172 lines
3 KiB
C++
172 lines
3 KiB
C++
|
// Persistor.cpp: implementation of the CPersistor class.
|
||
|
|
//
|
||
|
|
//////////////////////////////////////////////////////////////////////
|
||
|
|
//***************************************************************************
|
||
|
|
//
|
||
|
|
// judyp May 1999
|
||
|
|
//
|
||
|
|
//***************************************************************************
|
||
|
|
|
||
|
|
#include "stdafx.h"
|
||
|
|
|
||
|
|
#include <string>
|
||
|
|
#include <iosfwd>
|
||
|
|
#include <iostream>
|
||
|
|
#include <fstream>
|
||
|
|
|
||
|
|
using namespace std;
|
||
|
|
|
||
|
|
#include <WTYPES.H>
|
||
|
|
#include "t_string.h"
|
||
|
|
|
||
|
|
#include "Persistor.h"
|
||
|
|
|
||
|
|
#include "StructureWapperHelpers.h"
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef _UNICODE
|
||
|
|
static TCHAR g_tcBeginFile[] = {0xfeff};
|
||
|
|
static TCHAR g_atcNL[] = {0x0d, 0x0a, 0x00};
|
||
|
|
#endif
|
||
|
|
|
||
|
|
//////////////////////////////////////////////////////////////////////
|
||
|
|
// Construction/Destruction
|
||
|
|
//////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
|
||
|
|
CPersistor::CPersistor
|
||
|
|
(const char *pszFilename, int nMode, bool bLoading)
|
||
|
|
{
|
||
|
|
m_sFilename = pszFilename;
|
||
|
|
m_nMode = nMode;
|
||
|
|
m_bLoading = bLoading;
|
||
|
|
m_pfsFile = NULL;
|
||
|
|
m_bFirst = true;
|
||
|
|
m_pfsFile = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
CPersistor::~CPersistor()
|
||
|
|
{
|
||
|
|
Close();
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT CPersistor::Close()
|
||
|
|
{
|
||
|
|
if (m_pfsFile && m_pfsFile->is_open())
|
||
|
|
{
|
||
|
|
#ifdef _UNICODE
|
||
|
|
if (!m_bLoading)
|
||
|
|
{
|
||
|
|
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
m_pfsFile->flush();
|
||
|
|
m_pfsFile->close();
|
||
|
|
delete m_pfsFile;
|
||
|
|
m_pfsFile = NULL;
|
||
|
|
}
|
||
|
|
else if (m_pfsFile)
|
||
|
|
{
|
||
|
|
delete m_pfsFile;
|
||
|
|
m_pfsFile = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT CPersistor::Open()
|
||
|
|
{
|
||
|
|
|
||
|
|
m_pfsFile = NULL;
|
||
|
|
|
||
|
|
m_pfsFile = new t_fstream
|
||
|
|
(m_sFilename.c_str(),m_nMode | ios_base::binary);
|
||
|
|
|
||
|
|
if (m_pfsFile && m_pfsFile->fail())
|
||
|
|
{
|
||
|
|
return HRESULT_FROM_WIN32(GetLastError());
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
#ifdef _UNICODE
|
||
|
|
if (m_bFirst && !m_bLoading)
|
||
|
|
{
|
||
|
|
// To Do: Need to write out here the UNICODE string.
|
||
|
|
PutALine(*m_pfsFile, g_tcBeginFile, 1);
|
||
|
|
}
|
||
|
|
else if (m_bFirst)
|
||
|
|
{
|
||
|
|
// Need to skip over the UNICODE string.
|
||
|
|
fpos_t p = m_pfsFile->tellp();
|
||
|
|
if (p == (fpos_t) 0)
|
||
|
|
{
|
||
|
|
TCHAR tc;
|
||
|
|
tc = Stream().peek();
|
||
|
|
// Need to make sure that the file is unicode.
|
||
|
|
if (tc != 0xff)
|
||
|
|
{
|
||
|
|
m_pfsFile ->close();
|
||
|
|
delete m_pfsFile;
|
||
|
|
m_pfsFile = NULL;
|
||
|
|
return HRESULT_FROM_WIN32(ERROR_NO_UNICODE_TRANSLATION);
|
||
|
|
}
|
||
|
|
|
||
|
|
TCHAR t;
|
||
|
|
|
||
|
|
GetAChar(Stream(), t);
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
if (m_bFirst && m_bLoading)
|
||
|
|
{
|
||
|
|
// Need to make sure that the file is not unicode.
|
||
|
|
int tc;
|
||
|
|
tc = Stream().peek();
|
||
|
|
if (tc == 0xff)
|
||
|
|
{
|
||
|
|
m_pfsFile ->close();
|
||
|
|
delete m_pfsFile;
|
||
|
|
m_pfsFile = NULL;
|
||
|
|
return HRESULT_FROM_WIN32(ERROR_NO_UNICODE_TRANSLATION);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
m_bFirst = false;
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
HRESULT CPersistor::OpenLog(bool bAppend)
|
||
|
|
{
|
||
|
|
|
||
|
|
m_pfsFile = NULL;
|
||
|
|
|
||
|
|
m_pfsFile = new t_fstream
|
||
|
|
(m_sFilename.c_str(),m_nMode | ios_base::binary | (bAppend ? ios::app : 0));
|
||
|
|
|
||
|
|
if (m_pfsFile && m_pfsFile->fail())
|
||
|
|
{
|
||
|
|
return HRESULT_FROM_WIN32(GetLastError());
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
#ifdef _UNICODE
|
||
|
|
//m_pfsFile->seekp(ios::end);
|
||
|
|
//fpos_t p = m_pfsFile->tellp();
|
||
|
|
//if (p == (fpos_t) 0)
|
||
|
|
//{
|
||
|
|
PutALine(*m_pfsFile, g_tcBeginFile, 1);
|
||
|
|
//}
|
||
|
|
#endif
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|