1 files changed, 82 insertions, 0 deletions
diff --git a/mailnews/base/src/nsMsgRDFUtils.cpp b/mailnews/base/src/nsMsgRDFUtils.cpp
new file mode 100644
index 000000000..3202c73c9
--- /dev/null
+++ b/mailnews/base/src/nsMsgRDFUtils.cpp
@@ -0,0 +1,82 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/. */
+#include "nsMsgRDFUtils.h"
+#include "nsIServiceManager.h"
+#include "prprf.h"
+#include "nsCOMPtr.h"
+#include "nsMemory.h"
+
+nsresult createNode(const char16_t *str, nsIRDFNode **node, nsIRDFService *rdfService)
+{
+  nsresult rv;
+  nsCOMPtr<nsIRDFLiteral> value;
+
+  NS_ASSERTION(rdfService, "rdfService is null");
+  if (!rdfService) return NS_OK;
+
+  if (str) {
+    rv = rdfService->GetLiteral(str, getter_AddRefs(value));
+  } 
+  else {
+    rv = rdfService->GetLiteral(EmptyString().get(), getter_AddRefs(value));
+  }
+
+  if (NS_SUCCEEDED(rv)) {
+    *node = value;
+    NS_IF_ADDREF(*node);
+  }
+  return rv;
+}
+
+nsresult createIntNode(int32_t value, nsIRDFNode **node, nsIRDFService *rdfService)
+{
+  *node = nullptr;
+  nsresult rv; 
+  if (!rdfService) return NS_ERROR_NULL_POINTER;  
+  nsCOMPtr<nsIRDFInt> num;
+  rv = rdfService->GetIntLiteral(value, getter_AddRefs(num));
+  if(NS_SUCCEEDED(rv)) {
+    *node = num;
+    NS_IF_ADDREF(*node);
+  }
+  return rv;
+}
+
+nsresult createBlobNode(uint8_t *value, uint32_t &length, nsIRDFNode **node, nsIRDFService *rdfService)
+{
+  NS_ENSURE_ARG_POINTER(node);
+  NS_ENSURE_ARG_POINTER(rdfService);
+  
+  *node = nullptr;
+  nsCOMPtr<nsIRDFBlob> blob;
+  nsresult rv = rdfService->GetBlobLiteral(value, length, getter_AddRefs(blob));
+  NS_ENSURE_SUCCESS(rv,rv);
+  NS_IF_ADDREF(*node = blob);
+  return rv;
+}
+
+nsresult GetTargetHasAssertion(nsIRDFDataSource *dataSource, nsIRDFResource* folderResource,
+                               nsIRDFResource *property,bool tv, nsIRDFNode *target,bool* hasAssertion)
+{
+  NS_ENSURE_ARG_POINTER(hasAssertion);
+  
+  nsCOMPtr<nsIRDFNode> currentTarget;
+  
+  nsresult rv = dataSource->GetTarget(folderResource, property,tv, getter_AddRefs(currentTarget));
+  if(NS_SUCCEEDED(rv))
+  {
+    nsCOMPtr<nsIRDFLiteral> value1(do_QueryInterface(target));
+    nsCOMPtr<nsIRDFLiteral> value2(do_QueryInterface(currentTarget));
+    if(value1 && value2)
+      //If the two values are equal then it has this assertion
+      *hasAssertion = (value1 == value2);
+  }
+  else
+    rv = NS_NOINTERFACE;
+  
+  return rv;
+  
+}
+