1 files changed, 53 insertions, 0 deletions
diff --git a/dom/simpledb/SDBResults.cpp b/dom/simpledb/SDBResults.cpp
new file mode 100644
index 0000000000..9acac0fdc7
--- /dev/null
+++ b/dom/simpledb/SDBResults.cpp
@@ -0,0 +1,53 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 "SDBResults.h"
+
+#include <cstdint>
+#include <cstring>
+#include <new>
+#include <utility>
+#include "ErrorList.h"
+#include "js/RootingAPI.h"
+#include "js/TypeDecls.h"
+#include "mozilla/Assertions.h"
+#include "mozilla/MacroForEach.h"
+#include "mozilla/dom/TypedArray.h"
+#include "nsDebug.h"
+#include "nsError.h"
+#include "nsTArray.h"
+#include "nscore.h"
+
+namespace mozilla::dom {
+
+SDBResult::SDBResult(const nsACString& aData) : mData(aData) {}
+
+NS_IMPL_ISUPPORTS(SDBResult, nsISDBResult)
+
+NS_IMETHODIMP
+SDBResult::GetAsArray(nsTArray<uint8_t>& aData) {
+  uint32_t length = mData.Length();
+  aData.SetLength(length);
+
+  if (length != 0) {
+    memcpy(aData.Elements(), mData.BeginReading(), length * sizeof(uint8_t));
+  }
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+SDBResult::GetAsArrayBuffer(JSContext* aCx,
+                            JS::MutableHandle<JS::Value> _retval) {
+  ErrorResult rv;
+  JS::Rooted<JSObject*> arrayBuffer(aCx, ArrayBuffer::Create(aCx, mData, rv));
+  ENSURE_SUCCESS(rv, rv.StealNSResult());
+
+  _retval.setObject(*arrayBuffer);
+  return NS_OK;
+}
+
+}  // namespace mozilla::dom