root/ext/date/lib/timelib.c

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DEFINITIONS

This source file includes following definitions.
  1. timelib_time_ctor
  2. timelib_time_tz_abbr_update
  3. timelib_time_dtor
  4. timelib_time_offset_ctor
  5. timelib_time_offset_dtor
  6. timelib_tzinfo_ctor
  7. timelib_tzinfo_clone
  8. timelib_tzinfo_dtor
  9. timelib_get_tz_abbr_ptr
  10. timelib_error_container_dtor
  11. timelib_date_to_int
  12. timelib_decimal_hour_to_hms
  13. timelib_dump_date

/*
   +----------------------------------------------------------------------+
   | PHP Version 5                                                        |
   +----------------------------------------------------------------------+
   | Copyright (c) 1997-2008 The PHP Group                                |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.01 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | http://www.php.net/license/3_01.txt                                  |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
   | Authors: Derick Rethans <derick@derickrethans.nl>                    |
   +----------------------------------------------------------------------+
 */

/* $Id: timelib.c,v 1.7.2.4.2.7 2007/12/31 07:20:05 sebastian Exp $ */

#include "timelib.h"
#include <ctype.h>
#include <math.h>

#define TIMELIB_TIME_FREE(m)    \
        if (m) {                \
                free(m);        \
                m = NULL;       \
        }                       \

#define TIMELIB_LLABS(y) (y < 0 ? (y * -1) : y)

timelib_time* timelib_time_ctor(void)
{
        timelib_time *t;
        t = calloc(1, sizeof(timelib_time));

        return t;
}

void timelib_time_tz_abbr_update(timelib_time* tm, char* tz_abbr)
{
        unsigned int i;
        
        TIMELIB_TIME_FREE(tm->tz_abbr);
        tm->tz_abbr = strdup(tz_abbr);
        for (i = 0; i < strlen(tz_abbr); i++) {
                tm->tz_abbr[i] = toupper(tz_abbr[i]);
        }
}

void timelib_time_dtor(timelib_time* t)
{
        TIMELIB_TIME_FREE(t->tz_abbr);
        TIMELIB_TIME_FREE(t);
}

timelib_time_offset* timelib_time_offset_ctor(void)
{
        timelib_time_offset *t;
        t = calloc(1, sizeof(timelib_time_offset));

        return t;
}

void timelib_time_offset_dtor(timelib_time_offset* t)
{
        TIMELIB_TIME_FREE(t->abbr);
        TIMELIB_TIME_FREE(t);
}

timelib_tzinfo* timelib_tzinfo_ctor(char *name)
{
        timelib_tzinfo *t;
        t = calloc(1, sizeof(timelib_tzinfo));
        t->name = strdup(name);

        return t;
}

timelib_tzinfo *timelib_tzinfo_clone(timelib_tzinfo *tz)
{
        timelib_tzinfo *tmp = timelib_tzinfo_ctor(tz->name);
        tmp->ttisgmtcnt = tz->ttisgmtcnt;
        tmp->ttisstdcnt = tz->ttisstdcnt;
        tmp->leapcnt = tz->leapcnt;
        tmp->timecnt = tz->timecnt;
        tmp->typecnt = tz->typecnt;
        tmp->charcnt = tz->charcnt;
        
        tmp->trans = (int32_t *) malloc(tz->timecnt * sizeof(int32_t));
        tmp->trans_idx = (unsigned char*) malloc(tz->timecnt * sizeof(unsigned char));
        memcpy(tmp->trans, tz->trans, tz->timecnt * sizeof(int32_t));
        memcpy(tmp->trans_idx, tz->trans_idx, tz->timecnt * sizeof(unsigned char));

        tmp->type = (ttinfo*) malloc(tz->typecnt * sizeof(struct ttinfo));
        memcpy(tmp->type, tz->type, tz->typecnt * sizeof(struct ttinfo));

        tmp->timezone_abbr = (char*) malloc(tz->charcnt);
        memcpy(tmp->timezone_abbr, tz->timezone_abbr, tz->charcnt);

        tmp->leap_times = (tlinfo*) malloc(tz->leapcnt * sizeof(tlinfo));
        memcpy(tmp->leap_times, tz->leap_times, tz->leapcnt * sizeof(tlinfo));

        return tmp;
}

void timelib_tzinfo_dtor(timelib_tzinfo *tz)
{
        TIMELIB_TIME_FREE(tz->name);
        TIMELIB_TIME_FREE(tz->trans);
        TIMELIB_TIME_FREE(tz->trans_idx);
        TIMELIB_TIME_FREE(tz->type);
        TIMELIB_TIME_FREE(tz->timezone_abbr);
        TIMELIB_TIME_FREE(tz->leap_times);
        TIMELIB_TIME_FREE(tz);
}

char *timelib_get_tz_abbr_ptr(timelib_time *t)
{
        if (!t->sse_uptodate) {
                timelib_update_ts(t, NULL);
        };
        return t->tz_abbr;
}

void timelib_error_container_dtor(timelib_error_container *errors)
{
        int i;

        for (i = 0; i < errors->warning_count; i++) {
                free(errors->warning_messages[i].message);
        }
        free(errors->warning_messages);
        for (i = 0; i < errors->error_count; i++) {
                free(errors->error_messages[i].message);
        }
        free(errors->error_messages);
        free(errors);
}

signed long timelib_date_to_int(timelib_time *d, int *error)
{
        timelib_sll ts;

        ts = d->sse;

        if (ts < LONG_MIN || ts > LONG_MAX) {
                if (error) {
                        *error = 1;
                }
                return 0;
        }
        if (error) {
                *error = 0;
        }
        return (signed long) d->sse;
}

void timelib_decimal_hour_to_hms(double h, int *hour, int *min, int *sec)
{
        *hour = floor(h);
        *min =  floor((h - *hour) * 60);
        *sec =  (h - *hour - ((float) *min / 60)) * 3600;
}

void timelib_dump_date(timelib_time *d, int options)
{
        if ((options & 2) == 2) {
                printf("TYPE: %d ", d->zone_type);
        }
        printf("TS: %lld | %s%04lld-%02lld-%02lld %02lld:%02lld:%02lld",
                d->sse, d->y < 0 ? "-" : "", TIMELIB_LLABS(d->y), d->m, d->d, d->h, d->i, d->s);
        if (d->f > +0.0) {
                printf(" %.5f", d->f);
        }

        if (d->is_localtime) {
                switch (d->zone_type) {
                        case TIMELIB_ZONETYPE_OFFSET: /* Only offset */
                                printf(" GMT %05d%s", d->z, d->dst == 1 ? " (DST)" : "");
                                break;
                        case TIMELIB_ZONETYPE_ID: /* Timezone struct */
                                /* Show abbreviation if wanted */
                                if (d->tz_abbr) {
                                        printf(" %s", d->tz_abbr);
                                }
                                /* Do we have a TimeZone struct? */
                                if (d->tz_info) {
                                        printf(" %s", d->tz_info->name);
                                }
                                break;
                        case TIMELIB_ZONETYPE_ABBR:
                                printf(" %s", d->tz_abbr);
                                printf(" %05d%s", d->z, d->dst == 1 ? " (DST)" : "");
                                break;
                }
        } else {
                printf(" GMT 00000");
        }

        if ((options & 1) == 1) {
                if (d->have_relative) {
                        printf("%3lldY %3lldM %3lldD / %3lldH %3lldM %3lldS", 
                                d->relative.y, d->relative.m, d->relative.d, d->relative.h, d->relative.i, d->relative.s);
                }
                if (d->have_weekday_relative) {
                        printf(" / %d.%d", d->relative.weekday, d->relative.weekday_behavior);
                }
                if (d->have_special_relative) {
                        switch (d->special.type) {
                                case TIMELIB_SPECIAL_WEEKDAY:
                                        printf(" / %lld weekday", d->special.amount);
                                        break;
                        }
                }
        }
        printf("\n");
}


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