parse.hpp

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// Copyright 2021 Lawrence Livermore National Security, LLC and other Metall
// Project Developers. See the top-level COPYRIGHT file for details.
//
// SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
#ifndef METALL_JSON_PARSE_HPP
#define METALL_JSON_PARSE_HPP
 
#include <iostream>
#include <string_view>
#include <memory>
 
#include <metall/json/json_fwd.hpp>
 
namespace metall::json {
 
namespace {
namespace bj = boost::json;
}
 
#ifdef DOXYGEN_SKIP
template <typename allocator_type = std::allocator<std::byte>>
inline value<allocator_type> parse(
    std::string_view input_json_string,
    const allocator_type &allocator = allocator_type())
#else
template <typename allocator_type>
inline value<allocator_type> parse(std::string_view input_json_string,
                                   const allocator_type &allocator)
#endif
{
  bj::error_code ec;
  auto bj_value = bj::parse(input_json_string.data(), ec);
  if (ec) {
    std::cerr << "Failed to parse: " << ec.message() << std::endl;
    return value<allocator_type>{allocator};
  }
 
  return metall::json::value_from(std::move(bj_value), allocator);
}
 
}  // namespace metall::json
 
#endif  // METALL_JSON_PARSE_HPP