json/json_spirit_utils.h

   1 #ifndef JSON_SPIRIT_UTILS
   2 #define JSON_SPIRIT_UTILS
   3
   4 //          Copyright John W. Wilkinson 2007 - 2009.
   5 // Distributed under the MIT License, see accompanying file LICENSE.txt
   6
   7 // json spirit version 4.03
   8
   9 #if defined(_MSC_VER) && (_MSC_VER >= 1020)
  10 # pragma once
  11 #endif
  12
  13 #include "json_spirit_value.h"
  14 #include <map>
  15
  16 namespace json_spirit
  17 {
  18     template< class Obj_t, class Map_t >
  19     void obj_to_map( const Obj_t& obj, Map_t& mp_obj )
  20     {
  21         mp_obj.clear();
  22
  23         for( typename Obj_t::const_iterator i = obj.begin(); i != obj.end(); ++i )
  24         {
  25             mp_obj[ i->name_ ] = i->value_;
  26         }
  27     }
  28
  29     template< class Obj_t, class Map_t >
  30     void map_to_obj( const Map_t& mp_obj, Obj_t& obj )
  31     {
  32         obj.clear();
  33
  34         for( typename Map_t::const_iterator i = mp_obj.begin(); i != mp_obj.end(); ++i )
  35         {
  36             obj.push_back( typename Obj_t::value_type( i->first, i->second ) );
  37         }
  38     }
  39
  40     typedef std::map< std::string, Value > Mapped_obj;
  41
  42 #ifndef BOOST_NO_STD_WSTRING
  43     typedef std::map< std::wstring, wValue > wMapped_obj;
  44 #endif
  45
  46     template< class Object_type, class String_type >
  47     const typename Object_type::value_type::Value_type& find_value( const Object_type& obj, const String_type& name )
  48     {
  49         for( typename Object_type::const_iterator i = obj.begin(); i != obj.end(); ++i )
  50         {
  51             if( i->name_ == name )
  52             {
  53                 return i->value_;
  54             }
  55         }
  56
  57         return Object_type::value_type::Value_type::null;
  58     }
  59 }
  60
  61 #endif