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////////////////////////////////////////////////////////////////////////////////
// This source file is part of the ZipArchive library source distribution and
// is Copyrighted 2000 - 2007 by Artpol Software - Tadeusz Dracz
//
// 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 refer to the License.txt file.
//
// Web Site: http://www.artpol-software.com
////////////////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "ZipFile.h"
#include "ZipPlatform.h"
#include "ZipException.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;
}
bool ZipPlatform::GetFileSize(LPCTSTR lpszFileName, ZIP_SIZE_TYPE& dSize)
{
CZipFile f;
if (!f.Open(lpszFileName, CZipFile::modeRead | CZipFile::shareDenyWrite, false))
return false;
bool ret;
try
{
ZIP_FILE_USIZE size = f.GetLength();
// the file may be too large if zip64 is not enabled
ret = size <= ZIP_SIZE_TYPE(-1);
if (ret)
dSize = (ZIP_SIZE_TYPE)size;
}
#ifdef ZIP_ARCHIVE_MFC
catch(CZipBaseException* e)
{
e->Delete();
ret = false;
}
#else
catch(CZipBaseException e)
{
ret = false;
}
#endif
try
{
f.Close();
}
#ifdef ZIP_ARCHIVE_MFC
catch(CZipBaseException* e)
{
e->Delete();
}
#else
catch(CZipBaseException e)
{
}
#endif
return ret;
}
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