pdns/json.hh

   1 /*
   2     PowerDNS Versatile Database Driven Nameserver
   3     Copyright (C) 2002-2012  PowerDNS.COM BV
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License version 2
   7     as published by the Free Software Foundation
   8
   9     Additionally, the license of this program contains a special
  10     exception which allows to distribute the program in binary form when
  11     it is linked against OpenSSL.
  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 St, Fifth Floor, Boston, MA  02110-1301  USA
  21 */
  22 #pragma once // it is 2012, deal with it
  23
  24 #include <string>
  25 #include <map>
  26 #include <stdexcept>
  27 #include "rapidjson/document.h"
  28
  29 std::string returnJsonObject(const std::map<std::string, std::string>& items);
  30 std::string returnJsonError(const std::string& error);
  31 std::string returnJsonMessage(const std::string& message);
  32 std::string makeStringFromDocument(const rapidjson::Document& doc);
  33 int intFromJson(const rapidjson::Value& container, const char* key);
  34 int intFromJson(const rapidjson::Value& container, const char* key, const int default_value);
  35 std::string stringFromJson(const rapidjson::Value& container, const char* key);
  36 std::string stringFromJson(const rapidjson::Value& container, const char* key, const std::string& default_value);
  37 bool boolFromJson(const rapidjson::Value& container, const char* key);
  38 bool boolFromJson(const rapidjson::Value& container, const char* key, const bool default_value);
  39
  40 class JsonException : public std::runtime_error
  41 {
  42 public:
  43   JsonException(const std::string& what) : std::runtime_error(what) {
  44   }
  45 };