1 files changed, 90 insertions, 0 deletions
diff --git a/Firestore/Source/API/FIRGeoPoint.mm b/Firestore/Source/API/FIRGeoPoint.mm
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+++ b/Firestore/Source/API/FIRGeoPoint.mm
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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/core/src/firebase/firestore/util/comparison.h"
+
+#import "Firestore/Source/Util/FSTUsageValidation.h"
+
+using firebase::firestore::util::DoubleBitwiseEquals;
+using firebase::firestore::util::DoubleBitwiseHash;
+using firebase::firestore::util::WrapCompare;
+
+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 = WrapCompare<double>(self.latitude, other.latitude);
+  if (result != NSOrderedSame) {
+    return result;
+  } else {
+    return WrapCompare<double>(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 DoubleBitwiseEquals(self.latitude, otherGeoPoint.latitude) &&
+         DoubleBitwiseEquals(self.longitude, otherGeoPoint.longitude);
+}
+
+- (NSUInteger)hash {
+  return 31 * DoubleBitwiseHash(self.latitude) + DoubleBitwiseHash(self.longitude);
+}
+
+/** Implements NSCopying without actually copying because geopoints are immutable. */
+- (id)copyWithZone:(NSZone *_Nullable)zone {
+  return self;
+}
+
+@end
+
+NS_ASSUME_NONNULL_END