nsresult NameSpaceManagerImpl::AddNameSpace(const nsAString& aURI, const PRInt32 aNameSpaceID) { if (aNameSpaceID < 0) { // We've wrapped... Can't do anything else here; just bail. return NS_ERROR_OUT_OF_MEMORY; } NS_ASSERTION(aNameSpaceID - 1 == mURIArray.Count(), "BAD! AddNameSpace not called in right order!"); if (!mURIArray.AppendString(aURI)) { return NS_ERROR_OUT_OF_MEMORY; } const nsString* uri = mURIArray.StringAt(aNameSpaceID - 1); if (!mURIToIDTable.Put(uri, aNameSpaceID)) { mURIArray.RemoveStringAt(aNameSpaceID - 1); return NS_ERROR_OUT_OF_MEMORY; } return NS_OK; }