Timestamp.h

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/*
* Copyright Onix Solutions Limited [OnixS]. All rights reserved.
*
* This software owned by Onix Solutions Limited [OnixS] and is protected by copyright law
* and international copyright treaties.
*
* Access to and use of the software is governed by the terms of the applicable OnixS Software
* Services Agreement (the Agreement) and Customer end user license agreements granting
* a non-assignable, non-transferable and non-exclusive license to use the software
* for it's own data processing purposes under the terms defined in the Agreement.
*
* Except as otherwise granted within the terms of the Agreement, copying or reproduction of any part
* of this source code or associated reference material to any other location for further reproduction
* or redistribution, and any amendments to this copyright notice, are expressly prohibited.
*
* Any reproduction or redistribution for sale or hiring of the Software not in accordance with
* the terms of the Agreement is a violation of copyright law.
*/
 
#pragma once
 
#include <string>
 
#include <OnixS/FIXEngine/ABI.h>
#include <OnixS/FIXEngine/FIX/TimeSpan.h>
 
namespace OnixS {
namespace FIX {
typedef Amount Year;
typedef Amount Day;
 
typedef Amount Hour;
typedef Amount Minute;
typedef Amount Second;
 
typedef Amount Millisecond;
typedef Amount Microsecond;
typedef Amount Nanosecond;
typedef HugeAmount Picosecond;

struct ONIXS_FIXENGINE_API Month {
    enum Enum {
        Undefined,
        January,
        February,
        March,
        April,
        May,
        June,
        July,
        August,
        September,
        October,
        November,
        December
    };
};

struct ONIXS_FIXENGINE_API YearMonthDay {
    Year year;
    Month::Enum month;
    Day day;
};

struct ONIXS_FIXENGINE_API TimestampFormat {
    enum Enum {
        YYYYMMDD,

        YYYYMMDDHHMMSS,

        YYYYMMDDHHMMSSMsec,

        YYYYMMDDHHMMSSUsec,

        YYYYMMDDHHMMSSNsec,

        YYYYMMDDHHMMSSPsec
    };
};

class ONIXS_FIXENGINE_API Timestamp
{
public:
    Timestamp();

    Timestamp(
        TotalSeconds seconds,
        Nanosecond nanosecond);

    Timestamp(
        TotalSeconds seconds,
        Picosecond picosecond);

    Timestamp(
        Year year, Month::Enum month, Day day,
        Hour hour = 0, Minute minute = 0, Second second = 0,
        Nanosecond nanosecond = 0);

    Timestamp(
        Year year, Month::Enum month, Day day,
        Hour hour, Minute minute, Second second,
        Picosecond picosecond);

    explicit Timestamp(TotalNanoseconds unixTimestampNanoseconds);

    Year year() const;

    Month::Enum month() const;

    Day day() const;

    void date(YearMonthDay &) const;

    Hour hour() const;

    Minute minute() const;

    Second second() const;

    Millisecond millisecond() const;

    Microsecond microsecond() const;

    Nanosecond nanosecond() const;

    Picosecond picosecond() const;

    TotalSeconds totalSeconds() const;

    bool operator == (const Timestamp &) const;

    bool operator != (const Timestamp &) const;

    bool operator < (const Timestamp &) const;

    Timestamp & operator += (const TimeSpan &);

    Timestamp & operator -= (const TimeSpan &);

    TimeSpan operator - (const Timestamp &);

    std::string
    toString(
        TimestampFormat::Enum =
            TimestampFormat::YYYYMMDDHHMMSSNsec) const;

    void
    toString(
        std::string & str,
        TimestampFormat::Enum =
            TimestampFormat::YYYYMMDDHHMMSSNsec) const;

    TotalNanoseconds toUnixNanosecondTimestamp() const;

    static Timestamp utc();

    static Timestamp local();

    static
    Timestamp
    parse(
        const std::string &,
        TimestampFormat::Enum =
            TimestampFormat::YYYYMMDDHHMMSSNsec);
 
private:
    friend class TimeManager;
 
    TotalSeconds totalSeconds_;
    Picosecond picoseconds_;
};
 
inline
Timestamp::Timestamp(
    TotalSeconds totalSeconds, Nanosecond subseconds)
    : totalSeconds_(totalSeconds),
      picoseconds_(subseconds * static_cast<Picosecond>(TimeDetails::PicosecondsPerNanosecond))
{
}
 
inline
Timestamp::Timestamp(
    TotalSeconds totalSeconds, Picosecond subseconds)
    : totalSeconds_(totalSeconds),
      picoseconds_(subseconds)
{
}
 
inline
TotalSeconds
Timestamp::totalSeconds() const
{
    return totalSeconds_;
}
 
inline
Millisecond
Timestamp::millisecond() const
{
    return static_cast<Millisecond>(picoseconds_ / TimeDetails::PicosecondsPerMillisecond);
}
 
inline
Microsecond
Timestamp::microsecond() const
{
    return static_cast<Microsecond>(picoseconds_ / TimeDetails::PicosecondsPerMicrosecond);
}
 
inline
Nanosecond
Timestamp::nanosecond() const
{
    return static_cast<Nanosecond>(picoseconds_ / TimeDetails::PicosecondsPerNanosecond);
}
 
inline
Picosecond
Timestamp::picosecond() const
{
    return picoseconds_;
}
 
inline
std::string
Timestamp::toString(
    TimestampFormat::Enum format) const
{
    std::string str;
 
    toString(str, format);
 
    return str;
}
}
}