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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
57QT_BEGIN_NAMESPACE
58
59class QSystemError
60{
61public:
62 enum ErrorScope
63 {
64 NoError,
65 StandardLibraryError,
66 NativeError
67 };
68
69 constexpr explicit QSystemError(int error, ErrorScope scope)
70 : errorCode(error), errorScope(scope)
71 {
72 }
73 constexpr QSystemError() = default;
74
75 QString toString() const { return string(errorScope, errorCode); }
76 constexpr ErrorScope scope() const { return errorScope; }
77 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
90QT_END_NAMESPACE
91
92#endif // QSYSTEMERROR_P_H
93