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c = isa;
[super free];
@throw [OFInvalidArgumentException newWithClass: c];
}
data = NULL;
itemsize = is;
items = 0;
count = 0;
return self;
}
- (size_t)items
- (size_t)count
{
return items;
return count;
}
- (size_t)itemsize
{
return itemsize;
}
- (void*)data
{
return data;
}
- (void*)item: (size_t)index
{
if (index >= items)
if (index >= count)
@throw [OFOutOfRangeException newWithClass: isa];
return data + index * itemsize;
}
- (void*)last
{
return data + (items - 1) * itemsize;
return data + (count - 1) * itemsize;
}
- add: (void*)item
{
if (SIZE_MAX - items < 1)
if (SIZE_MAX - count < 1)
@throw [OFOutOfRangeException newWithClass: isa];
data = [self resizeMem: data
toNItems: items + 1
toNItems: count + 1
withSize: itemsize];
memcpy(data + items++ * itemsize, item, itemsize);
memcpy(data + count++ * itemsize, item, itemsize);
return self;
}
- addNItems: (size_t)nitems
fromCArray: (void*)carray
{
if (nitems > SIZE_MAX - items)
if (nitems > SIZE_MAX - count)
@throw [OFOutOfRangeException newWithClass: isa];
data = [self resizeMem: data
toNItems: items + nitems
toNItems: count + nitems
withSize: itemsize];
memcpy(data + items * itemsize, carray, nitems * itemsize);
items += nitems;
memcpy(data + count * itemsize, carray, nitems * itemsize);
count += nitems;
return self;
}
- removeNItems: (size_t)nitems
{
if (nitems > items)
if (nitems > count)
@throw [OFOutOfRangeException newWithClass: isa];
data = [self resizeMem: data
toNItems: items - nitems
toNItems: count - nitems
withSize: itemsize];
items -= nitems;
count -= nitems;
return self;
}
- (id)copy
{
OFDataArray *new = [OFDataArray dataArrayWithItemSize: itemsize];
[new addNItems: items
[new addNItems: count
fromCArray: data];
return new;
}
- (BOOL)isEqual: (id)obj
{
if (![obj isKindOf: [OFDataArray class]])
return NO;
if ([obj items] != items || [obj itemsize] != itemsize)
if ([obj count] != count || [obj itemsize] != itemsize)
return NO;
if (memcmp([obj data], data, items * itemsize))
if (memcmp([obj data], data, count * itemsize))
return NO;
return YES;
}
- (int)compare: (id)obj
{
int ret;
if (![obj isKindOf: [OFDataArray class]])
@throw [OFInvalidArgumentException newWithClass: isa
andSelector: _cmd];
if ([obj itemsize] != itemsize)
@throw [OFInvalidArgumentException newWithClass: isa
andSelector: _cmd];
if ([obj items] == items)
return memcmp(data, [obj data], items * itemsize);
if ([obj count] == count)
return memcmp(data, [obj data], count * itemsize);
if (items > [obj items]) {
if ((ret = memcmp(data, [obj data], [obj items] * itemsize)))
if (count > [obj count]) {
if ((ret = memcmp(data, [obj data], [obj count] * itemsize)))
return ret;
return *(char*)[self item: [obj items]];
return *(char*)[self item: [obj count]];
} else {
if ((ret = memcmp(data, [obj data], items * itemsize)))
if ((ret = memcmp(data, [obj data], count * itemsize)))
return ret;
return *(char*)[obj item: [self items]] * -1;
return *(char*)[obj item: count] * -1;
}
}
- (uint32_t)hash
{
uint32_t hash;
size_t i;
OF_HASH_INIT(hash);
for (i = 0; i < items * itemsize; i++)
for (i = 0; i < count * itemsize; i++)
OF_HASH_ADD(hash, ((char*)data)[i]);
OF_HASH_FINALIZE(hash);
return hash;
}
@end
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return self;
}
- add: (void*)item
{
size_t nsize;
if (SIZE_MAX - items < 1 || items + 1 > SIZE_MAX / itemsize)
if (SIZE_MAX - count < 1 || count + 1 > SIZE_MAX / itemsize)
@throw [OFOutOfRangeException newWithClass: isa];
nsize = ((items + 1) * itemsize + lastpagebyte) & ~lastpagebyte;
nsize = ((count + 1) * itemsize + lastpagebyte) & ~lastpagebyte;
if (size != nsize)
data = [self resizeMem: data
toSize: nsize];
memcpy(data + items++ * itemsize, item, itemsize);
memcpy(data + count++ * itemsize, item, itemsize);
size = nsize;
return self;
}
- addNItems: (size_t)nitems
fromCArray: (void*)carray
{
size_t nsize;
if (nitems > SIZE_MAX - items || items + nitems > SIZE_MAX / itemsize)
if (nitems > SIZE_MAX - count || count + nitems > SIZE_MAX / itemsize)
@throw [OFOutOfRangeException newWithClass: isa];
nsize = ((items + nitems) * itemsize + lastpagebyte) & ~lastpagebyte;
nsize = ((count + nitems) * itemsize + lastpagebyte) & ~lastpagebyte;
if (size != nsize)
data = [self resizeMem: data
toSize: nsize];
memcpy(data + items * itemsize, carray, nitems * itemsize);
items += nitems;
memcpy(data + count * itemsize, carray, nitems * itemsize);
count += nitems;
size = nsize;
return self;
}
- removeNItems: (size_t)nitems
{
size_t nsize;
if (nitems > items)
if (nitems > count)
@throw [OFOutOfRangeException newWithClass: isa];
nsize = ((items - nitems) * itemsize + lastpagebyte) & ~lastpagebyte;
nsize = ((count - nitems) * itemsize + lastpagebyte) & ~lastpagebyte;
if (size != nsize)
data = [self resizeMem: data
toSize: nsize];
items -= nitems;
count -= nitems;
size = nsize;
return self;
}
- (id)copy
{
OFDataArray *new = [OFDataArray bigDataArrayWithItemSize: itemsize];
[new addNItems: items
[new addNItems: count
fromCArray: data];
return new;
}
@end
|