/*
* 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 "OFAutoreleasePool.h"
#import "OFExceptions.h"
#import "macros.h"
@implementation OFArray
+ array
{
return [[[self alloc] init] autorelease];
}
+ arrayWithObject: (id)obj
{
return [[[self alloc] initWithObject: obj] autorelease];
}
+ arrayWithObjects: (id)first, ...
{
id ret;
va_list args;
va_start(args, first);
ret = [[[self alloc] initWithObject: first
argList: args] autorelease];
va_end(args);
return ret;
}
+ arrayWithCArray: (id*)objs
{
return [[[self alloc] initWithCArray: objs] autorelease];
}
+ arrayWithCArray: (id*)objs
length: (size_t)len
{
return [[[self alloc] initWithCArray: objs
length: len] autorelease];
}
- init
{
self = [super init];
@try {
array = [[OFDataArray alloc] initWithItemSize: sizeof(id)];
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- initWithObject: (id)obj
{
self = [self init];
@try {
[array addItem: &obj];
[obj retain];
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- initWithObjects: (id)first, ...
{
id ret;
va_list args;
va_start(args, first);
ret = [self initWithObject: first
argList: args];
va_end(args);
return ret;
}
- initWithObject: (id)first
argList: (va_list)args
{
self = [self init];
@try {
id obj;
[array addItem: &first];
while ((obj = va_arg(args, id)) != nil) {
[array addItem: &obj];
[obj retain];
}
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- initWithCArray: (id*)objs
{
self = [self init];
@try {
id *obj;
size_t count = 0;
for (obj = objs; *obj != nil; obj++) {
[*obj retain];
count++;
}
[array addNItems: count
fromCArray: objs];
} @catch (id e) {
id *obj;
for (obj = objs; *obj != nil; obj++)
[*obj release];
[self release];
@throw e;
}
return self;
}
- initWithCArray: (id*)objs
length: (size_t)len
{
self = [self init];
@try {
size_t i;
for (i = 0; i < len; i++)
[objs[i] retain];
[array addNItems: len
fromCArray: objs];
} @catch (id e) {
size_t i;
for (i = 0; i < len; i++)
[objs[i] release];
[self release];
@throw e;
}
return self;
}
- (size_t)count
{
return [array count];
}
- (id*)cArray
{
return [array cArray];
}
- copy
{
return [self retain];
}
- mutableCopy
{
OFArray *new = [[OFMutableArray alloc] init];
id *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 *((id*)[array itemAtIndex: index]);
}
- (size_t)indexOfObject: (id)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: (id)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;
}
- (BOOL)containsObject: (id)obj
{
id *objs = [array cArray];
size_t i, count = [array count];
if (objs == NULL)
return NO;
for (i = 0; i < count; i++)
if ([objs[i] isEqual: obj])
return YES;
return NO;
}
- (BOOL)containsObjectIdenticalTo: (id)obj
{
id *objs = [array cArray];
size_t i, count = [array count];
if (objs == NULL)
return NO;
for (i = 0; i < count; i++)
if (objs[i] == obj)
return YES;
return NO;
}
- (id)firstObject
{
id *first = [array firstItem];
return (first != NULL ? *first : nil);
}
- (id)lastObject
{
id *last = [array lastItem];
return (last != NULL ? *last : 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 *str;
OFObject **objs = [array cArray];
size_t i, count = [array count];
IMP append;
if (count == 0)
return @"";
if (count == 1)
return [objs[0] description];
str = [OFMutableString string];
append = [str methodForSelector: @selector(appendString:)];
pool = [[OFAutoreleasePool alloc] init];
for (i = 0; i < count - 1; i++) {
append(str, @selector(appendString:), [objs[i] description]);
append(str, @selector(appendString:), separator);
[pool releaseObjects];
}
append(str, @selector(appendString:), [objs[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.
*/
str->isa = [OFString class];
return str;
}
- (BOOL)isEqual: (id)obj
{
id *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
{
id *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;
}
- (OFString*)description
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
OFMutableString *ret;
ret = [[self componentsJoinedByString: @", "] mutableCopy];
@try {
[ret prependString: @"("];
[ret appendString: @")"];
} @catch (id e) {
[ret release];
}
[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;
}
- (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*)objectEnumerator
{
return [[[OFArrayEnumerator alloc]
initWithDataArray: array
mutationsPointer: NULL] autorelease];
}
#ifdef OF_HAVE_BLOCKS
- (void)enumerateObjectsUsingBlock: (of_array_enumeration_block_t)block
{
id *objs = [array cArray];
size_t i, count = [array count];
BOOL stop = NO;
for (i = 0; i < count && !stop; i++)
block(objs[i], i, &stop);
}
- (OFArray*)mappedArrayUsingBlock: (of_array_map_block_t)block
{
OFArray *ret;
size_t count = [array count];
id *tmp = [self allocMemoryForNItems: count
withSize: sizeof(id)];
@try {
id *objs = [array cArray];
size_t i;
for (i = 0; i < count; i++)
tmp[i] = block(objs[i], i);
ret = [OFArray arrayWithCArray: tmp
length: count];
} @finally {
[self freeMemory: tmp];
}
return ret;
}
- (OFArray*)filteredArrayUsingBlock: (of_array_filter_block_t)block
{
OFArray *ret;
size_t count = [array count];
id *tmp = [self allocMemoryForNItems: count
withSize: sizeof(id)];
@try {
id *objs = [array cArray];
size_t i, j = 0;
for (i = 0; i < count; i++)
if (block(objs[i], i))
tmp[j++] = objs[i];
ret = [OFArray arrayWithCArray: tmp
length: j];
} @finally {
[self freeMemory: tmp];
}
return ret;
}
#endif
- (void)dealloc
{
id *objs = [array cArray];
size_t i, count = [array count];
for (i = 0; i < count; i++)
[objs[i] release];
[array release];
[super dealloc];
}
@end
@implementation OFArrayEnumerator
- initWithDataArray: (OFDataArray*)array_
mutationsPointer: (unsigned long*)mutationsPtr_;
{
self = [super init];
array = array_;
count = [array_ count];
mutations = (mutationsPtr_ != NULL ? *mutationsPtr_ : 0);
mutationsPtr = mutationsPtr_;
return self;
}
- (id)nextObject
{
if (mutationsPtr != NULL && *mutationsPtr != mutations)
@throw [OFEnumerationMutationException newWithClass: isa];
if (pos < count)
return *(id*)[array itemAtIndex: pos++];
return nil;
}
- (void)reset
{
if (mutationsPtr != NULL && *mutationsPtr != mutations)
@throw [OFEnumerationMutationException newWithClass: isa];
pos = 0;
}
@end