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JSON Spirit: A C++ JSON Parser/Generator Implemented with Boost Spirit

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10 May 2014MIT12 min read 4.1M   24.3K   287  
A C++ JSON parser/generator written using Boost::spirit
#ifndef JASON_SPIRIT_UTILS
#define JASON_SPIRIT_UTILS

/* Copyright (c) 2007-2009 John W Wilkinson

   This source code can be used for any purpose as long as
   this comment is retained. */

// json spirit version 3.00

#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif

#include "json_spirit_value.h"
#include <map>

namespace json_spirit
{ 
    //template< class Object_t, class String_t >
    //Value_impl< String_t >& find_value( const Object_t& obj, const String_t &name );

    template< class Obj_t, class Map_t >
    void obj_to_map( const Obj_t& obj, Map_t& mp_obj )
    {
        mp_obj.clear();

        for( typename Obj_t::const_iterator i = obj.begin(); i != obj.end(); ++i )
        {
            mp_obj[ i->name_ ] = i->value_;
        }
    }

    template< class Obj_t, class Map_t >
    void map_to_obj( const Map_t& mp_obj, Obj_t& obj )
    {
        obj.clear();

        for( typename Map_t::const_iterator i = mp_obj.begin(); i != mp_obj.end(); ++i )
        {
            obj.push_back( typename Obj_t::value_type( i->first, i->second ) );
        }
    }

    typedef std::map< std::string, Value > Mapped_obj;

#ifndef BOOST_NO_STD_WSTRING
    typedef std::map< std::wstring, wValue > wMapped_obj;
#endif

    template< class Object_t, class String_t >
    const Value_impl< String_t >& find_value( const Object_t& obj, const String_t& name )
    {
        for( typename Object_t::const_iterator i = obj.begin(); i != obj.end(); ++i )
        {
            if( i->name_ == name )
            {
                return i->value_;
            }
        }

        return Value_impl< String_t >::null;
    }
}

#endif

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License

This article, along with any associated source code and files, is licensed under The MIT License


Written By
Software Developer (Senior) Spirent Communications Plc
United Kingdom United Kingdom
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