DateFormatter.c File Reference

#include "Config.h"
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include "DateFormatter.h"

Go to the source code of this file.

Macros
#define	_Class   _DateFormatter

Functions
Class *	_DateFormatter (void)
static Date *	dateFromCharacters (const DateFormatter *self, const char *chars)
static Date *	dateFromString (const DateFormatter *self, const String *string)
static void	initialize (Class *clazz)
static DateFormatter *	initWithFormat (DateFormatter *self, const char *fmt)
static String *	stringFromDate (const DateFormatter *self, const Date *date)

Macro Definition Documentation

_Class

#define _Class   _DateFormatter

Definition at line 32 of file DateFormatter.c.

Function Documentation

_DateFormatter()

Class * _DateFormatter

(

void

)

Definition at line 132 of file DateFormatter.c.

                            {
    static Class *clazz;
    static Once once;
 
    do_once(&once, {
        clazz = _initialize(&(const ClassDef) {
            .name = "DateFormatter",
            .superclass = _Object(),
            .instanceSize = sizeof(DateFormatter),
            .interfaceOffset = offsetof(DateFormatter, interface),
            .interfaceSize = sizeof(DateFormatterInterface),
            .initialize = initialize,
        });
    });
 
    return clazz;
}

dateFromCharacters()

static Date * dateFromCharacters ( const DateFormatter *  self, const char *  chars  )

static

Definition at line 40 of file DateFormatter.c.

                                                                              {
 
#if defined(_WIN32)
    fprintf(stderr, "WARNING: %s: not implemented (Windows)\n", __func__);
#else
    if (chars) {
        struct tm time;
 
        const char *res = strptime(chars, self->fmt, &time);
        if (res) {
            const Time t = { .tv_sec = mktime(&time) };
            return $(alloc(Date), initWithTime, &t);
        }
    }
#endif
 
    return NULL;
}

dateFromString()

static Date * dateFromString ( const DateFormatter *  self, const String *  string  )

static

Definition at line 63 of file DateFormatter.c.

                                                                             {
 
    if (string) {
        return $(self, dateFromCharacters, string->chars);
    }
 
    return NULL;
}

initialize()

static void initialize ( Class *  clazz )

static

See also

Class::initialize(Class *)

Definition at line 118 of file DateFormatter.c.

                                     {
 
    ((DateFormatterInterface *) clazz->interface)->dateFromCharacters = dateFromCharacters;
    ((DateFormatterInterface *) clazz->interface)->dateFromString = dateFromString;
    ((DateFormatterInterface *) clazz->interface)->initWithFormat = initWithFormat;
    ((DateFormatterInterface *) clazz->interface)->stringFromDate = stringFromDate;
 
    tzset();
}

initWithFormat()

static DateFormatter * initWithFormat ( DateFormatter *  self, const char *  fmt  )

static

Definition at line 76 of file DateFormatter.c.

                                                                           {
 
    self = (DateFormatter *) super(Object, self, init);
    if (self) {
        self->fmt = fmt ?: DATEFORMAT_ISO8601;
    }
 
    return self;
}

stringFromDate()

static String * stringFromDate ( const DateFormatter *  self, const Date *  date  )

static

Definition at line 90 of file DateFormatter.c.

                                                                           {
 
    const time_t seconds = date->time.tv_sec;
    struct tm time;
 
#if defined(_WIN32)
    int err = localtime_s(&time, &seconds);
    assert(err == 0);
#else
    ident res = localtime_r(&seconds, &time);
    assert(res == &time);
#endif
 
    char *str = calloc(1024, sizeof(char));
    assert(str);
 
    const size_t length = strftime(str, 1024, self->fmt, &time);
    str = realloc(str, length + 1 * sizeof(char));
    assert(str);
 
    return $(alloc(String), initWithMemory, str, length);
}