mirror of
https://github.com/monero-project/monero.git
synced 2025-08-10 22:40:08 -04:00
moved all stuff to github
This commit is contained in:
parent
095fbeeb67
commit
296ae46ed8
388 changed files with 95937 additions and 469 deletions
110
src/serialization/variant.h
Normal file
110
src/serialization/variant.h
Normal file
|
@ -0,0 +1,110 @@
|
|||
// Copyright (c) 2012-2013 The Cryptonote developers
|
||||
// Distributed under the MIT/X11 software license, see the accompanying
|
||||
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <boost/variant/variant.hpp>
|
||||
#include <boost/variant/apply_visitor.hpp>
|
||||
#include <boost/variant/static_visitor.hpp>
|
||||
#include <boost/mpl/empty.hpp>
|
||||
#include <boost/mpl/if.hpp>
|
||||
#include <boost/mpl/front.hpp>
|
||||
#include <boost/mpl/pop_front.hpp>
|
||||
#include "serialization.h"
|
||||
|
||||
template <class Archive, class T>
|
||||
struct variant_serialization_traits
|
||||
{
|
||||
};
|
||||
|
||||
template <class Archive, class Variant, class TBegin, class TEnd>
|
||||
struct variant_reader
|
||||
{
|
||||
typedef typename Archive::variant_tag_type variant_tag_type;
|
||||
typedef typename boost::mpl::next<TBegin>::type TNext;
|
||||
typedef typename boost::mpl::deref<TBegin>::type current_type;
|
||||
|
||||
static inline bool read(Archive &ar, Variant &v, variant_tag_type t)
|
||||
{
|
||||
if (variant_serialization_traits<Archive, current_type>::get_tag() == t) {
|
||||
current_type x;
|
||||
if(!::do_serialize(ar, x))
|
||||
{
|
||||
ar.stream().setstate(std::ios::failbit);
|
||||
return false;
|
||||
}
|
||||
v = x;
|
||||
} else {
|
||||
return variant_reader<Archive, Variant, TNext, TEnd>::read(ar, v, t);
|
||||
}
|
||||
return true;
|
||||
}
|
||||
};
|
||||
|
||||
template <class Archive, class Variant, class TBegin>
|
||||
struct variant_reader<Archive, Variant, TBegin, TBegin>
|
||||
{
|
||||
typedef typename Archive::variant_tag_type variant_tag_type;
|
||||
|
||||
static inline bool read(Archive &ar, Variant &v, variant_tag_type t)
|
||||
{
|
||||
ar.stream().setstate(std::ios::failbit);
|
||||
return false;
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
|
||||
template <template <bool> class Archive, BOOST_VARIANT_ENUM_PARAMS(typename T)>
|
||||
struct serializer<Archive<false>, boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)>>
|
||||
{
|
||||
typedef boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)> variant_type;
|
||||
typedef typename Archive<false>::variant_tag_type variant_tag_type;
|
||||
typedef typename variant_type::types types;
|
||||
|
||||
static bool serialize(Archive<false> &ar, variant_type &v) {
|
||||
variant_tag_type t;
|
||||
ar.begin_variant();
|
||||
ar.read_variant_tag(t);
|
||||
if(!variant_reader<Archive<false>, variant_type, typename boost::mpl::begin<types>::type, typename boost::mpl::end<types>::type>::read(ar, v, t))
|
||||
{
|
||||
ar.stream().setstate(std::ios::failbit);
|
||||
return false;
|
||||
}
|
||||
ar.end_variant();
|
||||
return true;
|
||||
}
|
||||
};
|
||||
|
||||
template <template <bool> class Archive, BOOST_VARIANT_ENUM_PARAMS(typename T)>
|
||||
struct serializer<Archive<true>, boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)>>
|
||||
{
|
||||
typedef boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)> variant_type;
|
||||
//typedef typename Archive<true>::variant_tag_type variant_tag_type;
|
||||
|
||||
struct visitor : public boost::static_visitor<bool>
|
||||
{
|
||||
Archive<true> &ar;
|
||||
|
||||
visitor(Archive<true> &a) : ar(a) { }
|
||||
|
||||
template <class T>
|
||||
bool operator ()(T &rv) const
|
||||
{
|
||||
ar.begin_variant();
|
||||
ar.write_variant_tag(variant_serialization_traits<Archive<true>, T>::get_tag());
|
||||
if(!::do_serialize(ar, rv))
|
||||
{
|
||||
ar.stream().setstate(std::ios::failbit);
|
||||
return false;
|
||||
}
|
||||
ar.end_variant();
|
||||
return true;
|
||||
}
|
||||
};
|
||||
|
||||
static bool serialize(Archive<true> &ar, variant_type &v) {
|
||||
return boost::apply_visitor(visitor(ar), v);
|
||||
}
|
||||
};
|
Loading…
Add table
Add a link
Reference in a new issue