asn1decode.h

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// OSB library ************************************************ -*- C++ -*-
/*
  AUTHOR(S): Stephan Broennimann (vb)

  RCS information
   $Name: OSB_060808 $
   $Revision: 1.1 $

  License
   OSB rating and billing library for communication networks
   Copyright (C) 2004, 2005, 2006  OSB systems

   This file may be distributed and/or modify under the terms of the
   GNU General Public License (GPL) as published by the Free Software
   Foundation which is provided in the file LICENSE.GPL included in the
   packaging of this file.

   The file is distributed in the hope that it will be useful, but WITHOUT
   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   for more details.

   Holders of a OSB Commercial License may use this file under the terms
   and conditions of this commercial license.
 */
#ifndef _ASN1DECODE_H_
#define _ASN1DECODE_H_

// ************************************************************************
// included header files
// + standard includes

// + libraries

// + local headers
#include "asn1reader.h"

// + class declarations

// ************************************************************************
// namespace extensions
namespace OSB_LIB {

// ************************************************************************
// forward declarations

// ************************************************************************
// type definitions

// ************************************************************************
// class definitions
    class Asn1Decoder {
    public:
        virtual ~Asn1Decoder() {}
        virtual size_t operator()(
            Asn1Info&  src,
            OsbErrors& errors
        ) = 0;
    };                                  // class Asn1Decoder

    class Asn1DataDecoder {
    public:
        virtual ~Asn1DataDecoder() {}

        virtual int operator()(const Asn1Info& src) = 0;
    };                                  // class Asn1DataDecoder

    class Asn1Int2Long : public Asn1DataDecoder {
    public:
        int operator()(const Asn1Info& src);

        int operator()(
            const Asn1Byte* data,
            const size_t    size
        );

        long value() const { return value_; }
    private:
        long value_;
    };                                  // class Asn1Int2Long

    class Asn1String2String : public Asn1DataDecoder {
    public:
        explicit Asn1String2String(std::string& dest)
          : dest_(dest)
        {
            // empty
        }

        int operator()(const Asn1Info& src);
        int operator()(
            const Asn1Byte* data,
            const size_t    size
        );
    private:
        std::string& dest_;
    };                                  // class Asn1String2String

}                                       // namespace OSB_LIB

// ************************************************************************
// inline definitions
namespace OSB_LIB {
}                                       // namespace OSB_LIB
#endif                                  // #ifndef _ASN1DECODE_H_

---