ObjFW  OFRangeCharacterSet.m at trunk

File src/OFRangeCharacterSet.m artifact 1e2167cae0 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 "OFRangeCharacterSet.h"
#import "OFString.h"

#import "OFOutOfRangeException.h"

@implementation OFRangeCharacterSet
- (instancetype)init
{
	OF_INVALID_INIT_METHOD
}

- (instancetype)initWithRange: (OFRange)range
{
	self = [super init];

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

		_range = range;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (bool)characterIsMember: (OFUnichar)character
{
	return (character >= _range.location &&
	    character < _range.location + _range.length);
}
@end