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// Copyright (C) 2014 Davis E. King (davis@dlib.net)
// License: Boost Software License See LICENSE.txt for the full license.
#ifndef DLIB_MISC_API_ShARED_Hh_
#define DLIB_MISC_API_ShARED_Hh_
#include <string>
#include "../noncopyable.h"
namespace dlib
{
// ----------------------------------------------------------------------------------------
class locally_change_current_dir : noncopyable
{
public:
explicit locally_change_current_dir (
const std::string& new_dir
)
{
reverted = false;
_old_dir = get_current_dir();
set_current_dir(new_dir);
}
~locally_change_current_dir()
{
revert();
}
const std::string& old_dir (
) const
{
return _old_dir;
}
void revert (
)
{
if (!reverted)
{
set_current_dir(_old_dir);
reverted = true;
}
}
private:
bool reverted;
std::string _old_dir;
};
// ----------------------------------------------------------------------------------------
}
#endif // DLIB_MISC_API_ShARED_Hh_
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