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39 
40 #ifndef QBS_FILETIME_H
41 #define QBS_FILETIME_H
42 
43 #include "persistence.h"
44 
45 #include <QtCore/qdatastream.h>
46 #include <QtCore/qdebug.h>
47 
48 #if defined(Q_OS_UNIX)
49 #include <time.h>
50 #endif // Q_OS_UNIX
51 
52 namespace qbs {
53 namespace Internal {
54 
55 class QBS_AUTOTEST_EXPORT FileTime
56 {
57 public:
58 #if defined(Q_OS_UNIX)
59     using InternalType = timespec;
60 #elif defined(Q_OS_WIN)
61     using InternalType = quint64;
62 #else
63 #   error unknown platform
64 #endif
65 
66     FileTime();
67     FileTime(const InternalType &ft);
68 
69     bool operator<(const FileTime &rhs) const { return compare(rhs) < 0; }
70     bool operator>(const FileTime &rhs) const { return compare(rhs) > 0; }
71     bool operator<=(const FileTime &rhs) const { return !operator>(rhs); }
72     bool operator>=(const FileTime &rhs) const { return !operator<(rhs); }
73     bool operator==(const FileTime &rhs) const { return compare(rhs) == 0; }
74     bool operator!= (const FileTime &rhs) const { return !operator==(rhs); }
75     int compare(const FileTime &other) const;
76 
77     void clear();
78     bool isValid() const;
79     QString toString() const;
80 
81     static FileTime currentTime();
82     static FileTime oldestTime();
83 
84     double asDouble() const;
85 
completeSerializationOp(PersistentPool & pool)86     template<PersistentPool::OpType opType> void completeSerializationOp(PersistentPool &pool)
87     {
88 #if !defined(Q_OS_WIN)
89         pool.serializationOp<opType>(m_fileTime.tv_sec, m_fileTime.tv_nsec);
90 #else
91         pool.serializationOp<opType>(m_fileTime);
92 #endif
93     }
94 
95 private:
96     InternalType m_fileTime{};
97 };
98 
99 } // namespace Internal
100 } // namespace qbs
101 
102 QT_BEGIN_NAMESPACE
103 
104 inline QDebug operator<<(QDebug dbg, const qbs::Internal::FileTime &t)
105 {
106     dbg.nospace() << t.toString();
107     return dbg.space();
108 }
109 
110 QT_END_NAMESPACE
111 
112 #endif // QBS_FILETIME_H
113