Win32Exception.h

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/*  Win32Exception.h - Handy exception object that is capable
    of calling FormatMessage for sensible API error reporting.

    Copyright (C) 2001-2004 Mark Weaver
    Written by Mark Weaver <mark@npsl.co.uk>

    Part of the Open-Win32 library.
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library 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
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public
    License along with this library; if not, write to the
    Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA  02111-1307, USA.
*/

#ifndef OW32_Win32Exception_h
#define OW32_Win32Exception_h

#include <OW32/windows.h>
#include <OW32/tstl.h>
#include <OW32/OW32Libs.h>
#include <string>

namespace OW32
{

class OW32_LIB_EXPORT CWin32Exception
{
public:
    CWin32Exception(LPCTSTR prefix, DWORD error) :
        m_prefix(prefix),
        m_error(error)
    {
    }

    CWin32Exception() :
        m_error(ERROR_SUCCESS)
    {
    }

    DWORD getError() const
    {
        return m_error;
    }

    LPCTSTR getPrefix() const
    {
        return m_prefix.c_str();
    }

    std::_tstring getFormattedError() const;

    static std::_tstring getFormattedError(DWORD error, LPCTSTR prefix)
    {
        CWin32Exception e(prefix, error);
        return e.getFormattedError();
    }

private:
    DWORD           m_error;
    std::_tstring   m_prefix;
};

} // namespace OW32

#endif // OW32_Win32Exception_h

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