ObjFW  OFInvertedCharacterSet.m at trunk

File src/OFInvertedCharacterSet.m artifact 0fc19a0bd8 on branch trunk

/*
 * Copyright (c) 2008-2024 Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version 3.0 only,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
 * version 3.0 for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3.0 along with this program. If not, see
 * <https://www.gnu.org/licenses/>.
 */

#include "config.h"

#import "OFInvertedCharacterSet.h"
#import "OFString.h"

#import "OFOutOfRangeException.h"

@implementation OFInvertedCharacterSet
- (instancetype)init
{
	OF_INVALID_INIT_METHOD
}

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

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

	return self;
}

- (void)dealloc
{
	[_characterSet release];

	[super dealloc];
}

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

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