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- (instancetype)initWithCharactersInString: (OFString *)string
{
self = [super init];
@try {
void *pool = objc_autoreleasePoolPush();
const of_unichar_t *characters = string.characters;
size_t length = string.length;
for (size_t i = 0; i < length; i++) {
of_unichar_t c = characters[i];
if (c / CHAR_BIT >= _size) {
size_t newSize;
if (UINT32_MAX - c < 1)
@throw [OFOutOfRangeException
exception];
newSize = OF_ROUND_UP_POW2(CHAR_BIT, c + 1) /
CHAR_BIT;
_bitset = of_realloc(_bitset, newSize, 1);
memset(_bitset + _size, '\0', newSize - _size);
_size = newSize;
}
of_bitset_set(_bitset, c);
}
objc_autoreleasePoolPop(pool);
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
free(_bitset);
[super dealloc];
}
- (bool)characterIsMember: (of_unichar_t)character
{
if (character / CHAR_BIT >= _size)
return false;
return of_bitset_isset(_bitset, character);
}
@end
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- (instancetype)initWithCharactersInString: (OFString *)string
{
self = [super init];
@try {
void *pool = objc_autoreleasePoolPush();
const OFUnichar *characters = string.characters;
size_t length = string.length;
for (size_t i = 0; i < length; i++) {
OFUnichar c = characters[i];
if (c / CHAR_BIT >= _size) {
size_t newSize;
if (UINT32_MAX - c < 1)
@throw [OFOutOfRangeException
exception];
newSize = OFRoundUpToPowerOf2(CHAR_BIT, c + 1) /
CHAR_BIT;
_bitset = OFResizeMemory(_bitset, newSize, 1);
memset(_bitset + _size, '\0', newSize - _size);
_size = newSize;
}
OFBitsetSet(_bitset, c);
}
objc_autoreleasePoolPop(pool);
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
OFFreeMemory(_bitset);
[super dealloc];
}
- (bool)characterIsMember: (OFUnichar)character
{
if (character / CHAR_BIT >= _size)
return false;
return OFBitsetIsSet(_bitset, character);
}
@end
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