db_return_value.h

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/*
**  ClanLib SDK
**  Copyright (c) 1997-2005 The ClanLib Team
**
**  This software is provided 'as-is', without any express or implied
**  warranty.  In no event will the authors be held liable for any damages
**  arising from the use of this software.
**
**  Permission is granted to anyone to use this software for any purpose,
**  including commercial applications, and to alter it and redistribute it
**  freely, subject to the following restrictions:
**
**  1. The origin of this software must not be misrepresented; you must not
**     claim that you wrote the original software. If you use this software
**     in a product, an acknowledgment in the product documentation would be
**     appreciated but is not required.
**  2. Altered source versions must be plainly marked as such, and must not be
**     misrepresented as being the original software.
**  3. This notice may not be removed or altered from any source distribution.
**
**  Note: Some of the libraries ClanLib link to may have additional
**  requirements or restrictions.
**
**  File Author(s):
**
**    Magnus Norddahl
*/

#ifndef header_db_return_value
#define header_db_return_value

#include "bytearray.h"

class CL_DBCommand;

class CL_DBReturnValue
{
public:
        CL_ByteArray get_blob() const;

        void get_blob(CL_ByteArray &array) const;

        const void *get_blob_raw() const;

        int get_blob_size() const;

        double get_double() const;

        int get_int() const;
        
        const char *get_text() const;

        operator CL_ByteArray() const;
        
        operator double() const;
        
        operator int() const;

        operator CL_StringA() const;

        operator CL_StringW() const;
        
private:
        CL_DBReturnValue(const CL_DBCommand *query, int column);
        
        CL_DBReturnValue(const CL_DBReturnValue &copy);
        
        CL_DBReturnValue &operator =(const CL_DBReturnValue &copy);
        
        const CL_DBCommand *query;
        
        int column;

        friend class CL_DBCommand;
};

#endif

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