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git-subtree-dir: src/ipc/libmultiprocess git-subtree-split: 35944ffd23fa26652b82210351d50e896ce16c8f
87 lines
3.2 KiB
C++
87 lines
3.2 KiB
C++
// Copyright (c) 2025 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef MP_PROXY_TYPE_NUMBER_H
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#define MP_PROXY_TYPE_NUMBER_H
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#include <mp/util.h>
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namespace mp {
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template <typename LocalType, typename Value>
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LocalType BuildPrimitive(InvokeContext& invoke_context,
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const Value& value,
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TypeList<LocalType>,
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typename std::enable_if<std::is_enum<Value>::value>::type* enable = nullptr)
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{
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using E = std::make_unsigned_t<std::underlying_type_t<Value>>;
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using T = std::make_unsigned_t<LocalType>;
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static_assert(std::numeric_limits<T>::max() >= std::numeric_limits<E>::max(), "mismatched integral/enum types");
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return static_cast<LocalType>(value);
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}
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template <typename LocalType, typename Value>
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LocalType BuildPrimitive(InvokeContext& invoke_context,
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const Value& value,
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TypeList<LocalType>,
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typename std::enable_if<std::is_integral<Value>::value, int>::type* enable = nullptr)
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{
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static_assert(
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std::numeric_limits<LocalType>::lowest() <= std::numeric_limits<Value>::lowest(), "mismatched integral types");
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static_assert(
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std::numeric_limits<LocalType>::max() >= std::numeric_limits<Value>::max(), "mismatched integral types");
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return value;
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}
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template <typename LocalType, typename Value>
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LocalType BuildPrimitive(InvokeContext& invoke_context,
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const Value& value,
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TypeList<LocalType>,
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typename std::enable_if<std::is_floating_point<Value>::value>::type* enable = nullptr)
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{
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static_assert(std::is_same<Value, LocalType>::value,
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"mismatched floating point types. please fix message.capnp type declaration to match wrapped interface");
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return value;
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}
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template <typename LocalType, typename Input, typename ReadDest>
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decltype(auto) CustomReadField(TypeList<LocalType>,
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Priority<1>,
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InvokeContext& invoke_context,
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Input&& input,
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ReadDest&& read_dest,
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typename std::enable_if<std::is_enum<LocalType>::value>::type* enable = 0)
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{
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return read_dest.construct(static_cast<LocalType>(input.get()));
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}
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template <typename LocalType, typename Input, typename ReadDest>
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decltype(auto) CustomReadField(TypeList<LocalType>,
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Priority<1>,
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InvokeContext& invoke_context,
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Input&& input,
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ReadDest&& read_dest,
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typename std::enable_if<std::is_integral<LocalType>::value>::type* enable = nullptr)
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{
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auto value = input.get();
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if (value < std::numeric_limits<LocalType>::min() || value > std::numeric_limits<LocalType>::max()) {
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throw std::range_error("out of bound int received");
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}
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return read_dest.construct(static_cast<LocalType>(value));
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}
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template <typename LocalType, typename Input, typename ReadDest>
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decltype(auto) CustomReadField(TypeList<LocalType>,
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Priority<1>,
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InvokeContext& invoke_context,
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Input&& input,
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ReadDest&& read_dest,
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typename std::enable_if<std::is_floating_point<LocalType>::value>::type* enable = 0)
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{
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auto value = input.get();
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static_assert(std::is_same<LocalType, decltype(value)>::value, "floating point type mismatch");
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return read_dest.construct(value);
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}
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} // namespace mp
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#endif // MP_PROXY_TYPE_NUMBER_H
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