gecko-dev/dom/simpledb/SDBResults.cpp

56 строки
1.4 KiB
C++

/* -*- 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 "nsContentUtils.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::MutableHandleValue _retval) {
JS::Rooted<JSObject*> arrayBuffer(aCx);
nsresult rv =
nsContentUtils::CreateArrayBuffer(aCx, mData, arrayBuffer.address());
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
_retval.setObject(*arrayBuffer);
return NS_OK;
}
} // namespace mozilla::dom