EmbeddedProto/generator/templates/TypeDefMsg.h

{#
Copyright (C) 2020 Embedded AMS B.V. - All Rights Reserved

This file is part of Embedded Proto.

Embedded Proto is open source software: you can redistribute it and/or
modify it under the terms of the GNU General Public License as published
by the Free Software Foundation, version 3 of the license.

Embedded Proto  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.

You should have received a copy of the GNU General Public License
along with Embedded Proto. If not, see <https://www.gnu.org/licenses/>.

For commercial and closed source application please visit:
<https://EmbeddedProto.com/license/>.

Embedded AMS B.V.
Info:
  info at EmbeddedProto dot com

Postal address:
  Johan Huizingalaan 763a
  1066 VH, Amsterdam
  the Netherlands
#}
{% import 'TypeOneof.h' as TypeOneof %}
{% for tmpl_param in typedef.get_templates() %}
{{"template<" if loop.first}}{{tmpl_param['type']}} {{tmpl_param['name']}}{{", " if not loop.last}}{{">" if loop.last}}
{% endfor %}
class {{ typedef.get_name() }} final: public ::EmbeddedProto::MessageInterface
{
  public:
    {{ typedef.get_name() }}(){% if (typedef.fields or typedef.oneofs) %} :
    {% endif %}
    {% for field in typedef.fields %}
        {{field.get_variable_name()}}({{field.get_default_value()}}){{"," if not loop.last}}{{"," if loop.last and typedef.oneofs}}
    {% endfor %}
    {% for oneof in typedef.oneofs %}
        {{oneof.get_which_oneof()}}(id::NOT_SET){{"," if not loop.last}}
    {% endfor %}
    {

    };
    ~{{ typedef.get_name() }}() override = default;

    {% for enum in typedef.nested_enum_definitions %}
    {{ enum.render(environment)|indent(4) }}

    {% endfor %}
    {% for msg in typedef.nested_msg_definitions %}
    {{ msg.render(environment)|indent(4) }}

    {% endfor %}
    enum class id
    {
      NOT_SET = 0,
      {% for id_set in typedef.field_ids %}
      {{id_set[1]}} = {{id_set[0]}}{{ "," if not loop.last }}
      {% endfor %}
    };

    {{ typedef.name }}& operator=(const {{ typedef.name }}& rhs)
    {
      {% for field in typedef.fields %}
      set_{{ field.get_name() }}(rhs.get_{{ field.get_name() }}());
      {% endfor %}
      {% for oneof in typedef.oneofs %}
      {{ TypeOneof.assign(oneof)|indent(6) }}
      {% endfor %}
      return *this;
    }

    {% for field in typedef.fields %}
    {{ field.render_get_set(environment)|indent(4) }}

    {% endfor %}
    {% for oneof in typedef.oneofs %}
    id get_which_{{oneof.get_name()}}() const { return {{oneof.get_which_oneof()}}; }

    {% for field in oneof.fields %}
    {{ field.render_get_set(environment)|indent(4) }}

    {% endfor %}
    {% endfor %}

    ::EmbeddedProto::Error serialize(::EmbeddedProto::WriteBufferInterface& buffer) const final
    {
      ::EmbeddedProto::Error return_value = ::EmbeddedProto::Error::NO_ERRORS;

      {% for field in typedef.fields %}
      {{ field.render_serialize(environment)|indent(6) }}

      {% endfor %}
      {% for oneof in typedef.oneofs %}
      switch({{oneof.get_which_oneof()}})
      {
        {% for field in oneof.get_fields() %}
        case id::{{field.variable_id_name}}:
          {{ field.render_serialize(environment)|indent(10) }}
          break;

        {% endfor %}
        default:
          break;
      }

      {% endfor %}
      return return_value;
    };

    ::EmbeddedProto::Error deserialize(::EmbeddedProto::ReadBufferInterface& buffer) final
    {
      ::EmbeddedProto::Error return_value = ::EmbeddedProto::Error::NO_ERRORS;
      ::EmbeddedProto::WireFormatter::WireType wire_type;
      uint32_t id_number = 0;

      ::EmbeddedProto::Error tag_value = ::EmbeddedProto::WireFormatter::DeserializeTag(buffer, wire_type, id_number);
      while((::EmbeddedProto::Error::NO_ERRORS == return_value) && (::EmbeddedProto::Error::NO_ERRORS == tag_value))
      {
        switch(id_number)
        {
          {% for field in typedef.fields %}
          case static_cast<uint32_t>(id::{{field.get_variable_id_name()}}):
          {
            {{ field.render_deserialize(environment)|indent(12) }}
            break;
          }

          {% endfor %}
          {% for oneof in typedef.oneofs %}
          {% for field in oneof.get_fields() %}
          case static_cast<uint32_t>(id::{{field.get_variable_id_name()}}):
          {
            {{ field.render_deserialize(environment)|indent(12) }}
            break;
          }

          {% endfor %}
          {% endfor %}
          default:
            break;
        }

        if(::EmbeddedProto::Error::NO_ERRORS == return_value)
        {
            // Read the next tag.
            tag_value = ::EmbeddedProto::WireFormatter::DeserializeTag(buffer, wire_type, id_number);
        }
      }

      // When an error was detect while reading the tag but no other errors where found, set it in the return value.
      if((::EmbeddedProto::Error::NO_ERRORS == return_value)
         && (::EmbeddedProto::Error::NO_ERRORS != tag_value)
         && (::EmbeddedProto::Error::END_OF_BUFFER != tag_value)) // The end of the buffer is not an array in this case.
      {
        return_value = tag_value;
      }

      return return_value;
    };

    void clear() final
    {
      {% for field in typedef.fields %}
      clear_{{field.get_name()}}();
      {% endfor %}
      {% for oneof in typedef.oneofs %}
      clear_{{oneof.get_name()}}();
      {% endfor %}

    }

    private:

      {% for field in typedef.fields %}
      {{field.get_type()}} {{field.get_variable_name()}};
      {% endfor %}

      {% for oneof in typedef.oneofs %}
      id {{oneof.get_which_oneof()}};
      union {{oneof.get_name()}}
      {
        {{oneof.get_name()}}() {}
        ~{{oneof.get_name()}}() {}
        {% for field in oneof.fields %}
        {# Here we use the field name variable instead of the get_ function as the get function will add the oneof
           name. This is the only place where this is required. #}
        {{field.get_type()}} {{field.variable_name}};
        {% endfor %}
      };
      {{oneof.get_name()}} {{oneof.get_variable_name()}};

      {{ TypeOneof.init(oneof)|indent(6) }}
      {{ TypeOneof.clear(oneof)|indent(6) }}
      {% endfor %}
};