/*
* 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 <stdarg.h>
#import "OFArray.h"
#import "OFDataArray.h"
#import "OFString.h"
#import "OFXMLElement.h"
#import "OFAutoreleasePool.h"
#import "OFEnumerationMutationException.h"
#import "OFInvalidArgumentException.h"
#import "OFOutOfRangeException.h"
#import "macros.h"
@implementation OFArray
+ array
{
return [[[self alloc] init] autorelease];
}
+ arrayWithObject: (id)object
{
return [[[self alloc] initWithObject: object] autorelease];
}
+ arrayWithObjects: (id)firstObject, ...
{
id ret;
va_list arguments;
va_start(arguments, firstObject);
ret = [[[self alloc] initWithObject: firstObject
arguments: arguments] autorelease];
va_end(arguments);
return ret;
}
+ arrayWithArray: (OFArray*)array
{
return [[[self alloc] initWithArray: array] autorelease];
}
+ arrayWithCArray: (id*)objects
{
return [[[self alloc] initWithCArray: objects] autorelease];
}
+ arrayWithCArray: (id*)objects
length: (size_t)length
{
return [[[self alloc] initWithCArray: objects
length: length] autorelease];
}
- init
{
self = [super init];
@try {
array = [[OFDataArray alloc] initWithItemSize: sizeof(id)];
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- initWithObject: (id)object
{
self = [self init];
@try {
[array addItem: &object];
[object retain];
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- initWithObjects: (id)firstObject, ...
{
id ret;
va_list arguments;
va_start(arguments, firstObject);
ret = [self initWithObject: firstObject
arguments: arguments];
va_end(arguments);
return ret;
}
- initWithObject: (id)firstObject
arguments: (va_list)arguments
{
self = [self init];
@try {
id object;
[array addItem: &firstObject];
[firstObject retain];
while ((object = va_arg(arguments, id)) != nil) {
[array addItem: &object];
[object retain];
}
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- initWithArray: (OFArray*)array_
{
id *cArray;
size_t i, count;
self = [self init];
@try {
cArray = [array_ cArray];
count = [array_ count];
} @catch (id e) {
[self release];
@throw e;
}
@try {
for (i = 0; i < count; i++)
[cArray[i] retain];
[array addNItems: count
fromCArray: cArray];
} @catch (id e) {
for (i = 0; i < count; i++)
[cArray[i] release];
/* Prevent double-release of objects */
[array release];
array = nil;
[self release];
@throw e;
}
return self;
}
- initWithCArray: (id*)objects
{
self = [self init];
@try {
id *object;
size_t count = 0;
for (object = objects; *object != nil; object++) {
[*object retain];
count++;
}
[array addNItems: count
fromCArray: objects];
} @catch (id e) {
id *object;
for (object = objects; *object != nil; object++)
[*object release];
[self release];
@throw e;
}
return self;
}
- initWithCArray: (id*)objects
length: (size_t)length
{
self = [self init];
@try {
size_t i;
for (i = 0; i < length; i++)
[objects[i] retain];
[array addNItems: length
fromCArray: objects];
} @catch (id e) {
size_t i;
for (i = 0; i < length; i++)
[objects[i] release];
[self release];
@throw e;
}
return self;
}
- initWithSerialization: (OFXMLElement*)element
{
self = [self init];
@try {
OFAutoreleasePool *pool, *pool2;
OFEnumerator *enumerator;
OFXMLElement *child;
pool = [[OFAutoreleasePool alloc] init];
if (![[element name] isEqual: @"object"] ||
![[element namespace] isEqual: OF_SERIALIZATION_NS] ||
![[[element attributeForName: @"class"] stringValue]
isEqual: [isa className]])
@throw [OFInvalidArgumentException newWithClass: isa
selector: _cmd];
enumerator = [[element
elementsForName: @"object"
namespace: OF_SERIALIZATION_NS] objectEnumerator];
pool2 = [[OFAutoreleasePool alloc] init];
while ((child = [enumerator nextObject]) != nil) {
id object = [OFSerialization
objectByDeserializingXMLElement: child];
[array addItem: &object];
[object retain];
[pool2 releaseObjects];
}
[pool release];
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (size_t)count
{
return [array count];
}
- (id*)cArray
{
return [array cArray];
}
- copy
{
return [self retain];
}
- mutableCopy
{
return [[OFMutableArray alloc] initWithArray: self];
}
- (id)objectAtIndex: (size_t)index
{
return *((id*)[array itemAtIndex: index]);
}
- (size_t)indexOfObject: (id)object
{
id *cArray = [array cArray];
size_t i, count = [array count];
if (cArray == NULL)
return OF_INVALID_INDEX;
for (i = 0; i < count; i++)
if ([cArray[i] isEqual: object])
return i;
return OF_INVALID_INDEX;
}
- (size_t)indexOfObjectIdenticalTo: (id)object
{
id *cArray = [array cArray];
size_t i, count = [array count];
if (cArray == NULL)
return OF_INVALID_INDEX;
for (i = 0; i < count; i++)
if (cArray[i] == object)
return i;
return OF_INVALID_INDEX;
}
- (BOOL)containsObject: (id)object
{
id *cArray = [array cArray];
size_t i, count = [array count];
if (cArray == NULL)
return NO;
for (i = 0; i < count; i++)
if ([cArray[i] isEqual: object])
return YES;
return NO;
}
- (BOOL)containsObjectIdenticalTo: (id)object
{
id *cArray = [array cArray];
size_t i, count = [array count];
if (cArray == NULL)
return NO;
for (i = 0; i < count; i++)
if (cArray[i] == object)
return YES;
return NO;
}
- (id)firstObject
{
id *firstObject = [array firstItem];
return (firstObject != NULL ? *firstObject : nil);
}
- (id)lastObject
{
id *lastObject = [array lastItem];
return (lastObject != NULL ? *lastObject : nil);
}
- (OFArray*)objectsFromIndex: (size_t)start
toIndex: (size_t)end
{
size_t count = [array count];
if (end > count || start > end)
@throw [OFOutOfRangeException newWithClass: isa];
return [OFArray arrayWithCArray: (id*)[array cArray] + start
length: end - start];
}
- (OFArray*)objectsInRange: (of_range_t)range
{
return [self objectsFromIndex: range.start
toIndex: range.start + range.length];
}
- (OFString*)componentsJoinedByString: (OFString*)separator
{
OFAutoreleasePool *pool;
OFString *ret;
OFObject **cArray = [array cArray];
size_t i, count = [array count];
IMP append;
if (count == 0)
return @"";
if (count == 1)
return [cArray[0] description];
ret = [OFMutableString string];
append = [ret methodForSelector: @selector(appendString:)];
pool = [[OFAutoreleasePool alloc] init];
for (i = 0; i < count - 1; i++) {
append(ret, @selector(appendString:), [cArray[i] description]);
append(ret, @selector(appendString:), separator);
[pool releaseObjects];
}
append(ret, @selector(appendString:), [cArray[i] description]);
[pool release];
/*
* Class swizzle the string to be immutable. We declared the return type
* to be OFString*, so it can't be modified anyway. But not swizzling it
* would create a real copy each time -[copy] is called.
*/
ret->isa = [OFString class];
return ret;
}
- (BOOL)isEqual: (id)object
{
OFArray *otherArray;
id *cArray, *otherCArray;
size_t i, count;
if (![object isKindOfClass: [OFArray class]])
return NO;
otherArray = (OFArray*)object;
count = [array count];
if (count != [otherArray count])
return NO;
cArray = [array cArray];
otherCArray = [otherArray cArray];
for (i = 0; i < count; i++)
if (![cArray[i] isEqual: otherCArray[i]])
return NO;
return YES;
}
- (uint32_t)hash
{
id *cArray = [array cArray];
size_t i, count = [array count];
uint32_t hash;
OF_HASH_INIT(hash);
for (i = 0; i < count; i++) {
uint32_t h = [cArray[i] hash];
OF_HASH_ADD(hash, h >> 24);
OF_HASH_ADD(hash, (h >> 16) & 0xFF);
OF_HASH_ADD(hash, (h >> 8) & 0xFF);
OF_HASH_ADD(hash, h & 0xFF);
}
OF_HASH_FINALIZE(hash);
return hash;
}
- (OFString*)description
{
OFAutoreleasePool *pool;
OFMutableString *ret;
if ([array count] == 0)
return @"()";
pool = [[OFAutoreleasePool alloc] init];
ret = [[self componentsJoinedByString: @",\n"] mutableCopy];
@try {
[ret prependString: @"(\n"];
[ret replaceOccurrencesOfString: @"\n"
withString: @"\n\t"];
[ret appendString: @"\n)"];
} @catch (id e) {
[ret release];
@throw e;
}
[pool release];
[ret autorelease];
/*
* Class swizzle the string to be immutable. We declared the return type
* to be OFString*, so it can't be modified anyway. But not swizzling it
* would create a real copy each time -[copy] is called.
*/
ret->isa = [OFString class];
return ret;
}
- (OFXMLElement*)XMLElementBySerializing
{
OFAutoreleasePool *pool;
OFXMLElement *element;
id <OFSerialization> *cArray = [array cArray];
size_t i, count = [array count];
element = [OFXMLElement elementWithName: @"object"
namespace: OF_SERIALIZATION_NS];
pool = [[OFAutoreleasePool alloc] init];
[element addAttributeWithName: @"class"
stringValue: [self className]];
for (i = 0; i < count; i++) {
[element addChild: [cArray[i] XMLElementBySerializing]];
[pool releaseObjects];
}
[pool release];
return element;
}
- (void)makeObjectsPerformSelector: (SEL)selector
{
id *cArray = [array cArray];
size_t i, count = [array count];
for (i = 0; i < count; i++)
((void(*)(id, SEL))[cArray[i]
methodForSelector: selector])(cArray[i], selector);
}
- (void)makeObjectsPerformSelector: (SEL)selector
withObject: (id)object
{
id *cArray = [array cArray];
size_t i, count = [array count];
for (i = 0; i < count; i++)
((void(*)(id, SEL, id))[cArray[i]
methodForSelector: selector])(cArray[i], selector, object);
}
- (int)countByEnumeratingWithState: (of_fast_enumeration_state_t*)state
objects: (id*)objects
count: (int)count_
{
size_t count = [array count];
if (count > INT_MAX)
@throw [OFOutOfRangeException newWithClass: isa];
if (state->state >= count)
return 0;
state->state = count;
state->itemsPtr = [array cArray];
state->mutationsPtr = (unsigned long*)self;
return (int)count;
}
- (OFEnumerator*)objectEnumerator
{
return [[[OFArrayEnumerator alloc] initWithArray: self
dataArray: array
mutationsPointer: NULL] autorelease];
}
#ifdef OF_HAVE_BLOCKS
- (void)enumerateObjectsUsingBlock: (of_array_enumeration_block_t)block
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
id *cArray = [array cArray];
size_t i, count = [array count];
BOOL stop = NO;
for (i = 0; i < count && !stop; i++) {
block(cArray[i], i, &stop);
[pool releaseObjects];
}
[pool release];
}
- (OFArray*)mappedArrayUsingBlock: (of_array_map_block_t)block
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
OFArray *ret;
size_t count = [array count];
id *tmp = [self allocMemoryForNItems: count
withSize: sizeof(id)];
@try {
id *cArray = [array cArray];
size_t i;
for (i = 0; i < count; i++)
tmp[i] = block(cArray[i], i);
ret = [[OFArray alloc] initWithCArray: tmp
length: count];
@try {
[pool release];
} @finally {
[ret autorelease];
}
} @finally {
[self freeMemory: tmp];
}
return ret;
}
- (OFArray*)filteredArrayUsingBlock: (of_array_filter_block_t)block
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
OFArray *ret;
size_t count = [array count];
id *tmp = [self allocMemoryForNItems: count
withSize: sizeof(id)];
@try {
id *cArray = [array cArray];
size_t i, j = 0;
for (i = 0; i < count; i++) {
if (block(cArray[i], i))
tmp[j++] = cArray[i];
[pool releaseObjects];
}
[pool release];
ret = [OFArray arrayWithCArray: tmp
length: j];
} @finally {
[self freeMemory: tmp];
}
return ret;
}
#endif
- (void)dealloc
{
id *cArray = [array cArray];
size_t i, count = [array count];
for (i = 0; i < count; i++)
[cArray[i] release];
[array release];
[super dealloc];
}
@end
@implementation OFArrayEnumerator
- initWithArray: (OFArray*)array_
dataArray: (OFDataArray*)dataArray_
mutationsPointer: (unsigned long*)mutationsPtr_;
{
self = [super init];
array = [array_ retain];
dataArray = [dataArray_ retain];
count = [dataArray count];
mutations = (mutationsPtr_ != NULL ? *mutationsPtr_ : 0);
mutationsPtr = mutationsPtr_;
return self;
}
- (void)dealloc
{
[array release];
[dataArray release];
[super dealloc];
}
- (id)nextObject
{
if (mutationsPtr != NULL && *mutationsPtr != mutations)
@throw [OFEnumerationMutationException newWithClass: isa
object: array];
if (pos < count)
return *(id*)[dataArray itemAtIndex: pos++];
return nil;
}
- (void)reset
{
if (mutationsPtr != NULL && *mutationsPtr != mutations)
@throw [OFEnumerationMutationException newWithClass: isa
object: array];
pos = 0;
}
@end