This is a simple UUID class. SimonAndreasMenke

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AUUID.h

#import <Cocoa/Cocoa.h>

@interface AUUID : NSObject <NSCoding,NSCopying> { unsigned char uu[16]; }

• (AUUID*)uuid;

• (AUUID)uuidWithStringValue:(NSString)string;

• (id)init;

• (id)initWithStringValue:(NSString*)string;

• (NSString*)stringValue;

• (NSComparisonResult)compare:(AUUID*)uuid;

• (BOOL)isEqualToAUUID:(AUUID*)uuid;

• (void)encodeWithCoder:(NSCoder *)coder;
• (id)initWithCoder:(NSCoder *)coder;

@end

AUUID.m

#include <uuid/uuid.h> #import “AUUID.h”

@interface AUUID (priv)

• (id)_initWithUUIDData:(char*)data;
• (unsigned char*)_uu; @end

@implementation AUUID

• (AUUID*)uuid { return [[self class] alloc] init] autorelease]; }

• (AUUID)uuidWithStringValue:([[NSString)string { return [[self class] alloc] initWithStringValue:string] autorelease]; }

• (id)init { if ((self = [super init])) { uuid_generate(uu); } return self; }

• (id)initWithStringValue:([[NSString*)string { if ((self = [super init])) { if (uuid_parse([string UTF8String], uu) != 0) { [self release]; return nil; } } return self; }

• (id)_initWithUUIDData:(char)data { if ((self = [super init])) { strncpy((char)uu,data,sizeof(uuid_t)); } return self; }

• (NSString*)stringValue { char str[37]; uuid_unparse_upper(uu, str); return [[[NSString alloc] initWithUTF8String:str] autorelease]; }

• (NSComparisonResult)compare:(AUUID*)uuid { return uuid_compare(uu, [uuid _uu]); }

• (BOOL)isEqualToAUUID:(AUUID*)uuid { return ([self compare:uuid] == NSOrderedSame); }

• (NSString*)description { return [self stringValue]; }

• (unsigned char*)_uu { return uu; }

• (void)encodeWithCoder:(NSCoder *)coder { if ([coder allowsKeyedCoding]) { [coder encodeObject:[NSData dataWithBytes:uu length:sizeof(uuid_t)] forKey:@”uuid”]; } else { [coder encodeObject:[NSData dataWithBytes:uu length:sizeof(uuid_t)]]; } return; }

• (id)initWithCoder:(NSCoder )coder { if ((self = [super init])) { if ( [coder allowsKeyedCoding] ) { NSData data = coder decodeObjectForKey:@”uuid”] retain]; [data getBytes:uu length:sizeof(uuid_t)]; [data release]; } else { [[NSData* data = coder decodeObject] retain]; [data getBytes:uu length:sizeof(uuid_t)]; [data release]; } } return self; }

• (id)copyWithZone:([[NSZone )zone { return [[AUUID allocWithZone:zone] _initWithUUIDData:(char)uu]; }

@end