author | Claus Gittinger <cg@exept.de> |
Thu, 22 Jan 2009 21:24:47 +0100 | |
changeset 11489 | 6009fd847761 |
parent 11475 | f7e1a355df17 |
child 11498 | df4f9e10b141 |
permissions | -rw-r--r-- |
1 | 1 |
" |
5 | 2 |
COPYRIGHT (c) 1989 by Claus Gittinger |
6135 | 3 |
All Rights Reserved |
1 | 4 |
|
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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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7 |
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 |
|
10 |
hereby transferred. |
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" |
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"{ Package: 'stx:libbasic' }" |
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Object subclass:#Collection |
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instanceVariableNames:'' |
16 |
classVariableNames:'InvalidKeySignal EmptyCollectionSignal ValueNotFoundSignal |
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NotEnoughElementsSignal RecursiveCollectionStoreStringSignal' |
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poolDictionaries:'' |
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category:'Collections-Abstract' |
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! |
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||
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!Collection class methodsFor:'documentation'! |
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copyright |
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25 |
" |
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COPYRIGHT (c) 1989 by Claus Gittinger |
|
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All Rights Reserved |
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|
88 | 29 |
This software is furnished under a license and may be used |
30 |
only in accordance with the terms of that license and with the |
|
31 |
inclusion of the above copyright notice. This software may not |
|
32 |
be provided or otherwise made available to, or used by, any |
|
33 |
other person. No title to or ownership of the software is |
|
34 |
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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Abstract superclass for all collections. |
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This abstract class provides functionality common to all collections, |
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without knowing how the concrete class implements things. Thus, all |
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methods found here depend on some basic mechanisms to be defined in the |
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concrete class. |
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These basic methods are usually defined as #subclassResponsibility here. |
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Some methods are also redefined for better performance. |
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Subclasses should at least implement: |
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do: - enumerate elements |
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||
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they should implement one of the following set of access messages: |
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keyed collections: |
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at:ifAbsent: - fetching an element |
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at: - fetching an element |
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at:put: - storing an element |
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||
57 |
unkeyed collections: |
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add: - add an element |
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remove:ifAbsent: - remove an element |
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[author:] |
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Claus Gittinger |
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" |
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! ! |
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!Collection class methodsFor:'initialization'! |
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initialize |
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"setup the signal" |
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||
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InvalidKeySignal isNil ifTrue:[ |
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InvalidKeySignal := Error newSignalMayProceed:true. |
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InvalidKeySignal nameClass:self message:#invalidKeySignal. |
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InvalidKeySignal notifierString:'invalid key:'. |
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ValueNotFoundSignal := NotFoundError newSignalMayProceed:true. |
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ValueNotFoundSignal nameClass:self message:#valueNotFoundSignal. |
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ValueNotFoundSignal notifierString:'value not found:'. |
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NotEnoughElementsSignal := NotFoundError newSignalMayProceed:true. |
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NotEnoughElementsSignal nameClass:self message:#notEnoughElementsSignal. |
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NotEnoughElementsSignal notifierString:'not enough elements in collection'. |
348 | 84 |
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EmptyCollectionSignal := NotEnoughElementsSignal newSignalMayProceed:true. |
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EmptyCollectionSignal nameClass:self message:#emptyCollectionSignal. |
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EmptyCollectionSignal notifierString:'operation not allowed for empty collections'. |
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] |
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"Modified: / 8.11.1997 / 19:18:17 / cg" |
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! ! |
92 |
||
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!Collection class methodsFor:'instance creation'! |
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602 | 95 |
new:size withAll:element |
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"return a new Collection of size, where all elements are |
602 | 97 |
initialized to element" |
348 | 98 |
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602 | 99 |
|newCollection| |
92 | 100 |
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602 | 101 |
newCollection := self new:size. |
102 |
size timesRepeat:[newCollection add:element] |
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! |
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5626 | 105 |
newFrom:aCollection |
106 |
"Return an instance of me containing the same elements as aCollection." |
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108 |
^ self withAll:aCollection |
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" |
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Bag newFrom:#(1 2 3 4 4 5 6 7 7 7 ) |
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Set newFrom:#(1 2 3 4 4 5 6 7 7 7 ) |
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" |
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! |
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||
1 | 116 |
with:anObject |
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"return a new Collection with one element:anObject" |
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119 |
|newCollection| |
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120 |
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121 |
newCollection := self new. |
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newCollection add:anObject. |
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^ newCollection |
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! |
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125 |
||
126 |
with:firstObject with:secondObject |
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"return a new Collection with two elements:firstObject and secondObject" |
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129 |
|newCollection| |
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131 |
newCollection := self new. |
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1112 | 132 |
newCollection add:firstObject; add:secondObject. |
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^ newCollection |
134 |
! |
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||
136 |
with:firstObject with:secondObject with:thirdObject |
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"return a new Collection with three elements" |
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138 |
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|newCollection| |
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newCollection := self new. |
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newCollection add:firstObject; add:secondObject; add:thirdObject. |
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^ newCollection |
144 |
! |
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with:firstObject with:secondObject with:thirdObject with:fourthObject |
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"return a new Collection with four elements" |
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|newCollection| |
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151 |
newCollection := self new. |
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1112 | 152 |
newCollection add:firstObject; add:secondObject; add:thirdObject; add:fourthObject. |
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^ newCollection |
154 |
! |
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||
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with:a1 with:a2 with:a3 with:a4 with:a5 |
345 | 157 |
"return a new Collection with five elements" |
158 |
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159 |
|newCollection| |
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newCollection := self new. |
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newCollection add:a1; add:a2; add:a3; add:a4; add:a5. |
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^ newCollection |
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"Modified: 22.1.1997 / 19:34:01 / cg" |
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! |
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with:a1 with:a2 with:a3 with:a4 with:a5 with:a6 |
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"return a new Collection with size elements" |
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|newCollection| |
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newCollection := self new. |
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newCollection add:a1; add:a2; add:a3; add:a4; add:a5; add:a6. |
345 | 175 |
^ newCollection |
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"Created: 22.1.1997 / 19:34:14 / cg" |
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! |
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with:a1 with:a2 with:a3 with:a4 with:a5 with:a6 with:a7 |
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"return a new Collection with seven elements" |
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|newCollection| |
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newCollection := self new. |
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newCollection add:a1; add:a2; add:a3; add:a4; add:a5; add:a6; add:a7. |
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^ newCollection |
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|
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"Created: 22.1.1997 / 19:34:24 / cg" |
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! |
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|
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with:a1 with:a2 with:a3 with:a4 with:a5 with:a6 with:a7 with:a8 |
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"return a new Collection with eight elements" |
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|
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|newCollection| |
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|
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197 |
newCollection := self new. |
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198 |
newCollection add:a1; add:a2; add:a3; add:a4; add:a5; add:a6; add:a7; add:a8. |
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199 |
^ newCollection |
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|
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"Created: 22.1.1997 / 19:34:34 / cg" |
345 | 202 |
! |
203 |
||
1 | 204 |
withAll:aCollection |
205 |
"return a new Collection with all elements taken from the argument, |
|
206 |
aCollection" |
|
207 |
||
208 |
|newCollection| |
|
209 |
||
210 |
newCollection := self new. |
|
211 |
newCollection addAll:aCollection. |
|
212 |
^newCollection |
|
9159 | 213 |
! |
214 |
||
215 |
withSize:n |
|
216 |
"return a new collection which really provides space for n elements. |
|
217 |
Kludges around the stupid definition of OrderedCollection>>new:" |
|
218 |
||
219 |
^ self new:n |
|
220 |
! ! |
|
221 |
||
222 |
!Collection class methodsFor:'Compatibility-Squeak'! |
|
223 |
||
224 |
ofSize:n |
|
225 |
"return a new collection which really provides space for n elements. |
|
226 |
Kludges around the stupid definition of OrderedCollection>>new:" |
|
227 |
||
228 |
^ self withSize:n |
|
1 | 229 |
! ! |
230 |
||
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2097 | 232 |
!Collection class methodsFor:'Signal constants'! |
10 | 233 |
|
602 | 234 |
emptyCollectionSignal |
235 |
"return the signal used to report non-allowed operation on empty collections" |
|
345 | 236 |
|
602 | 237 |
^ EmptyCollectionSignal |
308 | 238 |
! |
239 |
||
602 | 240 |
invalidKeySignal |
241 |
"return the signal used to report bad key usage" |
|
308 | 242 |
|
602 | 243 |
^ InvalidKeySignal |
201 | 244 |
! |
245 |
||
602 | 246 |
notEnoughElementsSignal |
247 |
"return the signal used to report attempts for an operation, for which |
|
248 |
there are not enough elements in the collection" |
|
249 | 249 |
|
602 | 250 |
^ NotEnoughElementsSignal |
404 | 251 |
! |
252 |
||
602 | 253 |
valueNotFoundSignal |
254 |
"return the signal used to report a nonexisting element." |
|
404 | 255 |
|
602 | 256 |
^ ValueNotFoundSignal |
257 |
! ! |
|
404 | 258 |
|
2097 | 259 |
!Collection class methodsFor:'queries'! |
404 | 260 |
|
602 | 261 |
growIsCheap |
262 |
"return true, if this collection can easily grow |
|
263 |
(i.e. without a need for become:). |
|
264 |
Returns true here; this method is redefined in fix-size |
|
265 |
collections" |
|
404 | 266 |
|
602 | 267 |
^ true |
8893 | 268 |
! |
269 |
||
270 |
isAbstract |
|
11231 | 271 |
"Return if this class is an abstract class. |
272 |
True is returned for Collection here; false for subclasses. |
|
273 |
Abstract subclasses must redefine again." |
|
274 |
||
8893 | 275 |
^ self == Collection |
257 | 276 |
! ! |
277 |
||
7261 | 278 |
!Collection methodsFor:'Compatibility-Dolphin'! |
6411 | 279 |
|
280 |
identityIncludes:anObject |
|
7807 | 281 |
"return true, if the argument, anObject is in the collection. |
282 |
Same as #includesIdentical for Dolphin compatibility." |
|
283 |
||
6411 | 284 |
^ self includesIdentical:anObject. |
6869 | 285 |
! |
286 |
||
287 |
includesAnyOf:aCollection |
|
288 |
"same as #includesAny for Dolphin compatibility." |
|
289 |
||
290 |
^ self includesAny:aCollection |
|
291 |
||
292 |
" |
|
293 |
#(1 2 3 4 5 6 7) includesAny:#(1 2 3) |
|
294 |
#('hello' 'there' 'world') includesAny:#('hello' 'world') |
|
295 |
#(1 2 3 4 5 6 7) includesAny:#(7 8 9) |
|
296 |
#(1 2 3 4 5 6 7) includesAny:#(8 9 10) |
|
297 |
" |
|
6411 | 298 |
! ! |
299 |
||
7261 | 300 |
!Collection methodsFor:'Compatibility-Squeak'! |
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9354 | 302 |
addIfNotPresent:anObject |
7011 | 303 |
"Include anObject as one of the receiver's elements, but only if there |
304 |
is no such element already. Anwser anObject." |
|
305 |
||
306 |
(self includes: anObject) ifFalse: [self add: anObject]. |
|
307 |
^ anObject |
|
308 |
! |
|
309 |
||
6149 | 310 |
anyOne |
8858 | 311 |
"return any element from the collection. |
312 |
Report an error if there is none. |
|
6149 | 313 |
Same as #anElement - for Squeak compatibility" |
314 |
||
315 |
^ self anElement |
|
316 |
! |
|
317 |
||
9354 | 318 |
groupBy:keyBlock having:selectBlock |
9319 | 319 |
"Like in SQL operation - Split the recievers contents into collections of |
9354 | 320 |
elements for which keyBlock returns the same results, and return those |
321 |
collections allowed by selectBlock. " |
|
322 |
||
9319 | 323 |
|result key| |
324 |
result := OrderedDictionary new. |
|
325 |
self do: |
|
326 |
[:e | |
|
327 |
key := keyBlock value: e. |
|
328 |
(result includesKey: key) |
|
329 |
ifFalse: [result at: key put: OrderedCollection new]. |
|
330 |
(result at: key) |
|
331 |
add: e]. |
|
332 |
^ result := result select: selectBlock |
|
333 |
||
9354 | 334 |
" |
335 |
#(1 2 3 4 5 6 7 8 9) groupBy:[:e | e odd] having:[:a |true] |
|
336 |
" |
|
9319 | 337 |
! |
338 |
||
9065 | 339 |
ifEmpty:ifEmptyValue ifNotEmpty:ifNotEmptyValue |
340 |
|action| |
|
341 |
||
342 |
action := self isEmpty ifTrue:[ ifEmptyValue ] ifFalse:[ ifNotEmptyValue ]. |
|
343 |
||
344 |
action isBlock ifTrue:[ |
|
345 |
action numArgs == 1 ifTrue:[ |
|
346 |
^ action value:self |
|
347 |
] |
|
348 |
]. |
|
349 |
^ action value |
|
350 |
! |
|
351 |
||
352 |
ifEmpty:ifEmptyValue ifNotEmptyDo:ifNotEmptyValue |
|
353 |
^ self ifEmpty:ifEmptyValue ifNotEmpty:ifNotEmptyValue |
|
354 |
! |
|
355 |
||
356 |
ifEmptyDo:ifEmptyValue ifNotEmpty:ifNotEmptyValue |
|
357 |
^ self ifEmpty:ifEmptyValue ifNotEmpty:ifNotEmptyValue |
|
358 |
! |
|
359 |
||
360 |
ifNotEmpty:ifNotEmptyValue |
|
361 |
^ self ifEmpty:nil ifNotEmpty:ifNotEmptyValue |
|
362 |
! |
|
363 |
||
364 |
ifNotEmptyDo:ifNotEmptyValue |
|
365 |
^ self ifEmpty:nil ifNotEmpty:ifNotEmptyValue |
|
366 |
! |
|
367 |
||
368 |
ifNotEmptyDo:ifNotEmptyValue ifEmpty:ifEmptyValue |
|
369 |
^ self ifEmpty:ifEmptyValue ifNotEmpty:ifNotEmptyValue |
|
370 |
! |
|
371 |
||
11280 | 372 |
intersection:aCollection |
373 |
^ self intersect:aCollection |
|
374 |
||
375 |
"Created: / 22-10-2008 / 21:29:27 / cg" |
|
376 |
! |
|
377 |
||
5752
66031c1d493a
added #withIndexDo: for Squeak compatibility
Claus Gittinger <cg@exept.de>
parents:
5651
diff
changeset
|
378 |
withIndexDo:aTwoArgBlock |
66031c1d493a
added #withIndexDo: for Squeak compatibility
Claus Gittinger <cg@exept.de>
parents:
5651
diff
changeset
|
379 |
"evaluate the argument, aBlock for every element in the collection, |
66031c1d493a
added #withIndexDo: for Squeak compatibility
Claus Gittinger <cg@exept.de>
parents:
5651
diff
changeset
|
380 |
passing both element and index as arguments." |
66031c1d493a
added #withIndexDo: for Squeak compatibility
Claus Gittinger <cg@exept.de>
parents:
5651
diff
changeset
|
381 |
|
66031c1d493a
added #withIndexDo: for Squeak compatibility
Claus Gittinger <cg@exept.de>
parents:
5651
diff
changeset
|
382 |
^ self keysAndValuesDo:[:key :index | |
66031c1d493a
added #withIndexDo: for Squeak compatibility
Claus Gittinger <cg@exept.de>
parents:
5651
diff
changeset
|
383 |
aTwoArgBlock value:index value:key |
66031c1d493a
added #withIndexDo: for Squeak compatibility
Claus Gittinger <cg@exept.de>
parents:
5651
diff
changeset
|
384 |
]. |
66031c1d493a
added #withIndexDo: for Squeak compatibility
Claus Gittinger <cg@exept.de>
parents:
5651
diff
changeset
|
385 |
! ! |
66031c1d493a
added #withIndexDo: for Squeak compatibility
Claus Gittinger <cg@exept.de>
parents:
5651
diff
changeset
|
386 |
|
11489
6009fd847761
sum returns 0 when applied to an empty receiver
Claus Gittinger <cg@exept.de>
parents:
11475
diff
changeset
|
387 |
|
1 | 388 |
!Collection methodsFor:'accessing'! |
389 |
||
602 | 390 |
anElement |
6966 | 391 |
"return any element from the collection, |
392 |
report an error if there is none" |
|
602 | 393 |
|
394 |
self do: [:each | ^ each]. |
|
6511
0ca4f36b16ca
signal an error in #anElement if there is none;
Claus Gittinger <cg@exept.de>
parents:
6506
diff
changeset
|
395 |
self emptyCollectionError. |
602 | 396 |
! |
397 |
||
1369
5e7b6fabd248
raised #atAll:put: up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1359
diff
changeset
|
398 |
atAll:indexCollection put:anObject |
5e7b6fabd248
raised #atAll:put: up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1359
diff
changeset
|
399 |
"put anObject into all indexes from indexCollection in the receiver. |
5e7b6fabd248
raised #atAll:put: up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1359
diff
changeset
|
400 |
This abstract implementation requires that the receiver supports |
5e7b6fabd248
raised #atAll:put: up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1359
diff
changeset
|
401 |
access via a key (and indexCollection contains valid keys). |
5e7b6fabd248
raised #atAll:put: up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1359
diff
changeset
|
402 |
|
5e7b6fabd248
raised #atAll:put: up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1359
diff
changeset
|
403 |
Notice: This operation modifies the receiver, NOT a copy; |
5e7b6fabd248
raised #atAll:put: up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1359
diff
changeset
|
404 |
therefore the change may affect all others referencing the receiver." |
5e7b6fabd248
raised #atAll:put: up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1359
diff
changeset
|
405 |
|
5e7b6fabd248
raised #atAll:put: up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1359
diff
changeset
|
406 |
indexCollection do:[:index | self at:index put:anObject] |
5e7b6fabd248
raised #atAll:put: up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1359
diff
changeset
|
407 |
|
5e7b6fabd248
raised #atAll:put: up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1359
diff
changeset
|
408 |
" |
3469
2c7f6fc4685a
started args / returns comments.
Claus Gittinger <cg@exept.de>
parents:
3402
diff
changeset
|
409 |
args: indexCollection : <Collection of keys<object> > |
2c7f6fc4685a
started args / returns comments.
Claus Gittinger <cg@exept.de>
parents:
3402
diff
changeset
|
410 |
returns: self |
2c7f6fc4685a
started args / returns comments.
Claus Gittinger <cg@exept.de>
parents:
3402
diff
changeset
|
411 |
" |
2c7f6fc4685a
started args / returns comments.
Claus Gittinger <cg@exept.de>
parents:
3402
diff
changeset
|
412 |
|
2c7f6fc4685a
started args / returns comments.
Claus Gittinger <cg@exept.de>
parents:
3402
diff
changeset
|
413 |
" |
1369
5e7b6fabd248
raised #atAll:put: up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1359
diff
changeset
|
414 |
(Array new:10) atAll:(1 to:5) put:0 |
5e7b6fabd248
raised #atAll:put: up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1359
diff
changeset
|
415 |
(Array new:10) atAll:#(1 5 6 9) put:0 |
5e7b6fabd248
raised #atAll:put: up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1359
diff
changeset
|
416 |
(Dictionary new) atAll:#(foo bar baz) put:'hello' |
5e7b6fabd248
raised #atAll:put: up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1359
diff
changeset
|
417 |
|
5e7b6fabd248
raised #atAll:put: up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1359
diff
changeset
|
418 |
raises an error: |
5e7b6fabd248
raised #atAll:put: up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1359
diff
changeset
|
419 |
(Set new) atAll:#(foo bar baz) put:'hello' |
5e7b6fabd248
raised #atAll:put: up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1359
diff
changeset
|
420 |
" |
5e7b6fabd248
raised #atAll:put: up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1359
diff
changeset
|
421 |
|
3469
2c7f6fc4685a
started args / returns comments.
Claus Gittinger <cg@exept.de>
parents:
3402
diff
changeset
|
422 |
"Modified: / 20.5.1998 / 14:50:46 / cg" |
1369
5e7b6fabd248
raised #atAll:put: up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1359
diff
changeset
|
423 |
! |
5e7b6fabd248
raised #atAll:put: up in the hierarchy
Claus Gittinger <cg@exept.de>
parents:
1359
diff
changeset
|
424 |
|
4985 | 425 |
fifth |
426 |
"return the fifth element of the collection. |
|
427 |
For unordered collections, this simply returns the fifth |
|
428 |
element when enumerating them. |
|
429 |
This should be redefined in subclasses." |
|
430 |
||
431 |
^ self nth:5 |
|
432 |
||
433 |
" |
|
434 |
#(1 2 3 4 5) fifth |
|
435 |
" |
|
436 |
! |
|
437 |
||
68 | 438 |
first |
439 |
"return the first element of the collection. |
|
4855 | 440 |
For unordered collections, this simply returns the first |
441 |
element when enumerating them. |
|
68 | 442 |
This should be redefined in subclasses." |
443 |
||
444 |
self do:[:e | ^ e]. |
|
445 |
||
446 |
"error if collection is empty" |
|
155 | 447 |
^ self emptyCollectionError |
68 | 448 |
! |
449 |
||
5887 | 450 |
first:n |
451 |
"return the n first elements of the collection. |
|
452 |
Raises an error if there are not enough elements in the receiver. |
|
453 |
For unordered collections, this simply returns the first |
|
454 |
n elements when enumerating them |
|
455 |
(Warning: the contents of the returned collection is not deterministic in this case). |
|
456 |
This should be redefined in subclasses." |
|
457 |
||
458 |
|coll remain| |
|
459 |
||
460 |
n < 0 ifTrue:[self error:'bad (negative) argument']. |
|
461 |
||
462 |
coll := OrderedCollection new. |
|
463 |
remain := n. |
|
464 |
self do:[:e | |
|
465 |
coll add:e. |
|
466 |
remain := remain - 1. |
|
467 |
remain == 0 ifTrue:[ |
|
468 |
^ coll |
|
469 |
]. |
|
470 |
]. |
|
471 |
||
472 |
"error if collection has not enough elements" |
|
473 |
^ self notEnoughElementsError |
|
474 |
||
475 |
" |
|
476 |
#(1 2 3 4 5) first:3 |
|
477 |
#(1 2 3 4 5) asSet first:3 |
|
478 |
" |
|
479 |
! |
|
480 |
||
936
9054edb471b3
added #firstIfEmpty: / #lastIfEmpty:
Claus Gittinger <cg@exept.de>
parents:
628
diff
changeset
|
481 |
firstIfEmpty:exceptionValue |
9054edb471b3
added #firstIfEmpty: / #lastIfEmpty:
Claus Gittinger <cg@exept.de>
parents:
628
diff
changeset
|
482 |
"return the first element of the collection. |
10593 | 483 |
If its empty, return the exceptionValue. |
936
9054edb471b3
added #firstIfEmpty: / #lastIfEmpty:
Claus Gittinger <cg@exept.de>
parents:
628
diff
changeset
|
484 |
(i.e. dont trigger an error as done in #first)" |
9054edb471b3
added #firstIfEmpty: / #lastIfEmpty:
Claus Gittinger <cg@exept.de>
parents:
628
diff
changeset
|
485 |
|
9054edb471b3
added #firstIfEmpty: / #lastIfEmpty:
Claus Gittinger <cg@exept.de>
parents:
628
diff
changeset
|
486 |
self isEmpty ifTrue:[^ exceptionValue value]. |
10593 | 487 |
^ self first |
488 |
||
489 |
"Modified: / 04-06-2007 / 22:36:14 / cg" |
|
490 |
! |
|
491 |
||
492 |
firstOrNil |
|
493 |
"return the first element of the collection. |
|
494 |
If its empty, return nil. |
|
495 |
(i.e. dont trigger an error as done in #first)" |
|
496 |
||
497 |
^ self firstIfEmpty:nil |
|
498 |
||
499 |
"Created: / 04-06-2007 / 22:36:07 / cg" |
|
936
9054edb471b3
added #firstIfEmpty: / #lastIfEmpty:
Claus Gittinger <cg@exept.de>
parents:
628
diff
changeset
|
500 |
! |
9054edb471b3
added #firstIfEmpty: / #lastIfEmpty:
Claus Gittinger <cg@exept.de>
parents:
628
diff
changeset
|
501 |
|
4985 | 502 |
fourth |
503 |
"return the fourth element of the collection. |
|
504 |
For unordered collections, this simply returns the fourth |
|
505 |
element when enumerating them. |
|
506 |
This should be redefined in subclasses." |
|
507 |
||
508 |
^ self nth:4 |
|
509 |
||
510 |
" |
|
511 |
#(1 2 3 4) fourth |
|
512 |
" |
|
513 |
! |
|
514 |
||
68 | 515 |
last |
516 |
"return the last element of the collection. |
|
517 |
This should be redefined in subclasses." |
|
518 |
||
519 |
|theLastOne any| |
|
520 |
||
521 |
any := false. |
|
522 |
self do:[:e | any := true. theLastOne := e]. |
|
523 |
any ifTrue:[ |
|
6135 | 524 |
^ theLastOne |
68 | 525 |
]. |
526 |
||
527 |
"error if collection is empty" |
|
155 | 528 |
^ self emptyCollectionError |
68 | 529 |
! |
530 |
||
5887 | 531 |
last:n |
532 |
"return the n last elements of the collection. |
|
533 |
Raises an error if there are not enough elements in the receiver. |
|
534 |
For unordered collections, this simply returns the last |
|
535 |
n elements when enumerating them |
|
536 |
(Warning: the contents of the returned collection is not deterministic in this case). |
|
537 |
This should be redefined in subclasses since the implementation here is VERY inefficient." |
|
538 |
||
539 |
|coll remain| |
|
540 |
||
541 |
n < 0 ifTrue:[self error:'bad (negative) argument']. |
|
542 |
||
10798
18d87b8fce50
Clean up code and document differences between #add: and #addLast:
Stefan Vogel <sv@exept.de>
parents:
10795
diff
changeset
|
543 |
coll := OrderedCollection new:n. |
5887 | 544 |
remain := n. |
545 |
self do:[:e | |
|
546 |
remain > 0 ifTrue:[ |
|
547 |
remain := remain - 1. |
|
548 |
] ifFalse:[ |
|
549 |
coll removeFirst. |
|
550 |
]. |
|
10798
18d87b8fce50
Clean up code and document differences between #add: and #addLast:
Stefan Vogel <sv@exept.de>
parents:
10795
diff
changeset
|
551 |
coll add:e. |
5887 | 552 |
]. |
553 |
||
554 |
remain ~~ 0 ifTrue:[ |
|
555 |
"error if collection has not enough elements" |
|
556 |
^ self notEnoughElementsError |
|
557 |
]. |
|
558 |
^ coll |
|
559 |
||
560 |
" |
|
561 |
#(1 2 3 4 5) last:3 |
|
10798
18d87b8fce50
Clean up code and document differences between #add: and #addLast:
Stefan Vogel <sv@exept.de>
parents:
10795
diff
changeset
|
562 |
#(1 2 3 4 5 6 7 8 9 0) asSet last:3 |
5887 | 563 |
'hello world' last:5 |
564 |
" |
|
565 |
! |
|
566 |
||
936
9054edb471b3
added #firstIfEmpty: / #lastIfEmpty:
Claus Gittinger <cg@exept.de>
parents:
628
diff
changeset
|
567 |
lastIfEmpty:exceptionValue |
9054edb471b3
added #firstIfEmpty: / #lastIfEmpty:
Claus Gittinger <cg@exept.de>
parents:
628
diff
changeset
|
568 |
"return the last element of the collection. |
9054edb471b3
added #firstIfEmpty: / #lastIfEmpty:
Claus Gittinger <cg@exept.de>
parents:
628
diff
changeset
|
569 |
If its empty, return the exceptionValue. |
9054edb471b3
added #firstIfEmpty: / #lastIfEmpty:
Claus Gittinger <cg@exept.de>
parents:
628
diff
changeset
|
570 |
(i.e. dont trigger an error as done in #last)" |
9054edb471b3
added #firstIfEmpty: / #lastIfEmpty:
Claus Gittinger <cg@exept.de>
parents:
628
diff
changeset
|
571 |
|
9054edb471b3
added #firstIfEmpty: / #lastIfEmpty:
Claus Gittinger <cg@exept.de>
parents:
628
diff
changeset
|
572 |
self isEmpty ifTrue:[^ exceptionValue value]. |
9054edb471b3
added #firstIfEmpty: / #lastIfEmpty:
Claus Gittinger <cg@exept.de>
parents:
628
diff
changeset
|
573 |
^ self last |
9054edb471b3
added #firstIfEmpty: / #lastIfEmpty:
Claus Gittinger <cg@exept.de>
parents:
628
diff
changeset
|
574 |
|
9054edb471b3
added #firstIfEmpty: / #lastIfEmpty:
Claus Gittinger <cg@exept.de>
parents:
628
diff
changeset
|
575 |
"Modified: 6.2.1996 / 15:27:17 / cg" |
9054edb471b3
added #firstIfEmpty: / #lastIfEmpty:
Claus Gittinger <cg@exept.de>
parents:
628
diff
changeset
|
576 |
"Created: 6.2.1996 / 15:27:49 / cg" |
4855 | 577 |
! |
578 |
||
9073 | 579 |
median |
580 |
"Return the middle element, or as close as we can get." |
|
581 |
||
582 |
^ self asSortedCollection median |
|
583 |
||
584 |
" |
|
585 |
#(10 35 20 45 30 5) median |
|
586 |
" |
|
587 |
! |
|
588 |
||
4985 | 589 |
nth:n |
590 |
"return the nth element of the collection. |
|
591 |
For unordered collections, this simply returns the nth |
|
592 |
element when enumerating them. |
|
593 |
This should be redefined in subclasses." |
|
594 |
||
595 |
|count| |
|
596 |
||
597 |
count := 1. |
|
598 |
self do:[:e | |
|
599 |
count == n ifTrue:[^ e]. |
|
600 |
count := count + 1 |
|
601 |
]. |
|
602 |
||
5266 | 603 |
"error if collection is smaller" |
604 |
^ self notEnoughElementsError |
|
4985 | 605 |
|
606 |
" |
|
607 |
#(1 2 3 4) nth:3 |
|
5266 | 608 |
#(1 2 3 4) nth:5 |
609 |
||
610 |
#(1 2 3 4) asSet nth:3 |
|
611 |
#(1 2 3 4) asSet nth:5 |
|
4985 | 612 |
" |
613 |
! |
|
614 |
||
4855 | 615 |
second |
616 |
"return the second element of the collection. |
|
617 |
For unordered collections, this simply returns the second |
|
618 |
element when enumerating them. |
|
7129 | 619 |
This should be redefined in subclasses." |
620 |
||
621 |
^ self nth:2 |
|
4855 | 622 |
|
4856 | 623 |
" |
624 |
#(1 2 3) second |
|
625 |
" |
|
6135 | 626 |
! |
627 |
||
628 |
seventh |
|
629 |
"return the seventh element of the collection. |
|
630 |
For unordered collections, this simply returns the sixth |
|
631 |
element when enumerating them. |
|
632 |
This should be redefined in subclasses." |
|
633 |
||
634 |
^ self nth:7 |
|
635 |
||
636 |
" |
|
637 |
#(1 2 3 4 5 6 7) seventh |
|
638 |
" |
|
639 |
||
640 |
"Created: / 1.11.2001 / 16:43:29 / cg" |
|
4856 | 641 |
! |
642 |
||
4985 | 643 |
sixth |
644 |
"return the sixth element of the collection. |
|
645 |
For unordered collections, this simply returns the sixth |
|
646 |
element when enumerating them. |
|
647 |
This should be redefined in subclasses." |
|
648 |
||
649 |
^ self nth:6 |
|
650 |
||
651 |
" |
|
652 |
#(1 2 3 4 5 6 7) sixth |
|
653 |
" |
|
654 |
! |
|
655 |
||
4856 | 656 |
third |
657 |
"return the third element of the collection. |
|
658 |
For unordered collections, this simply returns the third |
|
659 |
element when enumerating them. |
|
660 |
This should be redefined in subclasses." |
|
661 |
||
4985 | 662 |
^ self nth:3 |
4856 | 663 |
|
664 |
||
665 |
" |
|
666 |
#(1 2 3) third |
|
667 |
" |
|
1 | 668 |
! ! |
669 |
||
670 |
!Collection methodsFor:'adding & removing'! |
|
671 |
||
672 |
add:anObject |
|
88 | 673 |
"add the argument, anObject to the receiver. |
674 |
If the receiver is ordered, the position of the new element is undefined |
|
7168
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
675 |
(i.e. don't depend on where it will be put). |
2351 | 676 |
An error is raised here - it is to be implemented by a concrete subclass." |
1 | 677 |
|
678 |
^ self subclassResponsibility |
|
2351 | 679 |
|
680 |
"Modified: 1.2.1997 / 11:57:08 / cg" |
|
1 | 681 |
! |
682 |
||
1373
2c7cab1a4a2e
oops - typo; occurrences has two r's
Claus Gittinger <cg@exept.de>
parents:
1370
diff
changeset
|
683 |
add:newObject withOccurrences:anInteger |
2c7cab1a4a2e
oops - typo; occurrences has two r's
Claus Gittinger <cg@exept.de>
parents:
1370
diff
changeset
|
684 |
"add the argument, anObject anInteger times to the receiver. |
2c7cab1a4a2e
oops - typo; occurrences has two r's
Claus Gittinger <cg@exept.de>
parents:
1370
diff
changeset
|
685 |
Returns the object." |
2c7cab1a4a2e
oops - typo; occurrences has two r's
Claus Gittinger <cg@exept.de>
parents:
1370
diff
changeset
|
686 |
|
2c7cab1a4a2e
oops - typo; occurrences has two r's
Claus Gittinger <cg@exept.de>
parents:
1370
diff
changeset
|
687 |
anInteger timesRepeat:[self add:newObject]. |
2c7cab1a4a2e
oops - typo; occurrences has two r's
Claus Gittinger <cg@exept.de>
parents:
1370
diff
changeset
|
688 |
^ newObject |
2c7cab1a4a2e
oops - typo; occurrences has two r's
Claus Gittinger <cg@exept.de>
parents:
1370
diff
changeset
|
689 |
|
2c7cab1a4a2e
oops - typo; occurrences has two r's
Claus Gittinger <cg@exept.de>
parents:
1370
diff
changeset
|
690 |
"Created: 11.5.1996 / 12:13:48 / cg" |
2c7cab1a4a2e
oops - typo; occurrences has two r's
Claus Gittinger <cg@exept.de>
parents:
1370
diff
changeset
|
691 |
! |
2c7cab1a4a2e
oops - typo; occurrences has two r's
Claus Gittinger <cg@exept.de>
parents:
1370
diff
changeset
|
692 |
|
1 | 693 |
addAll:aCollection |
1163 | 694 |
"add all elements of the argument, aCollection to the receiver. |
7752 | 695 |
Returns the argument, aCollection (sigh)." |
1 | 696 |
|
697 |
aCollection do:[:element | |
|
1163 | 698 |
self add:element |
1 | 699 |
]. |
700 |
^ aCollection |
|
88 | 701 |
|
702 |
" |
|
703 |
#(1 2 3 4) copy addAll:#(5 6 7 8) |
|
704 |
#(1 2 3 4) asOrderedCollection addAll:#(5 6 7 8) |
|
705 |
" |
|
1163 | 706 |
|
707 |
"Modified: 12.4.1996 / 13:29:20 / cg" |
|
1 | 708 |
! |
709 |
||
12 | 710 |
addAllFirst:aCollection |
711 |
"insert all elements of the argument, aCollection at the beginning |
|
1163 | 712 |
of the receiver. Returns the argument, aCollection." |
12 | 713 |
|
714 |
aCollection reverseDo:[:element | |
|
1163 | 715 |
self addFirst:element |
12 | 716 |
]. |
717 |
^ aCollection |
|
718 |
||
719 |
" |
|
720 |
|c| |
|
721 |
c := #(4 3 2 1) asOrderedCollection. |
|
1163 | 722 |
c addAllFirst:#(9 8 7 6 5). |
723 |
c |
|
12 | 724 |
" |
1163 | 725 |
|
726 |
"Modified: 12.4.1996 / 13:30:10 / cg" |
|
12 | 727 |
! |
728 |
||
602 | 729 |
addAllLast:aCollection |
1163 | 730 |
"add all elements of the argument, aCollection to the receiver. |
731 |
Returns the argument, aCollection." |
|
602 | 732 |
|
733 |
aCollection do:[:element | |
|
1163 | 734 |
self addLast:element |
602 | 735 |
]. |
736 |
^ aCollection |
|
737 |
||
738 |
" |
|
739 |
|c| |
|
740 |
c := #(4 3 2 1) asOrderedCollection. |
|
741 |
c addAllLast:#(9 8 7 6 5) |
|
742 |
" |
|
1163 | 743 |
|
744 |
"Modified: 12.4.1996 / 13:30:54 / cg" |
|
602 | 745 |
! |
746 |
||
747 |
addFirst:anObject |
|
748 |
"add the argument, anObject to the receiver. |
|
2351 | 749 |
If the receiver is ordered, the new element will be added at the beginning. |
750 |
An error is raised here - it is to be implemented by a concrete subclass." |
|
1 | 751 |
|
752 |
^ self subclassResponsibility |
|
2351 | 753 |
|
754 |
"Modified: 1.2.1997 / 11:57:19 / cg" |
|
1 | 755 |
! |
756 |
||
602 | 757 |
addLast:anObject |
758 |
"add the argument, anObject to the receiver. |
|
1163 | 759 |
If the receiver is ordered, the new element will be added at the end. |
10798
18d87b8fce50
Clean up code and document differences between #add: and #addLast:
Stefan Vogel <sv@exept.de>
parents:
10795
diff
changeset
|
760 |
Return the argument, anObject. |
18d87b8fce50
Clean up code and document differences between #add: and #addLast:
Stefan Vogel <sv@exept.de>
parents:
10795
diff
changeset
|
761 |
|
18d87b8fce50
Clean up code and document differences between #add: and #addLast:
Stefan Vogel <sv@exept.de>
parents:
10795
diff
changeset
|
762 |
This usually has the same semantics as #add:. |
18d87b8fce50
Clean up code and document differences between #add: and #addLast:
Stefan Vogel <sv@exept.de>
parents:
10795
diff
changeset
|
763 |
OrderedSet and OrderedDictionary redefine this, to move anObject to |
18d87b8fce50
Clean up code and document differences between #add: and #addLast:
Stefan Vogel <sv@exept.de>
parents:
10795
diff
changeset
|
764 |
the end, even if it is already present in the collection." |
602 | 765 |
|
766 |
^ self add:anObject |
|
1163 | 767 |
|
768 |
"Modified: 12.4.1996 / 13:31:12 / cg" |
|
602 | 769 |
! |
770 |
||
3124 | 771 |
contents:aCollection |
3767
bbf560999d90
care for nil arg in #contents:
Claus Gittinger <cg@exept.de>
parents:
3469
diff
changeset
|
772 |
"set my contents from aCollection |
5265 | 773 |
- this may be redefined in a concrete subclass for more performance" |
3124 | 774 |
|
6042
04414166010e
check for bad arg in #contents:
Claus Gittinger <cg@exept.de>
parents:
5887
diff
changeset
|
775 |
aCollection == self ifTrue:[ |
04414166010e
check for bad arg in #contents:
Claus Gittinger <cg@exept.de>
parents:
5887
diff
changeset
|
776 |
"/ self error:'should not happen'. |
04414166010e
check for bad arg in #contents:
Claus Gittinger <cg@exept.de>
parents:
5887
diff
changeset
|
777 |
^ self |
04414166010e
check for bad arg in #contents:
Claus Gittinger <cg@exept.de>
parents:
5887
diff
changeset
|
778 |
]. |
04414166010e
check for bad arg in #contents:
Claus Gittinger <cg@exept.de>
parents:
5887
diff
changeset
|
779 |
|
3767
bbf560999d90
care for nil arg in #contents:
Claus Gittinger <cg@exept.de>
parents:
3469
diff
changeset
|
780 |
self removeAll. |
bbf560999d90
care for nil arg in #contents:
Claus Gittinger <cg@exept.de>
parents:
3469
diff
changeset
|
781 |
aCollection notNil ifTrue:[ |
bbf560999d90
care for nil arg in #contents:
Claus Gittinger <cg@exept.de>
parents:
3469
diff
changeset
|
782 |
self addAll:aCollection |
bbf560999d90
care for nil arg in #contents:
Claus Gittinger <cg@exept.de>
parents:
3469
diff
changeset
|
783 |
] |
3124 | 784 |
|
3767
bbf560999d90
care for nil arg in #contents:
Claus Gittinger <cg@exept.de>
parents:
3469
diff
changeset
|
785 |
"Modified: / 17.8.1998 / 10:18:43 / cg" |
3124 | 786 |
! |
787 |
||
1 | 788 |
remove:anObject |
2351 | 789 |
"search for the first element, which is equal to anObject; |
790 |
if found, remove and return it. |
|
791 |
If not found, report a 'value not found'-error. |
|
792 |
Uses equality compare (=) to search for the occurrence." |
|
1 | 793 |
|
1163 | 794 |
^ self remove:anObject ifAbsent:[self errorValueNotFound:anObject] |
795 |
||
2351 | 796 |
"Modified: 1.2.1997 / 11:58:48 / cg" |
1 | 797 |
! |
798 |
||
602 | 799 |
remove:anObject ifAbsent:exceptionBlock |
2351 | 800 |
"search for the first element, which is equal to anObject; |
801 |
if found, remove and return it. |
|
802 |
If not found, return the the value of the exceptionBlock. |
|
803 |
Uses equality compare (=) to search for the occurrence. |
|
804 |
An error is raised here - it is to be implemented by a concrete subclass." |
|
602 | 805 |
|
806 |
^ self subclassResponsibility |
|
2351 | 807 |
|
808 |
"Modified: 1.2.1997 / 11:56:53 / cg" |
|
602 | 809 |
! |
810 |
||
134 | 811 |
removeAll |
1163 | 812 |
"remove all elements from the receiver. Returns the receiver. |
134 | 813 |
This should be reimplemented in subclasses for better |
814 |
performance." |
|
815 |
||
2383 | 816 |
[self isEmpty] whileFalse:[ |
1163 | 817 |
self removeFirst |
134 | 818 |
]. |
1163 | 819 |
|
2383 | 820 |
"Modified: 12.2.1997 / 12:40:29 / cg" |
134 | 821 |
! |
822 |
||
1 | 823 |
removeAll:aCollection |
360 | 824 |
"remove all elements of the argument, aCollection from the receiver. |
1163 | 825 |
Return the argument, aCollection. |
5267 | 826 |
Raises an error, if some element-to-remove is not in the receiver. |
827 |
(see also: #removeAllFoundIn:, which does not raise an error). |
|
1163 | 828 |
|
360 | 829 |
Notice: for some collections (those not tuned for |
1163 | 830 |
resizing themself) this may be very slow. |
831 |
If the number of removed elements is big compared to to |
|
832 |
the receivers size, it may be better to copy the |
|
833 |
ones which are not to be removed into a new collection." |
|
1 | 834 |
|
835 |
aCollection do:[:element | self remove:element]. |
|
836 |
^ aCollection |
|
1163 | 837 |
|
5268 | 838 |
" |
839 |
|coll| |
|
840 |
||
841 |
coll := #(1 2 3 4 5 6) asSet. |
|
842 |
coll removeAll:#(4 5 6). |
|
843 |
coll |
|
844 |
" |
|
845 |
||
846 |
"raises an error: |
|
847 |
|coll| |
|
848 |
||
849 |
coll := #(1 2 3 4 5 6) asSet. |
|
850 |
coll removeAll:#(4 5 6 7 8). |
|
851 |
coll |
|
852 |
" |
|
853 |
||
854 |
"no error raised: |
|
855 |
|coll| |
|
856 |
||
857 |
coll := #(1 2 3 4 5 6) asSet. |
|
858 |
coll removeAllFoundIn:#(4 5 6 7 8). |
|
859 |
coll |
|
860 |
" |
|
861 |
||
862 |
||
348 | 863 |
! |
864 |
||
5265 | 865 |
removeAllFoundIn:aCollection |
5267 | 866 |
"Remove each element of aCollection, which is present in the receiver |
867 |
from the receiver. |
|
868 |
No error is raised, if some element-to-remove is not in the receiver. |
|
869 |
(see also: #removeAll:, which does raise an error)." |
|
4980 | 870 |
|
871 |
aCollection do:[:each | self remove:each ifAbsent:[]]. |
|
5265 | 872 |
^ aCollection |
5268 | 873 |
|
874 |
" |
|
875 |
|coll| |
|
876 |
||
877 |
coll := #(1 2 3 4 5 6) asSet. |
|
878 |
coll removeAllFoundIn:#(4 5 6 7 8). |
|
879 |
coll |
|
880 |
" |
|
881 |
||
882 |
"raises an error: |
|
883 |
|coll| |
|
884 |
||
885 |
coll := #(1 2 3 4 5 6) asSet. |
|
886 |
coll removeAll:#(4 5 6 7 8). |
|
887 |
coll |
|
888 |
" |
|
889 |
||
4980 | 890 |
! |
891 |
||
5265 | 892 |
removeAllSuchThat:aBlock |
4980 | 893 |
"Apply the condition to each element and remove it if the condition is true. |
5265 | 894 |
Return a collection of removed elements. |
5267 | 895 |
First elements-to-remove are collected, then removed in one operation." |
4980 | 896 |
|
5267 | 897 |
|removedElements| |
4980 | 898 |
|
5267 | 899 |
removedElements := OrderedCollection new. |
900 |
self do:[:element | |
|
4980 | 901 |
(aBlock value:element) ifTrue: [ |
5267 | 902 |
removedElements add:element |
4980 | 903 |
] |
904 |
]. |
|
5267 | 905 |
self removeAll:removedElements. |
906 |
^ removedElements |
|
907 |
||
908 |
" |
|
909 |
|coll| |
|
910 |
||
911 |
coll := #(1 2 3 4 5 6 7 8 9 10) asOrderedCollection. |
|
912 |
coll removeAllSuchThat:[:el | el even]. |
|
913 |
coll |
|
914 |
" |
|
915 |
" |
|
916 |
|coll| |
|
917 |
||
918 |
coll := #(1 2 3 4 5 6 7 8 9 10) asSet. |
|
919 |
coll removeAllSuchThat:[:el | el even]. |
|
920 |
coll |
|
921 |
" |
|
922 |
||
4980 | 923 |
! |
924 |
||
348 | 925 |
removeFirst |
926 |
"remove the first element from the receiver. |
|
927 |
Return the removed element." |
|
928 |
||
1561
1f64a9b522c2
at least a suboptimal #removeFirst: can be provided by Collection
Claus Gittinger <cg@exept.de>
parents:
1422
diff
changeset
|
929 |
self do:[:element | |
1f64a9b522c2
at least a suboptimal #removeFirst: can be provided by Collection
Claus Gittinger <cg@exept.de>
parents:
1422
diff
changeset
|
930 |
self remove:element. |
1f64a9b522c2
at least a suboptimal #removeFirst: can be provided by Collection
Claus Gittinger <cg@exept.de>
parents:
1422
diff
changeset
|
931 |
^ element. |
1f64a9b522c2
at least a suboptimal #removeFirst: can be provided by Collection
Claus Gittinger <cg@exept.de>
parents:
1422
diff
changeset
|
932 |
]. |
1f64a9b522c2
at least a suboptimal #removeFirst: can be provided by Collection
Claus Gittinger <cg@exept.de>
parents:
1422
diff
changeset
|
933 |
^ self emptyCollectionError |
1f64a9b522c2
at least a suboptimal #removeFirst: can be provided by Collection
Claus Gittinger <cg@exept.de>
parents:
1422
diff
changeset
|
934 |
|
1f64a9b522c2
at least a suboptimal #removeFirst: can be provided by Collection
Claus Gittinger <cg@exept.de>
parents:
1422
diff
changeset
|
935 |
" |
1f64a9b522c2
at least a suboptimal #removeFirst: can be provided by Collection
Claus Gittinger <cg@exept.de>
parents:
1422
diff
changeset
|
936 |
(Set with:3 with:2 with:1) removeFirst |
1f64a9b522c2
at least a suboptimal #removeFirst: can be provided by Collection
Claus Gittinger <cg@exept.de>
parents:
1422
diff
changeset
|
937 |
" |
1f64a9b522c2
at least a suboptimal #removeFirst: can be provided by Collection
Claus Gittinger <cg@exept.de>
parents:
1422
diff
changeset
|
938 |
|
1f64a9b522c2
at least a suboptimal #removeFirst: can be provided by Collection
Claus Gittinger <cg@exept.de>
parents:
1422
diff
changeset
|
939 |
"Modified: 28.6.1996 / 18:55:33 / cg" |
348 | 940 |
! |
941 |
||
942 |
removeFirst:n |
|
943 |
"remove the first n elements from the receiver. |
|
5265 | 944 |
Return a collection of removed elements. |
360 | 945 |
Notice: for some collections (those not tuned for |
5265 | 946 |
resizing themself) this may be very slow." |
348 | 947 |
|
948 |
|ret| |
|
949 |
||
950 |
self size < n ifTrue:[ |
|
5265 | 951 |
^ self notEnoughElementsError |
348 | 952 |
]. |
953 |
ret := Array new:n. |
|
954 |
1 to:n do:[:i | |
|
5265 | 955 |
ret at:i put:(self removeFirst). |
348 | 956 |
]. |
957 |
^ ret |
|
958 |
! |
|
959 |
||
2351 | 960 |
removeIdentical:anObject |
961 |
"search for the first element, which is identical to anObject; |
|
962 |
if found, remove and return it. |
|
963 |
If not found, report a 'value not found'-error. |
|
964 |
Uses identity compare (==) to search for the occurrence." |
|
965 |
||
966 |
^ self removeIdentical:anObject ifAbsent:[self errorValueNotFound:anObject] |
|
967 |
||
968 |
"Modified: 12.4.1996 / 13:33:30 / cg" |
|
969 |
"Created: 1.2.1997 / 11:59:10 / cg" |
|
970 |
! |
|
971 |
||
972 |
removeIdentical:anObject ifAbsent:exceptionBlock |
|
973 |
"search for the first element, which is identical to anObject; |
|
974 |
if found, remove and return it. |
|
975 |
If not found, return the the value of the exceptionBlock. |
|
976 |
Uses identity compare (==) to search for the occurrence. |
|
977 |
An error is raised here - it is to be implemented by a concrete subclass." |
|
978 |
||
979 |
^ self subclassResponsibility |
|
980 |
||
981 |
"Created: 1.2.1997 / 11:56:01 / cg" |
|
982 |
"Modified: 1.2.1997 / 11:56:59 / cg" |
|
983 |
! |
|
984 |
||
602 | 985 |
removeLast |
986 |
"remove the last element from the receiver. |
|
2351 | 987 |
Return the removed element. |
988 |
An error is raised here - it is to be implemented by a concrete subclass." |
|
602 | 989 |
|
990 |
^ self subclassResponsibility |
|
2351 | 991 |
|
992 |
"Modified: 1.2.1997 / 11:57:53 / cg" |
|
602 | 993 |
! |
994 |
||
348 | 995 |
removeLast:n |
11331 | 996 |
"remove the last n elements from the receiver collection. |
5265 | 997 |
Return a collection of removed elements. |
11331 | 998 |
Notice: for some collections this may be very slow |
999 |
(those not tuned for resizing themself)." |
|
348 | 1000 |
|
1001 |
|ret| |
|
1002 |
||
1003 |
self size < n ifTrue:[ |
|
5265 | 1004 |
^ self notEnoughElementsError |
348 | 1005 |
]. |
1006 |
ret := Array new:n. |
|
1007 |
n to:1 by:-1 do:[:i | |
|
5265 | 1008 |
ret at:i put:(self removeLast). |
348 | 1009 |
]. |
1010 |
^ ret |
|
1 | 1011 |
! ! |
1012 |
||
8858 | 1013 |
!Collection methodsFor:'bulk operations'! |
1014 |
||
11468 | 1015 |
product |
8858 | 1016 |
"sum up all elements. |
1017 |
This is implemented using a variant of the normal inject:into: pattern. |
|
1018 |
The reason for this is that it is not known whether we're in the normal |
|
1019 |
number line, i.e. whether 0 is a good initial value for the sum. |
|
1020 |
Consider a collection of measurement objects, 0 would be the unitless |
|
1021 |
value and would not be appropriate to add with the unit-ed objects." |
|
1022 |
||
11468 | 1023 |
self emptyCheck. |
1024 |
^ self |
|
11469 | 1025 |
inject:(self first class unity) |
1026 |
into:[:accum :each | accum * each]. |
|
8858 | 1027 |
|
1028 |
" |
|
11468 | 1029 |
TestCase should:[ Array new sum ] raise:Error. |
1030 |
||
1031 |
TestCase assert:( { 1 } product == 1). |
|
1032 |
TestCase assert:( { 6 } product == 6). |
|
1033 |
TestCase assert:( { 1. 2. 3. 4. 5. } product = 5 factorial ) |
|
1034 |
" |
|
1035 |
! |
|
1036 |
||
1037 |
sum |
|
1038 |
"sum up all elements. |
|
1039 |
This is implemented using a variant of the normal inject:into: pattern. |
|
1040 |
The reason for this is that it is not known whether we are dealing with number |
|
1041 |
(i.e. if 0 is a good initial value for the sum). |
|
1042 |
Consider a collection of measurement or physical objects, 0 would be the unitless |
|
1043 |
value and would not be appropriate to add with the unit-ed objects." |
|
1044 |
||
11489
6009fd847761
sum returns 0 when applied to an empty receiver
Claus Gittinger <cg@exept.de>
parents:
11475
diff
changeset
|
1045 |
self isEmpty ifTrue:[^ 0]. |
6009fd847761
sum returns 0 when applied to an empty receiver
Claus Gittinger <cg@exept.de>
parents:
11475
diff
changeset
|
1046 |
|
11468 | 1047 |
^ self |
1048 |
inject:(self first class zero) |
|
1049 |
into:[:accum :each | accum + each]. |
|
1050 |
||
1051 |
||
1052 |
" |
|
11489
6009fd847761
sum returns 0 when applied to an empty receiver
Claus Gittinger <cg@exept.de>
parents:
11475
diff
changeset
|
1053 |
TestCase assert: ( { } sum = 0 ). |
11468 | 1054 |
TestCase assert: ( { 1 } sum = 1 ). |
1055 |
TestCase assert: ( { 1. 2. 3. 4. } sum = 10 ). |
|
1056 |
TestCase assert: ( (1 to:10) sum = 55 ). |
|
1057 |
TestCase assert: ( 'abc' asByteArray sum = 294 ). |
|
1058 |
TestCase assert: ( { 10 +/- 2. |
|
1059 |
20 +/- 4. |
|
1060 |
100 +/- 10 } sum = (130 +/- 16) ). |
|
1061 |
||
1062 |
TestCase assert: ( { (1 / 9). |
|
1063 |
(1 / 7). |
|
1064 |
} sum = (16 / 63) ). |
|
8858 | 1065 |
" |
1066 |
! ! |
|
1067 |
||
602 | 1068 |
!Collection methodsFor:'converting'! |
1069 |
||
1070 |
asArray |
|
1071 |
"return a new Array with the collections elements" |
|
1072 |
||
1073 |
|anArray |
|
1074 |
index "{ Class: SmallInteger }" | |
|
1 | 1075 |
|
602 | 1076 |
anArray := Array new:(self size). |
1077 |
index := 1. |
|
1078 |
self do:[:each | |
|
6135 | 1079 |
anArray at:index put:each. |
1080 |
index := index + 1 |
|
602 | 1081 |
]. |
1082 |
^ anArray |
|
1 | 1083 |
! |
1084 |
||
602 | 1085 |
asBag |
1086 |
"return a new Bag with the receiver collections elements" |
|
1 | 1087 |
|
602 | 1088 |
^ self addAllTo:(Bag new) |
1 | 1089 |
! |
1090 |
||
602 | 1091 |
asByteArray |
1092 |
"return a new ByteArray with the collections elements |
|
1093 |
(which must convert to integers in the range 0..255)." |
|
1 | 1094 |
|
602 | 1095 |
|aByteArray |
1096 |
index "{ Class: SmallInteger }" | |
|
1 | 1097 |
|
602 | 1098 |
aByteArray := ByteArray new:(self size). |
1099 |
index := 1. |
|
1100 |
self do:[:each | |
|
6135 | 1101 |
aByteArray at:index put:each asInteger. |
1102 |
index := index + 1 |
|
602 | 1103 |
]. |
1104 |
^ aByteArray |
|
1 | 1105 |
! |
1106 |
||
5607
94c690ba0dea
Define #asCollection, #asSequenceableCollection
Stefan Vogel <sv@exept.de>
parents:
5557
diff
changeset
|
1107 |
asCollection |
94c690ba0dea
Define #asCollection, #asSequenceableCollection
Stefan Vogel <sv@exept.de>
parents:
5557
diff
changeset
|
1108 |
"return myself as a Collection. |
94c690ba0dea
Define #asCollection, #asSequenceableCollection
Stefan Vogel <sv@exept.de>
parents:
5557
diff
changeset
|
1109 |
I am already a Collection." |
94c690ba0dea
Define #asCollection, #asSequenceableCollection
Stefan Vogel <sv@exept.de>
parents:
5557
diff
changeset
|
1110 |
|
94c690ba0dea
Define #asCollection, #asSequenceableCollection
Stefan Vogel <sv@exept.de>
parents:
5557
diff
changeset
|
1111 |
^ self |
94c690ba0dea
Define #asCollection, #asSequenceableCollection
Stefan Vogel <sv@exept.de>
parents:
5557
diff
changeset
|
1112 |
|
94c690ba0dea
Define #asCollection, #asSequenceableCollection
Stefan Vogel <sv@exept.de>
parents:
5557
diff
changeset
|
1113 |
|
94c690ba0dea
Define #asCollection, #asSequenceableCollection
Stefan Vogel <sv@exept.de>
parents:
5557
diff
changeset
|
1114 |
! |
94c690ba0dea
Define #asCollection, #asSequenceableCollection
Stefan Vogel <sv@exept.de>
parents:
5557
diff
changeset
|
1115 |
|
7906 | 1116 |
asDictionary |
1117 |
"return a new Dictionary with the receiver collections elements" |
|
1118 |
||
1119 |
|d| |
|
1120 |
||
1121 |
d := Dictionary new. |
|
1122 |
self keysAndValuesDo:[:k :v | d at:k put:v]. |
|
1123 |
^ d |
|
1124 |
||
1125 |
" |
|
1126 |
#(10 20 30 40 50 60 70 80 90) asDictionary |
|
1127 |
" |
|
1128 |
! |
|
1129 |
||
602 | 1130 |
asDoubleArray |
1131 |
"return a new DoubleArray with the collections elements |
|
1132 |
(which must convert to floats)." |
|
1133 |
||
1134 |
|aDoubleArray |
|
1135 |
index "{ Class: SmallInteger }" | |
|
1136 |
||
1137 |
aDoubleArray := DoubleArray new:(self size). |
|
1138 |
index := 1. |
|
1139 |
self do:[:each | |
|
6135 | 1140 |
aDoubleArray at:index put:each asFloat. |
1141 |
index := index + 1 |
|
602 | 1142 |
]. |
1143 |
^ aDoubleArray |
|
1144 |
! |
|
68 | 1145 |
|
11412 | 1146 |
asFlatOrderedCollection |
1147 |
|coll| |
|
1148 |
||
1149 |
coll := OrderedCollection new. |
|
1150 |
self flatDo:[:el | coll add:el]. |
|
1151 |
^ coll. |
|
1152 |
||
1153 |
" |
|
1154 |
#( |
|
1155 |
(1 2 3) |
|
1156 |
4 5 |
|
1157 |
(6) |
|
1158 |
7 |
|
1159 |
(8 (9 10) 11 12 (13 (14 (15) 16)))) asFlatOrderedCollection |
|
1160 |
" |
|
1161 |
! |
|
1162 |
||
602 | 1163 |
asFloatArray |
1164 |
"return a new FloatArray with the collections elements |
|
1165 |
(which must convert to floats)." |
|
1166 |
||
1167 |
|aFloatArray |
|
1168 |
index "{ Class: SmallInteger }" | |
|
1169 |
||
1170 |
aFloatArray := FloatArray new:(self size). |
|
1171 |
index := 1. |
|
1172 |
self do:[:each | |
|
6135 | 1173 |
aFloatArray at:index put:each asFloat. |
1174 |
index := index + 1 |
|
602 | 1175 |
]. |
1176 |
^ aFloatArray |
|
1177 |
! |
|
1178 |
||
1179 |
asIdentitySet |
|
1180 |
"return a new IdentitySet with the receiver collections elements" |
|
1181 |
||
10795
3797cbc3fcb4
Do not add nil elements to a Set in #asSet and #asIdentitySet
Stefan Vogel <sv@exept.de>
parents:
10750
diff
changeset
|
1182 |
^ self addAllNonNilElementsTo:(IdentitySet new:self size) |
68 | 1183 |
! |
1184 |
||
2167 | 1185 |
asList |
1186 |
"return a new List with the receiver collections elements" |
|
1187 |
||
1188 |
^ self addAllTo:(List new:self size) |
|
1189 |
||
1190 |
"Created: 14.2.1997 / 16:25:23 / cg" |
|
1191 |
! |
|
1192 |
||
8050 | 1193 |
asLongIntegerArray |
1194 |
"return a new LongIntegerArray with the collections elements |
|
1195 |
(which must convert to integers in the range 0..16rFFFFFFFF)." |
|
1196 |
||
1197 |
|aLongWordArray |
|
1198 |
index "{ Class: SmallInteger }" | |
|
1199 |
||
1200 |
aLongWordArray := LongIntegerArray new:(self size). |
|
1201 |
index := 1. |
|
1202 |
self do:[:each | |
|
1203 |
aLongWordArray at:index put:each asInteger. |
|
1204 |
index := index + 1 |
|
1205 |
]. |
|
1206 |
^ aLongWordArray |
|
1207 |
! |
|
1208 |
||
602 | 1209 |
asOrderedCollection |
1210 |
"return a new OrderedCollection with the receiver collections elements" |
|
1211 |
||
1212 |
^ self addAllTo:(OrderedCollection new:self size) |
|
1213 |
! |
|
1214 |
||
11469 | 1215 |
asRunArray |
1216 |
"return a new RunArray with the collections elements" |
|
1217 |
||
1218 |
^ RunArray from:self. |
|
1219 |
||
1220 |
"/ |runs lastElement occurrences| |
|
1221 |
"/ |
|
1222 |
"/ runs := RunArray new. |
|
1223 |
"/ occurrences := 0. |
|
1224 |
"/ self do:[:each | |
|
1225 |
"/ each == lastElement ifTrue:[ |
|
1226 |
"/ occurrences := occurrences + 1 |
|
1227 |
"/ ] ifFalse:[ |
|
1228 |
"/ runs add:lastElement withOccurrences:occurrences. |
|
1229 |
"/ occurrences := 1. |
|
1230 |
"/ lastElement := each |
|
1231 |
"/ ]. |
|
1232 |
"/ ]. |
|
1233 |
"/ occurrences ~~ 0 ifTrue:[ |
|
1234 |
"/ runs add:lastElement withOccurrences:occurrences |
|
1235 |
"/ ]. |
|
1236 |
"/ ^ runs |
|
1394 | 1237 |
|
1238 |
" |
|
11469 | 1239 |
#(1 2 3 3 3 4 4 4 4 5 6 7) asRunArray |
1394 | 1240 |
" |
11469 | 1241 |
|
1242 |
"Modified: / 7.4.1998 / 09:50:54 / cg" |
|
1394 | 1243 |
! |
1244 |
||
5607
94c690ba0dea
Define #asCollection, #asSequenceableCollection
Stefan Vogel <sv@exept.de>
parents:
5557
diff
changeset
|
1245 |
asSequenceableCollection |
94c690ba0dea
Define #asCollection, #asSequenceableCollection
Stefan Vogel <sv@exept.de>
parents:
5557
diff
changeset
|
1246 |
"return myself as a SequenceableCollection. |
94c690ba0dea
Define #asCollection, #asSequenceableCollection
Stefan Vogel <sv@exept.de>
parents:
5557
diff
changeset
|
1247 |
I am already a Collection, but not sequenceable." |
94c690ba0dea
Define #asCollection, #asSequenceableCollection
Stefan Vogel <sv@exept.de>
parents:
5557
diff
changeset
|
1248 |
|
94c690ba0dea
Define #asCollection, #asSequenceableCollection
Stefan Vogel <sv@exept.de>
parents:
5557
diff
changeset
|
1249 |
^ self asArray |
94c690ba0dea
Define #asCollection, #asSequenceableCollection
Stefan Vogel <sv@exept.de>
parents:
5557
diff
changeset
|
1250 |
|
94c690ba0dea
Define #asCollection, #asSequenceableCollection
Stefan Vogel <sv@exept.de>
parents:
5557
diff
changeset
|
1251 |
|
94c690ba0dea
Define #asCollection, #asSequenceableCollection
Stefan Vogel <sv@exept.de>
parents:
5557
diff
changeset
|
1252 |
! |
94c690ba0dea
Define #asCollection, #asSequenceableCollection
Stefan Vogel <sv@exept.de>
parents:
5557
diff
changeset
|
1253 |
|
602 | 1254 |
asSet |
1255 |
"return a new Set with the receiver collections elements" |
|
1256 |
||
10795
3797cbc3fcb4
Do not add nil elements to a Set in #asSet and #asIdentitySet
Stefan Vogel <sv@exept.de>
parents:
10750
diff
changeset
|
1257 |
^ self addAllNonNilElementsTo:(Set new:self size) |
602 | 1258 |
! |
1259 |
||
9353 | 1260 |
asSharedCollection |
1261 |
"return a shared collection on the receiver. |
|
1262 |
This implements synchronized access to me." |
|
1263 |
||
1264 |
^ SharedCollection for:self. |
|
1265 |
! |
|
1266 |
||
602 | 1267 |
asSortedCollection |
1268 |
"return a new SortedCollection with the receiver collections elements" |
|
1 | 1269 |
|
602 | 1270 |
|aSortedCollection| |
1271 |
||
1272 |
aSortedCollection := SortedCollection new:self size. |
|
1273 |
aSortedCollection addAll:self. |
|
1274 |
^ aSortedCollection |
|
1275 |
! |
|
1276 |
||
1277 |
asSortedCollection:sortBlock |
|
1278 |
"return a new SortedCollection with the receiver collections elements, |
|
1279 |
using sortBlock for comparing" |
|
1280 |
||
1281 |
|aSortedCollection| |
|
1282 |
||
1283 |
aSortedCollection := SortedCollection sortBlock:sortBlock. |
|
1284 |
aSortedCollection addAll:self. |
|
1285 |
^ aSortedCollection |
|
1 | 1286 |
! |
1287 |
||
2919 | 1288 |
asSortedStrings |
1289 |
"Create & return a SortedCollection that sorts the receivers |
|
1290 |
elements according to the locales collating policy. |
|
1291 |
This is currently not really support - strings are sorted |
|
1292 |
without caring for the locale." |
|
1293 |
||
1294 |
|aSortedCollection| |
|
1295 |
||
1296 |
aSortedCollection := SortedCollection forStrings:self size. |
|
1297 |
aSortedCollection addAll:self. |
|
1298 |
^ aSortedCollection |
|
1299 |
||
1300 |
"Created: 13.9.1997 / 09:36:22 / cg" |
|
1301 |
"Modified: 13.9.1997 / 09:43:00 / cg" |
|
1302 |
! |
|
1303 |
||
1304 |
asSortedStrings:sortBlock |
|
1305 |
"Create & return a SortedCollection that sorts the receivers |
|
3061 | 1306 |
elements using sortBlock and according to the locales collating policy, |
1307 |
which is passed as first arg to sortBlock. |
|
2919 | 1308 |
This is currently not really support - strings are sorted |
1309 |
without caring for the locale." |
|
1310 |
||
1311 |
|aSortedCollection| |
|
1312 |
||
1313 |
aSortedCollection := SortedCollection forStrings:self size. |
|
1314 |
aSortedCollection sortBlock:sortBlock. |
|
1315 |
aSortedCollection addAll:self. |
|
1316 |
^ aSortedCollection |
|
1317 |
||
3061 | 1318 |
"Created: / 13.9.1997 / 09:36:45 / cg" |
1319 |
"Modified: / 27.10.1997 / 16:39:48 / cg" |
|
2919 | 1320 |
! |
1321 |
||
1322 |
asSortedStrings:sortBlock with:aCollationPolicy |
|
1323 |
"Create & return a SortedCollection that sorts the receivers |
|
1324 |
elements using sortBlock and according to the specified locales collating policy. |
|
1325 |
This is currently not really support - strings are sorted |
|
1326 |
without caring for the locale." |
|
1327 |
||
1328 |
|aSortedCollection| |
|
1329 |
||
1330 |
aSortedCollection := SortedCollection forStrings:self size collatedBy:aCollationPolicy. |
|
1331 |
aSortedCollection sortBlock:sortBlock. |
|
1332 |
aSortedCollection addAll:self. |
|
1333 |
^ aSortedCollection |
|
1334 |
||
1335 |
"Created: 13.9.1997 / 09:37:21 / cg" |
|
1336 |
"Modified: 13.9.1997 / 09:45:27 / cg" |
|
1337 |
! |
|
1338 |
||
1339 |
asSortedStringsWith: aCollationPolicy |
|
1340 |
"Create & return a SortedCollection that sorts the receivers |
|
1341 |
elements according to the specified locales collating policy. |
|
1342 |
This is currently not really support - strings are sorted |
|
1343 |
without caring for the locale." |
|
1344 |
||
1345 |
|aSortedCollection| |
|
1346 |
||
1347 |
aSortedCollection := SortedCollection forStrings:self size collatedBy:aCollationPolicy. |
|
1348 |
aSortedCollection addAll:self. |
|
1349 |
^ aSortedCollection |
|
1350 |
||
1351 |
"Created: 13.9.1997 / 09:37:50 / cg" |
|
1352 |
"Modified: 13.9.1997 / 09:44:08 / cg" |
|
1353 |
! |
|
1354 |
||
602 | 1355 |
asString |
1356 |
"return a String with the collections elements |
|
1357 |
(which must convert to characters)" |
|
1358 |
||
1359 |
|aString |
|
1360 |
index "{ Class: SmallInteger }" | |
|
360 | 1361 |
|
602 | 1362 |
aString := String new:(self size). |
1363 |
index := 1. |
|
1364 |
self do:[:each | |
|
6135 | 1365 |
aString at:index put:each asCharacter. |
1366 |
index := index + 1 |
|
360 | 1367 |
]. |
602 | 1368 |
^ aString |
1369 |
! |
|
1370 |
||
1371 |
asStringCollection |
|
1413 | 1372 |
"return a new string collection containing the elements; |
1373 |
these ought to be strings. (i.e. String or Text instances)" |
|
602 | 1374 |
|
1375 |
^ self addAllTo:(StringCollection new) |
|
1413 | 1376 |
|
1377 |
"Modified: 18.5.1996 / 13:54:34 / cg" |
|
360 | 1378 |
! |
1379 |
||
8160 | 1380 |
asUnicodeString |
1381 |
"return a String with the collections elements |
|
1382 |
(which must convert to characters)" |
|
1383 |
||
1384 |
|aString |
|
1385 |
index "{ Class: SmallInteger }" | |
|
1386 |
||
1387 |
aString := UnicodeString uninitializedNew:self size. |
|
1388 |
index := 1. |
|
1389 |
self do:[:each | |
|
1390 |
aString at:index put:each asCharacter. |
|
1391 |
index := index + 1 |
|
1392 |
]. |
|
1393 |
^ aString |
|
1394 |
||
1395 |
" |
|
1396 |
#(16r440 16r443 16r441 16r441 16r43A 16r438 16r439 16r20 16r44F 16r437 16r44B 16r43A) asUnicodeString |
|
1397 |
" |
|
1398 |
! |
|
1399 |
||
7885 | 1400 |
asWordArray |
1401 |
"return a new WordArray with the collections elements |
|
1402 |
(which must convert to integers in the range 0..16rFFFF)." |
|
1403 |
||
1404 |
|aWordArray |
|
1405 |
index "{ Class: SmallInteger }" | |
|
1406 |
||
1407 |
aWordArray := WordArray new:(self size). |
|
1408 |
index := 1. |
|
1409 |
self do:[:each | |
|
1410 |
aWordArray at:index put:each asInteger. |
|
1411 |
index := index + 1 |
|
1412 |
]. |
|
1413 |
^ aWordArray |
|
1414 |
! |
|
1415 |
||
7905 | 1416 |
keysAndValues |
1417 |
|assocs| |
|
1418 |
||
1419 |
assocs := OrderedCollection new. |
|
1420 |
self keysAndValuesDo:[:k :v | |
|
1421 |
assocs add:(k -> v). |
|
1422 |
]. |
|
1423 |
^ assocs. |
|
1424 |
||
1425 |
" |
|
1426 |
#(10 20 30 40 50 60) keysAndValues |
|
1427 |
" |
|
1428 |
! |
|
1429 |
||
9410 | 1430 |
literalArrayEncoding |
1431 |
"encode myself as an array literal, from which a copy of the receiver |
|
1432 |
can be reconstructed with #decodeAsLiteralArray." |
|
1433 |
||
1434 |
|encoding idx| |
|
1435 |
||
1436 |
encoding := Array new:self size + 1. |
|
1437 |
encoding at:1 put:self class name. |
|
1438 |
idx := 2. |
|
1439 |
self do:[:element| |
|
11315
9a6ca3147b69
#showWhereWeCameFrom - show more stack backtrace
Stefan Vogel <sv@exept.de>
parents:
11309
diff
changeset
|
1440 |
encoding at:idx put:element literalArrayEncoding. |
9a6ca3147b69
#showWhereWeCameFrom - show more stack backtrace
Stefan Vogel <sv@exept.de>
parents:
11309
diff
changeset
|
1441 |
idx := idx + 1. |
9410 | 1442 |
]. |
1443 |
^ encoding |
|
1444 |
||
1445 |
||
1446 |
" |
|
1447 |
(Array with:(Color red:50 green:50 blue:50) |
|
11315
9a6ca3147b69
#showWhereWeCameFrom - show more stack backtrace
Stefan Vogel <sv@exept.de>
parents:
11309
diff
changeset
|
1448 |
with:(1 @ 2) |
9410 | 1449 |
) literalArrayEncoding decodeAsLiteralArray |
1450 |
" |
|
1451 |
||
1452 |
"Modified: 22.4.1996 / 13:00:56 / cg" |
|
1453 |
! |
|
1454 |
||
602 | 1455 |
readStream |
1456 |
"return a stream for reading from the receiver" |
|
1457 |
||
1458 |
^ ReadStream on:self |
|
88 | 1459 |
|
1460 |
" |
|
602 | 1461 |
|s| |
1462 |
||
1463 |
s := 'hello world' readStream. |
|
1464 |
s next:5. |
|
1465 |
s next. |
|
1466 |
(s next:5) inspect |
|
88 | 1467 |
" |
1 | 1468 |
! |
1469 |
||
8140
7cc7ac5f29ca
Define #xxxStreamOrNil methods.
Stefan Vogel <sv@exept.de>
parents:
8050
diff
changeset
|
1470 |
readStreamOrNil |
7cc7ac5f29ca
Define #xxxStreamOrNil methods.
Stefan Vogel <sv@exept.de>
parents:
8050
diff
changeset
|
1471 |
"return a stream for reading from the receiver. |
7cc7ac5f29ca
Define #xxxStreamOrNil methods.
Stefan Vogel <sv@exept.de>
parents:
8050
diff
changeset
|
1472 |
This has been defined for protocol compatibility with FileName, |
7cc7ac5f29ca
Define #xxxStreamOrNil methods.
Stefan Vogel <sv@exept.de>
parents:
8050
diff
changeset
|
1473 |
but nil is never returned here" |
7cc7ac5f29ca
Define #xxxStreamOrNil methods.
Stefan Vogel <sv@exept.de>
parents:
8050
diff
changeset
|
1474 |
|
7cc7ac5f29ca
Define #xxxStreamOrNil methods.
Stefan Vogel <sv@exept.de>
parents:
8050
diff
changeset
|
1475 |
^ self readStream |
7cc7ac5f29ca
Define #xxxStreamOrNil methods.
Stefan Vogel <sv@exept.de>
parents:
8050
diff
changeset
|
1476 |
! |
7cc7ac5f29ca
Define #xxxStreamOrNil methods.
Stefan Vogel <sv@exept.de>
parents:
8050
diff
changeset
|
1477 |
|
8631 | 1478 |
readWriteStream |
1479 |
"return a stream for reading and writing from/to the receiver" |
|
1480 |
||
1481 |
^ ReadWriteStream with:self |
|
1482 |
||
1483 |
" |
|
11436 | 1484 |
'hello world' readWriteStream |
1485 |
nextPutAll:'+Foo'; |
|
1486 |
contents |
|
1487 |
||
1488 |
'hello world' readWriteStream |
|
1489 |
setToEnd; |
|
1490 |
nextPutAll:'+Foo'; |
|
1491 |
contents |
|
8631 | 1492 |
" |
1493 |
! |
|
1494 |
||
602 | 1495 |
writeStream |
1496 |
"return a stream for writing onto the receiver" |
|
1497 |
||
1498 |
^ WriteStream on:self |
|
2 | 1499 |
|
602 | 1500 |
" |
1501 |
|s| |
|
1502 |
||
11315
9a6ca3147b69
#showWhereWeCameFrom - show more stack backtrace
Stefan Vogel <sv@exept.de>
parents:
11309
diff
changeset
|
1503 |
s := #() writeStream. |
602 | 1504 |
s nextPut:1. |
1505 |
s nextPut:2. |
|
1506 |
s nextPut:3. |
|
1507 |
s contents inspect |
|
1508 |
" |
|
88 | 1509 |
|
1510 |
" |
|
602 | 1511 |
|s| |
2 | 1512 |
|
602 | 1513 |
s := OrderedCollection new writeStream. |
1514 |
s nextPut:1. |
|
1515 |
s nextPut:2. |
|
1516 |
s nextPut:3. |
|
1517 |
s contents inspect |
|
1518 |
" |
|
8140
7cc7ac5f29ca
Define #xxxStreamOrNil methods.
Stefan Vogel <sv@exept.de>
parents:
8050
diff
changeset
|
1519 |
! |
7cc7ac5f29ca
Define #xxxStreamOrNil methods.
Stefan Vogel <sv@exept.de>
parents:
8050
diff
changeset
|
1520 |
|
7cc7ac5f29ca
Define #xxxStreamOrNil methods.
Stefan Vogel <sv@exept.de>
parents:
8050
diff
changeset
|
1521 |
writeStreamOrNil |
7cc7ac5f29ca
Define #xxxStreamOrNil methods.
Stefan Vogel <sv@exept.de>
parents:
8050
diff
changeset
|
1522 |
"return a stream for writing onto the receiver. |
7cc7ac5f29ca
Define #xxxStreamOrNil methods.
Stefan Vogel <sv@exept.de>
parents:
8050
diff
changeset
|
1523 |
This has been defined for protocol compatibility with FileName, |
7cc7ac5f29ca
Define #xxxStreamOrNil methods.
Stefan Vogel <sv@exept.de>
parents:
8050
diff
changeset
|
1524 |
but nil is never returned here" |
7cc7ac5f29ca
Define #xxxStreamOrNil methods.
Stefan Vogel <sv@exept.de>
parents:
8050
diff
changeset
|
1525 |
|
7cc7ac5f29ca
Define #xxxStreamOrNil methods.
Stefan Vogel <sv@exept.de>
parents:
8050
diff
changeset
|
1526 |
^ self writeStream |
602 | 1527 |
! ! |
1 | 1528 |
|
602 | 1529 |
!Collection methodsFor:'copying'! |
1530 |
||
3381
e1c12fa92fbf
moved #postCopyFrom: from object; redefined copy to send this instead
Claus Gittinger <cg@exept.de>
parents:
3367
diff
changeset
|
1531 |
copy |
e1c12fa92fbf
moved #postCopyFrom: from object; redefined copy to send this instead
Claus Gittinger <cg@exept.de>
parents:
3367
diff
changeset
|
1532 |
"return a copy of the receiver. |
7168
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
1533 |
Redefined to pass the original as argument to the postCopyFrom method." |
3381
e1c12fa92fbf
moved #postCopyFrom: from object; redefined copy to send this instead
Claus Gittinger <cg@exept.de>
parents:
3367
diff
changeset
|
1534 |
|
e1c12fa92fbf
moved #postCopyFrom: from object; redefined copy to send this instead
Claus Gittinger <cg@exept.de>
parents:
3367
diff
changeset
|
1535 |
^ self shallowCopy postCopyFrom:self |
e1c12fa92fbf
moved #postCopyFrom: from object; redefined copy to send this instead
Claus Gittinger <cg@exept.de>
parents:
3367
diff
changeset
|
1536 |
|
e1c12fa92fbf
moved #postCopyFrom: from object; redefined copy to send this instead
Claus Gittinger <cg@exept.de>
parents:
3367
diff
changeset
|
1537 |
"Created: / 19.4.1998 / 20:02:53 / cg" |
e1c12fa92fbf
moved #postCopyFrom: from object; redefined copy to send this instead
Claus Gittinger <cg@exept.de>
parents:
3367
diff
changeset
|
1538 |
! |
e1c12fa92fbf
moved #postCopyFrom: from object; redefined copy to send this instead
Claus Gittinger <cg@exept.de>
parents:
3367
diff
changeset
|
1539 |
|
602 | 1540 |
copyEmpty |
1541 |
"return a copy of the receiver with no elements. |
|
1542 |
This is used by copying and enumeration methods |
|
1543 |
to get a new instance which is similar to the receiver." |
|
1544 |
||
1545 |
^ self species new |
|
1 | 1546 |
! |
1547 |
||
602 | 1548 |
copyEmpty:size |
1549 |
"return a copy of the receiver with no elements, but space for |
|
1550 |
size elements. This is used by copying and enumeration methods |
|
1551 |
to get a new instance which is similar to the receiver. |
|
1552 |
This method should be redefined in subclasses with instance |
|
1553 |
variables, which should be put into the copy too. |
|
1554 |
For example, SortedCollection has to copy its sortBlock into the |
|
1555 |
new collection." |
|
1 | 1556 |
|
602 | 1557 |
^ self species new:size |
360 | 1558 |
! |
1559 |
||
602 | 1560 |
copyEmptyAndGrow:size |
1561 |
"return a copy of the receiver with size nil elements. |
|
1562 |
This is used by copying and enumeration methods |
|
1563 |
to get a new instance which is similar to the receiver." |
|
155 | 1564 |
|
602 | 1565 |
^ (self copyEmpty:size) grow:size |
3381
e1c12fa92fbf
moved #postCopyFrom: from object; redefined copy to send this instead
Claus Gittinger <cg@exept.de>
parents:
3367
diff
changeset
|
1566 |
! |
e1c12fa92fbf
moved #postCopyFrom: from object; redefined copy to send this instead
Claus Gittinger <cg@exept.de>
parents:
3367
diff
changeset
|
1567 |
|
e1c12fa92fbf
moved #postCopyFrom: from object; redefined copy to send this instead
Claus Gittinger <cg@exept.de>
parents:
3367
diff
changeset
|
1568 |
postCopyFrom:original |
e1c12fa92fbf
moved #postCopyFrom: from object; redefined copy to send this instead
Claus Gittinger <cg@exept.de>
parents:
3367
diff
changeset
|
1569 |
"sent to a freshly copied object to give it a chance to adjust things. |
e1c12fa92fbf
moved #postCopyFrom: from object; redefined copy to send this instead
Claus Gittinger <cg@exept.de>
parents:
3367
diff
changeset
|
1570 |
Notice, that for Sets/Dicts etc. a rehash is not needed, since the copy |
e1c12fa92fbf
moved #postCopyFrom: from object; redefined copy to send this instead
Claus Gittinger <cg@exept.de>
parents:
3367
diff
changeset
|
1571 |
will have the same hash key as the receiver (as long as ST/X provides the |
e1c12fa92fbf
moved #postCopyFrom: from object; redefined copy to send this instead
Claus Gittinger <cg@exept.de>
parents:
3367
diff
changeset
|
1572 |
setHash: functionality)." |
e1c12fa92fbf
moved #postCopyFrom: from object; redefined copy to send this instead
Claus Gittinger <cg@exept.de>
parents:
3367
diff
changeset
|
1573 |
|
e1c12fa92fbf
moved #postCopyFrom: from object; redefined copy to send this instead
Claus Gittinger <cg@exept.de>
parents:
3367
diff
changeset
|
1574 |
"for ST-80 compatibility, we try postCopy here ..." |
e1c12fa92fbf
moved #postCopyFrom: from object; redefined copy to send this instead
Claus Gittinger <cg@exept.de>
parents:
3367
diff
changeset
|
1575 |
^ self postCopy |
e1c12fa92fbf
moved #postCopyFrom: from object; redefined copy to send this instead
Claus Gittinger <cg@exept.de>
parents:
3367
diff
changeset
|
1576 |
|
e1c12fa92fbf
moved #postCopyFrom: from object; redefined copy to send this instead
Claus Gittinger <cg@exept.de>
parents:
3367
diff
changeset
|
1577 |
"Created: / 19.4.1998 / 19:59:42 / cg" |
e1c12fa92fbf
moved #postCopyFrom: from object; redefined copy to send this instead
Claus Gittinger <cg@exept.de>
parents:
3367
diff
changeset
|
1578 |
"Modified: / 19.4.1998 / 20:03:57 / cg" |
1 | 1579 |
! ! |
1580 |
||
1581 |
!Collection methodsFor:'enumerating'! |
|
1582 |
||
10795
3797cbc3fcb4
Do not add nil elements to a Set in #asSet and #asIdentitySet
Stefan Vogel <sv@exept.de>
parents:
10750
diff
changeset
|
1583 |
addAllNonNilElementsTo:aCollection |
3797cbc3fcb4
Do not add nil elements to a Set in #asSet and #asIdentitySet
Stefan Vogel <sv@exept.de>
parents:
10750
diff
changeset
|
1584 |
"add all nonNil elements of the receiver to aCollection. |
3797cbc3fcb4
Do not add nil elements to a Set in #asSet and #asIdentitySet
Stefan Vogel <sv@exept.de>
parents:
10750
diff
changeset
|
1585 |
Return aCollection." |
3797cbc3fcb4
Do not add nil elements to a Set in #asSet and #asIdentitySet
Stefan Vogel <sv@exept.de>
parents:
10750
diff
changeset
|
1586 |
|
3797cbc3fcb4
Do not add nil elements to a Set in #asSet and #asIdentitySet
Stefan Vogel <sv@exept.de>
parents:
10750
diff
changeset
|
1587 |
self do:[:each | each notNil ifTrue:[aCollection add:each]]. |
3797cbc3fcb4
Do not add nil elements to a Set in #asSet and #asIdentitySet
Stefan Vogel <sv@exept.de>
parents:
10750
diff
changeset
|
1588 |
^ aCollection |
3797cbc3fcb4
Do not add nil elements to a Set in #asSet and #asIdentitySet
Stefan Vogel <sv@exept.de>
parents:
10750
diff
changeset
|
1589 |
|
3797cbc3fcb4
Do not add nil elements to a Set in #asSet and #asIdentitySet
Stefan Vogel <sv@exept.de>
parents:
10750
diff
changeset
|
1590 |
" |
3797cbc3fcb4
Do not add nil elements to a Set in #asSet and #asIdentitySet
Stefan Vogel <sv@exept.de>
parents:
10750
diff
changeset
|
1591 |
#(1 2 3 4 5 1 2 3 4 5 nil) asOrderedCollection addAllNonNilElementsTo:Set new |
3797cbc3fcb4
Do not add nil elements to a Set in #asSet and #asIdentitySet
Stefan Vogel <sv@exept.de>
parents:
10750
diff
changeset
|
1592 |
" |
3797cbc3fcb4
Do not add nil elements to a Set in #asSet and #asIdentitySet
Stefan Vogel <sv@exept.de>
parents:
10750
diff
changeset
|
1593 |
! |
3797cbc3fcb4
Do not add nil elements to a Set in #asSet and #asIdentitySet
Stefan Vogel <sv@exept.de>
parents:
10750
diff
changeset
|
1594 |
|
602 | 1595 |
addAllTo:aCollection |
1596 |
"add all elements of the receiver, to aCollection. |
|
1597 |
Return aCollection." |
|
77 | 1598 |
|
602 | 1599 |
self do:[:each | aCollection add:each]. |
1600 |
^ aCollection |
|
5254 | 1601 |
|
1602 |
" |
|
1603 |
#(1 2 3 4 5 1 2 3 4 5) addAllTo:Set new |
|
1604 |
" |
|
1605 |
||
1606 |
"Modified: / 11.2.2000 / 11:22:14 / cg" |
|
77 | 1607 |
! |
1608 |
||
1 | 1609 |
collect:aBlock |
1610 |
"for each element in the receiver, evaluate the argument, aBlock |
|
1611 |
and return a new collection with the results" |
|
1612 |
||
1613 |
|newCollection| |
|
1614 |
||
201 | 1615 |
newCollection := self species new. |
1616 |
self do:[:element | newCollection add:(aBlock value:element)]. |
|
1 | 1617 |
^ newCollection |
68 | 1618 |
|
1619 |
" |
|
1620 |
#(1 2 3 4) collect:[:n | n * 2] |
|
1621 |
" |
|
1 | 1622 |
! |
1623 |
||
4890 | 1624 |
collect:collectBlock thenSelect:selectBlock |
1625 |
"combination of collect followed by select. |
|
1626 |
May be redefined by some subclasses for optimal performance |
|
7164 | 1627 |
(avoiding the creation of intermediate garbage)" |
4890 | 1628 |
|
4892 | 1629 |
^ (self collect:collectBlock) select:selectBlock |
1630 |
||
1631 |
" |
|
1632 |
#(1 2 3 4 5 6 7) collect:[:i | i * 2] thenSelect:[:i | i < 10] |
|
1633 |
" |
|
4890 | 1634 |
! |
1635 |
||
6867 | 1636 |
collectAll:aBlock |
1637 |
"for each element in the receiver, evaluate the argument, aBlock. |
|
9315 | 1638 |
The block is supposed to return a collection, whose elements are collected. |
8608 | 1639 |
The species of the returned collection is that of the first returned |
1640 |
partial result." |
|
6867 | 1641 |
|
1642 |
|result| |
|
1643 |
||
1644 |
self do:[:element | |
|
1645 |
|individualResult| |
|
1646 |
||
1647 |
individualResult := aBlock value:element. |
|
1648 |
result isNil ifTrue:[ |
|
1649 |
result := individualResult speciesForAdding new. |
|
1650 |
]. |
|
1651 |
result addAll:individualResult. |
|
1652 |
]. |
|
1653 |
||
8609
daa0d6682135
collectAll: now returns an empty collection if
Claus Gittinger <cg@exept.de>
parents:
8608
diff
changeset
|
1654 |
^ result ? #() |
6867 | 1655 |
|
1656 |
" |
|
1657 |
#(1 2 3 4) collectAll:[:n | Array new:n withAll:n ] |
|
7629 | 1658 |
#(1 2 3 4) collectAll:[:n | Array with:n with:n squared ] |
8607 | 1659 |
#(1 2 3 4) collectAll:[:n | 1 to:n ] |
1660 |
(Array with:Point with:Rectangle) collectAll:[:c | c instVarNames ] |
|
7629 | 1661 |
" |
6867 | 1662 |
! |
1663 |
||
602 | 1664 |
count:aBlock |
1665 |
"count elements, for which aBlock returns true. |
|
1666 |
Return the sum." |
|
1667 |
||
7336 | 1668 |
|count| |
1669 |
||
1670 |
count := 0. |
|
1671 |
self do:[:element | |
|
1672 |
(aBlock value:element) ifTrue:[count := count + 1] |
|
1673 |
]. |
|
1674 |
^ count |
|
77 | 1675 |
|
1676 |
" |
|
602 | 1677 |
#(1 2 3 4 6 8 10) count:[:a | a even] |
7336 | 1678 |
#(1 nil nil nil 2 3 nil 4 5) count:[:a | a isNil] |
77 | 1679 |
" |
1680 |
! |
|
1681 |
||
1 | 1682 |
detect:aBlock |
1683 |
"evaluate the argument, aBlock for each element in the receiver until |
|
1684 |
the block returns true; in this case return the element which caused |
|
1685 |
the true evaluation. |
|
345 | 1686 |
If none of the evaluations returns true, report an error" |
1 | 1687 |
|
1688 |
^ self detect:aBlock ifNone:[self errorNotFound] |
|
68 | 1689 |
|
1690 |
" |
|
1691 |
#(1 2 3 4) detect:[:n | n odd] |
|
1692 |
#(2 4 6 8) detect:[:n | n odd] |
|
1693 |
" |
|
1 | 1694 |
! |
1695 |
||
8750 | 1696 |
detect:generatorBlock forWhich:testBlock ifNone:exceptionBlock |
1697 |
"evaluate generatorBlock for each element in the receiver until |
|
1698 |
testBlock returns true for it; |
|
1699 |
in this case return the value from generatorBlock, which caused the true evaluation. |
|
1700 |
If none of the test evaluations returns true, return the result of the |
|
1701 |
evaluation of the exceptionBlock" |
|
1702 |
||
1703 |
self do:[:each | |
|
1704 |
|val| |
|
1705 |
||
1706 |
val := generatorBlock value:each. |
|
1707 |
(testBlock value:val) ifTrue:[^ val]. |
|
1708 |
]. |
|
1709 |
^ exceptionBlock value |
|
1710 |
||
1711 |
" |
|
1712 |
#(2 3 4) detect:[:n | n squared] forWhich:[:nsq | nsq odd] ifNone:['sorry'] |
|
1713 |
#( 2 4 ) detect:[:n | n squared] forWhich:[:nsq | nsq odd] ifNone:['sorry'] |
|
8751 | 1714 |
|
1715 |
#( 'st' 'c' 'java' ) |
|
1716 |
detect:[:ext | 'Foo' asFilename withSuffix:ext] |
|
1717 |
forWhich:[:fn | fn exists] |
|
1718 |
ifNone:nil |
|
8750 | 1719 |
" |
1720 |
! |
|
1721 |
||
9842 | 1722 |
detect:aOneArgBlock ifNone:exceptionBlock |
1 | 1723 |
"evaluate the argument, aBlock for each element in the receiver until |
1724 |
the block returns true; in this case return the element which caused |
|
1725 |
the true evaluation. |
|
1726 |
If none of the evaluations returns true, return the result of the |
|
1727 |
evaluation of the exceptionBlock" |
|
1728 |
||
1729 |
self do:[:each | |
|
9842 | 1730 |
(aOneArgBlock value:each) ifTrue:[^ each]. |
1 | 1731 |
]. |
1732 |
^ exceptionBlock value |
|
68 | 1733 |
|
1734 |
" |
|
1735 |
#(1 2 3 4) detect:[:n | n odd] ifNone:['sorry'] |
|
1736 |
#(2 4 6 8) detect:[:n | n odd] ifNone:['sorry'] |
|
1737 |
" |
|
9842 | 1738 |
|
1739 |
"Modified: / 13-09-2006 / 11:17:42 / cg" |
|
1 | 1740 |
! |
1741 |
||
421 | 1742 |
detectLast:aBlock |
1743 |
"evaluate the argument, aBlock for each element in the receiver until |
|
1744 |
the block returns true; in this case return the element which caused |
|
1745 |
the true evaluation. The elements are processed in reverse order. |
|
1746 |
If none of the evaluations returns true, report an error" |
|
1747 |
||
1748 |
^ self detectLast:aBlock ifNone:[self errorNotFound] |
|
1749 |
||
1750 |
" |
|
1751 |
#(1 2 3 4) detectLast:[:n | n odd] |
|
1752 |
#(2 4 6 8) detectLast:[:n | n odd] |
|
1753 |
" |
|
1754 |
! |
|
1755 |
||
1756 |
detectLast:aBlock ifNone:exceptionBlock |
|
1757 |
"evaluate the argument, aBlock for each element in the receiver until |
|
1758 |
the block returns true; in this case return the element which caused |
|
1759 |
the true evaluation. The elements are processed in reverse order. |
|
1760 |
If none of the evaluations returns true, return the result of the |
|
1761 |
evaluation of the exceptionBlock" |
|
1762 |
||
1763 |
self reverseDo:[:each | |
|
6135 | 1764 |
(aBlock value:each) ifTrue:[^ each]. |
421 | 1765 |
]. |
1766 |
^ exceptionBlock value |
|
1767 |
||
1768 |
" |
|
1769 |
#(1 2 3 4) detectLast:[:n | n odd] ifNone:['sorry'] |
|
1770 |
#(2 4 6 8) detectLast:[:n | n odd] ifNone:['sorry'] |
|
1771 |
" |
|
1772 |
! |
|
1773 |
||
602 | 1774 |
do:aBlock |
1775 |
"evaluate the argument, aBlock for each element" |
|
1776 |
||
1777 |
^ self subclassResponsibility |
|
1778 |
! |
|
1779 |
||
4394 | 1780 |
do:aBlock inBetweenDo:betweenBlock |
1781 |
"evaluate the argument, aBlock for each element. |
|
1782 |
Between elements (i.e. after each except for the last), |
|
1783 |
evaluate betweenBlock. |
|
5254 | 1784 |
This is a utility helper for collection printers |
1785 |
(for example, to print a space between elements)." |
|
4394 | 1786 |
|
8359 | 1787 |
<resource: #obsolete> |
6052
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1788 |
self obsoleteMethodWarning:'use #do:separatedBy:'. |
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1789 |
^ self do:aBlock separatedBy:betweenBlock |
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1790 |
|
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1791 |
" |
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1792 |
#(1 2 3 4) do:[:el | Transcript show:el] |
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1793 |
inBetweenDo:[ Transcript show:'-'] |
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1794 |
|
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1795 |
(Dictionary with:(1->'one') with:(2->'two')) |
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1796 |
do:[:el | Transcript showCR:el printString] |
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1797 |
inBetweenDo:[ Transcript showCR:'----'] |
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1798 |
|
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1799 |
(Dictionary with:(1->'one') with:(2->'two')) |
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1800 |
associations |
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1801 |
do:[:el | Transcript showCR:el printString] |
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1802 |
inBetweenDo:[ Transcript showCR:'----'] |
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1803 |
|
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1804 |
" |
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1805 |
|
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1806 |
"Modified: / 11.2.2000 / 11:23:15 / cg" |
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1807 |
! |
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1808 |
|
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1809 |
do:aBlock separatedBy:betweenBlock |
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1810 |
"evaluate the argument, aBlock for each element. |
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1811 |
Between elements (i.e. after each except for the last), |
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1812 |
evaluate betweenBlock. |
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1813 |
This is a utility helper for collection printers |
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1814 |
(for example, to print a space between elements)." |
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1815 |
|
4394 | 1816 |
|first| |
1817 |
||
1818 |
first := true. |
|
1819 |
self do:[:element | |
|
1820 |
first ifTrue:[ |
|
1821 |
first := false |
|
1822 |
] ifFalse:[ |
|
1823 |
betweenBlock value. |
|
1824 |
]. |
|
1825 |
aBlock value:element |
|
1826 |
]. |
|
1827 |
||
1828 |
" |
|
1829 |
#(1 2 3 4) do:[:el | Transcript show:el] |
|
6052
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1830 |
separatedBy:[ Transcript show:'-'] |
5619 | 1831 |
|
1832 |
(Dictionary with:(1->'one') with:(2->'two')) |
|
1833 |
do:[:el | Transcript showCR:el printString] |
|
6052
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1834 |
separatedBy:[ Transcript showCR:'----'] |
5619 | 1835 |
|
1836 |
(Dictionary with:(1->'one') with:(2->'two')) |
|
1837 |
associations |
|
1838 |
do:[:el | Transcript showCR:el printString] |
|
6052
a7c0dda5e0bc
do:inBetweenDo: -> do:separatedBy: (ANSI)
Claus Gittinger <cg@exept.de>
parents:
6042
diff
changeset
|
1839 |
separatedBy:[ Transcript showCR:'----'] |
5619 | 1840 |
|
4394 | 1841 |
" |
5254 | 1842 |
|
1843 |
"Modified: / 11.2.2000 / 11:23:15 / cg" |
|
4394 | 1844 |
! |
1845 |
||
1212 | 1846 |
doWithExit:aBlock |
1847 |
"evaluate the argument, aBlock for each element. |
|
1848 |
Passes an additional exit object, which can be used to leave |
|
1849 |
the loop early, by sending it a #value: message. |
|
1850 |
Returns nil or the value passed to the exit>>value: message. |
|
1851 |
||
8662 | 1852 |
Notice, that this is different to a return statement in the block, |
1853 |
which returns from the enclosed method, NOT only from the block." |
|
1854 |
||
1855 |
|exit| |
|
1856 |
||
1857 |
exit := [:exitValue | ^exitValue]. |
|
1858 |
self do:[:el | |
|
1859 |
aBlock value:el value:exit |
|
1860 |
]. |
|
1861 |
^ nil |
|
1212 | 1862 |
|
1863 |
"Example: |
|
1864 |
search for the first element which is >= 99; return it. |
|
1865 |
remaining elements are not processed: |
|
1866 |
||
1867 |
#(1 2 3 4 999 5 6 7 8 9) |
|
1868 |
doWithExit:[:element :exit | |
|
1422 | 1869 |
Transcript showCR:element. |
8662 | 1870 |
element >= 99 ifTrue:[exit value:element]] |
1212 | 1871 |
|
1872 |
#(1 2 3 4 5 6 7 8 9) |
|
1873 |
doWithExit:[:element :exit | |
|
1422 | 1874 |
Transcript showCR:element. |
1212 | 1875 |
element >= 99 ifTrue:[exit value:element]] |
1876 |
" |
|
1877 |
||
1878 |
"to demonstrate the difference to returning from the block: |
|
1879 |
this works: |
|
1880 |
||
1881 |
|el| |
|
1882 |
||
1883 |
el := #(1 2 3 4 999 5 6 7 8 9) |
|
1884 |
doWithExit:[:element :exit | |
|
1885 |
element >= 99 ifTrue:[exit value:element]]. |
|
1422 | 1886 |
Transcript showCR:el. |
1212 | 1887 |
|
1888 |
||
1422 | 1889 |
this does NOT work as expected by a newComer ;-) (the showCR is not reached): |
1212 | 1890 |
|
1891 |
|el| |
|
1892 |
||
1893 |
el := #(1 2 3 4 999 5 6 7 8 9) |
|
1894 |
do:[:element | |
|
1895 |
element >= 99 ifTrue:[^ element]]. |
|
1422 | 1896 |
Transcript showCR:el. |
1212 | 1897 |
" |
1898 |
||
1899 |
"Modified: 18.4.1996 / 14:16:59 / cg" |
|
1900 |
! |
|
1901 |
||
11412 | 1902 |
flatDo:aBlock |
1903 |
"for each element of the collection, if its a scalar, evaluate aBlock for it; |
|
1904 |
otherwise, recursively invoke flatDo on the collection." |
|
1905 |
||
1906 |
self do:[:each | |
|
1907 |
(each isNonByteCollection) ifTrue:[ |
|
1908 |
each flatDo:aBlock |
|
1909 |
] ifFalse:[ |
|
1910 |
aBlock value:each |
|
1911 |
]. |
|
1912 |
]. |
|
1913 |
||
1914 |
" |
|
1915 |
#( |
|
1916 |
(1 2 3) |
|
1917 |
4 5 |
|
1918 |
(6) |
|
1919 |
7 |
|
1920 |
(8 (9 10) 11 12 (13 (14 (15) 16)))) flatDo:[:el | Transcript showCR:el] |
|
1921 |
" |
|
1922 |
! |
|
1923 |
||
1 | 1924 |
inject:thisValue into:binaryBlock |
1262 | 1925 |
"starting with thisValue for value, pass this value and each element |
1926 |
to binaryBlock, replacing value with the result returned from the block |
|
1927 |
in the next iteration." |
|
1928 |
||
1 | 1929 |
|nextValue| |
1930 |
||
1931 |
nextValue := thisValue. |
|
1932 |
self do: [:each | nextValue := binaryBlock value:nextValue value:each]. |
|
1933 |
^ nextValue |
|
68 | 1934 |
|
1262 | 1935 |
"sum up the elements of a collection: |
1936 |
||
68 | 1937 |
#(1 2 3 4) inject:0 into:[:accu :element | accu + element] |
1938 |
(1 to:10) inject:0 into:[:accu :element | accu + element] |
|
1262 | 1939 |
|
1940 |
find the minimum: |
|
1941 |
||
1942 |
|coll| |
|
1943 |
coll := #(1 99 -15 20 100). |
|
1944 |
coll inject:(coll first) into:[:minSoFar :element | minSoFar min:element] |
|
68 | 1945 |
" |
1262 | 1946 |
|
1947 |
"Modified: 23.4.1996 / 13:47:06 / cg" |
|
1 | 1948 |
! |
1949 |
||
602 | 1950 |
keysAndValuesDo:aTwoArgBlock |
1951 |
"evaluate the argument, aBlock for every element in the collection, |
|
1952 |
passing both index and element as arguments." |
|
1953 |
||
1954 |
^ self errorNotKeyed |
|
1955 |
! |
|
1956 |
||
1359 | 1957 |
keysAndValuesReverseDo:aTwoArgBlock |
1958 |
"evaluate the argument, aBlock in reverse order for every element in the collection, |
|
1959 |
passing both index and element as arguments." |
|
1960 |
||
1961 |
^ self errorNotKeyed |
|
1962 |
||
1963 |
"Created: 9.5.1996 / 00:58:24 / cg" |
|
1964 |
! |
|
1965 |
||
9076
e7957fd220c8
+keysAndValuesSelect:thenCollect:
Claus Gittinger <cg@exept.de>
parents:
9073
diff
changeset
|
1966 |
keysAndValuesSelect:selectBlockWith2Args thenCollect:collectBlockWith2Args |
e7957fd220c8
+keysAndValuesSelect:thenCollect:
Claus Gittinger <cg@exept.de>
parents:
9073
diff
changeset
|
1967 |
|collected| |
e7957fd220c8
+keysAndValuesSelect:thenCollect:
Claus Gittinger <cg@exept.de>
parents:
9073
diff
changeset
|
1968 |
|
e7957fd220c8
+keysAndValuesSelect:thenCollect:
Claus Gittinger <cg@exept.de>
parents:
9073
diff
changeset
|
1969 |
collected := OrderedCollection new. |
e7957fd220c8
+keysAndValuesSelect:thenCollect:
Claus Gittinger <cg@exept.de>
parents:
9073
diff
changeset
|
1970 |
self keysAndValuesDo:[:eachKey :eachValue | |
e7957fd220c8
+keysAndValuesSelect:thenCollect:
Claus Gittinger <cg@exept.de>
parents:
9073
diff
changeset
|
1971 |
(selectBlockWith2Args value:eachKey value:eachValue) ifTrue:[ |
e7957fd220c8
+keysAndValuesSelect:thenCollect:
Claus Gittinger <cg@exept.de>
parents:
9073
diff
changeset
|
1972 |
collected add:(collectBlockWith2Args value:eachKey value:eachValue) |
e7957fd220c8
+keysAndValuesSelect:thenCollect:
Claus Gittinger <cg@exept.de>
parents:
9073
diff
changeset
|
1973 |
]. |
e7957fd220c8
+keysAndValuesSelect:thenCollect:
Claus Gittinger <cg@exept.de>
parents:
9073
diff
changeset
|
1974 |
]. |
e7957fd220c8
+keysAndValuesSelect:thenCollect:
Claus Gittinger <cg@exept.de>
parents:
9073
diff
changeset
|
1975 |
^ collected |
9077
327b64542a83
+keysAndValuesSelect:thenCollect:
Claus Gittinger <cg@exept.de>
parents:
9076
diff
changeset
|
1976 |
|
327b64542a83
+keysAndValuesSelect:thenCollect:
Claus Gittinger <cg@exept.de>
parents:
9076
diff
changeset
|
1977 |
" |
327b64542a83
+keysAndValuesSelect:thenCollect:
Claus Gittinger <cg@exept.de>
parents:
9076
diff
changeset
|
1978 |
#(10 20 30 40) keysAndValuesSelect:[:idx :val | idx > 2] thenCollect:[:idx :val | idx->val] |
327b64542a83
+keysAndValuesSelect:thenCollect:
Claus Gittinger <cg@exept.de>
parents:
9076
diff
changeset
|
1979 |
" |
9076
e7957fd220c8
+keysAndValuesSelect:thenCollect:
Claus Gittinger <cg@exept.de>
parents:
9073
diff
changeset
|
1980 |
! |
e7957fd220c8
+keysAndValuesSelect:thenCollect:
Claus Gittinger <cg@exept.de>
parents:
9073
diff
changeset
|
1981 |
|
7454 | 1982 |
map:selector |
1983 |
"for lisp fans - similar to collect" |
|
1984 |
||
1985 |
^ self collect:[:eachElement | eachElement perform:selector]. |
|
1986 |
||
1987 |
" |
|
1988 |
#(1 2 3 4) map:#negated |
|
1989 |
" |
|
1990 |
! |
|
1991 |
||
1992 |
map:selector with:arg |
|
1993 |
"for lisp fans - similar to collect" |
|
1994 |
||
1995 |
^ self collect:[:eachElement | eachElement perform:selector with:arg]. |
|
1996 |
||
1997 |
" |
|
1998 |
#(1 2 3 4) map:#+ with:1 |
|
1999 |
" |
|
2000 |
! |
|
2001 |
||
8863 | 2002 |
nonNilElementsDo:aBlock |
2003 |
"evaluate the argument, aBlock for every non-nil element in the collection." |
|
2004 |
||
2005 |
self do:[:each | |
|
2006 |
each notNil ifTrue:[ |
|
2007 |
aBlock value:each. |
|
2008 |
] |
|
2009 |
] |
|
2010 |
! |
|
2011 |
||
10750 | 2012 |
pairsDo:aTwoArgBlock |
2013 |
"evaluate the argument, aTwoArgBlock for every element in the collection, |
|
602 | 2014 |
which is supposed to consist of 2-element collections. |
2015 |
The block is called with 2 arguments for each collection in the receiver." |
|
2016 |
||
2017 |
self do:[:aPair | |
|
10750 | 2018 |
aTwoArgBlock value:(aPair at:1) value:(aPair at:2). |
602 | 2019 |
] |
10750 | 2020 |
|
602 | 2021 |
" |
6555 | 2022 |
#( |
2023 |
(1 one) |
|
2024 |
(2 two) |
|
2025 |
(3 three) |
|
2026 |
(4 four) |
|
2027 |
(5 five) |
|
2028 |
(6 six) |
|
2029 |
) pairsDo: |
|
2030 |
[:num :sym | |
|
2031 |
Transcript show:num; show:' is: '; showCR:sym] |
|
602 | 2032 |
|
2033 |
#( (1 1) (1 2) (1 3) (1 4) (1 5)) |
|
1422 | 2034 |
pairsDo:[:x :y | Transcript showCR:x@y] |
602 | 2035 |
" |
10750 | 2036 |
|
2037 |
"Modified: / 20-10-2007 / 17:17:50 / cg" |
|
602 | 2038 |
! |
2039 |
||
1 | 2040 |
reject:aBlock |
2041 |
"return a new collection with all elements from the receiver, for which |
|
2042 |
the argument aBlock evaluates to false" |
|
2043 |
||
2044 |
^ self select:[:element | (aBlock value:element) == false] |
|
68 | 2045 |
|
2046 |
" |
|
2047 |
#(1 2 3 4) reject:[:e | e odd] |
|
2048 |
(1 to:10) reject:[:e | e even] |
|
2049 |
" |
|
1 | 2050 |
! |
2051 |
||
602 | 2052 |
reverseDo:aBlock |
2053 |
"evaluate the argument, aBlock for each element in reverse order." |
|
2054 |
||
2055 |
"it could be defined in terms of do: - but very inefficient. |
|
2056 |
Better force programmer to define a better version ..." |
|
2057 |
||
2058 |
^ self subclassResponsibility |
|
2059 |
! |
|
2060 |
||
1 | 2061 |
select:aBlock |
2062 |
"return a new collection with all elements from the receiver, for which |
|
5265 | 2063 |
the argument aBlock evaluates to true. |
2064 |
See also: #removeAllFoundIn: and #removeAllSuchThat:" |
|
1 | 2065 |
|
2066 |
|newCollection| |
|
2067 |
||
201 | 2068 |
newCollection := self species new. |
1 | 2069 |
self do:[:each | |
5265 | 2070 |
(aBlock value:each) ifTrue:[newCollection add:each]. |
1 | 2071 |
]. |
2072 |
^ newCollection |
|
68 | 2073 |
|
2074 |
" |
|
2075 |
#(1 2 3 4) select:[:e | e odd] |
|
2076 |
(1 to:10) select:[:e | e even] |
|
2077 |
" |
|
2078 |
! |
|
2079 |
||
2080 |
select:aBlock ifNone:exceptionBlock |
|
2081 |
"try a new collection with all elements from the receiver, for which |
|
2082 |
the argument aBlock evaluates to true. If none of the elements passes |
|
5265 | 2083 |
the check of aBlock, return the result of evaluating exceptionBlock. |
2084 |
See also: #removeAllFoundIn: and #removeAllSuchThat:" |
|
68 | 2085 |
|
2086 |
|newCollection| |
|
2087 |
||
2088 |
newCollection := self select:aBlock. |
|
2089 |
newCollection isEmpty ifTrue:[^ exceptionBlock value]. |
|
2090 |
^ newCollection |
|
2091 |
||
2092 |
" |
|
2093 |
#(1 2 3 4) select:[:e | e > 10] ifNone:['sorry'] |
|
2094 |
" |
|
12 | 2095 |
! |
2096 |
||
4892 | 2097 |
select:selectBlock thenCollect:collectBlock |
2098 |
"combination of select followed by collect. |
|
2099 |
May be redefined by some subclasses for optimal performance |
|
5844 | 2100 |
(avoiding the creation of intermediate garbage)" |
4892 | 2101 |
|
2102 |
^ (self select:selectBlock) collect:collectBlock |
|
2103 |
||
2104 |
" |
|
2105 |
#(1 2 3 4 5 6 7) select:[:i | i even] thenCollect:[:i | i * 2] |
|
2106 |
" |
|
2107 |
! |
|
2108 |
||
6695 | 2109 |
select:selectBlock thenDo:doBlock |
2110 |
"combination of select followed by do |
|
2111 |
Avoids the creation of intermediate garbage" |
|
2112 |
||
2113 |
self do:[:eachElement | |
|
2114 |
(selectBlock value:eachElement) ifTrue:[ |
|
2115 |
doBlock value:eachElement |
|
2116 |
] |
|
2117 |
]. |
|
2118 |
||
2119 |
" |
|
2120 |
#(1 2 3 4 5 6 7) select:[:i | i even] thenDo:[:i | Transcript showCR:i] |
|
2121 |
" |
|
2122 |
! |
|
2123 |
||
362 | 2124 |
triplesDo:aBlock |
2125 |
"evaluate the argument, aBlock for every element in the collection, |
|
2126 |
which is supposed to consist of 3-element collections. |
|
2127 |
The block is called with 3 arguments for each collection in the receiver." |
|
2128 |
||
2129 |
self do:[:aTriple | |
|
2639 | 2130 |
aBlock value:(aTriple at:1) value:(aTriple at:2) value:(aTriple at:3). |
362 | 2131 |
] |
2132 |
" |
|
6555 | 2133 |
#( |
2134 |
(1 one eins) |
|
2135 |
(2 two zwei) |
|
2136 |
(3 three drei) |
|
2137 |
(4 four vier) |
|
2138 |
(5 five #'fuenf') |
|
2139 |
(6 six sechs) |
|
2140 |
) |
|
2141 |
triplesDo:[:num :sym1 :sym2 | |
|
2142 |
Transcript show:num; space; show:sym1; space; showCR:sym2 |
|
2143 |
] |
|
362 | 2144 |
" |
2639 | 2145 |
|
2146 |
"Modified: 10.5.1997 / 14:15:43 / cg" |
|
1 | 2147 |
! |
2148 |
||
602 | 2149 |
with:aCollection collect:aTwoArgBlock |
2150 |
"evaluate the argument, aBlock for successive elements from |
|
2151 |
each the receiver and the argument, aSequenceableCollection; |
|
2152 |
The second argument, aBlock must be a two-argument block, which is |
|
2153 |
evaluated for each element-pair. |
|
2154 |
Collect the results and return a collection containing them. |
|
2155 |
This method fails if neither the receiver nor aCollection is |
|
2156 |
a sequenceable collection (i.e. implements numeric key access)." |
|
260 | 2157 |
|
602 | 2158 |
|index "{ Class: SmallInteger }" |
2159 |
newCollection| |
|
1 | 2160 |
|
6547
86e092527dd1
+#speciesForAdding; better #collect:with: for fixed size collections
Claus Gittinger <cg@exept.de>
parents:
6511
diff
changeset
|
2161 |
newCollection := self speciesForAdding new. |
86e092527dd1
+#speciesForAdding; better #collect:with: for fixed size collections
Claus Gittinger <cg@exept.de>
parents:
6511
diff
changeset
|
2162 |
|
602 | 2163 |
index := 1. |
2164 |
aCollection isSequenceable ifFalse:[ |
|
6135 | 2165 |
self isSequenceable ifFalse:[ |
6547
86e092527dd1
+#speciesForAdding; better #collect:with: for fixed size collections
Claus Gittinger <cg@exept.de>
parents:
6511
diff
changeset
|
2166 |
"/ mhmh - could use two streams here... |
6135 | 2167 |
^ self error:'neither collection is sequenceable'. |
2168 |
]. |
|
2169 |
aCollection do:[:element | |
|
2170 |
newCollection add:(aTwoArgBlock value:(self at:index) |
|
2171 |
value:element). |
|
2172 |
index := index + 1 |
|
2173 |
] |
|
602 | 2174 |
] ifTrue:[ |
6135 | 2175 |
self do:[:element | |
2176 |
newCollection add:(aTwoArgBlock value:element |
|
2177 |
value:(aCollection at:index)). |
|
2178 |
index := index + 1 |
|
2179 |
] |
|
602 | 2180 |
]. |
6547
86e092527dd1
+#speciesForAdding; better #collect:with: for fixed size collections
Claus Gittinger <cg@exept.de>
parents:
6511
diff
changeset
|
2181 |
^ newCollection as:self species |
201 | 2182 |
|
2183 |
" |
|
6547
86e092527dd1
+#speciesForAdding; better #collect:with: for fixed size collections
Claus Gittinger <cg@exept.de>
parents:
6511
diff
changeset
|
2184 |
(1 to:3) with:#(one two three) collect:[:num :sym | (num->sym)] |
602 | 2185 |
#(1 2 3) with:#(10 20 30) collect:[:x :y | (x@y)] |
201 | 2186 |
" |
2 | 2187 |
! |
2188 |
||
602 | 2189 |
with:aCollection do:aTwoArgBlock |
2190 |
"evaluate the argument, aBlock for successive elements from |
|
2191 |
each the receiver and the argument, aSequenceableCollection. |
|
2192 |
The second argument, aBlock must be a two-argument block. |
|
2193 |
This method fails if neither the receiver nor aCollection is |
|
2194 |
a sequenceable collection (i.e. implements numeric key access)." |
|
2195 |
||
2196 |
|index "{ Class: SmallInteger }"| |
|
2 | 2197 |
|
602 | 2198 |
index := 1. |
2199 |
aCollection isSequenceable ifFalse:[ |
|
6135 | 2200 |
self isSequenceable ifFalse:[ |
2201 |
^ self error:'neither collection is sequenceable'. |
|
2202 |
]. |
|
2203 |
aCollection do:[:element | |
|
2204 |
aTwoArgBlock value:(self at:index) value:element. |
|
2205 |
index := index + 1 |
|
2206 |
] |
|
602 | 2207 |
] ifTrue:[ |
6135 | 2208 |
self do:[:element | |
2209 |
aTwoArgBlock value:element value:(aCollection at:index). |
|
2210 |
index := index + 1 |
|
2211 |
] |
|
602 | 2212 |
] |
201 | 2213 |
|
2214 |
" |
|
602 | 2215 |
(1 to:3) with:#(one two three) do:[:num :sym | |
6135 | 2216 |
Transcript showCR:(num->sym) |
602 | 2217 |
] |
2218 |
(1 to:3) with:#(one two three) asSet do:[:num :sym | |
|
6135 | 2219 |
Transcript showCR:(num->sym) |
602 | 2220 |
]. |
2221 |
(1 to:3) asSet with:#(one two three) do:[:num :sym | |
|
6135 | 2222 |
Transcript showCR:(num->sym) |
602 | 2223 |
] |
201 | 2224 |
" |
1 | 2225 |
! ! |
2226 |
||
5874 | 2227 |
!Collection methodsFor:'enumerating-tests'! |
2228 |
||
2229 |
allSatisfy:aBlock |
|
2230 |
"evaluate aBlock for each of the receiver's elements. |
|
2231 |
Return true, if aBlock returns true for all elements, false otherwise |
|
2232 |
(i.e. false if any element fails to satisfy the block-condition). |
|
2233 |
This is an ANSI renomer of #conform:" |
|
2234 |
||
2235 |
^ self conform:aBlock. |
|
2236 |
||
2237 |
" |
|
2238 |
#(1 2 3 4 5) allSatisfy:[:el | el odd] |
|
2239 |
#(2 4 6 8 10) allSatisfy:[:el | el odd] |
|
2240 |
#(2 4 6 8 10) allSatisfy:[:el | el even] |
|
2241 |
" |
|
2242 |
||
2243 |
! |
|
2244 |
||
2245 |
anySatisfy:aBlock |
|
2246 |
"evaluate aBlock for each of the receiver's elements. |
|
2247 |
Return true, if aBlock ever returns true, false otherwise |
|
2248 |
(i.e. if any element satisfies the block-condition). |
|
2249 |
This is an ANSI renomer of #contains:" |
|
2250 |
||
2251 |
^ self contains:aBlock. |
|
2252 |
||
2253 |
" |
|
2254 |
#(1 2 3 4 5) anySatisfy:[:el | el odd] |
|
2255 |
#(2 4 6 8 10) anySatisfy:[:el | el odd] |
|
2256 |
" |
|
2257 |
||
2258 |
! |
|
2259 |
||
9842 | 2260 |
conform:aOneArgBlock |
5874 | 2261 |
"return true, if every element conforms to some condition. |
2262 |
I.e. return false, if aBlock returns false for any element; |
|
2263 |
true otherwise." |
|
2264 |
||
9842 | 2265 |
self do:[:element | |
2266 |
(aOneArgBlock value:element) ifFalse:[^ false] |
|
2267 |
]. |
|
5874 | 2268 |
^ true |
9842 | 2269 |
|
2270 |
" |
|
2271 |
#(1 2 3 4 5) conform:[:el | el even] |
|
2272 |
#(2 4 6 8 10) conform:[:el | el even] |
|
2273 |
" |
|
2274 |
||
2275 |
"Modified: / 13-09-2006 / 11:19:03 / cg" |
|
5874 | 2276 |
! |
2277 |
||
9842 | 2278 |
contains:aOneArgBlock |
2279 |
"evaluate aOneArgBlock for each of the receiver's elements. |
|
5874 | 2280 |
Return true, if aBlock ever returns true, false otherwise." |
2281 |
||
9842 | 2282 |
self do:[:element | |
2283 |
(aOneArgBlock value:element) ifTrue:[^ true] |
|
2284 |
]. |
|
2285 |
^ false |
|
5874 | 2286 |
|
2287 |
" |
|
2288 |
#(1 2 3 4 5) contains:[:el | el odd] |
|
2289 |
#(2 4 6 8 10) contains:[:el | el odd] |
|
2290 |
" |
|
2291 |
||
9842 | 2292 |
"Modified: / 13-09-2006 / 11:18:36 / cg" |
8577 | 2293 |
! |
2294 |
||
2295 |
noneSatisfy:aBlock |
|
2296 |
"evaluate aBlock for each of the receiver's elements. |
|
2297 |
Return true, if aBlock returns false for all elements, false otherwise |
|
2298 |
(i.e. false if any element satisfies the block-condition)." |
|
2299 |
||
9843 | 2300 |
^ (self contains:aBlock) not |
8577 | 2301 |
|
2302 |
" |
|
2303 |
#(1 2 3 4 5) noneSatisfy:[:el | el odd] |
|
2304 |
#(2 4 6 8 10) noneSatisfy:[:el | el odd] |
|
2305 |
#(2 4 6 8 10) noneSatisfy:[:el | el even] |
|
2306 |
" |
|
9843 | 2307 |
|
2308 |
"Modified: / 13-09-2006 / 11:19:57 / cg" |
|
5874 | 2309 |
! ! |
2310 |
||
602 | 2311 |
!Collection methodsFor:'error handling'! |
2312 |
||
2313 |
emptyCheck |
|
2314 |
"check if the receiver is empty; report an error if so" |
|
2315 |
||
11475
f7e1a355df17
changed #emptyCheck (is isEmpty instead of size == 0)
Claus Gittinger <cg@exept.de>
parents:
11470
diff
changeset
|
2316 |
self isEmpty ifTrue:[ |
6135 | 2317 |
^ self emptyCollectionError. |
602 | 2318 |
]. |
2319 |
! |
|
2320 |
||
2321 |
emptyCollectionError |
|
2322 |
"report an error that the operation is not allowed for |
|
2323 |
empty collections" |
|
2324 |
||
2325 |
^ EmptyCollectionSignal raise |
|
2326 |
! |
|
2327 |
||
2328 |
errorInvalidKey:aKey |
|
2329 |
"report an error that the given key was invalid" |
|
2330 |
||
2331 |
^ InvalidKeySignal raiseRequestWith:aKey |
|
2332 |
! |
|
2333 |
||
2334 |
errorNotKeyed |
|
2335 |
"report an error that keyed access methods are not allowed" |
|
2336 |
||
2337 |
^ self error:(self class name, 's do not respond to keyed accessing messages') |
|
2338 |
! |
|
2339 |
||
2340 |
errorValueNotFound:anObject |
|
2341 |
"report an error that an object was not found in the collection" |
|
2342 |
||
6757 | 2343 |
^ ValueNotFoundSignal raiseRequestWith:anObject |
3075 | 2344 |
|
2345 |
"Modified: / 30.10.1997 / 15:52:18 / cg" |
|
602 | 2346 |
! |
2347 |
||
2348 |
notEnoughElementsError |
|
2349 |
"report an error that the operation is not allowed, |
|
2350 |
since not enough elements are in the collection" |
|
2351 |
||
2352 |
^ NotEnoughElementsSignal raise |
|
2353 |
! ! |
|
2354 |
||
2355 |
!Collection methodsFor:'growing'! |
|
2356 |
||
9309
d1fe8655bb97
move #changeCapacityTo: from Set to Collection
Stefan Vogel <sv@exept.de>
parents:
9247
diff
changeset
|
2357 |
changeCapacityTo:newSize |
d1fe8655bb97
move #changeCapacityTo: from Set to Collection
Stefan Vogel <sv@exept.de>
parents:
9247
diff
changeset
|
2358 |
newSize > self capacity ifTrue:[ |
11315
9a6ca3147b69
#showWhereWeCameFrom - show more stack backtrace
Stefan Vogel <sv@exept.de>
parents:
11309
diff
changeset
|
2359 |
self grow:newSize |
9309
d1fe8655bb97
move #changeCapacityTo: from Set to Collection
Stefan Vogel <sv@exept.de>
parents:
9247
diff
changeset
|
2360 |
]. |
d1fe8655bb97
move #changeCapacityTo: from Set to Collection
Stefan Vogel <sv@exept.de>
parents:
9247
diff
changeset
|
2361 |
|
d1fe8655bb97
move #changeCapacityTo: from Set to Collection
Stefan Vogel <sv@exept.de>
parents:
9247
diff
changeset
|
2362 |
"Created: / 30.10.2001 / 17:56:50 / cg" |
d1fe8655bb97
move #changeCapacityTo: from Set to Collection
Stefan Vogel <sv@exept.de>
parents:
9247
diff
changeset
|
2363 |
! |
d1fe8655bb97
move #changeCapacityTo: from Set to Collection
Stefan Vogel <sv@exept.de>
parents:
9247
diff
changeset
|
2364 |
|
602 | 2365 |
grow |
2366 |
"make the receiver larger" |
|
2367 |
||
2368 |
self grow:(self size + self growSize) |
|
2369 |
! |
|
2370 |
||
2371 |
grow:howBig |
|
2372 |
"change the receivers size" |
|
2373 |
||
2374 |
^ self subclassResponsibility |
|
2375 |
! |
|
2376 |
||
2377 |
growSize |
|
2378 |
"return a suitable size increment for growing. |
|
2379 |
The default returned here may be (and is) redefined in subclasses." |
|
2380 |
||
2381 |
^ self size max:2 |
|
2382 |
! ! |
|
2383 |
||
10092
70a5cb4e5df0
code cleanup: use #contains/#conform instead of explicit loop
Claus Gittinger <cg@exept.de>
parents:
9919
diff
changeset
|
2384 |
|
11412 | 2385 |
!Collection methodsFor:'operations'! |
2386 |
||
2387 |
decrementAt:aKey |
|
2388 |
self at:aKey put:(self at:aKey) - 1. |
|
2389 |
! |
|
2390 |
||
2391 |
incrementAt:aKey |
|
2392 |
self at:aKey put:(self at:aKey) + 1. |
|
2393 |
! ! |
|
2394 |
||
1 | 2395 |
!Collection methodsFor:'printing & storing'! |
2396 |
||
602 | 2397 |
displayString |
2398 |
"return a printed representation of the receiver for display in inspectors etc." |
|
2399 |
||
6511
0ca4f36b16ca
signal an error in #anElement if there is none;
Claus Gittinger <cg@exept.de>
parents:
6506
diff
changeset
|
2400 |
|thisString buffer noneYet total limit| |
602 | 2401 |
|
2402 |
thisContext isRecursive ifTrue:[ |
|
3191
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2403 |
'Collection [error]: displayString of self referencing collection.' errorPrintCR. |
1413 | 2404 |
^ '#("recursive")' |
602 | 2405 |
]. |
2406 |
||
8222
f2c454a9a038
replaced '' writeStream by String writeStream
Claus Gittinger <cg@exept.de>
parents:
8182
diff
changeset
|
2407 |
buffer := String writeStream. |
6511
0ca4f36b16ca
signal an error in #anElement if there is none;
Claus Gittinger <cg@exept.de>
parents:
6506
diff
changeset
|
2408 |
buffer nextPutAll:(self displayStringName); nextPutAll:'('. |
602 | 2409 |
noneYet := true. |
2410 |
total := 0. |
|
2411 |
limit := self maxPrint. |
|
2412 |
||
3191
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2413 |
self printElementsDo: [:element | |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2414 |
thisString := element displayString. |
1413 | 2415 |
noneYet ifTrue:[ |
2416 |
noneYet := false. |
|
2417 |
] ifFalse:[ |
|
6511
0ca4f36b16ca
signal an error in #anElement if there is none;
Claus Gittinger <cg@exept.de>
parents:
6506
diff
changeset
|
2418 |
buffer space |
1413 | 2419 |
]. |
6511
0ca4f36b16ca
signal an error in #anElement if there is none;
Claus Gittinger <cg@exept.de>
parents:
6506
diff
changeset
|
2420 |
buffer nextPutAll:thisString. |
1413 | 2421 |
total := total + 1. |
2422 |
(total > limit) ifTrue:[ |
|
6511
0ca4f36b16ca
signal an error in #anElement if there is none;
Claus Gittinger <cg@exept.de>
parents:
6506
diff
changeset
|
2423 |
buffer nextPutAll:'... )'. |
0ca4f36b16ca
signal an error in #anElement if there is none;
Claus Gittinger <cg@exept.de>
parents:
6506
diff
changeset
|
2424 |
^ buffer contents |
1413 | 2425 |
] |
602 | 2426 |
]. |
6511
0ca4f36b16ca
signal an error in #anElement if there is none;
Claus Gittinger <cg@exept.de>
parents:
6506
diff
changeset
|
2427 |
buffer nextPutAll:')'. |
0ca4f36b16ca
signal an error in #anElement if there is none;
Claus Gittinger <cg@exept.de>
parents:
6506
diff
changeset
|
2428 |
^ buffer contents |
1413 | 2429 |
|
3191
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2430 |
" |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2431 |
#(1 2 3 'hello' $a) asOrderedCollection displayString |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2432 |
|
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2433 |
(Dictionary new at:#hello put:'world'; |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2434 |
at:#foo put:'bar'; yourself) displayString |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2435 |
" |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2436 |
|
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2437 |
"Modified: / 20.1.1998 / 14:11:03 / stefan" |
3964
a3129832fe16
allow redefinition of the displayed class name (displayString)
Claus Gittinger <cg@exept.de>
parents:
3767
diff
changeset
|
2438 |
"Modified: / 2.2.1999 / 22:39:44 / cg" |
a3129832fe16
allow redefinition of the displayed class name (displayString)
Claus Gittinger <cg@exept.de>
parents:
3767
diff
changeset
|
2439 |
! |
a3129832fe16
allow redefinition of the displayed class name (displayString)
Claus Gittinger <cg@exept.de>
parents:
3767
diff
changeset
|
2440 |
|
a3129832fe16
allow redefinition of the displayed class name (displayString)
Claus Gittinger <cg@exept.de>
parents:
3767
diff
changeset
|
2441 |
displayStringName |
a3129832fe16
allow redefinition of the displayed class name (displayString)
Claus Gittinger <cg@exept.de>
parents:
3767
diff
changeset
|
2442 |
"redefinable helper for displayString" |
a3129832fe16
allow redefinition of the displayed class name (displayString)
Claus Gittinger <cg@exept.de>
parents:
3767
diff
changeset
|
2443 |
|
a3129832fe16
allow redefinition of the displayed class name (displayString)
Claus Gittinger <cg@exept.de>
parents:
3767
diff
changeset
|
2444 |
^ (self class name) |
a3129832fe16
allow redefinition of the displayed class name (displayString)
Claus Gittinger <cg@exept.de>
parents:
3767
diff
changeset
|
2445 |
|
a3129832fe16
allow redefinition of the displayed class name (displayString)
Claus Gittinger <cg@exept.de>
parents:
3767
diff
changeset
|
2446 |
"Created: / 2.2.1999 / 22:39:33 / cg" |
3191
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2447 |
! |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2448 |
|
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2449 |
maxPrint |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2450 |
"the print-limit; printOn: will try to not produce more output |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2451 |
than the limit defined here." |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2452 |
|
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2453 |
^ 5000 |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2454 |
! |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2455 |
|
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2456 |
printElementsDo:aBlock |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2457 |
"perform aBlock (1 arg) for all elements. |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2458 |
Used in #printOn:. |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2459 |
Subclasses (e.g. Dictionary) may redefine this." |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2460 |
|
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2461 |
^ self do:aBlock |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2462 |
|
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2463 |
"Created: / 20.1.1998 / 14:11:02 / stefan" |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2464 |
! |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2465 |
|
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2466 |
printOn:aStream |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2467 |
"append a user readable representation of the receiver to aStream. |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2468 |
The text appended is not meant to be read back for reconstruction of |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2469 |
the receiver. Also, this method limits the size of generated string. |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2470 |
" |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2471 |
|
3402 | 2472 |
|limit firstOne s| |
3191
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2473 |
|
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2474 |
thisContext isRecursive ifTrue:[ |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2475 |
'Collection [error]: printOn: of self referencing collection.' errorPrintCR. |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2476 |
aStream nextPutAll:'#("recursive")'. |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2477 |
^ self |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2478 |
]. |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2479 |
|
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2480 |
aStream nextPutAll:self class name. |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2481 |
aStream nextPut:$(. |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2482 |
firstOne := true. |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2483 |
|
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2484 |
" |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2485 |
if aStream is not positionable, create an temporary positionable stream |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2486 |
(needed for limit calculation) |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2487 |
" |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2488 |
aStream isPositionable ifTrue:[ |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2489 |
s := aStream. |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2490 |
] ifFalse:[ |
7685
535a69a7cd69
String new -> uninitializedNew: / basicNew:
Claus Gittinger <cg@exept.de>
parents:
7629
diff
changeset
|
2491 |
s := WriteStream on:(String uninitializedNew:50). |
3191
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2492 |
]. |
7054
685d359f9847
code rewritten to be independent of stream zero-base
Claus Gittinger <cg@exept.de>
parents:
7011
diff
changeset
|
2493 |
limit := s position1Based + self maxPrint. |
3191
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2494 |
|
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2495 |
self printElementsDo:[:element | |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2496 |
firstOne ifFalse:[ |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2497 |
s space |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2498 |
] ifTrue:[ |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2499 |
firstOne := false |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2500 |
]. |
7054
685d359f9847
code rewritten to be independent of stream zero-base
Claus Gittinger <cg@exept.de>
parents:
7011
diff
changeset
|
2501 |
(s position1Based >= limit) ifTrue:[ |
3191
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2502 |
s ~~ aStream ifTrue:[ |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2503 |
aStream nextPutAll:(s contents). |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2504 |
]. |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2505 |
aStream nextPutAll:'...etc...)'. |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2506 |
^ self |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2507 |
] ifFalse:[ |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2508 |
element printOn:s. |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2509 |
]. |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2510 |
]. |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2511 |
s ~~ aStream ifTrue:[ |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2512 |
aStream nextPutAll:(s contents). |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2513 |
]. |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2514 |
aStream nextPut:$) |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2515 |
|
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2516 |
" |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2517 |
#(1 2 3 'hello' $a) printOn:Transcript |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2518 |
(Array new:100000) printOn:Transcript |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2519 |
(Array new:100000) printOn:Stdout |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2520 |
(Array new:100000) printString size |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2521 |
(Dictionary new at:#hello put:'world'; |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2522 |
at:#foo put:'bar'; yourself) printOn:Transcript |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2523 |
" |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2524 |
" |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2525 |
|a| |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2526 |
a := Array new:3. |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2527 |
a at:2 put:a. |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2528 |
a printOn:Transcript |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2529 |
" |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2530 |
|
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2531 |
"Modified: / 28.1.1997 / 00:39:17 / cg" |
390764c0d7b3
Make #printOn: more general (and optimal).
Stefan Vogel <sv@exept.de>
parents:
3124
diff
changeset
|
2532 |
"Modified: / 20.1.1998 / 14:11:03 / stefan" |
602 | 2533 |
! |
2534 |
||
1 | 2535 |
storeOn:aStream |
88 | 2536 |
"output a printed representation onto the argument, aStream. |
2537 |
The text can be re-read to reconstruct (a copy of) the receiver. |
|
2538 |
Recursive (i.e. cyclic) collections cannot be stored correctly |
|
2539 |
(use storeBinaryOn: to handle those)." |
|
1 | 2540 |
|
5254 | 2541 |
|notEmpty| |
1 | 2542 |
|
44 | 2543 |
thisContext isRecursive ifTrue:[ |
5498 | 2544 |
Object recursiveStoreStringSignal raiseRequestWith:self. |
2289 | 2545 |
'Collection [error]: storeOn: of self referencing collection.' errorPrintCR. |
1413 | 2546 |
aStream nextPutAll:'#recursive'. |
2547 |
^ self |
|
44 | 2548 |
]. |
2549 |
||
2550 |
aStream nextPutAll:'('. |
|
1 | 2551 |
aStream nextPutAll:(self class name). |
44 | 2552 |
aStream nextPutAll:' new'. |
5254 | 2553 |
notEmpty := false. |
1 | 2554 |
self do:[:element | |
1413 | 2555 |
aStream nextPutAll:' add:'. |
2556 |
element storeOn:aStream. |
|
2557 |
aStream nextPutAll:';'. |
|
5254 | 2558 |
notEmpty := true |
1 | 2559 |
]. |
5254 | 2560 |
notEmpty ifTrue:[aStream nextPutAll:' yourself']. |
1 | 2561 |
aStream nextPut:$) |
44 | 2562 |
|
88 | 2563 |
" |
2564 |
OrderedCollection new storeOn:Transcript |
|
2565 |
(1 to:10) storeOn:Transcript |
|
2566 |
(Set new add:1; add:'hello'; yourself) storeOn:Transcript |
|
2567 |
" |
|
293 | 2568 |
" |
2569 |
|s| |
|
2570 |
||
2571 |
s := Set new. |
|
2572 |
s add:1; add:'hello'; add:s. |
|
2573 |
s storeOn:Transcript |
|
2574 |
" |
|
1413 | 2575 |
|
5254 | 2576 |
"Modified: / 11.2.2000 / 11:24:56 / cg" |
1 | 2577 |
! ! |
602 | 2578 |
|
2579 |
!Collection methodsFor:'queries'! |
|
2580 |
||
5359
396b77b6f1d2
added #isSortedCollection, #isSortedBy:
Claus Gittinger <cg@exept.de>
parents:
5268
diff
changeset
|
2581 |
defaultElement |
396b77b6f1d2
added #isSortedCollection, #isSortedBy:
Claus Gittinger <cg@exept.de>
parents:
5268
diff
changeset
|
2582 |
^ nil |
396b77b6f1d2
added #isSortedCollection, #isSortedBy:
Claus Gittinger <cg@exept.de>
parents:
5268
diff
changeset
|
2583 |
! |
396b77b6f1d2
added #isSortedCollection, #isSortedBy:
Claus Gittinger <cg@exept.de>
parents:
5268
diff
changeset
|
2584 |
|
9919
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2585 |
largest:n |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2586 |
"return the n largest elements" |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2587 |
|
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2588 |
|mySize loopAction actionForFirstN actionForRest |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2589 |
nLargest sz_nLargest minInLargest| |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2590 |
|
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2591 |
mySize := self size. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2592 |
n > mySize ifTrue:[ |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2593 |
self notEnoughElementsError |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2594 |
]. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2595 |
|
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2596 |
(n < 50) ifTrue:[ |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2597 |
n == 1 ifTrue:[ ^ Array with:self max ]. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2598 |
n == 2 ifTrue:[ |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2599 |
|l1 l2| |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2600 |
|
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2601 |
loopAction := [:el | l1 := el. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2602 |
loopAction := |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2603 |
[:el | |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2604 |
el > l1 ifTrue:[ |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2605 |
l2 := l1. l1 := el |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2606 |
] ifFalse:[ |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2607 |
l2 := el |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2608 |
]. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2609 |
loopAction := actionForRest |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2610 |
] |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2611 |
]. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2612 |
actionForRest := [:el | |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2613 |
el > l2 ifTrue:[ |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2614 |
el > l1 ifTrue:[ |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2615 |
l2 := l1. l1 := el |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2616 |
] ifFalse:[ |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2617 |
l2 := el |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2618 |
]. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2619 |
]. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2620 |
]. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2621 |
|
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2622 |
self do:[:el | loopAction value:el ]. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2623 |
^ Array with:l2 with:l1 |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2624 |
]. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2625 |
|
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2626 |
nLargest := SortedCollection new:n. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2627 |
sz_nLargest := 0. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2628 |
actionForFirstN := |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2629 |
[:el | |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2630 |
nLargest add:el. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2631 |
sz_nLargest := sz_nLargest + 1. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2632 |
sz_nLargest == n ifTrue:[ |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2633 |
loopAction := actionForRest. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2634 |
minInLargest := nLargest min. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2635 |
]. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2636 |
]. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2637 |
actionForRest := |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2638 |
[:el | |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2639 |
el > minInLargest ifTrue:[ |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2640 |
nLargest removeFirst. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2641 |
nLargest add:el. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2642 |
minInLargest := nLargest min |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2643 |
]. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2644 |
]. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2645 |
|
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2646 |
loopAction := actionForFirstN. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2647 |
self do:[:el | loopAction value:el ]. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2648 |
^ nLargest |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2649 |
]. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2650 |
|
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2651 |
^ self asSortedCollection copyTo:n |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2652 |
|
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2653 |
" |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2654 |
#(10 35 20 45 30 5) largest:1 |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2655 |
#(10 35 20 45 30 5) largest:2 |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2656 |
#(10 35 20 45 30 5) largest:3 |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2657 |
#(10 35 20 45 30 5) largest:5 |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2658 |
#(10 35 20 45 30 5) largest:6 |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2659 |
#(10 35 20 45 30 5) largest:8 |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2660 |
" |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2661 |
|
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2662 |
" |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2663 |
|t1 t2 data| |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2664 |
|
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2665 |
data := (1 to:10000) collect:[:i | Random nextInteger ]. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2666 |
t1 := Time millisecondsToRun:[ |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2667 |
40 timesRepeat:[ |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2668 |
data asSortedCollection at:3 |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2669 |
] |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2670 |
]. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2671 |
t2 := Time millisecondsToRun:[ |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2672 |
40 timesRepeat:[ |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2673 |
data largest:3 |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2674 |
]. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2675 |
]. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2676 |
Transcript show:'asSorted-at -> '; show:t1; showCR:'ms'. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2677 |
Transcript show:'largest -> '; show:t2; showCR:'ms'. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2678 |
" |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2679 |
! |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2680 |
|
602 | 2681 |
longestCommonPrefix |
1246 | 2682 |
"return the longest common prefix of my elements. |
2683 |
Typically used with string collections." |
|
2684 |
||
5532 | 2685 |
^ self longestCommonPrefixIgnoreCase:false |
2686 |
||
2687 |
" |
|
2688 |
#('Array' 'ArrayedCollection' 'ArrayOfFoo') longestCommonPrefix |
|
2689 |
#('Arra' 'ArrayedCollection' 'ArrayOfFoo') longestCommonPrefix |
|
2690 |
#('Arra' 'b' 'c') longestCommonPrefix |
|
2691 |
#( (1 2 3 4) (1 2 3) (1 2 3 7) (1 2 3 9 10 11)) longestCommonPrefix |
|
2692 |
" |
|
2693 |
||
2694 |
"Modified: 2.3.1997 / 00:21:41 / cg" |
|
2695 |
! |
|
2696 |
||
2697 |
longestCommonPrefixIgnoreCase:ignoreCase |
|
6505
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2698 |
"return the longest common prefix of my elements (which must be sequenceableCollections). |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2699 |
Typically used with string collections, |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2700 |
especially with completion of selectors or filenames." |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2701 |
|
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2702 |
|longest| |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2703 |
|
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2704 |
self do:[:eachCollection | |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2705 |
longest isNil ifTrue:[ |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2706 |
longest := eachCollection |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2707 |
] ifFalse:[ |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2708 |
longest := longest commonPrefixWith:eachCollection ignoreCase:ignoreCase |
1246 | 2709 |
] |
602 | 2710 |
]. |
6505
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2711 |
^ longest. |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2712 |
|
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2713 |
"/ |longest try allMatching matchLen| |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2714 |
"/ |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2715 |
"/ " |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2716 |
"/ find the longest common prefix |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2717 |
"/ " |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2718 |
"/ matchLen := 0. |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2719 |
"/ self do:[:aName | |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2720 |
"/ aName size > matchLen ifTrue:[ |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2721 |
"/ matchLen := aName size. |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2722 |
"/ try := aName |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2723 |
"/ ] |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2724 |
"/ ]. |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2725 |
"/ |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2726 |
"/ allMatching := true. |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2727 |
"/ |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2728 |
"/ [true] whileTrue:[ |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2729 |
"/ allMatching := true. |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2730 |
"/ self do:[:aName | |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2731 |
"/ ((ignoreCase not and:[aName startsWith:try]) |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2732 |
"/ or:[ignoreCase and:[aName asLowercase startsWith:try asLowercase]]) ifFalse:[ |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2733 |
"/ allMatching := false |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2734 |
"/ ] |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2735 |
"/ ]. |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2736 |
"/ allMatching ifTrue:[ |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2737 |
"/ ^ try |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2738 |
"/ ]. |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2739 |
"/ matchLen := matchLen - 1. |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2740 |
"/ matchLen == 0 ifTrue:[^ '']. |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2741 |
"/ try := try copyTo:matchLen. |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2742 |
"/ ]. |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2743 |
"/ ^ try |
602 | 2744 |
|
2745 |
" |
|
5532 | 2746 |
#('Array' 'arrayedCollection' 'ARRAYOfFoo') longestCommonPrefixIgnoreCase:true |
2747 |
#('Array' 'arrayedCollection' 'ARRAYOfFoo') longestCommonPrefixIgnoreCase:false |
|
2748 |
#('Array' 'ArayedCollection' 'ARRAYOfFoo') longestCommonPrefixIgnoreCase:false |
|
6505
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2749 |
#('AAA' 'A11' 'AA2') longestCommonPrefixIgnoreCase:false |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2750 |
#('AAA' 'BBB' 'CCC') longestCommonPrefixIgnoreCase:false |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2751 |
" |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2752 |
! |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2753 |
|
6506 | 2754 |
longestCommonSuffix |
2755 |
"return the longest common suffix (tail) of my elements. |
|
2756 |
Typically used with string collections." |
|
2757 |
||
2758 |
^ self longestCommonSuffixIgnoreCase:false |
|
2759 |
! |
|
2760 |
||
6505
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2761 |
longestCommonSuffixIgnoreCase:ignoreCase |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2762 |
"return the longest common suffix (tail) of my elements |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2763 |
(which must be sequenceableCollections)." |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2764 |
|
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2765 |
|longest| |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2766 |
|
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2767 |
self do:[:eachCollection | |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2768 |
longest isNil ifTrue:[ |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2769 |
longest := eachCollection |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2770 |
] ifFalse:[ |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2771 |
longest := longest commonSuffixWith:eachCollection ignoreCase:ignoreCase |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2772 |
] |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2773 |
]. |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2774 |
^ longest. |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2775 |
|
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2776 |
" |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2777 |
#('Array' 'ByteArray' 'BigArray') longestCommonSuffixIgnoreCase:true |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2778 |
#('AAA' 'BBBAA' 'CCCAAAA') longestCommonSuffixIgnoreCase:false |
a86bdc3d8e66
better longestCommonPrefix; added longestCommonSuffix
Claus Gittinger <cg@exept.de>
parents:
6411
diff
changeset
|
2779 |
#('AAA' 'BBB' 'CCC') longestCommonSuffixIgnoreCase:false |
602 | 2780 |
" |
5557 | 2781 |
! |
2782 |
||
7821 | 2783 |
max |
2784 |
"return the maximum value in the receiver collection, |
|
8182
e99d0f95c925
Only use #< for comparisons, since this is the base mechanism.
Stefan Vogel <sv@exept.de>
parents:
8178
diff
changeset
|
2785 |
using #< to compare elements. |
7821 | 2786 |
Raises an error, if the receiver is empty." |
2787 |
||
2788 |
self emptyCheck. |
|
2789 |
||
2790 |
^ self inject:nil |
|
2791 |
into:[:maxSoFar :this | |
|
2792 |
(maxSoFar isNil |
|
8182
e99d0f95c925
Only use #< for comparisons, since this is the base mechanism.
Stefan Vogel <sv@exept.de>
parents:
8178
diff
changeset
|
2793 |
or:[maxSoFar < this]) ifTrue:[this] |
7821 | 2794 |
ifFalse:[maxSoFar]] |
2795 |
||
2796 |
" |
|
2797 |
#(15 1 -9 10 5) max |
|
2798 |
(1 to:15) max |
|
2799 |
(-1 to:-15 by:-1) max |
|
2800 |
(-1 to:-15 by:-4) max |
|
2801 |
(0 to:15 by:4) max |
|
2802 |
" |
|
2803 |
||
2804 |
"Modified: 8.1.1997 / 22:09:37 / cg" |
|
2805 |
! |
|
2806 |
||
2807 |
min |
|
2808 |
"return the minimum value in the receiver collection, |
|
2809 |
using < to compare elements. |
|
2810 |
Raises an error, if the receiver is empty." |
|
2811 |
||
2812 |
self emptyCheck. |
|
2813 |
||
2814 |
^ self inject:nil |
|
2815 |
into:[:minSoFar :this | |
|
2816 |
(minSoFar isNil |
|
2817 |
or:[this < minSoFar]) ifTrue:[this] |
|
2818 |
ifFalse:[minSoFar]] |
|
2819 |
||
2820 |
" |
|
2821 |
#(15 1 -9 10 5) min |
|
2822 |
(1 to:15) min |
|
2823 |
(-1 to:-15 by:-1) min |
|
2824 |
(-1 to:-15 by:-4) min |
|
2825 |
" |
|
2826 |
||
2827 |
"Modified: 8.1.1997 / 22:09:49 / cg" |
|
2828 |
! |
|
2829 |
||
2830 |
minMax |
|
2831 |
"return the minimum and maximum values in the receiver collection |
|
8182
e99d0f95c925
Only use #< for comparisons, since this is the base mechanism.
Stefan Vogel <sv@exept.de>
parents:
8178
diff
changeset
|
2832 |
as a two element array, using #< to compare elements. |
7821 | 2833 |
Raises an error, if the receiver is empty." |
2834 |
||
2835 |
|min max| |
|
2836 |
||
2837 |
self emptyCheck. |
|
2838 |
||
2839 |
min := max := nil. |
|
2840 |
self do:[:each | |
|
2841 |
min isNil ifTrue:[ |
|
2842 |
min := max := each |
|
2843 |
] ifFalse:[ |
|
8182
e99d0f95c925
Only use #< for comparisons, since this is the base mechanism.
Stefan Vogel <sv@exept.de>
parents:
8178
diff
changeset
|
2844 |
max < each ifTrue:[ |
7821 | 2845 |
max := each |
2846 |
] ifFalse:[ |
|
8182
e99d0f95c925
Only use #< for comparisons, since this is the base mechanism.
Stefan Vogel <sv@exept.de>
parents:
8178
diff
changeset
|
2847 |
each < min ifTrue:[ |
7821 | 2848 |
min := each |
2849 |
] |
|
2850 |
] |
|
2851 |
] |
|
2852 |
]. |
|
2853 |
^ Array with:min with:max |
|
2854 |
||
2855 |
" |
|
2856 |
#(15 1 -9 10 5) minMax |
|
2857 |
(1 to:15) minMax |
|
2858 |
(-1 to:-15 by:-1) minMax |
|
2859 |
(-1 to:-15 by:-4) minMax |
|
2860 |
(0 to:15 by:4) minMax |
|
2861 |
" |
|
2862 |
! |
|
2863 |
||
9919
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2864 |
nthLargest:n |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2865 |
"return the n-largest element" |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2866 |
|
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2867 |
^ (self largest:n) first |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2868 |
|
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2869 |
" |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2870 |
#(10 35 20 45 30 5) nthLargest:1 |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2871 |
#(10 35 20 45 30 5) nthLargest:2 |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2872 |
#(10 35 20 45 30 5) nthLargest:3 |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2873 |
#(10 35 20 45 30 5) nthLargest:5 |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2874 |
#(10 35 20 45 30 5) nthLargest:6 |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2875 |
#(10 35 20 45 30 5) nthLargest:8 |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2876 |
" |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2877 |
|
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2878 |
" |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2879 |
|t1 t2 data| |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2880 |
|
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2881 |
data := (1 to:10000) collect:[:i | Random nextInteger ]. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2882 |
t1 := Time millisecondsToRun:[ |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2883 |
40 timesRepeat:[ |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2884 |
data asSortedCollection at:6 |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2885 |
] |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2886 |
]. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2887 |
t2 := Time millisecondsToRun:[ |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2888 |
40 timesRepeat:[ |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2889 |
data nthLargest:6 |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2890 |
]. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2891 |
]. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2892 |
Transcript show:'asSorted-at -> '; show:t1; showCR:'ms'. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2893 |
Transcript show:'nthMost -> '; show:t2; showCR:'ms'. |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2894 |
" |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2895 |
! |
dd9d3f24c6d0
optimized code for n-largest
Claus Gittinger <cg@exept.de>
parents:
9843
diff
changeset
|
2896 |
|
5557 | 2897 |
size |
2898 |
"return the number of elements in the receiver. |
|
2899 |
This is usually redefined in subclasses for more performance." |
|
2900 |
||
2901 |
|count "{ Class: SmallInteger }" | |
|
2902 |
||
2903 |
count := 0. |
|
2904 |
self do:[:element | |
|
6135 | 2905 |
count := count + 1 |
5557 | 2906 |
]. |
2907 |
^ count |
|
6547
86e092527dd1
+#speciesForAdding; better #collect:with: for fixed size collections
Claus Gittinger <cg@exept.de>
parents:
6511
diff
changeset
|
2908 |
! |
86e092527dd1
+#speciesForAdding; better #collect:with: for fixed size collections
Claus Gittinger <cg@exept.de>
parents:
6511
diff
changeset
|
2909 |
|
86e092527dd1
+#speciesForAdding; better #collect:with: for fixed size collections
Claus Gittinger <cg@exept.de>
parents:
6511
diff
changeset
|
2910 |
speciesForAdding |
86e092527dd1
+#speciesForAdding; better #collect:with: for fixed size collections
Claus Gittinger <cg@exept.de>
parents:
6511
diff
changeset
|
2911 |
"like species, but redefined for collections which cannot grow easily. |
86e092527dd1
+#speciesForAdding; better #collect:with: for fixed size collections
Claus Gittinger <cg@exept.de>
parents:
6511
diff
changeset
|
2912 |
Used by functions which create a growing collection (see collect:with:, for example)" |
86e092527dd1
+#speciesForAdding; better #collect:with: for fixed size collections
Claus Gittinger <cg@exept.de>
parents:
6511
diff
changeset
|
2913 |
|
86e092527dd1
+#speciesForAdding; better #collect:with: for fixed size collections
Claus Gittinger <cg@exept.de>
parents:
6511
diff
changeset
|
2914 |
^ self species |
602 | 2915 |
! ! |
2916 |
||
7168
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2917 |
!Collection methodsFor:'set operations'! |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2918 |
|
7169 | 2919 |
\ aCollection |
8606 | 2920 |
"return a new set containing all elements of the receiver, |
2921 |
which are NOT also contained in the aCollection |
|
7168
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2922 |
For large collections you better use a Set for aCollection" |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2923 |
|
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2924 |
|
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2925 |
|newCollection| |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2926 |
|
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2927 |
newCollection := self speciesForAdding new. |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2928 |
self do:[:element | |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2929 |
(aCollection includes:element) ifFalse:[ |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2930 |
newCollection add:element |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2931 |
] |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2932 |
]. |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2933 |
^ newCollection |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2934 |
|
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2935 |
" |
7169 | 2936 |
#(0 1 2 3 4 5 6 7 8 9) \ #(1 2 3) asSet |
2937 |
#(0 1 2 3 4 5 6 7 8 9) \ #(1 2 3) |
|
2938 |
('hello' \ 'l') asString |
|
7168
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2939 |
" |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2940 |
! |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2941 |
|
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2942 |
intersect:aCollection |
8606 | 2943 |
"return a new set containing all elements of the receiver, |
2944 |
which are also contained in the argument collection. |
|
7168
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2945 |
For large collections you better use a Set for self" |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2946 |
|
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2947 |
|newCollection| |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2948 |
|
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2949 |
newCollection := self speciesForAdding new. |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2950 |
aCollection do:[:element | |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2951 |
(self includes:element) ifTrue:[ |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2952 |
newCollection add:element |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2953 |
] |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2954 |
]. |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2955 |
^ newCollection |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2956 |
|
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2957 |
" |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2958 |
#(0 1 2 3 4 5 6 7 8 9) asSet intersect:#(1 2 3 11) |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2959 |
#(0 1 2 3 4 5 6 7 8 9) intersect:#(1 2 3 11) |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2960 |
" |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2961 |
! |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2962 |
|
7169 | 2963 |
union:aCollection |
2964 |
"return a new set containing all elements of the receiver |
|
2965 |
plus those of the aCollection" |
|
2966 |
||
2967 |
|newCollection| |
|
2968 |
||
2969 |
newCollection := self speciesForAdding new. |
|
2970 |
newCollection addAll:self. |
|
2971 |
newCollection addAll:aCollection. |
|
2972 |
^ newCollection |
|
2973 |
||
2974 |
" |
|
2975 |
#(0 2 4 6 8) union:#(1 3 5 7) |
|
11384 | 2976 |
#(0 2 4 6 8) union:#(0 1 3 5 7) |
7169 | 2977 |
" |
2978 |
! |
|
2979 |
||
7168
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2980 |
xor:aCollection |
8606 | 2981 |
"return a new set containing all elements, |
2982 |
which are contained in either the receiver or aCollection, but not in both. |
|
2983 |
||
2984 |
For large collections you better use Sets for both self and aCollection" |
|
7168
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2985 |
|
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2986 |
|newCollection| |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2987 |
|
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2988 |
newCollection := self speciesForAdding new. |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2989 |
aCollection do:[:element | |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2990 |
(self includes:element) ifFalse:[ |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2991 |
newCollection add:element |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2992 |
] |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2993 |
]. |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2994 |
self do:[:element| |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2995 |
(aCollection includes:element) ifFalse:[ |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2996 |
newCollection add:element. |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2997 |
]. |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2998 |
]. |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
2999 |
|
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
3000 |
^ newCollection |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
3001 |
|
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
3002 |
" |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
3003 |
#(0 1 2 3 4 5 6 7 8 9) xor:#(1 2 3 11) |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
3004 |
" |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
3005 |
! ! |
e5400f46d437
Move set operations (#intersect: et al) to Collection
Stefan Vogel <sv@exept.de>
parents:
7164
diff
changeset
|
3006 |
|
10811 | 3007 |
!Collection methodsFor:'sorting & reordering'! |
3008 |
||
3009 |
topologicalSort |
|
3010 |
"Sort a partial ordered collection. |
|
3011 |
The receiver consists of tupels defining a partial order. |
|
3012 |
Use the algorithm by R. E. Tarjan from 1972. |
|
3013 |
Answer an OrderedCollection containing the sorted items" |
|
3014 |
||
3015 |
|graph roots sorted count| |
|
3016 |
||
3017 |
"create a graph. |
|
3018 |
For each node there is an entry containing the number of references |
|
3019 |
and a list of arcs to other nodes" |
|
3020 |
||
3021 |
graph := Dictionary new. |
|
3022 |
||
3023 |
self do:[:eachTuple| |
|
3024 |
|node1| |
|
3025 |
node1 := eachTuple first. |
|
3026 |
graph at:node1 ifAbsentPut:[OrderedCollection with:0]. |
|
3027 |
1 to:(eachTuple size-1) do:[:i| |
|
3028 |
|node2 n2| |
|
3029 |
||
3030 |
node1 := eachTuple at:i. |
|
3031 |
node2 := eachTuple at:i+1. |
|
3032 |
"add the node" |
|
3033 |
graph at:node2 ifAbsentPut:[OrderedCollection with:0]. |
|
3034 |
"add an arc from node1 to node2" |
|
3035 |
(graph at:node1) add:node2. |
|
3036 |
"increment count on incoming arcs of node2" |
|
3037 |
n2 := graph at:node2. |
|
3038 |
n2 at:1 put:(n2 first + 1). |
|
3039 |
]. |
|
3040 |
]. |
|
3041 |
||
3042 |
"now find the root nodes (having zero incoming arcs)" |
|
3043 |
roots := OrderedCollection new. |
|
3044 |
graph keysAndValuesDo:[:eachKey :eachValue| |
|
3045 |
eachValue first = 0 ifTrue:[ |
|
3046 |
roots add:eachKey |
|
3047 |
]. |
|
3048 |
]. |
|
3049 |
||
3050 |
"for each root, out it to the sorted list and remove it from the graph. |
|
3051 |
This may cause referenced nodes to be moved to the root" |
|
3052 |
||
3053 |
sorted := OrderedCollection new:graph size. |
|
3054 |
[roots notEmpty] whileTrue:[ |
|
3055 |
|root eachEntry| |
|
3056 |
||
3057 |
root := roots removeFirst. |
|
3058 |
sorted add:root. |
|
3059 |
eachEntry := graph removeKey:root. |
|
3060 |
2 to:eachEntry size do:[:i| |
|
3061 |
|eachChild eachChildGraph| |
|
3062 |
eachChild := eachEntry at:i. |
|
3063 |
eachChildGraph := graph at:eachChild. |
|
3064 |
count := eachChildGraph at:1. |
|
3065 |
eachChildGraph at:1 put:(count - 1). |
|
3066 |
count = 1 ifTrue:[ |
|
3067 |
roots add:eachChild. |
|
3068 |
]. |
|
3069 |
]. |
|
3070 |
]. |
|
3071 |
||
3072 |
graph notEmpty ifTrue:[ |
|
3073 |
self error:'cycle in ordering' mayProceed:true. |
|
3074 |
]. |
|
3075 |
||
3076 |
^ sorted |
|
3077 |
||
3078 |
" |
|
3079 |
#((1 2) (1 3) (3 2)) topologicalSort |
|
11384 | 3080 |
#((1 2) (1 3) (3 2) (4)) topologicalSort |
3081 |
||
3082 |
with cycles: |
|
10811 | 3083 |
#((1 2) (1 3) (3 1)) topologicalSort |
11384 | 3084 |
#((1 2) (2 3) (3 1)) topologicalSort |
3085 |
#((1 2) (2 3) (3 4) (4 1)) topologicalSort |
|
11385
c3d908e81ec7
changed #topologicalSort - comment
Stefan Vogel <sv@exept.de>
parents:
11384
diff
changeset
|
3086 |
#((1 1) (1 2) (1 3) (3 2) (4)) topologicalSort |
10811 | 3087 |
|
3088 |
(Smalltalk allClasses collect:[:eachClass| |
|
3089 |
Array with:eachClass superclass with:eachClass |
|
3090 |
]) topologicalSort |
|
3091 |
" |
|
3092 |
! ! |
|
3093 |
||
602 | 3094 |
!Collection methodsFor:'testing'! |
3095 |
||
3096 |
capacity |
|
3097 |
"return the number of elements, that the receiver is |
|
3098 |
prepared to take. For most collections, this is the actual |
|
3099 |
size. However, some have more space preallocated to allow |
|
3100 |
for faster adding of elements. |
|
3101 |
Not used by the system; added for ST-80 compatibility." |
|
3102 |
||
3103 |
^ self size |
|
3104 |
! |
|
3105 |
||
3106 |
includes:anElement |
|
3107 |
"return true, if an object equal to the argument, anObject is in the list. |
|
3108 |
This compares using #= (i.e. it does not look for the object itself, |
|
3109 |
instead, one that compares equal). |
|
7807 | 3110 |
See #includesIdentical: when identity is asked for. |
3111 |
This is a *very* slow fallback - many subclasses redefine this for performance." |
|
602 | 3112 |
|
3113 |
self do:[:element | |
|
6135 | 3114 |
(anElement = element) ifTrue:[^ true]. |
602 | 3115 |
]. |
3116 |
^ false |
|
3117 |
! |
|
3118 |
||
3119 |
includesAll:aCollection |
|
3120 |
"return true, if the the receiver includes all elements of |
|
3121 |
the argument, aCollection; false if any is missing. |
|
3122 |
Notice: this method has O-square runtime behavior and may be |
|
10092
70a5cb4e5df0
code cleanup: use #contains/#conform instead of explicit loop
Claus Gittinger <cg@exept.de>
parents:
9919
diff
changeset
|
3123 |
slow for big receivers/args. |
70a5cb4e5df0
code cleanup: use #contains/#conform instead of explicit loop
Claus Gittinger <cg@exept.de>
parents:
9919
diff
changeset
|
3124 |
Think about using a Set, or Dictionary." |
70a5cb4e5df0
code cleanup: use #contains/#conform instead of explicit loop
Claus Gittinger <cg@exept.de>
parents:
9919
diff
changeset
|
3125 |
|
70a5cb4e5df0
code cleanup: use #contains/#conform instead of explicit loop
Claus Gittinger <cg@exept.de>
parents:
9919
diff
changeset
|
3126 |
^ aCollection conform:[:element | (self includes:element)] |
602 | 3127 |
|
3128 |
" |
|
3129 |
#(1 2 3 4 5 6 7) includesAll:#(1 2 3) |
|
3130 |
#('hello' 'there' 'world') includesAll:#('hello' 'world') |
|
3131 |
#(1 2 3 4 5 6 7) includesAll:#(7 8 9) |
|
3132 |
" |
|
10092
70a5cb4e5df0
code cleanup: use #contains/#conform instead of explicit loop
Claus Gittinger <cg@exept.de>
parents:
9919
diff
changeset
|
3133 |
|
70a5cb4e5df0
code cleanup: use #contains/#conform instead of explicit loop
Claus Gittinger <cg@exept.de>
parents:
9919
diff
changeset
|
3134 |
"Modified: / 13-10-2006 / 12:54:50 / cg" |
602 | 3135 |
! |
3136 |
||
3137 |
includesAny:aCollection |
|
3138 |
"return true, if the the receiver includes any elements of |
|
3139 |
the argument, aCollection; false if it includes none. |
|
7807 | 3140 |
Notice: this method has O^2(N) runtime behavior and may be |
3141 |
slow for big receivers/args. |
|
3142 |
Think about using a Set or Dictionary. |
|
3143 |
Some speedup is also possible, by arranging highly |
|
6135 | 3144 |
probable elements towards the beginning of aCollection, |
3145 |
to avoid useless searches." |
|
602 | 3146 |
|
3147 |
aCollection do:[:element | |
|
6135 | 3148 |
(self includes:element) ifTrue:[^ true]. |
602 | 3149 |
]. |
3150 |
^ false |
|
3151 |
||
3152 |
" |
|
3153 |
#(1 2 3 4 5 6 7) includesAny:#(1 2 3) |
|
3154 |
#('hello' 'there' 'world') includesAny:#('hello' 'world') |
|
3155 |
#(1 2 3 4 5 6 7) includesAny:#(7 8 9) |
|
3156 |
#(1 2 3 4 5 6 7) includesAny:#(8 9 10) |
|
3157 |
" |
|
3158 |
! |
|
3159 |
||
10504 | 3160 |
includesAnyIdentical:aCollection |
3161 |
"return true, if the the receiver includes any elements of |
|
3162 |
the argument, aCollection; false if it includes none. |
|
3163 |
Use identity compare for comparing. |
|
3164 |
Notice: this method has O^2(N) runtime behavior and may be |
|
3165 |
slow for big receivers/args. |
|
3166 |
Think about using a Set or Dictionary. |
|
3167 |
Some speedup is also possible, by arranging highly |
|
3168 |
probable elements towards the beginning of aCollection, |
|
3169 |
to avoid useless searches." |
|
3170 |
||
3171 |
aCollection do:[:element | |
|
3172 |
(self includesIdentical:element) ifTrue:[^ true]. |
|
3173 |
]. |
|
3174 |
^ false |
|
3175 |
||
3176 |
" |
|
3177 |
#(1 2 3 4 5 6 7) includesAnyIdentical:#(1 2 3) |
|
3178 |
#('hello' 'there' 'world') includesAnyIdentical:#('hello' 'world') |
|
3179 |
#(1 2 3 4 5 6 7) includesAnyIdentical:#(7 8 9) |
|
3180 |
#(1 2 3 4 5 6 7) includesAnyIdentical:#(8 9 10) |
|
3181 |
" |
|
3182 |
! |
|
3183 |
||
602 | 3184 |
includesIdentical:anElement |
7807 | 3185 |
"return true, if the argument, anObject is in the collection. |
602 | 3186 |
This compares using #== (i.e. object identity). |
7807 | 3187 |
See #includes: when equality is asked for. |
3188 |
This is a *very* slow fallback - many subclasses redefine this for performance." |
|
602 | 3189 |
|
3190 |
self do:[:element | |
|
6135 | 3191 |
(anElement == element) ifTrue:[^ true]. |
602 | 3192 |
]. |
3193 |
^ false |
|
3194 |
! |
|
3195 |
||
9005 | 3196 |
isCollection |
3197 |
"return true, if the receiver is some kind of collection; |
|
3198 |
true is returned here - the method is redefined from Object." |
|
3199 |
||
3200 |
^ true |
|
3201 |
! |
|
3202 |
||
602 | 3203 |
isEmpty |
3204 |
"return true, if the receiver is empty" |
|
3205 |
||
3206 |
^ self size == 0 |
|
3207 |
! |
|
3208 |
||
6181 | 3209 |
isEmptyOrNil |
8833 | 3210 |
"return true if I am nil or an empty collection - true here, if the receivers size is 0, |
3211 |
(from Sqeak)" |
|
6181 | 3212 |
|
3213 |
^ self isEmpty |
|
3214 |
||
3215 |
"Created: / 13.11.2001 / 13:17:12 / cg" |
|
6182 | 3216 |
"Modified: / 13.11.2001 / 13:28:35 / cg" |
6181 | 3217 |
! |
3218 |
||
6068
1d5ca1175f3f
added #isNilOrEmptyCollection
Claus Gittinger <cg@exept.de>
parents:
6052
diff
changeset
|
3219 |
isNilOrEmptyCollection |
8833 | 3220 |
"return true if I am nil or an empty collection - false here. |
3221 |
Obsolete, use isEmptyOrNil." |
|
3222 |
||
3223 |
<resource:#obsolete> |
|
6068
1d5ca1175f3f
added #isNilOrEmptyCollection
Claus Gittinger <cg@exept.de>
parents:
6052
diff
changeset
|
3224 |
|
1d5ca1175f3f
added #isNilOrEmptyCollection
Claus Gittinger <cg@exept.de>
parents:
6052
diff
changeset
|
3225 |
^ self isEmpty |
6182 | 3226 |
|
3227 |
"Modified: / 13.11.2001 / 13:27:55 / cg" |
|
6068
1d5ca1175f3f
added #isNilOrEmptyCollection
Claus Gittinger <cg@exept.de>
parents:
6052
diff
changeset
|
3228 |
! |
1d5ca1175f3f
added #isNilOrEmptyCollection
Claus Gittinger <cg@exept.de>
parents:
6052
diff
changeset
|
3229 |
|
9005 | 3230 |
isNonByteCollection |
3231 |
"return true, if the receiver is some kind of collection, but not a String, ByteArray etc.; |
|
3232 |
true is returned here - the method is redefined from Object." |
|
3233 |
||
3234 |
^ true |
|
3235 |
! |
|
3236 |
||
3237 |
isSorted |
|
3238 |
"return true, if the receiver is sorted. |
|
3239 |
Collections which hold their elements in sorted order |
|
3240 |
should return true. Some algorithms (quicksort) degenerate when |
|
3241 |
operating on sorted collections and can be avoided if this information |
|
3242 |
is given. The default returned here (false) should not hurt. |
|
3243 |
I.e. you should NEVER depend on that in your application." |
|
3244 |
||
3245 |
^ false |
|
3246 |
||
3247 |
"Created: 13.4.1996 / 12:35:55 / cg" |
|
3248 |
! |
|
3249 |
||
3250 |
isSortedBy:aBlock |
|
3251 |
"return true, if my elements are sorted (already) by the given criterion (sortBlock). |
|
3252 |
Collections which hold their elements in sorted order |
|
3253 |
should return true. Some algorithms (quicksort) degenerate when |
|
3254 |
operating on sorted collections and can be avoided if this information |
|
3255 |
is given. The default returned here (false) should not hurt. |
|
3256 |
I.e. you should NEVER depend on that in your application." |
|
3257 |
||
3258 |
^ false |
|
3259 |
||
3260 |
! |
|
3261 |
||
3262 |
isSortedCollection |
|
3263 |
"return true, if the receiver is a sortedCollection." |
|
3264 |
||
3265 |
^ false |
|
3266 |
||
3267 |
! |
|
3268 |
||
9247 | 3269 |
isWeakCollection |
3270 |
"return true, if the receiver has weak references to its elements." |
|
3271 |
||
3272 |
^ false |
|
3273 |
! |
|
3274 |
||
602 | 3275 |
notEmpty |
3276 |
"return true, if the receiver is not empty" |
|
3277 |
||
3278 |
^ self isEmpty not |
|
3279 |
! |
|
3280 |
||
6932 | 3281 |
notEmptyOrNil |
3282 |
"Squeak compatibility: |
|
3283 |
return true if I am neither nil nor an empty collection." |
|
3284 |
||
3285 |
^ self notEmpty |
|
3286 |
! |
|
3287 |
||
602 | 3288 |
occurrencesOf:anElement |
3289 |
"return the number of occurrences of the argument, anElement in |
|
5048 | 3290 |
the receiver. Uses #= (i.e. equality) compare." |
602 | 3291 |
|
3292 |
|count "{ Class: SmallInteger }" | |
|
3293 |
||
3294 |
count := 0. |
|
3295 |
self do:[:element | |
|
5048 | 3296 |
(anElement = element) ifTrue:[ |
3297 |
count := count + 1 |
|
3298 |
]. |
|
602 | 3299 |
]. |
3300 |
^ count |
|
8274 | 3301 |
! |
3302 |
||
3303 |
occurrencesOfAny:aCollectionOfElements |
|
3304 |
"return the number of occurrences of any in aCollectionOfElements in the receiver. |
|
3305 |
Uses #= (i.e. equality) compare. |
|
3306 |
Should be redefined in subclass(es) if ever used heavily." |
|
3307 |
||
3308 |
|count "{ Class: SmallInteger }" | |
|
3309 |
||
3310 |
count := 0. |
|
8275 | 3311 |
aCollectionOfElements do:[:element | |
3312 |
count := count + (self occurrencesOf:element) |
|
8274 | 3313 |
]. |
3314 |
^ count |
|
3315 |
||
3316 |
" |
|
3317 |
#(1 4 6 8 4 1) occurrencesOfAny:#(1 4) |
|
3318 |
#(1 4 6 8 4 1) occurrencesOfAny:#(2 5) |
|
3319 |
'hello world' occurrencesOfAny:'hel' |
|
3320 |
" |
|
602 | 3321 |
! ! |
3322 |
||
4680 | 3323 |
!Collection methodsFor:'tracing'! |
3324 |
||
3325 |
traceInto:aRequestor level:level from:referrer |
|
3326 |
"double dispatch into tracer, passing my type implicitely in the selector" |
|
3327 |
||
3328 |
^ aRequestor traceCollection:self level:level from:referrer |
|
3329 |
||
3330 |
||
3331 |
! ! |
|
3332 |
||
8395
6bd97113cb4c
Generalize visitor pattern and define #visit...:with: -methods instead
Stefan Vogel <sv@exept.de>
parents:
8359
diff
changeset
|
3333 |
!Collection methodsFor:'visiting'! |
6bd97113cb4c
Generalize visitor pattern and define #visit...:with: -methods instead
Stefan Vogel <sv@exept.de>
parents:
8359
diff
changeset
|
3334 |
|
6bd97113cb4c
Generalize visitor pattern and define #visit...:with: -methods instead
Stefan Vogel <sv@exept.de>
parents:
8359
diff
changeset
|
3335 |
acceptVisitor:aVisitor with:aParameter |
6bd97113cb4c
Generalize visitor pattern and define #visit...:with: -methods instead
Stefan Vogel <sv@exept.de>
parents:
8359
diff
changeset
|
3336 |
|
6bd97113cb4c
Generalize visitor pattern and define #visit...:with: -methods instead
Stefan Vogel <sv@exept.de>
parents:
8359
diff
changeset
|
3337 |
^ aVisitor visitCollection:self with:aParameter |
6bd97113cb4c
Generalize visitor pattern and define #visit...:with: -methods instead
Stefan Vogel <sv@exept.de>
parents:
8359
diff
changeset
|
3338 |
! ! |
6bd97113cb4c
Generalize visitor pattern and define #visit...:with: -methods instead
Stefan Vogel <sv@exept.de>
parents:
8359
diff
changeset
|
3339 |
|
2097 | 3340 |
!Collection class methodsFor:'documentation'! |
628 | 3341 |
|
3342 |
version |
|
11489
6009fd847761
sum returns 0 when applied to an empty receiver
Claus Gittinger <cg@exept.de>
parents:
11475
diff
changeset
|
3343 |
^ '$Header: /cvs/stx/stx/libbasic/Collection.st,v 1.217 2009-01-22 20:24:47 cg Exp $' |
628 | 3344 |
! ! |
6867 | 3345 |
|
602 | 3346 |
Collection initialize! |