The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/netwerk/base/src/nsSerializationHelper.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,73 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +#include "nsSerializationHelper.h"
     1.9 +
    1.10 +
    1.11 +#include "mozilla/Base64.h"
    1.12 +#include "nsISerializable.h"
    1.13 +#include "nsIObjectOutputStream.h"
    1.14 +#include "nsIObjectInputStream.h"
    1.15 +#include "nsString.h"
    1.16 +#include "nsBase64Encoder.h"
    1.17 +#include "nsAutoPtr.h"
    1.18 +#include "nsComponentManagerUtils.h"
    1.19 +#include "nsStringStream.h"
    1.20 +
    1.21 +using namespace mozilla;
    1.22 +
    1.23 +nsresult
    1.24 +NS_SerializeToString(nsISerializable* obj, nsCSubstring& str)
    1.25 +{
    1.26 +  nsRefPtr<nsBase64Encoder> stream(new nsBase64Encoder());
    1.27 +  if (!stream)
    1.28 +    return NS_ERROR_OUT_OF_MEMORY;
    1.29 +
    1.30 +  nsCOMPtr<nsIObjectOutputStream> objstream =
    1.31 +      do_CreateInstance("@mozilla.org/binaryoutputstream;1");
    1.32 +  if (!objstream)
    1.33 +    return NS_ERROR_OUT_OF_MEMORY;
    1.34 +
    1.35 +  objstream->SetOutputStream(stream);
    1.36 +  nsresult rv =
    1.37 +      objstream->WriteCompoundObject(obj, NS_GET_IID(nsISupports), true);
    1.38 +  NS_ENSURE_SUCCESS(rv, rv);
    1.39 +  return stream->Finish(str);
    1.40 +}
    1.41 +
    1.42 +nsresult
    1.43 +NS_DeserializeObject(const nsCSubstring& str, nsISupports** obj)
    1.44 +{
    1.45 +  nsCString decodedData;
    1.46 +  nsresult rv = Base64Decode(str, decodedData);
    1.47 +  NS_ENSURE_SUCCESS(rv, rv);
    1.48 +
    1.49 +  nsCOMPtr<nsIInputStream> stream;
    1.50 +  rv = NS_NewCStringInputStream(getter_AddRefs(stream), decodedData);
    1.51 +  NS_ENSURE_SUCCESS(rv, rv);
    1.52 +
    1.53 +  nsCOMPtr<nsIObjectInputStream> objstream =
    1.54 +      do_CreateInstance("@mozilla.org/binaryinputstream;1");
    1.55 +  if (!objstream)
    1.56 +    return NS_ERROR_OUT_OF_MEMORY;
    1.57 +
    1.58 +  objstream->SetInputStream(stream);
    1.59 +  return objstream->ReadObject(true, obj);
    1.60 +}
    1.61 +
    1.62 +NS_IMPL_ISUPPORTS(nsSerializationHelper, nsISerializationHelper)
    1.63 +
    1.64 +NS_IMETHODIMP
    1.65 +nsSerializationHelper::SerializeToString(nsISerializable *serializable,
    1.66 +                                         nsACString & _retval)
    1.67 +{
    1.68 +  return NS_SerializeToString(serializable, _retval);
    1.69 +}
    1.70 +
    1.71 +NS_IMETHODIMP
    1.72 +nsSerializationHelper::DeserializeObject(const nsACString & input,
    1.73 +                                         nsISupports **_retval)
    1.74 +{
    1.75 +  return NS_DeserializeObject(input, _retval);
    1.76 +}