source: trunk/FACT++/src/Time.h @ 10183

Last change on this file since 10183 was 10183, checked in by tbretz, 10 years ago
New import.
File size: 3.4 KB
Line 
1#ifndef FACT_Time
2#define FACT_Time
3
4#include <boost/date_time/local_time/local_time.hpp>
5
6// **************************************************************************
7/** @class _time_format
8
9@brief Helper to manipulate the input and output format of a time in a stream
10
11This class represents a stream manipulator. It is used to change the input
12or output format of a Time (or boost::posix_time) object to and from a
13stream.
14
15**/
16// **************************************************************************
17class _time_format
18{
19    friend std::ostream &operator<<(std::ostream &out, const _time_format &f);
20    friend std::istream &operator>>(std::istream &in,  const _time_format &f);
21private:
22    const char *ptr; /// pointer given to the iostreams
23
24public:
25    /// initialize ptr with what should be passed to the iostreams
26    _time_format(const char *txt) : ptr(txt) { }
27};
28
29class Time : public boost::posix_time::ptime
30{
31public:
32    /// A none-time, this can be used as a simple representation of an invalid time
33    static const Time None;
34
35    /// A stream manipulator to set the output/input format
36    static const _time_format fmt(const char *txt=0);
37
38    static const _time_format reset; /// Remove the format description from the stream
39    static const _time_format def;   /// set to format to the locale default
40    static const _time_format std;   /// set to format to the iso standard
41    static const _time_format sql;   /// set to format to the sql format
42    static const _time_format iso;   /// set to format to the extended iso standard
43    static const _time_format magic; /// set to format to the MAGIC report format
44
45    /// Enum used in the instantisation of the class to change the inititalisation value
46    enum init_t
47    {
48        none,  ///< Do not initialize the time
49        utc,   ///< Initialize with UTC
50        local  ///< Initialize with local time
51    };
52
53private:
54    /// Points to the famous 1/1/1970, the standard offset for unix times
55    const static boost::gregorian::date fUnixOffset;
56
57public:
58    // Constructors
59    Time(enum init_t type=utc);
60    Time(const time_t &tm, const int &ms);
61    Time(const ptime &pt) : boost::posix_time::ptime(pt) { }
62    Time(short year, unsigned char month, unsigned char day,
63         unsigned char h=0, unsigned char m=0, unsigned char s=0,
64         unsigned int us=0);
65
66    // Convesion from and to a string
67    std::string GetAsStr(const char *fmt="%Y-%m-%d %H:%M:%S.%f") const;
68    void SetFromStr(const std::string &str, const char *fmt="%Y-%m-%d %H:%M:%S.%f");
69
70    // Conversion to and from MJD
71    void Mjd(double mjd);
72    double Mjd() const;
73
74    // Check validity
75    bool IsValid() const   { return *this != boost::date_time::not_special; }
76    bool operator!() const { return *this == boost::date_time::not_special; }
77
78    // Getter
79    unsigned short Y() const  { return date().year(); }
80    unsigned short M() const  { return date().month(); }
81    unsigned short D() const  { return date().day(); }
82
83    unsigned short h() const  { return time_of_day().hours(); }
84    unsigned short m() const  { return time_of_day().minutes(); }
85    unsigned short s() const  { return time_of_day().seconds(); }
86
87    unsigned int   ms() const { return time_of_day().total_milliseconds()%1000; }
88    unsigned int   us() const { return time_of_day().total_microseconds()%1000000; }
89};
90
91std::ostream &operator<<(std::ostream &out, const _time_format &f);
92std::istream &operator>>(std::istream &in,  const _time_format &f);
93
94#endif
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