/*
* 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 "OFSubdata.h"
@implementation OFSubdata
- (instancetype)initWithData: (OFData *)data range: (OFRange)range
{
self = [super init];
@try {
/* Should usually be retain, as it's useless with a copy */
_data = [data copy];
_range = range;
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
[_data release];
[super dealloc];
}
- (size_t)count
{
return _range.length;
}
- (size_t)itemSize
{
return _data.itemSize;
}
- (const void *)items
{
return (const unsigned char *)_data.items +
(_range.location * _data.itemSize);
}
@end