PdfBaseDataTypes.h

// SPDX-FileCopyrightText: 2006 Dominik Seichter <domseichter@web.de>
// SPDX-FileCopyrightText: 2020 Francesco Pretto <ceztko@gmail.com>
// SPDX-License-Identifier: LGPL-2.0-or-later OR MPL-2.0
 
#ifndef PDF_BASE_DATA_TYPES_H
#define PDF_BASE_DATA_TYPES_H
 
#include "PdfDeclarations.h"
#include <podofo/auxiliary/StreamDevice.h>
 
namespace PoDoFo {
 
class OutputStream;
class PdfStatefulEncrypt;
 
class PODOFO_API PdfDataMember
{
    friend class PdfString;
    friend class PdfName;
    friend class PdfReference;
public:
    PdfDataMember(PdfDataType type);
public:
    inline PdfDataType GetDataType() const { return m_DataType; }
private:
    PdfDataType m_DataType;
};
 
template <typename T>
class PdfDataProvider
{
    friend class PdfDataContainer;
    friend class PdfData;
    friend class PdfString;
    friend class PdfName;
    friend class PdfReference;
 
private:
    PdfDataProvider() { }
 
public:
    std::string ToString(PdfWriteFlags flags = PdfWriteFlags::None) const
    {
        std::string ret;
        ToString(ret, flags);
        return ret;
    }
 
    void ToString(std::string& str, PdfWriteFlags flags = PdfWriteFlags::None) const
    {
        str.clear();
        StringStreamDevice device(str);
        charbuff buffer;
        static_cast<const T&>(*this).Write(device, flags, nullptr, buffer);
    }
};
 
}
 
#endif // PDF_BASE_DATA_TYPES_H