PdfObjectStreamProvider.h

// SPDX-FileCopyrightText: 2022 Francesco Pretto <ceztko@gmail.com>
// SPDX-License-Identifier: LGPL-2.0-or-later OR MPL-2.0
 
#ifndef PDF_OBJECT_STREAM_PROVIDER_H
#define PDF_OBJECT_STREAM_PROVIDER_H
 
#include "PdfEncrypt.h"
#include <podofo/auxiliary/InputStream.h>
#include <podofo/auxiliary/OutputStream.h>
 
namespace PoDoFo {
 
class PdfObject;
 
class PODOFO_API PdfObjectStreamProvider
{
public:
    virtual ~PdfObjectStreamProvider();
 
    virtual void Init(PdfObject& obj) = 0;
 
    virtual void Clear() = 0;
 
    virtual bool TryCopyFrom(const PdfObjectStreamProvider& rhs) = 0;
 
    virtual bool TryMoveFrom(PdfObjectStreamProvider&& rhs) = 0;
 
    virtual std::unique_ptr<InputStream> GetInputStream(PdfObject& obj) = 0;
 
    virtual std::unique_ptr<OutputStream> GetOutputStream(PdfObject& obj) = 0;
 
    virtual void Write(OutputStream& stream, const PdfStatefulEncrypt* encrypt) = 0;
 
    virtual size_t GetLength() const = 0;
};
 
};
 
#endif // PDF_OBJECT_STREAM_PROVIDER_H