Objectively
Ultra-lightweight object oriented framework for GNU C.
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Date.h
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1/*
2 * Objectively: Ultra-lightweight object oriented framework for GNU C.
3 * Copyright (C) 2014 Jay Dolan <jay@jaydolan.com>
4 *
5 * This software is provided 'as-is', without any express or implied
6 * warranty. In no event will the authors be held liable for any damages
7 * arising from the use of this software.
8 *
9 * Permission is granted to anyone to use this software for any purpose,
10 * including commercial applications, and to alter it and redistribute it
11 * freely, subject to the following restrictions:
12 *
13 * 1. The origin of this software must not be misrepresented; you must not
14 * claim that you wrote the original software. If you use this software
15 * in a product, an acknowledgment in the product documentation would be
16 * appreciated but is not required.
17 *
18 * 2. Altered source versions must be plainly marked as such, and must not be
19 * misrepresented as being the original software.
20 *
21 * 3. This notice may not be removed or altered from any source distribution.
22 */
23
24#pragma once
25
26#include <time.h>
27
28#if defined(_MSC_VER)
29 #include <WinSock2.h>
30#else
31 #include <sys/time.h>
32#endif
33
34
35#include <Objectively/Object.h>
36
50#ifndef USEC_PER_SEC
51 #define USEC_PER_SEC 1000000
52#endif
53
57#ifndef SEC_PER_DAY
58 #define SEC_PER_DAY (60 * 60 * 24)
59#endif
60
64typedef struct timeval Time;
65
66typedef struct Date Date;
67typedef struct DateInterface DateInterface;
68
74struct Date {
75
80
85 DateInterface *interface;
86
91};
92
96struct DateInterface {
97
101 ObjectInterface objectInterface;
102
111 Order (*compareTo)(const Date *self, const Date *other);
112
120 Date *(*date)(void);
121
129 Date *(*dateWithTimeSinceNow)(const Time *interval);
130
138 Date *(*init)(Date *self);
139
148 Date *(*initWithTime)(Date *self, const Time *time);
149
158 Time (*timeSinceDate)(const Date *self, const Date *date);
159
167 Time (*timeSinceNow)(const Date *self);
168
177 Time (*timeSinceTime)(const Date *self, const Time *time);
178};
179
OBJECTIVELY_EXPORT Class * _Date(void)
Definition Date.c:222
struct timeval Time
Time (seconds and microseconds).
Definition Date.h:64
Object is the root Class of The Objectively Class hierarchy.
#define OBJECTIVELY_EXPORT
Definition Types.h:36
Order
Comparison constants.
Definition Types.h:70
The runtime representation of a Class.
Definition Class.h:95
Microsecond-precision immutable dates.
Definition Date.h:74
DateInterface * interface
The interface.
Definition Date.h:85
Object object
The superclass.
Definition Date.h:79
Time time
The time.
Definition Date.h:90
Object is the root Class of The Objectively Class hierarchy.
Definition Object.h:46