1 files changed, 86 insertions, 0 deletions
diff --git a/third_party/msgpack/include/msgpack/v1/adaptor/cpp17/string_view.hpp b/third_party/msgpack/include/msgpack/v1/adaptor/cpp17/string_view.hpp
new file mode 100644
index 0000000000..8ec56c26cf
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+++ b/third_party/msgpack/include/msgpack/v1/adaptor/cpp17/string_view.hpp
@@ -0,0 +1,86 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2017 KONDO Takatoshi
+//
+//    Distributed under the Boost Software License, Version 1.0.
+//    (See accompanying file LICENSE_1_0.txt or copy at
+//    http://www.boost.org/LICENSE_1_0.txt)
+//
+#ifndef MSGPACK_V1_TYPE_STRING_VIEW_HPP
+#define MSGPACK_V1_TYPE_STRING_VIEW_HPP
+
+#if __cplusplus >= 201703
+
+#include "msgpack/versioning.hpp"
+#include "msgpack/adaptor/adaptor_base.hpp"
+#include "msgpack/adaptor/check_container_size.hpp"
+
+#include <string_view>
+
+namespace msgpack {
+
+/// @cond
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+/// @endcond
+
+namespace adaptor {
+
+template <>
+struct convert<std::string_view> {
+    msgpack::object const& operator()(msgpack::object const& o, std::string_view& v) const {
+        switch (o.type) {
+        case msgpack::type::BIN:
+            v = std::string_view(o.via.bin.ptr, o.via.bin.size);
+            break;
+        case msgpack::type::STR:
+            v = std::string_view(o.via.str.ptr, o.via.str.size);
+            break;
+        default:
+            throw msgpack::type_error();
+            break;
+        }
+        return o;
+    }
+};
+
+template <>
+struct pack<std::string_view> {
+    template <typename Stream>
+    msgpack::packer<Stream>& operator()(msgpack::packer<Stream>& o, const std::string_view& v) const {
+        uint32_t size = checked_get_container_size(v.size());
+        o.pack_str(size);
+        o.pack_str_body(v.data(), size);
+        return o;
+    }
+};
+
+template <>
+struct object<std::string_view> {
+    void operator()(msgpack::object& o, const std::string_view& v) const {
+        uint32_t size = checked_get_container_size(v.size());
+        o.type = msgpack::type::STR;
+        o.via.str.ptr = v.data();
+        o.via.str.size = size;
+    }
+};
+
+template <>
+struct object_with_zone<std::string_view> {
+    void operator()(msgpack::object::with_zone& o, const std::string_view& v) const {
+        static_cast<msgpack::object&>(o) << v;
+    }
+};
+
+
+} // namespace adaptor
+
+/// @cond
+} // MSGPACK_API_VERSION_NAMESPACE(v1)
+/// @endcond
+
+} // namespace msgpack
+
+#endif // __cplusplus >= 201703
+
+#endif // MSGPACK_V1_TYPE_STRING_VIEW_HPP