src/ioerror.h

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/***************************************************************************
                          ioerror.h  -  description
                             -------------------
    begin                : Fri Dec 12 2003
    copyright            : (C) 2003 by Roman Geus
    email                : roman.geus@psi.ch
***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#include <stdexcept>
#include <iostream>
#include <string>
#include <iomanip>
#include <sstream>

class IOError : public std::runtime_error {
protected:
    std::string _msg;
public:
    IOError() : std::runtime_error(""), _msg("") {}
    IOError(std::string msg) : std::runtime_error(""), _msg(msg) {}
    virtual ~IOError() throw() {}
    virtual const char* what() const throw() { return _msg.c_str(); }
};

class FileIOError : public IOError {
public:
    FileIOError() : IOError("general file IO error") {}
    FileIOError(std::string fileName, std::string msg) : IOError(fileName + ": " + msg) {}
    FileIOError(std::string fileName, int line, std::string msg) : IOError() {
        std::ostringstream str;
        str << "file " << fileName << " at line " << line << ": " << msg;
        _msg = str.str();
    };
};

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