C++ (Cpp) GetInternalStream示例

示例#1

文件： File.cpp 项目： subsevenx2001/gecko-dev

nsresult
BlobImplBase::GetSendInfo(nsIInputStream** aBody, uint64_t* aContentLength,
                          nsACString& aContentType, nsACString& aCharset)
{
  MOZ_ASSERT(aContentLength);

  ErrorResult rv;

  nsCOMPtr<nsIInputStream> stream;
  GetInternalStream(getter_AddRefs(stream), rv);
  if (NS_WARN_IF(rv.Failed())) {
    return rv.StealNSResult();
  }

  *aContentLength = GetSize(rv);
  if (NS_WARN_IF(rv.Failed())) {
    return rv.StealNSResult();
  }

  nsAutoString contentType;
  GetType(contentType);

  if (contentType.IsEmpty()) {
    aContentType.SetIsVoid(true);
  } else {
    CopyUTF16toUTF8(contentType, aContentType);
  }

  aCharset.Truncate();

  stream.forget(aBody);
  return NS_OK;
}

示例#2

文件： File.cpp 项目： AtulKumar2/gecko-dev

nsresult
BlobImplBase::GetSendInfo(nsIInputStream** aBody, uint64_t* aContentLength,
                          nsACString& aContentType, nsACString& aCharset)
{
  MOZ_ASSERT(aContentLength);

  nsresult rv;

  nsCOMPtr<nsIInputStream> stream;
  rv = GetInternalStream(getter_AddRefs(stream));
  NS_ENSURE_SUCCESS(rv, rv);

  ErrorResult error;
  *aContentLength = GetSize(error);
  if (NS_WARN_IF(error.Failed())) {
    return error.StealNSResult();
  }

  nsAutoString contentType;
  GetType(contentType);

  CopyUTF16toUTF8(contentType, aContentType);

  aCharset.Truncate();

  stream.forget(aBody);
  return NS_OK;
}