zipplatformcomm.cpp

ZIP压缩、解压缩算法库

////////////////////////////////////////////////////////////////////////////////
// $RCSfile: ZipPlatformComm.cpp,v $
// $Revision: 1.2 $
// $Date: 2005/02/14 07:50:10 $ $Author: Tadeusz Dracz $
////////////////////////////////////////////////////////////////////////////////
// This source file is part of the ZipArchive library source distribution and
// is Copyrighted 2000-2005 by Tadeusz Dracz (http://www.artpol-software.com/)
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
// 
// For the licensing details see the file License.txt
////////////////////////////////////////////////////////////////////////////////


#include "stdafx.h"
#include "ZipPlatform.h"

using namespace ZipPlatform;

bool ZipPlatform::DirectoryExists(LPCTSTR lpszDir)
{
	CZipString sz;
	if (!GetCurrentDirectory(sz))
		return false;
	if (!ChangeDirectory(lpszDir))
		return false;
	ChangeDirectory(sz);
	return true;
}

bool ZipPlatform::ForceDirectory(LPCTSTR lpDirectory)
{
	ASSERT(lpDirectory);
	CZipString szDirectory = lpDirectory;
	szDirectory.TrimRight(CZipPathComponent::m_cSeparator);
	CZipPathComponent zpc(szDirectory);
	if ((zpc.GetFilePath().Compare((LPCTSTR)szDirectory)) == 0 ||
		(FileExists(szDirectory) == -1))
		return true;
	if (!ForceDirectory(zpc.GetFilePath()))
		return false;
	if (!CreateDirectory(szDirectory))
		return false;
	return true;
}