unixdir.cpp
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上传日期:2007-06-06
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文件大小:3k
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #include <stdio.h>
- #include <sys/types.h>
- #include <dirent.h>
- #include <errno.h>
- #include "hxtypes.h"
- #include "hxstrutl.h"
- #include "hxdirlist.h"
- #include "unixdir.h"
- Dir_list* Dir_list::create(const char* path)
- {
- return new Unix_dir_list(path);
- }
- Unix_dir_list::Unix_dir_list(const char* _path)
- {
- path = new_string(_path);
- _dir_handle = opendir(path);
- if (_dir_handle == 0)
- {
- _error = errno;
- }
- }
- Unix_dir_list::~Unix_dir_list()
- {
- delete[] path;
- if (_dir_handle)
- {
- closedir(_dir_handle);
- }
- }
- const char* Unix_dir_list::get_next()
- {
- struct dirent* current_entry;
- current_entry = readdir(_dir_handle);
- if (current_entry == 0)
- {
- _error = errno;
- return 0;
- }
- return current_entry->d_name;
- }
- int
- Unix_dir_list::valid_file_name(const char* name)
- {
- if ( (strcmp(name,"..") == 0) || (strcmp(name, ".") == 0) )
- {
- return 0;
- }
- return 1;
- }
- int
- Unix_dir_list::is_empty()
- {
- DIR* dh;
- struct dirent* current_entry;
- dh = opendir(path);
- if (dh == 0)
- {
- _error = errno;
- return 1;
- }
- current_entry = readdir(dh);
- while (current_entry != 0)
- {
- if (valid_file_name(current_entry->d_name))
- {
- closedir(dh);
- return 0;
- }
- current_entry = readdir(dh);
- }
- closedir(dh);
- return 1;
- }