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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/types.h>
#include <string_view>
namespace vcl
{
/// Allows creating, updating and writing PDF objects in a container.
class SAL_NO_VTABLE SAL_DLLPUBLIC_RTTI PDFObjectContainer
{
public:
/* adds an entry to m_aObjects and returns its index+1,
* sets the offset to ~0
*/
virtual sal_Int32 createObject() = 0;
/* sets the offset of object n to the current position of output file+1
*/
virtual bool updateObject(sal_Int32 n) = 0;
// Write pBuffer to the end of the output.
virtual bool writeBufferBytes(const void* pBuffer, sal_uInt64 nBytes) = 0;
// Utility method, reduces verbosity at call sites
bool writeBuffer(std::string_view aBuffer)
{
return writeBufferBytes(aBuffer.data(), aBuffer.size());
}
virtual void checkAndEnableStreamEncryption(sal_Int32 nObject) = 0;
virtual void disableStreamEncryption() = 0;
protected:
~PDFObjectContainer() noexcept = default;
};
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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