From 4dce8e6aeb770fee1a7190526b04d03f3da69cb0 Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Thu, 27 Oct 2022 18:28:42 +0200
Subject: wip binary serializer

---
 serialize/binary-serializer.inl | 54 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 serialize/binary-serializer.inl

(limited to 'serialize/binary-serializer.inl')

diff --git a/serialize/binary-serializer.inl b/serialize/binary-serializer.inl
new file mode 100644
index 00000000..9e7e58fa
--- /dev/null
+++ b/serialize/binary-serializer.inl
@@ -0,0 +1,54 @@
+#pragma once
+
+#include "binary-serializer.hpp"
+
+namespace floormat::Serialize {
+
+template<std::forward_iterator It>
+template<std::floating_point T>
+constexpr value_u binary_reader<It>::read_u() noexcept
+{
+    value_u buf;
+    static_assert(sizeof(T) <= sizeof(buf));
+    fm_assert(std::distance(it, end) >= sizeof(T));
+    for (int i = 0; i < sizeof(T); i++)
+        buf.bytes[i] = *it++;
+    return buf;
+}
+
+template<std::forward_iterator It>
+template<typename T>
+T binary_reader<It>::read() noexcept
+{
+    value_u buf = read_u<T>();
+    return *reinterpret_cast<T>(buf.bytes);
+}
+
+template<std::forward_iterator It>
+constexpr binary_reader<It>::~binary_reader() noexcept
+{
+    fm_assert(it == end);
+}
+
+template<std::forward_iterator It>
+template<integer T>
+constexpr value_u binary_reader<It>::read_u() noexcept
+{
+    value_u buf;
+    if (std::is_constant_evaluated())
+        for (std::size_t i = 0; i < std::size(buf.bytes); i++)
+            buf.bytes[i] = 0;
+    static_assert(sizeof(T) <= sizeof(buf));
+    fm_assert(std::distance(it, end) >= (std::ptrdiff_t) sizeof(T));
+    if constexpr(std::endian::native == std::endian::big)
+        for (int i = sizeof(T) - 1; i >= 0; i--)
+            buf.bytes[i] = *it++;
+    else
+        for (std::size_t i = 0; i < sizeof(T); i++)
+            buf.bytes[i] = *it++;
+    return buf;
+}
+
+} // namespace floormat::Serialize
+
+
-- 
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