/*
* Copyright (c) 2008 - 2010
* 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 included in
* the packaging of this file.
*/
#include "config.h"
#include <stdarg.h>
#import "OFArray.h"
#import "OFDataArray.h"
#import "OFString.h"
#import "OFExceptions.h"
#import "macros.h"
@implementation OFArray
+ array
{
return [[[self alloc] init] autorelease];
}
+ arrayWithObject: (OFObject*)obj
{
return [[[self alloc] initWithObject: obj] autorelease];
}
+ arrayWithObjects: (OFObject*)first, ...
{
id ret;
va_list args;
va_start(args, first);
ret = [[[self alloc] initWithObject: first
argList: args] autorelease];
va_end(args);
return ret;
}
+ arrayWithCArray: (OFObject**)objs
{
return [[[self alloc] initWithCArray: objs] autorelease];
}
+ arrayWithCArray: (OFObject**)objs
length: (size_t)len
{
return [[[self alloc] initWithCArray: objs
length: len] autorelease];
}
- init
{
self = [super init];
@try {
array = [[OFDataArray alloc]
initWithItemSize: sizeof(OFObject*)];
} @catch (OFException *e) {
/*
* We can't use [super dealloc] on OS X here. Compiler bug?
* [self dealloc] will do here as we check for nil in dealloc.
*/
[self dealloc];
@throw e;
}
return self;
}
- initWithObject: (OFObject*)obj
{
self = [self init];
@try {
[array addItem: &obj];
} @catch (OFException *e) {
[self dealloc];
@throw e;
}
[obj retain];
return self;
}
- initWithObjects: (OFObject*)first, ...
{
id ret;
va_list args;
va_start(args, first);
ret = [self initWithObject: first
argList: args];
va_end(args);
return ret;
}
- initWithObject: (OFObject*)first
argList: (va_list)args
{
id obj;
self = [self init];
@try {
[array addItem: &first];
while ((obj = va_arg(args, id)) != nil) {
[array addItem: &obj];
[obj retain];
}
} @catch (OFException *e) {
[self dealloc];
@throw e;
}
return self;
}
- initWithCArray: (OFObject**)objs
{
id *obj;
self = [self init];
@try {
for (obj = objs; *obj != nil; obj++) {
[array addItem: obj];
[*obj retain];
}
} @catch (OFException *e) {
[self dealloc];
@throw e;
}
return self;
}
- initWithCArray: (OFObject**)objs
length: (size_t)len
{
self = [self init];
@try {
size_t i;
for (i = 0; i < len; i++) {
[array addItem: objs + i];
[objs[i] retain];
}
} @catch (OFException *e) {
[self dealloc];
@throw e;
}
return self;
}
- (size_t)count
{
return [array count];
}
- (id*)cArray
{
return [array cArray];
}
- (id)copy
{
return [self retain];
}
- (id)mutableCopy
{
OFArray *new = [[OFMutableArray alloc] init];
OFObject **objs;
size_t count, i;
objs = [array cArray];
count = [array count];
[new->array addNItems: count
fromCArray: objs];
for (i = 0; i < count; i++)
[objs[i] retain];
return new;
}
- (id)objectAtIndex: (size_t)index
{
return [[*((OFObject**)[array itemAtIndex: index]) retain] autorelease];
}
- (size_t)indexOfObject: (OFObject*)obj
{
id *objs = [array cArray];
size_t i, count = [array count];
if (objs == NULL)
return SIZE_MAX;
for (i = 0; i < count; i++)
if ([objs[i] isEqual: obj])
return i;
return SIZE_MAX;
}
- (size_t)indexOfObjectIdenticalTo: (OFObject*)obj
{
id *objs = [array cArray];
size_t i, count = [array count];
if (objs == NULL)
return SIZE_MAX;
for (i = 0; i < count; i++)
if (objs[i] == obj)
return i;
return SIZE_MAX;
}
- (id)firstObject
{
id *first = [array firstItem];
return (first != NULL ? [[*first retain] autorelease] : nil);
}
- (id)lastObject
{
id *last = [array lastItem];
return (last != NULL ? [[*last retain] autorelease] : nil);
}
- (OFString*)componentsJoinedByString: (OFString*)separator
{
OFString *str;
OFString **objs = [array cArray];
size_t i, count = [array count];
IMP append;
if (count == 0)
return @"";
if (count == 1)
return [objs[0] retain];
str = [OFMutableString string];
append = [str methodForSelector: @selector(appendString:)];
for (i = 0; i < count - 1; i++) {
append(str, @selector(appendString:), objs[i]);
append(str, @selector(appendString:), separator);
}
append(str, @selector(appendString:), objs[i]);
return str;
}
- (BOOL)isEqual: (OFObject*)obj
{
OFObject **objs, **objs2;
size_t i, count, count2;
if (![obj isKindOfClass: [OFArray class]])
return NO;
count = [array count];
count2 = [(OFArray*)obj count];
if (count != count2)
return NO;
objs = [array cArray];
objs2 = [(OFArray*)obj cArray];
for (i = 0; i < count; i++)
if (![objs[i] isEqual: objs2[i]])
return NO;
return YES;
}
- (uint32_t)hash
{
OFObject **objs = [array cArray];
size_t i, count = [array count];
uint32_t hash;
OF_HASH_INIT(hash);
for (i = 0; i < count; i++) {
uint32_t h = [objs[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;
}
- (int)countByEnumeratingWithState: (of_fast_enumeration_state_t*)state
objects: (id*)objects
count: (int)count_
{
size_t count = [array count];
if (state->state >= count)
return 0;
state->state = count;
state->itemsPtr = [array cArray];
state->mutationsPtr = (unsigned long*)self;
return count;
}
- (OFEnumerator*)enumerator
{
return [[[OFArrayEnumerator alloc]
initWithDataArray: array
mutationsPointer: NULL] autorelease];
}
- (void)dealloc
{
OFObject **objs = [array cArray];
size_t i, count = [array count];
for (i = 0; i < count; i++)
[objs[i] release];
[array release];
[super dealloc];
}
@end
/// \cond internal
@implementation OFArrayEnumerator
- initWithDataArray: (OFDataArray*)array_
mutationsPointer: (unsigned long*)mutations_ptr_;
{
self = [super init];
array = array_;
count = [array_ count];
mutations = *mutations_ptr_;
mutations_ptr = mutations_ptr_;
return self;
}
- (id)nextObject
{
if (mutations_ptr != NULL && *mutations_ptr != mutations)
@throw [OFEnumerationMutationException newWithClass: isa];
if (pos < count)
return *(OFObject**)[array itemAtIndex: pos++];
return nil;
}
- reset
{
if (mutations_ptr != NULL && *mutations_ptr != mutations)
@throw [OFEnumerationMutationException newWithClass: isa];
pos = 0;
return self;
}
@end
/// \endcond