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RLMBSON.mm
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RLMBSON.mm
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////////////////////////////////////////////////////////////////////////////
//
// Copyright 2020 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 <Foundation/Foundation.h>
#import <sstream>
#import "RLMUtil.hpp"
#import "RLMDecimal128_Private.hpp"
#import "RLMObjectId_Private.hpp"
#import "RLMBSON_Private.hpp"
#import "util/bson/bson.hpp"
using namespace realm;
using namespace bson;
#pragma mark NSNull
@implementation NSNull (RLMBSON)
- (RLMBSONType)bsonType {
return RLMBSONTypeNull;
}
@end
#pragma mark RLMObjectId
@implementation RLMObjectId (RLMBSON)
- (RLMBSONType)bsonType {
return RLMBSONTypeObjectId;
}
@end
#pragma mark RLMDecimal128
@implementation RLMDecimal128 (RLMBSON)
- (RLMBSONType)bsonType {
return RLMBSONTypeDecimal128;
}
@end
#pragma mark NSString
@implementation NSString (RLMBSON)
- (RLMBSONType)bsonType {
return RLMBSONTypeString;
}
@end
#pragma mark NSNumber
@implementation NSNumber (RLMBSON)
- (RLMBSONType)bsonType {
char numberType = [self objCType][0];
if (numberType == *@encode(bool) ||
numberType == *@encode(char)) {
return RLMBSONTypeBool;
} else if (numberType == *@encode(int) ||
numberType == *@encode(short) ||
numberType == *@encode(unsigned short) ||
numberType == *@encode(unsigned int)) {
return RLMBSONTypeInt32;
} else if (numberType == *@encode(long) ||
numberType == *@encode(long long) ||
numberType == *@encode(unsigned long) ||
numberType == *@encode(unsigned long long)) {
return RLMBSONTypeInt64;
} else {
return RLMBSONTypeDouble;
}
}
@end
#pragma mark NSMutableArray
@implementation NSMutableArray (RLMBSON)
- (RLMBSONType)bsonType {
return RLMBSONTypeArray;
}
- (instancetype)initWithBsonArray:(BsonArray)bsonArray {
if ((self = [self init])) {
for (auto& entry : bsonArray) {
[self addObject:RLMConvertBsonToRLMBSON(entry)];
}
return self;
}
return nil;
}
@end
@implementation NSArray (RLMBSON)
- (BsonArray)bsonArrayValue {
BsonArray bsonArray;
for (id value in self) {
bsonArray.push_back(RLMConvertRLMBSONToBson(value));
}
return bsonArray;
}
- (RLMBSONType)bsonType {
return RLMBSONTypeArray;
}
@end
#pragma mark NSDictionary
@implementation NSMutableDictionary (RLMBSON)
- (RLMBSONType)bsonType {
return RLMBSONTypeDocument;
}
- (BsonDocument)bsonDocumentValue {
BsonDocument bsonDocument;
for (NSString *value in self) {
bsonDocument[value.UTF8String] = RLMConvertRLMBSONToBson(self[value]);
}
return bsonDocument;
}
- (instancetype)initWithBsonDocument:(BsonDocument)bsonDocument {
if ((self = [self init])) {
for (auto it = bsonDocument.begin(); it != bsonDocument.end(); ++it) {
const auto& entry = (*it);
[self setObject:RLMConvertBsonToRLMBSON(entry.second) forKey:@(entry.first.data())];
}
return self;
}
return nil;
}
@end
@implementation NSDictionary (RLMBSON)
- (RLMBSONType)bsonType {
return RLMBSONTypeDocument;
}
- (BsonDocument)bsonDocumentValue {
BsonDocument bsonDocument;
for (NSString *value in self) {
bsonDocument[value.UTF8String] = RLMConvertRLMBSONToBson(self[value]);
}
return bsonDocument;
}
@end
#pragma mark NSData
@implementation NSData (RLMBSON)
- (RLMBSONType)bsonType {
return RLMBSONTypeBinary;
}
- (instancetype)initWithBsonBinary:(std::vector<char>)bsonBinary {
if ((self = [NSData dataWithBytes:bsonBinary.data() length:bsonBinary.size()])) {
return self;
}
return nil;
}
@end
#pragma mark NSDate
@implementation NSDate (RLMBSON)
- (RLMBSONType)bsonType {
return RLMBSONTypeDatetime;
}
@end
#pragma mark NSRegularExpression
@implementation NSRegularExpression (RLMBSON)
- (RLMBSONType)bsonType {
return RLMBSONTypeRegularExpression;
}
- (RegularExpression)regularExpressionValue {
using Option = RegularExpression::Option;
std::string s;
if ((_options & NSRegularExpressionCaseInsensitive) != 0) s += 'i';
if ((_options & NSRegularExpressionUseUnixLineSeparators) != 0) s += 'm';
if ((_options & NSRegularExpressionDotMatchesLineSeparators) != 0) s += 's';
if ((_options & NSRegularExpressionUseUnicodeWordBoundaries) != 0) s += 'x';
return RegularExpression(_pattern.UTF8String, s);
}
- (instancetype)initWithRegularExpression:(RegularExpression)regularExpression {
if ((self = [self init])) {
_pattern = @(regularExpression.pattern().data());
switch (regularExpression.options()) {
case realm::bson::RegularExpression::Option::None:
_options = 0;
break;
case realm::bson::RegularExpression::Option::IgnoreCase:
_options = NSRegularExpressionCaseInsensitive;
break;
case realm::bson::RegularExpression::Option::Multiline:
_options = NSRegularExpressionUseUnixLineSeparators;
break;
case realm::bson::RegularExpression::Option::Dotall:
_options = NSRegularExpressionDotMatchesLineSeparators;
break;
case realm::bson::RegularExpression::Option::Extended:
_options = NSRegularExpressionUseUnicodeWordBoundaries;
break;
}
return self;
}
return nil;
}
@end
#pragma mark RLMMaxKey
@implementation RLMMaxKey
- (BOOL)isEqual:(id)other {
return other == self || ([other class] == [self class]);
}
- (NSUInteger)hash {
return 0;
}
@end
#pragma mark RLMMaxKey
@implementation RLMMinKey
- (BOOL)isEqual:(id)other {
return other == self || ([other class] == [self class]);
}
- (NSUInteger)hash {
return 0;
}
@end
@implementation RLMMaxKey (RLMBSON)
- (RLMBSONType)bsonType {
return RLMBSONTypeMaxKey;
}
@end
@implementation RLMMinKey (RLMBSON)
- (RLMBSONType)bsonType {
return RLMBSONTypeMinKey;
}
@end
#pragma mark RLMBSONToBson
Bson RLMConvertRLMBSONToBson(id<RLMBSON> b) {
switch ([b bsonType]) {
case RLMBSONTypeString:
return ((NSString *)b).UTF8String;
case RLMBSONTypeInt32:
return ((NSNumber *)b).intValue;
case RLMBSONTypeInt64:
return ((NSNumber *)b).longLongValue;
case RLMBSONTypeObjectId:
return [((RLMObjectId *)b) value];
case RLMBSONTypeNull:
return util::none;
case RLMBSONTypeBool:
return (bool)((NSNumber *)b).boolValue;
case RLMBSONTypeDouble:
return ((NSNumber *)b).doubleValue;
case RLMBSONTypeBinary:
return std::vector<char>((char*)((NSData *)b).bytes,
((char*)((NSData *)b).bytes) + (int)((NSData *)b).length);
case RLMBSONTypeTimestamp:
return RLMTimestampForNSDate((NSDate *)b);
case RLMBSONTypeDatetime:
return MongoTimestamp(((NSDate *)b).timeIntervalSince1970, 0);
case RLMBSONTypeDecimal128:
return [((RLMDecimal128 *)b) decimal128Value];
case RLMBSONTypeRegularExpression:
return [((NSRegularExpression *)b) regularExpressionValue];
case RLMBSONTypeMaxKey:
return max_key;
case RLMBSONTypeMinKey:
return min_key;
case RLMBSONTypeDocument:
return [((NSDictionary *)b) bsonDocumentValue];
case RLMBSONTypeArray:
return [((NSArray *)b) bsonArrayValue];
}
}
#pragma mark BsonToRLMBSON
id<RLMBSON> RLMConvertBsonToRLMBSON(const Bson& b) {
switch (b.type()) {
case realm::bson::Bson::Type::Null:
return [NSNull null];
case realm::bson::Bson::Type::Int32:
return @(static_cast<int32_t>(b));
case realm::bson::Bson::Type::Int64:
return @(static_cast<int64_t>(b));
case realm::bson::Bson::Type::Bool:
return @(static_cast<bool>(b));
case realm::bson::Bson::Type::Double:
return @(static_cast<double>(b));
case realm::bson::Bson::Type::String:
return RLMStringDataToNSString(static_cast<std::string>(b).c_str());
case realm::bson::Bson::Type::Binary:
return [[NSData alloc] initWithBsonBinary:static_cast<std::vector<char>>(b)];
case realm::bson::Bson::Type::Timestamp:
return [[NSDate alloc] initWithTimeIntervalSince1970:static_cast<MongoTimestamp>(b).seconds];
case realm::bson::Bson::Type::Datetime:
return [[NSDate alloc] initWithTimeIntervalSince1970:static_cast<Timestamp>(b).get_seconds()];
case realm::bson::Bson::Type::ObjectId:
return [[RLMObjectId alloc] initWithValue:static_cast<ObjectId>(b)];
case realm::bson::Bson::Type::Decimal128:
return [[RLMDecimal128 alloc] initWithDecimal128:static_cast<Decimal128>(b)];
case realm::bson::Bson::Type::RegularExpression:
return [[NSRegularExpression alloc] initWithRegularExpression:static_cast<RegularExpression>(b)];
case realm::bson::Bson::Type::MaxKey:
return [RLMMaxKey new];
case realm::bson::Bson::Type::MinKey:
return [RLMMinKey new];
case realm::bson::Bson::Type::Document:
return [[NSMutableDictionary alloc] initWithBsonDocument:static_cast<BsonDocument>(b)];
case realm::bson::Bson::Type::Array:
return [[NSMutableArray alloc] initWithBsonArray:static_cast<BsonArray>(b)];
}
return nil;
}
id<RLMBSON> RLMConvertBsonDocumentToRLMBSON(realm::util::Optional<BsonDocument> b) {
return b ? RLMConvertBsonToRLMBSON(*b) : nil;
}