php-src/ext/date/lib/timelib.c

287 lines
7.2 KiB
C

/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2010 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> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#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;
}
timelib_rel_time* timelib_rel_time_ctor(void)
{
timelib_rel_time *t;
t = calloc(1, sizeof(timelib_rel_time));
return t;
}
timelib_time* timelib_time_clone(timelib_time *orig)
{
timelib_time *tmp = timelib_time_ctor();
memcpy(tmp, orig, sizeof(timelib_time));
if (orig->tz_abbr) {
tmp->tz_abbr = strdup(orig->tz_abbr);
}
if (orig->tz_info) {
tmp->tz_info = orig->tz_info;
}
return tmp;
}
timelib_rel_time* timelib_rel_time_clone(timelib_rel_time *rel)
{
timelib_rel_time *tmp = timelib_rel_time_ctor();
memcpy(tmp, rel, sizeof(timelib_rel_time));
return tmp;
}
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);
}
void timelib_rel_time_dtor(timelib_rel_time* t)
{
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->location.comments);
TIMELIB_TIME_FREE(tz);
tz = NULL;
}
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;
}
}
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->relative.first_last_day_of != 0) {
switch (d->relative.first_last_day_of) {
case 1:
printf(" / first day of");
break;
case 2:
printf(" / last day of");
break;
}
}
if (d->relative.have_weekday_relative) {
printf(" / %d.%d", d->relative.weekday, d->relative.weekday_behavior);
}
if (d->relative.have_special_relative) {
switch (d->relative.special.type) {
case TIMELIB_SPECIAL_WEEKDAY:
printf(" / %lld weekday", d->relative.special.amount);
break;
case TIMELIB_SPECIAL_DAY_OF_WEEK_IN_MONTH:
printf(" / x y of z month");
break;
case TIMELIB_SPECIAL_LAST_DAY_OF_WEEK_IN_MONTH:
printf(" / last y of z month");
break;
}
}
}
}
printf("\n");
}
void timelib_dump_rel_time(timelib_rel_time *d)
{
printf("%3lldY %3lldM %3lldD / %3lldH %3lldM %3lldS (days: %lld)%s",
d->y, d->m, d->d, d->h, d->i, d->s, d->days, d->invert ? " inverted" : "");
if (d->first_last_day_of != 0) {
switch (d->first_last_day_of) {
case 1:
printf(" / first day of");
break;
case 2:
printf(" / last day of");
break;
}
}
printf("\n");
}