calendar.c

php-4.4.7学习linux时下载的源代码

/*
   +----------------------------------------------------------------------+
   | PHP Version 4                                                        |
   +----------------------------------------------------------------------+
   | Copyright (c) 1997-2007 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          |
   | [e-mail] so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
   | Authors: Shane Caraveo             <[e-mail]>               | 
   |          Colin Viebrock            <[e-mail]>               |
   |          Hartmut Holzgraefe        <[e-mail]>                |
   |          Wez Furlong               <[e-mail]>            |
   +----------------------------------------------------------------------+
 */
/* $Id: calendar.c,v 1.30.2.4.2.2 2007/01/01 09:46:40 sebastian Exp $ */

#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>

function_entry calendar_functions[] = {
	PHP_FE(jdtogregorian, NULL)
	PHP_FE(gregoriantojd, NULL)
	PHP_FE(jdtojulian, NULL)
	PHP_FE(juliantojd, NULL)
	PHP_FE(jdtojewish, NULL)
	PHP_FE(jewishtojd, NULL)
	PHP_FE(jdtofrench, NULL)
	PHP_FE(frenchtojd, NULL)
	PHP_FE(jddayofweek, NULL)
	PHP_FE(jdmonthname, NULL)
	PHP_FE(easter_date, NULL)
	PHP_FE(easter_days, NULL)
	PHP_FE(unixtojd, NULL)
	PHP_FE(jdtounix, NULL)
	PHP_FE(cal_to_jd, NULL)
	PHP_FE(cal_from_jd, NULL)
	PHP_FE(cal_days_in_month, NULL)
	PHP_FE(cal_info, NULL)
	{NULL, NULL, NULL}
};


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,
	 JewishMonthName, JewishMonthName},
	{"French", "CAL_FRENCH", FrenchToSdn, SdnToFrench, 13, 30,
	 FrenchMonthName, FrenchMonthName}
};

/* 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] = "0噌忏溴骁栝腱铕耱赧鼬