Files
uLib/src/Core/Uuid.h
2019-07-31 09:16:53 +00:00

164 lines
4.4 KiB
C++

/*//////////////////////////////////////////////////////////////////////////////
// CMT Cosmic Muon Tomography project //////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
Copyright (c) 2014, Universita' degli Studi di Padova, INFN sez. di Padova
All rights reserved
Authors: Andrea Rigoni Garola < andrea.rigoni@pd.infn.it >
------------------------------------------------------------------
This library 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 3.0 of the License, or (at your option) any later version.
This library 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 this library.
//////////////////////////////////////////////////////////////////////////////*/
#ifndef U_CORE_UUID_H
#define U_CORE_UUID_H
#include <iostream>
#include <vector>
#include <boost/uuid/uuid.hpp>
#include <boost/uuid/name_generator.hpp>
#include <boost/uuid/random_generator.hpp>
#include <boost/uuid/uuid_io.hpp>
#include "Core/Mpl.h"
#include "Core/Object.h"
namespace uLib {
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
// Object Registration //
typedef boost::uuids::uuid uuid_t;
extern uuid_t uLib_dns_uuid;
template < typename T >
class type_id : public boost::uuids::uuid {
public:
type_id() :
m_size(sizeof(T)),
uuid(boost::uuids::name_generator(uLib_dns_uuid)(typeid(T).name()))
{
std::cout << "Request for register new type\n" <<
"name: " << typeid(T).name() << "\n" <<
"uuid: " << to_string(*this) << "\n";
}
explicit type_id(boost::uuids::uuid const& u)
: boost::uuids::uuid(u) {}
operator boost::uuids::uuid() {
return static_cast<boost::uuids::uuid&>(*this);
}
operator boost::uuids::uuid() const {
return static_cast<boost::uuids::uuid const&>(*this);
}
unsigned int size() const { return m_size; }
private:
unsigned int m_size;
};
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
// TYPE REGISTER //
namespace detail {
class TypeRegister {
typedef boost::uuids::name_generator IDGen_t;
public:
struct RegisterEntry {
uuid_t id;
int size;
};
TypeRegister(uuid_t const &dns) :
gen(dns) {}
template< typename T >
RegisterEntry * AddType(T *t = NULL) {
RegisterEntry en = { gen(typeid(T).name()), sizeof(T) };
for(int i=0; i < m_registry.size(); ++i)
if(en.id == m_registry[i].id) return &(m_registry[i]);
m_registry.push_back(en);
return &m_registry.back();
}
void PrintSelf(std::ostream &o) {
std::cout << "RegisterController: \n";
for (int i=0; i<m_registry.size(); ++i)
o << "type [" << i << "]: "
<< to_string(m_registry[i].id) << " "
<< m_registry[i].size << "\n";
o << "\n";
}
private:
IDGen_t gen;
std::vector<RegisterEntry> m_registry;
};
} // detail
class TypeRegister : public detail::TypeRegister {
public:
typedef detail::TypeRegister BaseClass;
typedef detail::TypeRegister::RegisterEntry Entry;
static TypeRegister* Controller();
private:
TypeRegister(); // Blocks constructor
static TypeRegister *s_Instance; // Singleton instance
};
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
// OBJECT REGISTER //
} // uLib
#endif // UUID_H