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Contents of /to_be_filed/webprojs/php_libraries/php_library/fboprime/stimex.inc

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Revision 35 - (show annotations) (download)
Sat Oct 8 23:35:33 2016 UTC (6 years, 3 months ago) by dashley
File size: 5565 byte(s)
Initial commit.
1 <?php
2 //$Header: /hl/cvsroots/gpl01/gpl01/webprojs/fboprime/sw/phplib/stimex.inc,v 1.3 2006/09/25 20:01:28 dashley Exp $
3 //********************************************************************************
4 //Copyright (C)2006 David T. Ashley
5 //********************************************************************************
6 //This program or source file is free software; you can redistribute it and/or
7 //modify it under the terms of the GNU General Public License as published by
8 //the Free Software Foundation; either version 2 of the License, or (at your
9 //option) any later version.
10 //
11 //This program or source file is distributed in the hope that it will
12 //be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
13 //MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 //GNU General Public License for more details.
15 //
16 //You may have received a copy of the GNU General Public License
17 //along with this program; if not, write to the Free Software
18 //Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 //********************************************************************************
20 //Dave Ashley, 08/06
21 //
22 //This source file contains functions that operate on STIME, but are not needed
23 //by the day view scheduler.
24 //
25 require_once("datefunc.inc");
26 require_once("stime.inc");
27 //
28 //--------------------------------------------------------------------------------
29 //Calculates the difference between two STIMEs, and returns a string representing
30 //that difference. The string returned will be either of the form (by example):
31 // a)34m
32 // b)4h 34m
33 // c)1d 9h
34 // d)44d
35 //
36 //The string returned is absolute value.
37 //
38 function STIME_diff_string_a($st0_in, $st1_in)
39 {
40 //We require st1 to be no sooner than st0. Reorder if necessary.
41 if (strcmp($st0_in, $st1_in) > 0)
42 {
43 $temp = $st0_in;
44 $st0_in = $st1_in;
45 $st1_in = $temp;
46 }
47 //
48 //Extract components.
49 //
50 sscanf(SubStr($st0_in, 2), "%04d%02d%02d%02d%02d", $year0, $month0, $day0, $hour0, $minute0);
51 sscanf(SubStr($st1_in, 2), "%04d%02d%02d%02d%02d", $year1, $month1, $day1, $hour1, $minute1);
52 //
53 //Calculate relative offset of dates in minutes.
54 //
55 $dayoffset0 = 24 * 60 * (DATEFUNC_year_predecessor_sum($year0) + DATEFUNC_year_julian_offset($year0, $month0, $day0));
56 $dayoffset1 = 24 * 60 * (DATEFUNC_year_predecessor_sum($year1) + DATEFUNC_year_julian_offset($year1, $month1, $day1));
57 //
58 //Calculate relative offset of times in minutes.
59 $minuteoffset0 = $hour0 * 60 + $minute0;
60 $minuteoffset1 = $hour1 * 60 + $minute1;
61
62 $diffminutes = ($dayoffset1 + $minuteoffset1) - ($dayoffset0 + $minuteoffset0);
63
64 //Figure out which display format to use.
65 if ($diffminutes < 60)
66 {
67 //a
68 $rv = sprintf("%dm", $diffminutes);
69 }
70 else if ($diffminutes < 2880)
71 {
72 //b
73 $inthours = (int)($diffminutes/60);
74 $leftoverminutes = $diffminutes - ($inthours * 60);
75 $rv = sprintf("%dh %dm", $inthours, $leftoverminutes);
76 }
77 else if ($diffminutes < 7200)
78 {
79 //c
80 $intdays = (int)($diffminutes/1440);
81 $leftoverminutes = $diffminutes - ($intdays * 1440);
82 $inthours = (int)($leftoverminutes / 60);
83
84 $rv = sprintf("%dd %dh", $intdays, $inthours);
85 }
86 else
87 {
88 //d
89 $rv = sprintf("%dd", (int)($diffminutes/1440));
90 }
91
92 return($rv);
93 }
94 //
95 //--------------------------------------------------------------------------------
96 //Returns a 2-character day-of-week representation of the date of an STIME.
97 //Values are Su, Mo, Tu, We, Th, Fr, Sa.
98 //
99 function STIME_dow_string_a($st_in)
100 {
101 //Extract components.
102 //
103 sscanf(SubStr($st_in, 2), "%04d%02d%02d", $year, $month, $day);
104 //
105 //Calculate day of week.
106 $dow = DATEFUNC_intdayofweek_intdate($year, $month, $day);
107 //
108 //Calc the string, return to caller.
109 return(SubStr("SuMoTuWeThFrSa", $dow*2, 2));
110 }
111 //
112 //--------------------------------------------------------------------------------
113 //Reformats an STIME string to include dots at strategic places for more
114 //human-friendly display.
115 //
116 function STIME_dotted_display_string_a($stime_in)
117 {
118 if (! is_string($stime_in))
119 {
120 //Don't know what this is ... it isn't an stime. Just send it back.
121 return($stime_in);
122 }
123 else if (strlen($stime_in) != 22)
124 {
125 //This doesn't seem to be the right length for an stime. Give it back.
126 return($stime_in);
127 }
128 else
129 {
130 //Seems right.
131 return(
132 SubStr($stime_in, 0, 2)
133 .
134 "."
135 .
136 SubStr($stime_in, 2, 4)
137 .
138 "."
139 .
140 SubStr($stime_in, 6, 2)
141 .
142 "."
143 .
144 SubStr($stime_in, 8, 2)
145 .
146 "."
147 .
148 SubStr($stime_in, 10, 2)
149 .
150 "."
151 .
152 SubStr($stime_in, 12, 2)
153 .
154 "."
155 .
156 SubStr($stime_in, 14, 2)
157 .
158 "."
159 .
160 SubStr($stime_in, 16, 6)
161 );
162 }
163 }
164 //
165 //--------------------------------------------------------------------------------
166 //End of $RCSfile: stimex.inc,v $.
167 //--------------------------------------------------------------------------------
168 ?>

dashley@gmail.com
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