Date.h

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/*
 * Objectively: Ultra-lightweight object oriented framework for GNU C.
 * Copyright (C) 2014 Jay Dolan <jay@jaydolan.com>
 *
 * This software is provided 'as-is', without any express or implied
 * warranty. In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 * claim that you wrote the original software. If you use this software
 * in a product, an acknowledgment in the product documentation would be
 * appreciated but is not required.
 *
 * 2. Altered source versions must be plainly marked as such, and must not be
 * misrepresented as being the original software.
 *
 * 3. This notice may not be removed or altered from any source distribution.
 */
 
#pragma once
 
#include <time.h>
 
#if defined(_MSC_VER)
 #include <WinSock2.h>
#else
 #include <sys/time.h>
#endif
 
 
#include <Objectively/Object.h>
 
#define MSEC_PER_SEC 1000000
 
#define SEC_PER_DAY (60 * 60 * 24)
 
typedef struct timeval Time;
 
typedef struct Date Date;
typedef struct DateInterface DateInterface;
 
struct Date {
 
    Object object;
 
    DateInterface *interface;
 
    Time time;
};
 
struct DateInterface {
 
    ObjectInterface objectInterface;
 
    Order (*compareTo)(const Date *self, const Date *other);
 
    Date *(*date)(void);
 
    Date *(*dateWithTimeSinceNow)(const Time *interval);
 
    Date *(*init)(Date *self);
 
    Date *(*initWithTime)(Date *self, const Time *time);
 
    Time (*timeSinceDate)(const Date *self, const Date *date);
 
    Time (*timeSinceNow)(const Date *self);
 
    Time (*timeSinceTime)(const Date *self, const Time *time);
};
 
OBJECTIVELY_EXPORT Class *_Date(void);