ObjFW  Diff

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 * Copyright (c) 2008-2022 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.
 *

{
	void *pool = objc_autoreleasePoolPush();
	OFString *ret, *fileName;
	size_t pos;

	fileName = self.lastPathComponent;
	pos = [fileName rangeOfString: @"."
			      options: OF_STRING_SEARCH_BACKWARDS].location;
	if (pos == OF_NOT_FOUND || pos == 0) {
			      options: OFStringSearchBackwards].location;
	if (pos == OFNotFound || pos == 0) {
		objc_autoreleasePoolPop(pool);
		return @"";
	}

	ret = [fileName substringFromIndex: pos + 1];

	[ret retain];

		return [[self copy] autorelease];

	pool = objc_autoreleasePoolPush();
	components = [[self.pathComponents mutableCopy] autorelease];
	fileName = components.lastObject;

	pos = [fileName rangeOfString: @"."
			      options: OF_STRING_SEARCH_BACKWARDS].location;
	if (pos == OF_NOT_FOUND || pos == 0) {
			      options: OFStringSearchBackwards].location;
	if (pos == OFNotFound || pos == 0) {
		objc_autoreleasePoolPop(pool);
		return [[self copy] autorelease];
	}

	fileName = [fileName substringToIndex: pos];
	[components replaceObjectAtIndex: [components count] - 1
			      withObject: fileName];

				done = false;
				break;
			}

			if ([component isEqual: @".."] &&
			    parent != nil && ![parent isEqual: @".."]) {
				[array removeObjectsInRange:
				    of_range(i - 1, 2)];
				    OFRangeMake(i - 1, 2)];

				done = false;
				break;
			}
		}
	}

	if (startsWithSlash)
		[array insertObject: @""
		[array insertObject: @"" atIndex: 0];
			    atIndex: 0];

	if ([self hasSuffix: @"/"])
		[array addObject: @""];

	ret = [[array componentsJoinedByString: @"/"] retain];

	objc_autoreleasePoolPop(pool);