js/src/jsdate.h

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
   2  *
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  12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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  15  *
  16  * The Original Code is Mozilla Communicator client code, released
  17  * March 31, 1998.
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  19  * The Initial Developer of the Original Code is
  20  * Netscape Communications Corporation.
  21  * Portions created by the Initial Developer are Copyright (C) 1998
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  38  * ***** END LICENSE BLOCK ***** */
  39
  40 /*
  41  * JS Date class interface.
  42  */
  43
  44 #ifndef jsdate_h___
  45 #define jsdate_h___
  46
  47 #include "jsobj.h"
  48
  49 extern js::Class js_DateClass;
  50
  51 inline bool
  52 JSObject::isDate() const
  53 {
  54     return getClass() == &js_DateClass;
  55 }
  56
  57 extern JSObject *
  58 js_InitDateClass(JSContext *cx, JSObject *obj);
  59
  60 /*
  61  * These functions provide a C interface to the date/time object
  62  */
  63
  64 /*
  65  * Construct a new Date Object from a time value given in milliseconds UTC
  66  * since the epoch.
  67  */
  68 extern JS_FRIEND_API(JSObject*)
  69 js_NewDateObjectMsec(JSContext* cx, jsdouble msec_time);
  70
  71 /*
  72  * Construct a new Date Object from an exploded local time value.
  73  *
  74  * Assert that mon < 12 to help catch off-by-one user errors, which are common
  75  * due to the 0-based month numbering copied into JS from Java (java.util.Date
  76  * in 1995). js_DateSetMonth (below) likewise asserts month < 12.
  77  */
  78 extern JS_FRIEND_API(JSObject*)
  79 js_NewDateObject(JSContext* cx, int year, int mon, int mday,
  80                  int hour, int min, int sec);
  81
  82 /*
  83  * Detect whether the internal date value is NaN.  (Because failure is
  84  * out-of-band for js_DateGet*)
  85  */
  86 extern JS_FRIEND_API(JSBool)
  87 js_DateIsValid(JSContext *cx, JSObject* obj);
  88
  89 extern JS_FRIEND_API(int)
  90 js_DateGetYear(JSContext *cx, JSObject* obj);
  91
  92 extern JS_FRIEND_API(int)
  93 js_DateGetMonth(JSContext *cx, JSObject* obj);
  94
  95 extern JS_FRIEND_API(int)
  96 js_DateGetDate(JSContext *cx, JSObject* obj);
  97
  98 extern JS_FRIEND_API(int)
  99 js_DateGetHours(JSContext *cx, JSObject* obj);
 100
 101 extern JS_FRIEND_API(int)
 102 js_DateGetMinutes(JSContext *cx, JSObject* obj);
 103
 104 extern JS_FRIEND_API(int)
 105 js_DateGetSeconds(JSContext *cx, JSObject* obj);
 106
 107 extern JS_FRIEND_API(void)
 108 js_DateSetYear(JSContext *cx, JSObject *obj, int year);
 109
 110 extern JS_FRIEND_API(void)
 111 js_DateSetMonth(JSContext *cx, JSObject *obj, int month);
 112
 113 extern JS_FRIEND_API(void)
 114 js_DateSetDate(JSContext *cx, JSObject *obj, int date);
 115
 116 extern JS_FRIEND_API(void)
 117 js_DateSetHours(JSContext *cx, JSObject *obj, int hours);
 118
 119 extern JS_FRIEND_API(void)
 120 js_DateSetMinutes(JSContext *cx, JSObject *obj, int minutes);
 121
 122 extern JS_FRIEND_API(void)
 123 js_DateSetSeconds(JSContext *cx, JSObject *obj, int seconds);
 124
 125 extern JS_FRIEND_API(jsdouble)
 126 js_DateGetMsecSinceEpoch(JSContext *cx, JSObject *obj);
 127
 128 typedef uint32 JSIntervalTime;
 129
 130 extern JS_FRIEND_API(JSIntervalTime)
 131 js_IntervalNow();
 132
 133 /* Date constructor native. Exposed only so the JIT can know its address. */
 134 JSBool
 135 js_Date(JSContext *cx, uintN argc, js::Value *vp);
 136
 137 #endif /* jsdate_h___ */