/* static */ void
ThreadSafeChromeUtils::Base64URLEncode(GlobalObject& aGlobal,
const ArrayBufferViewOrArrayBuffer& aSource,
const Base64URLEncodeOptions& aOptions,
nsACString& aResult,
ErrorResult& aRv)
{
size_t length = 0;
uint8_t* data = nullptr;
if (aSource.IsArrayBuffer()) {
const ArrayBuffer& buffer = aSource.GetAsArrayBuffer();
buffer.ComputeLengthAndData();
length = buffer.Length();
data = buffer.Data();
} else if (aSource.IsArrayBufferView()) {
const ArrayBufferView& view = aSource.GetAsArrayBufferView();
view.ComputeLengthAndData();
length = view.Length();
data = view.Data();
} else {
MOZ_CRASH("Uninitialized union: expected buffer or view");
}
auto paddingPolicy = aOptions.mPad ? Base64URLEncodePaddingPolicy::Include :
Base64URLEncodePaddingPolicy::Omit;
nsresult rv = mozilla::Base64URLEncode(length, data, paddingPolicy, aResult);
if (NS_WARN_IF(NS_FAILED(rv))) {
aResult.Truncate();
aRv.Throw(rv);
}
}
bool
CopyArrayBufferViewOrArrayBufferData(const ArrayBufferViewOrArrayBuffer& aBufferOrView,
nsTArray<uint8_t>& aOutData)
{
if (aBufferOrView.IsArrayBuffer()) {
const ArrayBuffer& buffer = aBufferOrView.GetAsArrayBuffer();
buffer.ComputeLengthAndData();
aOutData.AppendElements(buffer.Data(), buffer.Length());
} else if (aBufferOrView.IsArrayBufferView()) {
const ArrayBufferView& bufferview = aBufferOrView.GetAsArrayBufferView();
bufferview.ComputeLengthAndData();
aOutData.AppendElements(bufferview.Data(), bufferview.Length());
} else {
return false;
}
return true;
}
