Move modules to Modules folder.

Modules/RSDatabase/Sources/RSDatabaseObjC/RSDatabaseQueue.h

@@ -0,0 +1,63 @@
+//
+//  RSDatabaseQueue.h
+//	RSDatabase
+//
+//  Created by Brent Simmons on 10/19/13.
+//  Copyright (c) 2013 Ranchero Software, LLC. All rights reserved.
+//
+
+@import Foundation;
+#import "FMDatabase.h"
+
+// This has been deprecated — use DatabaseQueue instead.
+
+@class RSDatabaseQueue;
+
+NS_ASSUME_NONNULL_BEGIN
+
+@protocol RSDatabaseQueueDelegate <NSObject>
+
+@optional
+
+- (void)makeFunctionsForDatabase:(FMDatabase *)database queue:(RSDatabaseQueue *)queue;
+
+@end
+
+
+// Everything runs on a serial queue.
+
+typedef void (^RSDatabaseBlock)(FMDatabase * __nonnull database);
+
+
+@interface RSDatabaseQueue : NSObject
+
+@property (nonatomic, strong, readonly) NSString *databasePath; // For debugging use, so you can open the database in sqlite3.
+
+- (instancetype)initWithFilepath:(NSString *)filepath excludeFromBackup:(BOOL)excludeFromBackup;
+
+@property (nonatomic, weak) id<RSDatabaseQueueDelegate> delegate;
+
+// You can feed it the contents of a file that includes comments, etc.
+// Lines that start with case-insensitive "create " are executed.
+- (void)createTablesUsingStatements:(NSString *)createStatements;
+- (void)createTablesUsingStatementsSync:(NSString *)createStatements;
+
+- (void)update:(RSDatabaseBlock)updateBlock;
+- (void)updateSync:(RSDatabaseBlock)updateBlock;
+
+- (void)runInDatabase:(RSDatabaseBlock)databaseBlock; // Same as update, but no transaction.
+
+- (void)fetch:(RSDatabaseBlock)fetchBlock;
+- (void)fetchSync:(RSDatabaseBlock)fetchBlock;
+
+- (void)vacuum;
+- (void)vacuumIfNeeded; // defaultsKey = @"lastVacuumDate"; interval is 6 days.
+- (void)vacuumIfNeeded:(NSString *)defaultsKey intervalBetweenVacuums:(NSTimeInterval)intervalBetweenVacuums;
+
+- (NSArray *)arrayWithSingleColumnResultSet:(FMResultSet *)rs;
+
+- (void)close;
+
+@end
+
+NS_ASSUME_NONNULL_END