/* This file is part of: * Jalali, a Gregorian to Jalali and inverse date convertor * Copyright (C) 2001 Roozbeh Pournader * Copyright (C) 2001 Mohammad Toossi * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You can receive a copy of GNU Lesser General Public License at the * World Wide Web address . * * For licensing issues, contact The FarsiWeb Project Group, * Computing Center, Sharif University of Technology, * PO Box 11365-8515, Tehran, Iran, or contact us the * email address . */ /* Changes: * * 2001-Sep-21: * Fixed a bug with "30 Esfand" dates, reported by Mahmoud Ghandi * * 2001-Sep-20: * First LGPL release, with both sides of conversions */ //#include //#include //#include //function gregorian_to_jalali function GTJ( g_y, g_m, g_d, choice ) { var g_days_in_month = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31); var j_days_in_month = new Array(31, 31, 31, 31, 31, 31, 30, 30, 30, 30, 30, 29); var j_month_name = new Array("", "Farvardin", "Ordibehesht", "Khordad", "Tir", "Mordad", "Shahrivar", "Mehr", "Aban", "Azar", "Dey", "Bahman", "Esfand"); var gy, gm, gd; var jy, jm, jd; var g_day_no, j_day_no; var j_np; var i; gy = g_y-1600; gm = g_m-1; gd = g_d-1; g_day_no = 365*gy+Math.floor((gy+3)/4)-Math.floor((gy+99)/100)+Math.floor((gy+399)/400); for (i=0;i1 && ((gy%4==0 && gy%100!=0) || (gy%400==0))) /* leap and after Feb */ ++g_day_no; g_day_no += gd; j_day_no = g_day_no-79; j_np = Math.floor(j_day_no / 12053); j_day_no %= 12053; jy = 979+33*j_np+4*Math.floor((j_day_no/1461)); j_day_no %= 1461; if (j_day_no >= 366) { jy += Math.floor((j_day_no-1)/365); j_day_no = (j_day_no-1)%365; } for (i = 0; i < 11 && j_day_no >= j_days_in_month[i]; ++i) { j_day_no -= j_days_in_month[i]; } jm = i+1; jd = j_day_no+1; var strjm = new String(jm); var strjd = new String(jd); if (jm<10) strjm = "0"+jm; if (jd<10) strjd = "0"+jd; if (choice == 'y' || choice =='Y') return String(jy); else if (choice == 'm' || choice =='M') return strjm; else if (choice == 'd' || choice =='D') return strjd; else return String(jy)+'/'+strjm+'/'+strjd; } //------------------------------------------------------------------------ //void jalali_to_gregorian( function JTG( j_y, j_m, j_d, choice) { var g_days_in_month = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31); var j_days_in_month = new Array(31, 31, 31, 31, 31, 31, 30, 30, 30, 30, 30, 29); var j_month_name = new Array("", "Farvardin", "Ordibehesht", "Khordad", "Tir", "Mordad", "Shahrivar", "Mehr", "Aban", "Azar", "Dey", "Bahman", "Esfand"); var gy, gm, gd; var jy, jm, jd; var g_day_no, j_day_no; var leap; var i; jy = j_y-979; jm = j_m-1; jd = j_d-1; j_day_no = 365*jy + Math.floor(jy/33)*8 + Math.floor((jy%33+3)/4); for (i=0; i < jm; ++i) j_day_no += j_days_in_month[i]; j_day_no += jd; g_day_no = j_day_no+79; gy = 1600 + 400*Math.floor((g_day_no)/(146097)); /* 146097 = 365*400 + 400/4 - 400/100 + 400/400 */ g_day_no = g_day_no % 146097; leap = 1; if (g_day_no >= 36525) /* 36525 = 365*100 + 100/4 */ { g_day_no--; gy += 100*Math.floor((g_day_no)/(36524)); /* 36524 = 365*100 + 100/4 - 100/100 */ g_day_no = g_day_no % 36524; if (g_day_no >= 365) g_day_no++; else leap = 0; } gy += 4*Math.floor((g_day_no)/(1461)); /* 1461 = 365*4 + 4/4 */ g_day_no %= 1461; if (g_day_no >= 366) { leap = 0; g_day_no--; gy += Math.floor((g_day_no)/(365)); g_day_no = g_day_no % 365; } for (i = 0; g_day_no >= g_days_in_month[i] + (i == 1 && leap); i++) g_day_no -= g_days_in_month[i] + (i == 1 && leap); gm = i+1; gd = g_day_no+1; var strgm = new String(gm); var strgd = new String(gd); if (gm<10) strgm = "0"+gm; if (gd<10) strgd = "0"+gd; if (choice == 'y' || choice =='Y') return String(gy); else if (choice == 'm' || choice =='M') return strgm; else if (choice == 'd' || choice =='D') return strgd; else return String(gy)+'/'+strgm+'/'+strgd; } //------------------------------------------------------------------------ function jDate() { var j = new String(); today = new Date(); return GTJ(today.getFullYear(), today.getMonth()+1,today.getDate(),'a'); } //------------------------------------------------------------------------ function localNumbers(mynum) { var k; var digits; var partone,parttwo; var temp; temp = ""; FNums = new Array("٠","١","٢","٣","٤","٥","٦","٧","٨","٩"); k = 0; digits = Math.floor(Math.log(mynum)/Math.LN10); partone = mynum; for (ii=digits;ii>=0;--ii) { partone = partone - k * Math.pow(10,ii+1); parttwo = partone / Math.pow(10,ii); k = Math.floor(parttwo); temp += FNums[k]; } return temp; } //---------------------------------------------------------------------- function jalaliDate() { var j; d = new Array("يکشنبه","دوشنبه","سه شنبه","چهارشنبه","پنجشنبه","جمعه","شنبه"); today = new Date(); CMA = new Array('فروردين','ارديبهشت','خرداد','تير','مرداد','شهريور','مهر','آبان','آذر','دي','بهمن','اسفند'); j = d[today.getDay()] + ' '; myday = GTJ(today.getFullYear(), today.getMonth()+1,today.getDate(),'d'); j += localNumbers(myday); j+= ' '; j+= CMA[GTJ(today.getFullYear(),today.getMonth()+1,today.getDate(),'m')-1]+' '; myyear = GTJ(today.getFullYear(), today.getMonth()+1,today.getDate(),'y'); j += localNumbers(myyear); return j; } //-------------------------------------------------------------------------