1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/bindings/Cocoa/MYVersionDictionary.mm	Thu Sep 24 21:47:06 2009 -0700
     1.3 @@ -0,0 +1,187 @@
     1.4 +//
     1.5 +//  MYVersionDictionary.m
     1.6 +//  Ottoman
     1.7 +//
     1.8 +//  Created by Jens Alfke on 9/21/09.
     1.9 +//  Copyright 2009 Jens Alfke. All rights reserved.
    1.10 +//
    1.11 +
    1.12 +#import "MYVersionDictionary.h"
    1.13 +#import "MYOttoman_internal.h"
    1.14 +#import <Foundation/Foundation.h>
    1.15 +
    1.16 +#include "VersionDictionary.h"
    1.17 +
    1.18 +using namespace Mooseyard;
    1.19 +
    1.20 +
    1.21 +@interface MYDictionaryEnumerator : NSEnumerator
    1.22 +{
    1.23 +    Dictionary::Iterator *_iter;
    1.24 +    BOOL _started;
    1.25 +}
    1.26 +- (id) initWithDict: (const Dictionary*)dict;
    1.27 +@end
    1.28 +
    1.29 +
    1.30 +
    1.31 +static id BlobToNSData (const Blob &blob, bool copy =true) {
    1.32 +    if (!blob)
    1.33 +        return nil;
    1.34 +    else if (copy)
    1.35 +        return [NSData dataWithBytes: blob.bytes length: blob.length];
    1.36 +    else
    1.37 +        return [NSData dataWithBytesNoCopy: (void*)blob.bytes
    1.38 +                                    length: blob.length
    1.39 +                              freeWhenDone: NO];
    1.40 +}
    1.41 +
    1.42 +static Blob BlobFromId (id object) {
    1.43 +    if ([object isKindOfClass: [NSData class]])
    1.44 +        return Blob([object bytes], [object length]);
    1.45 +    else 
    1.46 +        return Key();
    1.47 +}
    1.48 +
    1.49 +
    1.50 +
    1.51 +@implementation MYVersionDictionary
    1.52 +
    1.53 +
    1.54 +- (id) _initWithVersionDictionary: (VersionDictionary*)dict
    1.55 +{
    1.56 +    self = [super init];
    1.57 +    if (self != nil) {
    1.58 +        if (!dict) {
    1.59 +            [self release];
    1.60 +            return nil;
    1.61 +        }
    1.62 +        _dict = dict;
    1.63 +    }
    1.64 +    return self;
    1.65 +}
    1.66 +
    1.67 +
    1.68 +- (NSUInteger)count {
    1.69 +    return _dict->count();
    1.70 +}
    1.71 +
    1.72 +- (id)objectForKey:(id)keyObject {
    1.73 +    return BlobToNSData( _dict->get( Key(BlobFromId(keyObject)) ) );
    1.74 +}
    1.75 +
    1.76 +- (NSEnumerator *)keyEnumerator {
    1.77 +    return [[[MYDictionaryEnumerator alloc] initWithDict: _dict] autorelease];
    1.78 +}
    1.79 +
    1.80 +- (int) generation {
    1.81 +    return _dict->generation();
    1.82 +}
    1.83 +
    1.84 +- (NSDate*) dateCreated {
    1.85 +    return [NSDate dateWithTimeIntervalSince1970: _dict->timestamp()];
    1.86 +}
    1.87 +
    1.88 +- (BOOL) isLatestVersion {
    1.89 +    return _dict->isLatestVersion();
    1.90 +}
    1.91 +
    1.92 +- (MYVersionDictionary*) previousVersion {
    1.93 +    const VersionDictionary *prev = _dict->previousVersion();
    1.94 +    if (prev)
    1.95 +        return [[[MYVersionDictionary alloc] _initWithVersionDictionary: prev] autorelease];
    1.96 +    else
    1.97 +        return nil;
    1.98 +}
    1.99 +
   1.100 +@end
   1.101 +
   1.102 +
   1.103 +
   1.104 +
   1.105 +@implementation MYCurrentVersionDictionary
   1.106 +
   1.107 +
   1.108 +- (id) _initWithOverlayDictionary: (OverlayDictionary*)dict
   1.109 +{
   1.110 +    self = [super init];
   1.111 +    if (self != nil) {
   1.112 +        if (!dict) {
   1.113 +            [self release];
   1.114 +            return nil;
   1.115 +        }
   1.116 +        _dict = dict;
   1.117 +    }
   1.118 +    return self;
   1.119 +}
   1.120 +
   1.121 +
   1.122 +- (NSUInteger)count {
   1.123 +    return _dict->count();
   1.124 +}
   1.125 +
   1.126 +- (id)objectForKey:(id)keyObject {
   1.127 +    Blob keyBlob = BlobFromId(keyObject);
   1.128 +    return keyBlob ? BlobToNSData( _dict->get( Key(keyBlob) ) ) :nil;
   1.129 +}
   1.130 +
   1.131 +- (NSEnumerator *)keyEnumerator {
   1.132 +    return [[[MYDictionaryEnumerator alloc] initWithDict: _dict] autorelease];
   1.133 +}
   1.134 +
   1.135 +- (void)setObject:(id)anObject forKey:(id)aKey {
   1.136 +    Key key = Key(BlobFromId(aKey));
   1.137 +    NSAssert1(key, @"Invalid %@ key; only NSData supported", [aKey class]);
   1.138 +    Blob value = BlobFromId(anObject);
   1.139 +    NSAssert1(key, @"Invalid %@ value; only NSData supported", [aKey class]);
   1.140 +    _dict->put(key, value);
   1.141 +}
   1.142 +
   1.143 +- (void)removeObjectForKey:(id)aKey {
   1.144 +    Key key = Key(BlobFromId(aKey));
   1.145 +    NSAssert1(key, @"Invalid key class %@; only NSData supported", [aKey class]);
   1.146 +    _dict->remove(key);
   1.147 +}
   1.148 +
   1.149 +@end
   1.150 +
   1.151 +
   1.152 +
   1.153 +
   1.154 +@implementation MYDictionaryEnumerator
   1.155 +
   1.156 +- (id) initWithDict: (Dictionary*)dict
   1.157 +{
   1.158 +    self = [super init];
   1.159 +    if (self != nil) {
   1.160 +        _iter = dict->iterate();
   1.161 +    }
   1.162 +    return self;
   1.163 +}
   1.164 +
   1.165 +- (void) dealloc
   1.166 +{
   1.167 +    delete _iter;
   1.168 +    [super dealloc];
   1.169 +}
   1.170 +
   1.171 +- (void) finalize {
   1.172 +    delete _iter;
   1.173 +    [super finalize];
   1.174 +}
   1.175 +
   1.176 +- (id)nextObject {
   1.177 +    if (_started) {
   1.178 +        if (!_iter->next())
   1.179 +            return nil;
   1.180 +    } else {
   1.181 +        if (!_iter->hasValue())
   1.182 +            return nil;
   1.183 +        _started = YES;
   1.184 +    }
   1.185 +    Key key = _iter->key();
   1.186 +    return [NSData dataWithBytes: key.bytes length: key.length];
   1.187 +}
   1.188 +            
   1.189 +
   1.190 +@end