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#import "OFEnumerationMutationException.h"
#import "OFInvalidArgumentException.h"
#import "OFOutOfRangeException.h"
#import "macros.h"
#define BUCKET struct of_dictionary_bucket
- (void)_resizeForCount: (size_t)newcount
{
size_t fill = newcount * 4 / size;
struct of_dictionary_bucket **newdata;
uint32_t i, newsize;
if (newcount > UINT32_MAX)
@throw [OFOutOfRangeException newWithClass: isa];
if (fill >= 3)
newsize = size << 1;
else if (fill <= 1)
newsize = size >> 1;
else
return;
if (newsize == 0)
@throw [OFOutOfRangeException newWithClass: isa];
newdata = [self allocMemoryForNItems: newsize
withSize: sizeof(BUCKET*)];
for (i = 0; i < newsize; i++)
newdata[i] = NULL;
for (i = 0; i < size; i++) {
if (data[i] != NULL && data[i] != DELETED) {
uint32_t j, last;
last = newsize;
j = data[i]->hash & (newsize - 1);
for (; j < last && newdata[j] != NULL; j++);
/* In case the last bucket is already used */
if (j >= last) {
last = data[i]->hash & (newsize - 1);
for (j = 0; j < last &&
newdata[j] != NULL; j++);
}
if (j >= last) {
[self freeMemory: newdata];
@throw [OFOutOfRangeException
newWithClass: isa];
}
newdata[j] = data[i];
}
}
[self freeMemory: data];
data = newdata;
size = newsize;
}
- (void)setObject: (id)obj
forKey: (id <OFCopying>)key
{
uint32_t i, hash, last;
id old;
if (key == nil || obj == nil)
@throw [OFInvalidArgumentException newWithClass: isa
selector: _cmd];
hash = [(id)key hash];
last = size;
for (i = hash & (size - 1); i < last && data[i] != NULL; i++) {
if (data[i] == DELETED)
continue;
if ([(id)data[i]->key isEqual: key])
break;
}
/* In case the last bucket is already used */
if (i >= last) {
last = hash & (size - 1);
for (i = 0; i < last && data[i] != NULL; i++) {
if (data[i] == DELETED)
continue;
if ([(id)data[i]->key isEqual: key])
break;
}
}
/* Key not in dictionary */
if (i >= last || data[i] == NULL || data[i] == DELETED ||
![(id)data[i]->key isEqual: key]) {
BUCKET *b;
[self _resizeForCount: count + 1];
mutations++;
last = size;
for (i = hash & (size - 1); i < last && data[i] != NULL &&
data[i] != DELETED; i++);
/* In case the last bucket is already used */
if (i >= last) {
last = hash & (size - 1);
for (i = 0; i < last && data[i] != NULL &&
data[i] != DELETED; i++);
}
if (i >= last)
@throw [OFOutOfRangeException newWithClass: isa];
b = [self allocMemoryWithSize: sizeof(BUCKET)];
@try {
key = [key copy];
} @catch (id e) {
[self freeMemory: b];
@throw e;
}
@try {
[obj retain];
} @catch (id e) {
[self freeMemory: b];
[(id)key release];
@throw e;
}
b->key = key;
b->object = obj;
b->hash = hash;
data[i] = b;
count++;
return;
}
old = data[i]->object;
data[i]->object = [obj retain];
[old release];
}
- (void)removeObjectForKey: (id)key
{
uint32_t i, hash, last;
if (key == nil)
@throw [OFInvalidArgumentException newWithClass: isa
selector: _cmd];
hash = [key hash];
last = size;
for (i = hash & (size - 1); i < last && data[i] != NULL; i++) {
if (data[i] == DELETED)
continue;
if ([(id)data[i]->key isEqual: key]) {
[(id)data[i]->key release];
[data[i]->object release];
[self freeMemory: data[i]];
data[i] = DELETED;
count--;
mutations++;
[self _resizeForCount: count];
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#import "OFEnumerationMutationException.h"
#import "OFInvalidArgumentException.h"
#import "OFOutOfRangeException.h"
#import "macros.h"
#define DELETED &of_dictionary_deleted_bucket
@implementation OFMutableDictionary
- (void)_resizeForCount: (size_t)newCount
{
size_t fullness = newCount * 4 / size;
struct of_dictionary_bucket **newData;
uint32_t i, newSize;
if (newCount > UINT32_MAX)
@throw [OFOutOfRangeException newWithClass: isa];
if (fullness >= 3)
newSize = size << 1;
else if (fullness <= 1)
newSize = size >> 1;
else
return;
if (newSize == 0)
@throw [OFOutOfRangeException newWithClass: isa];
newData = [self allocMemoryForNItems: newSize
withSize: sizeof(*newData)];
for (i = 0; i < newSize; i++)
newData[i] = NULL;
for (i = 0; i < size; i++) {
if (data[i] != NULL && data[i] != DELETED) {
uint32_t j, last;
last = newSize;
j = data[i]->hash & (newSize - 1);
for (; j < last && newData[j] != NULL; j++);
/* In case the last bucket is already used */
if (j >= last) {
last = data[i]->hash & (newSize - 1);
for (j = 0; j < last &&
newData[j] != NULL; j++);
}
if (j >= last) {
[self freeMemory: newData];
@throw [OFOutOfRangeException
newWithClass: isa];
}
newData[j] = data[i];
}
}
[self freeMemory: data];
data = newData;
size = newSize;
}
- (void)setObject: (id)object
forKey: (id <OFCopying>)key
{
uint32_t i, hash, last;
id old;
if (key == nil || object == nil)
@throw [OFInvalidArgumentException newWithClass: isa
selector: _cmd];
hash = [key hash];
last = size;
for (i = hash & (size - 1); i < last && data[i] != NULL; i++) {
if (data[i] == DELETED)
continue;
if ([data[i]->key isEqual: key])
break;
}
/* In case the last bucket is already used */
if (i >= last) {
last = hash & (size - 1);
for (i = 0; i < last && data[i] != NULL; i++) {
if (data[i] == DELETED)
continue;
if ([data[i]->key isEqual: key])
break;
}
}
/* Key not in dictionary */
if (i >= last || data[i] == NULL || data[i] == DELETED ||
![data[i]->key isEqual: key]) {
struct of_dictionary_bucket *bucket;
[self _resizeForCount: count + 1];
mutations++;
last = size;
for (i = hash & (size - 1); i < last && data[i] != NULL &&
data[i] != DELETED; i++);
/* In case the last bucket is already used */
if (i >= last) {
last = hash & (size - 1);
for (i = 0; i < last && data[i] != NULL &&
data[i] != DELETED; i++);
}
if (i >= last)
@throw [OFOutOfRangeException newWithClass: isa];
bucket = [self allocMemoryWithSize: sizeof(*bucket)];
@try {
key = [key copy];
} @catch (id e) {
[self freeMemory: bucket];
@throw e;
}
@try {
[object retain];
} @catch (id e) {
[self freeMemory: bucket];
[key release];
@throw e;
}
bucket->key = key;
bucket->object = object;
bucket->hash = hash;
data[i] = bucket;
count++;
return;
}
old = data[i]->object;
data[i]->object = [object retain];
[old release];
}
- (void)removeObjectForKey: (id)key
{
uint32_t i, hash, last;
if (key == nil)
@throw [OFInvalidArgumentException newWithClass: isa
selector: _cmd];
hash = [key hash];
last = size;
for (i = hash & (size - 1); i < last && data[i] != NULL; i++) {
if (data[i] == DELETED)
continue;
if ([data[i]->key isEqual: key]) {
[data[i]->key release];
[data[i]->object release];
[self freeMemory: data[i]];
data[i] = DELETED;
count--;
mutations++;
[self _resizeForCount: count];
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/* In case the last bucket is already used */
last = hash & (size - 1);
for (i = 0; i < last && data[i] != NULL; i++) {
if (data[i] == DELETED)
continue;
if ([(id)data[i]->key isEqual: key]) {
[(id)data[i]->key release];
[data[i]->object release];
[self freeMemory: data[i]];
data[i] = DELETED;
count--;
mutations++;
[self _resizeForCount: count];
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/* In case the last bucket is already used */
last = hash & (size - 1);
for (i = 0; i < last && data[i] != NULL; i++) {
if (data[i] == DELETED)
continue;
if ([data[i]->key isEqual: key]) {
[data[i]->key release];
[data[i]->object release];
[self freeMemory: data[i]];
data[i] = DELETED;
count--;
mutations++;
[self _resizeForCount: count];
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