atltime.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef GRAPHICS_MFC_ATLTIME_H
#define GRAPHICS_MFC_ATLTIME_H

#include "graphics/mfc/minwindef.h"
#include "graphics/mfc/afxstr.h"

namespace Graphics {
namespace MFC {

class CTimeSpan {
public:
    CTimeSpan();
    CTimeSpan(int64 time);
    CTimeSpan(
        long lDays,
        int nHours,
        int nMins,
        int nSecs);

    int64 GetDays() const;
    int64 GetTotalHours() const;
    long GetHours() const;
    int64 GetTotalMinutes() const;
    long GetMinutes() const;
    int64 GetTotalSeconds() const;
    long GetSeconds() const;

    int64 GetTimeSpan() const;

    CTimeSpan operator+(CTimeSpan span) const;
    CTimeSpan operator-(CTimeSpan span) const;
    CTimeSpan &operator+=(CTimeSpan span);
    CTimeSpan &operator-=(CTimeSpan span);
    bool operator==(CTimeSpan span) const;
    bool operator!=(CTimeSpan span) const;
    bool operator<(CTimeSpan span) const;
    bool operator>(CTimeSpan span) const;
    bool operator<=(CTimeSpan span) const;
    bool operator>=(CTimeSpan span) const;

public:
    CString Format(const char *pszFormat) const;
    CString Format(unsigned int nID) const;

private:
    int64 m_timeSpan;
};

class CTime {
public:
    static CTime WINAPI GetCurrentTime();
    static bool WINAPI IsValidFILETIME(const FILETIME &ft);

    CTime();
    CTime(int64 time);
    CTime(
        int nYear,
        int nMonth,
        int nDay,
        int nHour,
        int nMin,
        int nSec,
        int nDST = -1);
    CTime(
        uint16 wDosDate,
        uint16 wDosTime,
        int nDST = -1);
    CTime(
        const SYSTEMTIME &st,
        int nDST = -1);
    CTime(
        const FILETIME &ft,
        int nDST = -1);

    CTime &operator=(int64 time);

    CTime &operator+=(CTimeSpan span);
    CTime &operator-=(CTimeSpan span);

    CTimeSpan operator-(CTime time) const;
    CTime operator-(CTimeSpan span) const;
    CTime operator+(CTimeSpan span) const;

    bool operator==(CTime time) const;
    bool operator!=(CTime time) const;
    bool operator<(CTime time) const;
    bool operator>(CTime time) const;
    bool operator<=(CTime time) const;
    bool operator>=(CTime time) const;

    int64 GetTime() const;

    int GetYear() const;
    int GetMonth() const;
    int GetDay() const;
    int GetHour() const;
    int GetMinute() const;
    int GetSecond() const;
    int GetDayOfWeek() const;

    // formatting using "C" strftime
    CString Format(const char *pszFormat) const;
    CString FormatGmt(const char *pszFormat) const;
    CString Format(unsigned int nFormatID) const;
    CString FormatGmt(unsigned int nFormatID) const;

private:
    int64 m_time;
};

class CFileTimeSpan {
public:
    CFileTimeSpan();
    CFileTimeSpan(const CFileTimeSpan &span);
    CFileTimeSpan(int64 nSpan);

    CFileTimeSpan &operator=(const CFileTimeSpan &span);

    CFileTimeSpan &operator+=(CFileTimeSpan span);
    CFileTimeSpan &operator-=(CFileTimeSpan span);

    CFileTimeSpan operator+(CFileTimeSpan span) const;
    CFileTimeSpan operator-(CFileTimeSpan span) const;

    bool operator==(CFileTimeSpan span) const;
    bool operator!=(CFileTimeSpan span) const;
    bool operator<(CFileTimeSpan span) const;
    bool operator>(CFileTimeSpan span) const;
    bool operator<=(CFileTimeSpan span) const;
    bool operator>=(CFileTimeSpan span) const;

    int64 GetTimeSpan() const;
    void SetTimeSpan(int64 nSpan);

protected:
    int64 m_nSpan;
};

class CFileTime : public FILETIME {
public:
    CFileTime();
    CFileTime(const FILETIME &ft);
    CFileTime(uint64 nTime);

    static CFileTime WINAPI GetCurrentTime();

    CFileTime &operator=(const FILETIME &ft);

    CFileTime &operator+=(CFileTimeSpan span);
    CFileTime &operator-=(CFileTimeSpan span);

    CFileTime operator+(CFileTimeSpan span) const;
    CFileTime operator-(CFileTimeSpan span) const;
    CFileTimeSpan operator-(CFileTime ft) const;

    bool operator==(CFileTime ft) const;
    bool operator!=(CFileTime ft) const;
    bool operator<(CFileTime ft) const;
    bool operator>(CFileTime ft) const;
    bool operator<=(CFileTime ft) const;
    bool operator>=(CFileTime ft) const;

    uint64 GetTime() const;
    void SetTime(uint64 nTime);

    CFileTime UTCToLocal() const;
    CFileTime LocalToUTC() const;

    static const uint64 Millisecond = 10000;
    static const uint64 Second = Millisecond * static_cast<uint64>(1000);
    static const uint64 Minute = Second * static_cast<uint64>(60);
    static const uint64 Hour = Minute * static_cast<uint64>(60);
    static const uint64 Day = Hour * static_cast<uint64>(24);
    static const uint64 Week = Day * static_cast<uint64>(7);
};

} // namespace MFC
} // namespace Graphics

#endif