/*
Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.

The MySQL Connector/C++ is licensed under the terms of the GPLv2
<http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most
MySQL Connectors. There are special exceptions to the terms and
conditions of the GPLv2 as it is applied to this software, see the
FLOSS License Exception
<http://www.mysql.com/about/legal/licensing/foss-exception.html>.

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation; version 2 of the License.

This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
*/



#ifndef _MYSQL_LIB_LOADER_H_
#define _MYSQL_LIB_LOADER_H_

#include "binding_config.h"

#ifdef _WIN32
#include <windows.h>
#elif defined(HAVE_DLFCN_H)
# include <dlfcn.h>
#else
# error This should never happen - if this header is included, one of macros above supposed to be defined.
#endif

#include <boost/noncopyable.hpp>
#include <map>

namespace sql
{
namespace mysql
{
namespace util
{

#ifdef _WIN32
typedef HMODULE ModuleHandle;
typedef FARPROC SymbolHandle;
#else
typedef void *  ModuleHandle;
typedef void *  SymbolHandle;
#endif

/* possibly C_LibraryLoader would be better name */

class LibraryLoader : public boost::noncopyable
{
private:
	typedef std::map< std::string, SymbolHandle > ProcCache;

	ProcCache		functions;
	ModuleHandle	loadedLibHandle;

	LibraryLoader() {}

protected:

	LibraryLoader(const std::string & path2libFile);
	LibraryLoader(const std::string & dir2look, const std::string & libFileName);

	~LibraryLoader();

	SymbolHandle GetProcAddr(const std::string & name);
};

} /* namespace util */
} /* namespace mysql */
} /* namespace sql */
#endif

/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * End:
 * vim600: noet sw=4 ts=4 fdm=marker
 * vim<600: noet sw=4 ts=4
 */