1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2016 The Qt Company Ltd. 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtCore module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or (at your option) the GNU General 28 ** Public license version 3 or any later version approved by the KDE Free 29 ** Qt Foundation. The licenses are as published by the Free Software 30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 31 ** included in the packaging of this file. Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 38 ****************************************************************************/ 39 40 #ifndef QSYSTEMERROR_P_H 41 #define QSYSTEMERROR_P_H 42 43 // 44 // W A R N I N G 45 // ------------- 46 // 47 // This file is not part of the Qt API. It exists purely as an 48 // implementation detail. This header file may change from version to 49 // version without notice, or even be removed. 50 // 51 // We mean it. 52 // 53 54 #include <QtCore/private/qglobal_p.h> 55 #include <qstring.h> 56 57 QT_BEGIN_NAMESPACE 58 59 class QSystemError 60 { 61 public: 62 enum ErrorScope 63 { 64 NoError, 65 StandardLibraryError, 66 NativeError 67 }; 68 QSystemError(int error,ErrorScope scope)69 Q_DECL_CONSTEXPR explicit QSystemError(int error, ErrorScope scope) 70 : errorCode(error), errorScope(scope) 71 { 72 } 73 Q_DECL_CONSTEXPR QSystemError() = default; 74 toString()75 QString toString() const { return string(errorScope, errorCode); } scope()76 Q_DECL_CONSTEXPR ErrorScope scope() const { return errorScope; } error()77 Q_DECL_CONSTEXPR int error() const { return errorCode; } 78 79 static Q_CORE_EXPORT QString string(ErrorScope errorScope, int errorCode); 80 static Q_CORE_EXPORT QString stdString(int errorCode = -1); 81 #ifdef Q_OS_WIN 82 static Q_CORE_EXPORT QString windowsString(int errorCode = -1); 83 #endif 84 85 //data members 86 int errorCode = 0; 87 ErrorScope errorScope = NoError; 88 }; 89 90 QT_END_NAMESPACE 91 92 #endif // QSYSTEMERROR_P_H 93