diff -r 000000000000 -r 6474c204b198 rdf/util/public/nsRDFResource.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rdf/util/public/nsRDFResource.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,59 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsRDFResource_h__
+#define nsRDFResource_h__
+
+#include "nsCOMPtr.h"
+#include "nsIRDFNode.h"
+#include "nsIRDFResource.h"
+#include "nscore.h"
+#include "nsStringGlue.h"
+#include "rdf.h"
+
+class nsIRDFService;
+
+/**
+ * This simple base class implements nsIRDFResource, and can be used as a
+ * superclass for more sophisticated resource implementations.
+ */
+class nsRDFResource : public nsIRDFResource {
+public:
+
+    NS_DECL_THREADSAFE_ISUPPORTS
+
+    // nsIRDFNode methods:
+    NS_IMETHOD EqualsNode(nsIRDFNode* aNode, bool* aResult);
+
+    // nsIRDFResource methods:
+    NS_IMETHOD Init(const char* aURI);
+    NS_IMETHOD GetValue(char* *aURI);
+    NS_IMETHOD GetValueUTF8(nsACString& aResult);
+    NS_IMETHOD GetValueConst(const char** aURI);
+    NS_IMETHOD EqualsString(const char* aURI, bool* aResult);
+    NS_IMETHOD GetDelegate(const char* aKey, REFNSIID aIID, void** aResult);
+    NS_IMETHOD ReleaseDelegate(const char* aKey);
+
+    // nsRDFResource methods:
+    nsRDFResource(void);
+    virtual ~nsRDFResource(void);
+
+protected:
+    static nsIRDFService* gRDFService;
+    static nsrefcnt gRDFServiceRefCnt;
+
+protected:
+    nsCString mURI;
+
+    struct DelegateEntry {
+        nsCString             mKey;
+        nsCOMPtr<nsISupports> mDelegate;
+        DelegateEntry*        mNext;
+    };
+
+    DelegateEntry* mDelegates;
+};
+
+#endif // nsRDFResource_h__