author | Claus Gittinger <cg@exept.de> |
Fri, 15 Jan 1999 21:53:59 +0100 | |
changeset 3956 | 51f1a9a4d63f |
parent 3919 | 9003ca082dcf |
child 4871 | 211a7f44946d |
permissions | -rw-r--r-- |
1 | 1 |
" |
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COPYRIGHT (c) 1991 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 |
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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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||
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Set subclass:#Dictionary |
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instanceVariableNames:'valueArray' |
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classVariableNames:'' |
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poolDictionaries:'' |
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category:'Collections-Unordered' |
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! |
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!Dictionary class methodsFor:'documentation'! |
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|
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copyright |
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" |
|
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COPYRIGHT (c) 1991 by Claus Gittinger |
|
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All Rights Reserved |
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|
27 |
This software is furnished under a license and may be used |
|
28 |
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 |
|
31 |
other person. No title to or ownership of the software is |
|
32 |
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 Dictionary is (conceptionally) a set of Associations storing key-value pairs. |
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(The implementation uses two arrays to store the keys and values separately.) |
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Searching for an element is done using a hash into the key array. |
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Another way of looking at a dictionary is as a array which uses |
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arbitrary access keys (i.e. not just integers as arrays do). |
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Since the keys are unordered, no internal element order is defined |
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(i.e. enumerating them may return elements in any order - even changing |
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over time). |
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Many methods for searching and hashing are inherited from Set. |
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|
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[Instance variables:] |
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|
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keyArray <Array> (from Set) the keys |
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valueArray <Array> the values ('valueArray at:index' corresponds |
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to the value stored under 'keyArray at:index') |
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|
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Performance hints: |
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since the dictionary does not really store associations internally, |
59 |
it is less efficient, to store/retrieve associations. The reason is |
|
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that these assocs are created temporarily in some extract methods. |
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I.e. 'at:key put:value' is faster than 'add:anAssoc' |
62 |
and 'keysAndValuesDo:' is faster than 'associationsDo:' etc. |
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|
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If only symbols or smallIntegers are used as keys, use IdentityDictionaries |
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for slightly better performance, since both hashing and comparison is faster. |
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If you have a rough idea how big the dictionary is going to grow, |
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create it using #new: instead of #new. Even if the size given is a |
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poor guess (say half of the real size), there is some 20-30% performance |
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win to expect, since many resizing operations are avoided when associations |
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are added. |
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[See also:] |
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Set, IdentityDictionary, IdentitySet, WeakIdentitySet and |
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WeakIdentityDictionary |
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||
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[author:] |
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Claus Gittinger |
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" |
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! ! |
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||
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!Dictionary class methodsFor:'instance creation'! |
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withKeys:keyArray andValues:valueArray |
85 |
"return a new instance where keys and values are taken from |
|
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the argumentArrays." |
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||
88 |
|newDict sz "{ Class: SmallInteger }"| |
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||
90 |
sz := keyArray size. |
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newDict := self new:sz. |
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keyArray with:valueArray do:[:key :value | |
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newDict at:key put:value |
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]. |
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^ newDict |
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||
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" |
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Dictionary withKeys:#('one' 'two' 'three' 'four') |
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andValues:#(1 2 3 4) |
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" |
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! |
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||
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withKeysAndValues:anArray |
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"return a new instance where keys and values are taken from alternating |
|
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elements of anArray" |
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|
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|newDict sz "{ Class: SmallInteger }"| |
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sz := anArray size. |
110 |
newDict := self new:(sz // 2). |
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1 to:sz by:2 do:[:i | |
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newDict at:(anArray at:i) put:(anArray at:i+1) |
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]. |
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^ newDict |
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|
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" |
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Dictionary withKeysAndValues:#('one' 1 'two' 2 'three' 3 'four' 4) |
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" |
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! ! |
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!Dictionary class methodsFor:'STBroker'! |
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unmarshallCorbaStructureType: anODLTypeStructure using: aMarshaller |
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^aMarshaller |
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unmarshallDictionaryTypeStructure: anODLTypeStructure |
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class: self! ! |
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|
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!Dictionary methodsFor:'accessing'! |
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||
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associationAt:aKey |
132 |
"return an association consisting of aKey and the element indexed |
|
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by aKey - |
|
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report an error, if no element is stored under aKey" |
|
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||
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^ Association key:aKey value:(self at:aKey) |
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! |
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||
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associationAt:aKey ifAbsent:exceptionBlock |
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"return an association consisting of aKey and the element indexed by aKey - |
|
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return result of exceptionBlock if no element is stored under aKey" |
|
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||
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^ Association key:aKey value:(self at:aKey ifAbsent:[^ exceptionBlock value]) |
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! |
145 |
||
146 |
associations |
|
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"return an ordered collection containing the receivers associations." |
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||
149 |
|coll| |
|
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||
151 |
coll := OrderedCollection new:(keyArray size). |
|
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self associationsDo:[:assoc | coll add:assoc]. |
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^ coll |
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! |
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||
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at:aKey |
157 |
"return the element indexed by aKey - report an error if none found" |
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||
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|index| |
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||
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aKey isNil ifTrue:[ |
|
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"/ nil is not allowed as key |
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^ self errorInvalidKey:aKey |
155 | 164 |
]. |
362 | 165 |
|
166 |
"/ |
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"/ I could have written: |
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"/ index := self find:aKey ifAbsent:[^ self errorKeyNotFound:aKey] |
|
169 |
"/ but the code below is slighlty more efficient, since it avoids |
|
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"/ a block creation - thus speeding up the good case. |
362 | 171 |
|
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index := self find:aKey ifAbsent:0. |
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index ~~ 0 ifTrue:[ |
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^ valueArray basicAt:index |
155 | 175 |
]. |
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"no such key" |
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^ self errorKeyNotFound:aKey |
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! |
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||
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at:aKey ifAbsent:exceptionBlock |
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"return the element indexed by aKey - |
68 | 182 |
return result of exceptionBlock if no element is stored under aKey" |
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|index| |
185 |
||
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aKey isNil ifTrue:[ |
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"/ nil is not allowed as key |
188 |
"/ |
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"/ previous versions of ST/X raised an error |
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"/ here. However, there seem to exist applications |
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"/ which depend on getting the exceptionBlocks value |
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"/ in this case ... well ... |
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"/ ^ self errorInvalidKey:aKey |
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^ exceptionBlock value |
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]. |
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|
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"/ I could have written: |
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"/ index := self find:aKey ifAbsent:[^ exceptionBlock value] |
|
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"/ but the code below is slighlty more efficient, since it avoids |
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1146 | 200 |
"/ a block creation - thus speeding up the good case. |
362 | 201 |
|
202 |
index := self find:aKey ifAbsent:0. |
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parents:
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203 |
index ~~ 0 ifTrue:[ |
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parents:
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^ valueArray basicAt:index |
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205 |
]. |
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206 |
^ exceptionBlock value. |
1 | 207 |
! |
208 |
||
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|
209 |
at:aKey ifAbsentPut:valueBlock |
3215 | 210 |
"return the element indexed by aKey if present, |
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211 |
if not present, store the result of evaluating valueBlock |
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|
212 |
under aKey and return it. |
3215 | 213 |
WARNING: do not add elements while iterating over the receiver. |
214 |
Iterate over a copy to do this." |
|
215 |
||
216 |
|index "{ Class: SmallInteger }" |
|
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217 |
newValue| |
3215 | 218 |
|
219 |
aKey isNil ifTrue:[ |
|
220 |
"nil is not allowed as key" |
|
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|
221 |
^ self errorInvalidKey:aKey |
3215 | 222 |
] ifFalse:[ |
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index := self findKeyOrNil:aKey. |
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|
224 |
(keyArray basicAt:index) notNil ifTrue:[ |
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|
225 |
"/ already present |
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226 |
^ valueArray at:index. |
3215 | 227 |
]. |
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228 |
"/ a new one |
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|
229 |
newValue := valueBlock value. |
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parents:
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|
230 |
keyArray basicAt:index put:aKey. |
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|
231 |
valueArray basicAt:index put:newValue. |
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parents:
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changeset
|
232 |
tally := tally + 1. |
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|
233 |
self fullCheck. |
3215 | 234 |
]. |
235 |
^ newValue |
|
236 |
||
237 |
" |
|
238 |
|d| |
|
239 |
||
240 |
d := Dictionary new. |
|
241 |
Transcript showCR:(d at:'foo' ifAbsentPut:'bar'). |
|
242 |
Transcript showCR:(d at:'foo2' ifAbsentPut:'bar2'). |
|
243 |
Transcript showCR:(d at:'foo' ifAbsentPut:'barX'). |
|
244 |
Transcript showCR:(d at:'foo2' ifAbsentPut:'bar2X'). |
|
245 |
" |
|
246 |
||
247 |
"Created: / 23.1.1998 / 18:28:26 / cg" |
|
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parents:
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|
248 |
"Modified: / 26.2.1998 / 19:10:09 / stefan" |
3215 | 249 |
! |
250 |
||
1 | 251 |
at:aKey put:anObject |
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diff
changeset
|
252 |
"add the argument anObject under key, aKey to the receiver. |
1221 | 253 |
Return anObject (sigh). |
1053
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added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
254 |
WARNING: do not add elements while iterating over the receiver. |
1221 | 255 |
Iterate over a copy to do this." |
1 | 256 |
|
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diff
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|
257 |
|index "{ Class: SmallInteger }"| |
1 | 258 |
|
259 |
aKey isNil ifTrue:[ |
|
1221 | 260 |
"nil is not allowed as key" |
261 |
self errorInvalidKey:aKey |
|
1 | 262 |
] ifFalse:[ |
1432
441054addd1e
#at:put with nil value is actually a #removeKey:
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parents:
1417
diff
changeset
|
263 |
anObject isNil ifTrue:[ |
441054addd1e
#at:put with nil value is actually a #removeKey:
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parents:
1417
diff
changeset
|
264 |
self removeKey:aKey ifAbsent:nil. |
441054addd1e
#at:put with nil value is actually a #removeKey:
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|
265 |
^ nil |
441054addd1e
#at:put with nil value is actually a #removeKey:
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diff
changeset
|
266 |
]. |
1221 | 267 |
index := self findKeyOrNil:aKey. |
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changeset
|
268 |
(keyArray basicAt:index) notNil ifTrue:[ |
0fd1d715e5a9
oops - the last one was not good
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parents:
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|
269 |
"/ key already present |
1221 | 270 |
valueArray basicAt:index put:anObject. |
271 |
^ anObject |
|
272 |
]. |
|
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|
273 |
"/ a new key |
1221 | 274 |
keyArray basicAt:index put:aKey. |
275 |
valueArray basicAt:index put:anObject. |
|
276 |
tally := tally + 1. |
|
1 | 277 |
|
1221 | 278 |
self fullCheck. |
362 | 279 |
]. |
280 |
^ anObject |
|
1053
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parents:
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diff
changeset
|
281 |
|
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282 |
"Modified: 30.1.1997 / 14:59:10 / cg" |
1 | 283 |
! |
284 |
||
609 | 285 |
keyAtEqualValue:aValue |
286 |
"return the key whose value is equal (i.e. using #= for compare) |
|
287 |
to the argument, nil if none found. |
|
288 |
This is a slow access, since there is no fast reverse mapping. |
|
289 |
NOTICE: |
|
290 |
The value is searched using equality compare; |
|
291 |
use #keyAtValue: to compare for identity." |
|
77 | 292 |
|
609 | 293 |
^ self keyAtEqualValue:aValue ifAbsent:[nil] |
10 | 294 |
! |
295 |
||
609 | 296 |
keyAtEqualValue:aValue ifAbsent:exceptionBlock |
297 |
"return the key whose value is equal (i.e. using #= for compare) |
|
298 |
to the argument, if not found, return the value of exceptionBlock. |
|
299 |
This is a slow access, since there is no fast reverse mapping. |
|
300 |
NOTICE: |
|
301 |
The value is searched using equality compare; |
|
302 |
use #keyAtValue:ifAbsent: to compare for identity." |
|
54 | 303 |
|
609 | 304 |
|idx| |
360 | 305 |
|
609 | 306 |
idx := valueArray indexOf:aValue. |
307 |
idx ~~ 0 ifTrue:[ |
|
308 |
^ keyArray at:idx |
|
309 |
]. |
|
54 | 310 |
|
609 | 311 |
"/ keyArray keysAndValuesDo:[:index :aKey | |
312 |
"/ (aKey notNil and:[aKey ~~ DeletedEntry]) ifTrue:[ |
|
313 |
"/ (valueArray at:index) = aValue ifTrue:[^ aKey]. |
|
314 |
"/ ]. |
|
315 |
"/ ]. |
|
54 | 316 |
|
609 | 317 |
^ exceptionBlock value |
54 | 318 |
! |
319 |
||
10 | 320 |
keyAtValue:aValue |
345 | 321 |
"return the key whose value is identical (i.e. using #== for compare) |
322 |
to the argument, nil if none found. |
|
77 | 323 |
This is a slow access, since there is no fast reverse mapping. |
357 | 324 |
NOTICE: |
362 | 325 |
The value is searched using identity compare; |
357 | 326 |
use #keyAtEqualValue: to compare for equality." |
10 | 327 |
|
328 |
^ self keyAtValue:aValue ifAbsent:[nil] |
|
329 |
! |
|
330 |
||
331 |
keyAtValue:aValue ifAbsent:exceptionBlock |
|
345 | 332 |
"return the key whose value is identical (i.e. using #== for compare) |
333 |
to the argument, if not found, return the value of exceptionBlock. |
|
357 | 334 |
This is a slow access, since there is no fast reverse mapping. |
335 |
NOTICE: |
|
2466 | 336 |
The value is searched using identity compare; |
337 |
use #keyAtEqualValue:ifAbsent: to compare for equality." |
|
10 | 338 |
|
359 | 339 |
|idx| |
340 |
||
2466 | 341 |
idx := valueArray identityIndexOf:aValue startingAt:1. |
359 | 342 |
idx ~~ 0 ifTrue:[ |
2466 | 343 |
^ keyArray at:idx |
10 | 344 |
]. |
359 | 345 |
|
346 |
"/ keyArray keysAndValuesDo:[:index :aKey | |
|
360 | 347 |
"/ (aKey notNil and:[aKey ~~ DeletedEntry]) ifTrue:[ |
348 |
"/ (valueArray at:index) == aValue ifTrue:[^ aKey]. |
|
349 |
"/ ]. |
|
359 | 350 |
"/ ]. |
351 |
||
10 | 352 |
^ exceptionBlock value |
2466 | 353 |
|
354 |
"Modified: 20.3.1997 / 15:58:49 / cg" |
|
357 | 355 |
! |
356 |
||
609 | 357 |
keys |
358 |
"return a collection containing all keys of the receiver" |
|
359 |
||
360 |
|keySet| |
|
357 | 361 |
|
609 | 362 |
keySet := self emptyCollectionForKeys. |
363 |
keyArray do:[:key | |
|
364 |
(key notNil and:[key ~~ DeletedEntry]) ifTrue:[ |
|
365 |
keySet add:key |
|
366 |
] |
|
367 |
]. |
|
368 |
^ keySet |
|
357 | 369 |
! |
370 |
||
609 | 371 |
values |
372 |
"return a collection containing all values of the receiver" |
|
359 | 373 |
|
609 | 374 |
"old: |
375 |
kk: this fails if the receiver contains nils |
|
376 |
^ valueArray asBag |
|
377 |
new: |
|
378 |
" |
|
379 |
|aCollection| |
|
359 | 380 |
|
609 | 381 |
aCollection := OrderedCollection new:valueArray size. |
382 |
self do:[:value| aCollection add:value]. |
|
383 |
^ aCollection |
|
1 | 384 |
! ! |
385 |
||
386 |
!Dictionary methodsFor:'adding & removing'! |
|
387 |
||
388 |
add:anAssociation |
|
1053
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
389 |
"add the argument, anAssociation to the receiver. |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
390 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
391 |
WARNING: do not add elements while iterating over the receiver. |
1126
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
392 |
Iterate over a copy to do this." |
1 | 393 |
|
394 |
self at:(anAssociation key) put:(anAssociation value). |
|
395 |
^ anAssociation |
|
1053
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
396 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
397 |
"Modified: 1.3.1996 / 21:23:53 / cg" |
1 | 398 |
! |
399 |
||
2711 | 400 |
addPairsFrom:aSequenceableCollection |
401 |
"merge all key-value pairs from aDictionary into the receiver." |
|
402 |
||
403 |
aSequenceableCollection pairWiseDo:[:key :value | |
|
404 |
self at:key put:value. |
|
405 |
] |
|
406 |
||
407 |
"Modified: 1.3.1996 / 21:24:03 / cg" |
|
408 |
! |
|
409 |
||
345 | 410 |
declare:key from:aDictionary |
411 |
"if the receiver does not include an association for key, |
|
412 |
take the association from aDictionary and add it to the receiver. |
|
413 |
If aDictionary does not contain such an association, use nil |
|
1053
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
414 |
as the value of the new dictionary. |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
415 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
416 |
WARNING: do not add elements while iterating over the receiver. |
1126
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
417 |
Iterate over a copy to do this." |
345 | 418 |
|
419 |
|value| |
|
420 |
||
421 |
(self includesKey:key) ifFalse:[ |
|
1126
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
422 |
value := aDictionary at:key ifAbsent:nil. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
423 |
self at:key put:value. |
345 | 424 |
] |
1053
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
425 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
426 |
"Modified: 1.3.1996 / 21:24:03 / cg" |
345 | 427 |
! |
428 |
||
2711 | 429 |
declareAllFrom:aDictionary |
430 |
"merge all key-value pairs from aDictionary into the receiver." |
|
431 |
||
432 |
aDictionary keysAndValuesDo:[:key :value | |
|
433 |
self at:key put:value. |
|
434 |
] |
|
435 |
||
436 |
"Modified: 1.3.1996 / 21:24:03 / cg" |
|
437 |
! |
|
438 |
||
1 | 439 |
remove:oldObject ifAbsent:aBlock |
440 |
"remove oldObject from the collection and return it. |
|
641
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
441 |
If it was not in the collection return the value of aBlock. |
1053
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
442 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
443 |
This is blocked here; you have to use one of |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
444 |
#removeKey:, #saveRemoveKey:, #removeAssociation:, |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
445 |
#removeValue: or #saveRemoveValue:" |
1 | 446 |
|
641
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
447 |
^ self shouldNotImplement |
1053
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
448 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
449 |
"Modified: 1.3.1996 / 21:21:38 / cg" |
1 | 450 |
! |
451 |
||
452 |
removeAssociation:assoc |
|
453 |
"remove the association from the collection. |
|
641
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
454 |
If it was not in the collection report an error. |
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
455 |
Only the key is used in the passed argument, and a new |
1053
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
456 |
association, for the key and the previously stored value is returned. |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
457 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
458 |
WARNING: do not remove elements while iterating over the receiver. |
1126
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
459 |
See #saveRemoveKey: to do this." |
1 | 460 |
|
641
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
461 |
|key| |
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
462 |
|
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
463 |
key := assoc key. |
2897 | 464 |
^ Association key:key value:(self removeKey:key) |
641
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
465 |
|
1053
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
466 |
"Modified: 1.3.1996 / 21:21:11 / cg" |
1 | 467 |
! |
468 |
||
469 |
removeKey:aKey |
|
470 |
"remove the association under aKey from the collection. |
|
1053
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
471 |
If it was not in the collection report an error. |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
472 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
473 |
WARNING: do not remove elements while iterating over the receiver. |
1126
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
474 |
See #saveRemoveKey: to do this." |
1 | 475 |
|
641
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
476 |
^ self removeKey:aKey ifAbsent:[self errorKeyNotFound:aKey] |
1053
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
477 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
478 |
"Modified: 1.3.1996 / 21:21:52 / cg" |
1 | 479 |
! |
480 |
||
481 |
removeKey:aKey ifAbsent:aBlock |
|
641
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
482 |
"remove the association under aKey from the collection, |
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
483 |
return the value previously stored there.. |
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
484 |
If it was not in the collection return the result |
1053
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
485 |
from evaluating aBlock. |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
486 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
487 |
WARNING: do not remove elements while iterating over the receiver. |
1126
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
488 |
See #saveRemoveKey: to do this." |
1 | 489 |
|
3 | 490 |
|index "{ Class:SmallInteger }" |
641
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
491 |
next "{ Class:SmallInteger }" |
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
492 |
oldValue| |
1 | 493 |
|
494 |
aKey isNil ifTrue:[ |
|
1126
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
495 |
^ self errorInvalidKey:aKey |
641
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
496 |
]. |
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
497 |
|
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
498 |
"/ below, I could have written: |
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
499 |
"/ index := self find:aKey ifAbsent:[^ aBlock value] |
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
500 |
"/ but the code below is slighlty more efficient, since it avoids |
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
501 |
"/ a garbage block creation - thus speeding up the good case. |
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
502 |
|
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
503 |
index := self find:aKey ifAbsent:0. |
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
504 |
index == 0 ifTrue:[^ aBlock value]. |
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
505 |
|
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
506 |
oldValue := valueArray basicAt:index. |
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
507 |
|
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
508 |
valueArray basicAt:index put:nil. |
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
509 |
keyArray basicAt:index put:nil. |
77 | 510 |
|
641
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
511 |
tally := tally - 1. |
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
512 |
tally == 0 ifTrue:[ |
1126
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
513 |
self setTally:0 |
641
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
514 |
] ifFalse:[ |
1126
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
515 |
index == keyArray basicSize ifTrue:[ |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
516 |
next := 1 |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
517 |
] ifFalse:[ |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
518 |
next := index + 1. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
519 |
]. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
520 |
(keyArray basicAt:next) notNil ifTrue:[ |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
521 |
keyArray basicAt:index put:DeletedEntry |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
522 |
]. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
523 |
self emptyCheck |
641
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
524 |
]. |
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
525 |
^ oldValue |
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
526 |
|
1053
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
527 |
"Modified: 1.3.1996 / 21:21:01 / cg" |
77 | 528 |
! |
529 |
||
530 |
removeValue:aValue ifAbsent:aBlock |
|
641
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
531 |
"remove (first) the association to aValue from the collection, |
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
532 |
return the key under which it was stored previously. |
77 | 533 |
If it was not in the collection return result from evaluating aBlock. |
641
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
534 |
The value is searched using equality compare here, |
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
535 |
but identity compare in the IdentityDictionary subclass. |
77 | 536 |
|
641
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
537 |
Notice, this does a linear search through the values and may |
1053
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
538 |
therefore be slow for big dictionaries. |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
539 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
540 |
WARNING: do not remove elements while iterating over the receiver. |
1126
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
541 |
See #saveRemoveValue: to do this." |
641
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
542 |
|
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
543 |
|next "{ Class:SmallInteger }" |
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
544 |
oldKey| |
77 | 545 |
|
546 |
aValue notNil ifTrue:[ |
|
1126
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
547 |
keyArray keysAndValuesDo:[:index :aKey | |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
548 |
|idx "{Class:SmallInteger}"| |
641
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
549 |
|
1126
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
550 |
(aKey notNil and:[aKey ~~ DeletedEntry]) ifTrue:[ |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
551 |
idx := index. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
552 |
(self compareSame:(valueArray at:idx) with:aValue) ifTrue:[ |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
553 |
"found it" |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
554 |
valueArray basicAt:idx put:nil. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
555 |
oldKey := keyArray basicAt:idx. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
556 |
keyArray basicAt:idx put:nil. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
557 |
tally := tally - 1. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
558 |
tally == 0 ifTrue:[ |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
559 |
self setTally:0. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
560 |
^ oldKey |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
561 |
]. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
562 |
idx == keyArray basicSize ifTrue:[ |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
563 |
next := 1 |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
564 |
] ifFalse:[ |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
565 |
next := index + 1. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
566 |
]. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
567 |
(keyArray basicAt:next) notNil ifTrue:[ |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
568 |
keyArray basicAt:idx put:DeletedEntry |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
569 |
]. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
570 |
self emptyCheck. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
571 |
^ oldKey |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
572 |
] |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
573 |
] |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
574 |
] |
77 | 575 |
]. |
576 |
^ aBlock value |
|
641
ef3bcf9de54b
return values in remove*** methods fixed (ST-80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
633
diff
changeset
|
577 |
|
1053
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
578 |
"Modified: 1.3.1996 / 21:22:11 / cg" |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
579 |
! |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
580 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
581 |
saveRemoveKey:aKey |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
582 |
"remove the association under aKey from the collection. |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
583 |
Return the value previously stored there. |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
584 |
If it was not in the collection return nil. |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
585 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
586 |
In contrast to #removeKey:, this does not resize the underlying collection |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
587 |
and therefore does NOT rehash & change the elements order. |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
588 |
Therefor this can be used while enumerating the receiver, |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
589 |
which is not possible if #removeKey: is used. |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
590 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
591 |
WARNING: since no resizing is done, the physical amount of memory used |
1126
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
592 |
by the container remains the same, although the logical size shrinks. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
593 |
You may want to manually resize the receiver using #emptyCheck." |
1053
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
594 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
595 |
|index "{ Class:SmallInteger }" |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
596 |
next "{ Class:SmallInteger }" |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
597 |
oldValue| |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
598 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
599 |
aKey isNil ifTrue:[^ nil]. |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
600 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
601 |
index := self find:aKey ifAbsent:0. |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
602 |
index == 0 ifTrue:[^ nil]. |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
603 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
604 |
oldValue := valueArray basicAt:index. |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
605 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
606 |
valueArray basicAt:index put:nil. |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
607 |
keyArray basicAt:index put:nil. |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
608 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
609 |
tally := tally - 1. |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
610 |
tally ~~ 0 ifTrue:[ |
1126
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
611 |
index == keyArray basicSize ifTrue:[ |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
612 |
next := 1 |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
613 |
] ifFalse:[ |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
614 |
next := index + 1. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
615 |
]. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
616 |
(keyArray basicAt:next) notNil ifTrue:[ |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
617 |
keyArray basicAt:index put:DeletedEntry |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
618 |
]. |
1053
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
619 |
]. |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
620 |
^ oldValue |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
621 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
622 |
"does NOT work: |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
623 |
|
1126
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
624 |
|d| |
1053
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
625 |
|
1126
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
626 |
d := Dictionary new. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
627 |
d at:'one' put:1. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
628 |
d at:'two' put:2. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
629 |
d at:'three' put:3. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
630 |
d at:'four' put:4. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
631 |
d at:'five' put:5. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
632 |
d at:'six' put:6. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
633 |
d at:'seven' put:7. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
634 |
d at:'eight' put:8. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
635 |
d at:'nine' put:9. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
636 |
d keysAndValuesDo:[:k :v | |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
637 |
v odd ifTrue:[ |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
638 |
d removeKey:k |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
639 |
] |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
640 |
]. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
641 |
d inspect |
1053
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
642 |
" |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
643 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
644 |
"DOES work: |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
645 |
|
1126
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
646 |
|d| |
1053
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
647 |
|
1126
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
648 |
d := Dictionary new. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
649 |
d at:'one' put:1. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
650 |
d at:'two' put:2. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
651 |
d at:'three' put:3. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
652 |
d at:'four' put:4. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
653 |
d at:'five' put:5. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
654 |
d at:'six' put:6. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
655 |
d at:'seven' put:7. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
656 |
d at:'eight' put:8. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
657 |
d at:'nine' put:9. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
658 |
d keysAndValuesDo:[:k :v | |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
659 |
v odd ifTrue:[ |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
660 |
d saveRemoveKey:k |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
661 |
] |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
662 |
]. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
663 |
d inspect |
1053
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
664 |
" |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
665 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
666 |
"Created: 1.3.1996 / 21:14:42 / cg" |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
667 |
"Modified: 1.3.1996 / 21:14:53 / cg" |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
668 |
! |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
669 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
670 |
saveRemoveValue:aValue |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
671 |
"remove the (first) association to aValue from the collection, |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
672 |
return the key under which it was stored previously. |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
673 |
If it was not in the collection return nil. |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
674 |
The value is searched using equality compare here, |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
675 |
but identity compare in the IdentityDictionary subclass. |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
676 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
677 |
In contrast to #removeValue:, this does not resize the underlying collection |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
678 |
and therefore does NOT rehash & change the elements order. |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
679 |
Therefor this can be used while enumerating the receiver, |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
680 |
which is not possible if #removeValue: is used. |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
681 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
682 |
WARNING: since no resizing is done, the physical amount of memory used |
1126
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
683 |
by the container remains the same, although the logical size shrinks. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
684 |
You may want to manually resize the receiver using #emptyCheck." |
1053
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
685 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
686 |
|next "{ Class:SmallInteger }" |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
687 |
oldKey| |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
688 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
689 |
aValue notNil ifTrue:[ |
1126
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
690 |
keyArray keysAndValuesDo:[:index :aKey | |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
691 |
|idx "{Class:SmallInteger}"| |
1053
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
692 |
|
1126
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
693 |
(aKey notNil and:[aKey ~~ DeletedEntry]) ifTrue:[ |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
694 |
idx := index. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
695 |
(self compareSame:(valueArray at:idx) with:aValue) ifTrue:[ |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
696 |
"found it" |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
697 |
valueArray basicAt:idx put:nil. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
698 |
oldKey := keyArray basicAt:idx. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
699 |
keyArray basicAt:idx put:nil. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
700 |
tally := tally - 1. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
701 |
tally ~~ 0 ifTrue:[ |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
702 |
idx == keyArray basicSize ifTrue:[ |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
703 |
next := 1 |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
704 |
] ifFalse:[ |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
705 |
next := index + 1. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
706 |
]. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
707 |
(keyArray basicAt:next) notNil ifTrue:[ |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
708 |
keyArray basicAt:idx put:DeletedEntry |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
709 |
]. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
710 |
]. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
711 |
^ oldKey |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
712 |
] |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
713 |
] |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
714 |
] |
1053
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
715 |
]. |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
716 |
^ aValue |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
717 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
718 |
"does NOT work: |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
719 |
|
1126
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
720 |
|d| |
1053
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
721 |
|
1126
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
722 |
d := Dictionary new. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
723 |
d at:'one' put:1. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
724 |
d at:'two' put:2. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
725 |
d at:'three' put:3. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
726 |
d at:'four' put:4. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
727 |
d at:'five' put:5. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
728 |
d at:'six' put:6. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
729 |
d at:'seven' put:7. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
730 |
d at:'eight' put:8. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
731 |
d at:'nine' put:9. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
732 |
d keysAndValuesDo:[:k :v | |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
733 |
v odd ifTrue:[ |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
734 |
d removeValue:v ifAbsent:nil |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
735 |
] |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
736 |
]. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
737 |
d inspect |
1053
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
738 |
" |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
739 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
740 |
"DOES work: |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
741 |
|
1126
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
742 |
|d| |
1053
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
743 |
|
1126
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
744 |
d := Dictionary new. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
745 |
d at:'one' put:1. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
746 |
d at:'two' put:2. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
747 |
d at:'three' put:3. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
748 |
d at:'four' put:4. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
749 |
d at:'five' put:5. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
750 |
d at:'six' put:6. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
751 |
d at:'seven' put:7. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
752 |
d at:'eight' put:8. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
753 |
d at:'nine' put:9. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
754 |
d keysAndValuesDo:[:k :v | |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
755 |
v odd ifTrue:[ |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
756 |
d saveRemoveValue:v |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
757 |
] |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
758 |
]. |
497de696dff0
OOPS - could add elements twice after a remove (shame on me: how could that go unnoticed for so long ...)
Claus Gittinger <cg@exept.de>
parents:
1056
diff
changeset
|
759 |
d inspect |
1053
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
760 |
" |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
761 |
|
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
762 |
"Created: 1.3.1996 / 21:17:10 / cg" |
ac1ea83233e6
added saveRemoveKey:/saveRemoveValue: & commentaries
Claus Gittinger <cg@exept.de>
parents:
641
diff
changeset
|
763 |
"Modified: 1.3.1996 / 21:23:04 / cg" |
1 | 764 |
! ! |
765 |
||
3252
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
766 |
!Dictionary methodsFor:'converting'! |
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
767 |
|
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
768 |
fromLiteralArrayEncoding:encoding |
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
769 |
"read my values from an encoding. |
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
770 |
The encoding is supposed to be of the form: |
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
771 |
(Dictionary key1 val1 ... keyN valN)" |
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
772 |
|
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
773 |
2 to:encoding size by:2 do:[:i | |
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
774 |
|key val| |
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
775 |
|
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
776 |
key := encoding at:i. |
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
777 |
val := encoding at:i+1. |
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
778 |
self at:key put:val |
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
779 |
]. |
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
780 |
|
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
781 |
" |
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
782 |
Dictionary new fromLiteralArrayEncoding:#(Dictionary 'hello' 'world' 1 'foo') |
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
783 |
" |
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
784 |
|
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
785 |
"Created: / 30.1.1998 / 04:30:47 / cg" |
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
786 |
! |
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
787 |
|
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
788 |
literalArrayEncoding |
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
789 |
|coll| |
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
790 |
|
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
791 |
coll := OrderedCollection new. |
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
792 |
coll add:(self class name asSymbol). |
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
793 |
self keysAndValuesDo:[:key :value | |
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
794 |
coll add:key literalArrayEncoding. |
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
795 |
coll add:value literalArrayEncoding. |
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
796 |
]. |
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
797 |
^ coll asArray |
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
798 |
|
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
799 |
"Created: / 30.1.1998 / 04:28:31 / cg" |
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
800 |
"Modified: / 30.1.1998 / 04:31:23 / cg" |
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
801 |
! ! |
da066eafc2c5
added literalArrayEncoding support
Claus Gittinger <cg@exept.de>
parents:
3215
diff
changeset
|
802 |
|
155 | 803 |
!Dictionary methodsFor:'copying'! |
804 |
||
805 |
postCopy |
|
806 |
"have to copy the valueArray too" |
|
807 |
||
808 |
super postCopy. |
|
809 |
valueArray := valueArray shallowCopy |
|
810 |
! ! |
|
811 |
||
217 | 812 |
!Dictionary methodsFor:'enumerating'! |
1 | 813 |
|
814 |
allKeysDo:aBlock |
|
302 | 815 |
"perform the block for all keys in the collection. |
816 |
Obsolete: use keysDo: for ST-80 compatibility." |
|
1 | 817 |
|
1233
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
818 |
self obsoleteMethodWarning:'please use #keysDo:'. |
155 | 819 |
^ super do:aBlock |
1233
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
820 |
|
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
821 |
"Modified: 20.4.1996 / 11:22:01 / cg" |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
822 |
! |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
823 |
|
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
824 |
associationsCollect:aBlock |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
825 |
"for each key-value pair in the receiver, evaluate the argument, aBlock |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
826 |
and return a collection with the results. |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
827 |
|
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
828 |
See also: |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
829 |
#keysAndValuesCollect: (which passes separate keys & values) |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
830 |
#collect: (which only passes values) |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
831 |
|
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
832 |
This is much like #keysAndValuesCollect:, but aBlock gets the |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
833 |
key and value as a single association argument. |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
834 |
#keysAndValuesCollect: and is a bit faster therefore (no intermediate objects). |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
835 |
|
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
836 |
WARNING: do not add/remove elements while iterating over the receiver. |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
837 |
Iterate over a copy to do this." |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
838 |
|
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
839 |
|newCollection| |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
840 |
|
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
841 |
newCollection := OrderedCollection new. |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
842 |
self keysAndValuesDo:[:key :value | |
2897 | 843 |
newCollection add:(aBlock value:(Association key:key value:value)) |
1233
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
844 |
]. |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
845 |
^ newCollection |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
846 |
|
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
847 |
" |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
848 |
|ages| |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
849 |
|
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
850 |
ages := Dictionary new. |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
851 |
ages at:'cg' put:37. |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
852 |
ages at:'ca' put:33. |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
853 |
ages at:'sv' put:36. |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
854 |
ages at:'tk' put:28. |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
855 |
ages associationsCollect:[:assoc | |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
856 |
assoc key , '''s age is ' , assoc value printString] |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
857 |
" |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
858 |
|
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
859 |
"Modified: 20.4.1996 / 11:31:27 / cg" |
1 | 860 |
! |
861 |
||
862 |
associationsDo:aBlock |
|
1056 | 863 |
"perform the block for all associations in the collection. |
864 |
||
1233
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
865 |
See also: |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
866 |
#do: (which passes values to its block) |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
867 |
#keysDo: (which passes only keys to its block) |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
868 |
#keysAndValuesDo: (which passes keys&values) |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
869 |
|
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
870 |
This is much like #keysAndValuesDo:, but aBlock gets the |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
871 |
key and value as a single association argument. |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
872 |
#keysAndValuesDo: and is a bit faster therefore (no intermediate objects). |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
873 |
|
1056 | 874 |
WARNING: do not add/remove elements while iterating over the receiver. |
1233
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
875 |
Iterate over a copy to do this." |
1 | 876 |
|
38 | 877 |
|key n "{ Class: SmallInteger }"| |
1 | 878 |
|
879 |
tally == 0 ifTrue:[^ self]. |
|
38 | 880 |
n := keyArray basicSize. |
881 |
1 to:n do:[:index | |
|
1233
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
882 |
key := keyArray basicAt:index. |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
883 |
(key notNil and:[key ~~ DeletedEntry]) ifTrue:[ |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
884 |
aBlock value:(Association key:key value:(valueArray basicAt:index)) |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
885 |
] |
1 | 886 |
] |
1056 | 887 |
|
1233
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
888 |
"Modified: 20.4.1996 / 11:31:39 / cg" |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
889 |
! |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
890 |
|
2425
3c23ae3de6d6
added #associationsReverseDo: for OD compatibility
Claus Gittinger <cg@exept.de>
parents:
2328
diff
changeset
|
891 |
associationsReverseDo:aBlock |
3c23ae3de6d6
added #associationsReverseDo: for OD compatibility
Claus Gittinger <cg@exept.de>
parents:
2328
diff
changeset
|
892 |
"perform the block for all associations in the collection. |
3c23ae3de6d6
added #associationsReverseDo: for OD compatibility
Claus Gittinger <cg@exept.de>
parents:
2328
diff
changeset
|
893 |
Since dictionary does not define any order of its elements, |
3c23ae3de6d6
added #associationsReverseDo: for OD compatibility
Claus Gittinger <cg@exept.de>
parents:
2328
diff
changeset
|
894 |
this is the same as #associationsDo: here. |
3c23ae3de6d6
added #associationsReverseDo: for OD compatibility
Claus Gittinger <cg@exept.de>
parents:
2328
diff
changeset
|
895 |
Provided for protocol compatibility with OrderedDictionary" |
3c23ae3de6d6
added #associationsReverseDo: for OD compatibility
Claus Gittinger <cg@exept.de>
parents:
2328
diff
changeset
|
896 |
|
3c23ae3de6d6
added #associationsReverseDo: for OD compatibility
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
897 |
^ self associationsDo:aBlock |
3c23ae3de6d6
added #associationsReverseDo: for OD compatibility
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parents:
2328
diff
changeset
|
898 |
|
3c23ae3de6d6
added #associationsReverseDo: for OD compatibility
Claus Gittinger <cg@exept.de>
parents:
2328
diff
changeset
|
899 |
"Created: 28.2.1997 / 16:08:52 / cg" |
3c23ae3de6d6
added #associationsReverseDo: for OD compatibility
Claus Gittinger <cg@exept.de>
parents:
2328
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|
900 |
! |
3c23ae3de6d6
added #associationsReverseDo: for OD compatibility
Claus Gittinger <cg@exept.de>
parents:
2328
diff
changeset
|
901 |
|
1233
21452b1c61eb
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Claus Gittinger <cg@exept.de>
parents:
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diff
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|
902 |
associationsSelect:aBlock |
21452b1c61eb
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parents:
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|
903 |
"return a new collection with all elements from the receiver, for which |
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diff
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|
904 |
the argument aBlock evaluates to true. |
21452b1c61eb
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parents:
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diff
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|
905 |
The block gets keys and values as an association argument. |
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parents:
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diff
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|
906 |
|
21452b1c61eb
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parents:
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diff
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|
907 |
See also: #keysAndValuesSelect: (which is slightly faster), |
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parents:
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diff
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|
908 |
#select: (which only passes the value) |
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parents:
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|
909 |
|
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parents:
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|
910 |
This is much like #keysAndValuesSelect:, but aBlock gets the |
21452b1c61eb
more enumaration variations & commentary
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parents:
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diff
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|
911 |
key and value as a single association argument. |
21452b1c61eb
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parents:
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diff
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|
912 |
#keysAndValuesSelect: and is a bit faster therefore (no intermediate objects). |
21452b1c61eb
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parents:
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diff
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|
913 |
|
21452b1c61eb
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parents:
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diff
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|
914 |
WARNING: do not add/remove elements while iterating over the receiver. |
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parents:
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diff
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|
915 |
Iterate over a copy to do this." |
21452b1c61eb
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parents:
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diff
changeset
|
916 |
|
21452b1c61eb
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parents:
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diff
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|
917 |
|newCollection| |
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parents:
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diff
changeset
|
918 |
|
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parents:
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|
919 |
newCollection := self species new. |
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diff
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|
920 |
self keysAndValuesDo:[:key :value | |
2897 | 921 |
(aBlock value:(Association key:key value:value)) ifTrue:[ |
1233
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parents:
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diff
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|
922 |
newCollection at:key put:value |
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|
923 |
] |
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parents:
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|
924 |
]. |
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parents:
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diff
changeset
|
925 |
^ newCollection |
21452b1c61eb
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parents:
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diff
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|
926 |
|
21452b1c61eb
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Claus Gittinger <cg@exept.de>
parents:
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diff
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|
927 |
" |
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Claus Gittinger <cg@exept.de>
parents:
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diff
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|
928 |
|ages| |
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Claus Gittinger <cg@exept.de>
parents:
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diff
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|
929 |
|
21452b1c61eb
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Claus Gittinger <cg@exept.de>
parents:
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|
930 |
ages := Dictionary new. |
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Claus Gittinger <cg@exept.de>
parents:
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|
931 |
ages at:'cg' put:37. |
21452b1c61eb
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parents:
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|
932 |
ages at:'ca' put:33. |
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parents:
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|
933 |
ages at:'sv' put:36. |
21452b1c61eb
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parents:
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diff
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|
934 |
ages at:'tk' put:28. |
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parents:
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|
935 |
|
21452b1c61eb
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|
936 |
ages associationsSelect:[:assoc | |
21452b1c61eb
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parents:
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diff
changeset
|
937 |
(assoc key startsWith:'c') or:[assoc value < 30]]. |
21452b1c61eb
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Claus Gittinger <cg@exept.de>
parents:
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diff
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|
938 |
" |
21452b1c61eb
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Claus Gittinger <cg@exept.de>
parents:
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diff
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|
939 |
|
21452b1c61eb
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diff
changeset
|
940 |
"Modified: 20.4.1996 / 11:31:15 / cg" |
1 | 941 |
! |
942 |
||
609 | 943 |
collect:aBlock |
944 |
"for each element in the receiver, evaluate the argument, aBlock |
|
1056 | 945 |
and return a Bag with the results. |
946 |
||
1233
21452b1c61eb
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parents:
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diff
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|
947 |
See also: |
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Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
948 |
#associationsCollect: (which passes key-value associations) |
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parents:
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diff
changeset
|
949 |
#keysAndValuesCollect: (which passes keys & values separately) |
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parents:
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diff
changeset
|
950 |
|
1056 | 951 |
WARNING: do not add/remove elements while iterating over the receiver. |
1233
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|
952 |
Iterate over a copy to do this." |
609 | 953 |
|
954 |
|newCollection| |
|
955 |
||
956 |
newCollection := Bag new. |
|
957 |
self do:[:each | |
|
1233
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diff
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|
958 |
newCollection add:(aBlock value:each) |
609 | 959 |
]. |
960 |
^ newCollection |
|
1056 | 961 |
|
1233
21452b1c61eb
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|
962 |
"Modified: 20.4.1996 / 11:29:58 / cg" |
609 | 963 |
! |
964 |
||
1 | 965 |
do:aBlock |
1056 | 966 |
"perform the block for all values in the collection. |
967 |
||
1233
21452b1c61eb
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parents:
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diff
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|
968 |
See also: |
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parents:
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diff
changeset
|
969 |
#associationsDo: (which passes key-value associations) |
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parents:
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diff
changeset
|
970 |
#keysAndValuesDo: (which passes keys & values separately) |
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parents:
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diff
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|
971 |
#keysDo: (which passes keys only) |
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parents:
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diff
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|
972 |
|
1056 | 973 |
WARNING: do not add/remove elements while iterating over the receiver. |
1233
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parents:
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diff
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|
974 |
Iterate over a copy to do this." |
1 | 975 |
|
38 | 976 |
|key n "{ Class: SmallInteger }"| |
1 | 977 |
|
978 |
tally == 0 ifTrue:[^ self]. |
|
38 | 979 |
n := keyArray basicSize. |
980 |
1 to:n do:[:index | |
|
1233
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diff
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|
981 |
key := keyArray basicAt:index. |
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|
982 |
(key notNil and:[key ~~ DeletedEntry]) ifTrue:[ |
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parents:
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diff
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|
983 |
aBlock value:(valueArray basicAt:index) |
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|
984 |
]. |
1 | 985 |
] |
1056 | 986 |
|
1233
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|
987 |
"Modified: 20.4.1996 / 11:32:11 / cg" |
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parents:
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|
988 |
! |
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parents:
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diff
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|
989 |
|
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parents:
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diff
changeset
|
990 |
keysAndValuesCollect:aBlock |
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parents:
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diff
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|
991 |
"for each key-value pair in the receiver, evaluate the argument, aBlock |
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|
992 |
and return a collection with the results. |
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|
993 |
|
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parents:
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|
994 |
See also: |
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Claus Gittinger <cg@exept.de>
parents:
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|
995 |
#associationsCollect: (which passes keys->value pairs) |
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|
996 |
#collect: (which only passes values) |
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|
997 |
|
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|
998 |
This is much like #associationsCollect:, but aBlock gets the |
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parents:
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diff
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|
999 |
key and value as two separate arguments. |
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parents:
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|
1000 |
#associationsCollect: is a bit slower. |
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|
1001 |
|
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|
1002 |
WARNING: do not add/remove elements while iterating over the receiver. |
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parents:
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|
1003 |
Iterate over a copy to do this." |
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|
1004 |
|
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parents:
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diff
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|
1005 |
|newCollection| |
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parents:
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diff
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|
1006 |
|
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|
1007 |
newCollection := OrderedCollection new. |
21452b1c61eb
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|
1008 |
self keysAndValuesDo:[:key :value | |
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diff
changeset
|
1009 |
newCollection add:(aBlock value:key value:value) |
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parents:
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|
1010 |
]. |
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parents:
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diff
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|
1011 |
^ newCollection |
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|
1012 |
|
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|
1013 |
" |
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diff
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|
1014 |
|ages| |
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|
1015 |
|
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|
1016 |
ages := Dictionary new. |
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parents:
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diff
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|
1017 |
ages at:'cg' put:37. |
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|
1018 |
ages at:'ca' put:33. |
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|
1019 |
ages at:'sv' put:36. |
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|
1020 |
ages at:'tk' put:28. |
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|
1021 |
ages keysAndValuesCollect:[:name :age | |
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|
1022 |
name , '''s age is ' , age printString] |
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|
1023 |
" |
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diff
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|
1024 |
|
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|
1025 |
"Modified: 20.4.1996 / 11:33:50 / cg" |
1 | 1026 |
! |
1027 |
||
3 | 1028 |
keysAndValuesDo:aTwoArgBlock |
1029 |
"evaluate the argument, aBlock for every element in the collection, |
|
1056 | 1030 |
passing both key and element as arguments. |
1031 |
||
1233
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diff
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|
1032 |
See also: |
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diff
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|
1033 |
#associationsDo: (which passes keys->value pairs) |
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changeset
|
1034 |
#do: (which only passes values) |
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|
1035 |
#keysDo: (which only passes keys) |
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|
1036 |
|
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|
1037 |
This is much like #associationsDo:, but aBlock gets the |
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|
1038 |
key and value as two separate arguments. |
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|
1039 |
#associationsDo: is a bit slower. |
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|
1040 |
|
1056 | 1041 |
WARNING: do not add/remove elements while iterating over the receiver. |
1233
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|
1042 |
Iterate over a copy to do this." |
3 | 1043 |
|
38 | 1044 |
|key n "{ Class: SmallInteger }"| |
3 | 1045 |
|
1046 |
tally == 0 ifTrue:[^ self]. |
|
38 | 1047 |
n := keyArray basicSize. |
1048 |
1 to:n do:[:index | |
|
1233
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|
1049 |
key := keyArray basicAt:index. |
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|
1050 |
(key notNil and:[key ~~ DeletedEntry]) ifTrue:[ |
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|
1051 |
aTwoArgBlock value:key value:(valueArray basicAt:index) |
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|
1052 |
]. |
3 | 1053 |
] |
1056 | 1054 |
|
1233
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changeset
|
1055 |
"Modified: 20.4.1996 / 11:33:42 / cg" |
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diff
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|
1056 |
! |
21452b1c61eb
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diff
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|
1057 |
|
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|
1058 |
keysAndValuesSelect:aBlock |
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Claus Gittinger <cg@exept.de>
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diff
changeset
|
1059 |
"return a new collection with all elements from the receiver, for which |
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diff
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|
1060 |
the argument aBlock evaluates to true. |
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diff
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|
1061 |
The block gets keys and values as separate arguments. |
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diff
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|
1062 |
|
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diff
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|
1063 |
See also: |
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diff
changeset
|
1064 |
#associationsSelect: (which passes key-value pairs), |
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diff
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|
1065 |
#select: (which only passes the value) |
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diff
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|
1066 |
|
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diff
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|
1067 |
This is much like #associationsSelect:, but aBlock gets the |
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diff
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|
1068 |
key and value as two separate arguments. |
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parents:
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diff
changeset
|
1069 |
#associationsSelect: is a bit slower. |
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diff
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|
1070 |
|
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diff
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|
1071 |
WARNING: do not add/remove elements while iterating over the receiver. |
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|
1072 |
Iterate over a copy to do this." |
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|
1073 |
|
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Claus Gittinger <cg@exept.de>
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diff
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|
1074 |
|newCollection| |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
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diff
changeset
|
1075 |
|
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diff
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|
1076 |
newCollection := self species new. |
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|
1077 |
self keysAndValuesDo:[:key :value | |
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diff
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|
1078 |
(aBlock value:key value:value) ifTrue:[ |
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|
1079 |
newCollection at:key put:value |
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diff
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|
1080 |
] |
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Claus Gittinger <cg@exept.de>
parents:
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diff
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|
1081 |
]. |
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more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
1082 |
^ newCollection |
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diff
changeset
|
1083 |
|
21452b1c61eb
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Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
1084 |
" |
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parents:
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diff
changeset
|
1085 |
|ages| |
21452b1c61eb
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Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
1086 |
|
21452b1c61eb
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Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
1087 |
ages := Dictionary new. |
21452b1c61eb
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Claus Gittinger <cg@exept.de>
parents:
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diff
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|
1088 |
ages at:'cg' put:37. |
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diff
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|
1089 |
ages at:'ca' put:33. |
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diff
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|
1090 |
ages at:'sv' put:36. |
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Claus Gittinger <cg@exept.de>
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diff
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|
1091 |
ages at:'tk' put:28. |
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diff
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|
1092 |
|
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
1221
diff
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|
1093 |
ages keysAndValuesSelect:[:name :age | |
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Claus Gittinger <cg@exept.de>
parents:
1221
diff
changeset
|
1094 |
(name startsWith:'c') or:[age < 30]]. |
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more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
1095 |
" |
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
1096 |
|
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more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
1097 |
"Modified: 20.4.1996 / 11:34:29 / cg" |
3 | 1098 |
! |
1099 |
||
609 | 1100 |
keysDo:aBlock |
1056 | 1101 |
"perform the block for all keys in the collection. |
1102 |
||
1233
21452b1c61eb
more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
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diff
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|
1103 |
See also: |
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Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
1104 |
#associationsDo: (which passes key-value associations) |
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more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
1105 |
#keysAndValuesDo: (which passes keys & values separately) |
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more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
1106 |
#do: (which passes values only) |
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Claus Gittinger <cg@exept.de>
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diff
changeset
|
1107 |
|
1056 | 1108 |
WARNING: do not add/remove elements while iterating over the receiver. |
1233
21452b1c61eb
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Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
1109 |
Iterate over a copy to do this." |
1 | 1110 |
|
609 | 1111 |
^ super do:aBlock |
1056 | 1112 |
|
1233
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more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
1113 |
"Modified: 20.4.1996 / 11:34:45 / cg" |
1 | 1114 |
! |
1115 |
||
1116 |
select:aBlock |
|
1117 |
"return a new collection with all elements from the receiver, for which |
|
77 | 1118 |
the argument aBlock evaluates to true. The block gets the individual values |
1056 | 1119 |
as its single argument. |
1120 |
||
1233
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Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
1121 |
See also: |
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Claus Gittinger <cg@exept.de>
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diff
changeset
|
1122 |
#associationsSelect: (which passes key->value associations), |
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more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
1123 |
#keysAndValuesSelect: (which passes key & value args) |
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more enumaration variations & commentary
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
1124 |
|
1056 | 1125 |
WARNING: do not add/remove elements while iterating over the receiver. |
1233
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Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
1126 |
Iterate over a copy to do this." |
1 | 1127 |
|
1128 |
|newCollection| |
|
1129 |
||
1130 |
newCollection := self species new. |
|
77 | 1131 |
self keysAndValuesDo:[:key :value | |
1233
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|
1132 |
(aBlock value:value) ifTrue:[ |
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|
1133 |
newCollection at:key put:value |
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|
1134 |
] |
1 | 1135 |
]. |
1136 |
^ newCollection |
|
77 | 1137 |
|
1138 |
" |
|
1139 |
|d| |
|
1140 |
||
1141 |
d := Dictionary new. |
|
1142 |
d at:#foo put:#bar. |
|
1143 |
d at:#bar put:#baz. |
|
1144 |
d at:#baz put:#foo. |
|
1145 |
||
1146 |
d select:[:el | el startsWith:'b']. |
|
1147 |
" |
|
1056 | 1148 |
|
1233
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Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
1149 |
"Modified: 20.4.1996 / 11:35:07 / cg" |
1 | 1150 |
! ! |
1151 |
||
609 | 1152 |
!Dictionary methodsFor:'inspecting'! |
1153 |
||
1154 |
inspectorClass |
|
1155 |
"redefined to use DictionaryInspector |
|
1156 |
(instead of the default Inspector)." |
|
1157 |
||
1158 |
^ DictionaryInspectorView |
|
1159 |
! ! |
|
1160 |
||
1161 |
!Dictionary methodsFor:'printing & storing'! |
|
1162 |
||
3192 | 1163 |
printElementsDo:aBlock |
1164 |
"redefined, so #printOn: prints associations" |
|
609 | 1165 |
|
3192 | 1166 |
^ self associationsDo:aBlock |
609 | 1167 |
|
3192 | 1168 |
"Created: / 20.1.1998 / 14:11:02 / stefan" |
609 | 1169 |
! |
1170 |
||
1171 |
storeOn:aStream |
|
1172 |
"output a printed representation (which can be re-read) |
|
1173 |
onto the argument aStream" |
|
1174 |
||
1175 |
|isEmpty| |
|
1176 |
||
1177 |
thisContext isRecursive ifTrue:[ |
|
2288 | 1178 |
('Dictionary [error]: storeOn: of self referencing collection.') errorPrintCR. |
1417 | 1179 |
aStream nextPutAll:'#recursive'. |
1180 |
^ self |
|
609 | 1181 |
]. |
1182 |
||
1183 |
aStream nextPutAll:'('. |
|
1184 |
aStream nextPutAll:(self class name). |
|
1185 |
aStream nextPutAll:' new'. |
|
1186 |
isEmpty := true. |
|
1187 |
self keysAndValuesDo:[:key :value | |
|
1417 | 1188 |
aStream nextPutAll:' at:'. |
1189 |
key storeOn:aStream. |
|
1190 |
aStream nextPutAll:' put:'. |
|
1191 |
value storeOn:aStream. |
|
1192 |
aStream nextPutAll:'; '. |
|
1193 |
isEmpty := false |
|
609 | 1194 |
]. |
1195 |
isEmpty ifFalse:[aStream nextPutAll:' yourself']. |
|
1196 |
aStream nextPut:$) |
|
1197 |
||
1198 |
" |
|
1199 |
Dictionary new storeOn:Transcript |
|
1200 |
||
1201 |
(Dictionary new at:1 put:'hello'; yourself) storeOn:Transcript |
|
1202 |
" |
|
1203 |
||
1204 |
" |
|
1205 |
|d| |
|
1206 |
d := Dictionary new. |
|
1207 |
d at:1 put:'hello'. |
|
1208 |
d at:'hello' put:#world. |
|
1209 |
d storeOn:Transcript |
|
1210 |
" |
|
1211 |
||
1212 |
" |
|
1213 |
|d| |
|
1214 |
d := Dictionary new. |
|
1215 |
d at:1 put:'hello'. |
|
1216 |
d at:'hello' put:#world. |
|
1217 |
d at:2 put:d. |
|
1218 |
d storeOn:Transcript |
|
1219 |
" |
|
1417 | 1220 |
|
2288 | 1221 |
"Modified: 28.1.1997 / 00:37:46 / cg" |
609 | 1222 |
! ! |
1223 |
||
1 | 1224 |
!Dictionary methodsFor:'private'! |
1225 |
||
345 | 1226 |
compareSame:element1 with:element2 |
1256 | 1227 |
"compare two elements for being the same. Here, return true if the |
1228 |
elements are equal (i.e. using #=). |
|
1229 |
Redefinable in subclasses." |
|
1230 |
||
345 | 1231 |
^ element1 = element2 |
1256 | 1232 |
|
1233 |
"Modified: 22.4.1996 / 17:34:27 / cg" |
|
345 | 1234 |
! |
1235 |
||
609 | 1236 |
emptyCollectionForKeys |
1256 | 1237 |
"return an empty collection to hold keys. Here, a Set is returned. |
1238 |
Redefinable in subclasses." |
|
1239 |
||
609 | 1240 |
^ Set new:(self size) |
1256 | 1241 |
|
1242 |
"Modified: 22.4.1996 / 17:35:17 / cg" |
|
1 | 1243 |
! |
1244 |
||
1245 |
grow:newSize |
|
1246 |
"grow the receiver to make space for at least newSize elements. |
|
1247 |
To do this, we have to rehash into the new arrays. |
|
1248 |
(which is done by re-adding all elements to a new, empty key/value array pair)." |
|
1249 |
||
92 | 1250 |
|key deletedEntry oldKeyArray oldValueArray n |
1251 |
oldSize "{ Class:SmallInteger }" |
|
10 | 1252 |
newIndex "{ Class:SmallInteger }" | |
1 | 1253 |
|
10 | 1254 |
oldKeyArray := keyArray. |
1255 |
oldValueArray := valueArray. |
|
1 | 1256 |
|
249 | 1257 |
n := self class goodSizeFrom:newSize. |
1258 |
oldSize := oldKeyArray size. |
|
1259 |
n == oldSize ifTrue:[^ self]. |
|
1260 |
||
10 | 1261 |
keyArray := self keyContainerOfSize:n. |
92 | 1262 |
valueArray := self valueContainerOfSize:n. |
1 | 1263 |
|
249 | 1264 |
|
92 | 1265 |
deletedEntry := DeletedEntry. |
10 | 1266 |
1 to:oldSize do:[:index | |
155 | 1267 |
key := oldKeyArray basicAt:index. |
1268 |
(key notNil and:[key ~~ deletedEntry]) ifTrue:[ |
|
1269 |
newIndex := self findNil:key. |
|
1270 |
keyArray basicAt:newIndex put:key. |
|
1271 |
valueArray basicAt:newIndex put:(oldValueArray basicAt:index). |
|
1272 |
] |
|
1 | 1273 |
] |
1274 |
! |
|
1275 |
||
1276 |
rehash |
|
1277 |
"rehash contents - is done by re-adding all elements to a new, empty key/value array pair)." |
|
1278 |
||
2 | 1279 |
| oldKeyArray oldValueArray key |
1280 |
n "{ Class:SmallInteger }" |
|
1281 |
newIndex "{ Class:SmallInteger }" | |
|
1 | 1282 |
|
1283 |
oldKeyArray := keyArray. |
|
1284 |
oldValueArray := valueArray. |
|
1285 |
||
1286 |
n := keyArray size. |
|
10 | 1287 |
keyArray := self keyContainerOfSize:n. |
92 | 1288 |
valueArray := self valueContainerOfSize:n. |
1 | 1289 |
|
2 | 1290 |
1 to:n do:[:index | |
155 | 1291 |
key := oldKeyArray basicAt:index. |
1292 |
(key notNil and:[key ~~ DeletedEntry]) ifTrue:[ |
|
1293 |
newIndex := self findNil:key. |
|
1294 |
keyArray basicAt:newIndex put:key. |
|
1295 |
valueArray basicAt:newIndex put:(oldValueArray basicAt:index). |
|
1296 |
] |
|
1 | 1297 |
] |
1298 |
! |
|
1299 |
||
1300 |
rehashFrom:startIndex |
|
77 | 1301 |
"rehash elements starting at index - after a remove. |
1302 |
NOTE: this method is no longer needed; |
|
155 | 1303 |
the trick using DeletedEntry avoids the need to do this time |
1304 |
consuming operation, making remove pretty fast :-) |
|
77 | 1305 |
" |
1 | 1306 |
|
1307 |
|key i length |
|
1308 |
index "{ Class:SmallInteger }" | |
|
1309 |
||
1310 |
length := keyArray basicSize. |
|
1311 |
index := startIndex. |
|
1312 |
key := keyArray basicAt:index. |
|
1313 |
[key notNil] whileTrue:[ |
|
155 | 1314 |
key ~~ DeletedEntry ifTrue:[ |
1315 |
i := self findNil:key. |
|
1316 |
i == index ifTrue:[ |
|
1317 |
^ self |
|
1318 |
]. |
|
1319 |
keyArray basicAt:i put:key. |
|
1320 |
valueArray basicAt:i put:(valueArray basicAt:index). |
|
1321 |
keyArray basicAt:index put:nil. |
|
1322 |
valueArray basicAt:index put:nil. |
|
1323 |
]. |
|
1324 |
index == length ifTrue:[ |
|
1325 |
index := 1 |
|
1326 |
] ifFalse:[ |
|
1327 |
index := index + 1. |
|
1328 |
]. |
|
1329 |
key := keyArray basicAt:index. |
|
1 | 1330 |
] |
77 | 1331 |
! |
1332 |
||
609 | 1333 |
setTally:count |
1334 |
"initialize the contents array (for at least count slots) |
|
1335 |
and set tally to zero. |
|
1336 |
The size is increased to the next prime for better hashing behavior." |
|
1 | 1337 |
|
609 | 1338 |
|n| |
1 | 1339 |
|
609 | 1340 |
n := self class goodSizeFrom:count. |
3727
2b05022de748
try to avoid allocation of a new key/valueArray in #setTally:
Claus Gittinger <cg@exept.de>
parents:
3319
diff
changeset
|
1341 |
n == keyArray size ifTrue:[ |
2b05022de748
try to avoid allocation of a new key/valueArray in #setTally:
Claus Gittinger <cg@exept.de>
parents:
3319
diff
changeset
|
1342 |
keyArray atAllPut:nil. |
2b05022de748
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Claus Gittinger <cg@exept.de>
parents:
3319
diff
changeset
|
1343 |
valueArray atAllPut:nil. |
2b05022de748
try to avoid allocation of a new key/valueArray in #setTally:
Claus Gittinger <cg@exept.de>
parents:
3319
diff
changeset
|
1344 |
] ifFalse:[ |
2b05022de748
try to avoid allocation of a new key/valueArray in #setTally:
Claus Gittinger <cg@exept.de>
parents:
3319
diff
changeset
|
1345 |
keyArray := self keyContainerOfSize:n. |
2b05022de748
try to avoid allocation of a new key/valueArray in #setTally:
Claus Gittinger <cg@exept.de>
parents:
3319
diff
changeset
|
1346 |
valueArray := self valueContainerOfSize:n. |
2b05022de748
try to avoid allocation of a new key/valueArray in #setTally:
Claus Gittinger <cg@exept.de>
parents:
3319
diff
changeset
|
1347 |
]. |
609 | 1348 |
tally := 0 |
3727
2b05022de748
try to avoid allocation of a new key/valueArray in #setTally:
Claus Gittinger <cg@exept.de>
parents:
3319
diff
changeset
|
1349 |
|
2b05022de748
try to avoid allocation of a new key/valueArray in #setTally:
Claus Gittinger <cg@exept.de>
parents:
3319
diff
changeset
|
1350 |
"Modified: / 5.8.1998 / 10:48:51 / cg" |
44 | 1351 |
! |
1352 |
||
609 | 1353 |
valueContainerOfSize:n |
1354 |
"return a container for values of size n. |
|
1355 |
Extracted to make life of weak subclasses easier ..." |
|
44 | 1356 |
|
609 | 1357 |
^ Array basicNew:n |
1358 |
! ! |
|
1359 |
||
1460 | 1360 |
!Dictionary methodsFor:'searching'! |
1361 |
||
1362 |
findFirstKey:aBlock |
|
1363 |
"find and return the first key, for which evaluation of the argument, aBlock |
|
1703 | 1364 |
returns true; return nil if none is detected." |
1460 | 1365 |
|
1366 |
self keysDo:[:key | |
|
1367 |
(aBlock value:key) ifTrue:[^ key]. |
|
1368 |
]. |
|
1369 |
^ nil |
|
1370 |
||
1371 |
"Created: 5.6.1996 / 11:55:50 / stefan" |
|
1703 | 1372 |
"Modified: 8.10.1996 / 22:01:59 / cg" |
1460 | 1373 |
! ! |
1374 |
||
609 | 1375 |
!Dictionary methodsFor:'testing'! |
44 | 1376 |
|
609 | 1377 |
includes:anObject |
1378 |
"return true, if the argument, aValue is stored in the dictionary, |
|
1379 |
i.e. if there is an associaten, with aValue as value. |
|
1380 |
This is a slow search, since there is no fast reverse mapping; |
|
1381 |
the values have to be all scanned without any hashing. |
|
1382 |
You need a special collection (or two Dictionaries) to get this |
|
1383 |
reverse mapping fast." |
|
1384 |
||
1256 | 1385 |
"/ OLD: |
1386 |
"/ ^ self includesKey:(anObject key) |
|
1387 |
"/ NEW: |
|
1388 |
||
609 | 1389 |
^ self includesValue:anObject |
1256 | 1390 |
|
1391 |
"Modified: 22.4.1996 / 17:20:11 / cg" |
|
609 | 1392 |
! |
68 | 1393 |
|
609 | 1394 |
includesAssociation:anAssociation |
1395 |
"return true, if there is an association in the receiver with the |
|
1396 |
same key and value as the argument, anAssociation. |
|
1397 |
NOTICE: in contrast to #includes:, this compares both key and value." |
|
1398 |
||
1399 |
|val| |
|
44 | 1400 |
|
609 | 1401 |
val := self at:(anAssociation key) ifAbsent:[^ false]. |
3318
d8173a888c93
oops - compareSame was wrong (used with #includesAssociation:)
Claus Gittinger <cg@exept.de>
parents:
3304
diff
changeset
|
1402 |
^ self compareSame:val with:anAssociation value |
d8173a888c93
oops - compareSame was wrong (used with #includesAssociation:)
Claus Gittinger <cg@exept.de>
parents:
3304
diff
changeset
|
1403 |
|
d8173a888c93
oops - compareSame was wrong (used with #includesAssociation:)
Claus Gittinger <cg@exept.de>
parents:
3304
diff
changeset
|
1404 |
"Modified: / 5.3.1998 / 20:35:00 / cg" |
609 | 1405 |
! |
1406 |
||
1407 |
includesKey:aKey |
|
1408 |
"return true, if the argument, aKey is a key in the receiver" |
|
1409 |
||
1410 |
^ (self find:aKey ifAbsent:0) ~~ 0 |
|
1411 |
! |
|
293 | 1412 |
|
609 | 1413 |
includesValue:aValue |
1414 |
"return true, if the argument, aValue is stored in the dictionary, |
|
1415 |
i.e. if there is an associaten, with aValue as value. |
|
1416 |
This is a slow search, since there is no fast reverse mapping; |
|
1417 |
the values have to be all scanned without any hashing. |
|
1418 |
You need a special collection (or two Dictionaries) to get this |
|
1419 |
reverse mapping fast." |
|
293 | 1420 |
|
609 | 1421 |
^ valueArray includes:aValue |
1422 |
! |
|
293 | 1423 |
|
609 | 1424 |
occurrencesOf:anObject |
1425 |
"count & return how often anObject is stored in the dictionary. |
|
1426 |
This counts values - not keys." |
|
1427 |
||
1428 |
^ valueArray occurrencesOf:anObject |
|
1 | 1429 |
! ! |
609 | 1430 |
|
2094
42cd02703bf4
handle recursive printString/displayString
Claus Gittinger <cg@exept.de>
parents:
1703
diff
changeset
|
1431 |
!Dictionary class methodsFor:'documentation'! |
633 | 1432 |
|
1433 |
version |
|
3919 | 1434 |
^ '$Header: /cvs/stx/stx/libbasic/Dictionary.st,v 1.60 1998-11-09 21:34:15 cg Exp $' |
633 | 1435 |
! ! |