command.hpp

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/*##############################################################################   
 VSQLite++ - virtuosic bytes SQLite3 C++ wrapper

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#ifndef GUARD_SQLITE_COMMAND_HPP_INCLUDED
#define GUARD_SQLITE_COMMAND_HPP_INCLUDED

#include <boost/cstdint.hpp>
#include <boost/noncopyable.hpp>
#include <sqlite/connection.hpp>
#include <vector>

struct sqlite3_stmt;

namespace sqlite{    
    struct null_type{};
    
    extern null_type nil;


    struct command : boost::noncopyable{
        command(connection & con, std::string const & sql);

        virtual ~command();

        void clear();

        bool emit();        

        bool operator()();

        void bind(int idx);

        void bind(int idx, int v);

        void bind(int idx, boost::int64_t v);

        void bind(int idx, double v);

        void bind(int idx, std::string const & v);

        void bind(int idx, void const * buf, size_t buf_size);      

        void bind(int idx, std::vector<unsigned char> const & v);      

        command & operator % (null_type const & p);

        command & operator % (int p);

        command & operator % (boost::int64_t p);

        command & operator % (double p);

        command & operator % (std::string const & p);

        command & operator % (std::vector<unsigned char> const & p);

    protected:
        void access_check();
        bool step();
        struct sqlite3 * get_handle();
    private:
        void prepare();
        void finalize();
    private:
        connection &   m_con;
        std::string    m_sql;
    protected:
        sqlite3_stmt * stmt;
    private:
        int            last_arg_idx;
    };
}

#endif //GUARD_SQLITE_COMMAND_HPP_INCLUDED