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Tricks of the Windows Gam…ming Gurus (2nd Edition)
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arcex.cpp
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C/C++ Source or Header
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1998-06-16
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104 lines
// This is a part of the Microsoft Foundation Classes C++ library.
// Copyright (C) 1992-1998 Microsoft Corporation
// All rights reserved.
//
// This source code is only intended as a supplement to the
// Microsoft Foundation Classes Reference and related
// electronic documentation provided with the library.
// See these sources for detailed information regarding the
// Microsoft Foundation Classes product.
#include "stdafx.h"
#ifdef AFX_CORE2_SEG
#pragma code_seg(AFX_CORE2_SEG)
#endif
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
#define new DEBUG_NEW
#ifdef _DEBUG
// character strings to use for dumping CArchiveException
static const LPCSTR rgszCArchiveExceptionCause[] =
{
"none",
"generic",
"readOnly",
"endOfFile",
"writeOnly",
"badIndex",
"badClass",
"badSchema",
};
static const char szUnknown[] = "unknown";
#endif
BOOL CArchiveException::GetErrorMessage(LPTSTR lpszError, UINT nMaxError,
PUINT pnHelpContext)
{
ASSERT(lpszError != NULL && AfxIsValidString(lpszError, nMaxError));
if (pnHelpContext != NULL)
*pnHelpContext = m_cause + AFX_IDP_ARCH_NONE;
// we can use CString here; archive errors aren't caused
// by being out of memory.
CString strMessage;
CString strFileName = m_strFileName;
if (strFileName.IsEmpty())
strFileName.LoadString(AFX_IDS_UNNAMED_FILE);
AfxFormatString1(strMessage,
m_cause + AFX_IDP_ARCH_NONE, strFileName);
lstrcpyn(lpszError, strMessage, nMaxError);
return TRUE;
}
/////////////////////////////////////////////////////////////////////////////
// CArchiveException
#ifdef _DEBUG
void CArchiveException::Dump(CDumpContext& dc) const
{
CObject::Dump(dc);
dc << " m_cause = ";
if (m_cause >= 0 && m_cause < _countof(rgszCArchiveExceptionCause))
dc << rgszCArchiveExceptionCause[m_cause];
else
dc << szUnknown;
dc << "\n";
}
#endif //_DEBUG
void AFXAPI AfxThrowArchiveException(int cause,
LPCTSTR lpszArchiveName /* = NULL */)
{
#ifdef _DEBUG
LPCSTR lpsz;
if (cause >= 0 && cause < _countof(rgszCArchiveExceptionCause))
lpsz = rgszCArchiveExceptionCause[cause];
else
lpsz = szUnknown;
TRACE1("CArchive exception: %hs.\n", lpsz);
#endif //_DEBUG
THROW(new CArchiveException(cause, lpszArchiveName));
}
#ifdef AFX_INIT_SEG
#pragma code_seg(AFX_INIT_SEG)
#endif
IMPLEMENT_DYNAMIC(CArchiveException, CException)
/////////////////////////////////////////////////////////////////////////////