OOShipGroup.h

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/*
OOShipGroup.h
 
A weak-referencing, mutable set of ships. Not thread safe.
 
 
Oolite
Copyright (C) 2004-2013 Giles C Williams and contributors
 
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
 
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA.
 
*/
 
#import "OOCocoa.h"
#import "OOWeakReference.h"
 
@class ShipEntity;
 
 
@interface OOShipGroup: OOWeakRefObject
#if OOLITE_FAST_ENUMERATION
<NSFastEnumeration>
#endif
{
@private
    NSUInteger              _count, _capacity;
    unsigned long           _updateCount;
    OOWeakReference          **_members;
    OOWeakReference          *_leader;
    NSString                *_name;
    
    struct JSObject         *_jsSelf;
}
 
- (id) init;
- (id) initWithName:(NSString *)name;
+ (instancetype) groupWithName:(NSString *)name;
+ (instancetype) groupWithName:(NSString *)name leader:(ShipEntity *)leader;
 
- (NSString *) name;
- (void) setName:(NSString *)name;
 
- (ShipEntity *) leader;
- (void) setLeader:(ShipEntity *)leader;
 
- (NSEnumerator *) objectEnumerator;
- (NSEnumerator *) mutationSafeEnumerator;  // Enumerate over contents at time this is called, even if actual group is mutated.
 
- (NSSet *) members;
- (NSArray *) memberArray;  // arbitrary order
- (NSSet *) membersExcludingLeader;
- (NSArray *) memberArrayExcludingLeader;   // arbitrary order
 
- (BOOL) containsShip:(ShipEntity *)ship;
- (BOOL) addShip:(ShipEntity *)ship;
- (BOOL) removeShip:(ShipEntity *)ship;
 
- (NSUInteger) count;      // NOTE: this is O(n).
- (BOOL) isEmpty;
 
@end