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// -*- C++ -*-
//=============================================================================
/**
* @file Dirent_Selector.h
*
* Define a portable C++ interface to the <ACE_OS::scandir> method.
*
* @author Rich Newman <RNewman@directv.com>
*/
//=============================================================================
#ifndef ACE_DIRENT_SELECTOR_H
#define ACE_DIRENT_SELECTOR_H
#include /**/ "ace/pre.h"
#include /**/ "ace/ACE_export.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
#pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/OS_NS_dirent.h" /* Need ACE_SCANDIR_SELECTOR, COMPARATOR */
#include "ace/os_include/os_dirent.h"
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
/**
* @class ACE_Dirent_Selector
*
* @brief Define a portable C++ directory-entry iterator based on the
* POSIX scandir API.
*/
class ACE_Export ACE_Dirent_Selector
{
public:
/// Constructor
ACE_Dirent_Selector (void);
/// Destructor.
virtual ~ACE_Dirent_Selector (void);
/// Return the length of the list of matching directory entries.
int length () const;
/// Return the entry at @a index.
ACE_DIRENT *operator[] (const int index) const;
/// Free up resources.
int close (void);
/// Open the directory @a dir and populate the current list of names with
/// directory entries that match the @a selector and @a comparator.
int open (const ACE_TCHAR *dir,
ACE_SCANDIR_SELECTOR selector = 0,
ACE_SCANDIR_COMPARATOR comparator = 0);
protected:
/// Ptr to the namelist array.
ACE_DIRENT **namelist_;
/// Number of entries in the array.
int n_;
};
ACE_END_VERSIONED_NAMESPACE_DECL
#if defined (__ACE_INLINE__)
#include "ace/Dirent_Selector.inl"
#endif /* __ACE_INLINE__ */
#include /**/ "ace/post.h"
#endif /* ACE_DIRENT_SELECTOR_H */
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