LCOV - code coverage report

Current view: | top level - cereal/types - optional.hpp (source / functions) |  |  | Hit | Total | Coverage
Test: | coverage.info |  | Lines: | 13 | 13 | 100.0 %
Date: | 2022-01-16 21:05:07 |  | Functions: | 40 | 40 | 100.0 %

              Line data    Source code

           1             : /*! \file optional.hpp
           2             :     \brief Support for std::optional
           3             :     \ingroup STLSupport */
           4             : /*
           5             :   Copyright (c) 2017, Juan Pedro Bolivar Puente
           6             :   All rights reserved.
           7             :
           8             :   Redistribution and use in source and binary forms, with or without
           9             :   modification, are permitted provided that the following conditions are met:
          10             :       * Redistributions of source code must retain the above copyright
          11             :         notice, this list of conditions and the following disclaimer.
          12             :       * Redistributions in binary form must reproduce the above copyright
          13             :         notice, this list of conditions and the following disclaimer in the
          14             :         documentation and/or other materials provided with the distribution.
          15             :       * Neither the name of the copyright holder nor the
          16             :         names of its contributors may be used to endorse or promote products
          17             :         derived from this software without specific prior written permission.
          18             :
          19             :   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
          20             :   ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
          21             :   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
          22             :   DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
          23             :   DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
          24             :   (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
          25             :   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
          26             :   ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
          27             :   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
          28             :   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
          29             : */
          30             : #ifndef CEREAL_TYPES_STD_OPTIONAL_
          31             : #define CEREAL_TYPES_STD_OPTIONAL_
          32             :
          33             : #include "cereal/cereal.hpp"
          34             : #include <optional>
          35             :
          36             : namespace cereal {
          37             :   //! Saving for std::optional
          38             :   template <class Archive, typename T> inline
          39          32 :   void CEREAL_SAVE_FUNCTION_NAME(Archive& ar, const std::optional<T>& optional)
          40             :   {
          41          32 :     if(!optional) {
          42          12 :       ar(CEREAL_NVP_("nullopt", true));
          43             :     } else {
          44          20 :       ar(CEREAL_NVP_("nullopt", false),
          45          35 :          CEREAL_NVP_("data", *optional));
          46             :     }
          47          32 :   }
          48             :
          49             :   //! Loading for std::optional
          50             :   template <class Archive, typename T> inline
          51          32 :   void CEREAL_LOAD_FUNCTION_NAME(Archive& ar, std::optional<T>& optional)
          52             :   {
          53             :     bool nullopt;
          54          32 :     ar(CEREAL_NVP_("nullopt", nullopt));
          55             :
          56          32 :     if (nullopt) {
          57          12 :       optional = std::nullopt;
          58             :     } else {
          59          20 :       optional.emplace();
          60          20 :       ar(CEREAL_NVP_("data", *optional));
          61             :     }
          62          32 :   }
          63             : } // namespace cereal
          64             :
          65             : #endif // CEREAL_TYPES_STD_OPTIONAL_

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