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115 lines
3.8 KiB
115 lines
3.8 KiB
// Copyright (c) 2014-2022, 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) 2012-2013 The Cryptonote developers
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namespace serialization
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{
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namespace detail
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{
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template<typename T>
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inline constexpr bool use_container_varint() noexcept
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{
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return std::is_integral<T>::value && std::is_unsigned<T>::value && sizeof(T) > 1;
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}
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template <typename Archive, class T>
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typename std::enable_if<!use_container_varint<T>(), bool>::type
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serialize_container_element(Archive& ar, T& e)
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{
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return do_serialize(ar, e);
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}
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template<typename Archive, typename T>
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typename std::enable_if<use_container_varint<T>(), bool>::type
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serialize_container_element(Archive& ar, T& e)
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{
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static constexpr const bool previously_varint = std::is_same<uint64_t, T>() || std::is_same<uint32_t, T>();
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if (!previously_varint && ar.varint_bug_backward_compatibility_enabled() && !typename Archive::is_saving())
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return do_serialize(ar, e);
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ar.serialize_varint(e);
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return true;
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}
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template <typename C>
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void do_reserve(C &c, size_t N) {}
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}
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}
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template <template <bool> class Archive, typename C>
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bool do_serialize_container(Archive<false> &ar, C &v)
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{
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size_t cnt;
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ar.begin_array(cnt);
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if (!ar.good())
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return false;
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v.clear();
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// very basic sanity check
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if (ar.remaining_bytes() < cnt) {
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ar.set_fail();
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return false;
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}
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::serialization::detail::do_reserve(v, cnt);
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for (size_t i = 0; i < cnt; i++) {
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if (i > 0)
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ar.delimit_array();
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typename C::value_type e;
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if (!::serialization::detail::serialize_container_element(ar, e))
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return false;
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::serialization::detail::do_add(v, std::move(e));
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if (!ar.good())
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return false;
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}
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ar.end_array();
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return true;
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}
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template <template <bool> class Archive, typename C>
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bool do_serialize_container(Archive<true> &ar, C &v)
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{
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size_t cnt = v.size();
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ar.begin_array(cnt);
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for (auto i = v.begin(); i != v.end(); ++i)
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{
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if (!ar.good())
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return false;
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if (i != v.begin())
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ar.delimit_array();
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if(!::serialization::detail::serialize_container_element(ar, (typename C::value_type&)*i))
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return false;
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if (!ar.good())
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return false;
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}
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ar.end_array();
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return true;
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}
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