name_value_map.h

#ifndef _DHT_NAME_VALUE_MAP_H_
#define _DHT_NAME_VALUE_MAP_H_

#include <map>
#include <string>
#include "exception.h"

namespace dht {
    class name_value_map {
    public:
        typedef std::map<std::string, std::string>            container_type;
        typedef container_type::iterator       iterator;
        typedef container_type::const_iterator const_iterator;
                
    private:
        container_type _str_map;
    public:
        name_value_map();
        
        virtual ~name_value_map();

        const std::string &get(const std::string &key) const;

        const std::string &get(const std::string &key, const std::string &def) const;

        void        set(const std::string &key, const std::string &value, 
                        bool error_if_set = false);

        inline bool exists(const std::string &key) const;
        
        inline iterator       begin();
        inline const_iterator begin() const;
        inline iterator       end();
        inline const_iterator end() const;
    };  

    inline bool
    name_value_map::exists(const std::string &key) const {
        return _str_map.find(key) != _str_map.end() ? true : false;
    }
    
    inline name_value_map::iterator 
    name_value_map::begin() { return _str_map.begin(); }
    
    inline name_value_map::const_iterator 
    name_value_map::begin() const { return _str_map.begin(); }

    inline name_value_map::iterator 
    name_value_map::end() { return _str_map.end(); }

    inline name_value_map::const_iterator 
    name_value_map::end() const { return _str_map.end(); }  
} // namespace dht

#endif //_DHT_NAME_VALUE_MAP_H_

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