author | Jan Vrany <jan.vrany@fit.cvut.cz> |
Thu, 31 May 2018 10:52:50 +0100 | |
branch | jv |
changeset 4330 | 998eb03f0736 |
parent 3011 | 1997ff6e7e55 |
child 4384 | e28fcaaf93c7 |
permissions | -rw-r--r-- |
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COPYRIGHT (c) 2003 by eXept Software AG |
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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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"{ Package: 'stx:libbasic3' }" |
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"{ NameSpace: Packages }" |
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Object subclass:#VersionHistory |
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instanceVariableNames:'versions' |
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classVariableNames:'' |
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poolDictionaries:'' |
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category:'Package-helpers' |
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! |
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VersionHistory comment:'I am a version history. A version history is a collection of VersionNumbers that together form a tree of versions. I enforce rules about how versions are added and removed from the history. |
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To add a new version to a VersionHistory based on an existing version: |
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VersionHistory startingAt1 addNewVersionBasedOn: ''1'' asVersion; yourself |
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If you add 2 new versions based on the same version, a branch will be started: |
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VersionHistory startingAt1 |
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addNewVersionBasedOn: ''1'' asVersion; |
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addNewVersionBasedOn: ''1'' asVersion; |
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yourself |
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To remove a single version (note: only versions at the tip of a branch, or at the base of the trunk (if it has only one successor) can be individually removed): |
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VersionHistory startingAt1 |
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addNewVersionBasedOn: ''1'' asVersion; |
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addNewVersionBasedOn: ''1'' asVersion; |
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remove: ''1.1'' asVersion; |
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yourself |
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|
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To remove an entire branch: |
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VersionHistory startingAt1 |
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addNewVersionBasedOn: ''1'' asVersion; |
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addNewVersionBasedOn: ''1'' asVersion; |
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addNewVersionBasedOn: ''1.1'' asVersion; |
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addNewVersionBasedOn: ''1.2'' asVersion; |
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removeBranch: ''1.1'' asVersion; |
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yourself |
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To remove a portion of the trunk: |
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VersionHistory startingAt1 |
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addNewVersionBasedOn: ''1'' asVersion; |
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addNewVersionBasedOn: ''2'' asVersion; |
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addNewVersionBasedOn: ''3'' asVersion; |
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addNewVersionBasedOn: ''3'' asVersion; |
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removeTrunk: ''2'' asVersion; |
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yourself |
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To get a string description of a version history: |
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VersionHistory startingAt1 |
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addNewVersionBasedOn: ''1'' asVersion; |
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addNewVersionBasedOn: ''2'' asVersion; |
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addNewVersionBasedOn: ''3'' asVersion; |
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addNewVersionBasedOn: ''3'' asVersion; |
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treeString |
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Also, the following methods are useful for accessing the versions: |
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#firstVersion |
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#versionBefore: |
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#versionsAfter: |
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#mainLineStartingAt: |
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#allVersionsAfter: |
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#allVersionsBefore: |
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' |
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! |
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!VersionHistory class methodsFor:'documentation'! |
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copyright |
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" |
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COPYRIGHT (c) 2003 by eXept Software AG |
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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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documentation |
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Taken from KomPackaging in squeak. |
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[author:] |
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[instance variables:] |
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[class variables:] |
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[see also:] |
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examples |
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more examples to be added: |
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[exBegin] |
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... add code fragment for |
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... executable example here ... |
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[exEnd] |
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" |
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! |
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history |
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"Created: / 20.5.2003 / 08:28:06 / james" |
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! ! |
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!VersionHistory class methodsFor:'as yet unclassified'! |
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fromCollection: aCollection |
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"Note: this does not validate the continuity of version |
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numbers passed in aCollection...need to add continuity |
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checks in the future" |
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|
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^self new |
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initializeVersionsFrom: aCollection; |
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yourself |
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! |
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startingAt1 |
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^self startingAt: '1' asVersion |
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! |
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startingAt: aVersion |
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^self new |
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initializeVersionsAt: aVersion; |
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yourself |
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! ! |
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|
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!VersionHistory methodsFor:'accessing'! |
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allVersionsAfter: aVersion |
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"Answer all the versions based on aVersion." |
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|
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| answer | |
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answer := Set new. |
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versions do: [ :ea | |
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((ea inSameBranchAs: aVersion) and: |
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[ea > aVersion]) ifTrue: [answer add: ea]]. |
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^answer |
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! |
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|
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allVersionsBefore: aVersion |
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"Answer all versions that came before aVersion" |
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|
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| answer | |
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answer := Set new. |
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versions do: [ :ea | |
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((ea inSameBranchAs: aVersion) and: |
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[ea < aVersion]) ifTrue: [answer add: ea]]. |
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^answer |
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! |
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|
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firstVersion |
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"Answer the first version in the entire version history" |
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|
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^versions inject: versions anyOne into: [ :x :ea | |
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(x inSameBranchAs: ea) |
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ifTrue: [(x < ea) ifTrue: [x] ifFalse: [ea]] |
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ifFalse: [ea]] |
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! |
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|
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latestMainLineVersion |
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^(self mainLineStartingAt: self firstVersion) last |
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! |
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|
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mainLineStartingAt: aVersion |
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"Answer all versions based on aVersion that are not branches (they have |
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the same number of digits with the same values, except the last value is |
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greater than the last value of aVersion)." |
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|
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| answer tmp | |
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answer := OrderedCollection new. |
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tmp := aVersion. |
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[versions includes: tmp] |
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whileTrue: |
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[answer add: tmp. |
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tmp := tmp next]. |
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^answer |
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! |
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|
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versionBefore: aVersion |
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|
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"Answer the version immediately preceeding aVersion." |
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|
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| tmp | |
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(aVersion > '1' asVersion) ifFalse: [^nil]. |
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(versions includes: (tmp := aVersion previous)) ifFalse: [^nil]. |
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^tmp |
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! |
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|
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versionsAfter: aVersion |
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"Answer all the versions immediately following aVersion." |
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|
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| answer tmp | |
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answer := Set new. |
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tmp := aVersion next. |
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(versions includes: aVersion next) ifTrue: [answer add: tmp]. |
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|
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tmp := aVersion. |
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[versions includes: (tmp := tmp branchNext)] whileTrue: |
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[answer add: tmp]. |
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^answer |
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! ! |
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231 |
|
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!VersionHistory methodsFor:'adding'! |
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|
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addNewVersionBasedOn: aVersion |
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|
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| tmp | |
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(versions includes: aVersion) ifFalse: [^self error: 'Version is not in this history']. |
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|
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tmp := aVersion next. |
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(versions includes: tmp) ifFalse: |
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[versions add: tmp. |
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242 |
^tmp]. |
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243 |
|
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Jan Vrany <jan.vrany@fit.cvut.cz>
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|
244 |
tmp := aVersion. |
1997ff6e7e55
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Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
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|
245 |
[versions includes: (tmp := tmp branchNext)] whileTrue. |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
246 |
versions add: tmp. |
1997ff6e7e55
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Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
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|
247 |
^tmp |
1997ff6e7e55
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parents:
diff
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|
248 |
|
1997ff6e7e55
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Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
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|
249 |
! ! |
1997ff6e7e55
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Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
250 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
251 |
!VersionHistory methodsFor:'initialization'! |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
252 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
253 |
initializeVersionsAt: aVersion |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
254 |
|
1997ff6e7e55
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Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
255 |
versions := Set new. |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
256 |
versions add: aVersion. |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
257 |
! |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
258 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
259 |
initializeVersionsFrom: aCollection |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
260 |
|
1997ff6e7e55
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Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
261 |
versions := Set new. |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
262 |
aCollection do: [ :ea | versions add: ea ]. |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
263 |
! ! |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
264 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
265 |
!VersionHistory methodsFor:'printing'! |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
266 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
267 |
treeString |
1997ff6e7e55
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Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
268 |
"Answer a string that show the entire version history with |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
269 |
each branch starting on a new line" |
1997ff6e7e55
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Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
270 |
|
1997ff6e7e55
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Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
271 |
^self treeStringStartingAt: self firstVersion |
1997ff6e7e55
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Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
272 |
! |
1997ff6e7e55
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Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
273 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
274 |
treeStringOn: strm startingAt: aVersion |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
275 |
|
1997ff6e7e55
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Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
276 |
| tmp | |
1997ff6e7e55
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Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
277 |
tmp := self mainLineStartingAt: aVersion. |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
278 |
tmp do: [ :ea | ea versionStringOn: strm. strm space; space ]. |
1997ff6e7e55
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Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
279 |
strm cr. |
1997ff6e7e55
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Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
280 |
tmp do: |
1997ff6e7e55
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Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
281 |
[ :ea | |
1997ff6e7e55
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Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
282 |
(versions includes: ea branchNext) |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
283 |
ifTrue: [self treeStringOn: strm startingAt: ea branchNext]]. |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
284 |
! |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
285 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
286 |
treeStringStartingAt: aVersion |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
287 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
288 |
| strm | |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
289 |
strm := WriteStream on: ''. |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
290 |
self treeStringOn: strm startingAt: aVersion. |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
291 |
^strm contents |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
292 |
! ! |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
293 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
294 |
!VersionHistory methodsFor:'removing'! |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
295 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
296 |
remove: aVersion |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
297 |
"Remove aVersion from this version history." |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
298 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
299 |
^self remove: aVersion ifAbsent: [self error: 'version not found']. |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
300 |
! |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
301 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
302 |
remove: aVersion ifAbsent: aBlock |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
303 |
"Remove aVersion from this version history." |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
304 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
305 |
(versions includes: aVersion) ifFalse: [^aBlock value]. |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
306 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
307 |
(self canRemove: aVersion) ifFalse: |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
308 |
[^self error: 'Only versions at the beginning or end with no more than one follower may be removed']. |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
309 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
310 |
versions remove: aVersion. |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
311 |
! |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
312 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
313 |
removeBranch: aVersion |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
314 |
"Remove aVersion and all of it's successors, providing that |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
315 |
aVersion is not the first version." |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
316 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
317 |
(self versionBefore: aVersion) |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
318 |
ifNil: [^self error: 'version is the first version in the history']. |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
319 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
320 |
versions removeAll: (self allVersionsAfter: aVersion). |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
321 |
versions remove: aVersion. |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
322 |
! |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
323 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
324 |
removeTrunk: aVersion |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
325 |
"Remove aVersion and all of it's predecessors, providing there |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
326 |
are no other branches stemming from the trunk. Note, a trunk is defined |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
327 |
as all versions, starting with the first version, that have only one successor." |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
328 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
329 |
| tmp | |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
330 |
(self versionsAfter: aVersion) size > 1 |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
331 |
ifTrue: [^self error: 'version is at a fork']. |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
332 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
333 |
tmp := self allVersionsBefore: aVersion. |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
334 |
(tmp detect: [ :ea | (self versionsAfter: ea) size > 1 ] ifNone: [nil]) |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
335 |
ifNotNil: [^self error: 'not a trunk, other branches detected']. |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
336 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
337 |
versions removeAll: tmp. |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
338 |
versions remove: aVersion. |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
339 |
! ! |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
340 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
341 |
!VersionHistory methodsFor:'testing'! |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
342 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
343 |
canRemove: aVersion |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
344 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
345 |
| hasPriors followers | |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
346 |
(versions includes: aVersion) ifFalse: [^false]. |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
347 |
hasPriors := (self versionBefore: aVersion) notNil. |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
348 |
followers := self versionsAfter: aVersion. |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
349 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
350 |
"Don't allow versions in the middle to be extracted" |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
351 |
(hasPriors and: [followers size > 0]) ifTrue: [^false]. |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
352 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
353 |
"Don't allow versions with more than one follower to be extracted" |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
354 |
(hasPriors not and: [followers size > 1]) ifTrue: [^false]. |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
355 |
^true |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
356 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
357 |
! |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
358 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
359 |
includesVersion: aVersion |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
360 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
361 |
^versions includes: aVersion |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
362 |
! ! |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
363 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
364 |
!VersionHistory class methodsFor:'documentation'! |
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff
changeset
|
365 |
|
1997ff6e7e55
trunk branched into /branches/jv
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
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version |
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^ '$Header: /cvs/stx/stx/libbasic3/packages/VersionHistory.st,v 1.2 2006/01/10 09:31:46 cg Exp $' |
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! ! |