ObjFW  Check-in [0c9d2a8ce9]

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Comment:OFMutableArray: Safer removing of objects.
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SHA3-256: 0c9d2a8ce96c9bc68a172ed9682435159d4d57323b4587f723fcb858590f4564
User & Date: js on 2010-01-03 17:36:53
Other Links: manifest | tags
Context
2010-01-03
18:14
OFMutableArray: Add mutation counter, required for fast enumeration. check-in: fe56ea4a9c user: js tags: trunk
17:36
OFMutableArray: Safer removing of objects. check-in: 0c9d2a8ce9 user: js tags: trunk
17:28
Fix missing retain + autorelease on return. check-in: 0d9f732af1 user: js tags: trunk
Changes
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Modified src/OFMutableArray.m from [28d8f0b089] to [d5e78125eb]. 

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/*
 * Copyright (c) 2008 - 2009
 *   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"



#import "OFMutableArray.h"
#import "OFExceptions.h"

@implementation OFMutableArray
- (id)copy
{













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/*
 * Copyright (c) 2008 - 2009
 *   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 <string.h>

#import "OFMutableArray.h"
#import "OFExceptions.h"

@implementation OFMutableArray
- (id)copy
{
︙︙
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- removeObject: (OFObject*)obj
{
	OFObject **objs = [array cArray];
	size_t i, count = [array count];

	for (i = 0; i < count; i++) {
		if ([objs[i] isEqual: obj]) {
			[objs[i] release];
			[array removeItemAtIndex: i];

		}
	}

	return self;
}

- removeObjectIdenticalTo: (OFObject*)obj
{
	OFObject **objs = [array cArray];
	size_t i, count = [array count];

	for (i = 0; i < count; i++) {
		if (objs[i] == obj) {
			[obj release];
			[array removeItemAtIndex: i];

		}
	}

	return self;
}

- removeObjectAtIndex: (size_t)index
{
	return [self removeNObjects: 1
			    atIndex: index];
}

- removeNObjects: (size_t)nobjects
{
	OFObject **objs = [array cArray];
	size_t i, count = [array count];

	if (nobjects > count)
		@throw [OFOutOfRangeException newWithClass: isa];

	for (i = count - nobjects; i < count; i++)
		[objs[i] release];



	[array removeNItems: nobjects];







	return self;
}

- removeNObjects: (size_t)nobjects
	 atIndex: (size_t)index
{
	OFObject **objs = [array cArray];
	size_t i, count = [array count];

	if (nobjects > count - index)
		@throw [OFOutOfRangeException newWithClass: isa];

	for (i = index; i < count && i < index + nobjects; i++)

		[objs[i] release];


	[array removeNItems: nobjects
		    atIndex: index];







	return self;
}
@end








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- removeObject: (OFObject*)obj
{
	OFObject **objs = [array cArray];
	size_t i, count = [array count];

	for (i = 0; i < count; i++) {
		if ([objs[i] isEqual: obj]) {
			OFObject *obj = objs[i];
			[array removeItemAtIndex: i];
			[obj release];
		}
	}

	return self;
}

- removeObjectIdenticalTo: (OFObject*)obj
{
	OFObject **objs = [array cArray];
	size_t i, count = [array count];

	for (i = 0; i < count; i++) {
		if (objs[i] == obj) {

			[array removeItemAtIndex: i];
			[obj release];
		}
	}

	return self;
}

- removeObjectAtIndex: (size_t)index
{
	return [self removeNObjects: 1
			    atIndex: index];
}

- removeNObjects: (size_t)nobjects
{
	OFObject **objs = [array cArray], **copy;
	size_t i, count = [array count];

	if (nobjects > count)
		@throw [OFOutOfRangeException newWithClass: isa];

	copy = [self allocMemoryForNItems: nobjects
				 withSize: sizeof(OFObject*)];
	memcpy(copy, objs + (count - nobjects), nobjects * sizeof(OFObject*));

	@try {
		[array removeNItems: nobjects];

		for (i = 0; i < nobjects; i++)
			[copy[i] release];
	} @finally {
		[self freeMemory: copy];
	}

	return self;
}

- removeNObjects: (size_t)nobjects
	 atIndex: (size_t)index
{
	OFObject **objs = [array cArray], **copy;
	size_t i, count = [array count];

	if (nobjects > count - index)
		@throw [OFOutOfRangeException newWithClass: isa];

	copy = [self allocMemoryForNItems: nobjects
				 withSize: sizeof(OFObject*)];
	memcpy(copy, objs + index, nobjects * sizeof(OFObject*));

	@try {
		[array removeNItems: nobjects
			    atIndex: index];

		for (i = 0; i < nobjects; i++)
			[copy[i] release];
	} @finally {
		[self freeMemory: copy];
	}

	return self;
}
@end

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