1 files changed, 45 insertions, 0 deletions
diff --git a/src/DotNetOpenAuth.OpenId/OpenId/Extensions/AttributeExchange/AXAttributeFormats.cs b/src/DotNetOpenAuth.OpenId/OpenId/Extensions/AttributeExchange/AXAttributeFormats.cs
new file mode 100644
index 0000000..decd296
--- /dev/null
+++ b/src/DotNetOpenAuth.OpenId/OpenId/Extensions/AttributeExchange/AXAttributeFormats.cs
@@ -0,0 +1,45 @@
+//-----------------------------------------------------------------------
+// <copyright file="AXAttributeFormats.cs" company="Andrew Arnott">
+//     Copyright (c) Andrew Arnott. All rights reserved.
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace DotNetOpenAuth.OpenId.Extensions.AttributeExchange {
+	using System;
+
+	/// <summary>
+	/// The various Type URI formats an AX attribute may use by various remote parties.
+	/// </summary>
+	[Flags]
+	public enum AXAttributeFormats {
+		/// <summary>
+		/// No attribute format.
+		/// </summary>
+		None = 0x0,
+
+		/// <summary>
+		/// AX attributes should use the Type URI format starting with <c>http://axschema.org/</c>.
+		/// </summary>
+		AXSchemaOrg = 0x1,
+
+		/// <summary>
+		/// AX attributes should use the Type URI format starting with <c>http://schema.openid.net/</c>.
+		/// </summary>
+		SchemaOpenIdNet = 0x2,
+
+		/// <summary>
+		/// AX attributes should use the Type URI format starting with <c>http://openid.net/schema/</c>.
+		/// </summary>
+		OpenIdNetSchema = 0x4,
+
+		/// <summary>
+		/// All known schemas.
+		/// </summary>
+		All = AXSchemaOrg | SchemaOpenIdNet | OpenIdNetSchema,
+
+		/// <summary>
+		/// The most common schemas.
+		/// </summary>
+		Common = AXSchemaOrg | SchemaOpenIdNet,
+	}
+}