github.com/igggame/nebulas-go@v2.1.0+incompatible/nbre/runtime/util.cpp (about)

     1  // Copyright (C) 2018 go-nebulas authors
     2  //
     3  // This file is part of the go-nebulas library.
     4  //
     5  // the go-nebulas library is free software: you can redistribute it and/or
     6  // modify
     7  // it under the terms of the GNU General Public License as published by
     8  // the Free Software Foundation, either version 3 of the License, or
     9  // (at your option) any later version.
    10  //
    11  // the go-nebulas library is distributed in the hope that it will be useful,
    12  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    13  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    14  // GNU General Public License for more details.
    15  //
    16  // You should have received a copy of the GNU General Public License
    17  // along with the go-nebulas library.  If not, see
    18  // <http://www.gnu.org/licenses/>.
    19  //
    20  
    21  #include "runtime/util.h"
    22  #include "util/json_parser.h"
    23  
    24  namespace neb {
    25  namespace rt {
    26  
    27  std::string meta_info_to_json(
    28      const std::vector<std::pair<std::string, std::string>> &meta_info) {
    29    boost::property_tree::ptree pt;
    30    for (auto &ele : meta_info) {
    31      pt.put(ele.first, ele.second);
    32    }
    33    std::string ret;
    34    neb::util::json_parser::write_json(ret, pt);
    35    return ret;
    36  }
    37  
    38  std::vector<std::pair<std::string, std::string>>
    39  json_to_meta_info(const std::string &json) {
    40    boost::property_tree::ptree pt;
    41    neb::util::json_parser::read_json(json, pt);
    42  
    43    std::vector<std::pair<std::string, std::string>> meta_info;
    44    std::string start_height = pt.get<std::string>("start_height");
    45    std::string end_height = pt.get<std::string>("end_height");
    46    std::string version = pt.get<std::string>("version");
    47  
    48    meta_info.push_back(std::make_pair("start_height", start_height));
    49    meta_info.push_back(std::make_pair("end_height", end_height));
    50    meta_info.push_back(std::make_pair("version", version));
    51    return meta_info;
    52  }
    53  
    54  } // namespace rt
    55  } // namespace neb