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EnDeTS.js
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EnDeTS.js
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/* ========================================================================= //
#?
#? NAME
#? EnDeTS.js
#?
#? SYNOPSIS
#? <SCRIPT language="JavaScript1.3" type="text/javascript" src="EnDe.js"></SCRIPT>
#? <SCRIPT language="JavaScript1.3" type="text/javascript" src="EnDeTS.js"></SCRIPT>
#?
#? DESCRIPTION
#? Functions for various timestamp conversions.
#?
#? SEE ALSO
#? EnDe.js
#?
#? HACKER's INFO
#?
#? VERSION
#? @(#) EnDeTS.js 3.1 12/06/04 21:51:41
#?
#? AUTHOR
#? 21-mai-12 Achim Hoffmann, mailto: EnDe (at) my (dash) stp (dot) net
#?
* ========================================================================= */
// ========================================================================= //
// Timestamp functions //
// ========================================================================= //
if ((typeof EnDe)==='undefined') { EnDe = new function() {}; }
// ToDo: TS need to rename function parameters as describen in "Function Parameters"
EnDe.TS = new function() {
this.SID = '3.1';
this.sid = function() { return(EnDe.sid() + '.TS'); };
this.trace = false;
// ======================================================================= //
// internal/private functions //
// ======================================================================= //
function __dbx(t,n) { if (EnDe.TS.trace===true) { return EnDe.dpr(t,n); } };
// ======================================================================= //
// global constants //
// ======================================================================= //
this.win32offset = 116444736000000000;
this.win64offset = 621354801000000000; // ToDo: is this correct?
this.nanoseconds = 10000000;
this.milliseconds = 1000;
this.offset = this.nanoseconds / this.milliseconds;
this.year1980 = 315529200; // 1. Jan. 1980 (start at IBM PC)
this.year2000 = 946681200; // 1. Jan. 2000
this.year1999 = this.year2000 - 1; // last 4-byte signed integer
// ToDo: EnDe.CONST.INT.* does not work ??
this.year2038 = 2147483647; // signed 4-byte integer // EnDe.CONST.INT.MAX31
// starting at 1. Jan. 1970
this.year2116 = 4294967296 + this.year1980; // EnDe.CONST.INT.exp32 + this.year1980;
// ======================================================================= //
// local constants for simplification //
// ======================================================================= //
var _ws = '\s+'; // white spaces
var _sep = '[/:\ \|\.\,\-]'; // common separators
var _1o2 = '([0-9]{1,2})'; // 1 or 2 digits
var _mm = '(0?[1-9]|[1-5][0-9])'; // minute 1 .. 59
var _hh = '(0?[1-9]|1[0-9]|2[0-3])'; // hour 1 .. 23
var _day = '(0?[1-9]|[12][0-9]|3[01])'; // day 1 .. 31
var _mon = '(0?[1-9]|1[012])'; // month 1 .. 12
var _y2 = '([0-9]{2})'; // 2 digits
var _y4 = '([0-9]{4})'; // 4 digits
// ======================================================================= //
// global functions //
// ======================================================================= //
this.u2a = function(ts) { return Math.floor((ts * this.offset) + this.win64offset); };
//#? convert Unix to windows ASP.NET (64bit) timestamp; ts have to be in millisecond format
this.w2a = function(ts) { return Math.floor( ts - this.win32offset + this.win64offset); };
//#? convert windows TDateTime (32bit) to ASP.NET (64bit) timestamp
this.d2a = function(ts) { return ( '* DOS not implemented *'); };
//#? convert DOS (32bit) to ASP.NET (64bit) timestamp
// ToDo: EnDe.TS.d2a() NOT YET IMPLEMENTED
this.o2a = function(ts) { return ( '* OLE not implemented *'); };
//#? convert OLE to ASP.NET (64bit) timestamp
// ToDo:EnDe.TS.o2a() NOT YET IMPLEMENTED
this.a2u = function(ts) { return Math.floor((ts - this.win64offset) / this.offset); };
//#? convert windows ASP.NET (64bit) to Unix timestamp; ts returned in millisecond format
this.a2d = function(ts) { return ( '* DOS not implemented *'); };
//#? convert windows ASP.NET (64bit) to DOS (32bit) timestamp
// ToDo: not yet implemented
this.a2o = function(ts) { return ( '* OLE not implemented *'); };
//#? convert windows ASP.NET (64bit) to OLE timestamp
// ToDo: not yet implemented
this.a2w = function(ts) { return Math.floor( ts - this.win64offset + this.win32offset); };
//#? convert windows ASP.NET (64bit) to TDateTime (32bit) timestamp
this.w2u = function(ts) { return Math.floor((ts - this.win32offset) / this.offset); };
//#? convert windows TDateTime (32bit) to Unix timestamp; ts returned in millisecond format
this.u2w = function(ts) { return Math.floor((ts * this.offset) + this.win32offset); };
//#? convert Unix to windows TDateTime (32bit) timestamp; ts have to be in millisecond format
this.matchTime = function(_n1_,_n2_,year2digits,strict,now,src) {
//#? try to match a time value
if (src == undefined) { return undefined; }
var yy = _y4;
var mm = _1o2;
var dd = _1o2;
var hh = _1o2;
var mi = _1o2;
var ss = _1o2;
if (year2digits) {// allow 2-digit years
yy = _y2;
}
if (strict) { // use strict matches
mm = _mon;
dd = _day;
hh = _hh;
mi = _mm;
ss = _mm;
}
// define regex to match
var sec = '(?:' +_sep + mi + ')?'; // optional :ss
var hm = hh + _sep + ss + sec; // hh:mm with optional :ss
// leading time needs to have : as separator
var hms = '^' + hh + ':' + mi + '(?:\\:' + ss + ')?';
var ymd = '^' + yy + _sep + mm + _sep + dd + '$';
var ymdhm = '^' + yy + _sep + mm + _sep + dd + _sep + '+' + hm + '$';
var dmy = '^' + dd + _sep + mm + _sep + yy + '$';
var dmyhm = '^' + dd + _sep + mm + _sep + yy + _sep + '+' + hm + '$';
var hmymd = hms + _sep + yy + _sep + mm + _sep + dd+ '$';
var hmdmy = hms + _sep + dd + _sep + mm + _sep + yy + '$';
hms = hms + '$';
var kkk;
// 0 1 2 3 4 5 6 7 8
// y m d H M S ms format error
var hor = new Array(-1,-1,-1,-1,-1,-1,-1,'','');
// ToDo: if (src) { src = EnDe.trim(src); }
src = EnDe.trim(src);
// don't change the sequence of following tests!
kkk = src.match(hms); // hh:mm:ss, hh:mm
if (kkk!==null) {
hor[7] = 'hms';
hor[3] = kkk[1];
hor[4] = kkk[2];
if (kkk[3] != '') { hor[5] = kkk[3]; }
if (kkk.length) { kkk.length = 0; }; kkk = null;
return hor;
}
kkk = src.match(hmymd); // hh:mm:ss yyyy/mm/dd, hh:mm yyyy/mm/dd
if (kkk!==null) {
hor[7] = 'hmymd';
hor[0] = kkk[4];
hor[1] = kkk[5];
hor[2] = kkk[6];
hor[3] = kkk[1];
hor[4] = kkk[2];
if (kkk[3] != '') { hor[5] = kkk[3]; }
if (kkk.length) { kkk.length = 0; }; kkk = null;
return hor;
}
kkk = src.match(hmdmy); // hh:mm:ss dd/mm/yyyy, hh:mm dd/mm/yyyy
if (kkk!==null) {
hor[7] = 'hmdmy';
hor[0] = kkk[6];
hor[1] = kkk[5];
hor[2] = kkk[4];
hor[3] = kkk[1];
hor[4] = kkk[2];
if (kkk[3] != '') { hor[5] = kkk[3]; }
if (kkk.length) { kkk.length = 0; }; kkk = null;
return hor;
}
kkk = src.match(ymd); // yyyy/mm/dd
if (kkk!==null) {
hor[7] = 'ymd';
hor[0] = kkk[1];
hor[1] = kkk[2];
hor[2] = kkk[3];
if (kkk.length) { kkk.length = 0; }; kkk = null;
return hor;
}
kkk = src.match(dmy); // dd/mm/yyyy
if (kkk!==null) {
hor[7] = 'dmy';
hor[0] = kkk[3];
hor[1] = kkk[2];
hor[2] = kkk[1];
if (kkk.length) { kkk.length = 0; }; kkk = null;
return hor;
}
kkk = src.match(ymdhm); // yyyy/mm/dd hh:mm:ss, yyyy/mm/dd hh:mm
if (kkk!==null) {
hor[7] = 'ymdhm';
hor[0] = kkk[1];
hor[1] = kkk[2];
hor[2] = kkk[3];
hor[3] = kkk[4];
hor[4] = kkk[5];
if (kkk[6] != '') { hor[5] = kkk[6]; } // seconds also
if (kkk.length) { kkk.length = 0; }; kkk = null;
return hor;
}
kkk = src.match(dmyhm); // dd/mm/yyyy hh:mm:ss, dd/mm/yyyy hh:mm
if (kkk!==null) {
hor[7] = 'dmyhm';
hor[0] = kkk[3];
hor[1] = kkk[2];
hor[2] = kkk[1];
hor[3] = kkk[4];
hor[4] = kkk[5];
if (kkk[6] != '') { hor[5] = kkk[6]; } // seconds also
if (kkk.length) { kkk.length = 0; }; kkk = null;
return hor;
}
if (kkk!==null) { if (kkk.length) { kkk.length = 0; }; kkk = null; }
hor[8] = 'unknown format';
return(undefined);
}; // matchTime
this.matchOffset = function(_n1_,_n2_,year2digits,strict,now,src) {
//#? check if value is a timestamp offset
// ToDo: evtl. direkt in EnDeGUI.TS.dispatch('date2offset') implementieren ...
var x = 0;
var ts = this.matchTime(_n1_,_n2_,year2digits,strict,now,src);
if (ts == undefined) { return(undefined); }
// Safari is happy with <0 check, mozilla needs ==undefined check too
for (x in ts) { if ((ts[x] < 0) || (ts[x] == undefined) || (ts[x] == '')) { ts[x] = 0; } } // set 0 if unset
ts[0] *= 31536000; // 365 * 86400;
ts[1] *= 2592000; // 30 * 86400;
ts[2] *= 86400;
ts[3] *= 3600;
ts[4] *= 60;
ts[5] *= 1;
//ts[6] /= 1000;
return(ts[0] + ts[1] + ts[2] + ts[3] + ts[4] + ts[5] + ts[6]);
}; // matchOffset
this.matchDateTime = function(_n1_,_n2_,year2digits,strict,now,src) {
//#? try to match a date/time value
var x = 0;
var hor = new Date();
var ts = this.matchTime(_n1_,_n2_,year2digits,strict,now,src);
if (ts == undefined) { return(undefined); }
if (ts[8]!=='') { return(ts[8]); }
if (now == true) {
if (ts[0] < 0) { ts[0] = hor.getYear() + 1900; }
if (ts[1] < 0) { ts[1] = hor.getMonth() + 1; }
if (ts[2] < 0) { ts[2] = hor.getDate(); }
if (ts[3] < 0) { ts[3] = hor.getHours(); }
if (ts[4] < 0) { ts[4] = hor.getMinutes(); }
if (ts[5] < 0) { ts[5] = hor.getSeconds(); }
} else {
for (x in ts) { if ((ts[x] < 0) || (ts[x] == undefined) || (ts[x] == '')) { ts[x] = 0; } } // set 0
}
if (ts[1] > 0) { ts[1] -= 1; }
hor.setYear( ts[0]);
hor.setMonth( ts[1]);
hor.setDate( ts[2]);
hor.setHours( ts[3]);
hor.setMinutes(ts[4]);
hor.setSeconds(ts[5]);
if (now == false) {
}
if (ts.length) { ts.length = 0; }; ts = null;
return hor;
}; // matchDateTime
this.joinTime = function(hor) { return( hor.getHours() + ':' + hor.getMinutes() + ':' + hor.getSeconds() ); };
//#? return human readable time h:m:s
this.joinEmit = function(hor) { return( hor.getSeconds() + ':' + hor.getMinutes() + ':' + hor.getHours() ); };
//#? return human readable time s:m:h
this.joinDate = function(hor) { return((hor.getYear()+1900) + '/' + (hor.getMonth()+1) + '/' + hor.getDate() ); };
//#? return human readable date Y/M/D
this.joinEtad = function(hor) { return( hor.getDate() + '/' + (hor.getMonth()+1) + '/' + (hor.getYear()+1900)); };
//#? return human readable date D/M/Y
this.guessInt = function(src) {
//#? guess time ..
var bux = '';
var typ = '';
var kkk = '';
var hor = new Date();
switch (src.length) {
case 6: // full time
kkk = src.match('^' + _hh + _mm + _mm + '$');
if (kkk != undefined) {
hor.setHours( kkk[1]);
hor.setMinutes(kkk[2]);
hor.setSeconds(kkk[3]);
typ = 'full time (hh:mm:ss): ' + this.joinTime(hor);
bux += '\n' + typ + '\n\t=>' + hor;
}
typ += '\n';
kkk = src.match('^' + _mm + _mm + _hh + '$');
if (kkk != undefined) {
hor.setHours( kkk[3]);
hor.setMinutes(kkk[2]);
hor.setSeconds(kkk[1]);
typ = 'full time (ss:mm:hh): ' + this.joinEmit(hor);
bux += '\n' + typ + '\n\t=>' + hor;
}
typ += '\n';
kkk = src.match('^' + _y2 + _mon + _day + '$');
if (kkk != undefined) {
hor.setYear( kkk[1]);
hor.setMonth(kkk[2]-1);
hor.setDate( kkk[3]);
typ = 'short date (yy/mm/dd): ' + this.joinDate(hor);
bux += '\n' + typ + '\n\t=>' + hor;
}
typ += '\n';
kkk = src.match('^' + _y2 + _day + _mon + '$');
if (kkk != undefined) {
hor.setYear( kkk[1]);
hor.setMonth(kkk[3]-1);
hor.setDate( kkk[2]);
typ = (hor.getYear()+1900) + '/' + hor.getDate() + '/' + (hor.getMonth()+1);
typ = 'short date (yy/dd/mm): ' + typ;
bux += '\n' + typ + '\n\t=>' + hor;
}
typ += '\n';
kkk = src.match('^' + _day + _mon + _y2 + '$');
if (kkk != undefined) {
hor.setYear( kkk[3]);
hor.setMonth(kkk[2]-1);
hor.setDate( kkk[1]);
typ = 'short date (dd/mm/yy): ' + this.joinEtad(hor);
bux += '\n' + typ + '\n\t=>' + hor;
}
break;
case 8: // full date
kkk = src.match('^' + _y4 + _mon + _day + '$');
if (kkk != undefined) {
hor.setYear( kkk[1]);
hor.setMonth(kkk[2]-1);
hor.setDate( kkk[3]);
typ = 'full date (yyyy/mm/dd): ' + this.joinDate(hor);
bux += '\n' + typ + '\n\t=>' + hor;
}
typ += '\n';
kkk = src.match('^' + _y4 + _day + _mon + '$');
if (kkk != undefined) {
hor.setYear( kkk[1]);
hor.setMonth(kkk[3]-1);
hor.setDate( kkk[2]);
typ = (hor.getYear()+1900) + '/' + hor.getDate() + '/' + (hor.getMonth()+1);
typ = 'full date (yyyy/dd/mm): ' + typ;
bux += '\n' + typ + '\n\t=>' + hor;
}
typ += '\n';
kkk = src.match('^' + _day + _mon + _y4 + '$');
if (kkk != undefined) {
hor.setYear( kkk[3]);
hor.setMonth(kkk[2]-1);
hor.setDate( kkk[1]);
typ = 'full date (dd/mm/yyyy): ' + this.joinEtad(hor);
bux += '\n' + typ + '\n\t=>' + hor;
}
break;
case 9: // timestamp in seconds < 9-sep-2001
case 10: // timestamp in seconds
hor.setTime(src*1000);
typ = 'common 9- or 10-digit timestamp in seconds';
break;
case 12: // timestamp in miliseconds < 9-sep-2001
case 13: // timestamp in miliseconds
hor.setTime(src);
typ = 'common 12- or 13-digit timestamp in miliseconds';
bux += '\n' + typ + '\n\t=>' + hor;
break;
case 14: // full date/time in seconds
kkk = src.match('^' + _y4 + _mon + _day + _hh + _mm + _mm + '$');
if (kkk != undefined) {
hor.setYear( kkk[1]);
hor.setMonth(kkk[2]-1);
hor.setDate( kkk[3]);
hor.setHours(kkk[4]);
hor.setMinutes(kkk[5]);
hor.setSeconds(kkk[6]);
typ = 'full date/time (yyyy/mm/dd hh:mm:ss): ' + this.joinDate(hor) + ' ' + this.joinTime(hor);
bux += '\n' + typ + '\n\t=>' + hor;
}
typ += '\n';
kkk = src.match('^' + _mm + _mm + _hh + _day + _mon + _y4 + '$');
if (kkk != undefined) {
hor.setYear( kkk[6]);
hor.setMonth(kkk[5]-1);
hor.setDate( kkk[4]);
hor.setHours(kkk[3]);
hor.setMinutes(kkk[2]);
hor.setSeconds(kkk[1]);
typ = 'full date/time (ss:mm:hh dd/mm/yyyy): ' + this.joinEmit(hor) + ' ' + this.joinEtad(hor);
bux += '\n' + typ + '\n\t=>' + hor;
}
break;
default:
// yY strict now
bux += '\n' + 'common automatched timestamp in seconds' + '\n\t=>' + this.matchDateTime('all','',false,true,false,src.toString());
break;
}
if (hor != undefined) { if (hor.length) { hor.length = 0; }; hor = null; }
if (kkk != undefined) { if (kkk.length) { kkk.length = 0; }; kkk = null; }
return bux;
}; // guessInt
this.guessOffset= function(src) {
//#? guess time offset
/*
year = Math.floor(src / 31536000); // 365 * 86400;
src = src - (year * 31536000);
mons = Math.floor(src / 2592000); // 30 * 86400;
src = src - (mons * 2592000);
*/
days = Math.floor(src / 86400);
src = src - (days * 86400);
hour = Math.floor(src / 3600);
src = src - (hour * 3600);
mins = Math.floor(src / 60);
secs = src - (mins * 60);
return(days + ' days, ' + hour + ' hours, ' + mins + ' minutes, ' + secs + ' seconds');
}; // guessOffset
this.guess = function(src) {
//#? guess date/time ..
var bux = '';
var asint = 0;
if (src.match('^[0-9]+$')!==undefined) { // integer ===========
var ts = new Date();
bux += '\n*Timestamp* '+src+'\n';
bux += EnDe.CONST.___;
ts.setTime(Math.floor(src * 1000));
bux += '\nseconds\n\t=>' + ts;
ts.setTime(src);
bux += '\nmiliseconds\n\t=>' + ts;
bux += '\n';
bux += '\n*Integer* '+src+'\n';
bux += EnDe.CONST.___;
bux += this.guessInt(src);
bux += '\nas offset in seconds\n\t=>' + this.guessOffset(src);
asint= Math.floor(src / 1000);
bux += '\nas offset in miliseconds\n\t=>' + this.guessOffset(asint);
bux += '\n';
}
if (src.match('^[0-9a-fA-F]+$')!==undefined) { // hex ===============
bux += '\n*Hex* '+src+'\n';
bux += EnDe.CONST.___;
asint = parseInt(('0x'+src), 16);
bux += '\n\t' + src + ' => ' + asint;
bux += this.guessInt(asint.toString());
bux += '\nas offset in seconds\n\t=>' + this.guessOffset(asint.toString());
asint= Math.floor(asint / 1000);
bux += '\nas offset in miliseconds\n\t=>' + this.guessOffset(asint.toString());
} else { // anything else =====
// yY strict now
bux += '\n' + 'common automatched timestamp' + '\n\t=>' + this.matchDateTime('all','',false,true,false,src);
}
return bux;
}; // guess
}; // EnDe.TS