acd40306b3
Change-Id: Ifaa37246e79678aa0c548b9ca8a9faf8036b9195 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/164804 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
70 lines
2.2 KiB
C++
70 lines
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* 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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*
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*/
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#pragma once
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#include <sal/config.h>
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#include <com/sun/star/uno/Sequence.hxx>
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#include <com/sun/star/io/XInputStream.hpp>
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#include <tools/stream.hxx>
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#include <vcl/dllapi.h>
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#include <memory>
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/** Container for the binary data, whose responsibility is to manage the
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* make it as simple as possible to manage the binary data. The binary
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* data can be anything, but typically it is a in-memory data from
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* files (i.e. files of graphic formats).
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*/
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class VCL_DLLPUBLIC BinaryDataContainer final
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{
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struct Impl;
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std::shared_ptr<Impl> mpImpl;
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SAL_DLLPRIVATE void ensureSwappedIn() const;
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public:
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BinaryDataContainer() = default;
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BinaryDataContainer(SvStream& stream, size_t size);
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BinaryDataContainer(const BinaryDataContainer& rBinaryDataContainer) = default;
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BinaryDataContainer(BinaryDataContainer&& rBinaryDataContainer) noexcept = default;
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BinaryDataContainer& operator=(const BinaryDataContainer& rBinaryDataContainer) = default;
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BinaryDataContainer& operator=(BinaryDataContainer&& rBinaryDataContainer) noexcept = default;
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size_t getSize() const;
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bool isEmpty() const;
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const sal_uInt8* getData() const;
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SAL_DLLPRIVATE css::uno::Sequence<sal_Int8> getCopyAsByteSequence() const;
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// Returns the data as a readonly stream open for reading
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SAL_DLLPRIVATE std::shared_ptr<SvStream> getAsStream();
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// Returns the data as a readonly stream open for reading
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SAL_DLLPRIVATE css::uno::Reference<css::io::XInputStream> getAsXInputStream();
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/// writes the contents to the given stream
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std::size_t writeToStream(SvStream& rStream) const;
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/// return the in-memory size in bytes as of now.
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SAL_DLLPRIVATE std::size_t getSizeBytes() const;
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/// swap out to disk for now
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SAL_DLLPRIVATE void swapOut() const;
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SAL_DLLPRIVATE size_t calculateHash() const;
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};
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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