author | Claus Gittinger <cg@exept.de> |
Fri, 08 Nov 1996 15:11:11 +0100 | |
changeset 1934 | f21f70387dc4 |
parent 1933 | 74a0bff1ad19 |
child 1943 | 0ec17e4627ae |
permissions | -rw-r--r-- |
1827 | 1 |
" |
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COPYRIGHT (c) 1996 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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Object subclass:#Namespace |
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instanceVariableNames:'' |
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classVariableNames:'' |
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poolDictionaries:'' |
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category:'Kernel-Classes' |
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! |
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!Namespace class methodsFor:'documentation'! |
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copyright |
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" |
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COPYRIGHT (c) 1996 by Claus Gittinger |
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All Rights Reserved |
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||
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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 |
|
29 |
inclusion of the above copyright notice. This software may not |
|
30 |
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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! |
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documentation |
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" |
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A Namespace is actually a dummy class, providing a home |
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for its private classes. This has two advantages: |
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- we only need one mechanism for both namespaces |
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and private classes |
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- there are no possible conflicts between a class |
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and a namespace named alike. |
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[author:] |
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Claus Gittinger |
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[see also:] |
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Behavior ClassDescription Class Metaclass |
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PrivateMetaclass |
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" |
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! ! |
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!Namespace class methodsFor:'instance creation'! |
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moved namespace creation completely to Namespace class.
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parents:
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diff
changeset
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fullName:aFullNameSpacePathName |
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parents:
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diff
changeset
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"given a pissibly nested name of a namespace, create all required |
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moved namespace creation completely to Namespace class.
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parents:
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diff
changeset
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intermediate spaces (if not already existing) and return the |
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moved namespace creation completely to Namespace class.
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parents:
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diff
changeset
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bottom-level space." |
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moved namespace creation completely to Namespace class.
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parents:
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diff
changeset
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|
5f60d3e5ba6e
moved namespace creation completely to Namespace class.
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parents:
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diff
changeset
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"/ break it up, check for all intermediate spaces to exist |
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moved namespace creation completely to Namespace class.
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parents:
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diff
changeset
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"/ create them as required. |
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|
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moved namespace creation completely to Namespace class.
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diff
changeset
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|list idx0 idx superSpace done thisNamespace| |
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parents:
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diff
changeset
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|
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moved namespace creation completely to Namespace class.
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parents:
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diff
changeset
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list := OrderedCollection new. |
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parents:
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idx0 := 1. |
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done := false. |
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parents:
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diff
changeset
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[done] whileFalse:[ |
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parents:
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idx := aFullNameSpacePathName indexOf:$: startingAt:idx0. |
5f60d3e5ba6e
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parents:
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diff
changeset
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(idx ~~ 0) ifTrue:[ |
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parents:
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(idx < aFullNameSpacePathName size and:[(aFullNameSpacePathName at:(idx+1)) == $:]) ifTrue:[ |
5f60d3e5ba6e
moved namespace creation completely to Namespace class.
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parents:
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diff
changeset
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superSpace := aFullNameSpacePathName copyFrom:idx0 to:(idx-1). |
5f60d3e5ba6e
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parents:
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diff
changeset
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list add:superSpace. |
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parents:
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diff
changeset
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idx0 := idx +2. |
5f60d3e5ba6e
moved namespace creation completely to Namespace class.
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parents:
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diff
changeset
|
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] ifFalse:[ |
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parents:
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diff
changeset
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done := true |
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moved namespace creation completely to Namespace class.
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parents:
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diff
changeset
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] |
5f60d3e5ba6e
moved namespace creation completely to Namespace class.
Claus Gittinger <cg@exept.de>
parents:
1908
diff
changeset
|
83 |
] ifFalse:[ |
5f60d3e5ba6e
moved namespace creation completely to Namespace class.
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parents:
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diff
changeset
|
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done := true. |
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moved namespace creation completely to Namespace class.
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parents:
1908
diff
changeset
|
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] |
5f60d3e5ba6e
moved namespace creation completely to Namespace class.
Claus Gittinger <cg@exept.de>
parents:
1908
diff
changeset
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]. |
5f60d3e5ba6e
moved namespace creation completely to Namespace class.
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parents:
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diff
changeset
|
87 |
list add:(aFullNameSpacePathName copyFrom:idx0). |
5f60d3e5ba6e
moved namespace creation completely to Namespace class.
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parents:
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changeset
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|
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moved namespace creation completely to Namespace class.
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parents:
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diff
changeset
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"/ now, look and create 'em |
5f60d3e5ba6e
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parents:
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changeset
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|
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moved namespace creation completely to Namespace class.
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parents:
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thisNamespace := nil. |
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parents:
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changeset
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list do:[:aName | |
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changeset
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|key x| |
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changeset
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|
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moved namespace creation completely to Namespace class.
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parents:
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changeset
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key := aName asSymbol. |
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changeset
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|
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moved namespace creation completely to Namespace class.
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parents:
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diff
changeset
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thisNamespace isNil ifTrue:[ |
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moved namespace creation completely to Namespace class.
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parents:
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changeset
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(Smalltalk includesKey:key) ifTrue:[ |
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moved namespace creation completely to Namespace class.
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parents:
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changeset
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thisNamespace := Smalltalk at:key. |
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parents:
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changeset
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100 |
(thisNamespace notNil |
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parents:
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and:[thisNamespace isBehavior not]) ifTrue:[ |
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^ self error:'name conflict: namespace ' , aName , ' vs. global'. |
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] |
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moved namespace creation completely to Namespace class.
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parents:
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diff
changeset
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]. |
5f60d3e5ba6e
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parents:
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diff
changeset
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thisNamespace isNil ifTrue:[ |
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moved namespace creation completely to Namespace class.
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parents:
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changeset
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thisNamespace := self name:key |
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Claus Gittinger <cg@exept.de>
parents:
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changeset
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] |
5f60d3e5ba6e
moved namespace creation completely to Namespace class.
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
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] ifFalse:[ |
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parents:
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changeset
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x := thisNamespace privateClassesAt:key. |
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parents:
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changeset
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x notNil ifTrue:[ |
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thisNamespace := x |
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parents:
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changeset
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] ifFalse:[ |
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thisNamespace := |
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self subclass:key |
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instanceVariableNames:'' |
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changeset
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classVariableNames:'' |
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parents:
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poolDictionaries:'' |
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changeset
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privateIn:thisNamespace |
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] |
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changeset
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] |
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parents:
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changeset
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121 |
]. |
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parents:
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changeset
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|
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|
123 |
^ thisNamespace |
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124 |
|
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parents:
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changeset
|
125 |
"Created: 8.11.1996 / 13:41:59 / cg" |
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parents:
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! |
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parents:
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|
127 |
|
1828 | 128 |
name:aSymbol |
1908 | 129 |
"create a new nameSpace, named aSymbol" |
130 |
||
1828 | 131 |
|newNamespace| |
132 |
||
1931
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133 |
(aSymbol includes:$:) ifTrue:[ |
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134 |
self error:'invalid namespace name'. |
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135 |
^ nil. |
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136 |
]. |
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parents:
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changeset
|
137 |
|
1908 | 138 |
newNamespace := self subclass:aSymbol |
1931
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parents:
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diff
changeset
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139 |
instanceVariableNames:'' |
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parents:
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diff
changeset
|
140 |
classVariableNames:'' |
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moved namespace creation completely to Namespace class.
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parents:
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diff
changeset
|
141 |
poolDictionaries:'' |
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parents:
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changeset
|
142 |
category:'uncategorized namespace'. |
1908 | 143 |
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1828 | 144 |
^ newNamespace |
1901 | 145 |
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146 |
" |
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147 |
Namespace name:'foo' |
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148 |
(Namespace name:'foo') category:'my name space' |
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149 |
" |
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1931
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parents:
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diff
changeset
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|
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parents:
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diff
changeset
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151 |
"Modified: 8.11.1996 / 13:40:03 / cg" |
1828 | 152 |
! |
153 |
||
154 |
new |
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155 |
self error:'namespaces are not to be created with new' |
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156 |
! ! |
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157 |
||
1908 | 158 |
!Namespace class methodsFor:'accessing'! |
1827 | 159 |
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160 |
at:classNameSymbol |
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^ self privateClassesAt:classNameSymbol |
1827 | 162 |
! |
163 |
||
164 |
at:classNameSymbol ifAbsent:exceptionBlock |
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165 |
|cls| |
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166 |
||
1828 | 167 |
cls := self privateClassesAt:classNameSymbol. |
1827 | 168 |
cls isNil ifTrue:[ |
169 |
^ exceptionBlock value |
|
170 |
]. |
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171 |
^ cls |
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172 |
! |
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173 |
||
174 |
at:classNameSymbol put:aClass |
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1828 | 175 |
^ self privateClassesAt:classNameSymbol put:aClass |
1827 | 176 |
! ! |
177 |
||
1908 | 178 |
!Namespace class methodsFor:'enumerating'! |
1816 | 179 |
|
180 |
allBehaviorsDo:aBlock |
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1828 | 181 |
self privateClassesDo:aBlock |
1816 | 182 |
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183 |
"Created: 26.10.1996 / 12:29:01 / cg" |
|
184 |
! ! |
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185 |
||
1908 | 186 |
!Namespace class methodsFor:'fileOut'! |
1828 | 187 |
|
188 |
basicFileOutDefinitionOn:aStream |
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1934 | 189 |
self == Namespace ifTrue:[ |
190 |
super basicFileOutDefinitionOn:aStream |
|
191 |
] ifFalse:[ |
|
192 |
aStream nextPutAll:('Namespace name:' , self name storeString) |
|
193 |
] |
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1828 | 194 |
! ! |
195 |
||
1908 | 196 |
!Namespace class methodsFor:'queries'! |
1816 | 197 |
|
198 |
isNamespace |
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199 |
^ true |
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200 |
||
201 |
"Created: 26.10.1996 / 11:13:36 / cg" |
|
202 |
! ! |
|
203 |
||
204 |
!Namespace class methodsFor:'documentation'! |
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205 |
||
206 |
version |
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1934 | 207 |
^ '$Header: /cvs/stx/stx/libbasic/NameSpace.st,v 1.8 1996-11-08 14:11:11 cg Exp $' |
1816 | 208 |
! ! |