Create MEC 040 codec

/*!

 * \file      json_codec_factory_mec040.hh

 * \brief     Header file for ITS JSON/IP protocol codec factory.

 * \author    ETSI STF569 / TTF T027

 * \copyright ETSI Copyright Notification

 *            No part may be reproduced except as authorized by written permission.

 *            The copyright and the foregoing restriction extend to reproduction in all media.

 *            All rights reserved.

 * \version   0.1

 */

#pragma once

#include "codec_stack_builder.hh"

#include "json_codec_mec040.hh"

class Record_Type; //! TITAN forward declaration

/*!

 * \class json_codec_factory_mec040

 * \brief  This class provides a factory class to create an json_codec class instance

 */

class json_codec_factory_mec040: public codec_factory {

  static json_codec_factory_mec040 _f; //! Reference to the unique instance of this class

public: //! \publicsection

  /*!

   * \brief Default constructor

   *        Create a new instance of the json_codec_factory_mec040 class

   * \remark The HELD/IP codec identifier is HELD

   */

  json_codec_factory_mec040() {

    // register factory

    codec_stack_builder::register_codec_factory("json_codec_mec040", this);

  };

  /*!

   * \fn codec* create_codec(const std::string & type, const std::string & param);

   * \brief  Create the codecs stack based on the provided codecs stack description

   * \param[in] p_type The provided codecs stack description

   * \param[in] p_params Optional parameters

   * \return 0 on success, -1 otherwise

   * \inline

   */

  inline virtual codec_gen<Record_Type, Record_Type>* create_codec() {

    return (codec_gen<Record_Type, Record_Type>*)new json_codec_mec040();

  };

}; // End of class json_codec_factory_mec040

#include <stdexcept>

#include <regex>

#include <string>

#include "json_codec_factory_mec040.hh"

#include "loggers.hh"

#include "LibHttp_JsonMessageBodyTypes.hh"

int json_codec_mec040::encode (const LibHttp__JsonMessageBodyTypes::JsonBody& msg, OCTETSTRING& data)

{

  loggers::get_instance().log_msg(">>> json_codec_mec040::encode: ", (const Base_Type&)msg);

  TTCN_EncDec::clear_error();

  TTCN_EncDec::set_error_behavior(TTCN_EncDec::ET_ALL, TTCN_EncDec::EB_DEFAULT);

  TTCN_Buffer encoding_buffer;

  if (msg.ischosen(LibHttp__JsonMessageBodyTypes::JsonBody::ALT_systemInfo)) {

    const FederationEnablementAPI__TypesAndValues::SystemInfo& system_info = msg.systemInfo();

    system_info.encode(FederationEnablementAPI__TypesAndValues::SystemInfo_descr_, encoding_buffer, TTCN_EncDec::CT_JSON);

    data = /*char2oct(CHARSTRING("{\"SystemInfo\": ")) + */OCTETSTRING(encoding_buffer.get_len(), encoding_buffer.get_data())/* + char2oct(CHARSTRING("}"))*/;

  } else {

    return json_codec::encode(msg, data);

  }

  loggers::get_instance().log("<<< json_codec_mec040::encode");

  return 0;

}

int json_codec_mec040::decode (const OCTETSTRING& p_data, LibHttp__JsonMessageBodyTypes::JsonBody& msg, params* p_params)

{

  loggers::get_instance().log_msg(">>> json_codec_mec040::decode: p_data=", p_data);

  // Sanity checks

  params::const_iterator it;

  if (p_params == nullptr) {

    loggers::get_instance().warning("json_codec_mec040::decode: Failed to access p_params (null pointer)");

    return -1; // TODO Use p_data instead of return -1

  } else {

    it = p_params->find("decode_str");

    if (it == p_params->cend()) {

      loggers::get_instance().warning("json_codec_mec040::decode: Failed to access p_params item (decode_str)");

      return -1; // TODO Use p_data instead of return -1

    }

    loggers::get_instance().log("json_codec_mec040::decode: it->second='%c' / '%s'", it->second.c_str()[0], it->second.c_str());

  }

  // Remove data structure name (if present) ...

  std::string str;

  if ((it->second[0] != '[') && (it->second[0] != '{')) {

    int idx_begin = it->second.find(":");

    int idx_end = it->second.rfind("}") - 1; // Remove the last '}'

    str = it->second.substr(idx_begin + 1, idx_end - idx_begin);

  } else {

    str = it->second;

  }

  // ..and create the decoding buffer

  TTCN_EncDec::set_error_behavior(TTCN_EncDec::ET_ALL, TTCN_EncDec::EB_DEFAULT);

  TTCN_EncDec::clear_error();

  loggers::get_instance().log("json_codec_mec040::decode: decoding_buffer='%c' / '%s'", str[0], str.c_str());

  TTCN_Buffer decoding_buffer(OCTETSTRING(str.length(), (const unsigned char*)str.c_str()));

  if (it->second.find("\"systemId\"") != std::string::npos) { // Be careful to the order

    if (it->second[0] == '[') {

      FederationEnablementAPI__TypesAndValues::SystemInfoList system_info_list;

      system_info_list.decode(FederationEnablementAPI__TypesAndValues::SystemInfoList_descr_, decoding_buffer, TTCN_EncDec::CT_JSON);

      msg.systemInfoList() = system_info_list;

    } else {

      FederationEnablementAPI__TypesAndValues::SystemInfo system_info;

      system_info.decode(FederationEnablementAPI__TypesAndValues::SystemInfo_descr_, decoding_buffer, TTCN_EncDec::CT_JSON);

      msg.systemInfo() = system_info;

    }

  } else {

    return json_codec::decode(p_data, msg, p_params);

  }

  loggers::get_instance().log_msg("<<< json_codec_mec040::decode: ", (const Base_Type&)msg);

  return 0;

}

json_codec_factory_mec040 json_codec_factory_mec040::_f;

#pragma once

#include "codec_gen.hh"

#include "params.hh"

#include "json_codec.hh"

class Base_Type;

class TTCN_Typedescriptor_t;

class TTCN_Buffer;

namespace LibHttp__JsonMessageBodyTypes {

  class JsonBody;

}

class json_codec_mec040: public json_codec

{

public:

  explicit json_codec_mec040() : json_codec() { };

  virtual ~json_codec_mec040() { };

  int encode (const LibHttp__JsonMessageBodyTypes::JsonBody&, OCTETSTRING& data);

  int decode (const OCTETSTRING& p_data, LibHttp__JsonMessageBodyTypes::JsonBody&, params* p_params = NULL);

}; // End of class json_codec_mec040