ObjFW  Changes On Branch ed3b07591c9711c5

@class OFString;

@interface TableGenerator: OFObject <OFApplicationDelegate,
    OFHTTPClientDelegate>
{
	OFHTTPClient *_HTTPClient;
	of_unichar_t _uppercaseTable[0x110000];
	of_unichar_t _lowercaseTable[0x110000];
	of_unichar_t _titlecaseTable[0x110000];
	of_unichar_t _casefoldingTable[0x110000];
	OFString *_decompositionTable[0x110000];
	OFString *_decompositionCompatTable[0x110000];
	char _uppercaseTableUsed[0x1100];
	char _lowercaseTableUsed[0x1100];
	char _titlecaseTableUsed[0x1100];
	char _casefoldingTableUsed[0x1100];
	char _decompositionTableUsed[0x1100];

	OFHTTPRequest *request;

	[of_stdout writeString: @"Parsing UnicodeData.txt…"];

	while ((line = [response readLine]) != nil) {
		void *pool2;
		OFArray OF_GENERIC(OFString *) *components;
		of_unichar_t codePoint;

		if (line.length == 0)
			continue;

		pool2 = objc_autoreleasePoolPush();

		components = [line componentsSeparatedByString: @";"];
		if (components.count != 15) {
			of_log(@"Invalid line: %@\n", line);
			[OFApplication terminateWithStatus: 1];
		}

		codePoint = (of_unichar_t)[[components objectAtIndex: 0]
		    unsignedLongLongValueWithBase: 16];

		if (codePoint > 0x10FFFF)
			@throw [OFOutOfRangeException exception];

		_uppercaseTable[codePoint] = (of_unichar_t)[[components
		    objectAtIndex: 12] unsignedLongLongValueWithBase: 16];
		_lowercaseTable[codePoint] = (of_unichar_t)[[components
		    objectAtIndex: 13] unsignedLongLongValueWithBase: 16];
		_titlecaseTable[codePoint] = (of_unichar_t)[[components
		    objectAtIndex: 14] unsignedLongLongValueWithBase: 16];

		if ([[components objectAtIndex: 5] length] > 0) {
			OFArray *decomposed = [[components objectAtIndex: 5]
			    componentsSeparatedByString: @" "];
			bool compat = false;
			OFMutableString *string;

			if ([decomposed.firstObject hasPrefix: @"<"]) {
				decomposed = [decomposed objectsInRange:
				    of_range(1, decomposed.count - 1)];
				compat = true;
			}

			string = [OFMutableString string];

			for (OFString *character in decomposed) {
				of_unichar_t unichar = (of_unichar_t)[character
				    unsignedLongLongValueWithBase: 16];

				[string appendCharacters: &unichar
						  length: 1];
			}

			[string makeImmutable];

	OFString *line;

	[of_stdout writeString: @"Parsing CaseFolding.txt…"];

	while ((line = [response readLine]) != nil) {
		void *pool2;
		OFArray OF_GENERIC(OFString *) *components;
		of_unichar_t codePoint;

		if (line.length == 0 || [line hasPrefix: @"#"])
			continue;

		pool2 = objc_autoreleasePoolPush();

		components = [line componentsSeparatedByString: @"; "];
		if (components.count != 4) {
			of_log(@"Invalid line: %s\n", line);
			[OFApplication terminateWithStatus: 1];
		}

		if (![[components objectAtIndex: 1] isEqual: @"S"] &&
		    ![[components objectAtIndex: 1] isEqual: @"C"])
			continue;

		codePoint = (of_unichar_t)[[components objectAtIndex: 0]
		    unsignedLongLongValueWithBase: 16];

		if (codePoint > 0x10FFFF)
			@throw [OFOutOfRangeException exception];

		_casefoldingTable[codePoint] = (of_unichar_t)[[components
		    objectAtIndex: 2] unsignedLongLongValueWithBase: 16];

		objc_autoreleasePoolPop(pool2);
	}

	[of_stdout writeLine: @" done"];

	[self writeFiles];
}

- (void)applyDecompositionRecursivelyForTable: (OFString *[0x110000])table
{
	bool done;

	do {
		done = true;

		for (of_unichar_t i = 0; i < 0x110000; i++) {
			void *pool;
			const of_unichar_t *characters;
			size_t length;
			OFMutableString *replacement;
			bool changed = false;

			if (table[i] == nil)
				continue;

	OFFile *file = [OFFile fileWithPath: path
				       mode: @"w"];

	[file writeString: COPYRIGHT
	    @"#include \"config.h\"\n"
	    @"\n"
	    @"#import \"OFString.h\"\n\n"
	    @"static const of_unichar_t emptyPage[0x100] = { 0 };\n"
	    @"static const char *emptyDecompositionPage[0x100] = { NULL };\n"
	    @"\n"];

	/* Write uppercasePage%u */
	for (of_unichar_t i = 0; i < 0x110000; i += 0x100) {
		bool isEmpty = true;

		for (of_unichar_t j = i; j < i + 0x100; j++) {
			if (_uppercaseTable[j] != 0) {
				isEmpty = false;
				_uppercaseTableSize = i >> 8;
				_uppercaseTableUsed[_uppercaseTableSize] = 1;
				break;
			}
		}

		if (!isEmpty) {
			void *pool2 = objc_autoreleasePoolPush();

			[file writeFormat: @"static const of_unichar_t "
					   @"uppercasePage%u[0x100] = {\n",
					   i >> 8];

			for (of_unichar_t j = i; j < i + 0x100; j += 8)
				[file writeFormat:
				    @"\t%u, %u, %u, %u, %u, %u, %u, %u,\n",
				    _uppercaseTable[j],
				    _uppercaseTable[j + 1],
				    _uppercaseTable[j + 2],
				    _uppercaseTable[j + 3],
				    _uppercaseTable[j + 4],
				    _uppercaseTable[j + 5],
				    _uppercaseTable[j + 6],
				    _uppercaseTable[j + 7]];

			[file writeString: @"};\n\n"];

			objc_autoreleasePoolPop(pool2);
		}
	}

	/* Write lowercasePage%u */
	for (of_unichar_t i = 0; i < 0x110000; i += 0x100) {
		bool isEmpty = true;

		for (of_unichar_t j = i; j < i + 0x100; j++) {
			if (_lowercaseTable[j] != 0) {
				isEmpty = false;
				_lowercaseTableSize = i >> 8;
				_lowercaseTableUsed[_lowercaseTableSize] = 1;
				break;
			}
		}

		if (!isEmpty) {
			void *pool2 = objc_autoreleasePoolPush();

			[file writeFormat: @"static const of_unichar_t "
					   @"lowercasePage%u[0x100] = {\n",
					   i >> 8];

			for (of_unichar_t j = i; j < i + 0x100; j += 8)
				[file writeFormat:
				    @"\t%u, %u, %u, %u, %u, %u, %u, %u,\n",
				    _lowercaseTable[j],
				    _lowercaseTable[j + 1],
				    _lowercaseTable[j + 2],
				    _lowercaseTable[j + 3],
				    _lowercaseTable[j + 4],
				    _lowercaseTable[j + 5],
				    _lowercaseTable[j + 6],
				    _lowercaseTable[j + 7]];

			[file writeString: @"};\n\n"];

			objc_autoreleasePoolPop(pool2);
		}
	}

	/* Write titlecasePage%u if it does NOT match uppercasePage%u */
	for (of_unichar_t i = 0; i < 0x110000; i += 0x100) {
		bool isEmpty = true;

		for (of_unichar_t j = i; j < i + 0x100; j++) {
			if (_titlecaseTable[j] != 0) {
				isEmpty = !memcmp(_uppercaseTable + i,
				    _titlecaseTable + i,
				    256 * sizeof(of_unichar_t));
				_titlecaseTableSize = i >> 8;
				_titlecaseTableUsed[_titlecaseTableSize] =
				    (isEmpty ? 2 : 1);
				break;
			}
		}

		if (!isEmpty) {
			void *pool2 = objc_autoreleasePoolPush();

			[file writeFormat: @"static const of_unichar_t "
					   @"titlecasePage%u[0x100] = {\n",
					   i >> 8];

			for (of_unichar_t j = i; j < i + 0x100; j += 8)
				[file writeFormat:
				    @"\t%u, %u, %u, %u, %u, %u, %u, %u,\n",
				    _titlecaseTable[j],
				    _titlecaseTable[j + 1],
				    _titlecaseTable[j + 2],
				    _titlecaseTable[j + 3],
				    _titlecaseTable[j + 4],
				    _titlecaseTable[j + 5],
				    _titlecaseTable[j + 6],
				    _titlecaseTable[j + 7]];

			[file writeString: @"};\n\n"];

			objc_autoreleasePoolPop(pool2);
		}
	}

	/* Write casefoldingPage%u if it does NOT match lowercasePage%u */
	for (of_unichar_t i = 0; i < 0x110000; i += 0x100) {
		bool isEmpty = true;

		for (of_unichar_t j = i; j < i + 0x100; j++) {
			if (_casefoldingTable[j] != 0) {
				isEmpty = !memcmp(_lowercaseTable + i,
				    _casefoldingTable + i,
				    256 * sizeof(of_unichar_t));
				_casefoldingTableSize = i >> 8;
				_casefoldingTableUsed[_casefoldingTableSize] =
				    (isEmpty ? 2 : 1);
				break;
			}
		}

		if (!isEmpty) {
			void *pool2 = objc_autoreleasePoolPush();

			[file writeFormat: @"static const of_unichar_t "
					   @"casefoldingPage%u[0x100] = {\n",
					   i >> 8];

			for (of_unichar_t j = i; j < i + 0x100; j += 8)
				[file writeFormat:
				    @"\t%u, %u, %u, %u, %u, %u, %u, %u,\n",
				    _casefoldingTable[j],
				    _casefoldingTable[j + 1],
				    _casefoldingTable[j + 2],
				    _casefoldingTable[j + 3],
				    _casefoldingTable[j + 4],
				    _casefoldingTable[j + 5],
				    _casefoldingTable[j + 6],
				    _casefoldingTable[j + 7]];

			[file writeString: @"};\n\n"];

			objc_autoreleasePoolPop(pool2);
		}
	}

	/* Write decompositionPage%u */
	for (of_unichar_t i = 0; i < 0x110000; i += 0x100) {
		bool isEmpty = true;

		for (of_unichar_t j = i; j < i + 0x100; j++) {
			if (_decompositionTable[j] != nil) {
				isEmpty = false;
				_decompositionTableSize = i >> 8;
				_decompositionTableUsed[
				    _decompositionTableSize] = 1;
				break;
			}
		}

		if (!isEmpty) {
			void *pool2 = objc_autoreleasePoolPush();

			[file writeFormat: @"static const char *const "
					   @"decompositionPage%u[0x100] = {\n",
					   i >> 8];

			for (of_unichar_t j = i; j < i + 0x100; j++) {
				if ((j - i) % 2 == 0)
					[file writeString: @"\t"];
				else
					[file writeString: @" "];

				if (_decompositionTable[j] != nil) {
					const char *UTF8String =

			[file writeString: @"};\n\n"];

			objc_autoreleasePoolPop(pool2);
		}
	}

	/* Write decompCompatPage%u if it does NOT match decompositionPage%u */
	for (of_unichar_t i = 0; i < 0x110000; i += 0x100) {
		bool isEmpty = true;

		for (of_unichar_t j = i; j < i + 0x100; j++) {
			if (_decompositionCompatTable[j] != 0) {
				/*
				 * We bulk-compare pointers via memcmp here.
				 * This is safe, as we always set the same
				 * pointer in both tables if both are the same.
				 */
				isEmpty = !memcmp(_decompositionTable + i,

		if (!isEmpty) {
			void *pool2 = objc_autoreleasePoolPush();

			[file writeFormat: @"static const char *const "
					   @"decompCompatPage%u[0x100] = {\n",
					   i >> 8];

			for (of_unichar_t j = i; j < i + 0x100; j++) {
				if ((j - i) % 2 == 0)
					[file writeString: @"\t"];
				else
					[file writeString: @" "];

				if (_decompositionCompatTable[j] != nil) {
					const char *UTF8String =

	_lowercaseTableSize++;
	_titlecaseTableSize++;
	_casefoldingTableSize++;
	_decompositionTableSize++;
	_decompositionCompatTableSize++;

	/* Write of_unicode_uppercase_table */
	[file writeFormat: @"const of_unichar_t *const "
			   @"of_unicode_uppercase_table[0x%X] = {\n\t",
			   _uppercaseTableSize];

	for (of_unichar_t i = 0; i < _uppercaseTableSize; i++) {
		if (_uppercaseTableUsed[i])
			[file writeFormat: @"uppercasePage%u", i];
		else
			[file writeString: @"emptyPage"];

		if (i + 1 < _uppercaseTableSize) {
			if ((i + 1) % 4 == 0)
				[file writeString: @",\n\t"];
			else
				[file writeString: @", "];
		}
	}

	[file writeString: @"\n};\n\n"];

	/* Write of_unicode_lowercase_table */
	[file writeFormat: @"const of_unichar_t *const "
			   @"of_unicode_lowercase_table[0x%X] = {\n\t",
			   _lowercaseTableSize];

	for (of_unichar_t i = 0; i < _lowercaseTableSize; i++) {
		if (_lowercaseTableUsed[i])
			[file writeFormat: @"lowercasePage%u", i];
		else
			[file writeString: @"emptyPage"];

		if (i + 1 < _lowercaseTableSize) {
			if ((i + 1) % 4 == 0)
				[file writeString: @",\n\t"];
			else
				[file writeString: @", "];
		}
	}

	[file writeString: @"\n};\n\n"];

	/* Write of_unicode_titlecase_table */
	[file writeFormat: @"const of_unichar_t *const "
			   @"of_unicode_titlecase_table[0x%X] = {\n\t",
			   _titlecaseTableSize];

	for (of_unichar_t i = 0; i < _titlecaseTableSize; i++) {
		if (_titlecaseTableUsed[i] == 1)
			[file writeFormat: @"titlecasePage%u", i];
		else if (_titlecaseTableUsed[i] == 2)
			[file writeFormat: @"uppercasePage%u", i];
		else
			[file writeString: @"emptyPage"];

		if (i + 1 < _titlecaseTableSize) {
			if ((i + 1) % 4 == 0)
				[file writeString: @",\n\t"];
			else
				[file writeString: @", "];
		}
	}

	[file writeString: @"\n};\n\n"];

	/* Write of_unicode_casefolding_table */
	[file writeFormat: @"const of_unichar_t *const "
			   @"of_unicode_casefolding_table[0x%X] = {\n\t",
			   _casefoldingTableSize];

	for (of_unichar_t i = 0; i < _casefoldingTableSize; i++) {
		if (_casefoldingTableUsed[i] == 1)
			[file writeFormat: @"casefoldingPage%u", i];
		else if (_casefoldingTableUsed[i] == 2)
			[file writeFormat: @"lowercasePage%u", i];
		else
			[file writeString: @"emptyPage"];

	[file writeString: @"\n};\n\n"];

	/* Write of_unicode_decomposition_table */
	[file writeFormat: @"const char *const "
			   @"*of_unicode_decomposition_table[0x%X] = {\n\t",
			   _decompositionTableSize];

	for (of_unichar_t i = 0; i < _decompositionTableSize; i++) {
		if (_decompositionTableUsed[i])
			[file writeFormat: @"decompositionPage%u", i];
		else
			[file writeString: @"emptyDecompositionPage"];

		if (i + 1 < _decompositionTableSize) {
			if ((i + 1) % 3 == 0)

	/* Write of_unicode_decomposition_compat_table */
	[file writeFormat: @"const char *const "
			   @"*of_unicode_decomposition_compat_table[0x%X] = {"
			   @"\n\t",
			   _decompositionCompatTableSize];

	for (of_unichar_t i = 0; i < _decompositionCompatTableSize; i++) {
		if (_decompositionCompatTableUsed[i] == 1)
			[file writeFormat: @"decompCompatPage%u", i];
		else if (_decompositionCompatTableUsed[i] == 2)
			[file writeFormat: @"decompositionPage%u", i];
		else
			[file writeString: @"emptyDecompositionPage"];

	    _casefoldingTableSize, _decompositionTableSize,
	    _decompositionCompatTableSize];

	[file writeString:
	    @"#ifdef __cplusplus\n"
	    @"extern \"C\" {\n"
	    @"#endif\n"
	    @"extern const of_unichar_t *const _Nonnull\n"
	    @"    of_unicode_uppercase_table["
	    @"OF_UNICODE_UPPERCASE_TABLE_SIZE];\n"
	    @"extern const of_unichar_t *const _Nonnull\n"
	    @"    of_unicode_lowercase_table["
	    @"OF_UNICODE_LOWERCASE_TABLE_SIZE];\n"
	    @"extern const of_unichar_t *const _Nonnull\n"
	    @"    of_unicode_titlecase_table["
	    @"OF_UNICODE_TITLECASE_TABLE_SIZE];\n"
	    @"extern const of_unichar_t *const _Nonnull\n"
	    @"    of_unicode_casefolding_table["
	    @"OF_UNICODE_CASEFOLDING_TABLE_SIZE];\n"
	    @"extern const char *const _Nullable *const _Nonnull\n"
	    @"    of_unicode_decomposition_table["
	    @"OF_UNICODE_DECOMPOSITION_TABLE_SIZE];\n"
	    @"extern const char *const _Nullable *const _Nonnull\n"
	    @"    of_unicode_decomposition_compat_table["

	    ${USE_INCLUDES_ATOMIC}

SRCS += OFAdjacentArray.m		\
	OFAdjacentSubarray.m		\
	OFBitSetCharacterSet.m		\
	OFBytesValue.m			\
	OFCountedMapTableSet.m		\
	OFDimensionValue.m		\
	OFInvertedCharacterSet.m	\
	OFLHADecompressingStream.m	\
	OFMapTableDictionary.m		\
	OFMapTableSet.m			\
	OFMutableAdjacentArray.m	\
	OFMutableMapTableDictionary.m	\
	OFMutableMapTableSet.m		\
	OFMutableUTF8String.m		\
	OFNonretainedObjectValue.m	\
	OFPointValue.m			\
	OFPointerValue.m		\
	OFRangeCharacterSet.m		\
	OFRangeValue.m			\
	OFRectangleValue.m		\
	OFSandbox.m			\

	OFSubarray.m			\
	OFUTF8String.m			\
	${LIBBASES_M}			\
	${RUNTIME_AUTORELEASE_M}	\
	${RUNTIME_INSTANCE_M}
SRCS_FILES += OFFileURLHandler.m	\
	      OFINIFileSettings.m

}

- (id)objectAtIndexedSubscript: (size_t)idx
{
	return *((id *)[_array itemAtIndex: idx]);
}

- (void)getObjects: (id *)buffer inRange: (of_range_t)range
{
	id const *objects = _array.items;
	size_t count = _array.count;

	if (range.length > SIZE_MAX - range.location ||
	    range.location + range.length > count)
		@throw [OFOutOfRangeException exception];

	for (size_t i = 0; i < range.length; i++)
		buffer[i] = objects[range.location + i];
}

- (size_t)indexOfObject: (id)object
{
	id const *objects;
	size_t count;

	if (object == nil)
		return OF_NOT_FOUND;

	objects = _array.items;
	count = _array.count;

	for (size_t i = 0; i < count; i++)
		if ([objects[i] isEqual: object])
			return i;

	return OF_NOT_FOUND;
}

- (size_t)indexOfObjectIdenticalTo: (id)object
{
	id const *objects;
	size_t count;

	if (object == nil)
		return OF_NOT_FOUND;

	objects = _array.items;
	count = _array.count;

	for (size_t i = 0; i < count; i++)
		if (objects[i] == object)
			return i;

	return OF_NOT_FOUND;
}


- (OFArray *)objectsInRange: (of_range_t)range
{
	if (range.length > SIZE_MAX - range.location ||
	    range.location + range.length > _array.count)
		@throw [OFOutOfRangeException exception];

	if ([self isKindOfClass: [OFMutableArray class]])
		return [OFArray

		OF_HASH_ADD_HASH(hash, [objects[i] hash]);

	OF_HASH_FINALIZE(hash);

	return hash;
}

- (int)countByEnumeratingWithState: (of_fast_enumeration_state_t *)state
			   objects: (id *)objects
			     count: (int)count_
{
	size_t count = _array.count;

	if (count > INT_MAX)
		/*

	state->itemsPtr = (id *)_array.items;
	state->mutationsPtr = (unsigned long *)self;

	return (int)count;
}

#ifdef OF_HAVE_BLOCKS
- (void)enumerateObjectsUsingBlock: (of_array_enumeration_block_t)block
{
	id const *objects = _array.items;
	size_t count = _array.count;
	bool stop = false;

	for (size_t i = 0; i < count && !stop; i++)
		block(objects[i], i, &stop);

		if (![objects[i] isEqual: otherObjects[i]])
			return false;

	return true;
}

#ifdef OF_HAVE_BLOCKS
- (void)enumerateObjectsUsingBlock: (of_array_enumeration_block_t)block
{
	id const *objects = self.objects;
	bool stop = false;

	for (size_t i = 0; i < _range.length && !stop; i++)
		block(objects[i], i, &stop);
}
#endif
@end

	@try {
		_environment = [[OFMutableDictionary alloc] init];

		atexit(atexitHandler);

#if defined(OF_WINDOWS)
		if ([OFSystemInfo isWindowsNT]) {
			of_char16_t *env, *env0;
			env = env0 = GetEnvironmentStringsW();

			while (*env != 0) {
				void *pool = objc_autoreleasePoolPush();
				OFString *tmp, *key, *value;
				size_t length, pos;

				 */
				if ([tmp hasPrefix: @"="]) {
					objc_autoreleasePoolPop(pool);
					continue;
				}

				pos = [tmp rangeOfString: @"="].location;
				if (pos == OF_NOT_FOUND) {
					fprintf(stderr,
					    "Warning: Invalid environment "
					    "variable: %s\n", tmp.UTF8String);
					continue;
				}

				key = [tmp substringToIndex: pos];

				 */
				if ([tmp hasPrefix: @"="]) {
					objc_autoreleasePoolPop(pool);
					continue;
				}

				pos = [tmp rangeOfString: @"="].location;
				if (pos == OF_NOT_FOUND) {
					fprintf(stderr,
					    "Warning: Invalid environment "
					    "variable: %s\n", tmp.UTF8String);
					continue;
				}

				key = [tmp substringToIndex: pos];
				value = [tmp substringFromIndex: pos + 1];
				[_environment setObject: value forKey: key];

				objc_autoreleasePoolPop(pool);
			}

			FreeEnvironmentStringsA(env0);
		}
#elif defined(OF_AMIGAOS)
		void *pool = objc_autoreleasePoolPush();
		OFFileManager *fileManager = [OFFileManager defaultManager];
		OFArray *envContents =
		    [fileManager contentsOfDirectoryAtPath: @"ENV:"];
		const of_string_encoding_t encoding = [OFLocale encoding];
		struct Process *proc;
		struct LocalVar *firstLocalVar;

		for (OFString *name in envContents) {
			void *pool2 = objc_autoreleasePoolPush();
			OFString *path, *value;
			OFFile *file;

# ifndef OF_MACOS
		char **env = environ;
# else
		char **env = *_NSGetEnviron();
# endif

		if (env != NULL) {
			const of_string_encoding_t encoding =
			    [OFLocale encoding];

			for (; *env != NULL; env++) {
				void *pool = objc_autoreleasePoolPush();
				OFString *key, *value;
				char *sep;

				if ((sep = strchr(*env, '=')) == NULL) {

	[super dealloc];
}

- (void)of_setArgumentCount: (int *)argc andArgumentValues: (char ***)argv
{
	void *pool = objc_autoreleasePoolPush();
	OFMutableArray *arguments;
	of_string_encoding_t encoding;

	_argc = argc;
	_argv = argv;

	encoding = [OFLocale encoding];

#ifndef OF_NINTENDO_DS

}

#ifdef OF_HAVE_SANDBOX
- (void)of_activateSandbox: (OFSandbox *)sandbox
{
# ifdef OF_HAVE_PLEDGE
	void *pool = objc_autoreleasePoolPush();
	of_string_encoding_t encoding = [OFLocale encoding];
	OFArray OF_GENERIC(of_sandbox_unveil_path_t) *unveiledPaths;
	size_t unveiledPathsCount;
	const char *promises;

	if (_activeSandbox != nil && sandbox != _activeSandbox)
		@throw [OFInvalidArgumentException exception];

OF_ASSUME_NONNULL_BEGIN

/** @file */

@class OFString;






enum {

	OF_ARRAY_SKIP_EMPTY = 1,

	OF_ARRAY_SORT_DESCENDING = 2
};




#ifdef OF_HAVE_BLOCKS
/**
 * @brief A block for enumerating an OFArray.
 *
 * @param object The current object
 * @param index The index of the current object
 * @param stop A pointer to a variable that can be set to true to stop the
 *	       enumeration
 */
typedef void (^of_array_enumeration_block_t)(id object, size_t index,
    bool *stop);

/**
 * @brief A block for filtering an OFArray.
 *
 * @param object The object to inspect
 * @param index The index of the object to inspect
 * @return Whether the object should be in the filtered array
 */
typedef bool (^of_array_filter_block_t)(id object, size_t index);

/**
 * @brief A block for mapping objects to objects in an OFArray.
 *
 * @param object The object to map
 * @param index The index of the object to map
 * @return The object to map to
 */
typedef id _Nonnull (^of_array_map_block_t)(id object, size_t index);

/**
 * @brief A block for folding an OFArray.
 *
 * @param left The object to which the object has been folded so far
 * @param right The object that should be added to the left object
 * @return The left and right side folded into one object
 */
typedef id _Nullable (^of_array_fold_block_t)(id _Nullable left, id right);
#endif

/**
 * @class OFArray OFArray.h ObjFW/OFArray.h
 *
 * @brief An abstract class for storing objects in an array.
 *

/**
 * @brief Copies the objects at the specified range to the specified buffer.
 *
 * @param buffer The buffer to copy the objects to
 * @param range The range to copy
 */
- (void)getObjects: (ObjectType __unsafe_unretained _Nonnull *_Nonnull)buffer
	   inRange: (of_range_t)range;

/**
 * @brief Returns the index of the first object that is equivalent to the
 *	  specified object or `OF_NOT_FOUND` if it was not found.
 *
 * @param object The object whose index is returned
 * @return The index of the first object equivalent to the specified object
 *	   or `OF_NOT_FOUND` if it was not found
 */
- (size_t)indexOfObject: (ObjectType)object;

/**
 * @brief Returns the index of the first object that has the same address as the
 *	  specified object or `OF_NOT_FOUND` if it was not found.
 *
 * @param object The object whose index is returned
 * @return The index of the first object that has the same address as
 *	   the specified object or `OF_NOT_FOUND` if it was not found
 */
- (size_t)indexOfObjectIdenticalTo: (ObjectType)object;

/**
 * @brief Checks whether the array contains an object equal to the specified
 *	  object.
 *

/**
 * @brief Returns the objects in the specified range as a new OFArray.
 *
 * @param range The range for the subarray
 * @return The subarray as a new autoreleased OFArray
 */
- (OFArray OF_GENERIC(ObjectType) *)objectsInRange: (of_range_t)range;

/**
 * @brief Creates a string by joining all objects of the array.
 *
 * @param separator The string with which the objects should be joined
 * @return A string containing all objects joined by the separator
 */
- (OFString *)componentsJoinedByString: (OFString *)separator;

/**
 * @brief Creates a string by joining all objects of the array.
 *
 * @param separator The string with which the objects should be joined
 * @param options Options according to which the objects should be joined.@n
 *		  Possible values are:
 *		  Value                 | Description
 *		  ----------------------|----------------------
 * 		  `OF_ARRAY_SKIP_EMPTY` | Skip empty components
 * @return A string containing all objects joined by the separator
 */
- (OFString *)componentsJoinedByString: (OFString *)separator
			       options: (int)options;

/**
 * @brief Creates a string by calling the selector on all objects of the array
 *	  and joining the strings returned by calling the selector.
 *
 * @param separator The string with which the objects should be joined
 * @param selector The selector to perform on the objects
 * @return A string containing all objects joined by the separator
 */
- (OFString *)componentsJoinedByString: (OFString *)separator
			 usingSelector: (SEL)selector;

/**
 * @brief Creates a string by calling the selector on all objects of the array
 *	  and joining the strings returned by calling the selector.
 *
 * @param separator The string with which the objects should be joined
 * @param selector The selector to perform on the objects
 * @param options Options according to which the objects should be joined.@n
 *		  Possible values are:
 *		  Value                 | Description
 *		  ----------------------|----------------------
 * 		  `OF_ARRAY_SKIP_EMPTY` | Skip empty components
 * @return A string containing all objects joined by the separator
 */
- (OFString *)componentsJoinedByString: (OFString *)separator
			 usingSelector: (SEL)selector
			       options: (int)options;

/**
 * @brief Performs the specified selector on all objects in the array.
 *
 * @param selector The selector to perform on all objects in the array
 */
- (void)makeObjectsPerformSelector: (SEL)selector;

/**
 * @brief Returns a copy of the array sorted using the specified selector and
 *	  options.
 *
 * @param selector The selector to use to sort the array. It's signature
 *		   should be the same as that of -[compare:].
 * @param options The options to use when sorting the array.@n
 *		  Possible values are:
 *		  Value                      | Description
 *		  ---------------------------|-------------------------
 *		  `OF_ARRAY_SORT_DESCENDING` | Sort in descending order
 * @return A sorted copy of the array
 */
- (OFArray OF_GENERIC(ObjectType) *)sortedArrayUsingSelector: (SEL)selector

						     options: (int)options;

#ifdef OF_HAVE_BLOCKS
/**
 * @brief Returns a copy of the array sorted using the specified selector and
 *	  options.
 *
 * @param comparator The comparator to use to sort the array
 * @param options The options to use when sorting the array.@n
 *		  Possible values are:
 *		  Value                      | Description
 *		  ---------------------------|-------------------------
 *		  `OF_ARRAY_SORT_DESCENDING` | Sort in descending order
 * @return A sorted copy of the array
 */
- (OFArray OF_GENERIC(ObjectType) *)
    sortedArrayUsingComparator: (of_comparator_t)comparator
		       options: (int)options;
#endif

/**
 * @brief Creates a new array with the specified object added.
 *
 * @param object The object to add
 * @return A new array with the specified object added

#ifdef OF_HAVE_BLOCKS
/**
 * @brief Executes a block for each object.
 *
 * @param block The block to execute for each object
 */
- (void)enumerateObjectsUsingBlock: (of_array_enumeration_block_t)block;

/**
 * @brief Creates a new array, mapping each object using the specified block.
 *
 * @param block A block which maps an object for each object
 * @return A new, autoreleased OFArray
 */
- (OFArray *)mappedArrayUsingBlock: (of_array_map_block_t)block;

/**
 * @brief Creates a new array, only containing the objects for which the block
 *	  returns true.
 *
 * @param block A block which determines if the object should be in the new
 *		array
 * @return A new, autoreleased OFArray
 */
- (OFArray OF_GENERIC(ObjectType) *)filteredArrayUsingBlock:
    (of_array_filter_block_t)block;

/**
 * @brief Folds the array to a single object using the specified block.
 *
 * If the array is empty, it will return `nil`.
 *
 * If there is only one object in the array, that object will be returned and
 * the block will not be invoked.
 *
 * If there are at least two objects, the block is invoked for each object
 * except the first, where left is always to what the array has already been
 * folded and right what should be added to left.
 *
 * @param block A block which folds two objects into one, which is called for
 *		all objects except the first
 * @return The array folded to a single object
 */
- (nullable id)foldUsingBlock: (of_array_fold_block_t)block;
#endif
#if !defined(OF_HAVE_GENERICS) && !defined(DOXYGEN)
# undef ObjectType
#endif
@end

OF_ASSUME_NONNULL_END

}

- (size_t)count
{
	OF_UNRECOGNIZED_SELECTOR
}

- (void)getObjects: (id *)buffer inRange: (of_range_t)range
{
	for (size_t i = 0; i < range.length; i++)
		buffer[i] = [self objectAtIndex: range.location + i];
}

- (id const *)objects
{
	size_t count = self.count;
	id *buffer = of_alloc(count, sizeof(id));

	@try {
		[self getObjects: buffer inRange: of_range(0, count)];

		return [[OFData dataWithItemsNoCopy: buffer
					      count: count
					   itemSize: sizeof(id)
				       freeWhenDone: true] items];
	} @catch (id e) {
		free(buffer);

}

- (size_t)indexOfObject: (id)object
{
	size_t i = 0;

	if (object == nil)
		return OF_NOT_FOUND;

	for (id objectIter in self) {
		if ([objectIter isEqual: object])
			return i;

		i++;
	}

	return OF_NOT_FOUND;
}

- (size_t)indexOfObjectIdenticalTo: (id)object
{
	size_t i = 0;

	if (object == nil)
		return OF_NOT_FOUND;

	for (id objectIter in self) {
		if (objectIter == object)
			return i;

		i++;
	}

	return OF_NOT_FOUND;
}

- (bool)containsObject: (id)object
{
	return ([self indexOfObject: object] != OF_NOT_FOUND);
}

- (bool)containsObjectIdenticalTo: (id)object
{
	return ([self indexOfObjectIdenticalTo: object] != OF_NOT_FOUND);
}

- (id)firstObject
{
	if (self.count > 0)
		return [self objectAtIndex: 0];

	return nil;
}

- (id)lastObject
{
	size_t count = self.count;

	if (count > 0)
		return [self objectAtIndex: count - 1];

	return nil;
}

- (OFArray *)objectsInRange: (of_range_t)range
{
	OFArray *ret;
	id *buffer;

	if (range.length > SIZE_MAX - range.location ||
	    range.location + range.length < self.count)
		@throw [OFOutOfRangeException exception];

{
	return [self componentsJoinedByString: separator
				usingSelector: @selector(description)
				      options: 0];
}

- (OFString *)componentsJoinedByString: (OFString *)separator
			       options: (int)options
{
	return [self componentsJoinedByString: separator
				usingSelector: @selector(description)
				      options: options];
}

- (OFString *)componentsJoinedByString: (OFString *)separator
			 usingSelector: (SEL)selector
{
	return [self componentsJoinedByString: separator
				usingSelector: selector
				      options: 0];
}

- (OFString *)componentsJoinedByString: (OFString *)separator
			 usingSelector: (SEL)selector
			       options: (int)options
{
	OFMutableString *ret;

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

	if (self.count == 0)

			@throw [OFInvalidArgumentException exception];

		return component;
	}

	ret = [OFMutableString string];

	if (options & OF_ARRAY_SKIP_EMPTY) {
		for (id object in self) {
			void *pool = objc_autoreleasePoolPush();
			OFString *component =
			    [object performSelector: selector];

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

	OFMutableArray *new = [[self mutableCopy] autorelease];
	[new sort];
	[new makeImmutable];
	return new;
}

- (OFArray *)sortedArrayUsingSelector: (SEL)selector
			      options: (int)options
{
	OFMutableArray *new = [[self mutableCopy] autorelease];
	[new sortUsingSelector: selector options: options];
	[new makeImmutable];
	return new;
}

#ifdef OF_HAVE_BLOCKS
- (OFArray *)sortedArrayUsingComparator: (of_comparator_t)comparator
				options: (int)options
{
	OFMutableArray *new = [[self mutableCopy] autorelease];
	[new sortUsingComparator: comparator options: options];
	[new makeImmutable];
	return new;
}
#endif

- (OFArray *)reversedArray
{
	OFMutableArray *new = [[self mutableCopy] autorelease];
	[new reverse];
	[new makeImmutable];
	return new;
}

- (int)countByEnumeratingWithState: (of_fast_enumeration_state_t *)state
			   objects: (id *)objects
			     count: (int)count
{
	of_range_t range = of_range(state->state, count);

	if (range.length > SIZE_MAX - range.location)
		@throw [OFOutOfRangeException exception];

	if (range.location + range.length > self.count)
		range.length = self.count - range.location;

- (OFEnumerator *)objectEnumerator
{
	return [[[OFArrayEnumerator alloc] initWithArray: self
					    mutationsPtr: NULL] autorelease];
}

#ifdef OF_HAVE_BLOCKS
- (void)enumerateObjectsUsingBlock: (of_array_enumeration_block_t)block
{
	size_t i = 0;
	bool stop = false;

	for (id object in self) {
		block(object, i++, &stop);

	OFMutableArray *ret = [[self mutableCopy] autorelease];
	[ret removeObject: object];
	[ret makeImmutable];
	return ret;
}

#ifdef OF_HAVE_BLOCKS
- (OFArray *)mappedArrayUsingBlock: (of_array_map_block_t)block
{
	OFArray *ret;
	size_t count = self.count;
	id *tmp = of_alloc(count, sizeof(id));

	@try {
		[self enumerateObjectsUsingBlock: ^ (id object, size_t idx,
		    bool *stop) {
			tmp[idx] = block(object, idx);
		}];

		ret = [OFArray arrayWithObjects: tmp count: count];
	} @finally {
		free(tmp);
	}

	return ret;
}

- (OFArray *)filteredArrayUsingBlock: (of_array_filter_block_t)block
{
	OFArray *ret;
	size_t count = self.count;
	id *tmp = of_alloc(count, sizeof(id));

	@try {
		__block size_t i = 0;

	} @finally {
		free(tmp);
	}

	return ret;
}

- (id)foldUsingBlock: (of_array_fold_block_t)block
{
	size_t count = self.count;
	__block id current;

	if (count == 0)
		return nil;
	if (count == 1)

- (instancetype)initWithCharactersInString: (OFString *)string
{
	self = [super init];

	@try {
		void *pool = objc_autoreleasePoolPush();
		const of_unichar_t *characters = string.characters;
		size_t length = string.length;

		for (size_t i = 0; i < length; i++) {
			of_unichar_t c = characters[i];

			if (c / CHAR_BIT >= _size) {
				size_t newSize;

				if (UINT32_MAX - c < 1)
					@throw [OFOutOfRangeException
					    exception];

- (void)dealloc
{
	free(_bitset);

	[super dealloc];
}

- (bool)characterIsMember: (of_unichar_t)character
{
	if (character / CHAR_BIT >= _size)
		return false;

	return of_bitset_isset(_bitset, character);
}
@end

/**
 * @brief Creates a new character set containing the characters in the specified
 *	  range.
 *
 * @param range The range of characters for the character set
 * @return A new OFCharacterSet
 */
+ (instancetype)characterSetWithRange: (of_range_t)range;

/**
 * @brief A character set containing all Unicode characters in the category
 *	  `Zs` plus CHARACTER TABULATION (U+0009).
 */
+ (OFCharacterSet *)whitespaceCharacterSet;

/**
 * @brief Initializes an already allocated character set with the characters in
 *	  the specified range.
 *
 * @param range The range of characters for the character set
 * @return An initialized OFCharacterSet
 */
- (instancetype)initWithRange: (of_range_t)range;

/**
 * @brief Returns whether the specified character is a member of the character
 *	  set.
 *
 * @param character The character that is checked for being a member of the
 *		    character set
 * @return Whether the specified character is a member of the character set.
 */
- (bool)characterIsMember: (of_unichar_t)character;
@end

OF_ASSUME_NONNULL_END

- (instancetype)initWithCharactersInString: (OFString *)characters
{
	return (id)[[OFBitSetCharacterSet alloc]
	    initWithCharactersInString: characters];
}

- (instancetype)initWithRange: (of_range_t)range
{
	return (id)[[OFRangeCharacterSet alloc] initWithRange: range];
}

- (instancetype)retain
{
	return self;

+ (instancetype)characterSetWithCharactersInString: (OFString *)characters
{
	return [[[self alloc] initWithCharactersInString: characters]
	    autorelease];
}

+ (instancetype)characterSetWithRange: (of_range_t)range
{
	return [[[self alloc] initWithRange: range] autorelease];
}

+ (OFCharacterSet *)whitespaceCharacterSet
{
	static of_once_t onceControl = OF_ONCE_INIT;

}

- (instancetype)initWithCharactersInString: (OFString *)characters
{
	OF_INVALID_INIT_METHOD
}

- (instancetype)initWithRange: (of_range_t)range
{
	OF_INVALID_INIT_METHOD
}

- (bool)characterIsMember: (of_unichar_t)character
{
	OF_UNRECOGNIZED_SELECTOR
}

- (OFCharacterSet *)invertedSet
{
	return [[[OFInvertedCharacterSet alloc]

}

- (unsigned int)retainCount
{
	return OF_RETAIN_COUNT_MAX;
}

- (bool)characterIsMember: (of_unichar_t)character
{
	switch (character) {
	case 0x0009:
	case 0x0020:
	case 0x00A0:
	case 0x1680:
	case 0x2000:

 *
 * @note Waiting might have been interrupted by a signal. It is thus recommended
 *	 to check the condition again after @ref waitForTimeInterval: returned!
 *
 * @param timeInterval The time interval until the timeout is reached
 * @return Whether the condition has been signaled
 */
- (bool)waitForTimeInterval: (of_time_interval_t)timeInterval;

#ifdef OF_AMIGAOS
/**
 * @brief Blocks the current thread until another thread calls @ref signal,
 *	  @ref broadcast, the timeout is reached or an Exec Signal is received.
 *
 * @note This is only available on AmigaOS!
 *
 * @param timeInterval The time interval until the timeout is reached
 * @param signalMask A pointer to a signal mask of Exec Signals to receive.
 *		     This is modified and set to the mask of signals received.
 * @return Whether the condition has been signaled or a signal received
 */
- (bool)waitForTimeInterval: (of_time_interval_t)timeInterval
	       orExecSignal: (ULONG *)signalMask;
#endif

/**
 * @brief Blocks the current thread until another thread calls @ref signal,
 *	  @ref broadcast or the timeout is reached.
 *

	if (error != 0)
		@throw [OFConditionWaitFailedException
		    exceptionWithCondition: self
				     errNo: error];
}
#endif

- (bool)waitForTimeInterval: (of_time_interval_t)timeInterval
{
	int error = of_condition_timed_wait(&_condition, &_mutex, timeInterval);

	if (error == ETIMEDOUT)
		return false;

	if (error != 0)
		@throw [OFConditionWaitFailedException
		    exceptionWithCondition: self
				     errNo: error];

	return true;
}

#ifdef OF_AMIGAOS
- (bool)waitForTimeInterval: (of_time_interval_t)timeInterval
	       orExecSignal: (ULONG *)signalMask
{
	int error = of_condition_timed_wait_or_signal(&_condition, &_mutex,
	    timeInterval, signalMask);

	if (error == ETIMEDOUT)
		return false;

- (id)mutableCopy
{
	[self finishInitialization];
	return [self mutableCopy];
}

/* From protocol OFComparing,  but overridden in OFString */
- (of_comparison_result_t)compare: (OFString *)string
{
	[self finishInitialization];
	return [self compare: string];
}

/* From OFObject, but reimplemented in OFString */
- (bool)isEqual: (id)object

{
	[self finishInitialization];
	return self.UTF8String;
}

- (size_t)getCString: (char *)cString_
	   maxLength: (size_t)maxLength
	    encoding: (of_string_encoding_t)encoding
{
	[self finishInitialization];
	return [self getCString: cString_
		      maxLength: maxLength
		       encoding: encoding];
}

- (const char *)cStringWithEncoding: (of_string_encoding_t)encoding
{
	[self finishInitialization];
	return [self cStringWithEncoding: encoding];
}

- (size_t)length
{
	[self finishInitialization];
	return self.length;
}

- (size_t)UTF8StringLength
{
	[self finishInitialization];
	return self.UTF8StringLength;
}

- (size_t)cStringLengthWithEncoding: (of_string_encoding_t)encoding
{
	[self finishInitialization];
	return [self cStringLengthWithEncoding: encoding];
}

- (of_comparison_result_t)caseInsensitiveCompare: (OFString *)string
{
	[self finishInitialization];
	return [self caseInsensitiveCompare: string];
}

- (of_unichar_t)characterAtIndex: (size_t)idx
{
	[self finishInitialization];
	return [self characterAtIndex: idx];
}

- (void)getCharacters: (of_unichar_t *)buffer inRange: (of_range_t)range
{
	[self finishInitialization];
	[self getCharacters: buffer inRange: range];
}

- (of_range_t)rangeOfString: (OFString *)string
{
	[self finishInitialization];
	return [self rangeOfString: string];
}

- (of_range_t)rangeOfString: (OFString *)string options: (int)options

{
	[self finishInitialization];
	return [self rangeOfString: string options: options];
}

- (of_range_t)rangeOfString: (OFString *)string
		    options: (int)options
		      range: (of_range_t)range
{
	[self finishInitialization];
	return [self rangeOfString: string options: options range: range];
}

- (size_t)indexOfCharacterFromSet: (OFCharacterSet *)characterSet
{
	[self finishInitialization];
	return [self indexOfCharacterFromSet: characterSet];
}

- (size_t)indexOfCharacterFromSet: (OFCharacterSet *)characterSet
			  options: (int)options
{
	[self finishInitialization];
	return [self indexOfCharacterFromSet: characterSet options: options];
}

- (size_t)indexOfCharacterFromSet: (OFCharacterSet *)characterSet
			  options: (int)options
			    range: (of_range_t)range
{
	[self finishInitialization];
	return [self indexOfCharacterFromSet: characterSet
				     options: options
				       range: range];
}

- (OFString *)substringToIndex: (size_t)idx
{
	[self finishInitialization];
	return [self substringToIndex: idx];
}

- (OFString *)substringWithRange: (of_range_t)range
{
	[self finishInitialization];
	return [self substringWithRange: range];
}

- (OFString *)stringByAppendingString: (OFString *)string
{

	return [self stringByReplacingOccurrencesOfString: string
					       withString: replacement];
}

- (OFString *)stringByReplacingOccurrencesOfString: (OFString *)string
					withString: (OFString *)replacement
					   options: (int)options
					     range: (of_range_t)range
{
	[self finishInitialization];
	return [self stringByReplacingOccurrencesOfString: string
					       withString: replacement
						  options: options
						    range: range];
}

- (OFArray *)componentsSeparatedByString: (OFString *)delimiter
{
	[self finishInitialization];
	return [self componentsSeparatedByString: delimiter];
}

- (OFArray *)componentsSeparatedByString: (OFString *)delimiter
				 options: (int)options
{
	[self finishInitialization];
	return [self componentsSeparatedByString: delimiter options: options];
}

- (OFArray *)
    componentsSeparatedByCharactersInSet: (OFCharacterSet *)characterSet
{
	[self finishInitialization];
	return [self componentsSeparatedByCharactersInSet: characterSet];
}

- (OFArray *)
    componentsSeparatedByCharactersInSet: (OFCharacterSet *)characterSet
				 options: (int)options
{
	[self finishInitialization];
	return [self componentsSeparatedByCharactersInSet: characterSet
						  options: options];
}

- (OFArray *)pathComponents

- (double)doubleValue
{
	[self finishInitialization];
	return self.doubleValue;
}

- (const of_unichar_t *)characters
{
	[self finishInitialization];
	return self.characters;
}

- (const of_char16_t *)UTF16String
{
	[self finishInitialization];
	return self.UTF16String;
}

- (const of_char16_t *)UTF16StringWithByteOrder: (of_byte_order_t)byteOrder
{
	[self finishInitialization];
	return [self UTF16StringWithByteOrder: byteOrder];
}

- (size_t)UTF16StringLength
{
	[self finishInitialization];
	return self.UTF16StringLength;
}

- (const of_char32_t *)UTF32String
{
	[self finishInitialization];
	return self.UTF32String;
}

- (const of_char32_t *)UTF32StringWithByteOrder: (of_byte_order_t)byteOrder
{
	[self finishInitialization];
	return [self UTF32StringWithByteOrder: byteOrder];
}

- (OFData *)dataWithEncoding: (of_string_encoding_t)encoding
{
	[self finishInitialization];
	return [self dataWithEncoding: encoding];
}

#ifdef OF_HAVE_UNICODE_TABLES
- (OFString *)decomposedStringWithCanonicalMapping

#ifdef OF_HAVE_FILES
- (void)writeToFile: (OFString *)path
{
	[self finishInitialization];
	[self writeToFile: path];
}

- (void)writeToFile: (OFString *)path encoding: (of_string_encoding_t)encoding
{
	[self finishInitialization];
	[self writeToFile: path encoding: encoding];
}
#endif

- (void)writeToURL: (OFURL *)URL
{
	[self finishInitialization];
	[self writeToURL: URL];
}

- (void)writeToURL: (OFURL *)URL encoding: (of_string_encoding_t)encoding
{
	[self finishInitialization];
	[self writeToURL: URL encoding: encoding];
}

#ifdef OF_HAVE_BLOCKS
- (void)enumerateLinesUsingBlock: (of_string_line_enumeration_block_t)block
{
	[self finishInitialization];
	[self enumerateLinesUsingBlock: block];
}
#endif
@end

 */
@property (copy, nonatomic) OFArray OF_GENERIC(OFString *) *searchDomains;

/**
 * @brief The timeout, in seconds, after which the next name server should be
 *	  tried.
 */
@property (nonatomic) of_time_interval_t timeout;

/**
 * @brief The number of attempts before giving up to resolve a host.
 *
 * Trying all name servers once is considered a single attempt.
 */
@property (nonatomic) unsigned int maxAttempts;

@property (nonatomic) bool usesTCP;

/**
 * @brief The interval in seconds in which the config should be reloaded.
 *
 * Setting this to 0 disables config reloading.
 */
@property (nonatomic) of_time_interval_t configReloadInterval;

/**
 * @brief Creates a new, autoreleased OFDNSResolver.
 */
+ (instancetype)resolver;

/**

- (void)setSearchDomains: (OFArray *)searchDomains
{
	OFArray *old = _settings->_searchDomains;
	_settings->_searchDomains = [searchDomains copy];
	[old release];
}

- (of_time_interval_t)timeout
{
	return _settings->_timeout;
}

- (void)setTimeout: (of_time_interval_t)timeout
{
	_settings->_timeout = timeout;
}

- (unsigned int)maxAttempts
{
	return _settings->_maxAttempts;

}

- (void)setUsesTCP: (bool)usesTCP
{
	_settings->_usesTCP = usesTCP;
}

- (of_time_interval_t)configReloadInterval
{
	return _settings->_configReloadInterval;
}

- (void)setConfigReloadInterval: (of_time_interval_t)configReloadInterval
{
	_settings->_configReloadInterval = configReloadInterval;
}

- (void)of_sendQueryForContext: (OFDNSResolverContext *)context
		   runLoopMode: (of_run_loop_mode_t)runLoopMode
{

{
@public
	OFDictionary OF_GENERIC(OFString *, OFArray OF_GENERIC(OFString *) *)
	    *_staticHosts;
	OFArray OF_GENERIC(OFString *) *_nameServers;
	OFString *_Nullable _localDomain;
	OFArray OF_GENERIC(OFString *) *_searchDomains;
	of_time_interval_t _timeout;
	unsigned int _maxAttempts, _minNumberOfDotsInAbsoluteName;
	bool _usesTCP;
	of_time_interval_t _configReloadInterval;
@protected
	OFDate *_lastConfigReload;
}

- (void)reload;
@end

OF_ASSUME_NONNULL_END

		 * We can't use that as local domain.
		 */
		return nil;
	} @catch (OFInvalidFormatException *e) {
		/* Not an IP address -> we can use it if it contains a dot. */
		size_t pos = [hostname rangeOfString: @"."].location;

		if (pos == OF_NOT_FOUND)
			return nil;

		return [hostname substringFromIndex: pos + 1];
	}
}
#endif

static OFArray OF_GENERIC(OFString *) *
parseNetStackArray(OFString *string)
{
	if (![string hasPrefix: @"["] || ![string hasSuffix: @"]"])
		return nil;

	string = [string substringWithRange: of_range(1, string.length - 2)];

	return [string componentsSeparatedByString: @"|"];
}
#endif

@implementation OFDNSResolverSettings
- (void)dealloc

	while ((line = [file readLine]) != nil) {
		OFArray *components, *hosts;
		size_t pos;
		OFString *address;

		pos = [line rangeOfString: @"#"].location;
		if (pos != OF_NOT_FOUND)
			line = [line substringToIndex: pos];

		components = [line
		    componentsSeparatedByCharactersInSet: whitespaceCharacterSet
						 options: OF_STRING_SKIP_EMPTY];

		if (components.count < 2)
			continue;

		address = components.firstObject;
		hosts = [components objectsInRange:
		    of_range(1, components.count - 1)];

		for (OFString *host in hosts) {
			OFMutableArray *addresses =
			    [staticHosts objectForKey: host];

			if (addresses == nil) {
				addresses = [OFMutableArray array];

	while ((line = [file readLine]) != nil) {
		void *pool2 = objc_autoreleasePoolPush();
		size_t pos;
		OFArray *components, *arguments;
		OFString *option;

		pos = [line indexOfCharacterFromSet: commentCharacters];
		if (pos != OF_NOT_FOUND)
			line = [line substringToIndex: pos];

		components = [line
		    componentsSeparatedByCharactersInSet: whitespaceCharacterSet
						 options: OF_STRING_SKIP_EMPTY];

		if (components.count < 2) {
			objc_autoreleasePoolPop(pool2);
			continue;
		}

		option = components.firstObject;
		arguments = [components objectsInRange:
		    of_range(1, components.count - 1)];

		if ([option isEqual: @"nameserver"]) {
			if (arguments.count != 1) {
				objc_autoreleasePoolPop(pool2);
				continue;
			}

}
# endif
#endif

#ifdef OF_WINDOWS
- (void)obtainWindowsSystemConfig
{
	of_string_encoding_t encoding = [OFLocale encoding];
	OFMutableArray *nameServers;
	/*
	 * We need more space than FIXED_INFO in case we have more than one
	 * name server, but we also want it to be properly aligned, meaning we
	 * can't just get a buffer of bytes. Thus, we just get space for 8.
	 */
	FIXED_INFO fixedInfo[8];

		OFArray *hosts;

		if (components.count < 2)
			continue;

		address = components.firstObject;
		hosts = [components objectsInRange:
		    of_range(1, components.count - 1)];

		for (OFString *host in hosts) {
			OFMutableArray *addresses =
			    [staticHosts objectForKey: host];

			if (addresses == nil) {
				addresses = [OFMutableArray array];

}
#endif

#ifdef OF_AMIGAOS4
- (void)obtainAmigaOS4SystemConfig
{
	OFMutableArray *nameServers = [OFMutableArray array];
	of_string_encoding_t encoding = [OFLocale encoding];
	struct List *nameServerList = ObtainDomainNameServerList();
	char buffer[MAXHOSTNAMELEN];

	if (nameServerList == NULL)
		@throw [OFOutOfMemoryException exception];

	@try {

		cString[i * 2] = (high > 9 ? high - 10 + 'a' : high + '0');
		cString[i * 2 + 1] = (low > 9 ? low - 10 + 'a' : low + '0');
	}

	objc_autoreleasePoolPop(pool);

	return [OFString stringWithCString: cString
				  encoding: OF_STRING_ENCODING_ASCII
				    length: digestSize * 2];
}

- (OFString *)stringByMD5Hashing
{
	return stringByHashing([OFMD5Hash class], self);
}

 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#import "OFObject.h"
#import "OFSerialization.h"
#import "OFMessagePackRepresentation.h"



OF_ASSUME_NONNULL_BEGIN

@class OFString;
@class OFURL;






enum {

	OF_DATA_SEARCH_BACKWARDS = 1
};


/**
 * @class OFData OFData.h ObjFW/OFData.h
 *
 * @brief A class for storing arbitrary data in an array.
 *
 * For security reasons, serialization and deserialization is only implemented

/**
 * @brief Compares the data to other data.
 *
 * @param data Data to compare the data to
 * @return The result of the comparison
 */
- (of_comparison_result_t)compare: (OFData *)data;

/**
 * @brief Returns a specific item of the OFData.
 *
 * @param index The number of the item to return
 * @return The specified item of the OFData
 */
- (const void *)itemAtIndex: (size_t)index OF_RETURNS_INNER_POINTER;

/**
 * @brief Returns the data in the specified range as a new OFData.
 *
 * @param range The range of the data for the new OFData
 * @return The data in the specified range as a new OFData
 */
- (OFData *)subdataWithRange: (of_range_t)range;

/**
 * @brief Returns the range of the data.
 *
 * @param data The data to search for
 * @param options Options modifying search behavior.@n
 *		  Possible values are:
 *		  Value                      | Description
 *		  ---------------------------|-----------------------------
 *		  `OF_DATA_SEARCH_BACKWARDS` | Search backwards in the data
 * @param range The range in which to search
 * @return The range of the first occurrence of the data or a range with
 *	   `OF_NOT_FOUND` as start position if it was not found.
 */
- (of_range_t)rangeOfData: (OFData *)data
		  options: (int)options
		    range: (of_range_t)range;

#ifdef OF_HAVE_FILES
/**
 * @brief Writes the OFData into the specified file.
 *
 * @param path The path of the file to write to
 */

- (instancetype)initWithStringRepresentation: (OFString *)string
{
	self = [super init];

	@try {
		size_t count = [string
		    cStringLengthWithEncoding: OF_STRING_ENCODING_ASCII];
		const char *cString;

		if (count % 2 != 0)
			@throw [OFInvalidFormatException exception];

		count /= 2;

		_items = of_alloc(count, 1);
		_count = count;
		_itemSize = 1;
		_freeWhenDone = true;

		cString = [string
		    cStringWithEncoding: OF_STRING_ENCODING_ASCII];

		for (size_t i = 0; i < count; i++) {
			uint8_t c1 = cString[2 * i];
			uint8_t c2 = cString[2 * i + 1];
			uint8_t byte;

			if (c1 >= '0' && c1 <= '9')

		self = [OFMutableData alloc];
	}

	self = [(OFMutableData *)self initWithCapacity: string.length / 3];

	@try {
		if (!of_base64_decode((OFMutableData *)self,
		    [string cStringWithEncoding: OF_STRING_ENCODING_ASCII],
		    [string cStringLengthWithEncoding:
		    OF_STRING_ENCODING_ASCII]))
			@throw [OFInvalidFormatException exception];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	if (!mutable)

		return false;
	if (memcmp(data.items, _items, _count * _itemSize) != 0)
		return false;

	return true;
}

- (of_comparison_result_t)compare: (OFData *)data
{
	int comparison;
	size_t count, minCount;

	if (![data isKindOfClass: [OFData class]])
		@throw [OFInvalidArgumentException exception];

	if (data.itemSize != _itemSize)
		@throw [OFInvalidArgumentException exception];

	count = data.count;
	minCount = (_count > count ? count : _count);

	if ((comparison = memcmp(_items, data.items,
	    minCount * _itemSize)) == 0) {
		if (_count > count)
			return OF_ORDERED_DESCENDING;
		if (_count < count)
			return OF_ORDERED_ASCENDING;

		return OF_ORDERED_SAME;
	}

	if (comparison > 0)
		return OF_ORDERED_DESCENDING;
	else
		return OF_ORDERED_ASCENDING;
}

- (unsigned long)hash
{
	uint32_t hash;

	OF_HASH_INIT(hash);

	for (size_t i = 0; i < _count * _itemSize; i++)
		OF_HASH_ADD(hash, ((uint8_t *)_items)[i]);

	OF_HASH_FINALIZE(hash);

	return hash;
}

- (OFData *)subdataWithRange: (of_range_t)range
{
	OFData *ret;

	if (range.length > SIZE_MAX - range.location ||
	    range.location + range.length > _count)
		@throw [OFOutOfRangeException exception];

}

- (OFString *)stringByBase64Encoding
{
	return of_base64_encode(_items, _count * _itemSize);
}

- (of_range_t)rangeOfData: (OFData *)data
		  options: (int)options
		    range: (of_range_t)range
{
	const char *search;
	size_t searchLength;

	if (range.length > SIZE_MAX - range.location ||
	    range.location + range.length > _count)
		@throw [OFOutOfRangeException exception];

	if (data == nil || data.itemSize != _itemSize)
		@throw [OFInvalidArgumentException exception];

	if ((searchLength = data.count) == 0)
		return of_range(0, 0);

	if (searchLength > range.length)
		return of_range(OF_NOT_FOUND, 0);

	search = data.items;

	if (options & OF_DATA_SEARCH_BACKWARDS) {
		for (size_t i = range.length - searchLength;; i--) {
			if (memcmp(_items + i * _itemSize, search,
			    searchLength * _itemSize) == 0)
				return of_range(i, searchLength);

			/* No match and we're at the last item */
			if (i == 0)
				break;
		}
	} else {
		for (size_t i = range.location;
		    i <= range.length - searchLength; i++)
			if (memcmp(_items + i * _itemSize, search,
			    searchLength * _itemSize) == 0)
				return of_range(i, searchLength);
	}

	return of_range(OF_NOT_FOUND, 0);
}

#ifdef OF_HAVE_FILES
- (void)writeToFile: (OFString *)path
{
	OFFile *file = [[OFFile alloc] initWithPath: path mode: @"w"];
	@try {

 */
#ifndef OF_DATE_M
OF_SUBCLASSING_RESTRICTED
#endif
@interface OFDate: OFObject <OFCopying, OFComparing, OFSerialization,
    OFMessagePackRepresentation>
{
	of_time_interval_t _seconds;
}

#ifdef OF_HAVE_CLASS_PROPERTIES
@property (class, readonly, nonatomic) OFDate *distantFuture;
@property (class, readonly, nonatomic) OFDate *distantPast;
#endif

 * @brief The day of the year of the date in local time.
 */
@property (readonly, nonatomic) unsigned short localDayOfYear;

/**
 * @brief The seconds since 1970-01-01T00:00:00Z.
 */
@property (readonly, nonatomic) of_time_interval_t timeIntervalSince1970;

/**
 * @brief The seconds the date is in the future.
 */
@property (readonly, nonatomic) of_time_interval_t timeIntervalSinceNow;

/**
 * @brief Creates a new OFDate with the current date and time.
 *
 * @return A new, autoreleased OFDate with the current date and time
 */
+ (instancetype)date;

/**
 * @brief Creates a new OFDate with the specified date and time since
 *	  1970-01-01T00:00:00Z.
 *
 * @param seconds The seconds since 1970-01-01T00:00:00Z
 * @return A new, autoreleased OFDate with the specified date and time
 */
+ (instancetype)dateWithTimeIntervalSince1970: (of_time_interval_t)seconds;

/**
 * @brief Creates a new OFDate with the specified date and time since now.
 *
 * @param seconds The seconds since now
 * @return A new, autoreleased OFDate with the specified date and time
 */
+ (instancetype)dateWithTimeIntervalSinceNow: (of_time_interval_t)seconds;

/**
 * @brief Creates a new OFDate with the specified string in the specified
 *	  format.
 *
 * The time zone used is UTC. See @ref dateWithLocalDateString:format: if you
 * want local time.

/**
 * @brief Initializes an already allocated OFDate with the specified date and
 *	  time since 1970-01-01T00:00:00Z.
 *
 * @param seconds The seconds since 1970-01-01T00:00:00Z
 * @return An initialized OFDate with the specified date and time
 */
- (instancetype)initWithTimeIntervalSince1970: (of_time_interval_t)seconds
    OF_DESIGNATED_INITIALIZER;

/**
 * @brief Initializes an already allocated OFDate with the specified date and
 *	  time since now.
 *
 * @param seconds The seconds since now
 * @return An initialized OFDate with the specified date and time
 */
- (instancetype)initWithTimeIntervalSinceNow: (of_time_interval_t)seconds;

/**
 * @brief Initializes an already allocated OFDate with the specified string in
 *	  the specified format.
 *
 * The time zone used is UTC. If a time zone is specified anyway, an
 * OFInvalidFormatException is thrown. See @ref initWithLocalDateString:format:

/**
 * @brief Compares the date to another date.
 *
 * @param date The date to compare the date to
 * @return The result of the comparison
 */
- (of_comparison_result_t)compare: (OFDate *)date;

/**
 * @brief Creates a string of the date with the specified format.
 *
 * See the man page for `strftime` for information on the format.
 *
 * @param format The format for the date string

/**
 * @brief Returns the seconds the receiver is after the date.
 *
 * @param otherDate Date date to generate the difference with receiver
 * @return The seconds the receiver is after the date.
 */
- (of_time_interval_t)timeIntervalSinceDate: (OFDate *)otherDate;

/**
 * @brief Creates a new date with the specified time interval added.
 *
 * @param seconds The seconds after the date
 * @return A new, autoreleased OFDate
 */
- (OFDate *)dateByAddingTimeInterval: (of_time_interval_t)seconds;
@end

OF_ASSUME_NONNULL_END

static void
initDistantPast(void)
{
	distantPast = [[OFDateSingleton alloc]
	    initWithTimeIntervalSince1970: -62167219200.0];
}

static of_time_interval_t
now(void)
{
	struct timeval tv;
	of_time_interval_t seconds;

	OF_ENSURE(gettimeofday(&tv, NULL) == 0);

	seconds = tv.tv_sec;
	seconds += (of_time_interval_t)tv.tv_usec / 1000000;

	return seconds;
}

#if (!defined(HAVE_GMTIME_R) || !defined(HAVE_LOCALTIME_R)) && \
    defined(OF_HAVE_THREADS)
static OFMutex *mutex;

#ifdef OF_WINDOWS
static __time64_t (*func__mktime64)(struct tm *);
#endif

#ifdef HAVE_GMTIME_R
# define GMTIME_RET(field)						\
	of_time_interval_t timeInterval = self.timeIntervalSince1970;	\
	time_t seconds = (time_t)timeInterval;				\
	struct tm tm;							\
									\
	if (seconds != trunc(timeInterval))				\
		@throw [OFOutOfRangeException exception];		\
									\
	if (gmtime_r(&seconds, &tm) == NULL)				\
		@throw [OFOutOfRangeException exception];		\
									\
	return tm.field;
# define LOCALTIME_RET(field)						\
	of_time_interval_t timeInterval = self.timeIntervalSince1970;	\
	time_t seconds = (time_t)timeInterval;				\
	struct tm tm;							\
									\
	if (seconds != trunc(timeInterval))				\
		@throw [OFOutOfRangeException exception];		\
									\
	if (localtime_r(&seconds, &tm) == NULL)				\
		@throw [OFOutOfRangeException exception];		\
									\
	return tm.field;
#else
# ifdef OF_HAVE_THREADS
#  define GMTIME_RET(field)						\
	of_time_interval_t timeInterval = self.timeIntervalSince1970;	\
	time_t seconds = (time_t)timeInterval;				\
	struct tm *tm;							\
									\
	if (seconds != trunc(timeInterval))				\
		@throw [OFOutOfRangeException exception];		\
									\
	[mutex lock];							\
									\
	@try {								\
		if ((tm = gmtime(&seconds)) == NULL)			\
			@throw [OFOutOfRangeException exception];	\
									\
		return tm->field;					\
	} @finally {							\
		[mutex unlock];						\
	}
#  define LOCALTIME_RET(field)						\
	of_time_interval_t timeInterval = self.timeIntervalSince1970;	\
	time_t seconds = (time_t)timeInterval;				\
	struct tm *tm;							\
									\
	if (seconds != trunc(timeInterval))				\
		@throw [OFOutOfRangeException exception];		\
									\
	[mutex lock];							\
									\
	@try {								\
		if ((tm = localtime(&seconds)) == NULL)			\
			@throw [OFOutOfRangeException exception];	\
									\
		return tm->field;					\
	} @finally {							\
		[mutex unlock];						\
	}
# else
#  define GMTIME_RET(field)						\
	of_time_interval_t timeInterval = self.timeIntervalSince1970;	\
	time_t seconds = (time_t)timeInterval;				\
	struct tm *tm;							\
									\
	if (seconds != trunc(timeInterval))				\
		@throw [OFOutOfRangeException exception];		\
									\
	if ((tm = gmtime(&seconds)) == NULL)				\
		@throw [OFOutOfRangeException exception];		\
									\
	return tm->field;
#  define LOCALTIME_RET(field)						\
	of_time_interval_t timeInterval = self.timeIntervalSince1970;	\
	time_t seconds = (time_t)timeInterval;				\
	struct tm *tm;							\
									\
	if (seconds != trunc(timeInterval))				\
		@throw [OFOutOfRangeException exception];		\
									\
	if ((tm = localtime(&seconds)) == NULL)				\

@implementation OFDatePlaceholder
#ifdef __clang__
/* We intentionally don't call into super, so silence the warning. */
# pragma clang diagnostic push
# pragma clang diagnostic ignored "-Wunknown-pragmas"
# pragma clang diagnostic ignored "-Wobjc-designated-initializers"
#endif
- (instancetype)initWithTimeIntervalSince1970: (of_time_interval_t)seconds
{
#if defined(OF_OBJFW_RUNTIME) && UINTPTR_MAX == UINT64_MAX
	uint64_t value;
#endif

	if (seconds == 0) {
		static of_once_t once = OF_ONCE_INIT;

#ifdef __clang__
# pragma clang diagnostic pop
#endif
@end

#if defined(OF_OBJFW_RUNTIME) && UINTPTR_MAX == UINT64_MAX
@implementation OFTaggedPointerDate
- (of_time_interval_t)timeIntervalSince1970
{
	uint64_t value = (uint64_t)object_getTaggedPointerValue(self);

	value |= UINT64_C(4) << 60;

	return OF_BSWAP_DOUBLE_IF_LE(OF_INT_TO_DOUBLE_RAW(OF_BSWAP64_IF_LE(
	    value)));

}

+ (instancetype)date
{
	return [[[self alloc] init] autorelease];
}

+ (instancetype)dateWithTimeIntervalSince1970: (of_time_interval_t)seconds
{
	return [[[self alloc]
	    initWithTimeIntervalSince1970: seconds] autorelease];
}

+ (instancetype)dateWithTimeIntervalSinceNow: (of_time_interval_t)seconds
{
	return [[[self alloc]
	    initWithTimeIntervalSinceNow: seconds] autorelease];
}

+ (instancetype)dateWithDateString: (OFString *)string
			    format: (OFString *)format

}

- (instancetype)init
{
	return [self initWithTimeIntervalSince1970: now()];
}

- (instancetype)initWithTimeIntervalSince1970: (of_time_interval_t)seconds
{
	self = [super init];

	_seconds = seconds;

	return self;
}

- (instancetype)initWithTimeIntervalSinceNow: (of_time_interval_t)seconds
{
	return [self initWithTimeIntervalSince1970: now() + seconds];
}

- (instancetype)initWithDateString: (OFString *)string
			    format: (OFString *)format
{

	struct tm tm = { .tm_isdst = -1 };
	/*
	 * of_strptime() can never set this to SHRT_MAX, no matter what is
	 * passed to it, so this is a safe way to figure out if the date
	 * contains a time zone.
	 */
	short tz = SHRT_MAX;
	of_time_interval_t seconds;

	if (of_strptime(UTF8String, format.UTF8String, &tm, &tz) !=
	    UTF8String + string.UTF8StringLength)
		@throw [OFInvalidFormatException exception];

	if (tz == SHRT_MAX) {
#ifdef OF_WINDOWS

	objc_autoreleasePoolPop(pool);

	return [self initWithTimeIntervalSince1970: seconds];
}

- (instancetype)initWithSerialization: (OFXMLElement *)element
{
	of_time_interval_t seconds;

	@try {
		void *pool = objc_autoreleasePoolPush();
		unsigned long long value;

		if (![element.name isEqual: @"OFDate"] ||
		    ![element.namespace isEqual: OF_SERIALIZATION_NS])

}

- (id)copy
{
	return [self retain];
}

- (of_comparison_result_t)compare: (OFDate *)date
{
	if (![date isKindOfClass: [OFDate class]])
		@throw [OFInvalidArgumentException exception];

	if (self.timeIntervalSince1970 < date.timeIntervalSince1970)
		return OF_ORDERED_ASCENDING;
	if (self.timeIntervalSince1970 > date.timeIntervalSince1970)
		return OF_ORDERED_DESCENDING;

	return OF_ORDERED_SAME;
}

- (OFString *)description
{
	return [self dateStringWithFormat: @"%Y-%m-%dT%H:%M:%SZ"];
}

	return [element autorelease];
}

- (OFData *)messagePackRepresentation
{
	void *pool = objc_autoreleasePoolPush();
	of_time_interval_t timeInterval = self.timeIntervalSince1970;
	int64_t seconds = (int64_t)timeInterval;
	uint32_t nanoseconds =
	    (uint32_t)((timeInterval - trunc(timeInterval)) * 1000000000);
	OFData *ret;

	if (seconds >= 0 && seconds < 0x400000000) {
		if (seconds <= UINT32_MAX && nanoseconds == 0) {

	objc_autoreleasePoolPop(pool);

	return [ret autorelease];
}

- (unsigned long)microsecond
{
	of_time_interval_t timeInterval = self.timeIntervalSince1970;

	return (unsigned long)((timeInterval - trunc(timeInterval)) * 1000000);
}

- (unsigned char)second
{
	GMTIME_RET(tm_sec)

{
	LOCALTIME_RET(tm_yday + 1)
}

- (OFString *)dateStringWithFormat: (OFConstantString *)format
{
	OFString *ret;
	of_time_interval_t timeInterval = self.timeIntervalSince1970;
	time_t seconds = (time_t)timeInterval;
	struct tm tm;
	size_t pageSize;
#ifndef OF_WINDOWS
	char *buffer;
#else
	wchar_t *buffer;

	return ret;
}

- (OFString *)localDateStringWithFormat: (OFConstantString *)format
{
	OFString *ret;
	of_time_interval_t timeInterval = self.timeIntervalSince1970;
	time_t seconds = (time_t)timeInterval;
	struct tm tm;
	size_t pageSize;
#ifndef OF_WINDOWS
	char *buffer;
#else
	wchar_t *buffer;

}

- (OFDate *)earlierDate: (OFDate *)otherDate
{
	if (otherDate == nil)
		return self;

	if ([self compare: otherDate] == OF_ORDERED_DESCENDING)
		return otherDate;

	return self;
}

- (OFDate *)laterDate: (OFDate *)otherDate
{
	if (otherDate == nil)
		return self;

	if ([self compare: otherDate] == OF_ORDERED_ASCENDING)
		return otherDate;

	return self;
}

- (of_time_interval_t)timeIntervalSince1970
{
	return _seconds;
}

- (of_time_interval_t)timeIntervalSinceDate: (OFDate *)otherDate
{
	return self.timeIntervalSince1970 - otherDate.timeIntervalSince1970;
}

- (of_time_interval_t)timeIntervalSinceNow
{
	struct timeval t;
	of_time_interval_t seconds;

	OF_ENSURE(gettimeofday(&t, NULL) == 0);

	seconds = t.tv_sec;
	seconds += (of_time_interval_t)t.tv_usec / 1000000;

	return self.timeIntervalSince1970 - seconds;
}

- (OFDate *)dateByAddingTimeInterval: (of_time_interval_t)seconds
{
	return [OFDate dateWithTimeIntervalSince1970:
	    self.timeIntervalSince1970 + seconds];
}
@end

}

- (unsigned int)retainCount
{
	return OF_RETAIN_COUNT_MAX;
}

- (bool)characterIsMember: (of_unichar_t)character
{
	if (character < CHAR_MAX && of_ascii_isalnum(character))
		return true;

	switch (character) {
	case '-':
	case '.':

- (OFEnumerator *)objectEnumerator
{
	return [[[OFDictionaryObjectEnumerator alloc]
	    initWithDictionary: self] autorelease];
}

- (int)countByEnumeratingWithState: (of_fast_enumeration_state_t *)state
			   objects: (id *)objects
			     count: (int)count
{
	OFEnumerator *enumerator;
	int i;

	memcpy(&enumerator, state->extra, sizeof(enumerator));

/*
 * 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 "OFValue.h"

OF_ASSUME_NONNULL_BEGIN

@interface OFDimensionValue: OFValue
{
	of_dimension_t _dimension;
}

- (instancetype)initWithDimension: (of_dimension_t)dimension;
@end

OF_ASSUME_NONNULL_END

/*
 * 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 "OFDimensionValue.h"
#import "OFMethodSignature.h"
#import "OFString.h"

#import "OFOutOfRangeException.h"

@implementation OFDimensionValue
@synthesize dimensionValue = _dimension;

- (instancetype)initWithDimension: (of_dimension_t)dimension
{
	self = [super init];

	_dimension = dimension;

	return self;
}

- (const char *)objCType
{
	return @encode(of_dimension_t);
}

- (void)getValue: (void *)value size: (size_t)size
{
	if (size != sizeof(_dimension))
		@throw [OFOutOfRangeException exception];

	memcpy(value, &_dimension, sizeof(_dimension));
}

- (OFString *)description
{
	return [OFString stringWithFormat:
	    @"<OFValue: of_dimension_t { %f, %f }>",
	    _dimension.width, _dimension.height];
}
@end

/*
 * This needs to be exactly like this because it's hard-coded in the compiler.
 *
 * We need this bad check to see if we already imported Cocoa, which defines
 * this as well.
 */
/**
 * @struct of_fast_enumeration_state_t OFEnumerator.h ObjFW/OFEnumerator.h
 *
 * @brief State information for fast enumerations.
 */
#define of_fast_enumeration_state_t NSFastEnumerationState
#ifndef NSINTEGER_DEFINED
typedef struct {
	/** Arbitrary state information for the enumeration */
	unsigned long state;
	/** Pointer to a C array of objects to return */
	id __unsafe_unretained _Nullable *_Nullable itemsPtr;
	/** Arbitrary state information to detect mutations */
	unsigned long *_Nullable mutationsPtr;
	/** Additional arbitrary state information */
	unsigned long extra[5];
} of_fast_enumeration_state_t;
#endif

/**
 * @protocol OFFastEnumeration OFEnumerator.h ObjFW/OFEnumerator.h
 *
 * @brief A protocol for fast enumeration.
 *

 *
 * @param state Context information for the enumeration
 * @param objects A pointer to an array where to put the objects
 * @param count The number of objects that can be stored at objects
 * @return The number of objects returned in objects or 0 when the enumeration
 *	   finished.
 */
- (int)countByEnumeratingWithState: (of_fast_enumeration_state_t *)state
			   objects: (id __unsafe_unretained _Nonnull *_Nonnull)
					objects
			     count: (int)count;
@end

/**
 * @class OFEnumerator OFEnumerator.h ObjFW/OFEnumerator.h

	[ret makeImmutable];

	objc_autoreleasePoolPop(pool);

	return ret;
}

- (int)countByEnumeratingWithState: (of_fast_enumeration_state_t *)state
			   objects: (id *)objects
			     count: (int)count
{
	int i;

	state->itemsPtr = objects;
	state->mutationsPtr = (unsigned long *)self;

	[self of_removeObject: object
	       fileDescriptor: object.fileDescriptorForWriting
		       events: EPOLLOUT];

	[super removeObjectForWriting: object];
}

- (void)observeForTimeInterval: (of_time_interval_t)timeInterval
{
	OFNull *nullObject = [OFNull null];
	struct epoll_event eventList[EVENTLIST_SIZE];
	int events;

	if ([self of_processReadBuffers])
		return;

# endif
#endif

#if defined(OF_WINDOWS) || defined(OF_AMIGAOS)
typedef struct {
	of_offset_t st_size;
	unsigned int st_mode;
	of_time_interval_t st_atime, st_mtime, st_ctime;
# ifdef OF_WINDOWS
#  define HAVE_STRUCT_STAT_ST_BIRTHTIME
	of_time_interval_t st_birthtime;
	DWORD fileAttributes;
# endif
} of_stat_t;
#elif defined(HAVE_STAT64)
typedef struct stat64 of_stat_t;
#else
typedef struct stat of_stat_t;

static int (*func__wutime64)(const wchar_t *, struct __utimbuf64 *);
static WINAPI BOOLEAN (*func_CreateSymbolicLinkW)(LPCWSTR, LPCWSTR, DWORD);
static WINAPI BOOLEAN (*func_CreateHardLinkW)(LPCWSTR, LPCWSTR,
    LPSECURITY_ATTRIBUTES);
#endif

#ifdef OF_WINDOWS
static of_time_interval_t
filetimeToTimeInterval(const FILETIME *filetime)
{
	return (double)((int64_t)filetime->dwHighDateTime << 32 |
	    filetime->dwLowDateTime) / 10000000.0 - 11644473600.0;
}

static int

#elif defined(OF_AMIGAOS)
	BPTR lock;
# ifdef OF_AMIGAOS4
	struct ExamineData *ed;
# else
	struct FileInfoBlock fib;
# endif
	of_time_interval_t timeInterval;
	struct Locale *locale;
	struct DateStamp *date;

	if ((lock = Lock([path cStringWithEncoding: [OFLocale encoding]],
	    SHARED_LOCK)) == 0)
		return retrieveError();

# ifdef OF_AMIGAOS4
	date = &ed->Date;
# else
	date = &fib.fib_Date;
# endif
	timeInterval += date->ds_Days * 86400.0;
	timeInterval += date->ds_Minute * 60.0;
	timeInterval += date->ds_Tick / (of_time_interval_t)TICKS_PER_SECOND;

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

# ifdef OF_AMIGAOS4
	FreeDosObject(DOS_EXAMINEDATA, ed);
# endif

	[attributes setObject: [NSNumber numberWithUnsignedLong: s->st_gid]
		       forKey: of_file_attribute_key_posix_gid];

# ifdef OF_HAVE_THREADS
	[passwdMutex lock];
	@try {
# endif
		of_string_encoding_t encoding = [OFLocale 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];

#ifdef OF_FILE_MANAGER_SUPPORTS_SYMLINKS
static void
setSymbolicLinkDestinationAttribute(of_mutable_file_attributes_t attributes,
    OFURL *URL)
{
	OFString *path = URL.fileSystemRepresentation;
# ifndef OF_WINDOWS
	of_string_encoding_t encoding = [OFLocale encoding];
	char destinationC[PATH_MAX];
	ssize_t length;
	OFString *destination;
	of_file_attribute_key_t key;

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

			    exceptionWithURL: URL
				  attributes: attributes
			     failedAttribute: attributeKey
				       errNo: errno];
	}
#elif defined(OF_AMIGAOS)
	/* AmigaOS does not support access time. */
	of_time_interval_t modificationTime =
	    modificationDate.timeIntervalSince1970;
	struct Locale *locale;
	struct DateStamp date;

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

	if (modificationTime < 0)

# endif
		@throw [OFSetItemAttributesFailedException
		    exceptionWithURL: URL
			  attributes: attributes
		     failedAttribute: attributeKey
			       errNo: retrieveError()];
#else
	of_time_interval_t lastAccessTime =
	    lastAccessDate.timeIntervalSince1970;
	of_time_interval_t modificationTime =
	    modificationDate.timeIntervalSince1970;
	struct timeval times[2] = {
		{
			.tv_sec = (time_t)lastAccessTime,
			.tv_usec =
			    (int)((lastAccessTime - times[0].tv_sec) * 1000000)
		},

       attributeKey: (of_file_attribute_key_t)attributeKey
	 attributes: (of_file_attributes_t)attributes OF_DIRECT
{
#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 = [OFLocale encoding];

# ifdef OF_HAVE_THREADS

				    exceptionWithObject: self
					requestedLength: 0
						  errNo: retrieveError()];
		} @finally {
			FindClose(handle);
		}
	} else {
		of_string_encoding_t encoding = [OFLocale encoding];
		WIN32_FIND_DATA fd;

		if ((handle = FindFirstFileA(
		    [path cStringWithEncoding: encoding], &fd)) ==
		    INVALID_HANDLE_VALUE)
			@throw [OFOpenItemFailedException
			    exceptionWithURL: URL

					requestedLength: 0
						  errNo: retrieveError()];
		} @finally {
			FindClose(handle);
		}
	}
#elif defined(OF_AMIGAOS)
	of_string_encoding_t encoding = [OFLocale encoding];
	BPTR lock;

	if ((lock = Lock([path cStringWithEncoding: encoding],
	    SHARED_LOCK)) == 0)
		@throw [OFOpenItemFailedException
		    exceptionWithURL: URL
				mode: nil

			    exceptionWithObject: self
				requestedLength: 0
					  errNo: retrieveError()];
	} @finally {
		UnLock(lock);
	}
#else
	of_string_encoding_t encoding = [OFLocale 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)

	    ![destination.scheme isEqual: _scheme])
		@throw [OFInvalidArgumentException exception];

	sourcePath = source.fileSystemRepresentation;
	destinationPath = destination.fileSystemRepresentation;

# ifndef OF_WINDOWS
	of_string_encoding_t encoding = [OFLocale encoding];

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

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

	path = URL.fileSystemRepresentation;

# ifndef OF_WINDOWS
	of_string_encoding_t encoding = [OFLocale encoding];

	if (symlink([target cStringWithEncoding: encoding],
	    [path cStringWithEncoding: encoding]) != 0)
		@throw [OFCreateSymbolicLinkFailedException
		    exceptionWithURL: URL
			      target: target
			       errNo: errno];

		    exceptionWithSourceURL: source
			    destinationURL: destination
				     errNo: EEXIST];

	pool = objc_autoreleasePoolPush();

#ifdef OF_AMIGAOS
	of_string_encoding_t encoding = [OFLocale encoding];

	if (!Rename([source.fileSystemRepresentation
	    cStringWithEncoding: encoding],
	    [destination.fileSystemRepresentation
	    cStringWithEncoding: encoding]))
		@throw [OFMoveItemFailedException
		    exceptionWithSourceURL: source
			    destinationURL: destination
				     errNo: retrieveError()];
#else
	int status;

# ifdef OF_WINDOWS
	if ([OFSystemInfo isWindowsNT])
		status = _wrename(source.fileSystemRepresentation.UTF16String,
		    destination.fileSystemRepresentation.UTF16String);
	else {
# endif
		of_string_encoding_t encoding = [OFLocale encoding];

		status = rename([source.fileSystemRepresentation
		    cStringWithEncoding: encoding],
		    [destination.fileSystemRepresentation
		    cStringWithEncoding: encoding]);
# ifdef OF_WINDOWS
	}

		if (connectionHeader != nil)
			keepAlive = [connectionHeader isEqual: @"close"];
		else
			keepAlive = true;
	} else {
		if (connectionHeader != nil)
			keepAlive = ([connectionHeader caseInsensitiveCompare:
			    @"keep-alive"] == OF_ORDERED_SAME);
		else
			keepAlive = false;
	}

	if (keepAlive) {
		response.of_keepAlive = true;

		OFString *newURLScheme;

		newURL = [OFURL URLWithString: location
				relativeToURL: URL];
		newURLScheme = newURL.scheme;

		if ([newURLScheme caseInsensitiveCompare: @"http"] !=
		    OF_ORDERED_SAME &&
		    [newURLScheme caseInsensitiveCompare: @"https"] !=
		    OF_ORDERED_SAME)
			follow = false;

		if (!_client->_allowsInsecureRedirects &&
		    [URL.scheme caseInsensitiveCompare: @"https"] ==
		    OF_ORDERED_SAME &&
		    [newURLScheme caseInsensitiveCompare: @"http"] ==
		    OF_ORDERED_SAME)
			follow = false;

		if (follow && [_client->_delegate respondsToSelector: @selector(
		    client:shouldFollowRedirect:statusCode:request:response:)])
			follow = [_client->_delegate client: _client
				       shouldFollowRedirect: newURL
						 statusCode: _status

		return false;
	}

	if (![line hasPrefix: @"HTTP/"] || line.length < 9 ||
	    [line characterAtIndex: 8] != ' ')
		@throw [OFInvalidServerReplyException exception];

	_version = [[line substringWithRange: of_range(5, 3)] copy];
	if (![_version isEqual: @"1.0"] && ![_version isEqual: @"1.1"])
		@throw [OFUnsupportedVersionException
		    exceptionWithVersion: _version];

	status = [line substringWithRange: of_range(9, 3)].longLongValue;

	if (status < 0 || status > 599)
		@throw [OFInvalidServerReplyException exception];

	_status = (short)status;

	return true;

	}

	return ret;
}

- (OFString *)stream: (OFStream *)stream
      didWriteString: (OFString *)string
	    encoding: (of_string_encoding_t)encoding
	bytesWritten: (size_t)bytesWritten
	   exception: (id)exception
{
	OFDictionary OF_GENERIC(OFString *, OFString *) *headers;
	bool chunked;

	if (exception != nil) {

		OFTCPSocket *sock;
		uint16_t port;
		OFNumber *URLPort;

		[_client close];

		if ([URL.scheme caseInsensitiveCompare: @"https"] ==
		    OF_ORDERED_SAME) {
			if (of_tls_socket_class == Nil)
				@throw [OFUnsupportedProtocolException
				    exceptionWithURL: URL];

			sock = [[[of_tls_socket_class alloc] init] autorelease];
			port = 443;
		} else {

			@throw [OFInvalidServerReplyException exception];
		}

		if (line == nil)
			return 0;

		pos = [line rangeOfString: @";"].location;
		if (pos != OF_NOT_FOUND)
			line = [line substringToIndex: pos];

		if (line.length < 1) {
			/*
			 * We have read the empty string because the socket is
			 * at end of stream.
			 */
			if (_socket.atEndOfStream && pos == OF_NOT_FOUND)
				@throw [OFTruncatedDataException exception];
			else
				@throw [OFInvalidServerReplyException
				    exception];
		}

		@try {

- (void)asyncPerformRequest: (OFHTTPRequest *)request
		  redirects: (unsigned int)redirects
{
	void *pool = objc_autoreleasePoolPush();
	OFURL *URL = request.URL;
	OFString *scheme = URL.scheme;

	if ([scheme caseInsensitiveCompare: @"http"] != OF_ORDERED_SAME &&
	    [scheme caseInsensitiveCompare: @"https"] != OF_ORDERED_SAME)
		@throw [OFUnsupportedProtocolException exceptionWithURL: URL];

	if (_inProgress)
		/* TODO: Find a better exception */
		@throw [OFAlreadyConnectedException exception];

	_inProgress = true;

    (OFDictionary OF_GENERIC(OFString *, OFString *) *)headerFields
    forURL: (OFURL *)URL
{
	OFMutableArray OF_GENERIC(OFHTTPCookie *) *ret = [OFMutableArray array];
	void *pool = objc_autoreleasePoolPush();
	OFString *string = [headerFields objectForKey: @"Set-Cookie"];
	OFString *domain = URL.host;
	const of_unichar_t *characters = string.characters;
	size_t length = string.length, last = 0;
	enum {
		STATE_PRE_NAME,
		STATE_NAME,
		STATE_EXPECT_VALUE,
		STATE_VALUE,
		STATE_QUOTED_VALUE,

				last = i;
				i--;
			}
			break;
		case STATE_NAME:
			if (characters[i] == '=') {
				name = [string substringWithRange:
				    of_range(last, i - last)];
				state = STATE_EXPECT_VALUE;
			}
			break;
		case STATE_EXPECT_VALUE:
			if (characters[i] == '"') {
				state = STATE_QUOTED_VALUE;
				last = i + 1;
			} else {
				state = STATE_VALUE;
				last = i;
			}

			i--;
			break;
		case STATE_VALUE:
			if (characters[i] == ';' || characters[i] == ',') {
				value = [string substringWithRange:
				    of_range(last, i - last)];

				[ret addObject:
				    [OFHTTPCookie cookieWithName: name
							   value: value
							  domain: domain]];

				state = (characters[i] == ';'
				    ? STATE_PRE_ATTR_NAME : STATE_PRE_NAME);
			}
			break;
		case STATE_QUOTED_VALUE:
			if (characters[i] == '"') {
				value = [string substringWithRange:
				    of_range(last, i - last)];
				[ret addObject:
				    [OFHTTPCookie cookieWithName: name
							   value: value
							  domain: domain]];

				state = STATE_POST_QUOTED_VALUE;
			}

				last = i;
				i--;
			}
			break;
		case STATE_ATTR_NAME:
			if (characters[i] == '=') {
				name = [string substringWithRange:
				    of_range(last, i - last)];

				state = STATE_ATTR_VALUE;
				last = i + 1;
			} else if (characters[i] == ';' ||
			    characters[i] == ',') {
				name = [string substringWithRange:
				    of_range(last, i - last)];

				handleAttribute(ret.lastObject, name, nil);

				state = (characters[i] == ';'
				    ? STATE_PRE_ATTR_NAME : STATE_PRE_NAME);
			}

			break;
		case STATE_ATTR_VALUE:
			if (characters[i] == ';' || characters[i] == ',') {
				value = [string substringWithRange:
				    of_range(last, i - last)];

				/*
				 * Expires often contains a comma, even though
				 * the comma is used as a separator for
				 * concatenating headers as per RFC 2616,
				 * meaning RFC 6265 contradicts RFC 2616.
				 * Solve this by special casing this.
				 */
				if (characters[i] == ',' &&
				    [name caseInsensitiveCompare: @"expires"] ==
				    OF_ORDERED_SAME && value.length == 3 &&
				    ([value isEqual: @"Mon"] ||
				    [value isEqual: @"Tue"] ||
				    [value isEqual: @"Wed"] ||
				    [value isEqual: @"Thu"] ||
				    [value isEqual: @"Fri"] ||
				    [value isEqual: @"Sat"] ||
				    [value isEqual: @"Sun"]))

		break;
	case STATE_NAME:
	case STATE_QUOTED_VALUE:
		@throw [OFInvalidFormatException exception];
		break;
	case STATE_VALUE:
		value = [string substringWithRange:
		    of_range(last, length - last)];
		[ret addObject: [OFHTTPCookie cookieWithName: name
						       value: value
						      domain: domain]];
		break;
	/* We end up here if the cookie is just foo= */
	case STATE_EXPECT_VALUE:
		[ret addObject: [OFHTTPCookie cookieWithName: name
						       value: @""
						      domain: domain]];
		break;
	case STATE_ATTR_NAME:
		if (last != length) {
			name = [string substringWithRange:
			    of_range(last, length - last)];

			handleAttribute(ret.lastObject, name, nil);
		}
		break;
	case STATE_ATTR_VALUE:
		value = [string substringWithRange:
		    of_range(last, length - last)];

		handleAttribute(ret.lastObject, name, value);

		break;
	}

	objc_autoreleasePoolPop(pool);

	OFString *cookieDomain, *URLHost;
	size_t i;

	if (![cookie.path hasPrefix: @"/"])
		cookie.path = @"/";

	if (cookie.secure &&
	    [URL.scheme caseInsensitiveCompare: @"https"] != OF_ORDERED_SAME) {
		objc_autoreleasePoolPop(pool);
		return;
	}

	cookieDomain = cookie.domain.lowercaseString;
	cookie.domain = cookieDomain;

		bool match;

		expires = cookie.expires;
		if (expires != nil && expires.timeIntervalSinceNow <= 0)
			continue;

		if (cookie.secure && [URL.scheme caseInsensitiveCompare:
		    @"https"] != OF_ORDERED_SAME)
			continue;

		pool = objc_autoreleasePoolPush();

		cookieDomain = cookie.domain.lowercaseString;
		URLHost = URL.host.lowercaseString;
		if ([cookieDomain hasPrefix: @"."]) {

/**
 * @brief Returns the reply as a string, trying to detect the encoding and
 *	  falling back to the specified encoding if not detectable.
 *
 * @return The reply as a string
 */
- (OFString *)stringWithEncoding: (of_string_encoding_t)encoding;
@end

#ifdef __cplusplus
extern "C" {
#endif
/**
 * @brief Returns a description string for the specified HTTP status code.

	case 505:
		return @"HTTP Version Not Supported";
	default:
		return @"(unknown)";
	}
}

static of_string_encoding_t
encodingForContentType(OFString *contentType)
{
	const char *UTF8String = contentType.UTF8String;
	size_t last, length = contentType.UTF8StringLength;
	enum {
		STATE_TYPE,
		STATE_BEFORE_PARAM_NAME,
		STATE_PARAM_NAME,
		STATE_PARAM_VALUE_OR_QUOTE,
		STATE_PARAM_VALUE,
		STATE_PARAM_QUOTED_VALUE,
		STATE_AFTER_PARAM_VALUE
	} state = STATE_TYPE;
	OFString *name = nil, *value = nil, *charset = nil;
	of_string_encoding_t ret;

	last = 0;
	for (size_t i = 0; i < length; i++) {
		switch (state) {
		case STATE_TYPE:
			if (UTF8String[i] == ';') {
				state = STATE_BEFORE_PARAM_NAME;

			}
			break;
		case STATE_AFTER_PARAM_VALUE:
			if (UTF8String[i] == ';') {
				state = STATE_BEFORE_PARAM_NAME;
				last = i + 1;
			} else if (UTF8String[i] != ' ')
				return OF_STRING_ENCODING_AUTODETECT;
			break;
		}
	}
	if (state == STATE_PARAM_VALUE) {
		value = [OFString stringWithUTF8String: UTF8String + last
						length: length - last];
		value = value.stringByDeletingTrailingWhitespaces;

		if ([name isEqual: @"charset"])
			charset = value;
	}

	@try {
		ret = of_string_parse_encoding(charset);
	} @catch (OFInvalidArgumentException *e) {
		ret = OF_STRING_ENCODING_AUTODETECT;
	}

	return ret;
}

@implementation OFHTTPResponse
@synthesize statusCode = _statusCode, headers = _headers;

	return [OFString stringWithFormat: @"%hhu.%hhu",
					   _protocolVersion.major,
					   _protocolVersion.minor];
}

- (OFString *)string
{
	return [self stringWithEncoding: OF_STRING_ENCODING_AUTODETECT];
}

- (OFString *)stringWithEncoding: (of_string_encoding_t)encoding
{
	void *pool = objc_autoreleasePoolPush();
	OFString *contentType, *contentLengthString, *ret;
	OFData *data;

	if (encoding == OF_STRING_ENCODING_AUTODETECT &&
	    (contentType = [_headers objectForKey: @"Content-Type"]) != nil)
		encoding = encodingForContentType(contentType);

	if (encoding == OF_STRING_ENCODING_AUTODETECT)
		encoding = OF_STRING_ENCODING_UTF_8;

	data = [self readDataUntilEndOfStream];

	contentLengthString = [_headers objectForKey: @"Content-Length"];
	if (contentLengthString != nil) {
		unsigned long long contentLength =
		    contentLengthString.unsignedLongLongValue;

{
	OFString *method;
	OFMutableString *path;
	size_t pos;

	@try {
		OFString *version = [line
		    substringWithRange: of_range(line.length - 9, 9)];
		of_unichar_t tmp;

		if (![version hasPrefix: @" HTTP/1."])
			return [self sendErrorAndClose: 505];

		tmp = [version characterAtIndex: 8];
		if (tmp < '0' || tmp > '9')
			return [self sendErrorAndClose: 400];

		_HTTPMinorVersion = (uint8_t)(tmp - '0');
	} @catch (OFOutOfRangeException *e) {
		return [self sendErrorAndClose: 400];
	}

	pos = [line rangeOfString: @" "].location;
	if (pos == OF_NOT_FOUND)
		return [self sendErrorAndClose: 400];

	method = [line substringToIndex: pos];
	@try {
		_method = of_http_request_method_from_string(method);
	} @catch (OFInvalidArgumentException *e) {
		return [self sendErrorAndClose: 405];
	}

	@try {
		of_range_t range = of_range(pos + 1, line.length - pos - 10);

		path = [[[line substringWithRange:
		    range] mutableCopy] autorelease];
	} @catch (OFOutOfRangeException *e) {
		return [self sendErrorAndClose: 400];
	}

		_state = SEND_RESPONSE;
		[self createResponse];

		return false;
	}

	pos = [line rangeOfString: @":"].location;
	if (pos == OF_NOT_FOUND)
		return [self sendErrorAndClose: 400];

	key = [line substringToIndex: pos];
	value = [line substringFromIndex: pos + 1];

	key = normalizedKey(key.stringByDeletingTrailingWhitespaces);
	value = value.stringByDeletingLeadingWhitespaces;

	old = [_headers objectForKey: key];
	if (old != nil)
		value = [old stringByAppendingFormat: @",%@", value];

	[_headers setObject: value forKey: key];

	if ([key isEqual: @"Host"]) {
		pos = [value
		    rangeOfString: @":"
			  options: OF_STRING_SEARCH_BACKWARDS].location;

		if (pos != OF_NOT_FOUND) {
			[_host release];
			_host = [[value substringToIndex: pos] retain];

			@try {
				unsigned long long portTmp =
				    [value substringFromIndex: pos + 1]
				    .unsignedLongLongValue;

	URL = [OFMutableURL URL];
	URL.scheme = @"http";
	URL.host = _host;
	if (_port != 80)
		URL.port = [OFNumber numberWithUnsignedShort: _port];

	if ((pos = [_path rangeOfString: @"?"].location) != OF_NOT_FOUND) {
		OFString *path, *query;

		path = [_path substringToIndex: pos];
		query = [_path substringFromIndex: pos + 1];

		URL.URLEncodedPath = path;
		URL.URLEncodedQuery = query;

			@throw [OFInvalidFormatException exception];
		}

		if (line == nil)
			return 0;

		pos = [line rangeOfString: @";"].location;
		if (pos != OF_NOT_FOUND)
			line = [line substringToIndex: pos];

		if (line.length < 1) {
			/*
			 * We have read the empty string because the socket is
			 * at end of stream.
			 */
			if (_socket.atEndOfStream && pos == OF_NOT_FOUND)
				@throw [OFTruncatedDataException exception];
			else
				@throw [OFInvalidFormatException exception];
		}

		toRead = [line unsignedLongLongValueWithBase: 16];
		if (toRead > LLONG_MAX)

@class OFStream;

OF_DIRECT_MEMBERS
@interface OFINICategory ()
- (instancetype)of_initWithName: (OFString *)name OF_METHOD_FAMILY(init);
- (void)of_parseLine: (OFString *)line;
- (bool)of_writeToStream: (OFStream *)stream
		encoding: (of_string_encoding_t)encoding
		   first: (bool)first;
@end

OF_ASSUME_NONNULL_END

unescapeString(OFString *string)
{
	OFMutableString *mutableString;

	if (![string hasPrefix: @"\""] || ![string hasSuffix: @"\""])
		return string;

	string = [string substringWithRange: of_range(1, string.length - 2)];
	mutableString = [[string mutableCopy] autorelease];

	[mutableString replaceOccurrencesOfString: @"\\f" withString: @"\f"];
	[mutableString replaceOccurrencesOfString: @"\\r" withString: @"\r"];
	[mutableString replaceOccurrencesOfString: @"\\n" withString: @"\n"];
	[mutableString replaceOccurrencesOfString: @"\\\"" withString: @"\""];
	[mutableString replaceOccurrencesOfString: @"\\\\" withString: @"\\"];

{
	if (![line hasPrefix: @";"]) {
		OFINICategoryPair *pair =
		    [[[OFINICategoryPair alloc] init] autorelease];
		OFString *key, *value;
		size_t pos;

		if ((pos = [line rangeOfString: @"="].location) == OF_NOT_FOUND)
			@throw [OFInvalidFormatException exception];

		key = unescapeString([line substringToIndex: pos]
		    .stringByDeletingEnclosingWhitespaces);
		value = unescapeString([line substringFromIndex: pos + 1]
		    .stringByDeletingEnclosingWhitespaces);

		}
	}

	objc_autoreleasePoolPop(pool);
}

- (bool)of_writeToStream: (OFStream *)stream
		encoding: (of_string_encoding_t)encoding
		   first: (bool)first
{
	if (_lines.count == 0)
		return false;

	if (first)
		[stream writeFormat: @"[%@]\r\n", _name];

 *
 * @param path The path to the file whose contents the OFINIFile should contain
 * @param encoding The encoding of the specified file
 *
 * @return A new, autoreleased OFINIFile with the contents of the specified file
 */
+ (instancetype)fileWithPath: (OFString *)path
		    encoding: (of_string_encoding_t)encoding;

- (instancetype)init OF_UNAVAILABLE;

/**
 * @brief Initializes an already allocated OFINIFile with the contents of the
 *	  specified file.
 *

 *
 * @param path The path to the file whose contents the OFINIFile should contain
 * @param encoding The encoding of the specified file
 *
 * @return An initialized OFINIFile with the contents of the specified file
 */
- (instancetype)initWithPath: (OFString *)path
		    encoding: (of_string_encoding_t)encoding
    OF_DESIGNATED_INITIALIZER;

/**
 * @brief Returns an @ref OFINICategory for the category with the specified
 *	  name.
 *
 * @param name The name of the category for which an @ref OFINICategory should

/**
 * @brief Writes the contents of the OFINIFile to a file in the specified
 *	  encoding.
 *
 * @param path The path of the file to write to
 * @param encoding The encoding to use
 */
- (void)writeToFile: (OFString *)path encoding: (of_string_encoding_t)encoding;
@end

OF_ASSUME_NONNULL_END

#import "OFINICategory+Private.h"

#import "OFInvalidFormatException.h"
#import "OFOpenItemFailedException.h"

OF_DIRECT_MEMBERS
@interface OFINIFile ()
- (void)of_parseFile: (OFString *)path encoding: (of_string_encoding_t)encoding;
@end

static bool
isWhitespaceLine(OFString *line)
{
	const char *cString = line.UTF8String;
	size_t length = line.UTF8StringLength;

+ (instancetype)fileWithPath: (OFString *)path
{
	return [[[self alloc] initWithPath: path] autorelease];
}

+ (instancetype)fileWithPath: (OFString *)path
		    encoding: (of_string_encoding_t)encoding
{
	return [[[self alloc] initWithPath: path
				  encoding: encoding] autorelease];
}

- (instancetype)init
{
	OF_INVALID_INIT_METHOD
}

- (instancetype)initWithPath: (OFString *)path
{
	return [self initWithPath: path encoding: OF_STRING_ENCODING_UTF_8];
}

- (instancetype)initWithPath: (OFString *)path
		    encoding: (of_string_encoding_t)encoding
{
	self = [super init];

	@try {
		_categories = [[OFMutableArray alloc] init];

		[self of_parseFile: path encoding: encoding];

	[_categories addObject: category];

	objc_autoreleasePoolPop(pool);

	return category;
}

- (void)of_parseFile: (OFString *)path encoding: (of_string_encoding_t)encoding
{
	void *pool = objc_autoreleasePoolPush();
	OFFile *file;
	OFINICategory *category = nil;
	OFString *line;

	@try {

		if ([line hasPrefix: @"["]) {
			OFString *categoryName;

			if (![line hasSuffix: @"]"])
				@throw [OFInvalidFormatException exception];

			categoryName = [line substringWithRange:
			    of_range(1, line.length - 2)];
			category = [[[OFINICategory alloc]
			    of_initWithName: categoryName] autorelease];
			[_categories addObject: category];
		} else {
			if (category == nil)
				@throw [OFInvalidFormatException exception];

			[category of_parseLine: line];
		}
	}

	objc_autoreleasePoolPop(pool);
}

- (void)writeToFile: (OFString *)path
{
	[self writeToFile: path encoding: OF_STRING_ENCODING_UTF_8];
}

- (void)writeToFile: (OFString *)path encoding: (of_string_encoding_t)encoding
{
	void *pool = objc_autoreleasePoolPush();
	OFFile *file = [OFFile fileWithPath: path mode: @"w"];
	bool first = true;

	for (OFINICategory *category in _categories)
		if ([category of_writeToStream: file

}

- (void)of_getCategory: (OFString **)category
		andKey: (OFString **)key
	       forPath: (OFString *)path OF_DIRECT
{
	size_t pos = [path rangeOfString: @"."
				 options: OF_STRING_SEARCH_BACKWARDS].location;

	if (pos == OF_NOT_FOUND) {
		*category = @"";
		*key = path;
		return;
	}

	*category = [path substringToIndex: pos];
	*key = [path substringFromIndex: pos + 1];

#import "OFCharacterSet.h"

OF_ASSUME_NONNULL_BEGIN

@interface OFInvertedCharacterSet: OFCharacterSet
{
	OFCharacterSet *_characterSet;
	bool (*_characterIsMember)(id, SEL, of_unichar_t);
}

- (instancetype)initWithCharacterSet: (OFCharacterSet *)characterSet;
@end

OF_ASSUME_NONNULL_END

- (instancetype)initWithCharacterSet: (OFCharacterSet *)characterSet
{
	self = [super init];

	@try {
		_characterSet = [characterSet retain];
		_characterIsMember = (bool (*)(id, SEL, of_unichar_t))
		    [_characterSet methodForSelector:
		    @selector(characterIsMember:)];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
	[_characterSet release];

	[super dealloc];
}

- (bool)characterIsMember: (of_unichar_t)character
{
	return !_characterIsMember(_characterSet, @selector(characterIsMember:),
	    character);
}

- (OFCharacterSet *)invertedSet
{
	return [[_characterSet retain] autorelease];
}
@end

/**
 * @brief Observes all objects until an event happens on an object or the
 *	  timeout is reached.
 *
 * @param timeInterval The time to wait for an event, in seconds
 */
- (void)observeForTimeInterval: (of_time_interval_t)timeInterval;

/**
 * @brief Observes all objects until an event happens on an object or the
 *	  specified date is reached.
 *
 * @param date The until which to observe
 */

}

- (void)observe
{
	[self observeForTimeInterval: -1];
}

- (void)observeForTimeInterval: (of_time_interval_t)timeInterval
{
	OF_UNRECOGNIZED_SELECTOR
}

- (void)observeUntilDate: (OFDate *)date
{
	[self observeForTimeInterval: date.timeIntervalSinceNow];

	if (kevent(_kernelQueue, &event, 1, NULL, 0, NULL) != 0)
		@throw [OFObserveFailedException exceptionWithObserver: self
								 errNo: errno];

	[super removeObjectForWriting: object];
}

- (void)observeForTimeInterval: (of_time_interval_t)timeInterval
{
	struct timespec timeout;
	struct kevent eventList[EVENTLIST_SIZE];
	int events;

	if ([self of_processReadBuffers])
		return;

{
	OFStream *_stream;
	enum {
		OF_LHA_ARCHIVE_MODE_READ,
		OF_LHA_ARCHIVE_MODE_WRITE,
		OF_LHA_ARCHIVE_MODE_APPEND
	} _mode;
	of_string_encoding_t _encoding;
	OFStream *_Nullable _lastReturnedStream;
}

/**
 * @brief The encoding to use for the archive. Defaults to ISO 8859-1.
 */
@property (nonatomic) of_string_encoding_t encoding;

/**
 * @brief A stream for reading the current entry.
 *
 * @note This is only available in read mode.
 *
 * @note The returned stream conforms to @ref OFReadyForReadingObserving if the

- (void)of_skip;
@end

OF_DIRECT_MEMBERS
@interface OFLHAArchiveFileWriteStream: OFStream <OFReadyForWritingObserving>
{
	OFMutableLHAArchiveEntry *_entry;
	of_string_encoding_t _encoding;
	OFSeekableStream *_stream;
	of_offset_t _headerOffset;
	uint32_t _bytesWritten;
	uint16_t _CRC16;
}

- (instancetype)of_initWithStream: (OFSeekableStream *)stream
			    entry: (OFLHAArchiveEntry *)entry
			 encoding: (of_string_encoding_t)encoding;
@end

@implementation OFLHAArchive
@synthesize encoding = _encoding;

+ (instancetype)archiveWithStream: (OFStream *)stream mode: (OFString *)mode
{

		    ![_stream isKindOfClass: [OFSeekableStream class]])
			@throw [OFInvalidArgumentException exception];

		if (_mode == OF_LHA_ARCHIVE_MODE_APPEND)
			[(OFSeekableStream *)_stream seekToOffset: 0
							   whence: SEEK_END];

		_encoding = OF_STRING_ENCODING_ISO_8859_1;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

	[super close];
}
@end

@implementation OFLHAArchiveFileWriteStream
- (instancetype)of_initWithStream: (OFSeekableStream *)stream
			    entry: (OFLHAArchiveEntry *)entry
			 encoding: (of_string_encoding_t)encoding
{
	self = [super init];

	@try {
		_entry = [entry mutableCopy];
		_encoding = encoding;

OF_ASSUME_NONNULL_BEGIN

OF_DIRECT_MEMBERS
@interface OFLHAArchiveEntry ()
- (instancetype)of_initWithHeader: (char [_Nonnull 21])header
			   stream: (OFStream *)stream
			 encoding: (of_string_encoding_t)encoding
    OF_METHOD_FAMILY(init);
- (void)of_writeToStream: (OFStream *)stream
		encoding: (of_string_encoding_t)encoding;
@end

OF_ASSUME_NONNULL_END

	return [OFDate dateWithLocalDateString: dateString
					format: @"%Y-%m-%d %H:%M:%S"];
}

static void
parseFileNameExtension(OFLHAArchiveEntry *entry, OFData *extension,
    of_string_encoding_t encoding)
{
	[entry->_fileName release];
	entry->_fileName = nil;

	entry->_fileName = [[OFString alloc]
	    initWithCString: (char *)extension.items + 1
		   encoding: encoding
		     length: [extension count] - 1];
}

static void
parseDirectoryNameExtension(OFLHAArchiveEntry *entry, OFData *extension,
    of_string_encoding_t encoding)
{
	void *pool = objc_autoreleasePoolPush();
	OFMutableData *data = [[extension mutableCopy] autorelease];
	char *items = data.mutableItems;
	size_t count = data.count;
	OFMutableString *directoryName;

	entry->_directoryName = [directoryName copy];

	objc_autoreleasePoolPop(pool);
}

static void
parseCommentExtension(OFLHAArchiveEntry *entry, OFData *extension,
    of_string_encoding_t encoding)
{
	[entry->_fileComment release];
	entry->_fileComment = nil;

	entry->_fileComment = [[OFString alloc]
	    initWithCString: (char *)extension.items + 1
		   encoding: encoding
		     length: extension.count - 1];
}

static void
parsePermissionsExtension(OFLHAArchiveEntry *entry, OFData *extension,
    of_string_encoding_t encoding)
{
	uint16_t mode;

	if (extension.count != 3)
		@throw [OFInvalidFormatException exception];

	memcpy(&mode, (char *)extension.items + 1, 2);
	mode = OF_BSWAP16_IF_BE(mode);

	[entry->_mode release];
	entry->_mode = nil;

	entry->_mode = [[OFNumber alloc] initWithUnsignedShort: mode];
}

static void
parseGIDUIDExtension(OFLHAArchiveEntry *entry, OFData *extension,
    of_string_encoding_t encoding)
{
	uint16_t UID, GID;

	if (extension.count != 5)
		@throw [OFInvalidFormatException exception];

	memcpy(&GID, (char *)extension.items + 1, 2);

	entry->_GID = [[OFNumber alloc] initWithUnsignedShort: GID];
	entry->_UID = [[OFNumber alloc] initWithUnsignedShort: UID];
}

static void
parseGroupExtension(OFLHAArchiveEntry *entry, OFData *extension,
    of_string_encoding_t encoding)
{
	[entry->_group release];
	entry->_group = nil;

	entry->_group = [[OFString alloc]
	    initWithCString: (char *)extension.items + 1
		   encoding: encoding
		     length: extension.count - 1];
}

static void
parseOwnerExtension(OFLHAArchiveEntry *entry, OFData *extension,
    of_string_encoding_t encoding)
{
	[entry->_owner release];
	entry->_owner = nil;

	entry->_owner = [[OFString alloc]
	    initWithCString: (char *)extension.items + 1
		   encoding: encoding
		     length: extension.count - 1];
}

static void
parseModificationDateExtension(OFLHAArchiveEntry *entry, OFData *extension,
    of_string_encoding_t encoding)
{
	uint32_t modificationDate;

	if (extension.count != 5)
		@throw [OFInvalidFormatException exception];

	memcpy(&modificationDate, (char *)extension.items + 1, 4);
	modificationDate = OF_BSWAP32_IF_BE(modificationDate);

	[entry->_modificationDate release];
	entry->_modificationDate = nil;

	entry->_modificationDate = [[OFDate alloc]
	    initWithTimeIntervalSince1970: modificationDate];
}

static bool
parseExtension(OFLHAArchiveEntry *entry, OFData *extension,
    of_string_encoding_t encoding, bool allowFileName)
{
	void (*function)(OFLHAArchiveEntry *, OFData *, of_string_encoding_t) =
	    NULL;

	switch (*(char *)[extension itemAtIndex: 0]) {
	case 0x01:
		if (allowFileName)
			function = parseFileNameExtension;
		break;

	function(entry, extension, encoding);
	return true;
}

static void
readExtensions(OFLHAArchiveEntry *entry, OFStream *stream,
    of_string_encoding_t encoding, bool allowFileName)
{
	uint16_t size;

	while ((size = [stream readLittleEndianInt16]) > 0) {
		OFData *extension;

		if (size < 2)

			entry->_compressedSize -= size;
		}
	}
}

static void
getFileNameAndDirectoryName(OFLHAArchiveEntry *entry,
    of_string_encoding_t encoding,
    const char **fileName, size_t *fileNameLength,
    const char **directoryName, size_t *directoryNameLength)
{
	OFMutableData *data;
	char *cString;
	size_t length;
	size_t pos;

	}

	return self;
}

- (instancetype)of_initWithHeader: (char [21])header
			   stream: (OFStream *)stream
			 encoding: (of_string_encoding_t)encoding
{
	self = [super init];

	@try {
		uint32_t date;

		_compressionMethod = [[OFString alloc]
		    initWithCString: header + 2
			   encoding: OF_STRING_ENCODING_ASCII
			     length: 5];

		memcpy(&_compressedSize, header + 7, 4);
		_compressedSize = OF_BSWAP32_IF_BE(_compressedSize);

		memcpy(&_uncompressedSize, header + 11, 4);
		_uncompressedSize = OF_BSWAP32_IF_BE(_uncompressedSize);

- (OFArray OF_GENERIC(OFData *) *)extensions
{
	return _extensions;
}

- (void)of_writeToStream: (OFStream *)stream
		encoding: (of_string_encoding_t)encoding
{
	void *pool = objc_autoreleasePoolPush();
	OFMutableData *data = [OFMutableData dataWithCapacity: 24];
	const char *fileName, *directoryName;
	size_t fileNameLength, directoryNameLength;
	uint16_t tmp16;
	uint32_t tmp32;
	size_t headerSize;

	if ([_compressionMethod cStringLengthWithEncoding:
	    OF_STRING_ENCODING_ASCII] != 5)
		@throw [OFInvalidArgumentException exception];

	getFileNameAndDirectoryName(self, encoding, &fileName, &fileNameLength,
	    &directoryName, &directoryNameLength);

	if (fileNameLength > UINT16_MAX - 3 ||
	    directoryNameLength > UINT16_MAX - 3)
		@throw [OFOutOfRangeException exception];

	/* Length. Filled in after we're done. */
	[data increaseCountBy: 2];

	[data addItems: [_compressionMethod
			    cStringWithEncoding: OF_STRING_ENCODING_ASCII]
		 count: 5];

	tmp32 = OF_BSWAP32_IF_BE(_compressedSize);
	[data addItems: &tmp32 count: sizeof(tmp32)];

	tmp32 = OF_BSWAP32_IF_BE(_uncompressedSize);
	[data addItems: &tmp32 count: sizeof(tmp32)];

		objc_autoreleasePoolPop(pool);
	}

	return element;
}

- (int)countByEnumeratingWithState: (of_fast_enumeration_state_t *)state
			   objects: (id *)objects
			     count: (int)count
{
	of_list_object_t *listObject;

	memcpy(&listObject, state->extra, sizeof(listObject));

 *
 * @brief A class for querying the locale and retrieving localized strings.
 */
OF_SUBCLASSING_RESTRICTED
@interface OFLocale: OFObject
{
	OFString *_Nullable _language, *_Nullable _territory;
	of_string_encoding_t _encoding;
	OFString *_decimalPoint;
	OFMutableArray OF_GENERIC(OFDictionary OF_GENERIC(OFString *, id) *)
	    *_localizedStrings;
}

#ifdef OF_HAVE_CLASS_PROPERTIES
@property (class, readonly, nullable, nonatomic) OFLocale *currentLocale;
@property (class, readonly, nullable, nonatomic) OFString *language;
@property (class, readonly, nullable, nonatomic) OFString *territory;
@property (class, readonly, nonatomic) of_string_encoding_t encoding;
@property (class, readonly, nullable, nonatomic) OFString *decimalPoint;
#endif

/**
 * @brief The language of the locale for messages.
 *
 * If the language is unknown, it is `nil`.

 * @brief The native 8-bit string encoding of the locale for messages.
 *
 * This is useful to encode strings correctly for passing them to operating
 * system calls.
 *
 * If the native 8-bit encoding is unknown, UTF-8 is assumed.
 */
@property (readonly, nonatomic) of_string_encoding_t encoding;

/**
 * @brief The decimal point of the system's locale.
 */
@property (readonly, nonatomic) OFString *decimalPoint;

/**

 * This is useful to encode strings correctly for passing them to operating
 * system calls.
 *
 * If the native 8-bit encoding is unknown, UTF-8 is assumed.
 *
 * @return The native 8-bit string encoding for the locale
 */
+ (of_string_encoding_t)encoding;

/**
 * @brief Returns the decimal point of the system's locale.
 *
 * @return The decimal point of the system's locale
 */
+ (nullable OFString *)decimalPoint;

#endif

static OFLocale *currentLocale = nil;
static OFDictionary *operatorPrecedences = nil;

#ifndef OF_AMIGAOS
static void
parseLocale(char *locale, of_string_encoding_t *encoding,
    OFString **language, OFString **territory)
{
	if ((locale = of_strdup(locale)) == NULL)
		return;

	@try {
		const of_string_encoding_t enc = OF_STRING_ENCODING_ASCII;
		char *tmp;

		/* We don't care for extras behind the @ */
		if ((tmp = strrchr(locale, '@')) != NULL)
			*tmp = '\0';

		/* Encoding */
		if ((tmp = strrchr(locale, '.')) != NULL) {
			*tmp++ = '\0';

			@try {
				if (encoding != NULL)
					*encoding = of_string_parse_encoding(
					    [OFString stringWithCString: tmp
							       encoding: enc]);
			} @catch (OFInvalidArgumentException *e) {
			}
		}

		/* Territory */

	[condition replaceOccurrencesOfString: @")" withString: @" )"];

	/* Substitute variables and convert to RPN first */
	tokens = [OFMutableArray array];
	operators = [OFMutableArray array];
	for (OFString *token in [condition
	    componentsSeparatedByString: @" "
				options: OF_STRING_SKIP_EMPTY]) {
		unsigned precedence;
		of_unichar_t c;

		if ([token isEqual: @"("]) {
			[operators addObject: @"("];
			continue;
		}

		if ([token isEqual: @")"]) {

				var = [OFNumber numberWithBool:
				    [first isEqual: second]];
			else if ([token isEqual: @"!="])
				var = [OFNumber numberWithBool:
				    ![first isEqual: second]];
			else if ([token isEqual: @"<"])
				var = [OFNumber numberWithBool: [first
				    compare: second] == OF_ORDERED_ASCENDING];
			else if ([token isEqual: @"<="])
				var = [OFNumber numberWithBool: [first
				    compare: second] != OF_ORDERED_DESCENDING];
			else if ([token isEqual: @">"])
				var = [OFNumber numberWithBool: [first
				    compare: second] == OF_ORDERED_DESCENDING];
			else if ([token isEqual: @">="])
				var = [OFNumber numberWithBool: [first
				    compare: second] != OF_ORDERED_ASCENDING];
			else if ([token isEqual: @"+"])
				var = [OFNumber numberWithDouble:
				    [first doubleValue] + [second doubleValue]];
			else if ([token isEqual: @"%"])
				var = [OFNumber numberWithLongLong:
				    [first longLongValue] %
				    [second longLongValue]];

}

+ (OFString *)territory
{
	return currentLocale.territory;
}

+ (of_string_encoding_t)encoding
{
	return currentLocale.encoding;
}

+ (OFString *)decimalPoint
{
	return currentLocale.decimalPoint;

#ifndef OF_AMIGAOS
		char *locale, *messagesLocale = NULL;

		if (currentLocale != nil)
			@throw [OFInitializationFailedException
			    exceptionWithClass: self.class];

		_encoding = OF_STRING_ENCODING_UTF_8;
		_decimalPoint = @".";
		_localizedStrings = [[OFMutableArray alloc] init];

		if ((locale = setlocale(LC_ALL, "")) != NULL)
			_decimalPoint = [[OFString alloc]
			    initWithCString: localeconv()->decimal_point
				   encoding: _encoding];

# if defined(OF_MORPHOS)
		if (GetVar("CODEPAGE", buffer, sizeof(buffer), 0) > 0) {
# elif defined(OF_AMIGAOS4)
		if (GetVar("Charset", buffer, sizeof(buffer), 0) > 0) {
# else
		if (0) {
# endif
			of_string_encoding_t ASCII = OF_STRING_ENCODING_ASCII;

			@try {
				_encoding = of_string_parse_encoding(
				    [OFString stringWithCString: buffer
						       encoding: ASCII]);
			} @catch (OFInvalidArgumentException *e) {
				_encoding = OF_STRING_ENCODING_ISO_8859_1;
			}
		} else
			_encoding = OF_STRING_ENCODING_ISO_8859_1;

		/*
		 * Get it via localeconv() instead of from the Locale struct,
		 * to make sure we and printf etc. have the same expectations.
		 */
		_decimalPoint = [[OFString alloc]
		    initWithCString: localeconv()->decimal_point

	return [[[OFMapTableObjectEnumerator alloc]
	    of_initWithMapTable: self
			buckets: _buckets
		       capacity: _capacity
	       mutationsPointer: &_mutations] autorelease];
}

- (int)countByEnumeratingWithState: (of_fast_enumeration_state_t *)state
			   objects: (id *)objects
			     count: (int)count
{
	unsigned long j = state->state;
	int i;

	for (i = 0; i < count; i++) {

- (OFEnumerator *)objectEnumerator
{
	return [[[OFMapTableEnumeratorWrapper alloc]
	    initWithEnumerator: [_mapTable objectEnumerator]
			object: self] autorelease];
}

- (int)countByEnumeratingWithState: (of_fast_enumeration_state_t *)state
			   objects: (id *)objects
			     count: (int)count
{
	return [_mapTable countByEnumeratingWithState: state
					      objects: objects
						count: count];
}

- (OFEnumerator *)objectEnumerator
{
	return [[[OFMapTableEnumeratorWrapper alloc]
	    initWithEnumerator: [_mapTable keyEnumerator]
			object: self] autorelease];
}

- (int)countByEnumeratingWithState: (of_fast_enumeration_state_t *)state
			   objects: (id *)objects
			     count: (int)count
{
	return [_mapTable countByEnumeratingWithState: state
					      objects: objects
						count: count];
}

	for (size_t i = 0; i < count; i++)
		[objects[i] release];

	[_array removeAllItems];
}

- (void)removeObjectsInRange: (of_range_t)range
{
	id const *objects = _array.items;
	size_t count = _array.count;
	id *copy;

	if (range.length > SIZE_MAX - range.location ||
	    range.location >= count || range.length > count - range.location)

	for (i = 0, j = count - 1; i < j; i++, j--) {
		id tmp = objects[i];
		objects[i] = objects[j];
		objects[j] = tmp;
	}
}

- (int)countByEnumeratingWithState: (of_fast_enumeration_state_t *)state
			   objects: (id *)objects
			     count: (int)count_
{
	size_t count = _array.count;

	if (count > INT_MAX) {
		/*

{
	return [[[OFArrayEnumerator alloc]
	    initWithArray: self
	     mutationsPtr: &_mutations] autorelease];
}

#ifdef OF_HAVE_BLOCKS
- (void)enumerateObjectsUsingBlock: (of_array_enumeration_block_t)block
{
	id const *objects = _array.items;
	size_t count = _array.count;
	bool stop = false;
	unsigned long mutations = _mutations;

	for (size_t i = 0; i < count && !stop; i++) {
		if (_mutations != mutations)
			@throw [OFEnumerationMutationException
			    exceptionWithObject: self];

		block(objects[i], i, &stop);
	}
}

- (void)replaceObjectsUsingBlock: (of_array_replace_block_t)block
{
	id *objects = _array.mutableItems;
	size_t count = _array.count;
	unsigned long mutations = _mutations;

	for (size_t i = 0; i < count; i++) {
		id new;

/**
 * @brief A block for replacing values in an OFMutableArray.
 *
 * @param object The object to replace
 * @param index The index of the object to replace
 * @return The object to replace the object with
 */
typedef id _Nonnull (^of_array_replace_block_t)(id object, size_t index);
#endif

/**
 * @class OFMutableArray OFArray.h ObjFW/OFArray.h
 *
 * @brief An abstract class for storing, adding and removing objects in an
 *	  array.

- (void)removeObjectAtIndex: (size_t)index;

/**
 * @brief Removes the object in the specified range.
 *
 * @param range The range of the objects to remove
 */
- (void)removeObjectsInRange: (of_range_t)range;

/**
 * @brief Removes the last object.
 */
- (void)removeLastObject;

/**
 * @brief Removes all objects.
 */
- (void)removeAllObjects;

#ifdef OF_HAVE_BLOCKS
/**
 * @brief Replaces each object with the object returned by the block.
 *
 * @param block The block which returns a new object for each object
 */
- (void)replaceObjectsUsingBlock: (of_array_replace_block_t)block;
#endif

/**
 * @brief Exchange the objects at the specified indices.
 *
 * @param index1 The index of the first object to exchange
 * @param index2 The index of the second object to exchange
 */
- (void)exchangeObjectAtIndex: (size_t)index1 withObjectAtIndex: (size_t)index2;

/**
 * @brief Sorts the array in ascending order.
 */
- (void)sort;

/**
 * @brief Sorts the array using the specified selector and options.
 *
 * @param selector The selector to use to sort the array. It's signature
 *		   should be the same as that of -[compare:].
 * @param options The options to use when sorting the array.@n
 *		  Possible values are:
 *		  Value                      | Description
 *		  ---------------------------|-------------------------
 *		  `OF_ARRAY_SORT_DESCENDING` | Sort in descending order
 */
- (void)sortUsingSelector: (SEL)selector options: (int)options;

#ifdef OF_HAVE_BLOCKS
/**
 * @brief Sorts the array using the specified comparator and options.
 *
 * @param comparator The comparator to use to sort the array
 * @param options The options to use when sorting the array.@n
 *		  Possible values are:
 *		  Value                      | Description
 *		  ---------------------------|-------------------------
 *		  `OF_ARRAY_SORT_DESCENDING` | Sort in descending order
 */
- (void)sortUsingComparator: (of_comparator_t)comparator options: (int)options;

#endif

/**
 * @brief Reverts the order of the objects in the array.
 */
- (void)reverse;

static struct {
	Class isa;
} placeholder;

@interface OFMutableArrayPlaceholder: OFMutableArray
@end

static of_comparison_result_t
compare(id left, id right, SEL selector)
{
	of_comparison_result_t (*comparator)(id, SEL, id) =
	    (of_comparison_result_t (*)(id, SEL, id))
	    [left methodForSelector: selector];

	return comparator(left, selector, right);
}

static void
quicksort(OFMutableArray *array, size_t left, size_t right, SEL selector,
    int options)
{
	of_comparison_result_t ascending, descending;

	if (options & OF_ARRAY_SORT_DESCENDING) {
		ascending = OF_ORDERED_DESCENDING;
		descending = OF_ORDERED_ASCENDING;
	} else {
		ascending = OF_ORDERED_ASCENDING;
		descending = OF_ORDERED_DESCENDING;
	}

	while (left < right) {
		size_t i = left;
		size_t j = right - 1;
		id pivot = [array objectAtIndex: right];

		left = i + 1;
	}
}

#ifdef OF_HAVE_BLOCKS
static void
quicksortWithBlock(OFMutableArray *array, size_t left, size_t right,
    of_comparator_t comparator, int options)
{
	of_comparison_result_t ascending, descending;

	if (options & OF_ARRAY_SORT_DESCENDING) {
		ascending = OF_ORDERED_DESCENDING;
		descending = OF_ORDERED_ASCENDING;
	} else {
		ascending = OF_ORDERED_ASCENDING;
		descending = OF_ORDERED_DESCENDING;
	}

	while (left < right) {
		size_t i = left;
		size_t j = right - 1;
		id pivot = [array objectAtIndex: right];

			[self removeObjectAtIndex: i];

			return;
		}
	}
}

- (void)removeObjectsInRange: (of_range_t)range
{
	for (size_t i = 0; i < range.length; i++)
		[self removeObjectAtIndex: range.location];
}

- (void)removeLastObject
{
	size_t count = self.count;

	if (count == 0)
		return;

	[self removeObjectAtIndex: count - 1];
}

- (void)removeAllObjects
{
	[self removeObjectsInRange: of_range(0, self.count)];
}

#ifdef OF_HAVE_BLOCKS
- (void)replaceObjectsUsingBlock: (of_array_replace_block_t)block
{
	[self enumerateObjectsUsingBlock: ^ (id object, size_t idx,
	    bool *stop) {
		id new = block(object, idx);

		if (new != object)
			[self replaceObjectAtIndex: idx withObject: new];

- (void)sort
{
	[self sortUsingSelector: @selector(compare:) options: 0];
}

- (void)sortUsingSelector: (SEL)selector
		  options: (int)options
{
	size_t count = self.count;

	if (count == 0 || count == 1)
		return;

	quicksort(self, 0, count - 1, selector, options);
}

#ifdef OF_HAVE_BLOCKS
- (void)sortUsingComparator: (of_comparator_t)comparator options: (int)options

{
	size_t count = self.count;

	if (count == 0 || count == 1)
		return;

	quicksortWithBlock(self, 0, count - 1, comparator, options);

- (void)removeItemAtIndex: (size_t)index;

/**
 * @brief Removes the specified amount of items at the specified index.
 *
 * @param range The range of items to remove
 */
- (void)removeItemsInRange: (of_range_t)range;

/**
 * @brief Removes the last item.
 */
- (void)removeLastItem;

/**

{
	if (_items == NULL || _count == 0)
		return NULL;

	return _items + (_count - 1) * _itemSize;
}

- (OFData *)subdataWithRange: (of_range_t)range
{
	if (range.length > SIZE_MAX - range.location ||
	    range.location + range.length > _count)
		@throw [OFOutOfRangeException exception];

	return [OFData dataWithItems: _items + (range.location * _itemSize)
			       count: range.length

	memset(_items + _count * _itemSize, '\0', count * _itemSize);
	_count += count;
}

- (void)removeItemAtIndex: (size_t)idx
{
	[self removeItemsInRange: of_range(idx, 1)];
}

- (void)removeItemsInRange: (of_range_t)range
{
	if (range.length > SIZE_MAX - range.location ||
	    range.location + range.length > _count)
		@throw [OFOutOfRangeException exception];

	memmove(_items + range.location * _itemSize,
	    _items + (range.location + range.length) * _itemSize,

@interface OFMutableString: OFString
/**
 * @brief Sets the character at the specified index.
 *
 * @param character The character to set
 * @param index The index where to set the character
 */
- (void)setCharacter: (of_unichar_t)character atIndex: (size_t)index;

/**
 * @brief Appends another OFString to the OFMutableString.
 *
 * @param string An OFString to append
 */
- (void)appendString: (OFString *)string;

/**
 * @brief Appends the specified characters to the OFMutableString.
 *
 * @param characters An array of characters to append
 * @param length The length of the array of characters
 */
- (void)appendCharacters: (const of_unichar_t *)characters
		  length: (size_t)length;

/**
 * @brief Appends a UTF-8 encoded C string to the OFMutableString.
 *
 * @param UTF8String A UTF-8 encoded C string to append
 */
- (void)appendUTF8String: (const char *)UTF8String;

/**
 * @brief Appends a C string with the specified encoding to the OFMutableString.
 *
 * @param cString A C string to append
 * @param encoding The encoding of the C string
 */
- (void)appendCString: (const char *)cString
	     encoding: (of_string_encoding_t)encoding;

/**
 * @brief Appends a C string with the specified encoding and length to the
 *	  OFMutableString.
 *
 * @param cString A C string to append
 * @param encoding The encoding of the C string
 * @param cStringLength The length of the UTF-8 encoded C string
 */
- (void)appendCString: (const char *)cString
	     encoding: (of_string_encoding_t)encoding
	       length: (size_t)cStringLength;

/**
 * @brief Appends a formatted string to the OFMutableString.
 *
 * See `printf` for the format syntax. As an addition, `%@` is available as
 * format specifier for objects, `%C` for `of_unichar_t` and `%S` for
 * `const of_unichar_t *`.
 *
 * @param format A format string which generates the string to append
 */
- (void)appendFormat: (OFConstantString *)format, ...;

/**
 * @brief Appends a formatted string to the OFMutableString.
 *
 * See printf for the format syntax. As an addition, `%@` is available as
 * format specifier for objects, `%C` for `of_unichar_t` and `%S` for
 * `const of_unichar_t *`.
 *
 * @param format A format string which generates the string to append
 * @param arguments The arguments used in the format string
 */
- (void)appendFormat: (OFConstantString *)format arguments: (va_list)arguments;

/**

- (void)insertString: (OFString *)string atIndex: (size_t)index;

/**
 * @brief Deletes the characters at the specified range.
 *
 * @param range The range of the characters which should be removed
 */
- (void)deleteCharactersInRange: (of_range_t)range;

/**
 * @brief Replaces the characters at the specified range.
 *
 * @param range The range of the characters which should be replaced
 * @param replacement The string to the replace the characters with
 */
- (void)replaceCharactersInRange: (of_range_t)range
		      withString: (OFString *)replacement;

/**
 * @brief Replaces all occurrences of a string with another string.
 *
 * @param string The string to replace
 * @param replacement The string with which it should be replaced

 * @param options Options modifying search behaviour
 *		  Possible values: None yet
 * @param range The range in which the string should be replaced
 */
- (void)replaceOccurrencesOfString: (OFString *)string
			withString: (OFString *)replacement
			   options: (int)options
			     range: (of_range_t)range;

/**
 * @brief Deletes all whitespaces at the beginning of the string.
 */
- (void)deleteLeadingWhitespaces;

/**

{
	return (id)[[OFMutableUTF8String alloc]
	    initWithUTF8String: UTF8String
			length: UTF8StringLength];
}

- (instancetype)initWithCString: (const char *)cString
		       encoding: (of_string_encoding_t)encoding
{
	return (id)[[OFMutableUTF8String alloc] initWithCString: cString
						       encoding: encoding];
}

- (instancetype)initWithCString: (const char *)cString
		       encoding: (of_string_encoding_t)encoding
			 length: (size_t)cStringLength
{
	return (id)[[OFMutableUTF8String alloc] initWithCString: cString
						       encoding: encoding
							 length: cStringLength];
}

- (instancetype)initWithString: (OFString *)string
{
	return (id)[[OFMutableUTF8String alloc] initWithString: string];
}

- (instancetype)initWithCharacters: (const of_unichar_t *)characters
			    length: (size_t)length
{
	return (id)[[OFMutableUTF8String alloc] initWithCharacters: characters
							    length: length];
}

- (instancetype)initWithUTF16String: (const of_char16_t *)string
{
	return (id)[[OFMutableUTF8String alloc] initWithUTF16String: string];
}

- (instancetype)initWithUTF16String: (const of_char16_t *)string
			     length: (size_t)length
{
	return (id)[[OFMutableUTF8String alloc] initWithUTF16String: string
							      length: length];
}

- (instancetype)initWithUTF16String: (const of_char16_t *)string
			  byteOrder: (of_byte_order_t)byteOrder
{
	return (id)[[OFMutableUTF8String alloc] initWithUTF16String: string
							  byteOrder: byteOrder];
}

- (instancetype)initWithUTF16String: (const of_char16_t *)string
			     length: (size_t)length
			  byteOrder: (of_byte_order_t)byteOrder
{
	return (id)[[OFMutableUTF8String alloc] initWithUTF16String: string
							     length: length
							  byteOrder: byteOrder];
}

- (instancetype)initWithUTF32String: (const of_char32_t *)string
{
	return (id)[[OFMutableUTF8String alloc] initWithUTF32String: string];
}

- (instancetype)initWithUTF32String: (const of_char32_t *)string
			     length: (size_t)length
{
	return (id)[[OFMutableUTF8String alloc] initWithUTF32String: string
							     length: length];
}

- (instancetype)initWithUTF32String: (const of_char32_t *)string
			  byteOrder: (of_byte_order_t)byteOrder
{
	return (id)[[OFMutableUTF8String alloc] initWithUTF32String: string
							  byteOrder: byteOrder];
}

- (instancetype)initWithUTF32String: (const of_char32_t *)string
			     length: (size_t)length
			  byteOrder: (of_byte_order_t)byteOrder
{
	return (id)[[OFMutableUTF8String alloc] initWithUTF32String: string
							     length: length
							  byteOrder: byteOrder];
}

- (instancetype)initWithFormat: (OFConstantString *)format, ...

#ifdef OF_HAVE_FILES
- (instancetype)initWithContentsOfFile: (OFString *)path
{
	return (id)[[OFMutableUTF8String alloc] initWithContentsOfFile: path];
}

- (instancetype)initWithContentsOfFile: (OFString *)path
			      encoding: (of_string_encoding_t)encoding
{
	return (id)[[OFMutableUTF8String alloc]
	    initWithContentsOfFile: path
			  encoding: encoding];
}
#endif

- (instancetype)initWithContentsOfURL: (OFURL *)URL
{
	return (id)[[OFMutableUTF8String alloc] initWithContentsOfURL: URL];
}

- (instancetype)initWithContentsOfURL: (OFURL *)URL
			     encoding: (of_string_encoding_t)encoding
{
	return (id)[[OFMutableUTF8String alloc]
	    initWithContentsOfURL: URL
			 encoding: encoding];
}

- (instancetype)initWithSerialization: (OFXMLElement *)element