/*

  exception.cpp - exception wrapping a gpgme error

  Copyright (C) 2007 Klarälvdalens Datakonsult AB

  2016 Bundesamt für Sicherheit in der Informationstechnik

  Software engineering by Intevation GmbH

  This file is part of GPGME++.

  GPGME++ 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.

  GPGME++ 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 GPGME++; see the file COPYING.LIB.  If not, write to the

  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

  Boston, MA 02110-1301, USA.

*/

// -*- c++ -*-

#ifdef HAVE_CONFIG_H

 #include "config.h"

#endif

#include "exception.h"

#include <gpgme.h>

#include <sstream>

using namespace GpgME;

using namespace std; // only safe b/c it's so small a file!

Exception::~Exception() throw() {}

// static

string Exception::make_message(const Error &err, const string &msg)

{

    return make_message(err, msg, NoOptions);

}

// static

string Exception::make_message(const Error &err, const string &msg, Options opt)

{

    if (opt & MessageOnly) {

        return msg;

    }

    char error_string[128];

    error_string[0] = '\0';

    gpgme_strerror_r(err.encodedError(), error_string, sizeof error_string);

    error_string[sizeof error_string - 1] = '\0';

    stringstream ss;

    ss << gpgme_strsource(err.encodedError()) << ": ";

    if (!msg.empty()) {

        ss << msg << ": ";

    }

    ss << error_string << " (" << static_cast<unsigned long>(err.encodedError()) << ')';

    return ss.str();

}