gecko-dev/dom/push/PushUtil.cpp
Andrew McCreight 298aa82710 Bug 1412125, part 2 - Fix dom/ mode lines. r=qdot
This was automatically generated by the script modeline.py.

MozReview-Commit-ID: BgulzkGteAL

--HG--
extra : rebase_source : a4b9d16a4c06c4e85d7d85f485221b1e4ebdfede
2017-10-26 15:08:41 -07:00

67 lines
2.2 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 "mozilla/dom/PushUtil.h"
namespace mozilla {
namespace dom {
/* static */ bool
PushUtil::CopyArrayBufferToArray(const ArrayBuffer& aBuffer,
nsTArray<uint8_t>& aArray)
{
MOZ_ASSERT(aArray.IsEmpty());
aBuffer.ComputeLengthAndData();
return aArray.SetCapacity(aBuffer.Length(), fallible) &&
aArray.InsertElementsAt(0, aBuffer.Data(), aBuffer.Length(), fallible);
}
/* static */ bool
PushUtil::CopyArrayBufferViewToArray(const ArrayBufferView& aView,
nsTArray<uint8_t>& aArray)
{
MOZ_ASSERT(aArray.IsEmpty());
aView.ComputeLengthAndData();
return aArray.SetCapacity(aView.Length(), fallible) &&
aArray.InsertElementsAt(0, aView.Data(), aView.Length(), fallible);
}
/* static */ bool
PushUtil::CopyBufferSourceToArray(
const OwningArrayBufferViewOrArrayBuffer& aSource, nsTArray<uint8_t>& aArray)
{
if (aSource.IsArrayBuffer()) {
return CopyArrayBufferToArray(aSource.GetAsArrayBuffer(), aArray);
}
if (aSource.IsArrayBufferView()) {
return CopyArrayBufferViewToArray(aSource.GetAsArrayBufferView(), aArray);
}
MOZ_CRASH("Uninitialized union: expected buffer or view");
}
/* static */ void
PushUtil::CopyArrayToArrayBuffer(JSContext* aCx,
const nsTArray<uint8_t>& aArray,
JS::MutableHandle<JSObject*> aValue,
ErrorResult& aRv)
{
if (aArray.IsEmpty()) {
aValue.set(nullptr);
return;
}
JS::Rooted<JSObject*> buffer(aCx, ArrayBuffer::Create(aCx,
aArray.Length(),
aArray.Elements()));
if (NS_WARN_IF(!buffer)) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
return;
}
aValue.set(buffer);
}
} // namespace dom
} // namespace mozilla