зеркало из https://github.com/mozilla/gecko-dev.git
74 строки
2.0 KiB
C++
74 строки
2.0 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsSerializationHelper.h"
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#include "mozilla/Base64.h"
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#include "nsISerializable.h"
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#include "nsIObjectOutputStream.h"
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#include "nsIObjectInputStream.h"
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#include "nsString.h"
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#include "nsBase64Encoder.h"
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#include "nsAutoPtr.h"
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#include "nsComponentManagerUtils.h"
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#include "nsStringStream.h"
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using namespace mozilla;
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nsresult
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NS_SerializeToString(nsISerializable* obj, nsCSubstring& str)
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{
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nsRefPtr<nsBase64Encoder> stream(new nsBase64Encoder());
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if (!stream)
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return NS_ERROR_OUT_OF_MEMORY;
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nsCOMPtr<nsIObjectOutputStream> objstream =
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do_CreateInstance("@mozilla.org/binaryoutputstream;1");
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if (!objstream)
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return NS_ERROR_OUT_OF_MEMORY;
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objstream->SetOutputStream(stream);
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nsresult rv =
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objstream->WriteCompoundObject(obj, NS_GET_IID(nsISupports), true);
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NS_ENSURE_SUCCESS(rv, rv);
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return stream->Finish(str);
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}
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nsresult
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NS_DeserializeObject(const nsCSubstring& str, nsISupports** obj)
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{
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nsCString decodedData;
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nsresult rv = Base64Decode(str, decodedData);
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NS_ENSURE_SUCCESS(rv, rv);
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nsCOMPtr<nsIInputStream> stream;
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rv = NS_NewCStringInputStream(getter_AddRefs(stream), decodedData);
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NS_ENSURE_SUCCESS(rv, rv);
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nsCOMPtr<nsIObjectInputStream> objstream =
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do_CreateInstance("@mozilla.org/binaryinputstream;1");
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if (!objstream)
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return NS_ERROR_OUT_OF_MEMORY;
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objstream->SetInputStream(stream);
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return objstream->ReadObject(true, obj);
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}
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NS_IMPL_ISUPPORTS(nsSerializationHelper, nsISerializationHelper)
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NS_IMETHODIMP
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nsSerializationHelper::SerializeToString(nsISerializable *serializable,
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nsACString & _retval)
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{
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return NS_SerializeToString(serializable, _retval);
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}
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NS_IMETHODIMP
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nsSerializationHelper::DeserializeObject(const nsACString & input,
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nsISupports **_retval)
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{
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return NS_DeserializeObject(input, _retval);
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}
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