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CFDate.h
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上传用户：xjjlds
上传日期：2015-12-05
资源大小：22823k
文件大小：4k
源码类别：

多媒体编程

开发平台：

Visual C++

CFDate.h：源码内容
  1. /*
  2.      File:       CFDate.h
  3.  
  4.      Contains:   CoreFoundation date
  5.  
  6.      Version:    Technology: Mac OS X
  7.                  Release:    QuickTime 6.0.2
  8.  
  9.      Copyright:  (c) 1999-2001 by Apple Computer, Inc., all rights reserved
  10.  
  11.      Bugs?:      For bug reports, consult the following page on
  12.                  the World Wide Web:
  13.  
  14.                      http://developer.apple.com/bugreporter/
  15.  
  16. */
  17. #ifndef __CFDATE__
  18. #define __CFDATE__
  20. #ifndef __CFBASE__
  21. #include "CFBase.h"
  22. #endif
  28. #if PRAGMA_ONCE
  29. #pragma once
  30. #endif
  32. #ifdef __cplusplus
  33. extern "C" {
  34. #endif
  36. #if PRAGMA_IMPORT
  37. #pragma import on
  38. #endif
  40. #if PRAGMA_STRUCT_ALIGN
  41.     #pragma options align=mac68k
  42. #elif PRAGMA_STRUCT_PACKPUSH
  43.     #pragma pack(push, 2)
  44. #elif PRAGMA_STRUCT_PACK
  45.     #pragma pack(2)
  46. #endif
  48. typedef double                          CFTimeInterval;
  49. typedef CFTimeInterval                  CFAbsoluteTime;
  50. /* absolute time is the time interval since the reference date */
  51. /* the reference date (epoch) is 00:00:00 1 January 2001. */
  53. EXTERN_API_C( CFAbsoluteTime )
  54. CFAbsoluteTimeGetCurrent        (void);
  56. extern const CFAbsoluteTime kCFAbsoluteTimeIntervalSince1970;
  57. extern const CFAbsoluteTime kCFAbsoluteTimeIntervalSince1904;
  58. typedef const struct __CFDate * CFDateRef;
  59. EXTERN_API_C( CFTypeID )
  60. CFDateGetTypeID                 (void);
  63. EXTERN_API_C( CFDateRef )
  64. CFDateCreate                    (CFAllocatorRef         allocator,
  65.                                  CFAbsoluteTime         at);
  68. EXTERN_API_C( CFAbsoluteTime )
  69. CFDateGetAbsoluteTime           (CFDateRef              date);
  71. EXTERN_API_C( CFTimeInterval )
  72. CFDateGetTimeIntervalSinceDate  (CFDateRef              date,
  73.                                  CFDateRef              otherDate);
  75. EXTERN_API_C( CFComparisonResult )
  76. CFDateCompare                   (CFDateRef              date,
  77.                                  CFDateRef              otherDate,
  78.                                  void *                 context);
  80. #if !defined(__CFTIMEZONE_STRUCT__)
  81.     #define __CFTIMEZONE_STRUCT__ 1
  82.     typedef const struct __CFTimeZone * CFTimeZoneRef;
  83. #endif
  85. struct CFGregorianDate {
  86.     SInt32                          year;
  87.     SInt8                           month;
  88.     SInt8                           day;
  89.     SInt8                           hour;
  90.     SInt8                           minute;
  91.     double                          second;
  92. };
  93. typedef struct CFGregorianDate          CFGregorianDate;
  95. struct CFGregorianUnits {
  96.     SInt32                          years;
  97.     SInt32                          months;
  98.     SInt32                          days;
  99.     SInt32                          hours;
  100.     SInt32                          minutes;
  101.     double                          seconds;
  102. };
  103. typedef struct CFGregorianUnits         CFGregorianUnits;
  104. enum {
  105.     kCFGregorianUnitsYears      = (1 << 0),
  106.     kCFGregorianUnitsMonths     = (1 << 1),
  107.     kCFGregorianUnitsDays       = (1 << 2),
  108.     kCFGregorianUnitsHours      = (1 << 3),
  109.     kCFGregorianUnitsMinutes    = (1 << 4),
  110.     kCFGregorianUnitsSeconds    = (1 << 5),
  111.     kCFGregorianAllUnits        = 0x00FFFFFF
  112. };
  115. EXTERN_API_C( Boolean )
  116. CFGregorianDateIsValid          (CFGregorianDate        gdate,
  117.                                  CFOptionFlags          unitFlags);
  119. EXTERN_API_C( CFAbsoluteTime )
  120. CFGregorianDateGetAbsoluteTime  (CFGregorianDate        gdate,
  121.                                  CFTimeZoneRef          tz);
  123. EXTERN_API_C( CFGregorianDate )
  124. CFAbsoluteTimeGetGregorianDate  (CFAbsoluteTime         at,
  125.                                  CFTimeZoneRef          tz);
  127. EXTERN_API_C( SInt32 )
  128. CFAbsoluteTimeGetDayOfWeek      (CFAbsoluteTime         at,
  129.                                  CFTimeZoneRef          tz);
  131. EXTERN_API_C( SInt32 )
  132. CFAbsoluteTimeGetDayOfYear      (CFAbsoluteTime         at,
  133.                                  CFTimeZoneRef          tz);
  135. EXTERN_API_C( SInt32 )
  136. CFAbsoluteTimeGetWeekOfYear     (CFAbsoluteTime         at,
  137.                                  CFTimeZoneRef          tz);
  140. #if PRAGMA_STRUCT_ALIGN
  141.     #pragma options align=reset
  142. #elif PRAGMA_STRUCT_PACKPUSH
  143.     #pragma pack(pop)
  144. #elif PRAGMA_STRUCT_PACK
  145.     #pragma pack()
  146. #endif
  148. #ifdef PRAGMA_IMPORT_OFF
  149. #pragma import off
  150. #elif PRAGMA_IMPORT
  151. #pragma import reset
  152. #endif
  154. #ifdef __cplusplus
  155. }
  156. #endif
  158. #endif /* __CFDATE__ */