ObjFW  Check-in [31e602a476]

AC_MSG_RESULT($atomic_ops)

AC_ARG_ENABLE(files,
	AS_HELP_STRING([--disable-files], [disable file support]))
AS_IF([test x"$enable_files" != x"no"], [
	AC_DEFINE(OF_HAVE_FILES, 1, [Whether we have files])
	AC_SUBST(USE_SRCS_FILES, '${SRCS_FILES}')
	AC_SUBST(USE_SRCS_FILES_NOINCLUDE, '${SRCS_FILES_NOINCLUDE}')
	AC_SUBST(OFHASH, "ofhash")
	AC_SUBST(OFZIP, "ofzip")

	case "$host_os" in
		msdosdjgpp*)
			dnl DJGPP has the type, but it's not really usable.
			;;

RUN_TESTS = @RUN_TESTS@
TESTPLUGIN = @TESTPLUGIN@
TESTS_LIBS = @TESTS_LIBS@
TESTS_OBJCFLAGS = @TESTS_OBJCFLAGS@
UNICODE_M = @UNICODE_M@
USE_INCLUDES_ATOMIC = @USE_INCLUDES_ATOMIC@
USE_SRCS_FILES = @USE_SRCS_FILES@
USE_SRCS_FILES_NOINCLUDE = @USE_SRCS_FILES_NOINCLUDE@
USE_SRCS_PLUGINS = @USE_SRCS_PLUGINS@
USE_SRCS_SOCKETS = @USE_SRCS_SOCKETS@
USE_SRCS_THREADS = @USE_SRCS_THREADS@
WEAK_NSFOUNDATIONVERSIONNUMBER = @WEAK_NSFOUNDATIONVERSIONNUMBER@
WRAPPER = @WRAPPER@

       OFSystemInfo.m			\
       OFTarArchive.m			\
       OFTarArchiveEntry.m		\
       OFThread.m			\
       OFTimer.m			\
       OFTriple.m			\
       OFURL.m				\
       OFURLHandler.m			\
       OFXMLAttribute.m			\
       OFXMLCDATA.m			\
       OFXMLCharacters.m		\
       OFXMLComment.m			\
       OFXMLElement.m			\
       OFXMLElement+Serialization.m	\
       OFXMLElementBuilder.m		\

       ${USE_SRCS_SOCKETS}		\
       ${USE_SRCS_THREADS}
SRCS_FILES = OFFile.m			\
	     OFFileManager.m		\
	     OFINICategory.m		\
	     OFINIFile.m		\
	     OFSettings.m
SRCS_FILES_NOINCLUDE = OFURLHandler_file.m
SRCS_PLUGINS = OFPlugin.m
SRCS_SOCKETS = OFHTTPClient.m			\
	       OFHTTPServer.m			\
	       OFKernelEventObserver.m		\
	       OFStreamSocket.m			\
	       OFTCPSocket.m			\
	       OFUDPSocket.m			\

	OFMutableDictionary_hashtable.m	\
	OFMutableSet_hashtable.m	\
	OFMutableString_UTF8.m		\
	OFSet_hashtable.m		\
	OFString_UTF8.m			\
	${AUTORELEASE_M}		\
	${FOUNDATION_COMPAT_M}		\
	${INSTANCE_M}			\
	${USE_SRCS_FILES_NOINCLUDE}
SRCS_FILES += OFSettings_INIFile.m
SRCS_SOCKETS += ${OFKERNELEVENTOBSERVER_EPOLL_M}	\
		${OFKERNELEVENTOBSERVER_KQUEUE_M}	\
		${OFKERNELEVENTOBSERVER_POLL_M}		\
		${OFKERNELEVENTOBSERVER_SELECT_M}	\
		OFTCPSocket+SOCKS5.m

 * 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)
/*!
 * The @ref of_file_attribute_key_size key from the dictionary.
 *
 * Raises an @ref OFUndefinedKeyException if the key is missing.

 * file.
 */

#include "config.h"

#include <errno.h>




#include "unistd_wrapper.h"












#import "OFArray.h"
#import "OFDate.h"
#import "OFDictionary.h"
#import "OFFile.h"
#import "OFFileManager.h"
#import "OFLocalization.h"
#import "OFNumber.h"
#import "OFString.h"
#import "OFSystemInfo.h"
#import "OFURL.h"


#import "OFURLHandler.h"


#import "OFChangeCurrentDirectoryPathFailedException.h"
#import "OFCopyItemFailedException.h"



#import "OFInvalidArgumentException.h"


#import "OFMoveItemFailedException.h"


#import "OFOutOfMemoryException.h"
#import "OFOutOfRangeException.h"

#import "OFRemoveItemFailedException.h"
#import "OFRetrieveItemAttributesFailedException.h"

#import "OFUndefinedKeyException.h"
#import "OFUnsupportedProtocolException.h"

#ifdef OF_WINDOWS
# include <windows.h>
# include <direct.h>
# include <ntdef.h>
#endif

#ifdef OF_MORPHOS
# define BOOL EXEC_BOOL
# include <proto/dos.h>
# include <proto/locale.h>
# undef BOOL
#endif



















@interface OFFileManager_default: OFFileManager
@end

static OFFileManager *defaultManager;

const of_file_attribute_key_t of_file_attribute_key_size =
    @"of_file_attribute_key_size";

const of_file_type_t of_file_type_symbolic_link = @"of_file_type_symbolic_link";
const of_file_type_t of_file_type_fifo = @"of_file_type_fifo";
const of_file_type_t of_file_type_character_special =
    @"of_file_type_character_special";
const of_file_type_t of_file_type_block_special = @"of_file_type_block_special";
const of_file_type_t of_file_type_socket = @"of_file_type_socket";












#ifdef OF_MORPHOS
static bool dirChanged = false;
static BPTR originalDirLock = 0;

OF_DESTRUCTOR()
{
	if (dirChanged)
		UnLock(CurrentDir(originalDirLock));
}
#endif















































































































































































































































































static id
attributeForKeyOrException(of_file_attributes_t attributes,
    of_file_attribute_key_t key)
{
	id object = [attributes objectForKey: key];

	if (object == nil)
		@throw [OFUndefinedKeyException exceptionWithObject: attributes
								key: key];

	return object;
}

@implementation OFFileManager
+ (void)initialize
{




	if (self != [OFFileManager class])
		return;





















	defaultManager = [[OFFileManager_default alloc] init];
}

+ (OFFileManager *)defaultManager
{
	return defaultManager;
}

	[URL makeImmutable];

	objc_autoreleasePoolPop(pool);

	return URL;
}

- (of_file_attributes_t)attributesOfItemAtURL: (OFURL *)URL
{
	OF_KINDOF(OFURLHandler *) URLHandler;



	if (URL == nil)
		@throw [OFInvalidArgumentException exception];





	if ((URLHandler = [OFURLHandler handlerForURL: URL]) == nil)

		@throw [OFUnsupportedProtocolException exceptionWithURL: URL];















	return [URLHandler attributesOfItemAtURL: URL];
}

- (of_file_attributes_t)attributesOfItemAtPath: (OFString *)path
{
	void *pool = objc_autoreleasePoolPush();
	of_file_attributes_t ret;

	ret = [self attributesOfItemAtURL: [OFURL fileURLWithPath: path]];

	[ret retain];

	objc_autoreleasePoolPop(pool);

	return [ret autorelease];
}



- (void)setAttributes: (of_file_attributes_t)attributes
	  ofItemAtURL: (OFURL *)URL
{


	OF_KINDOF(OFURLHandler *) URLHandler;















	if (URL == nil)












		@throw [OFInvalidArgumentException exception];


	if ((URLHandler = [OFURLHandler handlerForURL: URL]) == nil)






		@throw [OFUnsupportedProtocolException exceptionWithURL: URL];


















	[URLHandler setAttributes: attributes


		      ofItemAtURL: URL];

















}

- (void)setAttributes: (of_file_attributes_t)attributes
	 ofItemAtPath: (OFString *)path
{
	void *pool = objc_autoreleasePoolPush();

	[self setAttributes: attributes
		ofItemAtURL: [OFURL fileURLWithPath: path]];

	objc_autoreleasePoolPop(pool);
}

- (bool)fileExistsAtURL: (OFURL *)URL
{
	OF_KINDOF(OFURLHandler *) URLHandler;

	if (URL == nil)
		@throw [OFInvalidArgumentException exception];


	if ((URLHandler = [OFURLHandler handlerForURL: URL]) == nil)
		@throw [OFUnsupportedProtocolException exceptionWithURL: URL];

	return [URLHandler fileExistsAtURL: URL];
}




- (bool)fileExistsAtPath: (OFString *)path









{
	void *pool = objc_autoreleasePoolPush();



	bool ret;


	ret = [self fileExistsAtURL: [OFURL fileURLWithPath: path]];

	objc_autoreleasePoolPop(pool);

	return ret;
}




- (bool)directoryExistsAtURL: (OFURL *)URL


{


	OF_KINDOF(OFURLHandler *) URLHandler;




	if (URL == nil)
		@throw [OFInvalidArgumentException exception];

	if ((URLHandler = [OFURLHandler handlerForURL: URL]) == nil)

		@throw [OFUnsupportedProtocolException exceptionWithURL: URL];

	return [URLHandler directoryExistsAtURL: URL];
}

- (bool)directoryExistsAtPath: (OFString *)path
{
	void *pool = objc_autoreleasePoolPush();
	bool ret;

	ret = [self directoryExistsAtURL: [OFURL fileURLWithPath: path]];

	objc_autoreleasePoolPop(pool);

	return ret;
}

- (void)createDirectoryAtURL: (OFURL *)URL
{
	OF_KINDOF(OFURLHandler *) URLHandler;

	if (URL == nil)
		@throw [OFInvalidArgumentException exception];

	if ((URLHandler = [OFURLHandler handlerForURL: URL]) == nil)
		@throw [OFUnsupportedProtocolException exceptionWithURL: URL];

	[URLHandler createDirectoryAtURL: URL];
}

- (void)createDirectoryAtURL: (OFURL *)URL_
	       createParents: (bool)createParents
{
	void *pool = objc_autoreleasePoolPush();

	OFMutableURL *URL = [[URL_ mutableCopy] autorelease];

	OFArray OF_GENERIC(OFString *) *components;


	OFString *currentPath = nil;


	if (URL == nil)
		@throw [OFInvalidArgumentException exception];


	if (!createParents) {
		[self createDirectoryAtURL: URL];

		return;


	}



	components = [[URL URLEncodedPath] componentsSeparatedByString: @"/"];

	for (OFString *component in components) {
		if (currentPath != nil)


			currentPath = [currentPath
			    stringByAppendingFormat: @"/%@", component];
		else


			currentPath = component;



		[URL setURLEncodedPath: currentPath];


		if ([currentPath length] > 0 &&


		    ![self directoryExistsAtURL: URL])


			[self createDirectoryAtURL: URL];
	}




	objc_autoreleasePoolPop(pool);
}



- (void)createDirectoryAtPath: (OFString *)path
{
	void *pool = objc_autoreleasePoolPush();


	[self createDirectoryAtURL: [OFURL fileURLWithPath: path]];


	objc_autoreleasePoolPop(pool);
}

- (void)createDirectoryAtPath: (OFString *)path
		createParents: (bool)createParents
{











	void *pool = objc_autoreleasePoolPush();









	[self createDirectoryAtURL: [OFURL fileURLWithPath: path]
























		     createParents: createParents];

	objc_autoreleasePoolPop(pool);
}

- (OFArray OF_GENERIC(OFString *) *)contentsOfDirectoryAtURL: (OFURL *)URL
{
	OF_KINDOF(OFURLHandler *) URLHandler;

	if (URL == nil)
		@throw [OFInvalidArgumentException exception];


	if ((URLHandler = [OFURLHandler handlerForURL: URL]) == nil)














		@throw [OFUnsupportedProtocolException exceptionWithURL: URL];











































































	return [URLHandler contentsOfDirectoryAtURL: URL];







}








- (OFArray OF_GENERIC(OFString *) *)contentsOfDirectoryAtPath: (OFString *)path








{







	void *pool = objc_autoreleasePoolPush();






	OFArray OF_GENERIC(OFString *) *ret;











































	ret = [self contentsOfDirectoryAtURL: [OFURL fileURLWithPath: path]];


	[ret retain];

	objc_autoreleasePoolPop(pool);

	return [ret autorelease];
}

	objc_autoreleasePoolPop(pool);
}

- (void)moveItemAtPath: (OFString *)source
		toPath: (OFString *)destination
{


	if (source == nil || destination == nil)
		@throw [OFInvalidArgumentException exception];

	if ([self fileExistsAtPath: destination])
		@throw [OFMoveItemFailedException
		    exceptionWithSourcePath: source
			    destinationPath: destination
				      errNo: EEXIST];

#if defined(OF_WINDOWS)
	void *pool = objc_autoreleasePoolPush();

	[self moveItemAtPath: [source fileSystemRepresentation]
		      toPath: [destination fileSystemRepresentation]];

	objc_autoreleasePoolPop(pool);
}

- (void)removeItemAtURL: (OFURL *)URL
{
	OF_KINDOF(OFURLHandler *) URLHandler;


	if (URL == nil)
		@throw [OFInvalidArgumentException exception];


	if ((URLHandler = [OFURLHandler handlerForURL: URL]) == nil)

		@throw [OFUnsupportedProtocolException exceptionWithURL: URL];




	[URLHandler removeItemAtURL: URL];














}






- (void)removeItemAtPath: (OFString *)path

{
	void *pool = objc_autoreleasePoolPush();










	[self removeItemAtURL: [OFURL fileURLWithPath: path]];











































	objc_autoreleasePoolPop(pool);
}

- (void)linkItemAtURL: (OFURL *)source
		toURL: (OFURL *)destination
{
	void *pool = objc_autoreleasePoolPush();
	OF_KINDOF(OFURLHandler *) URLHandler;

	if (source == nil || destination == nil)
		@throw [OFInvalidArgumentException exception];

	if (![[destination scheme] isEqual: [source scheme]])
		@throw [OFInvalidArgumentException exception];

	URLHandler = [OFURLHandler handlerForURL: source];

	if (URLHandler == nil)
		@throw [OFUnsupportedProtocolException
		    exceptionWithURL: source];

	[URLHandler linkItemAtURL: source
			    toURL: destination];

	objc_autoreleasePoolPop(pool);
}

#ifdef OF_FILE_MANAGER_SUPPORTS_LINKS
- (void)linkItemAtPath: (OFString *)source
		toPath: (OFString *)destination
{





	void *pool = objc_autoreleasePoolPush();



	[self linkItemAtURL: [OFURL fileURLWithPath: source]




		      toURL: [OFURL fileURLWithPath: destination]];











	objc_autoreleasePoolPop(pool);
}
#endif

















- (void)createSymbolicLinkAtURL: (OFURL *)URL
	    withDestinationPath: (OFString *)target
{
	void *pool = objc_autoreleasePoolPush();
	OF_KINDOF(OFURLHandler *) URLHandler;

	if (URL == nil || target == nil)
		@throw [OFInvalidArgumentException exception];


	URLHandler = [OFURLHandler handlerForURL: URL];

	if (URLHandler == nil)

		@throw [OFUnsupportedProtocolException exceptionWithURL: URL];



	[URLHandler createSymbolicLinkAtURL: URL

			withDestinationPath: target];














	objc_autoreleasePoolPop(pool);
}


#ifdef OF_FILE_MANAGER_SUPPORTS_SYMLINKS
- (void)createSymbolicLinkAtPath: (OFString *)path
	     withDestinationPath: (OFString *)target
{

	void *pool = objc_autoreleasePoolPush();

	[self createSymbolicLinkAtURL: [OFURL fileURLWithPath: path]
		  withDestinationPath: target];

	objc_autoreleasePoolPop(pool);



}
#endif
@end

@implementation OFDictionary (FileAttributes)
- (uintmax_t)fileSize
{
	return [attributeForKeyOrException(self, of_file_attribute_key_size)
	    uIntMaxValue];

#include <stdlib.h>
#include <string.h>

#import "OFURL.h"
#import "OFURL+Private.h"
#import "OFArray.h"



#import "OFNumber.h"
#import "OFString.h"
#import "OFXMLElement.h"

#ifdef OF_HAVE_FILES
# import "OFFileManager.h"
# import "OFURLHandler_file.h"
#endif

#import "OFInvalidArgumentException.h"
#import "OFInvalidFormatException.h"
#import "OFOutOfMemoryException.h"

static OFCharacterSet *URLAllowedCharacterSet = nil;
static OFCharacterSet *URLPathAllowedCharacterSet = nil;

}

#ifdef OF_HAVE_FILES
- (instancetype)initFileURLWithPath: (OFString *)path
{
	@try {
		void *pool = objc_autoreleasePoolPush();

		bool isDirectory;

		isDirectory = ([path hasSuffix: OF_PATH_DELIMITER_STRING] ||
		    [OFURLHandler_file of_directoryExistsAtPath: path]);
		self = [self initFileURLWithPath: path
				     isDirectory: isDirectory];

		objc_autoreleasePoolPop(pool);
	} @catch (id e) {
		[self release];
		@throw e;

/*
 * 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 "OFFileManager.h"

OF_ASSUME_NONNULL_BEGIN

@class OFString;
@class OFURL;

/*!
 * @class OFURLHandler OFURLHandler.h ObjFW/OFURLHandler.h
 *
 * @brief A handler for a URL scheme.
 */
@interface OFURLHandler: OFObject
{
	OFString *_scheme;
}

/*!
 * The scheme this OFURLHandler handles.
 */
@property (readonly, nonatomic) OFString *scheme;

/*!
 * @brief Registers the specified class as the handler for the specified scheme.
 *
 * If the same class is specified for two schemes, one instance of it is
 * created per scheme.
 *
 * @param class The class to register as the handler for the specified scheme
 * @param scheme The scheme for which to register the handler
 * @return Whether the class was successfully registered. If a handler for the
 *	   same scheme is already registered, registration fails.
 */
+ (bool)registerClass: (Class)class
	    forScheme: (OFString *)scheme;

/*!
 * @brief Returns the handler for the specified URL.
 *
 * @return The handler for the specified URL.
 */
+ (nullable OF_KINDOF(OFURLHandler *))handlerForURL: (OFURL *)URL;

- (instancetype)init OF_UNAVAILABLE;

/*!
 * @brief Initializes the handler for the specified scheme.
 *
 * @param scheme The scheme to initialize for
 * @return An initialized URL handler
 */
- (instancetype)initWithScheme: (OFString *)scheme OF_DESIGNATED_INITIALIZER;

/*!
 * @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;

/*!
 * @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;

/*!
 * @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 URL.
 *
 * @param URL The URL to check
 * @return A boolean whether there is a directory at the specified URL
 */
- (bool)directoryExistsAtURL: (OFURL *)URL;

/*!
 * @brief Creates a directory at the specified URL.
 *
 * @param URL The URL of the directory to create
 */
- (void)createDirectoryAtURL: (OFURL *)URL;

/*!
 * @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 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;

/*!
 * @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;

/*!
 * @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

OF_ASSUME_NONNULL_END

/*
 * 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.
 */

#include "config.h"

#import "OFURLHandler.h"
#import "OFURL.h"

#ifdef OF_HAVE_THREADS
# import "OFMutex.h"
#endif

#ifdef OF_HAVE_FILES
# import "OFURLHandler_file.h"
#endif

static OFMutableDictionary OF_GENERIC(OFString *, OFURLHandler *) *handlers;
#ifdef OF_HAVE_THREADS
static OFMutex *mutex;
#endif

@implementation OFURLHandler
@synthesize scheme = _scheme;

+ (void)initialize
{
	if (self != [OFURLHandler class])
		return;

	handlers = [[OFMutableDictionary alloc] init];
#ifdef OF_HAVE_THREADS
	mutex = [[OFMutex alloc] init];
#endif

#ifdef OF_HAVE_FILES
	[self registerClass: [OFURLHandler_file class]
		  forScheme: @"file"];
#endif
}

+ (bool)registerClass: (Class)class
	    forScheme: (OFString *)scheme
{
#ifdef OF_HAVE_THREADS
	[mutex lock];
	@try {
#endif
		OFURLHandler *handler;

		if ([handlers objectForKey: scheme] != nil)
			return false;

		handler = [[class alloc] initWithScheme: scheme];
		@try {
			[handlers setObject: handler
				     forKey: scheme];
		} @finally {
			[handler release];
		}
#ifdef OF_HAVE_THREADS
	} @finally {
		[mutex unlock];
	}
#endif
}

+ (OF_KINDOF(OFURLHandler *))handlerForURL: (OFURL *)URL
{
#ifdef OF_HAVE_THREADS
	[mutex lock];
	@try {
#endif
		return [handlers objectForKey: [URL scheme]];
#ifdef OF_HAVE_THREADS
	} @finally {
		[mutex unlock];
	}
#endif
}

- (instancetype)init
{
	OF_INVALID_INIT_METHOD
}

- (instancetype)initWithScheme: (OFString *)scheme
{
	self = [super init];

	@try {
		_scheme = [scheme copy];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
	[_scheme release];

	[super dealloc];
}

- (of_file_attributes_t)attributesOfItemAtURL: (OFURL *)URL
{
	OF_UNRECOGNIZED_SELECTOR
}

- (void)setAttributes: (of_file_attributes_t)attributes
	  ofItemAtURL: (OFURL *)URL
{
	OF_UNRECOGNIZED_SELECTOR
}

- (bool)fileExistsAtURL: (OFURL *)URL
{
	OF_UNRECOGNIZED_SELECTOR
}

- (bool)directoryExistsAtURL: (OFURL *)URL
{
	OF_UNRECOGNIZED_SELECTOR
}

- (void)createDirectoryAtURL: (OFURL *)URL
{
	OF_UNRECOGNIZED_SELECTOR
}

- (OFArray OF_GENERIC(OFString *) *)contentsOfDirectoryAtURL: (OFURL *)URL
{
	OF_UNRECOGNIZED_SELECTOR
}

- (void)removeItemAtURL: (OFURL *)URL
{
	OF_UNRECOGNIZED_SELECTOR
}

- (void)linkItemAtURL: (OFURL *)source
		toURL: (OFURL *)destination
{
	OF_UNRECOGNIZED_SELECTOR
}

- (void)createSymbolicLinkAtURL: (OFURL *)destination
	    withDestinationPath: (OFString *)source
{
	OF_UNRECOGNIZED_SELECTOR
}
@end

/*
 * 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 "OFURLHandler.h"

OF_ASSUME_NONNULL_BEGIN

@interface OFURLHandler_file: OFURLHandler
+ (bool)of_directoryExistsAtPath: (OFString *)path;
@end

OF_ASSUME_NONNULL_END

/*
 * 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.
 */

#include "config.h"

#include <errno.h>

#ifdef HAVE_DIRENT_H
# include <dirent.h>
#endif
#include "unistd_wrapper.h"

#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif

#ifdef HAVE_PWD_H
# include <pwd.h>
#endif
#ifdef HAVE_GRP_H
# include <grp.h>
#endif

#import "OFURLHandler_file.h"
#import "OFArray.h"
#import "OFDate.h"
#import "OFFile.h"
#import "OFLocalization.h"
#import "OFNumber.h"
#import "OFURL.h"

#ifdef OF_HAVE_THREADS
# import "OFMutex.h"
#endif

#import "OFCreateDirectoryFailedException.h"
#import "OFCreateSymbolicLinkFailedException.h"
#import "OFInvalidArgumentException.h"
#import "OFLinkFailedException.h"
#import "OFNotImplementedException.h"
#import "OFOpenItemFailedException.h"
#import "OFOutOfRangeException.h"
#import "OFReadFailedException.h"
#import "OFRemoveItemFailedException.h"
#import "OFRetrieveItemAttributesFailedException.h"
#import "OFSetItemAttributesFailedException.h"

#ifdef OF_WINDOWS
# include <windows.h>
# include <direct.h>
# include <ntdef.h>
#endif

#ifdef OF_MORPHOS
# define BOOL EXEC_BOOL
# include <proto/dos.h>
# include <proto/locale.h>
# undef BOOL
#endif

#if defined(OF_WINDOWS)
typedef struct __stat64 of_stat_t;
#elif defined(OF_MORPHOS)
typedef struct {
	of_offset_t st_size;
	mode_t st_mode;
	of_time_interval_t st_atime, st_mtime, st_ctime;
} of_stat_t;
#elif defined(OF_HAVE_OFF64_T)
typedef struct stat64 of_stat_t;
#else
typedef struct stat of_stat_t;
#endif

#ifndef S_ISLNK
# define S_ISLNK(s) 0
#endif

#if defined(OF_HAVE_CHOWN) && defined(OF_HAVE_THREADS) && !defined(OF_MORPHOS)
static OFMutex *passwdMutex;
#endif
#if !defined(HAVE_READDIR_R) && defined(OF_HAVE_THREADS) && !defined(OF_WINDOWS)
static OFMutex *readdirMutex;
#endif

#ifdef OF_WINDOWS
static WINAPI BOOLEAN (*func_CreateSymbolicLinkW)(LPCWSTR, LPCWSTR, DWORD);
#endif

static int
of_stat(OFString *path, of_stat_t *buffer)
{
#if defined(OF_WINDOWS)
	return _wstat64([path UTF16String], buffer);
#elif defined(OF_MORPHOS)
	BPTR lock;
	struct FileInfoBlock fib;
	of_time_interval_t timeInterval;
	struct Locale *locale;

	if ((lock = Lock([path cStringWithEncoding: [OFLocalization encoding]],
	    SHARED_LOCK)) == 0) {
		switch (IoErr()) {
		case ERROR_OBJECT_IN_USE:
		case ERROR_DISK_NOT_VALIDATED:
			errno = EBUSY;
			break;
		case ERROR_OBJECT_NOT_FOUND:
			errno = ENOENT;
			break;
		default:
			errno = 0;
			break;
		}

		return -1;
	}

	if (!Examine64(lock, &fib, TAG_DONE)) {
		UnLock(lock);

		errno = 0;
		return -1;
	}

	UnLock(lock);

	buffer->st_size = fib.fib_Size64;
	buffer->st_mode = (fib.fib_DirEntryType > 0 ? S_IFDIR : S_IFREG);

	timeInterval = 252460800;	/* 1978-01-01 */

	locale = OpenLocale(NULL);
	/*
	 * FIXME: This does not take DST into account. But unfortunately, there
	 * is no way to figure out if DST was in effect when the file was
	 * modified.
	 */
	timeInterval += locale->loc_GMTOffset * 60.0;
	CloseLocale(locale);

	timeInterval += fib.fib_Date.ds_Days * 86400.0;
	timeInterval += fib.fib_Date.ds_Minute * 60.0;
	timeInterval +=
	    fib.fib_Date.ds_Tick / (of_time_interval_t)TICKS_PER_SECOND;

	buffer->st_atime = buffer->st_mtime = buffer->st_ctime = timeInterval;

	return 0;
#elif defined(OF_HAVE_OFF64_T)
	return stat64([path cStringWithEncoding: [OFLocalization encoding]],
	    buffer);
#else
	return stat([path cStringWithEncoding: [OFLocalization encoding]],
	    buffer);
#endif
}

static int
of_lstat(OFString *path, of_stat_t *buffer)
{
#if defined(HAVE_LSTAT) && !defined(OF_WINDOWS) && !defined(OF_MORPHOS)
# ifdef OF_HAVE_OFF64_T
	return lstat64([path cStringWithEncoding: [OFLocalization encoding]],
	    buffer);
# else
	return lstat([path cStringWithEncoding: [OFLocalization encoding]],
	    buffer);
# endif
#else
	return of_stat(path, buffer);
#endif
}

static void
setTypeAttribute(of_mutable_file_attributes_t attributes, of_stat_t *s)
{
	if (S_ISREG(s->st_mode))
		[attributes setObject: of_file_type_regular
			       forKey: of_file_attribute_key_type];
	else if (S_ISDIR(s->st_mode))
		[attributes setObject: of_file_type_directory
			       forKey: of_file_attribute_key_type];
#ifdef S_ISLNK
	else if (S_ISLNK(s->st_mode))
		[attributes setObject: of_file_type_symbolic_link
			       forKey: of_file_attribute_key_type];
#endif
#ifdef S_ISFIFO
	else if (S_ISFIFO(s->st_mode))
		[attributes setObject: of_file_type_fifo
			       forKey: of_file_attribute_key_type];
#endif
#ifdef S_ISCHR
	else if (S_ISCHR(s->st_mode))
		[attributes setObject: of_file_type_character_special
			       forKey: of_file_attribute_key_type];
#endif
#ifdef S_ISBLK
	else if (S_ISBLK(s->st_mode))
		[attributes setObject: of_file_type_block_special
			       forKey: of_file_attribute_key_type];
#endif
#ifdef S_ISSOCK
	else if (S_ISSOCK(s->st_mode))
		[attributes setObject: of_file_type_socket
			       forKey: of_file_attribute_key_type];
#endif
}

static void
setDateAttributes(of_mutable_file_attributes_t attributes, of_stat_t *s)
{
	/* FIXME: We could be more precise on some OSes */
	[attributes
	    setObject: [OFDate dateWithTimeIntervalSince1970: s->st_atime]
	       forKey: of_file_attribute_key_last_access_date];
	[attributes
	    setObject: [OFDate dateWithTimeIntervalSince1970: s->st_mtime]
	       forKey: of_file_attribute_key_modification_date];
	[attributes
	    setObject: [OFDate dateWithTimeIntervalSince1970: s->st_ctime]
	       forKey: of_file_attribute_key_status_change_date];
}

static void
setOwnerAndGroupAttributes(of_mutable_file_attributes_t attributes,
    of_stat_t *s)
{
#ifdef OF_FILE_MANAGER_SUPPORTS_OWNER
	[attributes setObject: [NSNumber numberWithUInt16: s->st_uid]
		       forKey: of_file_attribute_key_posix_uid];
	[attributes setObject: [NSNumber numberWithUInt16: s->st_gid]
		       forKey: of_file_attribute_key_posix_gid];

# ifdef OF_HAVE_THREADS
	[passwdMutex lock];
	@try {
# endif
		of_string_encoding_t encoding = [OFLocalization encoding];
		struct passwd *passwd = getpwuid(s->st_uid);
		struct group *group_ = getgrgid(s->st_gid);

		if (passwd != NULL) {
			OFString *owner = [OFString
			    stringWithCString: passwd->pw_name
				     encoding: encoding];

			[attributes setObject: owner
				       forKey: of_file_attribute_key_owner];
		}

		if (group_ != NULL) {
			OFString *group = [OFString
			    stringWithCString: group_->gr_name
				     encoding: encoding];

			[attributes setObject: group
				       forKey: of_file_attribute_key_group];
		}
# ifdef OF_HAVE_THREADS
	} @finally {
		[passwdMutex unlock];
	}
# endif
#endif
}

static void
setSymbolicLinkDestinationAttribute(of_mutable_file_attributes_t attributes,
    of_stat_t *s, OFURL *URL)
{
#ifdef OF_FILE_MANAGER_SUPPORTS_SYMLINKS
	OFString *path = [URL fileSystemRepresentation];

# ifndef OF_WINDOWS
	if (S_ISLNK(s->st_mode)) {
		of_string_encoding_t encoding = [OFLocalization encoding];
		char destinationC[PATH_MAX];
		ssize_t length;
		OFString *destination;
		of_file_attribute_key_t key;

		length = readlink([path cStringWithEncoding: encoding],
		    destinationC, PATH_MAX);

		if (length < 0)
			@throw [OFRetrieveItemAttributesFailedException
			    exceptionWithURL: URL
				       errNo: errno];

		destination = [OFString stringWithCString: destinationC
						 encoding: encoding
						   length: length];

		key = of_file_attribute_key_symbolic_link_destination;
		[attributes setObject: destination
			       forKey: key];
	}
# else
	WIN32_FIND_DATAW data;

	if (func_CreateSymbolicLinkW != NULL &&
	    FindFirstFileW([path UTF16String], &data) &&
	    (data.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) &&
	    data.dwReserved0 == IO_REPARSE_TAG_SYMLINK) {
		HANDLE handle;
		OFString *destination;

		if ((handle = CreateFileW([path UTF16String], 0,
		    (FILE_SHARE_READ | FILE_SHARE_WRITE), NULL, OPEN_EXISTING,
		    FILE_FLAG_OPEN_REPARSE_POINT, NULL)) ==
		    INVALID_HANDLE_VALUE)
			@throw [OFRetrieveItemAttributesFailedException
			    exceptionWithURL: URL
				       errNo: 0];

		@try {
			union {
				char bytes[MAXIMUM_REPARSE_DATA_BUFFER_SIZE];
				REPARSE_DATA_BUFFER data;
			} buffer;
			DWORD size;
			wchar_t *tmp;
			of_file_attribute_key_t key;

			if (!DeviceIoControl(handle, FSCTL_GET_REPARSE_POINT,
			    NULL, 0, buffer.bytes,
			    MAXIMUM_REPARSE_DATA_BUFFER_SIZE, &size, NULL))
				@throw [OFRetrieveItemAttributesFailedException
				    exceptionWithURL: URL
					       errNo: 0];

			if (buffer.data.ReparseTag != IO_REPARSE_TAG_SYMLINK)
				@throw [OFRetrieveItemAttributesFailedException
				    exceptionWithURL: URL
					       errNo: 0];

#  define slrb buffer.data.SymbolicLinkReparseBuffer
			tmp = slrb.PathBuffer +
			    (slrb.SubstituteNameOffset / sizeof(wchar_t));

			destination = [OFString
			    stringWithUTF16String: tmp
					   length: slrb.SubstituteNameLength /
						   sizeof(wchar_t)];

			[attributes setObject: of_file_type_symbolic_link
				       forKey: of_file_attribute_key_type];
			key = of_file_attribute_key_symbolic_link_destination;
			[attributes setObject: destination
				       forKey: key];
#  undef slrb
		} @finally {
			CloseHandle(handle);
		}
	}
# endif
#endif
}

@implementation OFURLHandler_file
+ (void)initialize
{
#ifdef OF_WINDOWS
	HMODULE module;
#endif

	if (self != [OFURLHandler_file class])
		return;

	/*
	 * Make sure OFFile is initialized.
	 * On some systems, this is needed to initialize the file system driver.
	 */
	[OFFile class];

#if defined(OF_HAVE_CHOWN) && defined(OF_HAVE_THREADS)
	passwdMutex = [[OFMutex alloc] init];
#endif
#if !defined(HAVE_READDIR_R) && !defined(OF_WINDOWS) && defined(OF_HAVE_THREADS)
	readdirMutex = [[OFMutex alloc] init];
#endif

#ifdef OF_WINDOWS
	if ((module = LoadLibrary("kernel32.dll")) != NULL)
		func_CreateSymbolicLinkW =
		    (WINAPI BOOLEAN (*)(LPCWSTR, LPCWSTR, DWORD))
		    GetProcAddress(module, "CreateSymbolicLinkW");
#endif
}

+ (bool)of_directoryExistsAtPath: (OFString *)path
{
	of_stat_t s;

	if (of_stat(path, &s) == -1)
		return false;

	return S_ISDIR(s.st_mode);
}

- (of_file_attributes_t)attributesOfItemAtURL: (OFURL *)URL
{
	of_mutable_file_attributes_t ret = [OFMutableDictionary dictionary];
	void *pool = objc_autoreleasePoolPush();
	OFString *path;
	of_stat_t s;

	if (URL == nil)
		@throw [OFInvalidArgumentException exception];

	if (![[URL scheme] isEqual: _scheme])
		@throw [OFInvalidArgumentException exception];

	path = [URL fileSystemRepresentation];

	if (of_lstat(path, &s) == -1)
		@throw [OFRetrieveItemAttributesFailedException
		    exceptionWithURL: URL
			       errNo: errno];

	if (s.st_size < 0)
		@throw [OFOutOfRangeException exception];

	[ret setObject: [NSNumber numberWithUIntMax: s.st_size]
		forKey: of_file_attribute_key_size];

	setTypeAttribute(ret, &s);

	[ret setObject: [NSNumber numberWithUInt16: s.st_mode & 07777]
		forKey: of_file_attribute_key_posix_permissions];

	setOwnerAndGroupAttributes(ret, &s);
	setDateAttributes(ret, &s);
	setSymbolicLinkDestinationAttribute(ret, &s, URL);

	objc_autoreleasePoolPop(pool);

	return ret;
}

- (void)of_setPOSIXPermissions: (OFNumber *)permissions
		   ofItemAtURL: (OFURL *)URL
		    attributes: (of_file_attributes_t)attributes
{
#ifdef OF_FILE_MANAGER_SUPPORTS_PERMISSIONS
	uint16_t mode = [permissions uInt16Value] & 0777;
	OFString *path = [URL fileSystemRepresentation];

# ifndef OF_WINDOWS
	if (chmod([path cStringWithEncoding: [OFLocalization encoding]],
	    mode) != 0)
# else
	if (_wchmod([path UTF16String], mode) != 0)
# endif
		@throw [OFSetItemAttributesFailedException
		    exceptionWithURL: URL
			  attributes: attributes
		     failedAttribute: of_file_attribute_key_posix_permissions
			       errNo: errno];
#else
	OF_UNRECOGNIZED_SELECTOR
#endif
}

- (void)of_setOwner: (OFString *)owner
	   andGroup: (OFString *)group
	ofItemAtURL: (OFURL *)URL
       attributeKey: (of_file_attribute_key_t)attributeKey
	 attributes: (of_file_attributes_t)attributes
{
#ifdef OF_FILE_MANAGER_SUPPORTS_OWNER
	OFString *path = [URL fileSystemRepresentation];
	uid_t uid = -1;
	gid_t gid = -1;
	of_string_encoding_t encoding;

	if (owner == nil && group == nil)
		@throw [OFInvalidArgumentException exception];

	encoding = [OFLocalization encoding];

# ifdef OF_HAVE_THREADS
	[passwdMutex lock];
	@try {
# endif
		if (owner != nil) {
			struct passwd *passwd;

			if ((passwd = getpwnam([owner
			    cStringWithEncoding: encoding])) == NULL)
				@throw [OFSetItemAttributesFailedException
				    exceptionWithURL: URL
					  attributes: attributes
				     failedAttribute: attributeKey
					       errNo: errno];

			uid = passwd->pw_uid;
		}

		if (group != nil) {
			struct group *group_;

			if ((group_ = getgrnam([group
			    cStringWithEncoding: encoding])) == NULL)
				@throw [OFSetItemAttributesFailedException
				    exceptionWithURL: URL
					  attributes: attributes
				     failedAttribute: attributeKey
					       errNo: errno];

			gid = group_->gr_gid;
		}
# ifdef OF_HAVE_THREADS
	} @finally {
		[passwdMutex unlock];
	}
# endif

	if (chown([path cStringWithEncoding: encoding], uid, gid) != 0)
		@throw [OFSetItemAttributesFailedException
		    exceptionWithURL: URL
			  attributes: attributes
		     failedAttribute: attributeKey
			       errNo: errno];
#else
	OF_UNRECOGNIZED_SELECTOR
#endif
}

- (void)setAttributes: (of_file_attributes_t)attributes
	  ofItemAtURL: (OFURL *)URL
{
	void *pool = objc_autoreleasePoolPush();
	OFEnumerator OF_GENERIC(of_file_attribute_key_t) *keyEnumerator;
	OFEnumerator *objectEnumerator;
	of_file_attribute_key_t key;
	id object;

	if (URL == nil)
		@throw [OFInvalidArgumentException exception];

	if (![[URL scheme] isEqual: _scheme])
		@throw [OFInvalidArgumentException exception];

	keyEnumerator = [attributes keyEnumerator];
	objectEnumerator = [attributes objectEnumerator];

	while ((key = [keyEnumerator nextObject]) != nil &&
	    (object = [objectEnumerator nextObject]) != nil) {
		if ([key isEqual: of_file_attribute_key_posix_permissions])
			[self of_setPOSIXPermissions: object
					 ofItemAtURL: URL
					  attributes: attributes];
		else if ([key isEqual: of_file_attribute_key_owner])
			[self of_setOwner: object
				 andGroup: nil
			      ofItemAtURL: URL
			     attributeKey: key
			       attributes: attributes];
		else if ([key isEqual: of_file_attribute_key_group])
			[self of_setOwner: nil
				 andGroup: object
			      ofItemAtURL: URL
			     attributeKey: key
			       attributes: attributes];
		else
			@throw [OFInvalidArgumentException exception];
	}

	objc_autoreleasePoolPop(pool);
}

- (bool)fileExistsAtURL: (OFURL *)URL
{
	void *pool = objc_autoreleasePoolPush();
	of_stat_t s;
	bool ret;

	if (URL == nil)
		@throw [OFInvalidArgumentException exception];

	if (![[URL scheme] isEqual: _scheme])
		@throw [OFInvalidArgumentException exception];

	if (of_stat([URL fileSystemRepresentation], &s) == -1)
		return false;

	ret = S_ISREG(s.st_mode);

	objc_autoreleasePoolPop(pool);

	return ret;
}

- (bool)directoryExistsAtURL: (OFURL *)URL
{
	void *pool = objc_autoreleasePoolPush();
	of_stat_t s;
	bool ret;

	if (URL == nil)
		@throw [OFInvalidArgumentException exception];

	if (![[URL scheme] isEqual: _scheme])
		@throw [OFInvalidArgumentException exception];

	if (of_stat([URL fileSystemRepresentation], &s) == -1)
		return false;

	ret = S_ISDIR(s.st_mode);

	objc_autoreleasePoolPop(pool);

	return ret;
}

- (void)createDirectoryAtURL: (OFURL *)URL
{
	void *pool = objc_autoreleasePoolPush();
	OFString *path;

	if (URL == nil)
		@throw [OFInvalidArgumentException exception];

	if (![[URL scheme] isEqual: _scheme])
		@throw [OFInvalidArgumentException exception];

	path = [URL fileSystemRepresentation];

#if defined(OF_WINDOWS)
	if (_wmkdir([path UTF16String]) != 0)
		@throw [OFCreateDirectoryFailedException
		    exceptionWithURL: URL
			       errNo: errno];
#elif defined(OF_MORPHOS)
	BPTR lock;

	if ((lock = CreateDir(
	    [path cStringWithEncoding: [OFLocalization encoding]])) == 0) {
		int errNo;

		switch (IoErr()) {
		case ERROR_NO_FREE_STORE:
		case ERROR_DISK_FULL:
			errNo = ENOSPC;
			break;
		case ERROR_OBJECT_IN_USE:
		case ERROR_DISK_NOT_VALIDATED:
			errNo = EBUSY;
			break;
		case ERROR_OBJECT_EXISTS:
			errNo = EEXIST;
			break;
		case ERROR_OBJECT_NOT_FOUND:
			errNo = ENOENT;
			break;
		case ERROR_DISK_WRITE_PROTECTED:
			errNo = EROFS;
			break;
		default:
			errNo = 0;
			break;
		}

		@throw [OFCreateDirectoryFailedException
		    exceptionWithURL: URL
			       errNo: errNo];
	}

	UnLock(lock);
#else
	if (mkdir([path cStringWithEncoding: [OFLocalization encoding]],
	    0777) != 0)
		@throw [OFCreateDirectoryFailedException
		    exceptionWithURL: URL
			       errNo: errno];
#endif

	objc_autoreleasePoolPop(pool);
}

- (OFArray OF_GENERIC(OFString *) *)contentsOfDirectoryAtURL: (OFURL *)URL
{
	OFMutableArray *files = [OFMutableArray array];
	void *pool = objc_autoreleasePoolPush();
	OFString *path;

	if (URL == nil)
		@throw [OFInvalidArgumentException exception];

	if (![[URL scheme] isEqual: _scheme])
		@throw [OFInvalidArgumentException exception];

	path = [URL fileSystemRepresentation];

#if defined(OF_WINDOWS)
	HANDLE handle;
	WIN32_FIND_DATAW fd;

	path = [path stringByAppendingString: @"\\*"];

	if ((handle = FindFirstFileW([path UTF16String],
	    &fd)) == INVALID_HANDLE_VALUE) {
		int errNo = 0;

		if (GetLastError() == ERROR_FILE_NOT_FOUND)
			errNo = ENOENT;

		@throw [OFOpenItemFailedException exceptionWithURL: URL
							      mode: nil
							     errNo: errNo];
	}

	@try {
		do {
			OFString *file;

			if (!wcscmp(fd.cFileName, L".") ||
			    !wcscmp(fd.cFileName, L".."))
				continue;

			file = [OFString stringWithUTF16String: fd.cFileName];
			@try {
				[files addObject: file];
			} @finally {
				[file release];
			}
		} while (FindNextFileW(handle, &fd));

		if (GetLastError() != ERROR_NO_MORE_FILES)
			@throw [OFReadFailedException exceptionWithObject: self
							  requestedLength: 0
								    errNo: EIO];
	} @finally {
		FindClose(handle);
	}
#elif defined(OF_MORPHOS)
	of_string_encoding_t encoding = [OFLocalization encoding];
	BPTR lock;
	struct FileInfoBlock fib;

	if ((lock = Lock([path cStringWithEncoding: encoding],
	    SHARED_LOCK)) == 0) {
		int errNo;

		switch (IoErr()) {
		case ERROR_OBJECT_IN_USE:
		case ERROR_DISK_NOT_VALIDATED:
			errNo = EBUSY;
			break;
		case ERROR_OBJECT_NOT_FOUND:
			errNo = ENOENT;
			break;
		default:
			errNo = 0;
			break;
		}

		@throw [OFOpenItemFailedException exceptionWithURL: URL
							      mode: nil
							     errNo: errNo];
	}

	@try {
		if (!Examine(lock, &fib))
			@throw [OFOpenItemFailedException
			    exceptionWithURL: URL
					mode: nil
				       errNo: 0];

		while (ExNext(lock, &fib)) {
			OFString *file;

			file = [[OFString alloc]
			    initWithCString: fib.fib_FileName
				   encoding: encoding];
			@try {
				[files addObject: file];
			} @finally {
				[file release];
			}
		}

		if (IoErr() != ERROR_NO_MORE_ENTRIES)
			@throw [OFReadFailedException
			    exceptionWithObject: self
				requestedLength: 0
					  errNo: EIO];
	} @finally {
		UnLock(lock);
	}
#else
	of_string_encoding_t encoding = [OFLocalization encoding];
	DIR *dir;

	if ((dir = opendir([path cStringWithEncoding: encoding])) == NULL)
		@throw [OFOpenItemFailedException exceptionWithURL: URL
							      mode: nil
							     errNo: errno];

# if !defined(HAVE_READDIR_R) && defined(OF_HAVE_THREADS)
	@try {
		[readdirMutex lock];
	} @catch (id e) {
		closedir(dir);
		@throw e;
	}
# endif

	@try {
		for (;;) {
			struct dirent *dirent;
# ifdef HAVE_READDIR_R
			struct dirent buffer;
# endif
			OFString *file;

# ifdef HAVE_READDIR_R
			if (readdir_r(dir, &buffer, &dirent) != 0)
				@throw [OFReadFailedException
				    exceptionWithObject: self
					requestedLength: 0
						  errNo: errno];

			if (dirent == NULL)
				break;
# else
			errno = 0;
			if ((dirent = readdir(dir)) == NULL) {
				if (errno == 0)
					break;
				else
					@throw [OFReadFailedException
					    exceptionWithObject: self
						requestedLength: 0
							  errNo: errno];
			}
# endif

			if (strcmp(dirent->d_name, ".") == 0 ||
			    strcmp(dirent->d_name, "..") == 0)
				continue;

			file = [[OFString alloc] initWithCString: dirent->d_name
							encoding: encoding];
			@try {
				[files addObject: file];
			} @finally {
				[file release];
			}
		}
	} @finally {
		closedir(dir);
# if !defined(HAVE_READDIR_R) && defined(OF_HAVE_THREADS)
		[readdirMutex unlock];
# endif
	}
#endif

	[files makeImmutable];

	objc_autoreleasePoolPop(pool);

	return files;
}

- (void)removeItemAtURL: (OFURL *)URL
{
	void *pool = objc_autoreleasePoolPush();
	OFString *path;
	of_stat_t s;

	if (URL == nil)
		@throw [OFInvalidArgumentException exception];

	if (![[URL scheme] isEqual: _scheme])
		@throw [OFInvalidArgumentException exception];

	path = [URL fileSystemRepresentation];

	if (of_lstat(path, &s) != 0)
		@throw [OFRemoveItemFailedException exceptionWithURL: URL
							       errNo: errno];

	if (S_ISDIR(s.st_mode)) {
		OFArray *contents;

		@try {
			contents = [self contentsOfDirectoryAtURL: URL];
		} @catch (id e) {
			/*
			 * Only convert exceptions to
			 * OFRemoveItemFailedException that have an errNo
			 * property. This covers all I/O related exceptions
			 * from the operations used to remove an item, all
			 * others should be left as is.
			 */
			if ([e respondsToSelector: @selector(errNo)])
				@throw [OFRemoveItemFailedException
				    exceptionWithURL: URL
					       errNo: [e errNo]];

			@throw e;
		}

		for (OFString *item in contents) {
			void *pool2 = objc_autoreleasePoolPush();

			[self removeItemAtURL: [OFURL fileURLWithPath:
			    [path stringByAppendingPathComponent: item]]];

			objc_autoreleasePoolPop(pool2);
		}

#ifndef OF_MORPHOS
# ifndef OF_WINDOWS
		if (rmdir([path cStringWithEncoding:
		    [OFLocalization encoding]]) != 0)
# else
		if (_wrmdir([path UTF16String]) != 0)
# endif
			@throw [OFRemoveItemFailedException
				exceptionWithURL: URL
					   errNo: errno];
	} else {
# ifndef OF_WINDOWS
		if (unlink([path cStringWithEncoding:
		    [OFLocalization encoding]]) != 0)
# else
		if (_wunlink([path UTF16String]) != 0)
# endif
			@throw [OFRemoveItemFailedException
			    exceptionWithURL: URL
				       errNo: errno];
#endif
	}

#ifdef OF_MORPHOS
	if (!DeleteFile(
	    [path cStringWithEncoding: [OFLocalization encoding]])) {
		int errNo;

		switch (IoErr()) {
		case ERROR_OBJECT_IN_USE:
		case ERROR_DISK_NOT_VALIDATED:
			errNo = EBUSY;
			break;
		case ERROR_OBJECT_NOT_FOUND:
			errNo = ENOENT;
			break;
		case ERROR_DISK_WRITE_PROTECTED:
			errNo = EROFS;
			break;
		case ERROR_DELETE_PROTECTED:
			errNo = EACCES;
			break;
		default:
			errNo = 0;
			break;
		}

		@throw [OFRemoveItemFailedException exceptionWithURL: URL
							       errNo: errNo];
	}
#endif

	objc_autoreleasePoolPop(pool);
}

#ifdef OF_FILE_MANAGER_SUPPORTS_LINKS
- (void)linkItemAtURL: (OFURL *)source
		toURL: (OFURL *)destination
{
	void *pool = objc_autoreleasePoolPush();
	OFString *sourcePath, *destinationPath;

	if (source == nil || destination == nil)
		@throw [OFInvalidArgumentException exception];

	if (![[source scheme] isEqual: _scheme] ||
	    ![[destination scheme] isEqual: _scheme])
		@throw [OFInvalidArgumentException exception];

	sourcePath = [source fileSystemRepresentation];
	destinationPath = [destination fileSystemRepresentation];

# ifndef OF_WINDOWS
	of_string_encoding_t encoding = [OFLocalization encoding];

	if (link([sourcePath cStringWithEncoding: encoding],
	    [destinationPath cStringWithEncoding: encoding]) != 0)
		@throw [OFLinkFailedException
		    exceptionWithSourceURL: source
			    destinationURL: destination
				     errNo: errno];
# else
	if (!CreateHardLinkW([destinationPath UTF16String],
	    [sourcePath UTF16String], NULL))
		@throw [OFLinkFailedException
		    exceptionWithSourceURL: source
			    destinationURL: destination
				     errNo: 0];
# endif

	objc_autoreleasePoolPop(pool);
}
#endif

#ifdef OF_FILE_MANAGER_SUPPORTS_SYMLINKS
- (void)createSymbolicLinkAtURL: (OFURL *)URL
	    withDestinationPath: (OFString *)target
{
	void *pool = objc_autoreleasePoolPush();
	OFString *path;

	if (URL == nil || target == nil)
		@throw [OFInvalidArgumentException exception];

	if (![[URL scheme] isEqual: _scheme])
		@throw [OFInvalidArgumentException exception];

	path = [URL fileSystemRepresentation];

# ifndef OF_WINDOWS
	of_string_encoding_t encoding = [OFLocalization encoding];

	if (symlink([target cStringWithEncoding: encoding],
	    [path cStringWithEncoding: encoding]) != 0)
		@throw [OFCreateSymbolicLinkFailedException
		    exceptionWithURL: URL
			      target: target
			       errNo: errno];
# else
	if (func_CreateSymbolicLinkW == NULL)
		@throw [OFNotImplementedException exceptionWithSelector: _cmd
								 object: self];

	if (!func_CreateSymbolicLinkW([path UTF16String],
	    [target UTF16String], 0))
		@throw [OFCreateSymbolicLinkFailedException
		    exceptionWithURL: URL
			      target: target
			       errNo: 0];
# endif

	objc_autoreleasePoolPop(pool);
}
#endif
@end

 * file.
 */

#import "OFException.h"

OF_ASSUME_NONNULL_BEGIN

@class OFURL;

/*!
 * @class OFCreateDirectoryFailedException \
 *	  OFCreateDirectoryFailedException.h \
 *	  ObjFW/OFCreateDirectoryFailedException.h
 *
 * @brief An exception indicating a directory couldn't be created.
 */
@interface OFCreateDirectoryFailedException: OFException
{
	OFURL *_URL;
	int _errNo;
}

/*!
 * The URL of the directory which couldn't be created.
 */
@property (readonly, nonatomic) OFURL *URL;

/*!
 * The errno of the error that occurred.
 */
@property (readonly, nonatomic) int errNo;

+ (instancetype)exception OF_UNAVAILABLE;

/*!
 * @brief Creates a new, autoreleased create directory failed exception.
 *
 * @param URL The URL of the directory which could not be created

 * @param errNo The errno of the error that occurred
 * @return A new, autoreleased create directory failed exception
 */
+ (instancetype)exceptionWithURL: (OFURL *)URL
			   errNo: (int)errNo;

- (instancetype)init OF_UNAVAILABLE;

/*!
 * @brief Initializes an already allocated create directory failed exception.
 *
 * @param URL The URL of the directory which could not be created

 * @param errNo The errno of the error that occurred
 * @return An initialized create directory failed exception
 */
- (instancetype)initWithURL: (OFURL *)URL
		      errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
@end

OF_ASSUME_NONNULL_END

 * file.
 */

#include "config.h"

#import "OFCreateDirectoryFailedException.h"
#import "OFString.h"
#import "OFURL.h"

@implementation OFCreateDirectoryFailedException
@synthesize URL = _URL, errNo = _errNo;

+ (instancetype)exception
{
	OF_UNRECOGNIZED_SELECTOR
}

+ (instancetype)exceptionWithURL: (OFURL *)URL
			    errNo: (int)errNo
{
	return [[[self alloc] initWithURL: URL
				    errNo: errNo] autorelease];
}

- (instancetype)init
{
	OF_INVALID_INIT_METHOD
}

- (instancetype)initWithURL: (OFURL *)URL
		      errNo: (int)errNo
{
	self = [super init];

	@try {
		_URL = [URL copy];
		_errNo = errNo;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
	[_URL release];

	[super dealloc];
}

- (OFString *)description
{
	return [OFString stringWithFormat:
	    @"Failed to create directory %@: %@", _URL, of_strerror(_errNo)];

}
@end

 * file.
 */

#import "OFException.h"

OF_ASSUME_NONNULL_BEGIN

@class OFURL;

/*!
 * @class OFCreateSymbolicLinkFailedException \
 *	  OFCreateSymbolicLinkFailedException.h \
 *	  ObjFW/OFCreateSymbolicLinkFailedException.h
 *
 * @brief An exception indicating that creating a symbolic link failed.
 */
@interface OFCreateSymbolicLinkFailedException: OFException
{
	OFURL *_URL;
	OFString *_target;
	int _errNo;
}

/*!
 * The URL at which the symlink should have been created.
 */
@property (readonly, nonatomic) OFURL *URL;

/*!
 * The target for the symlink.
 */
@property (readonly, nonatomic) OFString *target;

/*!
 * The errno of the error that occurred.
 */
@property (readonly, nonatomic) int errNo;

+ (instancetype)exception OF_UNAVAILABLE;

/*!
 * @brief Creates a new, autoreleased create symbolic link failed exception.
 *
 * @param URL The URL where the symlink should have been created
 * @param target The target for the symbolic link
 * @param errNo The errno of the error that occurred
 * @return A new, autoreleased create symbolic link failed exception
 */
+ (instancetype)exceptionWithURL: (OFURL *)URL
			  target: (OFString *)target
			   errNo: (int)errNo;

- (instancetype)init OF_UNAVAILABLE;

/*!
 * @brief Initializes an already allocated create symbolic link failed
 *	  exception.
 *
 * @param URL The URL where the symlink should have been created
 * @param target The target for the symbolic link
 * @param errNo The errno of the error that occurred
 * @return An initialized create symbolic link failed exception
 */
- (instancetype)initWithURL: (OFURL *)URL
		     target: (OFString *)target
		      errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
@end

OF_ASSUME_NONNULL_END

 * file.
 */

#include "config.h"

#import "OFCreateSymbolicLinkFailedException.h"
#import "OFString.h"
#import "OFURL.h"

@implementation OFCreateSymbolicLinkFailedException

@synthesize URL = _URL, target = _target, errNo = _errNo;

+ (instancetype)exception
{
	OF_UNRECOGNIZED_SELECTOR
}

+ (instancetype)exceptionWithURL: (OFURL *)URL
			  target: (OFString *)target
			   errNo: (int)errNo
{
	return [[[self alloc] initWithURL: URL
				   target: target
				    errNo: errNo] autorelease];
}

- (instancetype)init
{
	OF_INVALID_INIT_METHOD
}

- (instancetype)initWithURL: (OFURL *)URL
		     target: (OFString *)target
		      errNo: (int)errNo
{
	self = [super init];

	@try {
		_URL = [URL copy];
		_target = [target copy];
		_errNo = errNo;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
	[_URL release];
	[_target release];

	[super dealloc];
}

- (OFString *)description
{
	return [OFString stringWithFormat:
	    @"Failed to create symbolic link %@ with target %@: %@",
	    _URL, _target, of_strerror(_errNo)];
}
@end

 * file.
 */

#import "OFException.h"

OF_ASSUME_NONNULL_BEGIN

@class OFURL;

/*!
 * @class OFLinkFailedException \
 *	  OFLinkFailedException.h ObjFW/OFLinkFailedException.h
 *
 * @brief An exception indicating that creating a link failed.
 */
@interface OFLinkFailedException: OFException
{
	OFURL *_sourceURL, *_destinationURL;
	int _errNo;
}

/*!
 * A URL with the source for the link.
 */
@property (readonly, nonatomic) OFURL *sourceURL;

/*!
 * A URL with the destination for the link.
 */
@property (readonly, nonatomic) OFURL *destinationURL;

/*!
 * The errno of the error that occurred.
 */
@property (readonly, nonatomic) int errNo;

+ (instancetype)exception OF_UNAVAILABLE;

/*!
 * @brief Creates a new, autoreleased link failed exception.
 *
 * @param sourceURL The source for the link
 * @param destinationURL The destination for the link
 * @param errNo The errno of the error that occurred
 * @return A new, autoreleased link failed exception
 */
+ (instancetype)exceptionWithSourceURL: (OFURL *)sourceURL
			destinationURL: (OFURL *)destinationURL
				 errNo: (int)errNo;

- (instancetype)init OF_UNAVAILABLE;

/*!
 * @brief Initializes an already allocated link failed exception.
 *
 * @param sourceURL The source for the link
 * @param destinationURL The destination for the link
 * @param errNo The errno of the error that occurred
 * @return An initialized link failed exception
 */
- (instancetype)initWithSourceURL: (OFURL*)sourceURL
		   destinationURL: (OFURL *)destinationURL
			    errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
@end

OF_ASSUME_NONNULL_END

 * file.
 */

#include "config.h"

#import "OFLinkFailedException.h"
#import "OFString.h"
#import "OFURL.h"

@implementation OFLinkFailedException
@synthesize sourceURL = _sourceURL, destinationURL = _destinationURL;
@synthesize errNo = _errNo;

+ (instancetype)exception
{
	OF_UNRECOGNIZED_SELECTOR
}

+ (instancetype)exceptionWithSourceURL: (OFURL *)sourceURL
			destinationURL: (OFURL *)destinationURL
				 errNo: (int)errNo
{
	return [[[self alloc] initWithSourceURL: sourceURL
				 destinationURL: destinationURL
					  errNo: errNo] autorelease];
}

- (instancetype)init
{
	OF_INVALID_INIT_METHOD
}

- (instancetype)initWithSourceURL: (OFURL *)sourceURL
		   destinationURL: (OFURL *)destinationURL
			    errNo: (int)errNo
{
	self = [super init];

	@try {
		_sourceURL = [sourceURL copy];
		_destinationURL = [destinationURL copy];
		_errNo = errNo;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
	[_sourceURL release];
	[_destinationURL release];

	[super dealloc];
}

- (OFString *)description
{
	return [OFString stringWithFormat: @"Failed to link file %@ to %@: %@",
	    _sourceURL, _destinationURL, of_strerror(_errNo)];
}
@end

 * file.
 */

#import "OFException.h"

OF_ASSUME_NONNULL_BEGIN

@class OFURL;

/*!
 * @class OFOpenItemFailedException \
 *	  OFOpenItemFailedException.h ObjFW/OFOpenItemFailedException.h
 *
 * @brief An exception indicating an item could not be opened.
 */
@interface OFOpenItemFailedException: OFException
{
	OFURL *_Nullable _URL;
	OFString *_Nullable _path;
	OFString *_mode;
	int _errNo;
}

/*!
 * The URL of the item which could not be opened.
 */
@property OF_NULLABLE_PROPERTY (readonly, nonatomic) OFURL *URL;

/*!
 * The path of the item which could not be opened.
 */
@property OF_NULLABLE_PROPERTY (readonly, nonatomic) OFString *path;

/*!
 * The mode in which the item should have been opened.
 */
@property OF_NULLABLE_PROPERTY (readonly, nonatomic) OFString *mode;

/*!
 * The errno of the error that occurred.
 */
@property (readonly, nonatomic) int errNo;

+ (instancetype)exception OF_UNAVAILABLE;

/*!
 * @brief Creates a new, autoreleased open item failed exception.
 *
 * @param URL The URL of the item which could not be opened
 * @param mode A string with the mode in which the item should have been opened
 * @param errNo The errno of the error that occurred
 * @return A new, autoreleased open item failed exception
 */
+ (instancetype)exceptionWithURL: (OFURL *)URL
			    mode: (nullable OFString *)mode
			   errNo: (int)errNo;

/*!
 * @brief Creates a new, autoreleased open item failed exception.
 *
 * @param path The path of the item which could not be opened
 * @param mode A string with the mode in which the item should have been opened
 * @param errNo The errno of the error that occurred
 * @return A new, autoreleased open item failed exception
 */
+ (instancetype)exceptionWithPath: (OFString *)path
			     mode: (nullable OFString *)mode
			    errNo: (int)errNo;

- (instancetype)init OF_UNAVAILABLE;

/*!
 * @brief Initializes an already allocated open item failed exception.
 *
 * @param URL The URL of the item which could not be opened
 * @param mode A string with the mode in which the item should have been opened
 * @param errNo The errno of the error that occurred
 * @return An initialized open item failed exception
 */
- (instancetype)initWithURL: (OFURL *)URL
		       mode: (nullable OFString *)mode
		      errNo: (int)errNo;

/*!
 * @brief Initializes an already allocated open item failed exception.
 *
 * @param path The path of the item which could not be opened
 * @param mode A string with the mode in which the item should have been opened
 * @param errNo The errno of the error that occurred
 * @return An initialized open item failed exception
 */
- (instancetype)initWithPath: (OFString *)path
			mode: (nullable OFString *)mode
		       errNo: (int)errNo;
@end

OF_ASSUME_NONNULL_END

 * file.
 */

#include "config.h"

#import "OFOpenItemFailedException.h"
#import "OFString.h"
#import "OFURL.h"

@implementation OFOpenItemFailedException
@synthesize URL = _URL, path = _path, mode = _mode, errNo = _errNo;

+ (instancetype)exception
{
	OF_UNRECOGNIZED_SELECTOR
}

+ (instancetype)exceptionWithURL: (OFURL *)URL
			    mode: (OFString *)mode
			   errNo: (int)errNo
{
	return [[[self alloc] initWithURL: URL
				     mode: mode
				    errNo: errNo] autorelease];
}

+ (instancetype)exceptionWithPath: (OFString *)path
			     mode: (OFString *)mode
			    errNo: (int)errNo
{
	return [[[self alloc] initWithPath: path
				      mode: mode
				     errNo: errNo] autorelease];
}

- (instancetype)init
{
	OF_INVALID_INIT_METHOD
}

- (instancetype)initWithURL: (OFURL *)URL
		       mode: (OFString *)mode
		      errNo: (int)errNo
{
	self = [super init];

	@try {
		_URL = [URL copy];
		_mode = [mode copy];
		_errNo = errNo;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (instancetype)initWithPath: (OFString *)path
			mode: (OFString *)mode
		       errNo: (int)errNo
{
	self = [super init];

	@try {
		_path = [path copy];
		_mode = [mode copy];
		_errNo = errNo;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
	[_URL release];
	[_path release];
	[_mode release];

	[super dealloc];
}

- (OFString *)description
{
	id item = nil;

	if (_URL != nil)
		item = _URL;
	else if (_path != nil)
		item = _path;

	if (_mode != nil)
		return [OFString stringWithFormat:
		    @"Failed to open item %@ with mode %@: %@",
		    item, _mode, of_strerror(_errNo)];
	else
		return [OFString stringWithFormat:
		    @"Failed to open item %@: %@", item, of_strerror(_errNo)];
}
@end

 * file.
 */

#import "OFException.h"

OF_ASSUME_NONNULL_BEGIN

@class OFURL;

/*!
 * @class OFRemoveItemFailedException \
 *	  OFRemoveItemFailedException.h ObjFW/OFRemoveItemFailedException.h
 *
 * @brief An exception indicating that removing an item failed.
 */
@interface OFRemoveItemFailedException: OFException
{
	OFURL *_URL;
	int _errNo;
}

/*!
 * The URL of the item which could not be removed.
 */
@property (readonly, nonatomic) OFURL *URL;

/*!
 * The errno of the error that occurred.
 */
@property (readonly, nonatomic) int errNo;

+ (instancetype)exception OF_UNAVAILABLE;

/*!
 * @brief Creates a new, autoreleased remove failed exception.
 *
 * @param URL The URL of the item which could not be removed
 * @param errNo The errno of the error that occurred
 * @return A new, autoreleased remove item failed exception
 */
+ (instancetype)exceptionWithURL: (OFURL *)URL
			   errNo: (int)errNo;

- (instancetype)init OF_UNAVAILABLE;

/*!
 * @brief Initializes an already allocated remove failed exception.
 *
 * @param URL The URL of the item which could not be removed
 * @param errNo The errno of the error that occurred
 * @return An initialized remove item failed exception
 */
- (instancetype)initWithURL: (OFURL *)URL
		      errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
@end

OF_ASSUME_NONNULL_END

 * file.
 */

#include "config.h"

#import "OFRemoveItemFailedException.h"
#import "OFString.h"
#import "OFURL.h"

@implementation OFRemoveItemFailedException
@synthesize URL = _URL, errNo = _errNo;

+ (instancetype)exception
{
	OF_UNRECOGNIZED_SELECTOR
}

+ (instancetype)exceptionWithURL: (OFURL *)URL
			   errNo: (int)errNo
{
	return [[[self alloc] initWithURL: URL
				    errNo: errNo] autorelease];
}

- (instancetype)init
{
	OF_INVALID_INIT_METHOD
}

- (instancetype)initWithURL: (OFURL *)URL
		      errNo: (int)errNo
{
	self = [super init];

	@try {
		_URL = [URL copy];
		_errNo = errNo;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
	[_URL release];

	[super dealloc];
}

- (OFString *)description
{
	return [OFString stringWithFormat:
	    @"Failed to remove item at URL %@: %@", _URL, of_strerror(_errNo)];

}
@end

 * file.
 */

#import "OFException.h"

OF_ASSUME_NONNULL_BEGIN

@class OFURL;

/*!
 * @class OFRetrieveItemAttributesFailedException \
 *	  OFRetrieveItemAttributesFailedException.h \
 *	  ObjFW/OFRetrieveItemAttributesFailedException.h
 *
 * @brief An exception indicating an item's attributes could not be retrieved.
 */
@interface OFRetrieveItemAttributesFailedException: OFException
{
	OFURL *_URL;
	int _errNo;
}

/*!
 * The URL of the item whose attributes could not be retrieved.
 */
@property (readonly, nonatomic) OFURL *URL;

/*!
 * The errno of the error that occurred.
 */
@property (readonly, nonatomic) int errNo;

+ (instancetype)exception OF_UNAVAILABLE;

/*!
 * @brief Creates a new, autoreleased retrieve item attributes failed exception.
 *
 * @param URL The URL of the item whose attributes could not be retrieved

 * @param errNo The errno of the error that occurred
 * @return A new, autoreleased retrieve item attributes failed exception
 */
+ (instancetype)exceptionWithURL: (OFURL *)URL
			   errNo: (int)errNo;

- (instancetype)init OF_UNAVAILABLE;

/*!
 * @brief Initializes an already allocated retrieve item attributes failed
 *	  exception.
 *
 * @param URL The URL of the item whose attributes could not be retrieved

 * @param errNo The errno of the error that occurred
 * @return An initialized retrieve item attributes failed exception
 */
- (instancetype)initWithURL: (OFURL *)URL
		      errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
@end

OF_ASSUME_NONNULL_END

 * file.
 */

#include "config.h"

#import "OFRetrieveItemAttributesFailedException.h"
#import "OFString.h"
#import "OFURL.h"

@implementation OFRetrieveItemAttributesFailedException
@synthesize URL = _URL, errNo = _errNo;

+ (instancetype)exception
{
	OF_UNRECOGNIZED_SELECTOR
}

+ (instancetype)exceptionWithURL: (OFURL *)URL
			   errNo: (int)errNo
{
	return [[[self alloc] initWithURL: URL
				    errNo: errNo] autorelease];
}

- (instancetype)init
{
	OF_INVALID_INIT_METHOD
}

- (instancetype)initWithURL: (OFURL *)URL
		      errNo: (int)errNo
{
	self = [super init];

	@try {
		_URL = [URL copy];
		_errNo = errNo;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
	[_URL release];

	[super dealloc];
}

- (OFString *)description
{
	return [OFString stringWithFormat:
	    @"Failed to retrieve attributes for item %@: %@",
	    _URL, of_strerror(_errNo)];
}
@end

 */

#import "OFException.h"
#import "OFFileManager.h"

OF_ASSUME_NONNULL_BEGIN

@class OFURL;

/*!
 * @class OFSetItemAttributesFailedException \
 *	  OFSetItemAttributesFailedException.h \
 *	  ObjFW/OFSetItemAttributesFailedException.h
 *
 * @brief An exception indicating an item's attributes could not be set.
 */
@interface OFSetItemAttributesFailedException: OFException
{
	OFURL *_URL;
	of_file_attributes_t _attributes;
	of_file_attribute_key_t _failedAttribute;
	int _errNo;
}

/*!
 * The URL of the item whose attributes could not be set.
 */
@property (readonly, nonatomic) OFURL *URL;

/*!
 * The errno of the error that occurred.
 */
@property (readonly, nonatomic) int errNo;

/*!

@property (readonly, nonatomic) of_file_attribute_key_t failedAttribute;

+ (instancetype)exception OF_UNAVAILABLE;

/*!
 * @brief Creates a new, autoreleased set item attributes failed exception.
 *
 * @param URL The URL of the item whose attributes could not be set

 * @param attributes The attributes that should have been set for the specified
 *		     item.
 * @param failedAttribute The first attribute that could not be set
 * @param errNo The errno of the error that occurred
 * @return A new, autoreleased set item attributes failed exception
 */
+ (instancetype)exceptionWithURL: (OFURL *)URL
		      attributes: (of_file_attributes_t)attributes
		 failedAttribute: (of_file_attribute_key_t)failedAttribute
			   errNo: (int)errNo;

- (instancetype)init OF_UNAVAILABLE;

/*!
 * @brief Initializes an already allocated set item attributes failed exception.
 *
 * @param URL The URL of the item whose attributes could not be set

 * @param attributes The attributes that should have been set for the specified
 *		     item.
 * @param failedAttribute The first attribute that could not be set
 * @param errNo The errno of the error that occurred
 * @return An initialized set item attributes failed exception
 */
- (instancetype)initWithURL: (OFURL *)URL
		 attributes: (of_file_attributes_t)attributes
	    failedAttribute: (of_file_attribute_key_t)failedAttribute
		      errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
@end

OF_ASSUME_NONNULL_END

 * file.
 */

#include "config.h"

#import "OFSetItemAttributesFailedException.h"
#import "OFString.h"
#import "OFURL.h"

@implementation OFSetItemAttributesFailedException
@synthesize URL = _URL, attributes = _attributes;
@synthesize failedAttribute = _failedAttribute, errNo = _errNo;

+ (instancetype)exception
{
	OF_UNRECOGNIZED_SELECTOR
}

+ (instancetype)exceptionWithURL: (OFURL *)URL
		      attributes: (of_file_attributes_t)attributes
		 failedAttribute: (of_file_attribute_key_t)failedAttribute
			   errNo: (int)errNo
{
	return [[[self alloc] initWithURL: URL
			       attributes: attributes
			  failedAttribute: failedAttribute
				    errNo: errNo] autorelease];
}

- (instancetype)init
{
	OF_INVALID_INIT_METHOD
}

- (instancetype)initWithURL: (OFURL *)URL
		 attributes: (of_file_attributes_t)attributes
	    failedAttribute: (of_file_attribute_key_t)failedAttribute
		      errNo: (int)errNo
{
	self = [super init];

	@try {
		_URL = [URL copy];
		_attributes = [attributes copy];
		_failedAttribute = [failedAttribute copy];
		_errNo = errNo;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
	[_URL release];
	[_attributes release];
	[_failedAttribute release];

	[super dealloc];
}

- (OFString *)description
{
	return [OFString stringWithFormat:
	    @"Failed to set attribute %@ for item %@: %@",
	    _failedAttribute, _URL, of_strerror(_errNo)];
}
@end

#include <string.h>

#import "OFApplication.h"
#import "OFArray.h"
#import "OFFile.h"
#import "OFFileManager.h"
#import "OFLocalization.h"
#import "OFOptionsParser.h"
#import "OFSandbox.h"
#import "OFStdIOStream.h"
#import "OFURL.h"

#import "OFZIP.h"
#import "GZIPArchive.h"
#import "TarArchive.h"
#import "ZIPArchive.h"

#import "OFCreateDirectoryFailedException.h"

			OFString *error = [OFString
			    stringWithCString: strerror([e errNo])
				     encoding: [OFLocalization encoding]];
			[of_stderr writeString: @"\r"];
			[of_stderr writeLine: OF_LOCALIZED(
			    @"failed_to_create_directory",
			    @"Failed to create directory %[dir]: %[error]",
			    @"dir", [[e URL] fileSystemRepresentation],
			    @"error", error)];
			_exitStatus = 1;
		} @catch (OFOpenItemFailedException *e) {
			OFString *error = [OFString
			    stringWithCString: strerror([e errNo])
				     encoding: [OFLocalization encoding]];
			[of_stderr writeString: @"\r"];