Files
harbour-core/harbour/contrib/hbziparch/zipfile.cpp
Viktor Szakats ed6ed2aec3 2007-12-01 01:15 UTC+0100 Viktor Szakats (harbour.01 syenar.hu)
- contrib/btree
   + contrib/hbbtree
   - contrib/directx
   + contrib/hbw32ddr
   * contrib/hbw32ddr/Makefile
   * contrib/hbw32ddr/common.mak
   - contrib/firebird
   + contrib/hbfbird
   * contrib/hbfbird/Makefile
   * contrib/hbfbird/common.mak
   - contrib/freeimage
   + contrib/hbfimage
   * contrib/hbfimage/Makefile
   * contrib/hbfimage/common.mak
   - contrib/gd
   + contrib/hbgd
   - contrib/hbzlib
   + contrib/hbziparch
   * contrib/hbziparch/make_b32_dll.bat
   * contrib/hbziparch/make_b32_dll.mak
   * contrib/Makefile
   * contrib/make_b32_all.bat
   * contrib/make_vc_all.bat
     * Contrib lib rename continued.
2007-12-01 01:15:41 +00:00

115 lines
2.6 KiB
C++

////////////////////////////////////////////////////////////////////////////////
// $Workfile: ZipFile.cpp $
// $Archive: /ZipArchive_STL/ZipFile.cpp $
// $Date$ $Author$
////////////////////////////////////////////////////////////////////////////////
// This source file is part of the ZipArchive library source distribution and
// is Copyright 2000-2003 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 "zipfile.h"
#include "zipexception.h"
#include "zipplatform.h"
#include <fcntl.h>
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CZipFile::CZipFile()
{
m_hFile = -1;
}
void CZipFile::ThrowError() const
{
CZipException::Throw(errno, m_szFileName);
}
ZIP_ULONGLONG CZipFile::GetLength() const
{
// cannot use Seek here, Seek is not const
long lLen, lCur;
lCur = lseek(m_hFile, 0, current);
if (lCur == -1)
ThrowError();
lLen = lseek(m_hFile, 0, end);
// first get back
lseek(m_hFile, lCur, begin);
if (lLen == -1)
ThrowError();
return lLen;
}
bool CZipFile::Open(LPCTSTR lpszFileName, UINT openFlags, bool bThrow)
{
if (!IsClosed())
Close();
#ifndef __GNUC__
UINT iNewFlags = O_BINARY;
#else
UINT iNewFlags = 0;
#endif
bool bReadOnly = false;
if (openFlags & CZipFile::modeCreate)
iNewFlags |= O_CREAT;
if ((openFlags & CZipFile::modeReadWrite) == CZipFile::modeReadWrite)
iNewFlags |= O_RDWR;
else if (openFlags & CZipFile::modeRead)
{
// O_RDONLY is defined as 0
bReadOnly = true;
iNewFlags |= O_RDONLY;
}
else if (openFlags & CZipFile::modeWrite)
iNewFlags |= O_WRONLY;
if (!(openFlags & CZipFile::modeNoTruncate) && !bReadOnly)
iNewFlags |= O_TRUNC;
m_hFile = ZipPlatform::OpenFile(lpszFileName, iNewFlags, openFlags & 0x1C);
if (m_hFile == -1)
if (bThrow)
ThrowError();
else
return false;
m_szFileName = lpszFileName;
return true;
}
void CZipFile::SetLength(ZIP_ULONGLONG nNewLen)
{
ZipPlatform::TruncateFile(m_hFile, (DWORD)nNewLen);
}
void CZipFile::Flush()
{
if (!ZipPlatform::FlushFile(m_hFile))
ThrowError();
}
CZipFile::operator HANDLE()
{
int fh = ZipPlatform::GetFileSystemHandle(m_hFile);
if (fh == -1)
ThrowError();
return (HANDLE)fh;
}