root/ext/calendar/calendar.c

/* [<][>][^][v][top][bottom][index][help] */

DEFINITIONS

This source file includes following definitions.
  1. ZEND_GET_MODULE
  2. PHP_MINIT_FUNCTION
  3. PHP_MINFO_FUNCTION
  4. _php_cal_info
  5. PHP_FUNCTION
  6. PHP_FUNCTION
  7. PHP_FUNCTION
  8. PHP_FUNCTION
  9. PHP_FUNCTION
  10. PHP_FUNCTION
  11. PHP_FUNCTION
  12. PHP_FUNCTION
  13. heb_number_to_chars
  14. PHP_FUNCTION
  15. PHP_FUNCTION
  16. PHP_FUNCTION
  17. PHP_FUNCTION
  18. PHP_FUNCTION
  19. PHP_FUNCTION

/*
   +----------------------------------------------------------------------+
   | PHP Version 5                                                        |
   +----------------------------------------------------------------------+
   | Copyright (c) 1997-2013 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: Shane Caraveo             <shane@caraveo.com>               | 
   |          Colin Viebrock            <colin@easydns.com>               |
   |          Hartmut Holzgraefe        <hholzgra@php.net>                |
   |          Wez Furlong               <wez@thebrainroom.com>            |
   +----------------------------------------------------------------------+
 */
/* $Id$ */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#ifdef PHP_WIN32
#define _WINNLS_
#endif

#include "php.h"
#include "ext/standard/info.h"
#include "php_calendar.h"
#include "sdncal.h"

#include <stdio.h>

/* {{{ arginfo */
ZEND_BEGIN_ARG_INFO_EX(arginfo_unixtojd, 0, 0, 0)
        ZEND_ARG_INFO(0, timestamp)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO(arginfo_jdtounix, 0)
        ZEND_ARG_INFO(0, jday)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_cal_info, 0, 0, 0)
        ZEND_ARG_INFO(0, calendar)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO(arginfo_cal_days_in_month, 0)
        ZEND_ARG_INFO(0, calendar)
        ZEND_ARG_INFO(0, month)
        ZEND_ARG_INFO(0, year)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO(arginfo_cal_to_jd, 0)
        ZEND_ARG_INFO(0, calendar)
        ZEND_ARG_INFO(0, month)
        ZEND_ARG_INFO(0, day)
        ZEND_ARG_INFO(0, year)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO(arginfo_cal_from_jd, 0)
        ZEND_ARG_INFO(0, jd)
        ZEND_ARG_INFO(0, calendar)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO(arginfo_jdtogregorian, 0)
        ZEND_ARG_INFO(0, juliandaycount)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO(arginfo_gregoriantojd, 0)
        ZEND_ARG_INFO(0, month)
        ZEND_ARG_INFO(0, day)
        ZEND_ARG_INFO(0, year)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO(arginfo_jdtojulian, 0)
        ZEND_ARG_INFO(0, juliandaycount)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO(arginfo_juliantojd, 0)
        ZEND_ARG_INFO(0, month)
        ZEND_ARG_INFO(0, day)
        ZEND_ARG_INFO(0, year)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_jdtojewish, 0, 0, 1)
        ZEND_ARG_INFO(0, juliandaycount)
        ZEND_ARG_INFO(0, hebrew)
        ZEND_ARG_INFO(0, fl)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO(arginfo_jewishtojd, 0)
        ZEND_ARG_INFO(0, month)
        ZEND_ARG_INFO(0, day)
        ZEND_ARG_INFO(0, year)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO(arginfo_jdtofrench, 0)
        ZEND_ARG_INFO(0, juliandaycount)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO(arginfo_frenchtojd, 0)
        ZEND_ARG_INFO(0, month)
        ZEND_ARG_INFO(0, day)
        ZEND_ARG_INFO(0, year)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_jddayofweek, 0, 0, 1)
        ZEND_ARG_INFO(0, juliandaycount)
        ZEND_ARG_INFO(0, mode)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO(arginfo_jdmonthname, 0)
        ZEND_ARG_INFO(0, juliandaycount)
        ZEND_ARG_INFO(0, mode)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_easter_date, 0, 0, 0)
        ZEND_ARG_INFO(0, year)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_easter_days, 0, 0, 0)
        ZEND_ARG_INFO(0, year)
        ZEND_ARG_INFO(0, method)
ZEND_END_ARG_INFO()

/* }}} */

const zend_function_entry calendar_functions[] = {
        PHP_FE(jdtogregorian, arginfo_jdtogregorian)
        PHP_FE(gregoriantojd, arginfo_gregoriantojd)
        PHP_FE(jdtojulian, arginfo_jdtojulian)
        PHP_FE(juliantojd, arginfo_juliantojd)
        PHP_FE(jdtojewish, arginfo_jdtojewish)
        PHP_FE(jewishtojd, arginfo_jewishtojd)
        PHP_FE(jdtofrench, arginfo_jdtofrench)
        PHP_FE(frenchtojd, arginfo_frenchtojd)
        PHP_FE(jddayofweek, arginfo_jddayofweek)
        PHP_FE(jdmonthname, arginfo_jdmonthname)
        PHP_FE(easter_date, arginfo_easter_date)
        PHP_FE(easter_days, arginfo_easter_days)
        PHP_FE(unixtojd, arginfo_unixtojd)
        PHP_FE(jdtounix, arginfo_jdtounix)
        PHP_FE(cal_to_jd, arginfo_cal_to_jd)
        PHP_FE(cal_from_jd, arginfo_cal_from_jd)
        PHP_FE(cal_days_in_month, arginfo_cal_days_in_month)
        PHP_FE(cal_info, arginfo_cal_info)
        PHP_FE_END
};


zend_module_entry calendar_module_entry = {
        STANDARD_MODULE_HEADER,
        "calendar",
        calendar_functions,
        PHP_MINIT(calendar),
        NULL,
        NULL,
        NULL,
        PHP_MINFO(calendar),
        NO_VERSION_YET,
        STANDARD_MODULE_PROPERTIES,
};

#ifdef COMPILE_DL_CALENDAR
ZEND_GET_MODULE(calendar)
#endif

/* this order must match the conversion table below */
enum cal_name_type_t {
        CAL_GREGORIAN = 0,
        CAL_JULIAN,
        CAL_JEWISH,
        CAL_FRENCH,
        CAL_NUM_CALS
};

typedef long int (*cal_to_jd_func_t) (int month, int day, int year);
typedef void (*cal_from_jd_func_t) (long int jd, int *year, int *month, int *day);
typedef char *(*cal_as_string_func_t) (int year, int month, int day);

struct cal_entry_t {
        char *name;
        char *symbol;
        cal_to_jd_func_t to_jd;
        cal_from_jd_func_t from_jd;
        int num_months;
        int max_days_in_month;
        char **month_name_short;
        char **month_name_long;
};

static struct cal_entry_t cal_conversion_table[CAL_NUM_CALS] = {
        {"Gregorian", "CAL_GREGORIAN", GregorianToSdn, SdnToGregorian, 12, 31,
         MonthNameShort, MonthNameLong},
        {"Julian", "CAL_JULIAN", JulianToSdn, SdnToJulian, 12, 31,
         MonthNameShort, MonthNameLong},
        {"Jewish", "CAL_JEWISH", JewishToSdn, SdnToJewish, 13, 30,
         JewishMonthNameLeap, JewishMonthNameLeap},
        {"French", "CAL_FRENCH", FrenchToSdn, SdnToFrench, 13, 30,
         FrenchMonthName, FrenchMonthName}
};

#define JEWISH_MONTH_NAME(year)         ((monthsPerYear[((year)-1) % 19] == 13)?JewishMonthNameLeap:JewishMonthName)
#define JEWISH_HEB_MONTH_NAME(year) ((monthsPerYear[((year)-1) % 19] == 13)?JewishMonthHebNameLeap:JewishMonthHebName)

/* For jddayofweek */
enum { CAL_DOW_DAYNO, CAL_DOW_SHORT, CAL_DOW_LONG };

/* For jdmonthname */
enum { CAL_MONTH_GREGORIAN_SHORT, CAL_MONTH_GREGORIAN_LONG,
        CAL_MONTH_JULIAN_SHORT, CAL_MONTH_JULIAN_LONG, CAL_MONTH_JEWISH,
        CAL_MONTH_FRENCH
};

/* for heb_number_to_chars */
static char alef_bet[25] = "0אבגדהוזחטיכלמנסעפצקרשת";

#define CAL_JEWISH_ADD_ALAFIM_GERESH 0x2
#define CAL_JEWISH_ADD_ALAFIM 0x4
#define CAL_JEWISH_ADD_GERESHAYIM 0x8

PHP_MINIT_FUNCTION(calendar)
{
        REGISTER_LONG_CONSTANT("CAL_GREGORIAN", CAL_GREGORIAN, CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("CAL_JULIAN", CAL_JULIAN, CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("CAL_JEWISH", CAL_JEWISH, CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("CAL_FRENCH", CAL_FRENCH, CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("CAL_NUM_CALS", CAL_NUM_CALS, CONST_CS | CONST_PERSISTENT);
/* constants for jddayofweek */
        REGISTER_LONG_CONSTANT("CAL_DOW_DAYNO", CAL_DOW_DAYNO, CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("CAL_DOW_SHORT", CAL_DOW_SHORT, CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("CAL_DOW_LONG", CAL_DOW_LONG, CONST_CS | CONST_PERSISTENT);
/* constants for jdmonthname */
        REGISTER_LONG_CONSTANT("CAL_MONTH_GREGORIAN_SHORT", CAL_MONTH_GREGORIAN_SHORT, CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("CAL_MONTH_GREGORIAN_LONG", CAL_MONTH_GREGORIAN_LONG, CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("CAL_MONTH_JULIAN_SHORT", CAL_MONTH_JULIAN_SHORT, CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("CAL_MONTH_JULIAN_LONG", CAL_MONTH_JULIAN_LONG, CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("CAL_MONTH_JEWISH", CAL_MONTH_JEWISH, CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("CAL_MONTH_FRENCH", CAL_MONTH_FRENCH, CONST_CS | CONST_PERSISTENT);
/* constants for easter calculation */
        REGISTER_LONG_CONSTANT("CAL_EASTER_DEFAULT", CAL_EASTER_DEFAULT, CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("CAL_EASTER_ROMAN", CAL_EASTER_ROMAN, CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("CAL_EASTER_ALWAYS_GREGORIAN", CAL_EASTER_ALWAYS_GREGORIAN, CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("CAL_EASTER_ALWAYS_JULIAN", CAL_EASTER_ALWAYS_JULIAN, CONST_CS | CONST_PERSISTENT);
/* constants for Jewish date formatting */
        REGISTER_LONG_CONSTANT("CAL_JEWISH_ADD_ALAFIM_GERESH", CAL_JEWISH_ADD_ALAFIM_GERESH, CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("CAL_JEWISH_ADD_ALAFIM", CAL_JEWISH_ADD_ALAFIM, CONST_CS | CONST_PERSISTENT);
        REGISTER_LONG_CONSTANT("CAL_JEWISH_ADD_GERESHAYIM", CAL_JEWISH_ADD_GERESHAYIM, CONST_CS | CONST_PERSISTENT);
        return SUCCESS;
}

PHP_MINFO_FUNCTION(calendar)
{
        php_info_print_table_start();
        php_info_print_table_row(2, "Calendar support", "enabled");
        php_info_print_table_end();
}

static void _php_cal_info(int cal, zval **ret)
{
        zval *months, *smonths;
        int i;
        struct cal_entry_t *calendar;

        calendar = &cal_conversion_table[cal];
        array_init(*ret);

        MAKE_STD_ZVAL(months);
        MAKE_STD_ZVAL(smonths);
        array_init(months);
        array_init(smonths);

        for (i = 1; i <= calendar->num_months; i++) {
                add_index_string(months, i, calendar->month_name_long[i], 1);
                add_index_string(smonths, i, calendar->month_name_short[i], 1);
        }
        add_assoc_zval(*ret, "months", months);
        add_assoc_zval(*ret, "abbrevmonths", smonths);
        add_assoc_long(*ret, "maxdaysinmonth", calendar->max_days_in_month);
        add_assoc_string(*ret, "calname", calendar->name, 1);
        add_assoc_string(*ret, "calsymbol", calendar->symbol, 1);
        
}

/* {{{ proto array cal_info([int calendar])
   Returns information about a particular calendar */
PHP_FUNCTION(cal_info)
{
        long cal = -1;


        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &cal) == FAILURE) {
                RETURN_FALSE;
        }

        if (cal == -1) {
                int i;
                zval *val;

                array_init(return_value);

                for (i = 0; i < CAL_NUM_CALS; i++) {
                        MAKE_STD_ZVAL(val);
                        _php_cal_info(i, &val);
                        add_index_zval(return_value, i, val);
                }
                return;
        }


        if (cal != -1 && (cal < 0 || cal >= CAL_NUM_CALS)) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid calendar ID %ld.", cal);
                RETURN_FALSE;
        }

        _php_cal_info(cal, &return_value);

}
/* }}} */

/* {{{ proto int cal_days_in_month(int calendar, int month, int year)
   Returns the number of days in a month for a given year and calendar */
PHP_FUNCTION(cal_days_in_month)
{
        long cal, month, year;
        struct cal_entry_t *calendar;
        long sdn_start, sdn_next;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "lll", &cal, &month, &year) == FAILURE) {
                RETURN_FALSE;
        }

        if (cal < 0 || cal >= CAL_NUM_CALS) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid calendar ID %ld.", cal);
                RETURN_FALSE;
        }

        calendar = &cal_conversion_table[cal];

        sdn_start = calendar->to_jd(year, month, 1);

        if (sdn_start == 0) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid date.");
                RETURN_FALSE;
        }

        sdn_next = calendar->to_jd(year, 1 + month, 1);

        if (sdn_next == 0) {
                /* If the next month is invalid, then we need to try the first month of
                 * the next year, bearing in mind that the next year after 1 BCE is
                 * actually 1 AD and not 0. */
                if (year == -1) {
                        sdn_next = calendar->to_jd(1, 1, 1);
                }
                else {
                        sdn_next = calendar->to_jd(year + 1, 1, 1);
                }
        }

        RETURN_LONG(sdn_next - sdn_start);
}
/* }}} */

/* {{{ proto int cal_to_jd(int calendar, int month, int day, int year)
   Converts from a supported calendar to Julian Day Count */
PHP_FUNCTION(cal_to_jd)
{
        long cal, month, day, year;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "llll", &cal, &month, &day, &year) != SUCCESS) {
                RETURN_FALSE;
        }

        if (cal < 0 || cal >= CAL_NUM_CALS) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid calendar ID %ld.", cal);
                RETURN_FALSE;
        }

        RETURN_LONG(cal_conversion_table[cal].to_jd(year, month, day));
}
/* }}} */

/* {{{ proto array cal_from_jd(int jd, int calendar)
   Converts from Julian Day Count to a supported calendar and return extended information */
PHP_FUNCTION(cal_from_jd)
{
        long jd, cal;
        int month, day, year, dow;
        char date[16];
        struct cal_entry_t *calendar;

        if (zend_parse_parameters(ZEND_NUM_ARGS()TSRMLS_CC, "ll", &jd, &cal) == FAILURE) {
                RETURN_FALSE;
        }

        if (cal < 0 || cal >= CAL_NUM_CALS) {
                php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid calendar ID %ld", cal);
                RETURN_FALSE;
        }
        calendar = &cal_conversion_table[cal];

        array_init(return_value);

        calendar->from_jd(jd, &year, &month, &day);

        snprintf(date, sizeof(date), "%i/%i/%i", month, day, year);
        add_assoc_string(return_value, "date", date, 1);

        add_assoc_long(return_value, "month", month);
        add_assoc_long(return_value, "day", day);
        add_assoc_long(return_value, "year", year);

/* day of week */
        dow = DayOfWeek(jd);
        add_assoc_long(return_value, "dow", dow);
        add_assoc_string(return_value, "abbrevdayname", DayNameShort[dow], 1);
        add_assoc_string(return_value, "dayname", DayNameLong[dow], 1);
/* month name */
        if(cal == CAL_JEWISH) {
                /* special case for Jewish calendar */
                add_assoc_string(return_value, "abbrevmonth", JEWISH_MONTH_NAME(year)[month], 1);
                add_assoc_string(return_value, "monthname", JEWISH_MONTH_NAME(year)[month], 1);
        } else {
                add_assoc_string(return_value, "abbrevmonth", calendar->month_name_short[month], 1);
                add_assoc_string(return_value, "monthname", calendar->month_name_long[month], 1);
        }
}
/* }}} */

/* {{{ proto string jdtogregorian(int juliandaycount)
   Converts a julian day count to a gregorian calendar date */
PHP_FUNCTION(jdtogregorian)
{
        long julday;
        int year, month, day;
        char date[16];

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &julday) == FAILURE) {
                RETURN_FALSE;
        }

        SdnToGregorian(julday, &year, &month, &day);
        snprintf(date, sizeof(date), "%i/%i/%i", month, day, year);

        RETURN_STRING(date, 1);
}
/* }}} */

/* {{{ proto int gregoriantojd(int month, int day, int year)
   Converts a gregorian calendar date to julian day count */
PHP_FUNCTION(gregoriantojd)
{
        long year, month, day;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "lll", &month, &day, &year) == FAILURE) {
                RETURN_FALSE;
        }

        RETURN_LONG(GregorianToSdn(year, month, day));
}
/* }}} */

/* {{{ proto string jdtojulian(int juliandaycount)
   Convert a julian day count to a julian calendar date */
PHP_FUNCTION(jdtojulian)
{
        long julday;
        int year, month, day;
        char date[16];

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &julday) == FAILURE) {
                RETURN_FALSE;
        }

        SdnToJulian(julday, &year, &month, &day);
        snprintf(date, sizeof(date), "%i/%i/%i", month, day, year);

        RETURN_STRING(date, 1);
}
/* }}} */

/* {{{ proto int juliantojd(int month, int day, int year)
   Converts a julian calendar date to julian day count */
PHP_FUNCTION(juliantojd)
{
        long year, month, day;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "lll", &month, &day, &year) == FAILURE) {
                RETURN_FALSE;
        }

        RETURN_LONG(JulianToSdn(year, month, day));
}
/* }}} */

/* {{{ heb_number_to_chars*/
/*
caution: the Hebrew format produces non unique result.
for example both: year '5' and year '5000' produce 'ה'.
use the numeric one for calculations. 
 */
static char *heb_number_to_chars(int n, int fl, char **ret)
{
        char *p, old[18], *endofalafim;

        p = endofalafim = old;
/* 
   prevents the option breaking the jewish beliefs, and some other 
   critical resources ;)
 */
        if (n > 9999 || n < 1) {
                *ret = NULL;
                return NULL;
        }       

/* alafim (thousands) case */
        if (n / 1000) {
                *p = alef_bet[n / 1000];
                p++;

                if (CAL_JEWISH_ADD_ALAFIM_GERESH & fl) {
                        *p = '\'';
                        p++;
                }
                if (CAL_JEWISH_ADD_ALAFIM & fl) {
                        strcpy(p, " אלפים ");
                        p += 7;
                }

                endofalafim = p;
                n = n % 1000;
        }

/* tav-tav (tav=400) case */
        while (n >= 400) {
                *p = alef_bet[22];
                p++;
                n -= 400;
        }

/* meot (hundreads) case */
        if (n >= 100) {
                *p = alef_bet[18 + n / 100];
                p++;
                n = n % 100;
        }

/* tet-vav & tet-zain case (special case for 15 and 16) */
        if (n == 15 || n == 16) {
                *p = alef_bet[9];
                p++;
                *p = alef_bet[n - 9];
                p++;
        } else {
/* asarot (tens) case */
                if (n >= 10) {
                        *p = alef_bet[9 + n / 10];
                        p++;
                        n = n % 10;
                }

/* yehidot (ones) case */
                if (n > 0) {
                        *p = alef_bet[n];
                        p++;
                }
        }

        if (CAL_JEWISH_ADD_GERESHAYIM & fl) {
                switch (p - endofalafim) {
                case 0:
                        break;
                case 1:
                        *p = '\'';
                        p++;
                        break;
                default:
                        *(p) = *(p - 1);
                        *(p - 1) = '"';
                        p++;
                }
        }

        *p = '\0';
        *ret = estrndup(old, (p - old) + 1);
        p = *ret;
        return p;
}
/* }}} */

/* {{{ proto string jdtojewish(int juliandaycount [, bool hebrew [, int fl]])
   Converts a julian day count to a jewish calendar date */
PHP_FUNCTION(jdtojewish)
{
        long julday, fl = 0;
        zend_bool heb   = 0;
        int year, month, day;
        char date[16], hebdate[32];
        char *dayp, *yearp;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l|bl", &julday, &heb, &fl) == FAILURE) {
                RETURN_FALSE;
        }

        SdnToJewish(julday, &year, &month, &day);
        if (!heb) {
                snprintf(date, sizeof(date), "%i/%i/%i", month, day, year);
                RETURN_STRING(date, 1);
        } else {
                if (year <= 0 || year > 9999) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Year out of range (0-9999).");
                        RETURN_FALSE;
                }

                snprintf(hebdate, sizeof(hebdate), "%s %s %s", heb_number_to_chars(day, fl, &dayp), JEWISH_HEB_MONTH_NAME(year)[month], heb_number_to_chars(year, fl, &yearp));

                if (dayp) {
                        efree(dayp);
                }
                if (yearp) {
                        efree(yearp);
                }

                RETURN_STRING(hebdate, 1);

        }
}
/* }}} */

/* {{{ proto int jewishtojd(int month, int day, int year)
   Converts a jewish calendar date to a julian day count */
PHP_FUNCTION(jewishtojd)
{
        long year, month, day;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "lll", &month, &day, &year) == FAILURE) {
                RETURN_FALSE;
        }

        RETURN_LONG(JewishToSdn(year, month, day));
}
/* }}} */

/* {{{ proto string jdtofrench(int juliandaycount)
   Converts a julian day count to a french republic calendar date */
PHP_FUNCTION(jdtofrench)
{
        long julday;
        int year, month, day;
        char date[16];

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &julday) == FAILURE) {
                RETURN_FALSE;
        }

        SdnToFrench(julday, &year, &month, &day);
        snprintf(date, sizeof(date), "%i/%i/%i", month, day, year);

        RETURN_STRING(date, 1);
}
/* }}} */

/* {{{ proto int frenchtojd(int month, int day, int year)
   Converts a french republic calendar date to julian day count */
PHP_FUNCTION(frenchtojd)
{
        long year, month, day;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "lll", &month, &day, &year) == FAILURE) {
                RETURN_FALSE;
        }

        RETURN_LONG(FrenchToSdn(year, month, day));
}
/* }}} */

/* {{{ proto mixed jddayofweek(int juliandaycount [, int mode])
   Returns name or number of day of week from julian day count */
PHP_FUNCTION(jddayofweek)
{
        long julday, mode = CAL_DOW_DAYNO;
        int day;
        char *daynamel, *daynames;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l|l", &julday, &mode) == FAILURE) {
                RETURN_FALSE;
        }

        day = DayOfWeek(julday);
        daynamel = DayNameLong[day];
        daynames = DayNameShort[day];

        switch (mode) {
        case CAL_DOW_SHORT:
                RETURN_STRING(daynamel, 1);
                break;
        case CAL_DOW_LONG:
                RETURN_STRING(daynames, 1);
                break;
        case CAL_DOW_DAYNO:
        default:
                RETURN_LONG(day);
                break;
        }
}
/* }}} */

/* {{{ proto string jdmonthname(int juliandaycount, int mode)
   Returns name of month for julian day count */
PHP_FUNCTION(jdmonthname)
{
        long julday, mode;
        char *monthname = NULL;
        int month, day, year;

        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ll", &julday, &mode) == FAILURE) {
                RETURN_FALSE;
        }

        switch (mode) {
        case CAL_MONTH_GREGORIAN_LONG:  /* gregorian or julian month */
                SdnToGregorian(julday, &year, &month, &day);
                monthname = MonthNameLong[month];
                break;
        case CAL_MONTH_JULIAN_SHORT:    /* gregorian or julian month */
                SdnToJulian(julday, &year, &month, &day);
                monthname = MonthNameShort[month];
                break;
        case CAL_MONTH_JULIAN_LONG:     /* gregorian or julian month */
                SdnToJulian(julday, &year, &month, &day);
                monthname = MonthNameLong[month];
                break;
        case CAL_MONTH_JEWISH:          /* jewish month */
                SdnToJewish(julday, &year, &month, &day);
                monthname = JEWISH_MONTH_NAME(year)[month];
                break;
        case CAL_MONTH_FRENCH:          /* french month */
                SdnToFrench(julday, &year, &month, &day);
                monthname = FrenchMonthName[month];
                break;
        default:                                        /* default gregorian */
        case CAL_MONTH_GREGORIAN_SHORT: /* gregorian or julian month */
                SdnToGregorian(julday, &year, &month, &day);
                monthname = MonthNameShort[month];
                break;
        }

        RETURN_STRING(monthname, 1);
}
/* }}} */

/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * End:
 * vim600: sw=4 ts=4 fdm=marker
 * vim<600: sw=4 ts=4
 */

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