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// Copyright (c) 2014-2020, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. 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.
//
// 3. Neither the name of the copyright holder 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 HOLDER OR CONTRIBUTORS 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.
//
// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
namespace serialization
{
namespace detail
{
template<typename T>
inline constexpr bool use_container_varint() noexcept
{
return std::is_integral<T>::value && std::is_unsigned<T>::value && sizeof(T) > 1;
}
template <typename Archive, class T>
typename std::enable_if<!use_container_varint<T>(), bool>::type
serialize_container_element(Archive& ar, T& e)
{
return ::do_serialize(ar, e);
}
template<typename Archive, typename T>
typename std::enable_if<use_container_varint<T>(), bool>::type
serialize_container_element(Archive& ar, T& e)
{
static constexpr const bool previously_varint = std::is_same<uint64_t, T>() || std::is_same<uint32_t, T>();
if (!previously_varint && ar.varint_bug_backward_compatibility_enabled() && !typename Archive::is_saving())
return ::do_serialize(ar, e);
ar.serialize_varint(e);
return true;
}
template <typename C>
void do_reserve(C &c, size_t N) {}
}
}
template <template <bool> class Archive, typename C>
bool do_serialize_container(Archive<false> &ar, C &v)
{
size_t cnt;
ar.begin_array(cnt);
if (!ar.good())
return false;
v.clear();
// very basic sanity check
if (ar.remaining_bytes() < cnt) {
ar.set_fail();
return false;
}
::serialization::detail::do_reserve(v, cnt);
for (size_t i = 0; i < cnt; i++) {
if (i > 0)
ar.delimit_array();
typename C::value_type e;
if (!::serialization::detail::serialize_container_element(ar, e))
return false;
::serialization::detail::do_add(v, std::move(e));
if (!ar.good())
return false;
}
ar.end_array();
return true;
}
template <template <bool> class Archive, typename C>
bool do_serialize_container(Archive<true> &ar, C &v)
{
size_t cnt = v.size();
ar.begin_array(cnt);
for (auto i = v.begin(); i != v.end(); ++i)
{
if (!ar.good())
return false;
if (i != v.begin())
ar.delimit_array();
if(!::serialization::detail::serialize_container_element(ar, (typename C::value_type&)*i))
return false;
if (!ar.good())
return false;
}
ar.end_array();
return true;
}
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