add uuid, url support

Author: sergeymild

.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata

@@ -39,7 +39,6 @@ extension Data : Value {
             return Blob(bytes: pointer.baseAddress!, length: count)
         }
     }
-
 }
 
 extension Date : Value {
@@ -55,7 +54,36 @@ extension Date : Value {
     public var datatypeValue: String {
         return sqlDateFormatter.string(from: self)
     }
+}
+
+extension UUID : Value {
+
+    public static var declaredDatatype: String {
+        return String.declaredDatatype
+    }
+
+    public static func fromDatatypeValue(_ stringValue: String) -> UUID {
+        return UUID(uuidString: stringValue)!
+    }
+
+    public var datatypeValue: String {
+        return self.uuidString
+    }
+}
+
+extension URL : Value {
 
+    public static var declaredDatatype: String {
+        return String.declaredDatatype
+    }
+
+    public static func fromDatatypeValue(_ stringValue: String) -> URL {
+        return URL(string: stringValue)!
+    }
+
+    public var datatypeValue: String {
+        return self.absoluteString
+    }
 }
 
 /// A global date formatter used to serialize and deserialize `NSDate` objects.

Sources/SQLite/Foundation.swift

@@ -13,4 +13,28 @@ class FoundationTests : XCTestCase {
         let data = Data.fromDatatypeValue(blob)
         XCTAssertEqual(Data([1, 2, 3]), data)
     }
+    
+    func testStringFromUUID() {
+        let uuid = UUID(uuidString: "4ABE10C9-FF12-4CD4-90C1-4B429001BAD3")!
+        let string = uuid.datatypeValue
+        XCTAssertEqual("4ABE10C9-FF12-4CD4-90C1-4B429001BAD3", string)
+    }
+
+    func testUUIDFromString() {
+        let string = "4ABE10C9-FF12-4CD4-90C1-4B429001BAD3"
+        let uuid = UUID.fromDatatypeValue(string)
+        XCTAssertEqual(UUID(uuidString: "4ABE10C9-FF12-4CD4-90C1-4B429001BAD3"), uuid)
+    }
+    
+    func testStringFromURL() {
+        let url = URL(string: "https://google.com")!
+        let string = url.datatypeValue
+        XCTAssertEqual("https://google.com", string)
+    }
+
+    func testURLFromString() {
+        let string = "https://google.com"
+        let url = URL.fromDatatypeValue(string)
+        XCTAssertEqual(URL(string: "https://google.com")!, url)
+    }
 }