndefinedKeyException if the key is missing.
*/
@property (readonly, nonatomic) unsigned long filePOSIXPermissions;
/**
* @brief The @ref of_file_attribute_key_posix_uid key from the dictionary.
*
* Raises an @ref OFUndefinedKeyException if the key is missing.
*/
@property (readonly, nonatomic) unsigned long filePOSIXUID;
/**
* @brief The @ref of_file_attribute_key_posix_gid key from the dictionary.
*
* Raises an @ref OFUndefinedKeyException if the key is missing.
*/
@property (readonly, nonatomic) unsigned long filePOSIXGID;
/**
* @brief The @ref of_file_attribute_key_owner key from the dictionary.
*
* Raises an @ref OFUndefinedKeyException if the key is missing.
*/
@property (readonly, nonatomic) OFString *fileOwner;
/**
* @brief The @ref of_file_attribute_key_group key from the dictionary.
*
* Raises an @ref OFUndefinedKeyException if the key is missing.
*/
@property (readonly, nonatomic) OFString *fileGroup;
/**
* @brief The @ref of_file_attribute_key_last_access_date key from the
* dictionary.
*
* Raises an @ref OFUndefinedKeyException if the key is missing.
*/
@property (readonly, nonatomic) OFDate *fileLastAccessDate;
/**
* @brief The @ref of_file_attribute_key_modification_date key from the
* dictionary.
*
* Raises an @ref OFUndefinedKeyException if the key is missing.
*/
@property (readonly, nonatomic) OFDate *fileModificationDate;
/**
* @brief The @ref of_file_attribute_key_status_change_date key from the
* dictionary.
*
* Raises an @ref OFUndefinedKeyException if the key is missing.
*/
@property (readonly, nonatomic) OFDate *fileStatusChangeDate;
/**
* @brief The @ref of_file_attribute_key_creation_date key from the dictionary.
*
* Raises an @ref OFUndefinedKeyException if the key is missing.
*/
@property (readonly, nonatomic) OFDate *fileCreationDate;
/**
* @brief The @ref of_file_attribute_key_symbolic_link_destination key from the
* dictionary.
*
* Raises an @ref OFUndefinedKeyException if the key is missing.
*/
@property (readonly, nonatomic) OFString *fileSymbolicLinkDestination;
@end
OF_ASSUME_NONNULL_END