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"{ Package: 'stx:goodies/metacello' }"
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Magnitude subclass:#MetacelloSemanticVersionNumber
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instanceVariableNames:'normalVersion preReleaseVersion buildVersion'
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classVariableNames:''
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poolDictionaries:''
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category:'Metacello-Core-Model'
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!
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!MetacelloSemanticVersionNumber class methodsFor:'instance creation'!
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fromString: aString
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^ self fromString: aString forPattern: false
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!
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fromString: aString forPattern: forPattern
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| new tokens preRelease build versionString identifierCount normalEnd preReleaseEnd normalComponents preReleaseComponents buildComponents |
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normalComponents := OrderedCollection new.
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preReleaseComponents := OrderedCollection new.
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buildComponents := OrderedCollection new.
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preRelease := aString indexOf: $- startingAt: 1.
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build := aString indexOf: $+ startingAt: 1.
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(build > 0 and: [ preRelease > build ])
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ifTrue: [ preRelease := 0 ].
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normalEnd := preRelease = 0
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ifTrue: [
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build = 0
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ifTrue: [ aString size ]
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ifFalse: [ build - 1 ] ]
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ifFalse: [ preRelease - 1 ].
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versionString := aString copyFrom: 1 to: normalEnd.
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identifierCount := 0.
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(versionString findTokens: '.')
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do: [ :subString |
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| integer |
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forPattern
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ifTrue: [ integer := subString ]
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ifFalse: [
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integer := subString asInteger.
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integer < 0
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ifTrue: [ self error: 'invalid version number: normal version component must be integer ' , subString printString ] ].
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normalComponents add: integer.
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identifierCount := identifierCount + 1 ].
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(forPattern not and: [ identifierCount ~= 3 ])
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ifTrue: [ self error: 'invalid version number: normal version must have only 3 components' ].
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preReleaseEnd := build = 0
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ifTrue: [ aString size ]
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ifFalse: [ build - 1 ].
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preRelease > 0
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ifTrue: [
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versionString := aString copyFrom: preRelease + 1 to: preReleaseEnd.
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(versionString findTokens: '.')
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do: [ :subString |
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(forPattern or: [ self isSemanticIdentifier: subString ])
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ifFalse: [ self error: 'invalid version number: preRelease version component must be one of [0-9A-Za-z-]' ].
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preReleaseComponents add: (self extractNumericComponent: subString forPattern: forPattern) ] ].
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build > 0
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ifTrue: [
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versionString := aString copyFrom: build + 1 to: aString size.
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(versionString findTokens: '.')
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do: [ :subString |
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(forPattern or: [ self isSemanticIdentifier: subString ])
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ifFalse: [ self error: 'invalid version number: build version component must be one of [0-9A-Za-z-]' ].
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buildComponents add: (self extractNumericComponent: subString forPattern: forPattern) ] ].
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^ self new
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normalVersion: normalComponents;
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preReleaseVersion: preReleaseComponents;
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buildVersion: buildComponents;
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yourself
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! !
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!MetacelloSemanticVersionNumber class methodsFor:'private'!
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extractNumericComponent: subString forPattern: forPattern
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"$. separated components are integers"
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| number |
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forPattern
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ifTrue: [ ^ subString ].
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number := [ subString asNumber ]
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on: Error
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do: [ :ex | ex return: subString ].
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^ number asString = subString
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ifTrue: [ number ]
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ifFalse: [ subString ]
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!
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isSemanticIdentifier: aString
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"whether the receiver is composed entirely of alphanumerics"
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aString
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do: [ :c |
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c isAlphaNumeric
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ifFalse: [
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c = $-
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ifFalse: [ ^ false ] ] ].
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^ true
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! !
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!MetacelloSemanticVersionNumber methodsFor:'accessing'!
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approximateBase
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| base |
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base := self copyFrom: 1 to: self size - 1.
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base at: base size put: (base at: base size) + 1.
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^base
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!
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buildVersion
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buildVersion ifNil: [ buildVersion := #() ].
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^ buildVersion
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!
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buildVersion: anObject
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buildVersion := anObject
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!
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normalVersion
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normalVersion ifNil: [ normalVersion := #() ].
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^ normalVersion
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!
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normalVersion: anObject
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normalVersion := anObject
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!
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preReleaseVersion
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preReleaseVersion ifNil: [ preReleaseVersion := #() ].
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^ preReleaseVersion
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!
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preReleaseVersion: anObject
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preReleaseVersion := anObject
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!
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versionString
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| strm |
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strm := WriteStream on: String new.
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self printOn: strm.
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^strm contents
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! !
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!MetacelloSemanticVersionNumber methodsFor:'comparing'!
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< aMetacelloVersionNumber
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aMetacelloVersionNumber species = self species
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ifFalse: [ ^ false ].
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^ self compareLessThan: aMetacelloVersionNumber
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!
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= aMetacelloVersionNumber
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aMetacelloVersionNumber species = self species
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ifFalse: [ ^ false ].
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^ self compareEqualTo: aMetacelloVersionNumber
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!
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hash
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^ self versionComponents hash
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!
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match: aVersionPattern
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"Answer whether the version number of the receiver matches the given pattern string.
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A Metacello version number is made up of version sequences delimited by the characters $. and $-.
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The $. introduces a numeric version sequence and $- introduces an alphanumeric version sequence.
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A version pattern is made up of version pattern match sequences. also delimited by the characters $.
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and $-.. Each pattern match sequence is tested against the corresponding version sequence of the
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receiver, using the 'standard' pattern matching rules. All sequences must answer true for a match.
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The special pattern sequence '?' is a match for the corresponding version sequence and all subsequent
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version sequences. '?' as the version pattern matches all versions. No more version pattern
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sequences are permitted once the '?' sequence is used. If used, it is the last version pattern
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sequence. "
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| patternVersion mySize patternSize components |
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patternVersion := (self class fromString: aVersionPattern forPattern: true) versionComponents.
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components := self versionComponents.
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mySize := components size.
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patternSize := patternVersion size.
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mySize = patternSize
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ifFalse: [
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mySize < patternSize
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ifTrue: [ ^ false ].
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(patternVersion at: patternSize) ~= '?'
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ifTrue: [ ^ false ].
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mySize := patternSize ].
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1 to: mySize do: [ :i |
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| pattern |
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pattern := (patternVersion at: i) asString.
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pattern = '?'
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ifTrue: [
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i = mySize
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ifFalse: [ ^ self error: 'Invalid version match pattern: ' , aVersionPattern printString ] ]
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ifFalse: [
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(pattern match: (components at: i) asString)
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ifFalse: [ ^ false ] ] ].
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^ true
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!
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~> aMetacelloVersionNumber
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aMetacelloVersionNumber size == 1 ifTrue: [ ^false ].
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^self >= aMetacelloVersionNumber and: [ self < aMetacelloVersionNumber approximateBase ]
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! !
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!MetacelloSemanticVersionNumber methodsFor:'converting'!
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asMetacelloSemanticVersionNumber
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^ self
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! !
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!MetacelloSemanticVersionNumber methodsFor:'copying'!
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copyFrom: start to: stop
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"Answer a copy of a subset of the receiver, starting from element at
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index start until element at index stop."
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| newSize new j |
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newSize := stop - start + 1.
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new := self species new: newSize.
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j := 0.
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start to: stop do: [:i |
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new at: j + 1 put: (self at: i).
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j := j + 1 ].
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^new
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! !
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!MetacelloSemanticVersionNumber methodsFor:'enumerating'!
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do: aBlock
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"Refer to the comment in Collection|do:."
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1 to: self size do:
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[:index | aBlock value: (self at: index)]
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!
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do: elementBlock separatedBy: separatorBlock
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"Evaluate the elementBlock for all elements in the receiver,
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and evaluate the separatorBlock between."
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| beforeFirst |
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beforeFirst := true.
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self do:
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[:each |
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beforeFirst
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ifTrue: [beforeFirst := false]
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ifFalse: [separatorBlock value].
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elementBlock value: each]
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! !
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!MetacelloSemanticVersionNumber methodsFor:'operations'!
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decrementMinorVersionNumber
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| int |
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self size to: 1 by: -1 do: [ :index |
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(int := self at: index) isString
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ifFalse: [
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int > 0
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ifTrue: [ self at: index put: int - 1 ].
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^ self ] ]
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!
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incrementMinorVersionNumber
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| int |
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self size to: 1 by: -1 do: [:index |
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(int := self at: index) isString
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ifFalse: [
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self at: index put: int + 1.
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^self ]].
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! !
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!MetacelloSemanticVersionNumber methodsFor:'printing'!
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asString
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"Answer a string that represents the receiver."
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^ self printString
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!
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print: components prefix: prefixChar on: aStream
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| beforeFirst |
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beforeFirst := true.
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components
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do: [ :component |
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beforeFirst
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ifTrue: [
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beforeFirst := false.
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prefixChar ifNotNil: [ aStream nextPut: prefixChar ] ]
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ifFalse: [ aStream nextPut: $. ].
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aStream nextPutAll: component asString ]
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!
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printOn: aStream
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self print: self normalVersion prefix: nil on: aStream.
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self print: self preReleaseVersion prefix: $- on: aStream.
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self print: self buildVersion prefix: $+ on: aStream
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! !
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!MetacelloSemanticVersionNumber methodsFor:'private'!
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compareEqualTo: aMetacelloVersionNumber
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aMetacelloVersionNumber species = self species
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ifFalse: [ ^ false ].
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(self compareEqualTo: self normalVersion other: aMetacelloVersionNumber normalVersion)
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ifFalse: [ ^ false ].
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(self compareEqualTo: self preReleaseVersion other: aMetacelloVersionNumber preReleaseVersion)
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ifFalse: [ ^ false ].
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^ self compareEqualTo: self buildVersion other: aMetacelloVersionNumber buildVersion
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!
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compareEqualTo: myComponents other: otherComponents
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| mySize |
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mySize := myComponents size.
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mySize = otherComponents size
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ifFalse: [ ^ false ].
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1 to: mySize do: [ :i |
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(myComponents at: i) = (otherComponents at: i)
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ifFalse: [ ^ false ] ].
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^ true
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!
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compareLessThan: aMetacelloVersionNumber
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| myComponents otherComponents defaultResult |
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aMetacelloVersionNumber species = self species
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ifFalse: [ ^ false ].
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myComponents := self normalVersion.
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otherComponents := aMetacelloVersionNumber normalVersion.
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defaultResult := true.
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(self compareEqualTo: myComponents other: otherComponents)
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ifTrue: [ defaultResult := false ]
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ifFalse: [
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(self compareLessThan: myComponents other: otherComponents version: #'normal')
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ifFalse: [ ^ false ] ].
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myComponents := self preReleaseVersion.
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otherComponents := aMetacelloVersionNumber preReleaseVersion.
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(self compareEqualTo: myComponents other: otherComponents)
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ifTrue: [
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myComponents size > 0
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ifTrue: [ defaultResult := false ] ]
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ifFalse: [ ^ self compareLessThan: myComponents other: otherComponents version: #'preRelease' ].
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myComponents := self buildVersion.
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otherComponents := aMetacelloVersionNumber buildVersion.
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^ (self compareEqualTo: myComponents other: otherComponents)
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ifTrue: [ defaultResult ]
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ifFalse: [ self compareLessThan: myComponents other: otherComponents version: #'build' ]
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!
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compareLessThan: myComponents other: otherComponents version: version
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| mySize aSize commonSize count more |
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mySize := myComponents size.
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aSize := otherComponents size.
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commonSize := mySize min: aSize.
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count := 0.
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more := true.
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[ more and: [ count < commonSize ] ]
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whileTrue: [
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(myComponents at: count + 1) = (otherComponents at: count + 1)
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ifTrue: [ count := count + 1 ]
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ifFalse: [ more := false ] ].
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count < commonSize
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ifTrue: [ ^ (myComponents at: count + 1) metacelloSemanticVersionComponentLessThan: (otherComponents at: count + 1) ].
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mySize < aSize
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ifTrue: [
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mySize = 0
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ifTrue: [
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#'preRelease' == version
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ifTrue: [ ^ false ].
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^ true ].
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(myComponents at: commonSize) = (otherComponents at: commonSize)
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ifFalse: [ ^ true ].
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^ true ]
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ifFalse: [
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mySize = aSize
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ifTrue: [ ^ false ].
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aSize = 0
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ifTrue: [
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#'build' == version
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ifTrue: [ ^ false ].
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^ true ].
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(myComponents at: commonSize) = (otherComponents at: commonSize)
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ifFalse: [ ^ false ].
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^ true ]
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!
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versionComponents
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^ self normalVersion , self preReleaseVersion , self buildVersion
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! !
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!MetacelloSemanticVersionNumber class methodsFor:'documentation'!
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version_SVN
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^ '$Id:: $'
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! !
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