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"
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COPYRIGHT (c) 1989 by Claus Gittinger
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All Rights Reserved
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This software is furnished under a license and may be used
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only in accordance with the terms of that license and with the
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inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
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"
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'From Smalltalk/X, Version:2.10.4 on 8-feb-1995 at 12:46:45 pm'!
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AbstractTime subclass:#AbsoluteTime
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instanceVariableNames:'secondsLow secondsHi'
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classVariableNames:''
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poolDictionaries:''
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category:'Magnitude-General'
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!
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AbsoluteTime comment:'
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COPYRIGHT (c) 1989 by Claus Gittinger
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All Rights Reserved
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$Header: /cvs/stx/stx/libbasic/Attic/AbsTime.st,v 1.8 1995-02-08 03:10:47 claus Exp $
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'!
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!AbsoluteTime class methodsFor:'documentation'!
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copyright
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"
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COPYRIGHT (c) 1989 by Claus Gittinger
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154
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All Rights Reserved
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82
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This software is furnished under a license and may be used
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only in accordance with the terms of that license and with the
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38 |
inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
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"
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!
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version
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"
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$Header: /cvs/stx/stx/libbasic/Attic/AbsTime.st,v 1.8 1995-02-08 03:10:47 claus Exp $
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82
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"
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!
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documentation
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"
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77
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This class represents time values in seconds from 1st. Jan 1970, as
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used in the Unix operating system. Its implementation is not the same
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as in ST-80 (which represents Time as seconds from 1. Jan 1901.
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241
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Actually, the implementation does not depend or even know which time/date
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the OperatingSystem bases its time upon - it is simply keeping the value(s)
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as return from the OS.
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For conversion, these values are given back to the OS, which will know
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how to convert these times.
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This has the advantage, that time-stamps on files (such as last-access-
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time or last-modifiaction-time) can be handled transparent to other
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times (especially comparison).
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77
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Since unix-times are 32 bit which does not fit into a SmallInteger,
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92
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we keep low and hi 16bits of the time separately (it could have been
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implemented using LargeIntegers though).
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241
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This class should not be confused with Time (which only represents the
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time within one day). Time instances cannot be used to compare times across
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midnight; instances of AbsoluteTime can.
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See Time for more details.
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"
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! !
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!AbsoluteTime class methodsFor:'instance creation'!
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day:d month:m year:y hour:h minutes:min seconds:s
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"return an instance of the receiver"
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241
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^ self fromOSTime:(OperatingSystem
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computeTimePartsFromYear:y month:m day:d
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hour:h minute:min seconds:s)
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241
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"
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AbsoluteTime day:2 month:1 year:1991 hour:12 minutes:30 seconds:0
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AbsoluteTime day:8 month:1 year:1995 hour:0 minutes:43 seconds:48
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"
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! !
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!AbsoluteTime methodsFor:'private'!
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secondsLow
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^ secondsLow
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!
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setSecondsLow:secsLow and:secsHi
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secondsHi := secsHi.
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secondsLow := secsLow
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!
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241
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fromOSTimeLow:secsLow and:secsHi
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secondsHi := secsHi.
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secondsLow := secsLow
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!
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241
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secondsHi
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^ secondsHi
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!
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241
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setSeconds:secs
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secondsHi := secs // 16r10000.
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secondsLow := secs \\ 16r10000
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!
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getSeconds
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^ (secondsHi * 16r10000) + secondsLow
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!
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fromOSTime:secs
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secondsHi := secs // 16r10000.
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secondsLow := secs \\ 16r10000
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! !
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!AbsoluteTime methodsFor:'accessing'!
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hourInDay
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"return the hours (0..23)"
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^ self hours
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"
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AbsoluteTime now hours
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"
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!
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minuteInDay
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"return the minute-part"
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|m|
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OperatingSystem computeTimePartsOf:secondsLow and:secondsHi for:[
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:hours :minutes :secs |
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241
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m := minutes
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].
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^ m
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241
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"
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AbsoluteTime now minuteInDay
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"
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!
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secondInDay
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"return the second-part"
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|s|
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OperatingSystem computeTimePartsOf:secondsLow and:secondsHi for:[
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241
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:hours :minutes :secs |
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241
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s := secs
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].
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^ s
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241
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"
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AbsoluteTime now secondInDay
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"
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!
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day
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"return the day-in-month of the receiver (1..31).
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Obsolete; use instances of Date for this."
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241
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|d|
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OperatingSystem computeDatePartsOf:secondsLow and:secondsHi
|
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241
|
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for:[:year :month :day |
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d := day
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185 |
].
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186 |
^ d
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54
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187 |
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92
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"
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241
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AbsoluteTime now day
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92
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190 |
"
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|
191 |
!
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192 |
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month
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92
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"return the month of the receiver (1..12).
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195 |
Obsolete; use instances of Date for this."
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30
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241
|
197 |
|m|
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198 |
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30
|
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OperatingSystem computeDatePartsOf:secondsLow and:secondsHi
|
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241
|
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for:[:year :month :day |
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201 |
m := month
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202 |
].
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^ m
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54
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"
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241
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AbsoluteTime now month
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92
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207 |
"
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30
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!
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209 |
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year
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92
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"return the year of the receiver i.e. 1992.
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212 |
Obsolete; use instances of Date for this."
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30
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241
|
214 |
|y|
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215 |
|
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30
|
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OperatingSystem computeDatePartsOf:secondsLow and:secondsHi
|
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241
|
217 |
for:[:year :month :day |
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218 |
y := year
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219 |
].
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220 |
^ y
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221 |
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222 |
"
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223 |
AbsoluteTime now year
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224 |
"
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225 |
!
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226 |
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227 |
hours
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228 |
"return the hours (0..23)"
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229 |
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230 |
|hr|
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231 |
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232 |
OperatingSystem computeTimePartsOf:secondsLow and:secondsHi for:[
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233 |
:hours :minutes :secs |
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234 |
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|
235 |
hr := hours
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|
236 |
].
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|
237 |
^ hr
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54
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238 |
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92
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239 |
"
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241
|
240 |
AbsoluteTime now hours
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241 |
"
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242 |
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243 |
!
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244 |
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245 |
minutes
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246 |
"return the minutes (0..59)"
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247 |
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248 |
|m|
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249 |
|
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|
250 |
OperatingSystem computeTimePartsOf:secondsLow and:secondsHi for:[
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251 |
:hours :minutes :secs |
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252 |
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253 |
m := minutes
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|
254 |
].
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255 |
^ m
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256 |
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257 |
"
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258 |
AbsoluteTime now minutes
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92
|
259 |
"
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241
|
260 |
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261 |
!
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262 |
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263 |
seconds
|
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|
264 |
"return the seconds (0..59)"
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265 |
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266 |
|s|
|
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267 |
|
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268 |
OperatingSystem computeTimePartsOf:secondsLow and:secondsHi for:[
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269 |
:hours :minutes :secs |
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|
270 |
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|
271 |
s := secs
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|
272 |
].
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273 |
^ s
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274 |
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275 |
"
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|
276 |
AbsoluteTime now seconds
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|
277 |
"
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278 |
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30
|
279 |
! !
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280 |
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281 |
!AbsoluteTime methodsFor:'comparing'!
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282 |
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|
283 |
> aTime
|
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|
284 |
secondsHi > aTime secondsHi ifTrue:[^ true].
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|
285 |
secondsHi < aTime secondsHi ifTrue:[^ false].
|
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|
286 |
^ secondsLow > aTime secondsLow
|
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|
287 |
!
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|
288 |
|
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|
289 |
< aTime
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|
290 |
secondsHi < aTime secondsHi ifTrue:[^ true].
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|
291 |
secondsHi > aTime secondsHi ifTrue:[^ false].
|
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|
292 |
^ secondsLow < aTime secondsLow
|
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|
293 |
!
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|
294 |
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295 |
= aTime
|
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154
|
296 |
(aTime species == self species) ifFalse:[^ false].
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30
|
297 |
^ (secondsLow == aTime secondsLow) and:[secondsHi == aTime secondsHi]
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|
298 |
!
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299 |
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300 |
hash
|
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|
301 |
"return an integer useful for hashing on times"
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302 |
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154
|
303 |
^ (secondsLow bitShift:16) bitOr:secondsLow
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30
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304 |
! !
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305 |
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241
|
306 |
!AbsoluteTime methodsFor:'converting'!
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307 |
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308 |
asSeconds
|
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|
309 |
"return the number of seconds elapsed since whatever time the
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|
310 |
OperatingSystem bases its time upon. Since this is totally
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|
311 |
OS-dependent, do not interpret the value returned by this method.
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|
312 |
You can use it to add/subtract seconds or get time deltas, though."
|
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313 |
|
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|
314 |
^ (secondsHi * 16r10000) + secondsLow
|
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315 |
|
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|
316 |
"
|
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|
317 |
AbsoluteTime now asSeconds
|
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|
318 |
AbsoluteTime fromSeconds:(AbsoluteTime now asSeconds + 3600)
|
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|
319 |
Time hour:23 minutes:33 seconds:0
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|
320 |
Time fromSeconds:((Time hour:23 minutes:33 seconds:0) asSeconds + 3600)
|
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|
321 |
"
|
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|
322 |
!
|
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|
323 |
|
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|
324 |
asDate
|
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|
325 |
"return a Date object from the receiver"
|
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|
326 |
|
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|
327 |
^ Date fromOSTime:(Array with:secondsLow with:secondsHi)
|
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|
328 |
|
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|
329 |
"
|
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|
330 |
AbsoluteTime now
|
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|
331 |
AbsoluteTime now asDate
|
|
|
332 |
(AbsoluteTime now addTime:3600) asDate
|
|
|
333 |
(AbsoluteTime now addTime:3600) asTime
|
|
|
334 |
AbsoluteTime fromSeconds:(AbsoluteTime now asSeconds + 3600)
|
|
|
335 |
(AbsoluteTime fromSeconds:(AbsoluteTime now asSeconds + 3600)) asDate
|
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|
336 |
"
|
|
|
337 |
|
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|
338 |
!
|
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|
339 |
|
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|
340 |
asTime
|
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|
341 |
^ Time fromOSTime:(Array with:secondsLow with:secondsHi)
|
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|
342 |
|
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|
343 |
"
|
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|
344 |
AbsoluteTime now
|
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|
345 |
AbsoluteTime now asTime
|
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|
346 |
(AbsoluteTime now addTime:3600) asTime
|
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|
347 |
"
|
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|
348 |
|
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|
349 |
! !
|
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|
350 |
|
|
30
|
351 |
!AbsoluteTime methodsFor:'arithmetic'!
|
|
|
352 |
|
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|
353 |
- aTime
|
|
92
|
354 |
"return delta in seconds between 2 times/dates."
|
|
30
|
355 |
|
|
|
356 |
^ self getSeconds - (aTime getSeconds)
|
|
|
357 |
!
|
|
|
358 |
|
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|
359 |
addTime:timeAmount
|
|
241
|
360 |
"return a new instance of myself, timeAmount seconds afterwards"
|
|
30
|
361 |
|
|
|
362 |
^ self class new setSeconds:(self getSeconds + timeAmount)
|
|
|
363 |
!
|
|
|
364 |
|
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|
365 |
subtractTime:timeAmount
|
|
241
|
366 |
"return a new instance opf myself, timeAmount seconds before myself"
|
|
30
|
367 |
|
|
|
368 |
^ self class new setSeconds:(self getSeconds - timeAmount)
|
|
|
369 |
! !
|
|
|
370 |
|
|
213
|
371 |
!AbsoluteTime methodsFor:'printing & storing'!
|
|
30
|
372 |
|
|
241
|
373 |
printOn:aStream
|
|
|
374 |
|h min s d m y|
|
|
30
|
375 |
|
|
241
|
376 |
OperatingSystem computeDatePartsOf:secondsLow and:secondsHi for:[
|
|
|
377 |
:year :month :day | d := day. m := month. y := year.
|
|
|
378 |
].
|
|
|
379 |
OperatingSystem computeTimePartsOf:secondsLow and:secondsHi for:[
|
|
|
380 |
:hours :minutes :secs | h := hours. min := minutes. s := secs.
|
|
|
381 |
].
|
|
|
382 |
d printOn:aStream.
|
|
|
383 |
aStream nextPut:$-.
|
|
|
384 |
m printOn:aStream.
|
|
|
385 |
aStream nextPut:$-.
|
|
|
386 |
y printOn:aStream.
|
|
|
387 |
aStream space.
|
|
|
388 |
h printOn:aStream leftPaddedTo:2 with:$0.
|
|
|
389 |
aStream nextPut:$:.
|
|
|
390 |
min printOn:aStream leftPaddedTo:2 with:$0.
|
|
|
391 |
aStream nextPut:$:.
|
|
|
392 |
s printOn:aStream leftPaddedTo:2 with:$0.
|
|
92
|
393 |
|
|
|
394 |
"
|
|
241
|
395 |
AbsoluteTime now
|
|
|
396 |
AbsoluteTime fromSeconds:0
|
|
|
397 |
Time now
|
|
|
398 |
Date today
|
|
92
|
399 |
"
|
|
30
|
400 |
!
|
|
|
401 |
|
|
241
|
402 |
storeOn:aStream
|
|
|
403 |
aStream nextPut:$(;
|
|
|
404 |
nextPutAll:self class name;
|
|
|
405 |
nextPutAll:' new setSecondsLow:'.
|
|
|
406 |
secondsLow storeOn:aStream.
|
|
|
407 |
aStream nextPutAll:' and:'.
|
|
|
408 |
secondsHi storeOn:aStream.
|
|
|
409 |
aStream nextPut:$).
|
|
54
|
410 |
|
|
241
|
411 |
"
|
|
|
412 |
AbsoluteTime now storeString '(AbsoluteTime new setSecondsLow:39757 and:12087)'
|
|
30
|
413 |
|
|
241
|
414 |
AbsoluteTime readFromString:(AbsoluteTime now storeString)
|
|
|
415 |
"
|
|
30
|
416 |
! !
|
|
|
417 |
|