CFDate.h
/* CFDate.h
Copyright (C) 2010 Free Software Foundation, Inc.
Written by: Stefan Bidigaray
Date: January, 2010
This file is part of GNUstep CoreBase Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; see the file COPYING.LIB.
If not, see <http://www.gnu.org/licenses/> or write to the
Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef __COREFOUNDATION_CFDATE_H__
#define __COREFOUNDATION_CFDATE_H__
#include <CoreFoundation/CFBase.h>
CF_EXTERN_C_BEGIN
typedef const struct __CFDate *CFDateRef;
typedef const struct __CFTimeZone *CFTimeZoneRef;
typedef double CFTimeInterval;
typedef CFTimeInterval CFAbsoluteTime;
typedef struct CFGregorianDate CFGregorianDate;
struct CFGregorianDate
{
SInt32 year;
SInt8 month;
SInt8 day;
SInt8 hour;
SInt8 minute;
double second;
};
typedef struct CFGregorianUnits CFGregorianUnits;
struct CFGregorianUnits
{
SInt32 years;
SInt32 months;
SInt32 days;
SInt32 hours;
SInt32 minutes;
double seconds;
};
typedef enum
{
kCFGregorianUnitsYears = (1 << 0),
kCFGregorianUnitsMonths = (1 << 1),
kCFGregorianUnitsDays = (1 << 2),
kCFGregorianUnitsHours = (1 << 3),
kCFGregorianUnitsMinutes = (1 << 4),
kCFGregorianUnitsSeconds = (1 << 5),
kCFGregorianAllUnits = 0x00FFFFFF
} CFGregorianUnitFlags;
CF_EXPORT const CFTimeInterval kCFAbsoluteTimeIntervalSince1970;
CF_EXPORT const CFTimeInterval kCFAbsoluteTimeIntervalSince1904;
CF_EXPORT CFAbsoluteTime
CFAbsoluteTimeAddGregorianUnits (CFAbsoluteTime at, CFTimeZoneRef tz,
CFGregorianUnits units);
CF_EXPORT CFAbsoluteTime CFAbsoluteTimeGetCurrent (void);
CF_EXPORT SInt32
CFAbsoluteTimeGetDayOfWeek (CFAbsoluteTime at, CFTimeZoneRef tz);
CF_EXPORT SInt32
CFAbsoluteTimeGetDayOfYear (CFAbsoluteTime at, CFTimeZoneRef tz);
CF_EXPORT CFGregorianUnits
CFAbsoluteTimeGetDifferenceAsGregorianUnits (CFAbsoluteTime at1,
CFAbsoluteTime at2,
CFTimeZoneRef tz,
CFOptionFlags unitFlags);
CF_EXPORT CFGregorianDate
CFAbsoluteTimeGetGregorianDate (CFAbsoluteTime at, CFTimeZoneRef tz);
CF_EXPORT SInt32
CFAbsoluteTimeGetWeekOfYear (CFAbsoluteTime at, CFTimeZoneRef tz);
CF_EXPORT CFAbsoluteTime
CFGregorianDateGetAbsoluteTime (CFGregorianDate gdate, CFTimeZoneRef tz);
CF_EXPORT Boolean
CFGregorianDateIsValid (CFGregorianDate gdate, CFOptionFlags unitFlags);
CF_EXPORT CFComparisonResult
CFDateCompare (CFDateRef theDate, CFDateRef otherDate, void *context);
CF_EXPORT CFDateRef CFDateCreate (CFAllocatorRef allocator, CFAbsoluteTime at);
CF_EXPORT CFAbsoluteTime CFDateGetAbsoluteTime (CFDateRef theDate);
CF_EXPORT CFTimeInterval
CFDateGetTimeIntervalSinceDate (CFDateRef theDate, CFDateRef otherDate);
CF_EXPORT CFTypeID CFDateGetTypeID (void);
CF_EXTERN_C_END
#endif /* __COREFOUNDATION_CFDATE_H__ */
CFOptionFlags
unsigned long CFOptionFlags
Definition CFBase.h:163
CFAllocatorRef
const struct __CFAllocator * CFAllocatorRef
A reference to a CFAllocator object.
Definition CFBase.h:301
CFGregorianDate
Definition CFDate.h:50
CFGregorianUnits
Definition CFDate.h:61