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Type punning fixes

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This commit is contained in:
Dan Paulat 2023-04-17 18:36:06 -05:00
parent 78d00fc67b
commit c7aba95233
2 changed files with 46 additions and 33 deletions
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43
wxdata/include/scwx/awips/message.hpp
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@ -1,6 +1,7 @@
#pragma once
#include <array>
#include <cstring>
#include <execution>
#include <istream>
#include <map>
@ -24,18 +25,18 @@ class Message
protected:
explicit Message();
Message(const Message&) = delete;
Message(const Message&) = delete;
Message& operator=(const Message&) = delete;
Message(Message&&) noexcept;
Message& operator=(Message&&) noexcept;
virtual bool ValidateMessage(std::istream& is, size_t bytesRead) const;
virtual bool ValidateMessage(std::istream& is, std::size_t bytesRead) const;
public:
virtual ~Message();
virtual size_t data_size() const = 0;
virtual std::size_t data_size() const = 0;
virtual bool Parse(std::istream& is) = 0;
@ -55,11 +56,16 @@ public:
static float SwapFloat(float f)
{
return ntohf(*reinterpret_cast<uint32_t*>(&f));
std::uint32_t temp;
std::memcpy(&temp, &f, sizeof(std::uint32_t));
temp = ntohl(temp);
std::memcpy(&f, &temp, sizeof(float));
return f;
}
template<size_t _Size>
static void SwapArray(std::array<float, _Size>& arr, size_t size = _Size)
template<std::size_t _Size>
static void SwapArray(std::array<float, _Size>& arr,
std::size_t size = _Size)
{
std::transform(std::execution::par_unseq,
arr.begin(),
@ -68,34 +74,37 @@ public:
[](float f) { return SwapFloat(f); });
}
template<size_t _Size>
static void SwapArray(std::array<int16_t, _Size>& arr, size_t size = _Size)
template<std::size_t _Size>
static void SwapArray(std::array<std::int16_t, _Size>& arr,
std::size_t size = _Size)
{
std::transform(std::execution::par_unseq,
arr.begin(),
arr.begin() + size,
arr.begin(),
[](int16_t u) { return ntohs(u); });
[](std::int16_t u) { return ntohs(u); });
}
template<size_t _Size>
static void SwapArray(std::array<uint16_t, _Size>& arr, size_t size = _Size)
template<std::size_t _Size>
static void SwapArray(std::array<std::uint16_t, _Size>& arr,
std::size_t size = _Size)
{
std::transform(std::execution::par_unseq,
arr.begin(),
arr.begin() + size,
arr.begin(),
[](uint16_t u) { return ntohs(u); });
[](std::uint16_t u) { return ntohs(u); });
}
template<size_t _Size>
static void SwapArray(std::array<uint32_t, _Size>& arr, size_t size = _Size)
template<std::size_t _Size>
static void SwapArray(std::array<std::uint32_t, _Size>& arr,
std::size_t size = _Size)
{
std::transform(std::execution::par_unseq,
arr.begin(),
arr.begin() + size,
arr.begin(),
[](uint32_t u) { return ntohl(u); });
[](std::uint32_t u) { return ntohl(u); });
}
template<typename T>
@ -107,13 +116,13 @@ public:
[](auto& p) { p.second = SwapFloat(p.second); });
}
static void SwapVector(std::vector<uint16_t>& v)
static void SwapVector(std::vector<std::uint16_t>& v)
{
std::transform(std::execution::par_unseq,
v.begin(),
v.end(),
v.begin(),
[](uint16_t u) { return ntohs(u); });
[](std::uint16_t u) { return ntohs(u); });
}
private: