/*
* 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"
#include <limits.h>
#include <string.h>
#import "OFConcreteData.h"
#import "OFInvalidArgumentException.h"
#import "OFOutOfRangeException.h"
@implementation OFConcreteData
- (instancetype)init
{
return [self initWithItemSize: 1];
}
- (instancetype)initWithItemSize: (size_t)itemSize
{
self = [super init];
@try {
if (itemSize == 0)
@throw [OFInvalidArgumentException exception];
_itemSize = itemSize;
_freeWhenDone = true;
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (instancetype)initWithItems: (const void *)items
count: (size_t)count
itemSize: (size_t)itemSize
{
self = [super init];
@try {
if (itemSize == 0)
@throw [OFInvalidArgumentException exception];
_items = OFAllocMemory(count, itemSize);
_capacity = _count = count;
_itemSize = itemSize;
_freeWhenDone = true;
memcpy(_items, items, count * itemSize);
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (instancetype)initWithItemsNoCopy: (void *)items
count: (size_t)count
itemSize: (size_t)itemSize
freeWhenDone: (bool)freeWhenDone
{
self = [super init];
@try {
if (itemSize == 0)
@throw [OFInvalidArgumentException exception];
_items = (unsigned char *)items;
_capacity = _count = count;
_itemSize = itemSize;
_freeWhenDone = freeWhenDone;
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
if (_freeWhenDone)
OFFreeMemory(_items);
[super dealloc];
}
- (size_t)count
{
return _count;
}
- (size_t)itemSize
{
return _itemSize;
}
- (const void *)items
{
return _items;
}
@end