1 | /* |
2 | error.h - wraps a gpgme error |
3 | Copyright (C) 2003, 2007 Klarälvdalens Datakonsult AB |
4 | |
5 | This file is part of GPGME++. |
6 | |
7 | GPGME++ is free software; you can redistribute it and/or |
8 | modify it under the terms of the GNU Library General Public |
9 | License as published by the Free Software Foundation; either |
10 | version 2 of the License, or (at your option) any later version. |
11 | |
12 | GPGME++ is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | GNU Library General Public License for more details. |
16 | |
17 | You should have received a copy of the GNU Library General Public License |
18 | along with GPGME++; see the file COPYING.LIB. If not, write to the |
19 | Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
20 | Boston, MA 02110-1301, USA. |
21 | */ |
22 | |
23 | // -*- c++ -*- |
24 | #ifndef __GPGMEPP_ERROR_H__ |
25 | #define __GPGMEPP_ERROR_H__ |
26 | |
27 | #include <gpgme++/global.h> |
28 | |
29 | #include <string> |
30 | #include <iosfwd> |
31 | |
32 | #include <gpg-error.h> |
33 | |
34 | #ifndef GPGMEPP_ERR_SOURCE_DEFAULT |
35 | # define GPGMEPP_ERR_SOURCE_DEFAULT GPG_ERR_SOURCE_USER_1 |
36 | #endif |
37 | |
38 | namespace GpgME { |
39 | |
40 | class GPGMEPP_EXPORT Error { |
41 | public: |
42 | Error() : mErr( 0 ), mMessage() {} |
43 | explicit Error( unsigned int e ) : mErr( e ), mMessage() {} |
44 | |
45 | const char * source() const; |
46 | const char * asString() const; |
47 | |
48 | int code() const; |
49 | int sourceID() const; |
50 | |
51 | bool isCanceled() const; |
52 | |
53 | unsigned int encodedError() const { |
54 | return mErr; |
55 | } |
56 | int toErrno() const; |
57 | |
58 | static bool hasSystemError(); |
59 | static Error fromSystemError( unsigned int src=GPGMEPP_ERR_SOURCE_DEFAULT ); |
60 | static void setSystemError( gpg_err_code_t err ); |
61 | static void setErrno( int err ); |
62 | static Error fromErrno( int err, unsigned int src=GPGMEPP_ERR_SOURCE_DEFAULT ); |
63 | static Error fromCode( unsigned int err, unsigned int src=GPGMEPP_ERR_SOURCE_DEFAULT ); |
64 | |
65 | GPGMEPP_MAKE_SAFE_BOOL_OPERATOR( mErr && !isCanceled() ) |
66 | private: |
67 | unsigned int mErr; |
68 | mutable std::string mMessage; |
69 | }; |
70 | |
71 | GPGMEPP_EXPORT std::ostream & operator<<( std::ostream & os, const Error & err ); |
72 | |
73 | } // namespace GpgME |
74 | |
75 | #endif /* __GPGMEPP_ERROR_H__ */ |
76 | |