forked from townforge/townforge
131 lines
5.9 KiB
C++
131 lines
5.9 KiB
C++
// Copyright (c) 2006-2013, Andrey N. Sabelnikov, www.sabelnikov.net
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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
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// modification, are permitted provided that the following conditions are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of the Andrey N. Sabelnikov nor the
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// names of its contributors may be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER BE LIABLE FOR ANY
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// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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#pragma once
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#include <type_traits>
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#include <boost/utility/value_init.hpp>
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#include <boost/foreach.hpp>
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#include "misc_log_ex.h"
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#include "enableable.h"
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#include "keyvalue_serialization_overloads.h"
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#undef MONERO_DEFAULT_LOG_CATEGORY
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#define MONERO_DEFAULT_LOG_CATEGORY "serialization"
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namespace epee
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{
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/************************************************************************/
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/* Serialize map declarations */
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/************************************************************************/
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#define BEGIN_KV_SERIALIZE_MAP() \
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public: \
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template<class t_storage> \
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bool store( t_storage& st, typename t_storage::hsection hparent_section = nullptr) const\
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{\
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using type = typename std::remove_const<typename std::remove_reference<decltype(*this)>::type>::type; \
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auto &self = const_cast<type&>(*this); \
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return self.template serialize_map<true>(st, hparent_section); \
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}\
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template<class t_storage> \
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bool _load( t_storage& stg, typename t_storage::hsection hparent_section = nullptr)\
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{\
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return serialize_map<false>(stg, hparent_section);\
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}\
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template<class t_storage> \
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bool load( t_storage& stg, typename t_storage::hsection hparent_section = nullptr)\
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{\
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try{\
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return serialize_map<false>(stg, hparent_section);\
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}\
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catch(const std::exception& err) \
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{ \
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(void)(err); \
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LOG_ERROR("Exception on unserializing: " << err.what());\
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return false; \
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}\
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}\
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/*template<typename T> T& this_type_resolver() { return *this; }*/ \
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/*using this_type = std::result_of<decltype(this_type_resolver)>::type;*/ \
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template<bool is_store, class t_storage> \
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bool serialize_map(t_storage& stg, typename t_storage::hsection hparent_section) \
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{ \
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decltype(*this) &this_ref = *this; \
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(void) this_ref; // Suppress unused var warnings. Sometimes this var is used, sometimes not.
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#define KV_SERIALIZE_N(varialble, val_name) \
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epee::serialization::selector<is_store>::serialize(this_ref.varialble, stg, hparent_section, val_name);
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#define KV_SERIALIZE_PARENT(type) \
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do { \
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if (!((type*)this)->serialize_map<is_store, t_storage>(stg, hparent_section)) \
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return false; \
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} while(0);
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template<typename T> inline void serialize_default(const T &t, T v) { }
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template<typename T> inline void serialize_default(T &t, T v) { t = v; }
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#define KV_SERIALIZE_OPT_N(variable, val_name, default_value) \
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do { \
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if (is_store && this_ref.variable == default_value) \
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break; \
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if (!epee::serialization::selector<is_store>::serialize(this_ref.variable, stg, hparent_section, val_name)) \
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epee::serialize_default(this_ref.variable, default_value); \
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} while (0);
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#define KV_SERIALIZE_VAL_POD_AS_BLOB_FORCE_N(varialble, val_name) \
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epee::serialization::selector<is_store>::serialize_t_val_as_blob(this_ref.varialble, stg, hparent_section, val_name);
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#define KV_SERIALIZE_VAL_POD_AS_BLOB_N(varialble, val_name) \
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static_assert(std::is_pod<decltype(this_ref.varialble)>::value, "t_type must be a POD type."); \
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KV_SERIALIZE_VAL_POD_AS_BLOB_FORCE_N(varialble, val_name)
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#define KV_SERIALIZE_VAL_POD_AS_BLOB_OPT_N(varialble, val_name, default_value) \
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do { \
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static_assert(std::is_pod<decltype(this_ref.varialble)>::value, "t_type must be a POD type."); \
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bool ret = KV_SERIALIZE_VAL_POD_AS_BLOB_FORCE_N(varialble, val_name); \
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if (!ret) \
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epee::serialize_default(this_ref.varialble, default_value); \
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} while(0);
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#define KV_SERIALIZE_CONTAINER_POD_AS_BLOB_N(varialble, val_name) \
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epee::serialization::selector<is_store>::serialize_stl_container_pod_val_as_blob(this_ref.varialble, stg, hparent_section, val_name);
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#define END_KV_SERIALIZE_MAP() return true;}
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#define KV_SERIALIZE(varialble) KV_SERIALIZE_N(varialble, #varialble)
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#define KV_SERIALIZE_VAL_POD_AS_BLOB(varialble) KV_SERIALIZE_VAL_POD_AS_BLOB_N(varialble, #varialble)
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#define KV_SERIALIZE_VAL_POD_AS_BLOB_OPT(varialble, def) KV_SERIALIZE_VAL_POD_AS_BLOB_OPT_N(varialble, #varialble, def)
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#define KV_SERIALIZE_VAL_POD_AS_BLOB_FORCE(varialble) KV_SERIALIZE_VAL_POD_AS_BLOB_FORCE_N(varialble, #varialble) //skip is_pod compile time check
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#define KV_SERIALIZE_CONTAINER_POD_AS_BLOB(varialble) KV_SERIALIZE_CONTAINER_POD_AS_BLOB_N(varialble, #varialble)
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#define KV_SERIALIZE_OPT(variable,default_value) KV_SERIALIZE_OPT_N(variable, #variable, default_value)
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}
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