field_codec_default.h

// Copyright 2009-2017 Toby Schneider (http://gobysoft.org/index.wt/people/toby)
//                     GobySoft, LLC (for 2013-)
//                     Massachusetts Institute of Technology (for 2007-2014)
//                     Community contributors (see AUTHORS file)
//
//
// This file is part of the Dynamic Compact Control Language Library
// ("DCCL").
//
// DCCL is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 2.1 of the License, or
// (at your option) any later version.
//
// DCCL 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with DCCL.  If not, see <http://www.gnu.org/licenses/>.
// implements FieldCodecBase for all the basic DCCL types for version 3
 
#ifndef DCCLV3FIELDCODECDEFAULT20140403H
#define DCCLV3FIELDCODECDEFAULT20140403H
 
#include "dccl/codecs2/field_codec_default.h"
 
namespace dccl
{
    namespace v3
    {
 // all these are the same as version 2
        template<typename WireType, typename FieldType = WireType>
            class DefaultNumericFieldCodec : public v2::DefaultNumericFieldCodec<WireType, FieldType> { };
 
        typedef v2::DefaultBoolCodec DefaultBoolCodec;
        typedef v2::DefaultBytesCodec DefaultBytesCodec;
        // Enum Codec is identical to v2, except when packed_enum is set to false.
 
        class DefaultEnumCodec
            : public DefaultNumericFieldCodec<int32, const google::protobuf::EnumValueDescriptor*>
        {
          public:
            int32 pre_encode(const google::protobuf::EnumValueDescriptor* const& field_value);
            const google::protobuf::EnumValueDescriptor* post_decode(const int32& wire_value);
            void validate() { }
 
          private:
 
            double max();
            double min();
        };
        
        template<typename TimeType>
            class TimeCodec : public v2::TimeCodecBase<TimeType, 0>
        { BOOST_STATIC_ASSERT(sizeof(TimeCodec) == 0); };
 
        template<> class TimeCodec<uint64> : public v2::TimeCodecBase<uint64, 1000000> { };
        template<> class TimeCodec<int64> : public v2::TimeCodecBase<int64, 1000000> { };
        template<> class TimeCodec<double> : public v2::TimeCodecBase<double, 1> { };
    
        template<typename T>
            class StaticCodec : public v2::StaticCodec<T>
        { };
 
 
        class DefaultStringCodec : public TypedFieldCodec<std::string>
        {
        private:
            Bitset encode();
            Bitset encode(const std::string& wire_value);
            std::string decode(Bitset* bits);
            unsigned size();
            unsigned size(const std::string& wire_value);
            unsigned max_size();
            unsigned min_size();
            void validate();
        };
 
    }
}
 
#endif