BinaryDataContainer.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * 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/.
 *
 */
 
#pragma once
 
#include <sal/config.h>
 
#include <com/sun/star/uno/Sequence.hxx>
#include <com/sun/star/io/XInputStream.hpp>
#include <unotools/tempfile.hxx>
#include <tools/stream.hxx>
#include <vcl/dllapi.h>
 
#include <vector>
#include <memory>
 
class VCL_DLLPUBLIC BinaryDataContainer final
{
    struct Impl;
 
    std::shared_ptr<Impl> mpImpl;
 
    void ensureSwappedIn() const;
 
public:
    BinaryDataContainer() = default;
    BinaryDataContainer(SvStream& stream, size_t size);
 
    BinaryDataContainer(const BinaryDataContainer& rBinaryDataContainer) = default;
 
    BinaryDataContainer(BinaryDataContainer&& rBinaryDataContainer) noexcept = default;
 
    BinaryDataContainer& operator=(const BinaryDataContainer& rBinaryDataContainer) = default;
 
    BinaryDataContainer& operator=(BinaryDataContainer&& rBinaryDataContainer) noexcept = default;
 
    size_t getSize() const;
    bool isEmpty() const;
    const sal_uInt8* getData() const;
    css::uno::Sequence<sal_Int8> getCopyAsByteSequence() const;
 
    // Returns the data as a readonly stream open for reading
    std::shared_ptr<SvStream> getAsStream();
 
    // Returns the data as a readonly stream open for reading
    css::uno::Reference<css::io::XInputStream> getAsXInputStream();
 
    std::size_t writeToStream(SvStream& rStream) const;
 
    std::size_t getSizeBytes() const;
 
    void swapOut() const;
 
    size_t calculateHash() const;
};
 
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