CBLGeometry.h

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//
//  CBLGeometry.h
//  CouchbaseLite
//
//  Created by Jens Alfke on 9/22/13.
//  Copyright (c) 2013 Couchbase, Inc. All rights reserved.
//

#import "CBLBase.h"

NS_ASSUME_NONNULL_BEGIN

typedef struct CBLGeoPoint {
    double x, y;
} CBLGeoPoint;

typedef struct CBLGeoRect {
    CBLGeoPoint min, max;
} CBLGeoRect;


#ifdef __cplusplus
extern "C" {
#endif


static inline BOOL CBLGeoRectEqual(CBLGeoRect a, CBLGeoRect b) {
    return a.min.x == b.min.x && a.min.y == b.min.y && a.max.x == b.max.x && a.max.y == b.max.y;
}

static inline BOOL CBLGeoRectIsEmpty(CBLGeoRect r) {
    return r.min.x == r.max.x && r.min.y == r.max.y;
}


BOOL CBLGeoCoordsStringToRect(NSString* __nullable coordsStr, CBLGeoRect* outRect);


#pragma mark - CONVERTING TO/FROM JSON:

CBLJSONDict* CBLGeoPointToJSON(CBLGeoPoint pt);

CBLJSONDict* CBLGeoRectToJSON(CBLGeoRect rect);

BOOL CBLGeoJSONBoundingBox(NSDictionary* __nullable geoJSON, CBLGeoRect* outBBox);


CBLArrayOf(NSNumber*)* CBLGeoPointToCoordPair(CBLGeoPoint pt);

BOOL CBLGeoCoordPairToPoint(NSArray* __nullable coords, CBLGeoPoint* outPoint);

BOOL CBLGeoCoordsToRect(NSArray* __nullable coords, CBLGeoRect* outRect);

#pragma mark - KEYS FOR MAP FUNCTIONS:

id CBLGeoPointKey(double x, double y);

id CBLGeoRectKey(double x0, double y0, double x1, double y1);

id CBLGeoJSONKey(NSDictionary* geoJSON);


#ifdef __cplusplus
}
#endif


NS_ASSUME_NONNULL_END