First part of fix for bug 306539 (Error during XSLT transformation: (null)). r/sr=sicking.

content/xslt/src/xslt/txMozillaXSLTProcessor.cpp

@@ -65,6 +65,7 @@
 #include "nsThreadUtils.h"
 #include "jsapi.h"
 #include "txExprParser.h"
+#include "nsIErrorService.h"
 
 static NS_DEFINE_CID(kXMLDocumentCID, NS_XMLDOCUMENT_CID);
 
@@ -1030,7 +1031,9 @@ txMozillaXSLTProcessor::LoadStyleSheet(nsIURI* aUri, nsILoadGroup* aLoadGroup,
         nsCAutoString spec;
         aUri->GetSpec(spec);
         CopyUTF8toUTF16(spec, mSourceText);
-        reportError(rv, nsnull, nsnull);
+        nsresult status = NS_ERROR_GET_MODULE(rv) == NS_ERROR_MODULE_XSLT ? rv :
+                          NS_ERROR_XSLT_NETWORK_ERROR;
+        reportError(status, nsnull, nsnull);
     }
     return rv;
 }
@@ -1240,6 +1243,37 @@ txMozillaXSLTProcessor::ContentRemoved(nsIDocument* aDocument,
     mStylesheet = nsnull;
 }
 
+/* static*/
+nsresult
+txMozillaXSLTProcessor::Init()
+{
+    if (!txXSLTProcessor::init()) {
+        return NS_ERROR_OUT_OF_MEMORY;
+    }
+
+    nsCOMPtr<nsIErrorService> errorService =
+        do_GetService(NS_ERRORSERVICE_CONTRACTID);
+    if (errorService) {
+        errorService->RegisterErrorStringBundle(NS_ERROR_MODULE_XSLT,
+                                                XSLT_MSGS_URL);
+    }
+
+    return NS_OK;
+}
+
+/* static*/
+void
+txMozillaXSLTProcessor::Shutdown()
+{
+    txXSLTProcessor::shutdown();
+
+    nsCOMPtr<nsIErrorService> errorService =
+        do_GetService(NS_ERRORSERVICE_CONTRACTID);
+    if (errorService) {
+        errorService->UnregisterErrorStringBundle(NS_ERROR_MODULE_XSLT);
+    }
+}
+
 /* static*/
 nsresult
 txVariable::Convert(nsIVariant *aValue, txAExprResult** aResult)

content/xslt/src/xslt/txMozillaXSLTProcessor.h

@@ -131,6 +131,9 @@ public:
         return (mFlags & DISABLE_ALL_LOADS) != 0;
     }
 
+    static nsresult Init();
+    static void Shutdown();
+
 private:
     nsresult DoTransform();
     void notifyError();

layout/build/nsLayoutModule.cpp

@@ -109,7 +109,6 @@
 #include "nsXPathEvaluator.h"
 #include "txMozillaXSLTProcessor.h"
 #include "txNodeSetAdaptor.h"
-#include "txXSLTProcessor.h"
 #include "nsXPath1Scheme.h"
 
 #include "nsDOMParser.h"

layout/build/nsLayoutStatics.cpp

@@ -76,7 +76,7 @@
 #include "nsTextTransformer.h"
 #include "nsXBLAtoms.h"
 #include "nsXBLWindowKeyHandler.h"
-#include "txXSLTProcessor.h"
+#include "txMozillaXSLTProcessor.h"
 #include "nsDOMStorage.h"
 
 #ifdef MOZ_XUL
@@ -175,8 +175,10 @@ nsLayoutStatics::Initialize()
   }
   nsDOMAttribute::Initialize();
 
-  if (!txXSLTProcessor::init()) {
-    return NS_ERROR_OUT_OF_MEMORY;
+  rv = txMozillaXSLTProcessor::Init();
+  if (NS_FAILED(rv)) {
+    NS_ERROR("Could not initialize txMozillaXSLTProcessor");
+    return rv;
   }
 
   rv = nsDOMStorageManager::Initialize();
@@ -192,7 +194,7 @@ void
 nsLayoutStatics::Shutdown()
 {
   nsDOMStorageManager::Shutdown();
-  txXSLTProcessor::shutdown();
+  txMozillaXSLTProcessor::Shutdown();
   nsDOMAttribute::Shutdown();
   nsDOMEventRTTearoff::Shutdown();
   nsEventListenerManager::Shutdown();