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

#ifndef JASON_SPIRIT_VALUE
#define JASON_SPIRIT_VALUE

/* Copyright (c) 2007 John W Wilkinson

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

#pragma once

#include <vector>
#include <string>

namespace json_spirit
{
    enum Value_type{ obj_type, array_type, str_type, bool_type, int_type, real_type, null_type };

    class Value;
    struct Pair;

    typedef std::vector< Pair > Object;

    typedef std::vector< Value > Array;

    class Value
    {
    public:

        Value();  // creates null value
        Value( const char*        value );
        Value( const std::string& value );
        Value( const Object&      value );
        Value( const Array&       value );
        Value( bool               value );
        Value( int                value );
        Value( double             value );

        bool operator==( const Value& lhs ) const;

        Value_type type() const;

        const std::string& get_str()   const;
        const Object&      get_obj()   const;
        const Array&       get_array() const;
        bool               get_bool()  const;
        int                get_int()   const;
        double             get_real()  const;

        Object& get_obj();
        Array&  get_array();

        static const Value null;

    private:

        Value_type type_;

        std::string str_;
        Object obj_;
        Array array_;
        bool bool_;
        int i_;
        double d_;
    };

    struct Pair
    {
        Pair( const std::string& name, const Value& value );

        bool operator==( const Pair& lhs ) const;

        std::string name_;
        Value value_;
    };
}

#endif