ChangeLogTag:Mon Jul 9 06:52:09 2001 Douglas C. Schmidt <schmidt@tango.doc.wustl.edu>

1 files changed, 64 insertions, 0 deletions

diff --git a/ace/Dirent_Selector.h b/ace/Dirent_Selector.h
new file mode 100644
index 00000000000..6f3ea0872fa
--- /dev/null
+++ b/ace/Dirent_Selector.h
@@ -0,0 +1,64 @@
+/* -*- C++ -*- */
+
+//=============================================================================
+/**
+ *  @file    Dirent_Selector.h
+ *
+ *  $Id$
+ *
+ *  Define a portable C++ interface to the <ACE_OS_Dirent::scandir> method.
+ *
+ *  @author Rich Newman <RNewman@directv.com>
+ */
+//=============================================================================
+
+#ifndef ACE_DIRENT_SELECTOR_H
+#define ACE_DIRENT_SELECTOR_H
+#include "ace/pre.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+#pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+/**
+ * @class ACE_Dirent
+ *
+ * @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 (void) const;
+
+  /// Return the entry at <index>.
+  dirent *operator[] (const int index) const;
+
+  /// Free up resources.
+  int close (void);
+
+  /// Open the director <dir> and populate the <namelist_> array with
+  /// directory entries that match the <selector> and <comparator>.
+  int open (const ACE_TCHAR *dir, 
+            int (*selector)(const dirent *d) = 0,
+            int (*comparator)(const dirent **d1, const dirent **d2) = 0);
+
+protected:
+  /// Ptr to the namelist array.
+  dirent **namelist_; 		
+
+  /// # of entries in the array.
+  int n_;	
+};
+
+#include "ace/Dirent_Selector.inl"
+
+#include "ace/post.h"
+#endif /* ACE_DIRENT_SELECTOR_H */
+