Organic Maps sources as of 02.04.2025 (fad26bbf22ac3da75e01e62aa01e5c8e11861005)

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coding/serdes_binary_header.hpp

@@ -0,0 +1,60 @@
+#pragma once
+
+#include "coding/reader.hpp"
+#include "coding/write_to_sink.hpp"
+
+#include <cstdint>
+
+namespace coding
+{
+namespace binary
+{
+struct HeaderSizeOfVisitor
+{
+  void operator()(uint64_t v, char const * /* name */ = nullptr) { m_size += sizeof(v); }
+
+  template <typename R>
+  void operator()(R & r, char const * /* name */ = nullptr)
+  {
+    r.Visit(*this);
+  }
+
+  uint64_t m_size = 0;
+};
+
+template <typename Sink>
+struct HeaderSerVisitor
+{
+  HeaderSerVisitor(Sink & sink) : m_sink(sink) {}
+
+  void operator()(uint64_t v, char const * /* name */ = nullptr) { WriteToSink(m_sink, v); }
+
+  template <typename R>
+  void operator()(R & r, char const * /* name */ = nullptr)
+  {
+    r.Visit(*this);
+  }
+
+  Sink & m_sink;
+};
+
+template <typename Source>
+struct HeaderDesVisitor
+{
+  HeaderDesVisitor(Source & source): m_source(source) {}
+
+  void operator()(uint64_t & v, char const * /* name */ = nullptr)
+  {
+    v = ReadPrimitiveFromSource<uint64_t>(m_source);
+  }
+
+  template <typename R>
+  void operator()(R & r, char const * /* name */ = nullptr)
+  {
+    r.Visit(*this);
+  }
+
+  Source & m_source;
+};
+}  // namespace binary
+}  // namespace coding