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373 lines
21 KiB
C++
373 lines
21 KiB
C++
// Copyright (c) 2014, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Parts of this file are originally copyright (c) 2006-2013, Andrey N. Sabelnikov
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#pragma once
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namespace epee
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{
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namespace serialization
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{
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//-------------------------------------------------------------------------------------------------------------------
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template<class t_type, class t_storage>
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static bool serialize_t_val(const t_type& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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return stg.set_value(pname, d, hparent_section);
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}
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//-------------------------------------------------------------------------------------------------------------------
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template<class t_type, class t_storage>
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static bool unserialize_t_val(t_type& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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return stg.get_value(pname, d, hparent_section);
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}
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//-------------------------------------------------------------------------------------------------------------------
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template<class t_type, class t_storage>
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static bool serialize_t_val_as_blob(const t_type& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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std::string blob((const char *)&d, sizeof(d));
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return stg.set_value(pname, blob, hparent_section);
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}
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//-------------------------------------------------------------------------------------------------------------------
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template<class t_type, class t_storage>
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static bool unserialize_t_val_as_blob(t_type& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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std::string blob;
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if(!stg.get_value(pname, blob, hparent_section))
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return false;
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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);
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d = *(const t_type*)blob.data();
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return true;
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}
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//-------------------------------------------------------------------------------------------------------------------
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template<class serializible_type, class t_storage>
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static bool serialize_t_obj(const serializible_type& obj, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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typename t_storage::hsection hchild_section = stg.open_section(pname, hparent_section, true);
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CHECK_AND_ASSERT_MES(hchild_section, false, "serialize_t_obj: failed to open/create section " << pname);
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return obj.store(stg, hchild_section);
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}
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//-------------------------------------------------------------------------------------------------------------------
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template<class serializible_type, class t_storage>
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static bool unserialize_t_obj(serializible_type& obj, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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typename t_storage::hsection hchild_section = stg.open_section(pname, hparent_section, true);
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if(!hchild_section) return false;
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return obj._load(stg, hchild_section);
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}
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//-------------------------------------------------------------------------------------------------------------------
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template<class serializible_type, class t_storage>
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static bool serialize_t_obj(enableable<serializible_type>& obj, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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if(!obj.enabled)
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return true;
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return serialize_t_obj(obj.v, stg, hparent_section, pname);
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}
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//-------------------------------------------------------------------------------------------------------------------
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template<class serializible_type, class t_storage>
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static bool unserialize_t_obj(enableable<serializible_type>& obj, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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obj.enabled = false;
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typename t_storage::hsection hchild_section = stg.open_section(pname, hparent_section, true);
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if(!hchild_section) return false;
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obj.enabled = true;
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return obj.v._load(stg, hchild_section);
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}
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//-------------------------------------------------------------------------------------------------------------------
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template<class stl_container, class t_storage>
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static bool serialize_stl_container_t_val (const stl_container& container, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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if(!container.size()) return true;
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typename stl_container::const_iterator it = container.begin();
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typename t_storage::harray hval_array = stg.insert_first_value(pname, *it, hparent_section);
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CHECK_AND_ASSERT_MES(hval_array, false, "failed to insert first value to storage");
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it++;
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for(;it!= container.end();it++)
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stg.insert_next_value(hval_array, *it);
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return true;
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}
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//--------------------------------------------------------------------------------------------------------------------
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template<class stl_container, class t_storage>
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static bool unserialize_stl_container_t_val(stl_container& container, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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container.clear();
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typename stl_container::value_type exchange_val;
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typename t_storage::harray hval_array = stg.get_first_value(pname, exchange_val, hparent_section);
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if(!hval_array) return false;
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container.push_back(std::move(exchange_val));
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while(stg.get_next_value(hval_array, exchange_val))
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container.push_back(std::move(exchange_val));
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return true;
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}//--------------------------------------------------------------------------------------------------------------------
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template<class stl_container, class t_storage>
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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)
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{
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if(!container.size()) return true;
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typename stl_container::const_iterator it = container.begin();
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std::string mb;
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mb.resize(sizeof(typename stl_container::value_type)*container.size());
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typename stl_container::value_type* p_elem = (typename stl_container::value_type*)mb.data();
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BOOST_FOREACH(const typename stl_container::value_type& v, container)
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{
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*p_elem = v;
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p_elem++;
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}
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return stg.set_value(pname, mb, hparent_section);
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}
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//--------------------------------------------------------------------------------------------------------------------
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template<class stl_container, class t_storage>
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static bool unserialize_stl_container_pod_val_as_blob(stl_container& container, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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container.clear();
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std::string buff;
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bool res = stg.get_value(pname, buff, hparent_section);
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if(res)
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{
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size_t loaded_size = buff.size();
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typename stl_container::value_type* pelem = (typename stl_container::value_type*)buff.data();
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CHECK_AND_ASSERT_MES(!(loaded_size%sizeof(typename stl_container::value_type)),
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false,
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"size in blob " << loaded_size << " not have not zero modulo for sizeof(value_type) = " << sizeof(typename stl_container::value_type));
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size_t count = (loaded_size/sizeof(typename stl_container::value_type));
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for(size_t i = 0; i < count; i++)
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container.push_back(*(pelem++));
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}
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return res;
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}
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//--------------------------------------------------------------------------------------------------------------------
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template<class stl_container, class t_storage>
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static bool serialize_stl_container_t_obj (const stl_container& container, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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bool res = false;
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if(!container.size()) return true;
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typename stl_container::const_iterator it = container.begin();
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typename t_storage::hsection hchild_section = nullptr;
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typename t_storage::harray hsec_array = stg.insert_first_section(pname, hchild_section, hparent_section);
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CHECK_AND_ASSERT_MES(hsec_array && hchild_section, false, "failed to insert first section with section name " << pname);
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res = it->store(stg, hchild_section);
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it++;
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for(;it!= container.end();it++)
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{
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stg.insert_next_section(hsec_array, hchild_section);
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res |= it->store(stg, hchild_section);
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}
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return res;
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}
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//--------------------------------------------------------------------------------------------------------------------
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template<class stl_container, class t_storage>
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static bool unserialize_stl_container_t_obj(stl_container& container, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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bool res = false;
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container.clear();
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typename stl_container::value_type val = typename stl_container::value_type();
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typename t_storage::hsection hchild_section = nullptr;
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typename t_storage::harray hsec_array = stg.get_first_section(pname, hchild_section, hparent_section);
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if(!hsec_array || !hchild_section) return false;
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res = val._load(stg, hchild_section);
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container.push_back(val);
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while(stg.get_next_section(hsec_array, hchild_section))
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{
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typename stl_container::value_type val_l = typename stl_container::value_type();
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res |= val_l._load(stg, hchild_section);
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container.push_back(std::move(val_l));
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}
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return res;
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}
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//--------------------------------------------------------------------------------------------------------------------
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template<bool>
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struct kv_serialization_overloads_impl_is_base_serializable_types;
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template<>
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struct kv_serialization_overloads_impl_is_base_serializable_types<true>
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{
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template<class t_type, class t_storage>
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static bool kv_serialize(const t_type& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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return stg.set_value(pname, d, hparent_section);
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}
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//-------------------------------------------------------------------------------------------------------------------
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template<class t_type, class t_storage>
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static bool kv_unserialize(t_type& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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return stg.get_value(pname, d, hparent_section);
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}
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//-------------------------------------------------------------------------------------------------------------------
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template<class t_type, class t_storage>
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static bool kv_serialize(const std::vector<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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return serialize_stl_container_t_val(d, stg, hparent_section, pname);
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}
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//-------------------------------------------------------------------------------------------------------------------
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template<class t_type, class t_storage>
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static bool kv_unserialize(std::vector<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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return unserialize_stl_container_t_val(d, stg, hparent_section, pname);
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}
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//-------------------------------------------------------------------------------------------------------------------
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template<class t_type, class t_storage>
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static bool kv_serialize(const std::list<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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return serialize_stl_container_t_val(d, stg, hparent_section, pname);
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}
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//-------------------------------------------------------------------------------------------------------------------
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template<class t_type, class t_storage>
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static bool kv_unserialize(std::list<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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return unserialize_stl_container_t_val(d, stg, hparent_section, pname);
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}
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//-------------------------------------------------------------------------------------------------------------------
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};
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template<>
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struct kv_serialization_overloads_impl_is_base_serializable_types<false>
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{
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template<class t_type, class t_storage>
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static bool kv_serialize(const t_type& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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return serialize_t_obj(d, stg, hparent_section, pname);
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}
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//-------------------------------------------------------------------------------------------------------------------
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template<class t_type, class t_storage>
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static bool kv_unserialize(t_type& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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return unserialize_t_obj(d, stg, hparent_section, pname);
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}
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//-------------------------------------------------------------------------------------------------------------------
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template<class t_type, class t_storage>
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static bool kv_serialize(const std::vector<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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return serialize_stl_container_t_obj(d, stg, hparent_section, pname);
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}
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//-------------------------------------------------------------------------------------------------------------------
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template<class t_type, class t_storage>
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static bool kv_unserialize(std::vector<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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return unserialize_stl_container_t_obj(d, stg, hparent_section, pname);
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}
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//-------------------------------------------------------------------------------------------------------------------
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template<class t_type, class t_storage>
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static bool kv_serialize(const std::list<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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return serialize_stl_container_t_obj(d, stg, hparent_section, pname);
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}
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//-------------------------------------------------------------------------------------------------------------------
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template<class t_type, class t_storage>
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static bool kv_unserialize(std::list<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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return unserialize_stl_container_t_obj(d, stg, hparent_section, pname);
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}
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};
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template<class t_storage>
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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
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{};
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//-------------------------------------------------------------------------------------------------------------------
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template<bool> struct selector;
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template<>
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struct selector<true>
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{
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template<class t_type, class t_storage>
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static bool serialize(const t_type& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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return kv_serialize(d, stg, hparent_section, pname);
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}
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template<class t_type, class t_storage>
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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)
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{
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return epee::serialization::serialize_stl_container_pod_val_as_blob(d, stg, hparent_section, pname);
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}
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template<class t_type, class t_storage>
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static bool serialize_t_val_as_blob(const t_type& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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return epee::serialization::serialize_t_val_as_blob(d, stg, hparent_section, pname);
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}
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};
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template<>
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struct selector<false>
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{
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template<class t_type, class t_storage>
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static bool serialize(t_type& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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return kv_unserialize(d, stg, hparent_section, pname);
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}
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template<class t_type, class t_storage>
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static bool serialize_stl_container_pod_val_as_blob(t_type& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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return epee::serialization::unserialize_stl_container_pod_val_as_blob(d, stg, hparent_section, pname);
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}
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template<class t_type, class t_storage>
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static bool serialize_t_val_as_blob(t_type& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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return epee::serialization::unserialize_t_val_as_blob(d, stg, hparent_section, pname);
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}
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};
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template<class t_type, class t_storage>
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bool kv_serialize(const t_type& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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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);
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}
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//-------------------------------------------------------------------------------------------------------------------
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template<class t_type, class t_storage>
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bool kv_unserialize(t_type& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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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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}
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//-------------------------------------------------------------------------------------------------------------------
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template<class t_type, class t_storage>
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bool kv_serialize(const std::vector<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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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);
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}
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//-------------------------------------------------------------------------------------------------------------------
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template<class t_type, class t_storage>
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bool kv_unserialize(std::vector<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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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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}
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//-------------------------------------------------------------------------------------------------------------------
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template<class t_type, class t_storage>
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bool kv_serialize(const std::list<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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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);
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}
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//-------------------------------------------------------------------------------------------------------------------
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template<class t_type, class t_storage>
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bool kv_unserialize(std::list<t_type>& d, t_storage& stg, typename t_storage::hsection hparent_section, const char* pname)
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{
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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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}
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}
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}
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