Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

81 lines (67 sloc) 2.75 kb
/*
* Copyright 2006 Martin Hedenfalk <martin@bzero.se>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "sys_tree.h"
struct rb_entry
{
RB_ENTRY(rb_entry) entry;
id obj;
SEL compareSelector;
};
/* This is an objective-c wrapper around sys_tree. sys_tree is a red-black tree
implementation. It invokes compare: on all objects you insert into it, to
figure out where to sort your objects. */
@interface MHSysTree : NSObject
{
unsigned _nitems;
RB_HEAD(id_tree, rb_entry) _root;
SEL _compareSelector;
#ifdef __OBJC_GC__
NSMutableSet *_strongRefs;
#endif
}
int id_cmp(struct rb_entry *a, struct rb_entry *b);
RB_PROTOTYPE(id_tree, rb_entry, entry, id_cmp);
- (id)initWithCompareSelector:(SEL)aSelector;
- (id)init;
- (MHSysTree *)copy;
- (void)addObject:(id)anObject;
- (void)addObjectsFromArray:(NSArray *)anArray;
- (void)removeObject:(id)anObject;
- (void)removeAllObjects;
- (unsigned)count;
- (BOOL)containsObject:(id)anObject;
- (id)find:(id)anObject;
- (struct rb_entry *)lookup:(id)anObject;
- (NSArray *)allObjects;
- (void)removeEntry:(struct rb_entry *)anEntry;
- (void)makeObjectsPerformSelector:(SEL)aSelector target:(id)aTarget context:(id)context;
- (struct rb_entry *)root;
- (struct rb_entry *)first;
- (struct rb_entry *)last;
- (struct rb_entry *)next:(struct rb_entry *)current;
- (struct rb_entry *)left:(struct rb_entry *)current;
- (struct rb_entry *)right:(struct rb_entry *)current;
- (struct rb_entry *)parent:(struct rb_entry *)current;
@end
Jump to Line
Something went wrong with that request. Please try again.