pdns/json.hh

   1 /*
   2  * This file is part of PowerDNS or dnsdist.
   3  * Copyright -- PowerDNS.COM B.V. and its contributors
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * In addition, for the avoidance of any doubt, permission is granted to
  10  * link this program with OpenSSL and to (re)distribute the binaries
  11  * produced as the result of such linking.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  21  */
  22 #pragma once // it is 2012, deal with it
  23
  24 #include <string>
  25 #include <stdexcept>
  26 #include "json11.hpp"
  27
  28 int intFromJson(const json11::Json& container, const std::string& key);
  29 int intFromJson(const json11::Json& container, const std::string& key, const int default_value);
  30 unsigned int uintFromJson(const json11::Json& container, const std::string& key);
  31 unsigned int uintFromJson(const json11::Json& container, const std::string& key, const unsigned int default_value);
  32 double doubleFromJson(const json11::Json& container, const std::string& key);
  33 double doubleFromJson(const json11::Json& container, const std::string& key, const double default_value);
  34 std::string stringFromJson(const json11::Json& container, const std::string &key);
  35 bool boolFromJson(const json11::Json& container, const std::string& key);
  36 bool boolFromJson(const json11::Json& container, const std::string& key, const bool default_value);
  37
  38 class JsonException : public std::runtime_error
  39 {
  40 public:
  41   JsonException(const std::string& what_arg) : std::runtime_error(what_arg) {
  42   }
  43 };