SDBResults.cpp (1330B)
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #include "SDBResults.h" 8 9 #include <cstdint> 10 #include <cstring> 11 #include <new> 12 13 #include "ErrorList.h" 14 #include "js/RootingAPI.h" 15 #include "js/TypeDecls.h" 16 #include "mozilla/dom/TypedArray.h" 17 #include "nsDebug.h" 18 #include "nsError.h" 19 #include "nsTArray.h" 20 #include "nscore.h" 21 22 namespace mozilla::dom { 23 24 SDBResult::SDBResult(const nsACString& aData) : mData(aData) {} 25 26 NS_IMPL_ISUPPORTS(SDBResult, nsISDBResult) 27 28 NS_IMETHODIMP 29 SDBResult::GetAsArray(nsTArray<uint8_t>& aData) { 30 uint32_t length = mData.Length(); 31 aData.SetLength(length); 32 33 if (length != 0) { 34 memcpy(aData.Elements(), mData.BeginReading(), length * sizeof(uint8_t)); 35 } 36 37 return NS_OK; 38 } 39 40 NS_IMETHODIMP 41 SDBResult::GetAsArrayBuffer(JSContext* aCx, 42 JS::MutableHandle<JS::Value> _retval) { 43 ErrorResult rv; 44 JS::Rooted<JSObject*> arrayBuffer(aCx, ArrayBuffer::Create(aCx, mData, rv)); 45 RETURN_NSRESULT_ON_FAILURE(rv); 46 47 _retval.setObject(*arrayBuffer); 48 return NS_OK; 49 } 50 51 } // namespace mozilla::dom