field_codec_manager.cpp

// 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/>.
#include "field_codec_manager.h"
 
std::map<google::protobuf::FieldDescriptor::Type, dccl::FieldCodecManager::InsideMap> dccl::FieldCodecManager::codecs_;
 
 
boost::shared_ptr<dccl::FieldCodecBase>
dccl::FieldCodecManager::__find(google::protobuf::FieldDescriptor::Type type,
                                                 const std::string& codec_name,
                                                 const std::string& type_name /* = "" */)
{
    typedef InsideMap::const_iterator InsideIterator;
    typedef std::map<google::protobuf::FieldDescriptor::Type, InsideMap>::const_iterator Iterator;
    
    Iterator it = codecs_.find(type);
    if(it != codecs_.end())
    {
        InsideIterator inside_it = it->second.end();
        // try specific type codec
        inside_it = it->second.find(__mangle_name(codec_name, type_name));
        if(inside_it != it->second.end())
            return inside_it->second;
        
        // try general 
        inside_it = it->second.find(codec_name);
        if(inside_it != it->second.end())
            return inside_it->second;
    }
    
    throw(Exception("No codec by the name `" + codec_name + "` found for type: " + internal::TypeHelper::find(type)->as_str()));
}