//
// DirectoryIterator_UNIX.h
//
// Library: Foundation
// Package: Filesystem
// Module:  DirectoryIterator
//
// Definition of the DirectoryIteratorImpl class for UNIX.
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier:	BSL-1.0
//


#ifndef Foundation_DirectoryIterator_UNIX_INCLUDED
#define Foundation_DirectoryIterator_UNIX_INCLUDED


#include <dirent.h>
#include "Poco/Foundation.h"


namespace Poco
{


class Foundation_API DirectoryIteratorImpl
{
public:
    DirectoryIteratorImpl(const std::string & path);
    ~DirectoryIteratorImpl();

    void duplicate();
    void release();

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

private:
    DIR * _pDir;
    std::string _current;
    int _rc;
};


//
// inlines
//
const std::string & DirectoryIteratorImpl::get() const
{
    return _current;
}


inline void DirectoryIteratorImpl::duplicate()
{
    ++_rc;
}


inline void DirectoryIteratorImpl::release()
{
    if (--_rc == 0)
        delete this;
}


} // namespace Poco


#endif // Foundation_DirectoryIterator_UNIX_INCLUDED