--- /dev/null
+////////////////////////////////////////////////////////////////////////////
+//
+// Copyright 2014 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 "RLMObject_Private.hpp"
+
+#import "RLMAccessor.h"
+#import "RLMArray_Private.hpp"
+#import "RLMListBase.h"
+#import "RLMObjectSchema_Private.hpp"
+#import "RLMObjectStore.h"
+#import "RLMObservation.hpp"
+#import "RLMOptionalBase.h"
+#import "RLMProperty_Private.h"
+#import "RLMRealm_Private.hpp"
+#import "RLMSchema_Private.h"
+#import "RLMSwiftSupport.h"
+#import "RLMThreadSafeReference_Private.hpp"
+#import "RLMUtil.hpp"
+
+#import "object.hpp"
+#import "shared_realm.hpp"
+
+using namespace realm;
+
+const NSUInteger RLMDescriptionMaxDepth = 5;
+
+static bool maybeInitObjectSchemaForUnmanaged(RLMObjectBase *obj) {
+ obj->_objectSchema = [obj.class sharedSchema];
+ if (!obj->_objectSchema) {
+ return false;
+ }
+
+ // set default values
+ if (!obj->_objectSchema.isSwiftClass) {
+ NSDictionary *dict = RLMDefaultValuesForObjectSchema(obj->_objectSchema);
+ for (NSString *key in dict) {
+ [obj setValue:dict[key] forKey:key];
+ }
+ }
+
+ // set unmanaged accessor class
+ object_setClass(obj, obj->_objectSchema.unmanagedClass);
+ return true;
+}
+
+@interface RLMObjectBase () <RLMThreadConfined, RLMThreadConfined_Private>
+@end
+
+@implementation RLMObjectBase
+// unmanaged init
+- (instancetype)init {
+ if ((self = [super init])) {
+ maybeInitObjectSchemaForUnmanaged(self);
+ }
+ return self;
+}
+
+- (void)dealloc {
+ // This can't be a unique_ptr because associated objects are removed
+ // *after* c++ members are destroyed and dealloc is called, and we need it
+ // to be in a validish state when that happens
+ delete _observationInfo;
+ _observationInfo = nullptr;
+}
+
+static id coerceToObjectType(id obj, Class cls, RLMSchema *schema) {
+ return [obj isKindOfClass:cls] ? obj : [[cls alloc] initWithValue:obj schema:schema];
+}
+
+static id validatedObjectForProperty(__unsafe_unretained id const obj,
+ __unsafe_unretained RLMObjectSchema *const objectSchema,
+ __unsafe_unretained RLMProperty *const prop,
+ __unsafe_unretained RLMSchema *const schema) {
+ RLMValidateValueForProperty(obj, objectSchema, prop);
+ if (!obj || obj == NSNull.null) {
+ return nil;
+ }
+ if (prop.type == RLMPropertyTypeObject) {
+ Class objectClass = schema[prop.objectClassName].objectClass;
+ if (prop.array) {
+ NSMutableArray *ret = [[NSMutableArray alloc] init];
+ for (id el in obj) {
+ [ret addObject:coerceToObjectType(el, objectClass, schema)];
+ }
+ return ret;
+ }
+ return coerceToObjectType(obj, objectClass, schema);
+ }
+ return obj;
+}
+
+- (instancetype)initWithValue:(id)value schema:(RLMSchema *)schema {
+ if (!(self = [super init])) {
+ return self;
+ }
+
+ if (!value || value == NSNull.null) {
+ @throw RLMException(@"Must provide a non-nil value.");
+ }
+
+ if (!maybeInitObjectSchemaForUnmanaged(self)) {
+ // Don't populate fields from the passed-in object if we're called
+ // during schema init
+ return self;
+ }
+
+ NSArray *properties = _objectSchema.properties;
+ if (NSArray *array = RLMDynamicCast<NSArray>(value)) {
+ if (array.count > properties.count) {
+ @throw RLMException(@"Invalid array input: more values (%llu) than properties (%llu).",
+ (unsigned long long)array.count, (unsigned long long)properties.count);
+ }
+ NSUInteger i = 0;
+ for (id val in array) {
+ RLMProperty *prop = properties[i++];
+ [self setValue:validatedObjectForProperty(RLMCoerceToNil(val), _objectSchema, prop, schema)
+ forKey:prop.name];
+ }
+ }
+ else {
+ // assume our object is an NSDictionary or an object with kvc properties
+ for (RLMProperty *prop in properties) {
+ id obj = RLMValidatedValueForProperty(value, prop.name, _objectSchema.className);
+
+ // don't set unspecified properties
+ if (!obj) {
+ continue;
+ }
+
+ [self setValue:validatedObjectForProperty(RLMCoerceToNil(obj), _objectSchema, prop, schema)
+ forKey:prop.name];
+ }
+ }
+
+ return self;
+}
+
+id RLMCreateManagedAccessor(Class cls, __unsafe_unretained RLMRealm *realm, RLMClassInfo *info) {
+ RLMObjectBase *obj = [[cls alloc] initWithRealm:realm schema:info->rlmObjectSchema];
+ obj->_info = info;
+ return obj;
+}
+
+- (instancetype)initWithRealm:(__unsafe_unretained RLMRealm *const)realm
+ schema:(RLMObjectSchema *)schema {
+ self = [super init];
+ if (self) {
+ _realm = realm;
+ _objectSchema = schema;
+ }
+ return self;
+}
+
+- (id)valueForKey:(NSString *)key {
+ if (_observationInfo) {
+ return _observationInfo->valueForKey(key);
+ }
+ return [super valueForKey:key];
+}
+
+// Generic Swift properties can't be dynamic, so KVO doesn't work for them by default
+- (id)valueForUndefinedKey:(NSString *)key {
+ if (Ivar ivar = _objectSchema[key].swiftIvar) {
+ return RLMCoerceToNil(object_getIvar(self, ivar));
+ }
+ return [super valueForUndefinedKey:key];
+}
+
+- (void)setValue:(id)value forUndefinedKey:(NSString *)key {
+ value = RLMCoerceToNil(value);
+ RLMProperty *property = _objectSchema[key];
+ if (Ivar ivar = property.swiftIvar) {
+ if (property.array && (!value || [value conformsToProtocol:@protocol(NSFastEnumeration)])) {
+ RLMArray *array = [object_getIvar(self, ivar) _rlmArray];
+ [array removeAllObjects];
+
+ if (value) {
+ [array addObjects:validatedObjectForProperty(value, _objectSchema, property,
+ RLMSchema.partialPrivateSharedSchema)];
+ }
+ }
+ else if (property.optional) {
+ RLMOptionalBase *optional = object_getIvar(self, ivar);
+ optional.underlyingValue = value;
+ }
+ return;
+ }
+ [super setValue:value forUndefinedKey:key];
+}
+
+// overridden at runtime per-class for performance
++ (NSString *)className {
+ NSString *className = NSStringFromClass(self);
+ if ([RLMSwiftSupport isSwiftClassName:className]) {
+ className = [RLMSwiftSupport demangleClassName:className];
+ }
+ return className;
+}
+
+// overridden at runtime per-class for performance
++ (RLMObjectSchema *)sharedSchema {
+ return [RLMSchema sharedSchemaForClass:self.class];
+}
+
++ (void)initializeLinkedObjectSchemas {
+ for (RLMProperty *prop in self.sharedSchema.properties) {
+ if (prop.type == RLMPropertyTypeObject && !RLMSchema.partialPrivateSharedSchema[prop.objectClassName]) {
+ [[RLMSchema classForString:prop.objectClassName] initializeLinkedObjectSchemas];
+ }
+ }
+}
+
++ (Class)objectUtilClass:(BOOL)isSwift {
+ return RLMObjectUtilClass(isSwift);
+}
+
+- (NSString *)description
+{
+ if (self.isInvalidated) {
+ return @"[invalid object]";
+ }
+
+ return [self descriptionWithMaxDepth:RLMDescriptionMaxDepth];
+}
+
+- (NSString *)descriptionWithMaxDepth:(NSUInteger)depth {
+ if (depth == 0) {
+ return @"<Maximum depth exceeded>";
+ }
+
+ NSString *baseClassName = _objectSchema.className;
+ NSMutableString *mString = [NSMutableString stringWithFormat:@"%@ {\n", baseClassName];
+
+ for (RLMProperty *property in _objectSchema.properties) {
+ id object = RLMObjectBaseObjectForKeyedSubscript(self, property.name);
+ NSString *sub;
+ if ([object respondsToSelector:@selector(descriptionWithMaxDepth:)]) {
+ sub = [object descriptionWithMaxDepth:depth - 1];
+ }
+ else if (property.type == RLMPropertyTypeData) {
+ static NSUInteger maxPrintedDataLength = 24;
+ NSData *data = object;
+ NSUInteger length = data.length;
+ if (length > maxPrintedDataLength) {
+ data = [NSData dataWithBytes:data.bytes length:maxPrintedDataLength];
+ }
+ NSString *dataDescription = [data description];
+ sub = [NSString stringWithFormat:@"<%@ — %lu total bytes>", [dataDescription substringWithRange:NSMakeRange(1, dataDescription.length - 2)], (unsigned long)length];
+ }
+ else {
+ sub = [object description];
+ }
+ [mString appendFormat:@"\t%@ = %@;\n", property.name, [sub stringByReplacingOccurrencesOfString:@"\n" withString:@"\n\t"]];
+ }
+ [mString appendString:@"}"];
+
+ return [NSString stringWithString:mString];
+}
+
+- (RLMRealm *)realm {
+ return _realm;
+}
+
+- (RLMObjectSchema *)objectSchema {
+ return _objectSchema;
+}
+
+- (BOOL)isInvalidated {
+ // if not unmanaged and our accessor has been detached, we have been deleted
+ return self.class == _objectSchema.accessorClass && !_row.is_attached();
+}
+
+- (BOOL)isEqual:(id)object {
+ if (RLMObjectBase *other = RLMDynamicCast<RLMObjectBase>(object)) {
+ if (_objectSchema.primaryKeyProperty) {
+ return RLMObjectBaseAreEqual(self, other);
+ }
+ }
+ return [super isEqual:object];
+}
+
+- (NSUInteger)hash {
+ if (_objectSchema.primaryKeyProperty) {
+ id primaryProperty = [self valueForKey:_objectSchema.primaryKeyProperty.name];
+
+ // modify the hash of our primary key value to avoid potential (although unlikely) collisions
+ return [primaryProperty hash] ^ 1;
+ }
+ else {
+ return [super hash];
+ }
+}
+
++ (BOOL)shouldIncludeInDefaultSchema {
+ return RLMIsObjectSubclass(self);
+}
+
++ (NSString *)_realmObjectName {
+ return nil;
+}
+
+- (id)mutableArrayValueForKey:(NSString *)key {
+ id obj = [self valueForKey:key];
+ if ([obj isKindOfClass:[RLMArray class]]) {
+ return obj;
+ }
+ return [super mutableArrayValueForKey:key];
+}
+
+- (void)addObserver:(id)observer
+ forKeyPath:(NSString *)keyPath
+ options:(NSKeyValueObservingOptions)options
+ context:(void *)context {
+ if (!_observationInfo) {
+ _observationInfo = new RLMObservationInfo(self);
+ }
+ _observationInfo->recordObserver(_row, _info, _objectSchema, keyPath);
+
+ [super addObserver:observer forKeyPath:keyPath options:options context:context];
+}
+
+- (void)removeObserver:(NSObject *)observer forKeyPath:(NSString *)keyPath {
+ [super removeObserver:observer forKeyPath:keyPath];
+ if (_observationInfo)
+ _observationInfo->removeObserver();
+}
+
++ (BOOL)automaticallyNotifiesObserversForKey:(NSString *)key {
+ const char *className = class_getName(self);
+ const char accessorClassPrefix[] = "RLM:Managed";
+ if (!strncmp(className, accessorClassPrefix, sizeof(accessorClassPrefix) - 1)) {
+ if ([class_getSuperclass(self.class) sharedSchema][key]) {
+ return NO;
+ }
+ }
+
+ return [super automaticallyNotifiesObserversForKey:key];
+}
+
+#pragma mark - Thread Confined Protocol Conformance
+
+- (std::unique_ptr<realm::ThreadSafeReferenceBase>)makeThreadSafeReference {
+ Object object(_realm->_realm, *_info->objectSchema, _row);
+ realm::ThreadSafeReference<Object> reference = _realm->_realm->obtain_thread_safe_reference(std::move(object));
+ return std::make_unique<realm::ThreadSafeReference<Object>>(std::move(reference));
+}
+
+- (id)objectiveCMetadata {
+ return nil;
+}
+
++ (instancetype)objectWithThreadSafeReference:(std::unique_ptr<realm::ThreadSafeReferenceBase>)reference
+ metadata:(__unused id)metadata
+ realm:(RLMRealm *)realm {
+ REALM_ASSERT_DEBUG(dynamic_cast<realm::ThreadSafeReference<Object> *>(reference.get()));
+ auto object_reference = static_cast<realm::ThreadSafeReference<Object> *>(reference.get());
+
+ Object object = realm->_realm->resolve_thread_safe_reference(std::move(*object_reference));
+ if (!object.is_valid()) {
+ return nil;
+ }
+ NSString *objectClassName = @(object.get_object_schema().name.c_str());
+
+ return RLMCreateObjectAccessor(realm, realm->_info[objectClassName], object.row().get_index());
+}
+
+@end
+
+RLMRealm *RLMObjectBaseRealm(__unsafe_unretained RLMObjectBase *object) {
+ return object ? object->_realm : nil;
+}
+
+RLMObjectSchema *RLMObjectBaseObjectSchema(__unsafe_unretained RLMObjectBase *object) {
+ return object ? object->_objectSchema : nil;
+}
+
+id RLMObjectBaseObjectForKeyedSubscript(RLMObjectBase *object, NSString *key) {
+ if (!object) {
+ return nil;
+ }
+
+ if (object->_realm) {
+ return RLMDynamicGetByName(object, key, false);
+ }
+ else {
+ return [object valueForKey:key];
+ }
+}
+
+void RLMObjectBaseSetObjectForKeyedSubscript(RLMObjectBase *object, NSString *key, id obj) {
+ if (!object) {
+ return;
+ }
+
+ if (object->_realm) {
+ RLMDynamicValidatedSet(object, key, obj);
+ }
+ else {
+ [object setValue:obj forKey:key];
+ }
+}
+
+
+BOOL RLMObjectBaseAreEqual(RLMObjectBase *o1, RLMObjectBase *o2) {
+ // if not the correct types throw
+ if ((o1 && ![o1 isKindOfClass:RLMObjectBase.class]) || (o2 && ![o2 isKindOfClass:RLMObjectBase.class])) {
+ @throw RLMException(@"Can only compare objects of class RLMObjectBase");
+ }
+ // if identical object (or both are nil)
+ if (o1 == o2) {
+ return YES;
+ }
+ // if one is nil
+ if (o1 == nil || o2 == nil) {
+ return NO;
+ }
+ // if not in realm or differing realms
+ if (o1->_realm == nil || o1->_realm != o2->_realm) {
+ return NO;
+ }
+ // if either are detached
+ if (!o1->_row.is_attached() || !o2->_row.is_attached()) {
+ return NO;
+ }
+ // if table and index are the same
+ return o1->_row.get_table() == o2->_row.get_table()
+ && o1->_row.get_index() == o2->_row.get_index();
+}
+
+id RLMValidatedValueForProperty(id object, NSString *key, NSString *className) {
+ @try {
+ return [object valueForKey:key];
+ }
+ @catch (NSException *e) {
+ if ([e.name isEqualToString:NSUndefinedKeyException]) {
+ @throw RLMException(@"Invalid value '%@' to initialize object of type '%@': missing key '%@'",
+ object, className, key);
+ }
+ @throw;
+ }
+}
+
+Class RLMObjectUtilClass(BOOL isSwift) {
+ static Class objectUtilObjc = [RLMObjectUtil class];
+ static Class objectUtilSwift = NSClassFromString(@"RealmSwiftObjectUtil");
+ return isSwift && objectUtilSwift ? objectUtilSwift : objectUtilObjc;
+}
+
+@implementation RLMObjectUtil
+
++ (NSArray *)ignoredPropertiesForClass:(Class)cls {
+ return [cls ignoredProperties];
+}
+
++ (NSArray *)indexedPropertiesForClass:(Class)cls {
+ return [cls indexedProperties];
+}
+
++ (NSDictionary *)linkingObjectsPropertiesForClass:(Class)cls {
+ return [cls linkingObjectsProperties];
+}
+
++ (NSDictionary *)linkingObjectProperties:(__unused id)object {
+ return nil;
+}
+
++ (NSArray *)getSwiftProperties:(__unused id)obj {
+ return nil;
+}
+
++ (NSDictionary *)getOptionalProperties:(__unused id)obj {
+ return nil;
+}
+
++ (NSArray *)requiredPropertiesForClass:(Class)cls {
+ return [cls requiredProperties];
+}
+
+@end
+
+@implementation RLMSwiftPropertyMetadata
+
++ (instancetype)metadataForOtherProperty:(NSString *)propertyName {
+ RLMSwiftPropertyMetadata *md = [RLMSwiftPropertyMetadata new];
+ md.propertyName = propertyName;
+ md.kind = RLMSwiftPropertyKindOther;
+ return md;
+}
+
++ (instancetype)metadataForListProperty:(NSString *)propertyName {
+ RLMSwiftPropertyMetadata *md = [RLMSwiftPropertyMetadata new];
+ md.propertyName = propertyName;
+ md.kind = RLMSwiftPropertyKindList;
+ return md;
+}
+
++ (instancetype)metadataForLinkingObjectsProperty:(NSString *)propertyName
+ className:(NSString *)className
+ linkedPropertyName:(NSString *)linkedPropertyName {
+ RLMSwiftPropertyMetadata *md = [RLMSwiftPropertyMetadata new];
+ md.propertyName = propertyName;
+ md.className = className;
+ md.linkedPropertyName = linkedPropertyName;
+ md.kind = RLMSwiftPropertyKindLinkingObjects;
+ return md;
+}
+
++ (instancetype)metadataForOptionalProperty:(NSString *)propertyName type:(RLMPropertyType)type {
+ RLMSwiftPropertyMetadata *md = [RLMSwiftPropertyMetadata new];
+ md.propertyName = propertyName;
+ md.propertyType = type;
+ md.kind = RLMSwiftPropertyKindOptional;
+ return md;
+}
+
++ (instancetype)metadataForNilLiteralOptionalProperty:(NSString *)propertyName {
+ RLMSwiftPropertyMetadata *md = [RLMSwiftPropertyMetadata new];
+ md.propertyName = propertyName;
+ md.kind = RLMSwiftPropertyKindNilLiteralOptional;
+ return md;
+}
+
+@end