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/*
error.h - wraps a gpgme error
Copyright (C) 2003, 2007 Klarälvdalens Datakonsult AB
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++ -*-
#ifndef __GPGMEPP_ERROR_H__
#define __GPGMEPP_ERROR_H__
#include "global.h"
#include <string>
#include <iosfwd>
#include <gpg-error.h>
#ifndef GPGMEPP_ERR_SOURCE_DEFAULT
# define GPGMEPP_ERR_SOURCE_DEFAULT GPG_ERR_SOURCE_USER_1
#endif
namespace GpgME
{
class GPGMEPP_EXPORT Error
{
public:
Error() : mErr(0), mMessage() {}
explicit Error(unsigned int e) : mErr(e), mMessage() {}
const char *source() const;
const char *asString() const;
int code() const;
int sourceID() const;
bool isCanceled() const;
unsigned int encodedError() const
{
return mErr;
}
int toErrno() const;
static bool hasSystemError();
static Error fromSystemError(unsigned int src = GPGMEPP_ERR_SOURCE_DEFAULT);
static void setSystemError(gpg_err_code_t err);
static void setErrno(int err);
static Error fromErrno(int err, unsigned int src = GPGMEPP_ERR_SOURCE_DEFAULT);
static Error fromCode(unsigned int err, unsigned int src = GPGMEPP_ERR_SOURCE_DEFAULT);
GPGMEPP_MAKE_SAFE_BOOL_OPERATOR(mErr &&!isCanceled())
private:
unsigned int mErr;
mutable std::string mMessage;
};
GPGMEPP_EXPORT std::ostream &operator<<(std::ostream &os, const Error &err);
} // namespace GpgME
#endif /* __GPGMEPP_ERROR_H__ */
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