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#import "config.h"
#include <string.h>
#import "OFDictionary.h"
#import "OFIterator.h"
#import "OFExceptions.h"
#import "OFMacros.h"
return [[[OFDictionary alloc] init] autorelease];
return [[[self alloc] init] autorelease];
}
+ dictionaryWithHashSize: (int)hashsize
{
return [[[OFDictionary alloc] initWithHashSize: hashsize] autorelease];
return [[[self alloc] initWithHashSize: hashsize] autorelease];
}
- init
{
self = [super init];
size = 4096;
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@throw e;
}
memset(data, 0, size * sizeof(OFList*));
return self;
}
- (void)dealloc
- (float)averageItemsPerBucket
{
size_t i;
size_t items, buckets, i;
for (i = 0; i < size; i++)
if (data[i] != nil)
[data[i] release];
[super dealloc];
}
- set: (OFObject <OFCopying>*)key
to: (OFObject*)obj
{
uint32_t hash;
of_list_object_t *iter, *key_obj;
if (key == nil || obj == nil)
@throw [OFInvalidArgumentException newWithClass: isa
andSelector: _cmd];
hash = [key hash] & (size - 1);
hash] == nil)
data[hash] = [[OFList alloc] init];
for (iter = [data[hash] first]; iter != NULL; iter = iter->next->next) {
if ([iter->object isEqual: key]) {
[iter->next->object release];
[obj retain];
iter->next->object = obj;
return self;
key = [key copy];
@try {
key_obj = [data[hash] append: key];
} @finally {
[key release];
}
@try {
[data[hash] append: obj];
} @catch (OFException *e) {
[data[hash] remove: key_obj];
@throw e;
}
self;
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for (iter = [data[hash] first]; iter != NULL; iter = iter->next->next)
if ([iter->object isEqual: key])
return iter->next->object;
return nil;
}
- remove: (OFObject*)key
- set: (OFObject <OFCopying>*)key
{
uint32_t hash;
of_list_object_t *iter;
if (key == nil)
@throw [OFInvalidArgumentException newWithClass: isa
andSelector: _cmd];
hash = [key hash] & (size - 1);
if (data[hash] == nil)
return self;
for (iter = [data[hash] first]; iter != NULL; iter = iter->next->next) {
if ([iter->object isEqual: key]) {
[data[hash] remove: iter->next];
[data[hash] remove: iter];
if ([data[hash] first] == NULL) {
[data[hash] release];
data[hash] = nil;
}
return self;
}
}
return self;
}
- (float)averageItemsPerBucket
{
size_t items, buckets, i;
items = 0;
buckets = 0;
for (i = 0; i < size; i++) {
if (data[i] != nil) {
items += [data[i] items] / 2;
buckets++;
}
}
return (float)items / buckets;
OFList **newdata;
size_t newsize, i;
of_list_object_t *iter;
if (hashsize < 8 || hashsize >= 28)
@throw [OFInvalidArgumentException newWithClass: isa
andSelector: _cmd];
newsize = (size_t)1 << hashsize;
newdata = [self allocNItems: newsize
withSize: sizeof(OFList*)];
memset(data, 0, newsize * sizeof(OFList*));
for (i = 0; i < size; i++) {
if (OF_LIKELY(data[i] == nil))
continue;
for (iter = [data[i] first]; iter != NULL;
iter = iter->next->next) {
uint32_t hash = [iter->object hash] & (newsize - 1);
if (newdata[hash] == nil)
newdata[hash] = [[OFList alloc] init];
[newdata[hash] append: iter->object];
[newdata[hash] append: iter->next->object];
}
[data[i] release];
}
[self freeMem: data];
data = newdata;
size = newsize;
return self;
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