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21 lines
856 B
Objective-C
21 lines
856 B
Objective-C
#import <Foundation/Foundation.h>
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#import "lmdb.h"
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@class PSLMDBTable;
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typedef enum {
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PSKeyValueCursorDirectionForward = 0,
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PSKeyValueCursorDirectionBack = 1
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} PSKeyValueCursorDirection;
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@interface PSLMDBKeyValueCursor : NSObject
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- (instancetype)initWithTable:(PSLMDBTable *)table transaction:(MDB_txn *)transaction cursor:(MDB_cursor *)cursor;
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- (bool)positionAt:(uint8_t const **)key keyLength:(NSUInteger *)keyLength value:(uint8_t const **)value valueLength:(NSUInteger *)valueLength directionIfNotFound:(PSKeyValueCursorDirection)directionIfNotFound;
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- (bool)previous:(uint8_t const **)key keyLength:(NSUInteger *)keyLength value:(uint8_t const **)value valueLength:(NSUInteger *)valueLength;
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- (bool)next:(uint8_t const **)key keyLength:(NSUInteger *)keyLength value:(uint8_t const **)value valueLength:(NSUInteger *)valueLength;
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@end
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