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// Copyright (c) 2006-2013, Andrey N. Sabelnikov, www.sabelnikov.net
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of the Andrey N. Sabelnikov nor the
// names of its contributors may be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
#pragma once
#include <set>
#include <list>
#include <vector>
#include <deque>
#include <boost/mpl/vector.hpp>
#include <boost/mpl/contains_fwd.hpp>
#undef MONERO_DEFAULT_LOG_CATEGORY
#define MONERO_DEFAULT_LOG_CATEGORY "serialization"
namespace epee
{
namespace
{
template<class C> void hint_resize(C &container, size_t size) {}
template<class C> void hint_resize(std::vector<C> &container, size_t size) { container.reserve(size); }
}
namespace serialization
{
//-------------------------------------------------------------------------------------------------------------------
template<class t_type, class t_storage>
static bool serialize_t_val_as_blob(const t_type& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
std::string blob((const char *)&d, sizeof(d));
return stg.set_value(pname, std::move(blob), hparent_section);
}
//-------------------------------------------------------------------------------------------------------------------
template<class t_type, class t_storage>
static bool unserialize_t_val_as_blob(t_type& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
std::string blob;
if(!stg.get_value(pname, blob, hparent_section))
return false;
CHECK_AND_ASSERT_MES(blob.size() == sizeof(d), false, "unserialize_t_val_as_blob: size of " << typeid(t_type).name() << " = " << sizeof(t_type) << ", but stored blod size = " << blob.size() << ", value name = " << pname);
d = *(const t_type*)blob.data();
return true;
}
//-------------------------------------------------------------------------------------------------------------------
template<class serializible_type, class t_storage>
static bool serialize_t_obj(const serializible_type& obj, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
typename t_storage::hsection hchild_section = stg.open_section(pname, hparent_section, true);
CHECK_AND_ASSERT_MES(hchild_section, false, "serialize_t_obj: failed to open/create section " << pname);
return obj.store(stg, hchild_section);
}
//-------------------------------------------------------------------------------------------------------------------
template<class serializible_type, class t_storage>
static bool unserialize_t_obj(serializible_type& obj, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
typename t_storage::hsection hchild_section = stg.open_section(pname, hparent_section, false);
if(!hchild_section) return false;
return obj._load(stg, hchild_section);
}
//-------------------------------------------------------------------------------------------------------------------
template<class serializible_type, class t_storage>
static bool serialize_t_obj(enableable<serializible_type>& obj, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
if(!obj.enabled)
return true;
return serialize_t_obj(obj.v, stg, hparent_section, pname);
}
//-------------------------------------------------------------------------------------------------------------------
template<class serializible_type, class t_storage>
static bool unserialize_t_obj(enableable<serializible_type>& obj, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
obj.enabled = false;
typename t_storage::hsection hchild_section = stg.open_section(pname, hparent_section, false);
if(!hchild_section) return false;
obj.enabled = true;
return obj.v._load(stg, hchild_section);
}
//-------------------------------------------------------------------------------------------------------------------
template<class stl_container, class t_storage>
static bool serialize_stl_container_t_val (const stl_container& container, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
using value_type = typename stl_container::value_type;
if(!container.size()) return true;
typename stl_container::const_iterator it = container.begin();
typename t_storage::harray hval_array = stg.insert_first_value(pname, value_type(*it), hparent_section);
CHECK_AND_ASSERT_MES(hval_array, false, "failed to insert first value to storage");
it++;
for(;it!= container.end();it++)
stg.insert_next_value(hval_array, value_type(*it));
return true;
}
//--------------------------------------------------------------------------------------------------------------------
template<class stl_container, class t_storage>
static bool unserialize_stl_container_t_val(stl_container& container, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
container.clear();
typename stl_container::value_type exchange_val;
typename t_storage::harray hval_array = stg.get_first_value(pname, exchange_val, hparent_section);
if(!hval_array) return false;
container.insert(container.end(), std::move(exchange_val));
while(stg.get_next_value(hval_array, exchange_val))
container.insert(container.end(), std::move(exchange_val));
return true;
}//--------------------------------------------------------------------------------------------------------------------
template<class stl_container, class t_storage>
static bool serialize_stl_container_pod_val_as_blob(const stl_container& container, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
if(!container.size()) return true;
std::string mb;
mb.resize(sizeof(typename stl_container::value_type)*container.size());
typename stl_container::value_type* p_elem = (typename stl_container::value_type*)mb.data();
BOOST_FOREACH(const typename stl_container::value_type& v, container)
{
*p_elem = v;
p_elem++;
}
return stg.set_value(pname, std::move(mb), hparent_section);
}
//--------------------------------------------------------------------------------------------------------------------
template<class stl_container, class t_storage>
static bool unserialize_stl_container_pod_val_as_blob(stl_container& container, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
container.clear();
std::string buff;
bool res = stg.get_value(pname, buff, hparent_section);
if(res)
{
size_t loaded_size = buff.size();
typename stl_container::value_type* pelem = (typename stl_container::value_type*)buff.data();
CHECK_AND_ASSERT_MES(!(loaded_size%sizeof(typename stl_container::value_type)),
false,
"size in blob " << loaded_size << " not have not zero modulo for sizeof(value_type) = " << sizeof(typename stl_container::value_type) << ", type " << typeid(typename stl_container::value_type).name());
size_t count = (loaded_size/sizeof(typename stl_container::value_type));
hint_resize(container, count);
for(size_t i = 0; i < count; i++)
container.insert(container.end(), *(pelem++));
}
return res;
}
//--------------------------------------------------------------------------------------------------------------------
template<class stl_container, class t_storage>
static bool serialize_stl_container_t_obj (const stl_container& container, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
bool res = false;
if(!container.size()) return true;
typename stl_container::const_iterator it = container.begin();
typename t_storage::hsection hchild_section = nullptr;
typename t_storage::harray hsec_array = stg.insert_first_section(pname, hchild_section, hparent_section);
CHECK_AND_ASSERT_MES(hsec_array && hchild_section, false, "failed to insert first section with section name " << pname);
res = it->store(stg, hchild_section);
it++;
for(;it!= container.end();it++)
{
stg.insert_next_section(hsec_array, hchild_section);
res |= it->store(stg, hchild_section);
}
return res;
}
//--------------------------------------------------------------------------------------------------------------------
template<class stl_container, class t_storage>
static bool unserialize_stl_container_t_obj(stl_container& container, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
bool res = false;
container.clear();
typename stl_container::value_type val = typename stl_container::value_type();
typename t_storage::hsection hchild_section = nullptr;
typename t_storage::harray hsec_array = stg.get_first_section(pname, hchild_section, hparent_section);
if(!hsec_array || !hchild_section) return false;
res = val._load(stg, hchild_section);
container.insert(container.end(), val);
while(stg.get_next_section(hsec_array, hchild_section))
{
typename stl_container::value_type val_l = typename stl_container::value_type();
res |= val_l._load(stg, hchild_section);
container.insert(container.end(), std::move(val_l));
}
return res;
}
//--------------------------------------------------------------------------------------------------------------------
template<bool>
struct kv_serialization_overloads_impl_is_base_serializable_types;
template<>
struct kv_serialization_overloads_impl_is_base_serializable_types<true>
{
template<class t_type, class t_storage>
static bool kv_serialize(const t_type& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return stg.set_value(pname, t_type(d), hparent_section);
}
//-------------------------------------------------------------------------------------------------------------------
template<class t_type, class t_storage>
static bool kv_unserialize(t_type& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return stg.get_value(pname, d, hparent_section);
}
//-------------------------------------------------------------------------------------------------------------------
template<class t_type, class t_storage>
static bool kv_serialize(const std::vector<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return serialize_stl_container_t_val(d, stg, hparent_section, pname);
}
//-------------------------------------------------------------------------------------------------------------------
template<class t_type, class t_storage>
static bool kv_unserialize(std::vector<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return unserialize_stl_container_t_val(d, stg, hparent_section, pname);
}
//-------------------------------------------------------------------------------------------------------------------
template<class t_type, class t_storage>
static bool kv_serialize(const std::deque<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return serialize_stl_container_t_val(d, stg, hparent_section, pname);
}
//-------------------------------------------------------------------------------------------------------------------
template<class t_type, class t_storage>
static bool kv_unserialize(std::deque<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return unserialize_stl_container_t_val(d, stg, hparent_section, pname);
}
//-------------------------------------------------------------------------------------------------------------------
template<class t_type, class t_storage>
static bool kv_serialize(const std::list<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return serialize_stl_container_t_val(d, stg, hparent_section, pname);
}
//-------------------------------------------------------------------------------------------------------------------
template<class t_type, class t_storage>
static bool kv_unserialize(std::list<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return unserialize_stl_container_t_val(d, stg, hparent_section, pname);
}
//-------------------------------------------------------------------------------------------------------------------
template<class t_type, class t_storage>
static bool kv_serialize(const std::set<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return serialize_stl_container_t_val(d, stg, hparent_section, pname);
}
//-------------------------------------------------------------------------------------------------------------------
template<class t_type, class t_storage>
static bool kv_unserialize(std::set<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return unserialize_stl_container_t_val(d, stg, hparent_section, pname);
}
//-------------------------------------------------------------------------------------------------------------------
};
template<>
struct kv_serialization_overloads_impl_is_base_serializable_types<false>
{
template<class t_type, class t_storage>
static bool kv_serialize(const t_type& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return serialize_t_obj(d, stg, hparent_section, pname);
}
//-------------------------------------------------------------------------------------------------------------------
template<class t_type, class t_storage>
static bool kv_unserialize(t_type& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return unserialize_t_obj(d, stg, hparent_section, pname);
}
//-------------------------------------------------------------------------------------------------------------------
template<class t_type, class t_storage>
static bool kv_serialize(const std::vector<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return serialize_stl_container_t_obj(d, stg, hparent_section, pname);
}
//-------------------------------------------------------------------------------------------------------------------
template<class t_type, class t_storage>
static bool kv_unserialize(std::vector<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return unserialize_stl_container_t_obj(d, stg, hparent_section, pname);
}
//-------------------------------------------------------------------------------------------------------------------
template<class t_type, class t_storage>
static bool kv_serialize(const std::deque<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return serialize_stl_container_t_obj(d, stg, hparent_section, pname);
}
//-------------------------------------------------------------------------------------------------------------------
template<class t_type, class t_storage>
static bool kv_unserialize(std::deque<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return unserialize_stl_container_t_obj(d, stg, hparent_section, pname);
}
//-------------------------------------------------------------------------------------------------------------------
template<class t_type, class t_storage>
static bool kv_serialize(const std::list<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return serialize_stl_container_t_obj(d, stg, hparent_section, pname);
}
//-------------------------------------------------------------------------------------------------------------------
template<class t_type, class t_storage>
static bool kv_unserialize(std::list<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return unserialize_stl_container_t_obj(d, stg, hparent_section, pname);
}
//-------------------------------------------------------------------------------------------------------------------
template<class t_type, class t_storage>
static bool kv_serialize(const std::set<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return serialize_stl_container_t_obj(d, stg, hparent_section, pname);
}
//-------------------------------------------------------------------------------------------------------------------
template<class t_type, class t_storage>
static bool kv_unserialize(std::set<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return unserialize_stl_container_t_obj(d, stg, hparent_section, pname);
}
};
template<class t_storage>
struct base_serializable_types: public boost::mpl::vector<uint64_t, uint32_t, uint16_t, uint8_t, int64_t, int32_t, int16_t, int8_t, double, bool, std::string, typename t_storage::meta_entry>::type
{};
//-------------------------------------------------------------------------------------------------------------------
template<bool> struct selector;
template<>
struct selector<true>
{
template<class t_type, class t_storage>
static bool serialize(const t_type& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return kv_serialize(d, stg, hparent_section, pname);
}
template<class t_type, class t_storage>
static bool serialize_stl_container_pod_val_as_blob(const t_type& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return epee::serialization::serialize_stl_container_pod_val_as_blob(d, stg, hparent_section, pname);
}
template<class t_type, class t_storage>
static bool serialize_t_val_as_blob(const t_type& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return epee::serialization::serialize_t_val_as_blob(d, stg, hparent_section, pname);
}
};
template<>
struct selector<false>
{
template<class t_type, class t_storage>
static bool serialize(t_type& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return kv_unserialize(d, stg, hparent_section, pname);
}
template<class t_type, class t_storage>
static bool serialize_stl_container_pod_val_as_blob(t_type& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return epee::serialization::unserialize_stl_container_pod_val_as_blob(d, stg, hparent_section, pname);
}
template<class t_type, class t_storage>
static bool serialize_t_val_as_blob(t_type& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return epee::serialization::unserialize_t_val_as_blob(d, stg, hparent_section, pname);
}
};
template<class t_type, class t_storage>
bool kv_serialize(const t_type& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return kv_serialization_overloads_impl_is_base_serializable_types<boost::mpl::contains<base_serializable_types<t_storage>, typename std::remove_const<t_type>::type>::value>::kv_serialize(d, stg, hparent_section, pname);
}
//-------------------------------------------------------------------------------------------------------------------
template<class t_type, class t_storage>
bool kv_unserialize(t_type& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return kv_serialization_overloads_impl_is_base_serializable_types<boost::mpl::contains<base_serializable_types<t_storage>, typename std::remove_const<t_type>::type>::value>::kv_unserialize(d, stg, hparent_section, pname);
}
//-------------------------------------------------------------------------------------------------------------------
template<class t_type, class t_storage>
bool kv_serialize(const std::vector<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return kv_serialization_overloads_impl_is_base_serializable_types<boost::mpl::contains<base_serializable_types<t_storage>, typename std::remove_const<t_type>::type>::value>::kv_serialize(d, stg, hparent_section, pname);
}
//-------------------------------------------------------------------------------------------------------------------
template<class t_type, class t_storage>
bool kv_unserialize(std::vector<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return kv_serialization_overloads_impl_is_base_serializable_types<boost::mpl::contains<base_serializable_types<t_storage>, typename std::remove_const<t_type>::type>::value>::kv_unserialize(d, stg, hparent_section, pname);
}
//-------------------------------------------------------------------------------------------------------------------
template<class t_type, class t_storage>
bool kv_serialize(const std::deque<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return kv_serialization_overloads_impl_is_base_serializable_types<boost::mpl::contains<base_serializable_types<t_storage>, typename std::remove_const<t_type>::type>::value>::kv_serialize(d, stg, hparent_section, pname);
}
//-------------------------------------------------------------------------------------------------------------------
template<class t_type, class t_storage>
bool kv_unserialize(std::deque<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return kv_serialization_overloads_impl_is_base_serializable_types<boost::mpl::contains<base_serializable_types<t_storage>, typename std::remove_const<t_type>::type>::value>::kv_unserialize(d, stg, hparent_section, pname);
}
//-------------------------------------------------------------------------------------------------------------------
template<class t_type, class t_storage>
bool kv_serialize(const std::list<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return kv_serialization_overloads_impl_is_base_serializable_types<boost::mpl::contains<base_serializable_types<t_storage>, typename std::remove_const<t_type>::type>::value>::kv_serialize(d, stg, hparent_section, pname);
}
//-------------------------------------------------------------------------------------------------------------------
template<class t_type, class t_storage>
bool kv_unserialize(std::list<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return kv_serialization_overloads_impl_is_base_serializable_types<boost::mpl::contains<base_serializable_types<t_storage>, typename std::remove_const<t_type>::type>::value>::kv_unserialize(d, stg, hparent_section, pname);
}
//-------------------------------------------------------------------------------------------------------------------
template<class t_type, class t_storage>
bool kv_serialize(const std::set<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return kv_serialization_overloads_impl_is_base_serializable_types<boost::mpl::contains<base_serializable_types<t_storage>, typename std::remove_const<t_type>::type>::value>::kv_serialize(d, stg, hparent_section, pname);
}
//-------------------------------------------------------------------------------------------------------------------
template<class t_type, class t_storage>
bool kv_unserialize(std::set<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
{
return kv_serialization_overloads_impl_is_base_serializable_types<boost::mpl::contains<base_serializable_types<t_storage>, typename std::remove_const<t_type>::type>::value>::kv_unserialize(d, stg, hparent_section, pname);
}
}
}
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