Mypal68/dom/file/EmptyBlobImpl.cpp
2023-05-31 17:43:30 +03:00

35 lines
955 B
C++

/* 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 "EmptyBlobImpl.h"
#include "nsStringStream.h"
namespace mozilla {
namespace dom {
already_AddRefed<BlobImpl> EmptyBlobImpl::CreateSlice(
uint64_t aStart, uint64_t aLength, const nsAString& aContentType,
ErrorResult& aRv) {
MOZ_ASSERT(!aStart && !aLength);
RefPtr<BlobImpl> impl = new EmptyBlobImpl(aContentType);
return impl.forget();
}
void EmptyBlobImpl::CreateInputStream(nsIInputStream** aStream,
ErrorResult& aRv) {
if (NS_WARN_IF(!aStream)) {
aRv.Throw(NS_ERROR_FAILURE);
return;
}
nsresult rv = NS_NewCStringInputStream(aStream, EmptyCString());
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.Throw(rv);
return;
}
}
} // namespace dom
} // namespace mozilla