Add support for storage

FossilOrigin-Name: 3c84d235e55a6f4481f3ccfb4007113716902901544f9a1f011723767ecaa1e4

src/MTXSQLite3Storage.m

@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2020, Jonathan Schleifer <js@nil.im>
+ *
+ * https://fossil.nil.im/objmatrix
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice is present in all copies.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#import <ObjSQLite3/ObjSQLite3.h>
+
+#import "MTXSQLite3Storage.h"
+
+@implementation MTXSQLite3Storage
+{
+	SL3Connection *_conn;
+}
+
++ (instancetype)storageWithPath: (OFString *)path
+{
+	return [[[self alloc] initWithPath: path] autorelease];
+}
+
+- (instancetype)initWithPath: (OFString *)path
+{
+	self = [super init];
+
+	@try {
+		_conn = [[SL3Connection alloc] initWithPath: path];
+	} @catch (id e) {
+		[self release];
+		@throw e;
+	}
+
+	return self;
+}
+
+- (void)dealloc
+{
+	[_conn release];
+
+	[super dealloc];
+}
+@end