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74 lines
2.5 KiB
C++
74 lines
2.5 KiB
C++
22 years ago
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// ***************************************************************** -*- C++ -*-
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/*
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* Copyright (C) 2004 Andreas Huggel <ahuggel@gmx.net>
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*
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* This program is part of the Exiv2 distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/*!
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@file error.hpp
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@brief Error class for exceptions
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@version $Name: $ $Revision: 1.1 $
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@author Andreas Huggel (ahu)
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<a href="mailto:ahuggel@gmx.net">ahuggel@gmx.net</a>
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@date 15-Jan-04, ahu: created
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11-Feb-04, ahu: isolated as a component
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*/
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#ifndef ERROR_HPP_
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#define ERROR_HPP_
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// *****************************************************************************
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// included header files
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// + standard includes
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#include <string>
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#include <iosfwd>
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// *****************************************************************************
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// namespace extensions
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namespace Exif {
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// *****************************************************************************
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// class definitions
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/*!
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@brief Very simple error class used for exceptions. It contains just an
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error message. An output operator is provided to print
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errors to a stream.
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*/
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class Error {
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public:
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//! Constructor taking a (short) error message as argument
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Error(const std::string& message) : message_(message) {}
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/*!
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@brief Return the error message. Consider using the output operator
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operator<<(std::ostream &os, const Error& error) instead.
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*/
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std::string message() const { return message_; }
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private:
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std::string message_;
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};
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//! %Error output operator
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inline std::ostream& operator<<(std::ostream& os, const Error& error)
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{
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return os << error.message();
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}
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} // namespace Exif
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#endif // #ifndef ERROR_HPP_
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