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/*
* Copyright 2017 Google
*
* 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 "Firestore/Source/API/FIRGeoPoint+Internal.h"
#import "Firestore/Source/Util/FSTComparison.h"
#import "Firestore/Source/Util/FSTUsageValidation.h"
NS_ASSUME_NONNULL_BEGIN
@implementation FIRGeoPoint
- (instancetype)initWithLatitude:(double)latitude longitude:(double)longitude {
if (self = [super init]) {
if (latitude < -90 || latitude > 90 || !isfinite(latitude)) {
FSTThrowInvalidArgument(
@"GeoPoint requires a latitude value in the range of [-90, 90], "
"but was %f",
latitude);
}
if (longitude < -180 || longitude > 180 || !isfinite(longitude)) {
FSTThrowInvalidArgument(
@"GeoPoint requires a longitude value in the range of [-180, 180], "
"but was %f",
longitude);
}
_latitude = latitude;
_longitude = longitude;
}
return self;
}
- (NSComparisonResult)compare:(FIRGeoPoint *)other {
NSComparisonResult result = FSTCompareDoubles(self.latitude, other.latitude);
if (result != NSOrderedSame) {
return result;
} else {
return FSTCompareDoubles(self.longitude, other.longitude);
}
}
#pragma mark - NSObject methods
- (NSString *)description {
return [NSString stringWithFormat:@"<FIRGeoPoint: (%f, %f)>", self.latitude, self.longitude];
}
- (BOOL)isEqual:(id)other {
if (self == other) {
return YES;
}
if (![other isKindOfClass:[FIRGeoPoint class]]) {
return NO;
}
FIRGeoPoint *otherGeoPoint = (FIRGeoPoint *)other;
return FSTDoubleBitwiseEquals(self.latitude, otherGeoPoint.latitude) &&
FSTDoubleBitwiseEquals(self.longitude, otherGeoPoint.longitude);
}
- (NSUInteger)hash {
return 31 * FSTDoubleBitwiseHash(self.latitude) + FSTDoubleBitwiseHash(self.longitude);
}
/** Implements NSCopying without actually copying because geopoints are immutable. */
- (id)copyWithZone:(NSZone *_Nullable)zone {
return self;
}
@end
NS_ASSUME_NONNULL_END
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