1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
<?php
interface READERTimeInterface {
public function __construct(READER $reader = NULL, $opts = false);
public function ImportTime(DateTime $dt);
public function ExportTime($db_time);
public function GetTimeSlicingFunction($db_time_var, $width, $offset = 0);
}
abstract class NULLReaderTime implements READERTimeInterface {
var $gmt_timezone;
public function __construct(READER $reader = NULL, $opts = false) {
if ($reader) $this->gmt_timezone = $reader->gmt_timezone;
else $this->gmt_timezone = new DateTimeZone("GMT");
}
public function ImportTime(DateTime $dt) {
throw new ADEIException(translate("CLASS %s: Methods (%s) is not implemented", get_class($this), __METHOD__));
}
public function ExportTime($db_time) {
throw new ADEIException(translate("CLASS %s: Methods (%s) is not implemented", get_class($this), __METHOD__));
}
public function GetTimeSlicingFunction($db_time_var, $width, $offset = 0) {
throw new ADEIException(translate("CLASS %s: Methods (%s) is not implemented", get_class($this), __METHOD__));
}
function ImportUnixTime($unix_time) {
$itime = floor($unix_time);
if ($itime==$unix_time) {
// Time zone should be specified, esle "e" output is invalid
return $this->ImportTime(new DateTime("@" . sprintf("%f", $itime), $this->gmt_timezone));
} else {
if (is_float($unix_time)) $subsec = strchr(sprintf("%F", $unix_time), '.');
else $subsec = strchr($unix_time, '.');
// DS: Due to the bug in PHP (precision is limited to 10ns)
if (strlen($subsec) > 9) $subsec = substr($subsec, 0, 9);
return $this->ImportTime(new DateTime(strftime("%Y-%m-%dT%H:%M:%S", $itime) . $subsec, $this->gmt_timezone));
// return $this->ImportTime(new DateTime(strftime("%Y/%m/%d %H:%M:%S", $itime) . $subsec, $this->gmt_timezone));
}
}
function ExportUnixTime($db_time) {
$dt = $this->ExportTime($db_time);
return $dt->format("U.u");
}
}
class READERTime extends NULLReaderTime implements READERTimeInterface {
var $time_zone;
var $time_format;
public function __construct(READER $reader = NULL, $opts = false) {
parent::__construct($reader, $opts);
$this->time_format = $opts['format'];
$this->time_zone = $opts['timezone'];
}
public function ImportTime(DateTime $dt) {
$dt->setTimezone($this->time_zone);
return $dt->format($this->time_format);
}
public function ExportTime($db_time) {
if ($this->time_zone) {
$ctz = date_default_timezone_get();
date_default_timezone_set($this->time_zone->getName());
switch ($this->time_format) {
case "U":
$dt = new DateTime("@" . $db_time);
break;
default:
$dt = new DateTime($db_time);
}
date_default_timezone_set($ctz);
// $dt->setTimezone($this->gmt_timezone);
return $dt;
}
switch ($this->time_format) {
case "U":
return new DateTime("@" . $db_time);
default:
return new DateTime($db_time);
}
}
function GetTimeSlicingFunction($db_time_var, $width, $offset = 0) {
if ($offset) {
if (is_object($offset))
$off = $this->ImportTime($offset);
else
$off = $this->ImportUnixTime($offset);
return "($db_time_var - $off) / $width";
}
return "$db_time_var / $width";
}
}
?>
|