1 files changed, 167 insertions, 0 deletions
diff --git a/common/mdexceptions.h b/common/mdexceptions.h
new file mode 100644
index 0000000..44c3466
--- /dev/null
+++ b/common/mdexceptions.h
@@ -0,0 +1,167 @@
+// mdexceptions.h
+//
+// WinDirStat - Directory Statistics
+// Copyright (C) 2003 Bernhard Seifert
+//
+// 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.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+//
+// This general purpose header is derived from a file
+// created by www.daccord.net und published
+// here under GPL with friendly permission of D'accord.
+
+// Md is just a prefix.
+
+#ifndef MDEXCEPTIONS_H_INCLUDED
+#define MDEXCEPTIONS_H_INCLUDED
+
+#ifndef _INC_STDARG
+#include <stdarg.h>
+#endif
+
+#pragma warning(disable: 4290) // C++ Exception Specification ignored
+
+class CMdStringException: public CException
+{
+public:
+	CMdStringException(LPCTSTR pszText)
+		: m_sText(pszText) // pszText may be a MAKEINTRESOURCE
+	{}
+	virtual BOOL GetErrorMessage(LPTSTR lpszError, UINT nMaxError, PUINT pnHelpContext = NULL)
+	{
+		if (pnHelpContext != NULL)
+			*pnHelpContext= 0;
+		if (nMaxError != 0 && lpszError != NULL)
+			lstrcpyn(lpszError, m_sText, nMaxError);
+		return true;
+	}
+protected:
+	CString m_sText;
+};
+
+inline CString MdGetExceptionMessage(CException *pe)
+{
+	CString s;
+	BOOL b= pe->GetErrorMessage(s.GetBuffer(1024), 1024);
+	s.ReleaseBuffer();
+
+	if (!b)
+		s= _T("(no error message available)");
+
+	return s;
+}
+
+inline CString MdGetWinerrorText(HRESULT hr)
+{
+	CString sRet;	
+	LPVOID lpMsgBuf;
+	DWORD dw= FormatMessage(
+		FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM, 
+		NULL, hr, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), 
+		(LPTSTR) &lpMsgBuf, 0, NULL
+	);
+	if (dw == NULL)
+	{
+		CString s(MAKEINTRESOURCE(AFX_IDP_NO_ERROR_AVAILABLE));
+		sRet.Format(_T("%s (0x%08lx)"), s, hr);
+	}
+	else 
+	{ 
+		sRet= (LPCTSTR)lpMsgBuf; 
+		LocalFree(lpMsgBuf); 
+	}
+	return sRet;
+}
+
+inline void MdThrowStringException(UINT resId) throw (CMdStringException *)
+{
+	throw new CMdStringException(MAKEINTRESOURCE(resId));
+}
+
+inline void MdThrowStringException(LPCTSTR pszText) throw (CMdStringException *)
+{
+	throw new CMdStringException(pszText);
+}
+
+inline void __MdFormatStringExceptionV(CString& rsText, LPCTSTR pszFormat, va_list vlist)
+{
+	CString sFormat(pszFormat); // may be a MAKEINTRESOURCE
+	rsText.FormatMessageV(sFormat, &vlist);
+}
+
+inline void AFX_CDECL MdThrowStringExceptionF(LPCTSTR pszFormat, ...)
+{
+	CString sText;
+
+	va_list vlist;
+	va_start(vlist, pszFormat);
+	__MdFormatStringExceptionV(sText, pszFormat, vlist);
+	va_end(vlist);
+
+	MdThrowStringException(sText);
+}
+
+inline void MdThrowStringExceptionV(LPCTSTR pszFormat, va_list vlist)
+{
+	CString sText;
+	__MdFormatStringExceptionV(sText, pszFormat, vlist);
+	MdThrowStringException(sText);
+}
+
+inline void AFX_CDECL MdThrowStringExceptionF(UINT nResIdFormat, ...)
+{
+	CString sText;
+
+	va_list vlist;
+	va_start(vlist, nResIdFormat);
+	__MdFormatStringExceptionV(sText, MAKEINTRESOURCE(nResIdFormat), vlist);
+	va_end(vlist);
+
+	MdThrowStringException(sText);
+}
+
+inline void MdThrowStringExceptionF(UINT nResIdFormat, va_list vlist)
+{
+	CString sText;
+	__MdFormatStringExceptionV(sText, MAKEINTRESOURCE(nResIdFormat), vlist);
+	MdThrowStringException(sText);
+}
+
+inline void MdThrowWinerror(DWORD dw, LPCTSTR pszPrefix =NULL) throw (CMdStringException *)
+{
+	CString sMsg= pszPrefix;
+	sMsg+= _T(": ") + MdGetWinerrorText(dw);
+	MdThrowStringException(sMsg);
+}
+
+inline void MdThrowHresult(HRESULT hr, LPCTSTR pszPrefix =NULL) throw (CMdStringException *)
+{
+	CString sMsg= pszPrefix;
+	sMsg+= _T(": ") + MdGetWinerrorText(hr);
+	MdThrowStringException(sMsg);
+}
+
+
+inline void MdThrowLastWinerror(LPCTSTR pszPrefix =NULL) throw (CMdStringException *)
+{
+	MdThrowWinerror(GetLastError(), pszPrefix);
+}
+
+inline void MdThrowFailed(HRESULT hr, LPCTSTR pszPrefix =NULL) throw (CMdStringException *)
+{
+	if (FAILED(hr))
+		MdThrowHresult(hr, pszPrefix);
+}
+
+#endif