added iOS source code

[wl-app.git] / iOS / Pods / Realm / Realm / RLMOptionalBase.mm

diff --git a/iOS/Pods/Realm/Realm/RLMOptionalBase.mm b/iOS/Pods/Realm/Realm/RLMOptionalBase.mm
new file mode 100644 (file)
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--- /dev/null
+++ b/iOS/Pods/Realm/Realm/RLMOptionalBase.mm
@@ -0,0 +1,89 @@
+////////////////////////////////////////////////////////////////////////////
+//
+// Copyright 2015 Realm Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+////////////////////////////////////////////////////////////////////////////
+
+#import "RLMAccessor.h"
+#import "RLMOptionalBase.h"
+#import "RLMObject_Private.h"
+#import "RLMObjectStore.h"
+#import "RLMProperty_Private.h"
+#import "RLMUtil.hpp"
+
+#import <objc/runtime.h>
+
+@interface RLMOptionalBase ()
+@property (nonatomic) id unmanagedValue;
+@end
+
+@implementation RLMOptionalBase
+
+- (instancetype)init {
+    return self;
+}
+
+- (id)underlyingValue {
+    if ((_object && _object->_realm) || _object.isInvalidated) {
+        return RLMDynamicGet(_object, _property);
+    }
+    else {
+        return _unmanagedValue;
+    }
+}
+
+- (void)setUnderlyingValue:(id)underlyingValue {
+    if ((_object && _object->_realm) || _object.isInvalidated) {
+        if (_property.isPrimary) {
+            @throw RLMException(@"Primary key can't be changed after an object is inserted.");
+        }
+        RLMDynamicSet(_object, _property, underlyingValue);
+    }
+    else {
+        NSString *propertyName = _property.name;
+        [_object willChangeValueForKey:propertyName];
+        _unmanagedValue = underlyingValue;
+        [_object didChangeValueForKey:propertyName];
+    }
+}
+
+- (BOOL)isKindOfClass:(Class)aClass {
+    return [self.underlyingValue isKindOfClass:aClass] || RLMIsKindOfClass(object_getClass(self), aClass);
+}
+
+- (NSMethodSignature *)methodSignatureForSelector:(SEL)sel {
+    return [self.underlyingValue methodSignatureForSelector:sel];
+}
+
+- (void)forwardInvocation:(NSInvocation *)invocation {
+    [invocation invokeWithTarget:self.underlyingValue];
+}
+
+- (id)forwardingTargetForSelector:(__unused SEL)sel {
+    return self.underlyingValue;
+}
+
+- (BOOL)respondsToSelector:(SEL)aSelector {
+    if (id val = self.underlyingValue) {
+        return [val respondsToSelector:aSelector];
+    }
+    return NO;
+}
+
+- (void)doesNotRecognizeSelector:(SEL)aSelector {
+    [self.underlyingValue doesNotRecognizeSelector:aSelector];
+}
+
+@end