Version 0.9.0. See changelog.

CHANGELOG

@@ -1,3 +1,7 @@
+0.9.0 - January 28, 2013
+- Support primitive types (int, float, bool, double)
+- Improved performance due to accessor creation on start up
+
 0.4.1 - January 7, 2013
 - Fix endless loop if no transformKey: method was present
 

Example/AppDelegate.m

@@ -13,8 +13,8 @@
 
 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
     // Removing it for debugging, starting with a clean slate every time
-    [[NSUserDefaults standardUserDefaults] removeObjectForKey:@"NSUserDefaultUserName"];
-    [[NSUserDefaults standardUserDefaults] removeObjectForKey:@"NSUserDefaultUserId"];
+    NSString *appDomain = [[NSBundle mainBundle] bundleIdentifier];
+    [[NSUserDefaults standardUserDefaults] removePersistentDomainForName:appDomain];
 
     self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
     self.window.backgroundColor = [UIColor whiteColor];

Example/ExampleTests/ExampleTests.m

@@ -14,32 +14,37 @@
 - (void)setUp {
     [super setUp];
 
-    [[NSUserDefaults standardUserDefaults] removeObjectForKey:@"NSUserDefaultUserName"];
-    [[NSUserDefaults standardUserDefaults] removeObjectForKey:@"NSUserDefaultUserId"];
+    NSString *appDomain = [[NSBundle mainBundle] bundleIdentifier];
+    [[NSUserDefaults standardUserDefaults] removePersistentDomainForName:appDomain];
 }
 
 - (void)tearDown {
-    [[NSUserDefaults standardUserDefaults] removeObjectForKey:@"NSUserDefaultUserName"];
-    [[NSUserDefaults standardUserDefaults] removeObjectForKey:@"NSUserDefaultUserId"];
+    NSString *appDomain = [[NSBundle mainBundle] bundleIdentifier];
+    [[NSUserDefaults standardUserDefaults] removePersistentDomainForName:appDomain];
     [super tearDown];
 }
 
 - (void)testDefaults {
     STAssertEqualObjects([GVUserDefaults standardUserDefaults].userName, @"default", nil);
     STAssertEqualObjects([GVUserDefaults standardUserDefaults].userId, @1, nil);
+    STAssertEquals([GVUserDefaults standardUserDefaults].integerValue, 123, nil);
+    STAssertEquals([GVUserDefaults standardUserDefaults].boolValue, YES, nil);
 }
 
 - (void)testSetters {
     [GVUserDefaults standardUserDefaults].userName = @"changed";
     [GVUserDefaults standardUserDefaults].userId = @2;
+    [GVUserDefaults standardUserDefaults].integerValue = 456;
 
     STAssertEqualObjects([GVUserDefaults standardUserDefaults].userName, @"changed", nil);
     STAssertEqualObjects([GVUserDefaults standardUserDefaults].userId, @2, nil);
+    STAssertEquals([GVUserDefaults standardUserDefaults].integerValue, 456, nil);
 }
 
 - (void)testGetters {
     STAssertEqualObjects([GVUserDefaults standardUserDefaults].userName, [[NSUserDefaults standardUserDefaults] objectForKey:@"NSUserDefaultUserName"], nil);
     STAssertEqualObjects([GVUserDefaults standardUserDefaults].userId, [[NSUserDefaults standardUserDefaults] objectForKey:@"NSUserDefaultUserId"], nil);
+    STAssertEquals([GVUserDefaults standardUserDefaults].integerValue, [[NSUserDefaults standardUserDefaults] integerForKey:@"NSUserDefaultIntegerValue"], nil);
 }
 
 @end

Example/GVUserDefaults+Properties.h

@@ -12,5 +12,8 @@
 
 @property (nonatomic, weak) NSString *userName;
 @property (nonatomic, weak) NSNumber *userId;
+@property (nonatomic) NSInteger integerValue;
+@property (nonatomic) BOOL boolValue;
+@property (nonatomic) float floatValue;
 
 @end

Example/GVUserDefaults+Properties.m

@@ -10,10 +10,19 @@
 
 @implementation GVUserDefaults (Properties)
 
+@dynamic userName;
+@dynamic userId;
+@dynamic integerValue;
+@dynamic boolValue;
+@dynamic floatValue;
+
 - (NSDictionary *)setupDefaults {
     return @{
         @"userName": @"default",
-        @"userId": @1
+        @"userId": @1,
+        @"integerValue": @123,
+        @"boolValue": @YES,
+        @"floatValue": @12.3,
     };
 }
 
@@ -22,7 +31,4 @@
     return [NSString stringWithFormat:@"NSUserDefault%@", key];
 }
 
-@dynamic userName;
-@dynamic userId;
-
 @end

Example/ViewController.m

@@ -15,28 +15,106 @@
 - (void)viewDidLoad {
     [super viewDidLoad];
 
-    NSString *test;
-
-    LogTimestamp;
-
-    test = [[NSUserDefaults standardUserDefaults] objectForKey:@"NSUserDefaultUserName"];
-
-    LogTimestamp;
-
-    test = [GVUserDefaults standardUserDefaults].userName;
-    NSLog(@"userName: %@", test);
-
-    LogTimestamp;
-
-    [[NSUserDefaults standardUserDefaults] setObject:@"Hello!" forKey:@"NSUSerDefaultUserName"];
-
-    LogTimestamp;
-
-    [GVUserDefaults standardUserDefaults].userName = @"Hello!";
-
-    LogTimestamp;
+    NSLog(@"Should be null:");
+    NSLog(@"userName: %@", [[NSUserDefaults standardUserDefaults] objectForKey:@"NSUserDefaultUserName"]);
+    NSLog(@"--------------------");
 
+    NSLog(@"Should be default:");
     NSLog(@"userName: %@", [GVUserDefaults standardUserDefaults].userName);
+    NSLog(@"--------------------");
+
+    [[NSUserDefaults standardUserDefaults] setObject:@"test1" forKey:@"NSUserDefaultUserName"];
+
+    NSLog(@"Should all be test1:");
+    NSLog(@"userName: %@", [[NSUserDefaults standardUserDefaults] objectForKey:@"NSUserDefaultUserName"]);
+    NSLog(@"userName: %@", [GVUserDefaults standardUserDefaults].userName);
+    NSLog(@"--------------------");
+
+    [GVUserDefaults standardUserDefaults].userName = @"Test 2";
+
+    NSLog(@"Should all be test2:");
+    NSLog(@"userName: %@", [[NSUserDefaults standardUserDefaults] objectForKey:@"NSUserDefaultUserName"]);
+    NSLog(@"userName: %@", [GVUserDefaults standardUserDefaults].userName);
+    NSLog(@"--------------------");
+
+    [[NSUserDefaults standardUserDefaults] removeObjectForKey:@"NSUserDefaultUserName"];
+
+    NSLog(@"Should all be default:");
+    NSLog(@"userName: %@", [[NSUserDefaults standardUserDefaults] objectForKey:@"NSUserDefaultUserName"]);
+    NSLog(@"userName: %@", [GVUserDefaults standardUserDefaults].userName);
+    NSLog(@"--------------------");
+
+    ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+    NSLog(@"Should all be 123:");
+    NSLog(@"integerValue: %i", [GVUserDefaults standardUserDefaults].integerValue);
+    NSLog(@"integerValue: %i", [[NSUserDefaults standardUserDefaults] integerForKey:@"NSUserDefaultIntegerValue"]);
+    NSLog(@"integerValue OBJECT: %@", [[NSUserDefaults standardUserDefaults] objectForKey:@"NSUserDefaultIntegerValue"]);
+    NSLog(@"--------------------");
+
+    [GVUserDefaults standardUserDefaults].integerValue = 789;
+
+    NSLog(@"Should all be 789:");
+    NSLog(@"integerValue: %i", [GVUserDefaults standardUserDefaults].integerValue);
+    NSLog(@"integerValue: %i", [[NSUserDefaults standardUserDefaults] integerForKey:@"NSUserDefaultIntegerValue"]);
+    NSLog(@"integerValue OBJECT: %@", [[NSUserDefaults standardUserDefaults] objectForKey:@"NSUserDefaultIntegerValue"]);
+    NSLog(@"--------------------");
+
+    [[NSUserDefaults standardUserDefaults] removeObjectForKey:@"NSUserDefaultIntegerValue"];
+
+    NSLog(@"Should all be 123:");
+    NSLog(@"integerValue: %i", [GVUserDefaults standardUserDefaults].integerValue);
+    NSLog(@"integerValue: %i", [[NSUserDefaults standardUserDefaults] integerForKey:@"NSUserDefaultIntegerValue"]);
+    NSLog(@"integerValue OBJECT: %@", [[NSUserDefaults standardUserDefaults] objectForKey:@"NSUserDefaultIntegerValue"]);
+    NSLog(@"--------------------");
+
+    ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+    NSLog(@"Should all be 1:");
+    NSLog(@"boolValue: %i", [GVUserDefaults standardUserDefaults].boolValue);
+    NSLog(@"boolValue: %i", [[NSUserDefaults standardUserDefaults] integerForKey:@"NSUserDefaultBoolValue"]);
+    NSLog(@"boolValue OBJECT: %@", [[NSUserDefaults standardUserDefaults] objectForKey:@"NSUserDefaultBoolValue"]);
+    NSLog(@"--------------------");
+
+    [GVUserDefaults standardUserDefaults].boolValue = NO;
+
+    NSLog(@"Should all be 0:");
+    NSLog(@"boolValue: %i", [GVUserDefaults standardUserDefaults].boolValue);
+    NSLog(@"boolValue: %i", [[NSUserDefaults standardUserDefaults] integerForKey:@"NSUserDefaultBoolValue"]);
+    NSLog(@"boolValue OBJECT: %@", [[NSUserDefaults standardUserDefaults] objectForKey:@"NSUserDefaultBoolValue"]);
+    NSLog(@"--------------------");
+
+    [[NSUserDefaults standardUserDefaults] removeObjectForKey:@"NSUserDefaultBoolValue"];
+
+    NSLog(@"Should all be 1:");
+    NSLog(@"boolValue: %i", [GVUserDefaults standardUserDefaults].boolValue);
+    NSLog(@"boolValue: %i", [[NSUserDefaults standardUserDefaults] integerForKey:@"NSUserDefaultBoolValue"]);
+    NSLog(@"boolValue OBJECT: %@", [[NSUserDefaults standardUserDefaults] objectForKey:@"NSUserDefaultBoolValue"]);
+    NSLog(@"--------------------");
+
+    ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+    NSLog(@"Should all be 12.3:");
+    NSLog(@"floatValue: %f", [GVUserDefaults standardUserDefaults].floatValue);
+    NSLog(@"floatValue: %f", [[NSUserDefaults standardUserDefaults] floatForKey:@"NSUserDefaultFloatValue"]);
+    NSLog(@"floatValue OBJECT: %@", [[NSUserDefaults standardUserDefaults] objectForKey:@"NSUserDefaultFloatValue"]);
+    NSLog(@"--------------------");
+
+    [GVUserDefaults standardUserDefaults].floatValue = 66.6;
+
+    NSLog(@"Should all be 66.6:");
+    NSLog(@"floatValue: %f", [GVUserDefaults standardUserDefaults].floatValue);
+    NSLog(@"floatValue: %f", [[NSUserDefaults standardUserDefaults] floatForKey:@"NSUserDefaultFloatValue"]);
+    NSLog(@"floatValue OBJECT: %@", [[NSUserDefaults standardUserDefaults] objectForKey:@"NSUserDefaultFloatValue"]);
+    NSLog(@"--------------------");
+
+    [[NSUserDefaults standardUserDefaults] removeObjectForKey:@"NSUserDefaultFloatValue"];
+
+    NSLog(@"Should all be 12.3:");
+    NSLog(@"floatValue: %f", [GVUserDefaults standardUserDefaults].floatValue);
+    NSLog(@"floatValue: %f", [[NSUserDefaults standardUserDefaults] floatForKey:@"NSUserDefaultFloatValue"]);
+    NSLog(@"floatValue OBJECT: %@", [[NSUserDefaults standardUserDefaults] objectForKey:@"NSUserDefaultFloatValue"]);
+    NSLog(@"--------------------");
 }
 
 @end

GVUserDefaults.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "GVUserDefaults"
-  s.version      = "0.4.1"
+  s.version      = "0.9.0"
   s.summary      = "NSUserDefaults access via properties."
   s.homepage     = "https://github.com/gangverk/GVUserDefaults"
   s.license      = 'MIT'

GVUserDefaults/GVUserDefaults.m

@@ -9,8 +9,104 @@
 #import "GVUserDefaults.h"
 #import <objc/runtime.h>
 
+@interface GVUserDefaults ()
+@property (strong, nonatomic) NSMutableDictionary *mapping;
+@end
+
 @implementation GVUserDefaults
 
+enum TypeEncodings {
+    Char                = 'c',
+    Short               = 's',
+    Int                 = 'i',
+    Long                = 'l',
+    LongLong            = 'q',
+    UnsignedChar        = 'C',
+    UnsignedShort       = 'S',
+    UnsignedInt         = 'I',
+    UnsignedLong        = 'L',
+    UnsignedLongLong    = 'Q',
+    Float               = 'f',
+    Double              = 'd',
+    Object              = '@'
+};
+
+- (NSString *)defaultsKeyForPropertyNamed:(char const *)propertyName {
+    NSString *key = [NSString stringWithFormat:@"%s", propertyName];
+    return [self _transformKey:key];
+}
+
+- (NSString *)defaultsKeyForSelector:(SEL)selector {
+    return [self.mapping objectForKey:NSStringFromSelector(selector)];
+}
+
+static long long longLongGetter(GVUserDefaults *self, SEL _cmd) {
+    NSString *key = [self defaultsKeyForSelector:_cmd];
+    return [[[NSUserDefaults standardUserDefaults] objectForKey:key] longLongValue];
+}
+
+static void longLongSetter(GVUserDefaults *self, SEL _cmd, long long value) {
+    NSString *key = [self defaultsKeyForSelector:_cmd];
+    NSNumber *object = [NSNumber numberWithLongLong:value];
+    [[NSUserDefaults standardUserDefaults] setObject:object forKey:key];
+}
+
+static bool boolGetter(GVUserDefaults *self, SEL _cmd) {
+    NSString *key = [self defaultsKeyForSelector:_cmd];
+    return [[NSUserDefaults standardUserDefaults] boolForKey:key];
+}
+
+static void boolSetter(GVUserDefaults *self, SEL _cmd, bool value) {
+    NSString *key = [self defaultsKeyForSelector:_cmd];
+    [[NSUserDefaults standardUserDefaults] setBool:value forKey:key];
+}
+
+static int integerGetter(GVUserDefaults *self, SEL _cmd) {
+    NSString *key = [self defaultsKeyForSelector:_cmd];
+    return [[NSUserDefaults standardUserDefaults] integerForKey:key];
+}
+
+static void integerSetter(GVUserDefaults *self, SEL _cmd, int value) {
+    NSString *key = [self defaultsKeyForSelector:_cmd];
+    [[NSUserDefaults standardUserDefaults] setInteger:value forKey:key];
+}
+
+static float floatGetter(GVUserDefaults *self, SEL _cmd) {
+    NSString *key = [self defaultsKeyForSelector:_cmd];
+    return [[NSUserDefaults standardUserDefaults] floatForKey:key];
+}
+
+static void floatSetter(GVUserDefaults *self, SEL _cmd, float value) {
+    NSString *key = [self defaultsKeyForSelector:_cmd];
+    [[NSUserDefaults standardUserDefaults] setFloat:value forKey:key];
+}
+
+static double doubleGetter(GVUserDefaults *self, SEL _cmd) {
+    NSString *key = [self defaultsKeyForSelector:_cmd];
+    return [[NSUserDefaults standardUserDefaults] doubleForKey:key];
+}
+
+static void doubleSetter(GVUserDefaults *self, SEL _cmd, double value) {
+    NSString *key = [self defaultsKeyForSelector:_cmd];
+    [[NSUserDefaults standardUserDefaults] setDouble:value forKey:key];
+}
+
+static id objectGetter(GVUserDefaults *self, SEL _cmd) {
+    NSString *key = [self defaultsKeyForSelector:_cmd];
+    return [[NSUserDefaults standardUserDefaults] objectForKey:key];
+}
+
+static void objectSetter(GVUserDefaults *self, SEL _cmd, id object) {
+    NSString *key = [self defaultsKeyForSelector:_cmd];
+    if (object) {
+        [[NSUserDefaults standardUserDefaults] setObject:object forKey:key];
+    } else {
+        [[NSUserDefaults standardUserDefaults] removeObjectForKey:key];
+    }
+}
+
+#pragma mark - Begin
+
 + (GVUserDefaults *)standardUserDefaults {
     static dispatch_once_t pred;
     static GVUserDefaults *sharedInstance = nil;
@@ -31,27 +127,12 @@
             }
             [[NSUserDefaults standardUserDefaults] registerDefaults:mutableDefaults];
         }
+
+        [self generateAccessorMethods];
     }
     return self;
 }
 
-+ (BOOL)resolveInstanceMethod:(SEL)aSEL {
-    NSString *method = NSStringFromSelector(aSEL);
-
-    if ([method isEqualToString:@"transformKey:"] || [method isEqualToString:@"setupDefaults"]) {
-        // Prevent endless loop for optional (and missing) category methods
-        return [super resolveInstanceMethod:aSEL];
-    }
-
-    if ([method hasPrefix:@"set"]) {
-        class_addMethod([self class], aSEL, (IMP) accessorSetter, "v@:@");
-        return YES;
-    } else {
-        class_addMethod([self class], aSEL, (IMP) accessorGetter, "@@:");
-        return YES;
-    }
-}
-
 - (NSString *)_transformKey:(NSString *)key {
     if ([self respondsToSelector:@selector(transformKey:)]) {
         return [self performSelector:@selector(transformKey:) withObject:key];
@@ -60,20 +141,98 @@
     return key;
 }
 
-id accessorGetter(GVUserDefaults *self, SEL _cmd) {
-    NSString *key = NSStringFromSelector(_cmd);
-    key = [self _transformKey:key];
-    return [[NSUserDefaults standardUserDefaults] objectForKey:key];
-}
+- (void)generateAccessorMethods {
+    unsigned int count = 0;
+    objc_property_t *properties = class_copyPropertyList([self class], &count);
 
-void accessorSetter(GVUserDefaults *self, SEL _cmd, id newValue) {
-    NSString *method = NSStringFromSelector(_cmd);
-    NSString *key = [[method stringByReplacingCharactersInRange:NSMakeRange(0, 3) withString:@""] stringByReplacingOccurrencesOfString:@":" withString:@""];
-    key = [key stringByReplacingCharactersInRange:NSMakeRange(0,1) withString:[[key substringToIndex:1] lowercaseString]];
-    key = [self _transformKey:key];
+    self.mapping = [NSMutableDictionary dictionary];
 
-    // Set value of the key anID to newValue
-    [[NSUserDefaults standardUserDefaults] setObject:newValue forKey:key];
+    for (int i = 0; i < count; ++i) {
+        objc_property_t property = properties[i];
+        const char *name = property_getName(property);
+        const char *attributes = property_getAttributes(property);
+
+        char *getter = strstr(attributes, ",G");
+        if (getter) {
+            getter = strdup(getter + 2);
+            getter = strsep(&getter, ",");
+        } else {
+            getter = strdup(name);
+        }
+        SEL getterSel = sel_registerName(getter);
+        free(getter);
+
+        char *setter = strstr(attributes, ",S");
+        if (setter) {
+            setter = strdup(setter + 2);
+            setter = strsep(&setter, ",");
+        } else {
+            asprintf(&setter, "set%c%s:", toupper(name[0]), name + 1);
+        }
+        SEL setterSel = sel_registerName(setter);
+        free(setter);
+
+        NSString *key = [self defaultsKeyForPropertyNamed:name];
+        [self.mapping setValue:key forKey:NSStringFromSelector(getterSel)];
+        [self.mapping setValue:key forKey:NSStringFromSelector(setterSel)];
+
+        IMP getterImp = NULL;
+        IMP setterImp = NULL;
+        char type = attributes[1];
+        switch (type) {
+            case Short:
+            case Long:
+            case LongLong:
+            case UnsignedChar:
+            case UnsignedShort:
+            case UnsignedInt:
+            case UnsignedLong:
+            case UnsignedLongLong:
+                getterImp = (IMP)longLongGetter;
+                setterImp = (IMP)longLongSetter;
+                break;
+
+            case Char:
+                getterImp = (IMP)boolGetter;
+                setterImp = (IMP)boolSetter;
+                break;
+
+            case Int:
+                getterImp = (IMP)integerGetter;
+                setterImp = (IMP)integerSetter;
+                break;
+
+            case Float:
+                getterImp = (IMP)floatGetter;
+                setterImp = (IMP)floatSetter;
+                break;
+
+            case Double:
+                getterImp = (IMP)doubleGetter;
+                setterImp = (IMP)doubleSetter;
+                break;
+
+            case Object:
+                getterImp = (IMP)objectGetter;
+                setterImp = (IMP)objectSetter;
+                break;
+
+            default:
+                free(properties);
+                [NSException raise:NSInternalInconsistencyException format:@"Unsupported type of property \"%s\" in class %@", name, self];
+                break;
+        }
+
+        char types[5];
+
+        snprintf(types, 4, "%c@:", type);
+        class_addMethod([self class], getterSel, getterImp, types);
+        
+        snprintf(types, 5, "v@:%c", type);
+        class_addMethod([self class], setterSel, setterImp, types);
+    }
+
+    free(properties);
 }
 
 @end

README.md

@@ -9,12 +9,18 @@ Create a category on `GVUserDefaults`, add some properties in the .h file and ma
     @interface GVUserDefaults (Properties)
     @property (nonatomic, weak) NSString *userName;
     @property (nonatomic, weak) NSNumber *userId;
+    @property (nonatomic) NSInteger integerValue;
+    @property (nonatomic) BOOL boolValue;
+    @property (nonatomic) float floatValue;
     @end
 
     // .m
     @implementation GVUserDefaults (Properties)
     @dynamic userName;
     @dynamic userId;
+    @dynamic integerValue;
+    @dynamic boolValue;
+    @dynamic floatValue;
     @end
 
 Now, instead of using `[[NSUserDefaults standardUserDefaults] objectForKey:@"userName"]`, you can simply use `[GVUserDefaults standardUserDefaults].userName`.
@@ -23,8 +29,6 @@ You can even save defaults by setting the property:
 
     [GVUserDefaults standardUserDefaults].userName = @"myusername";
 
-### Objects only
-At this moment only objects can be stored, so no integers or booleans. Just wrap them in an NSNumber.
 
 ### Key prefix
 The keys in NSUserDefaults are the same name as your properties. If you'd like to prefix or alter them, add a `transformKey:` method to your category. For example, to turn "userName" into "NSUserDefaultUserName":
@@ -78,3 +82,7 @@ GVUserDefaults is an open source project and your contribution is very much appr
 
 ## License
 GVUserDefaults is available under the MIT license. See the LICENSE file for more info.
+
+
+## Thanks
+A huge thank you goes to [ADVUserDefaults](https://github.com/advantis/ADVUserDefaults) for its method of creating accessors for primitive types.