opwavedir.cpp

linux下的一款播放器

/* ***** BEGIN LICENSE BLOCK *****
 * Source last modified: $Id: opwavedir.cpp,v 1.3.32.3 2004/07/09 01:44:17 hubbe Exp $
 * 
 * Portions Copyright (c) 1995-2004 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 (the "RPSL") available at
 * http://www.helixcommunity.org/content/rpsl unless you have licensed
 * the file under the current version of the RealNetworks Community
 * Source License (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.
 * 
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU General Public License Version 2 or later (the
 * "GPL") in which case the provisions of the GPL are applicable
 * instead of those above. If you wish to allow use of your version of
 * this file only under the terms of the GPL, and not to allow others
 * to use your version of this file under the terms of either the RPSL
 * or RCSL, indicate your decision by deleting the provisions above
 * and replace them with the notice and other provisions required by
 * the GPL. If you do not delete the provisions above, a recipient may
 * use your version of this file under the terms of any one of the
 * RPSL, the RCSL or the GPL.
 * 
 * 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 "hlxclib/stdio.h"
#include "hlxclib/sys/types.h"
//#include <dirent.h>
#include "hlxclib/errno.h"

#include "hxtypes.h"

#include "hxstrutl.h"

#include "hxdirlist.h"

#include "op_fs.h"
#include "opwavedir.h"


Dir_list* Dir_list::create(const char* path)
{
    return new Openwave_dir_list(path);
}

Openwave_dir_list::Openwave_dir_list(const char* _path)
{
    path = new_string(_path);
    //_dir_handle = opendir(path);
    //if (_dir_handle == 0) 
	OpFsStatStruct opFsStruct;
	if (OpFsStat (path, &opFsStruct) == kOpFsErrAny)
    {
		_error = errno;
    }

        //m_nDirEntries = OpFsCountdir(path);
        m_nDirEntries = 0;
	m_nDirEntryIndex = 0;
}

Openwave_dir_list::~Openwave_dir_list()
{
    delete[] path;
    //if (_dir_handle)
    //{
    //	closedir(_dir_handle);
    //}
}

const char* Openwave_dir_list::get_next()
{
    //struct dirent*  current_entry;

    //current_entry = readdir(_dir_handle);
    //if (current_entry == 0) 
    char* entry_name = NULL;
    unsigned short entry_len = 0;
    //if (kOpFsErrAny == OpFsEnumdir(path, m_nDirEntryIndex, entry_name, &entry_len))
    {
	_error = errno;
	return 0;
    }
    m_nDirEntryIndex++;
    return entry_name;
    //return current_entry->d_name;
}

int
Openwave_dir_list::valid_file_name(const char* name)
{
    if ( (strcmp(name,"..") == 0) || (strcmp(name, ".") == 0) )
    {
	return 0;
    }
    return 1;
}

int
Openwave_dir_list::is_empty()
{
    int nDirEntries = 0;//OpFsCountdir(path);
    int nDirEntryIndex = 0;
    char* entry_name = NULL;
    unsigned short entry_len = 0;
    while (nDirEntryIndex < nDirEntries)
    {
    	//if (kOpFsErrAny != OpFsEnumdir(path, m_nDirEntryIndex, entry_name, &entry_len))
    	{
    	    if (valid_file_name(entry_name))
	    {
		return 0;
	    }
	}
	nDirEntryIndex++;
    }
    return 1;

	//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;
}