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#import "OFList.h"
#import "OFString.h"
#import "OFXMLElement.h"
#import "OFArray.h"
#import "OFEnumerationMutationException.h"
#import "OFInvalidArgumentException.h"
struct OFListItem {
OFListItem previous, next;
id object;
};
OF_DIRECT_MEMBERS
@interface OFListEnumerator: OFEnumerator
{
OFList *_list;
of_list_object_t *_Nullable _current;
OFListItem _Nullable _current;
unsigned long _mutations;
unsigned long *_Nullable _mutationsPtr;
}
- (instancetype)initWithList: (OFList *)list
mutationsPointer: (unsigned long *)mutationsPtr;
@end
OFListItem
OFListItemNext(OFListItem listItem)
{
return listItem->next;
}
OFListItem
OFListItemPrevious(OFListItem listItem)
{
return listItem->previous;
}
id
OFListItemObject(OFListItem listItem)
{
return listItem->object;
}
@implementation OFList
@synthesize firstListObject = _firstListObject;
@synthesize firstListItem = _firstListItem, lastListItem = _lastListItem;
@synthesize lastListObject = _lastListObject;
+ (instancetype)list
{
return [[[self alloc] init] autorelease];
}
- (instancetype)initWithSerialization: (OFXMLElement *)element
{
self = [self init];
@try {
void *pool = objc_autoreleasePoolPush();
if (![element.name isEqual: self.className] ||
![element.namespace isEqual: OF_SERIALIZATION_NS])
![element.namespace isEqual: OFSerializationNS])
@throw [OFInvalidArgumentException exception];
for (OFXMLElement *child in
[element elementsForNamespace: OF_SERIALIZATION_NS]) {
[element elementsForNamespace: OFSerializationNS]) {
void *pool2 = objc_autoreleasePoolPush();
[self appendObject: child.objectByDeserializing];
objc_autoreleasePoolPop(pool2);
}
objc_autoreleasePoolPop(pool);
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
of_list_object_t *next;
OFListItem next;
for (of_list_object_t *iter = _firstListObject;
iter != NULL; iter = next) {
for (OFListItem iter = _firstListItem; iter != NULL; iter = next) {
[iter->object release];
next = iter->next;
free(iter);
OFFreeMemory(iter);
}
[super dealloc];
}
- (of_list_object_t *)appendObject: (id)object
- (OFListItem)appendObject: (id)object
{
of_list_object_t *listObject;
OFListItem listItem = OFAllocMemory(1, sizeof(*listItem));
listObject = of_alloc(1, sizeof(of_list_object_t));
listObject->object = [object retain];
listObject->next = NULL;
listObject->previous = _lastListObject;
listItem->object = [object retain];
listItem->next = NULL;
listItem->previous = _lastListItem;
if (_lastListObject != NULL)
_lastListObject->next = listObject;
if (_lastListItem != NULL)
_lastListItem->next = listItem;
_lastListObject = listObject;
_lastListItem = listItem;
if (_firstListObject == NULL)
_firstListObject = listObject;
if (_firstListItem == NULL)
_firstListItem = listItem;
_count++;
_mutations++;
return listObject;
return listItem;
}
- (of_list_object_t *)prependObject: (id)object
- (OFListItem)prependObject: (id)object
{
of_list_object_t *listObject;
OFListItem listItem = OFAllocMemory(1, sizeof(*listItem));
listObject = of_alloc(1, sizeof(of_list_object_t));
listObject->object = [object retain];
listObject->next = _firstListObject;
listObject->previous = NULL;
listItem->object = [object retain];
listItem->next = _firstListItem;
listItem->previous = NULL;
if (_firstListObject != NULL)
_firstListObject->previous = listObject;
if (_firstListItem != NULL)
_firstListItem->previous = listItem;
_firstListObject = listObject;
if (_lastListObject == NULL)
_lastListObject = listObject;
_firstListItem = listItem;
if (_lastListItem == NULL)
_lastListItem = listItem;
_count++;
_mutations++;
return listObject;
return listItem;
}
- (of_list_object_t *)insertObject: (id)object
- (OFListItem)insertObject: (id)object beforeListItem: (OFListItem)listItem
beforeListObject: (of_list_object_t *)listObject
{
of_list_object_t *newListObject;
OFListItem newListItem = OFAllocMemory(1, sizeof(*newListItem));
newListObject = of_alloc(1, sizeof(of_list_object_t));
newListObject->object = [object retain];
newListObject->next = listObject;
newListObject->previous = listObject->previous;
newListItem->object = [object retain];
newListItem->next = listItem;
newListItem->previous = listItem->previous;
if (listObject->previous != NULL)
listObject->previous->next = newListObject;
if (listItem->previous != NULL)
listItem->previous->next = newListItem;
listObject->previous = newListObject;
listItem->previous = newListItem;
if (listObject == _firstListObject)
_firstListObject = newListObject;
if (listItem == _firstListItem)
_firstListItem = newListItem;
_count++;
_mutations++;
return newListObject;
return newListItem;
}
- (of_list_object_t *)insertObject: (id)object
- (OFListItem)insertObject: (id)object afterListItem: (OFListItem)listItem
afterListObject: (of_list_object_t *)listObject
{
of_list_object_t *newListObject;
OFListItem newListItem = OFAllocMemory(1, sizeof(*newListItem));
newListObject = of_alloc(1, sizeof(of_list_object_t));
newListObject->object = [object retain];
newListObject->next = listObject->next;
newListObject->previous = listObject;
newListItem->object = [object retain];
newListItem->next = listItem->next;
newListItem->previous = listItem;
if (listObject->next != NULL)
listObject->next->previous = newListObject;
if (listItem->next != NULL)
listItem->next->previous = newListItem;
listObject->next = newListObject;
listItem->next = newListItem;
if (listObject == _lastListObject)
_lastListObject = newListObject;
if (listItem == _lastListItem)
_lastListItem = newListItem;
_count++;
_mutations++;
return newListObject;
return newListItem;
}
- (void)removeListObject: (of_list_object_t *)listObject
- (void)removeListItem: (OFListItem)listItem
{
if (listObject->previous != NULL)
listObject->previous->next = listObject->next;
if (listObject->next != NULL)
listObject->next->previous = listObject->previous;
if (listItem->previous != NULL)
listItem->previous->next = listItem->next;
if (listItem->next != NULL)
listItem->next->previous = listItem->previous;
if (_firstListObject == listObject)
_firstListObject = listObject->next;
if (_lastListObject == listObject)
_lastListObject = listObject->previous;
if (_firstListItem == listItem)
_firstListItem = listItem->next;
if (_lastListItem == listItem)
_lastListItem = listItem->previous;
_count--;
_mutations++;
[listObject->object release];
free(listObject);
[listItem->object release];
OFFreeMemory(listItem);
}
- (id)firstObject
{
return (_firstListObject != NULL ? _firstListObject->object : nil);
return (_firstListItem != NULL ? _firstListItem->object : nil);
}
- (id)lastObject
{
return (_lastListObject != NULL ? _lastListObject->object : nil);
return (_lastListItem != NULL ? _lastListItem->object : nil);
}
- (size_t)count
{
return _count;
}
- (bool)isEqual: (id)object
{
OFList *list;
of_list_object_t *iter, *iter2;
OFListItem iter, iter2;
if (object == self)
return true;
if (![object isKindOfClass: [OFList class]])
return false;
list = object;
if (list.count != _count)
return false;
for (iter = _firstListObject, iter2 = list.firstListObject;
for (iter = _firstListItem, iter2 = list.firstListItem;
iter != NULL && iter2 != NULL;
iter = iter->next, iter2 = iter2->next)
if (![iter->object isEqual: iter2->object])
return false;
/* One is bigger than the other even though we checked the count */
assert(iter == NULL && iter2 == NULL);
return true;
}
- (bool)containsObject: (id)object
{
if (_count == 0)
return false;
for (of_list_object_t *iter = _firstListObject;
iter != NULL; iter = iter->next)
for (OFListItem iter = _firstListItem; iter != NULL; iter = iter->next)
if ([iter->object isEqual: object])
return true;
return false;
}
- (bool)containsObjectIdenticalTo: (id)object
{
if (_count == 0)
return false;
for (of_list_object_t *iter = _firstListObject;
iter != NULL; iter = iter->next)
for (OFListItem iter = _firstListItem; iter != NULL; iter = iter->next)
if (iter->object == object)
return true;
return false;
}
- (void)removeAllObjects
{
of_list_object_t *next;
OFListItem next;
_mutations++;
for (of_list_object_t *iter = _firstListObject;
iter != NULL; iter = next) {
for (OFListItem iter = _firstListItem; iter != NULL; iter = next) {
[iter->object release];
next = iter->next;
free(iter);
OFFreeMemory(iter);
}
_firstListObject = _lastListObject = NULL;
_firstListItem = _lastListItem = NULL;
}
- (id)copy
{
OFList *copy = [[[self class] alloc] init];
of_list_object_t *listObject, *previous;
listObject = NULL;
previous = NULL;
OFListItem listItem = NULL, previous = NULL;
@try {
for (of_list_object_t *iter = _firstListObject;
for (OFListItem iter = _firstListItem;
iter != NULL; iter = iter->next) {
listObject = of_alloc(1, sizeof(of_list_object_t));
listObject->object = [iter->object retain];
listObject->next = NULL;
listObject->previous = previous;
listItem = OFAllocMemory(1, sizeof(*listItem));
listItem->object = [iter->object retain];
listItem->next = NULL;
listItem->previous = previous;
if (copy->_firstListObject == NULL)
copy->_firstListObject = listObject;
if (copy->_firstListItem == NULL)
copy->_firstListItem = listItem;
if (previous != NULL)
previous->next = listObject;
previous->next = listItem;
copy->_count++;
previous = listObject;
previous = listItem;
}
} @catch (id e) {
[copy release];
@throw e;
}
copy->_lastListObject = listObject;
copy->_lastListItem = listItem;
return copy;
}
- (unsigned long)hash
{
uint32_t hash;
unsigned long hash;
OF_HASH_INIT(hash);
OFHashInit(&hash);
for (of_list_object_t *iter = _firstListObject;
iter != NULL; iter = iter->next)
OF_HASH_ADD_HASH(hash, [iter->object hash]);
for (OFListItem iter = _firstListItem; iter != NULL; iter = iter->next)
OFHashAddHash(&hash, [iter->object hash]);
OF_HASH_FINALIZE(hash);
OFHashFinalize(&hash);
return hash;
}
- (OFString *)description
{
OFMutableString *ret;
if (_count == 0)
return @"[]";
ret = [OFMutableString stringWithString: @"[\n"];
for (of_list_object_t *iter = _firstListObject;
for (OFListItem iter = _firstListItem;
iter != NULL; iter = iter->next) {
void *pool = objc_autoreleasePoolPush();
[ret appendString: [iter->object description]];
if (iter->next != NULL)
[ret appendString: @",\n"];
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return ret;
}
- (OFXMLElement *)XMLElementBySerializing
{
OFXMLElement *element =
[OFXMLElement elementWithName: self.className
namespace: OF_SERIALIZATION_NS];
namespace: OFSerializationNS];
for (of_list_object_t *iter = _firstListObject;
for (OFListItem iter = _firstListItem;
iter != NULL; iter = iter->next) {
void *pool = objc_autoreleasePoolPush();
[element addChild: [iter->object XMLElementBySerializing]];
objc_autoreleasePoolPop(pool);
}
return element;
}
- (int)countByEnumeratingWithState: (of_fast_enumeration_state_t *)state
- (int)countByEnumeratingWithState: (OFFastEnumerationState *)state
objects: (id *)objects
count: (int)count
{
of_list_object_t *listObject;
OFListItem listItem;
memcpy(&listObject, state->extra, sizeof(listObject));
memcpy(&listItem, state->extra, sizeof(listItem));
state->itemsPtr = objects;
state->mutationsPtr = &_mutations;
if (state->state == 0) {
listObject = _firstListObject;
listItem = _firstListItem;
state->state = 1;
}
for (int i = 0; i < count; i++) {
if (listObject == NULL)
if (listItem == NULL)
return i;
objects[i] = listObject->object;
listObject = listObject->next;
objects[i] = listItem->object;
listItem = listItem->next;
}
memcpy(state->extra, &listObject, sizeof(listObject));
memcpy(state->extra, &listItem, sizeof(listItem));
return count;
}
- (OFEnumerator *)objectEnumerator
{
return [[[OFListEnumerator alloc] initWithList: self
mutationsPointer: &_mutations]
autorelease];
}
@end
@implementation OFListEnumerator
- (instancetype)initWithList: (OFList *)list
mutationsPointer: (unsigned long *)mutationsPtr
{
self = [super init];
_list = [list retain];
_current = _list.firstListObject;
_current = _list.firstListItem;
_mutations = *mutationsPtr;
_mutationsPtr = mutationsPtr;
return self;
}
- (void)dealloc
|