/*
* Copyright (c) 2008, 2009, 2010, 2011
* Jonathan Schleifer <js@webkeks.org>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#include <assert.h>
#import "OFDictionary.h"
#import "OFDictionary_hashtable.h"
#import "OFArray.h"
#import "OFString.h"
#import "OFXMLElement.h"
#import "OFAutoreleasePool.h"
#import "OFNotImplementedException.h"
static struct {
Class isa;
} placeholder;
@interface OFDictionary_placeholder: OFDictionary
@end
@implementation OFDictionary_placeholder
- init
{
return (id)[[OFDictionary_hashtable alloc] init];
}
- initWithDictionary: (OFDictionary*)dictionary
{
return (id)[[OFDictionary_hashtable alloc]
initWithDictionary: dictionary];
}
- initWithObject: (id)object
forKey: (id)key
{
return (id)[[OFDictionary_hashtable alloc] initWithObject: object
forKey: key];
}
- initWithObjects: (OFArray*)objects
forKeys: (OFArray*)keys
{
return (id)[[OFDictionary_hashtable alloc] initWithObjects: objects
forKeys: keys];
}
- initWithKeysAndObjects: (id <OFCopying>)firstKey, ...
{
id ret;
va_list arguments;
va_start(arguments, firstKey);
ret = [[OFDictionary_hashtable alloc] initWithKey: firstKey
arguments: arguments];
va_end(arguments);
return ret;
}
- initWithKey: (id <OFCopying>)firstKey
arguments: (va_list)arguments
{
return (id)[[OFDictionary_hashtable alloc] initWithKey: firstKey
arguments: arguments];
}
- initWithSerialization: (OFXMLElement*)element
{
return (id)[[OFDictionary_hashtable alloc]
initWithSerialization: element];
}
- retain
{
return self;
}
- autorelease
{
return self;
}
- (void)release
{
}
- (void)dealloc
{
@throw [OFNotImplementedException exceptionWithClass: isa
selector: _cmd];
[super dealloc]; /* Get rid of a stupid warning */
}
@end
@implementation OFDictionary
+ (void)initialize
{
if (self == [OFDictionary class])
placeholder.isa = [OFDictionary_placeholder class];
}
+ alloc
{
if (self == [OFDictionary class])
return (id)&placeholder;
return [super alloc];
}
+ dictionary
{
return [[[self alloc] init] autorelease];
}
+ dictionaryWithDictionary: (OFDictionary*)dictionary
{
return [[[self alloc] initWithDictionary: dictionary] autorelease];
}
+ dictionaryWithObject: (id)object
forKey: (id)key
{
return [[[self alloc] initWithObject: object
forKey: key] autorelease];
}
+ dictionaryWithObjects: (OFArray*)objects
forKeys: (OFArray*)keys
{
return [[[self alloc] initWithObjects: objects
forKeys: keys] autorelease];
}
+ dictionaryWithKeysAndObjects: (id)firstKey, ...
{
id ret;
va_list arguments;
va_start(arguments, firstKey);
ret = [[[self alloc] initWithKey: firstKey
arguments: arguments] autorelease];
va_end(arguments);
return ret;
}
- init
{
if (isa == [OFDictionary class]) {
Class c = isa;
[self release];
@throw [OFNotImplementedException exceptionWithClass: c
selector: _cmd];
}
return [super init];
}
- initWithDictionary: (OFDictionary*)dictionary
{
Class c = isa;
[self release];
@throw [OFNotImplementedException exceptionWithClass: c
selector: _cmd];
}
- initWithObject: (id)object
forKey: (id)key
{
return [self initWithKeysAndObjects: key, object, nil];
}
- initWithObjects: (OFArray*)objects
forKeys: (OFArray*)keys
{
Class c = isa;
[self release];
@throw [OFNotImplementedException exceptionWithClass: c
selector: _cmd];
}
- initWithKeysAndObjects: (id)firstKey, ...
{
id ret;
va_list arguments;
va_start(arguments, firstKey);
ret = [self initWithKey: firstKey
arguments: arguments];
va_end(arguments);
return ret;
}
- initWithKey: (id)firstKey
arguments: (va_list)arguments
{
Class c = isa;
[self release];
@throw [OFNotImplementedException exceptionWithClass: c
selector: _cmd];
}
- initWithSerialization: (OFXMLElement*)element
{
Class c = isa;
[self release];
@throw [OFNotImplementedException exceptionWithClass: c
selector: _cmd];
}
- (id)objectForKey: (id)key
{
@throw [OFNotImplementedException exceptionWithClass: isa
selector: _cmd];
}
- (size_t)count
{
@throw [OFNotImplementedException exceptionWithClass: isa
selector: _cmd];
}
- copy
{
return [self retain];
}
- mutableCopy
{
return [[OFMutableDictionary alloc] initWithDictionary: self];
}
- (BOOL)isEqual: (id)dictionary
{
OFAutoreleasePool *pool;
OFEnumerator *enumerator;
id key;
if ([dictionary count] != [self count])
return NO;
pool = [[OFAutoreleasePool alloc] init];
enumerator = [self keyEnumerator];
while ((key = [enumerator nextObject]) != nil) {
id object = [dictionary objectForKey: key];
if (object == nil ||
![object isEqual: [self objectForKey: key]]) {
[pool release];
return NO;
}
}
[pool release];
return YES;
}
- (BOOL)containsObject: (id)object
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
OFEnumerator *enumerator = [self objectEnumerator];
id currentObject;
while ((currentObject = [enumerator nextObject]) != nil) {
if ([currentObject isEqual: object]) {
[pool release];
return YES;
}
}
[pool release];
return NO;
}
- (BOOL)containsObjectIdenticalTo: (id)object
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
OFEnumerator *enumerator = [self objectEnumerator];
id currentObject;
while ((currentObject = [enumerator nextObject]) != nil) {
if (currentObject == object) {
[pool release];
return YES;
}
}
[pool release];
return NO;
}
- (OFArray*)allKeys
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
id *cArray = [self allocMemoryForNItems: [self count]
ofSize: sizeof(id)];
OFArray *ret;
OFEnumerator *enumerator;
id key;
size_t i = 0;
pool = [[OFAutoreleasePool alloc] init];
enumerator = [self keyEnumerator];
while ((key = [enumerator nextObject]) != nil)
cArray[i++] = key;
assert(i == [self count]);
[pool release];
@try {
ret = [OFArray arrayWithCArray: cArray
length: [self count]];
} @finally {
[self freeMemory: cArray];
}
return ret;
}
- (OFArray*)allObjects
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
id *cArray = [self allocMemoryForNItems: [self count]
ofSize: sizeof(id)];
OFArray *ret;
OFEnumerator *enumerator;
id object;
size_t i = 0;
pool = [[OFAutoreleasePool alloc] init];
enumerator = [self objectEnumerator];
while ((object = [enumerator nextObject]) != nil)
cArray[i++] = object;
assert(i == [self count]);
[pool release];
@try {
ret = [OFArray arrayWithCArray: cArray
length: [self count]];
} @finally {
[self freeMemory: cArray];
}
return ret;
}
- (OFEnumerator*)objectEnumerator
{
@throw [OFNotImplementedException exceptionWithClass: isa
selector: _cmd];
}
- (OFEnumerator*)keyEnumerator
{
@throw [OFNotImplementedException exceptionWithClass: isa
selector: _cmd];
}
- (int)countByEnumeratingWithState: (of_fast_enumeration_state_t*)state
objects: (id*)objects
count: (int)count_
{
@throw [OFNotImplementedException exceptionWithClass: isa
selector: _cmd];
}
#if defined(OF_HAVE_BLOCKS) && defined(OF_HAVE_FAST_ENUMERATION)
- (void)enumerateKeysAndObjectsUsingBlock:
(of_dictionary_enumeration_block_t)block
{
BOOL stop = NO;
for (id key in self) {
block(key, [self objectForKey: key], &stop);
if (stop)
break;
}
}
#endif
#ifdef OF_HAVE_BLOCKS
- (OFDictionary*)mappedDictionaryUsingBlock: (of_dictionary_map_block_t)block
{
OFMutableDictionary *new = [OFMutableDictionary dictionary];
[self enumerateKeysAndObjectsUsingBlock: ^ (id key, id object,
BOOL *stop) {
[new setObject: block(key, object)
forKey: key];
}];
[new makeImmutable];
return new;
}
- (OFDictionary*)filteredDictionaryUsingBlock:
(of_dictionary_filter_block_t)block
{
OFMutableDictionary *new = [OFMutableDictionary dictionary];
[self enumerateKeysAndObjectsUsingBlock: ^ (id key, id object,
BOOL *stop) {
if (block(key, object))
[new setObject: object
forKey: key];
}];
[new makeImmutable];
return new;
}
#endif
- (uint32_t)hash
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
OFEnumerator *enumerator = [self keyEnumerator];
id key;
uint32_t hash = 0;
while ((key = [enumerator nextObject]) != nil) {
hash += [key hash];
hash += [[self objectForKey: key] hash];
}
[pool release];
return hash;
}
- (OFString*)description
{
OFMutableString *ret;
OFAutoreleasePool *pool, *pool2;
OFEnumerator *keyEnumerator, *objectEnumerator;
id key, object;
size_t i, count = [self count];
if (count == 0)
return @"{}";
ret = [OFMutableString stringWithString: @"{\n"];
pool = [[OFAutoreleasePool alloc] init];
keyEnumerator = [self keyEnumerator];
objectEnumerator = [self objectEnumerator];
i = 0;
pool2 = [[OFAutoreleasePool alloc] init];
while ((key = [keyEnumerator nextObject]) != nil &&
(object = [objectEnumerator nextObject]) != nil) {
[ret appendString: [key description]];
[ret appendString: @" = "];
[ret appendString: [object description]];
if (++i < count)
[ret appendString: @";\n"];
[pool2 releaseObjects];
}
[ret replaceOccurrencesOfString: @"\n"
withString: @"\n\t"];
[ret appendString: @";\n}"];
[ret makeImmutable];
[pool release];
return ret;
}
- (OFXMLElement*)XMLElementBySerializing
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
OFAutoreleasePool *pool2;
OFXMLElement *element;
OFEnumerator *keyEnumerator, *objectEnumerator;
id key, object;
if ([self isKindOfClass: [OFMutableDictionary class]])
element = [OFXMLElement elementWithName: @"OFMutableDictionary"
namespace: OF_SERIALIZATION_NS];
else
element = [OFXMLElement elementWithName: @"OFDictionary"
namespace: OF_SERIALIZATION_NS];
keyEnumerator = [self keyEnumerator];
objectEnumerator = [self objectEnumerator];
pool2 = [[OFAutoreleasePool alloc] init];
while ((key = [keyEnumerator nextObject]) != nil &&
(object = [objectEnumerator nextObject]) != nil) {
OFXMLElement *keyElement, *objectElement;
keyElement = [OFXMLElement
elementWithName: @"key"
namespace: OF_SERIALIZATION_NS];
[keyElement addChild: [key XMLElementBySerializing]];
objectElement = [OFXMLElement
elementWithName: @"object"
namespace: OF_SERIALIZATION_NS];
[objectElement addChild: [object XMLElementBySerializing]];
[element addChild: keyElement];
[element addChild: objectElement];
[pool2 releaseObjects];
}
[element retain];
[pool release];
[element autorelease];
return element;
}
- (OFString*)JSONRepresentation
{
OFMutableString *JSON = [OFMutableString stringWithString: @"{"];
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init], *pool2;
OFEnumerator *keyEnumerator = [self keyEnumerator];
OFEnumerator *objectEnumerator = [self objectEnumerator];
size_t i = 0, count = [self count];
OFString *key;
OFString *object;
pool2 = [[OFAutoreleasePool alloc] init];
while ((key = [keyEnumerator nextObject]) != nil &&
(object = [objectEnumerator nextObject]) != nil) {
[JSON appendString: [key JSONRepresentation]];
[JSON appendString: @":"];
[JSON appendString: [object JSONRepresentation]];
if (++i < count)
[JSON appendString: @","];
[pool2 releaseObjects];
}
[pool release];
[JSON appendString: @"}"];
[JSON makeImmutable];
return JSON;
}
@end