Smalltalk current createPackage: 'Kernel-Collections' properties: #{}!
Object subclass: #Association
instanceVariableNames: 'key value'
category: 'Kernel-Collections'!
!Association methodsFor: 'accessing'!
key: aKey
key := aKey
!
key
^key
!
value: aValue
value := aValue
!
value
^value
! !
!Association methodsFor: 'comparing'!
= anAssociation
^self class = anAssociation class and: [
self key = anAssociation key and: [
self value = anAssociation value]]
!
storeOn: aStream
"Store in the format (key->value)"
"aStream nextPutAll: '('."
key storeOn: aStream.
aStream nextPutAll: '->'.
value storeOn: aStream.
"aStream nextPutAll: ')'"
! !
!Association class methodsFor: 'instance creation'!
key: aKey value: aValue
^self new
key: aKey;
value: aValue;
yourself
! !
Object subclass: #Stream
instanceVariableNames: 'collection position streamSize'
category: 'Kernel-Collections'!
!Stream methodsFor: 'accessing'!
collection
^collection
!
setCollection: aCollection
collection := aCollection
!
position
^position ifNil: [position := 0]
!
position: anInteger
position := anInteger
!
streamSize
^streamSize
!
setStreamSize: anInteger
streamSize := anInteger
!
contents
^self collection
copyFrom: 1
to: self streamSize
!
size
^self streamSize
! !
!Stream methodsFor: 'actions'!
reset
self position: 0
!
close
!
flush
!
resetContents
self reset.
self setStreamSize: 0
! !
!Stream methodsFor: 'enumerating'!
do: aBlock
[self atEnd] whileFalse: [aBlock value: self next]
! !
!Stream methodsFor: 'positioning'!
setToEnd
self position: self size
!
skip: anInteger
self position: ((self position + anInteger) min: self size max: 0)
! !
!Stream methodsFor: 'reading'!
next
^self atEnd
ifTrue: [nil]
ifFalse: [
self position: self position + 1.
collection at: self position]
!
next: anInteger
| tempCollection |
tempCollection := self collection class new.
anInteger timesRepeat: [
self atEnd ifFalse: [
tempCollection add: self next]].
^tempCollection
!
peek
^self atEnd ifFalse: [
self collection at: self position + 1]
! !
!Stream methodsFor: 'testing'!
atEnd
^self position = self size
!
atStart
^self position = 0
!
isEmpty
^self size = 0
! !
!Stream methodsFor: 'writing'!
nextPut: anObject
self position: self position + 1.
self collection at: self position put: anObject.
self setStreamSize: (self streamSize max: self position)
!
nextPutAll: aCollection
aCollection do: [:each |
self nextPut: each]
! !
!Stream class methodsFor: 'instance creation'!
on: aCollection
^self new
setCollection: aCollection;
setStreamSize: aCollection size;
yourself
! !
Object subclass: #RegularExpression
instanceVariableNames: ''
category: 'Kernel-Collections'!
!RegularExpression methodsFor: 'evaluating'!
compile: aString
<return self.compile(aString)>
!
exec: aString
<return self.exec(aString) || nil>
!
test: aString
<return self.test(aString)>
! !
!RegularExpression class methodsFor: 'instance creation'!
fromString: aString flag: anotherString
<return new RegExp(aString, anotherString)>
!
fromString: aString
^self fromString: aString flag: ''
! !
Object subclass: #Collection
instanceVariableNames: ''
category: 'Kernel-Collections'!
!Collection methodsFor: 'accessing'!
size
self subclassResponsibility
!
readStream
^self stream
!
writeStream
^self stream
!
stream
^self streamClass on: self
!
streamClass
^self class streamClass
! !
!Collection methodsFor: 'adding/removing'!
add: anObject
self subclassResponsibility
!
addAll: aCollection
aCollection do: [:each |
self add: each].
^aCollection
!
remove: anObject
^self remove: anObject ifAbsent: [self errorNotFound]
!
remove: anObject ifAbsent: aBlock
self subclassResponsibility
! !
!Collection methodsFor: 'converting'!
asArray
^Array withAll: self
!
asSet
^Set withAll: self
!
asOrderedCollection
^self asArray
!
asJSON
^self asArray collect: [:each | each asJSON]
! !
!Collection methodsFor: 'copying'!
, aCollection
^self copy
addAll: aCollection;
yourself
!
copyWith: anObject
^self copy add: anObject; yourself
!
copyWithAll: aCollection
^self copy addAll: aCollection; yourself
!
copyWithoutAll: aCollection
"Answer a copy of the receiver that does not contain any elements
equal to those in aCollection."
^ self reject: [:each | aCollection includes: each]
! !
!Collection methodsFor: 'enumerating'!
do: aBlock
<for(var i=0;i<self.length;i++){aBlock(self[i]);}>
!
collect: aBlock
| newCollection |
newCollection := self class new.
self do: [:each |
newCollection add: (aBlock value: each)].
^newCollection
!
detect: aBlock
^self detect: aBlock ifNone: [self errorNotFound]
!
detect: aBlock ifNone: anotherBlock
<
for(var i = 0; i < self.length; i++)
if(aBlock(self[i]))
return self[i];
return anotherBlock();
>
!
do: aBlock separatedBy: anotherBlock
| first |
first := true.
self do: [:each |
first
ifTrue: [first := false]
ifFalse: [anotherBlock value].
aBlock value: each]
!
inject: anObject into: aBlock
| result |
result := anObject.
self do: [:each |
result := aBlock value: result value: each].
^result
!
reject: aBlock
^self select: [:each | (aBlock value: each) = false]
!
select: aBlock
| stream |
stream := self class new writeStream.
self do: [:each |
(aBlock value: each) ifTrue: [
stream nextPut: each]].
^stream contents
! !
!Collection methodsFor: 'error handling'!
errorNotFound
self error: 'Object is not in the collection'
! !
!Collection methodsFor: 'testing'!
includes: anObject
<
var i = self.length;
while (i--) {
if (smalltalk.send(self[i], "__eq", [anObject])) {return true;}
}
return false
>
!
notEmpty
^self isEmpty not
!
isEmpty
^self size = 0
!
ifNotEmpty: aBlock
self notEmpty ifTrue: aBlock.
!
ifEmpty: aBlock
"Evaluate the given block with the receiver as argument, answering its value if the receiver is empty, otherwise answer the receiver. Note that the fact that this method returns its argument in case the receiver is not empty allows one to write expressions like the following ones: self classifyMethodAs:
(myProtocol ifEmpty: ['As yet unclassified'])"
^ self isEmpty
ifTrue: [ aBlock value ]
ifFalse: [ self ]
! !
!Collection class methodsFor: 'accessing'!
streamClass
^Stream
! !
!Collection class methodsFor: 'instance creation'!
with: anObject
^self new
add: anObject;
yourself
!
with: anObject with: anotherObject
^self new
add: anObject;
add: anotherObject;
yourself
!
with: firstObject with: secondObject with: thirdObject
^self new
add: firstObject;
add: secondObject;
add: thirdObject;
yourself
!
withAll: aCollection
^self new
addAll: aCollection;
yourself
!
new: anInteger
^self new
! !
Collection subclass: #SequenceableCollection
instanceVariableNames: ''
category: 'Kernel-Collections'!
!SequenceableCollection methodsFor: 'accessing'!
at: anIndex
^self at: anIndex ifAbsent: [
self errorNotFound]
!
at: anIndex ifAbsent: aBlock
self subclassResponsibility
!
at: anIndex put: anObject
self subclassResponsibility
!
first
^self at: 1
!
fourth
^self at: 4
!
last
^self at: self size
!
second
^self at: 2
!
third
^self at: 3
!
allButFirst
^self copyFrom: 2 to: self size
!
allButLast
^self copyFrom: 1 to: self size - 1
!
indexOf: anObject
^self indexOf: anObject ifAbsent: [self errorNotFound]
!
indexOf: anObject ifAbsent: aBlock
<
for(var i=0;i<self.length;i++){
if(self[i].__eq(anObject)) {return i+1}
}
return aBlock();
>
!
indexOf: anObject startingAt: start ifAbsent: aBlock
<
for(var i=start-1;i<self.length;i++){
if(self[i].__eq(anObject)) {return i+1}
}
return aBlock();
>
!
indexOf: anObject startingAt: start
"Answer the index of the first occurence of anElement after start
within the receiver. If the receiver does not contain anElement,
answer 0."
^self indexOf: anObject startingAt: start ifAbsent: [0]
!
atRandom
^ self at: self size atRandom
!
first: n
"Answer the first n elements of the receiver.
Raise an error if there are not enough elements."
^ self copyFrom: 1 to: n
! !
!SequenceableCollection methodsFor: 'adding'!
removeLast
self remove: self last
!
addLast: anObject
self add: anObject
! !
!SequenceableCollection methodsFor: 'comparing'!
= aCollection
(self class = aCollection class and: [
self size = aCollection size]) ifFalse: [^false].
self withIndexDo: [:each :i |
(aCollection at: i) = each ifFalse: [^false]].
^true
! !
!SequenceableCollection methodsFor: 'converting'!
reversed
self subclassResponsibility
! !
!SequenceableCollection methodsFor: 'copying'!
copyFrom: anIndex to: anotherIndex
| range newCollection |
range := anIndex to: anotherIndex.
newCollection := self class new: range size.
range withIndexDo: [:each :i |
newCollection at: i put: (self at: each)].
^newCollection
!
shallowCopy
| newCollection |
newCollection := self class new: self size.
self withIndexDo: [ :each :index |
newCollection at: index put: each].
^newCollection
!
deepCopy
| newCollection |
newCollection := self class new: self size.
self withIndexDo: [:each :index |
newCollection at: index put: each deepCopy].
^newCollection
! !
!SequenceableCollection methodsFor: 'enumerating'!
withIndexDo: aBlock
<for(var i=0;i<self.length;i++){aBlock(self[i], i+1);}>
! !
!SequenceableCollection methodsFor: 'printing'!
printString
| str |
str := '' writeStream.
str nextPutAll: super printString, ' ('.
self
do: [:each | str nextPutAll: each printString]
separatedBy: [str nextPutAll: ' '].
str nextPutAll: ')'.
^str contents
! !
SequenceableCollection subclass: #CharacterArray
instanceVariableNames: ''
category: 'Kernel-Collections'!
!CharacterArray methodsFor: 'accessing'!
at: anIndex put: anObject
self errorReadOnly
! !
!CharacterArray methodsFor: 'adding'!
add: anObject
self errorReadOnly
!
remove: anObject
self errorReadOnly
! !
!CharacterArray methodsFor: 'converting'!
asString
^self subclassResponsibility
!
asNumber
^self asString asNumber
!
asUppercase
^self class fromString: self asString asUppercase
!
asSymbol
^self subclassResponsibility
!
asLowercase
^self class fromString: self asString asLowercase
! !
!CharacterArray methodsFor: 'copying'!
, aString
^self asString, aString asString
! !
!CharacterArray methodsFor: 'error handling'!
errorReadOnly
self error: 'Object is read-only'
! !
!CharacterArray methodsFor: 'printing'!
printString
^self asString printString
! !
!CharacterArray class methodsFor: 'instance creation'!
fromString: aString
self subclassResponsibility
! !
CharacterArray subclass: #String
instanceVariableNames: ''
category: 'Kernel-Collections'!
!String methodsFor: 'accessing'!
size
<return self.length>
!
at: anIndex ifAbsent: aBlock
<return self[anIndex - 1] || aBlock()>
!
escaped
<return escape(self)>
!
unescaped
<return unescape(self)>
!
asciiValue
<return self.charCodeAt(0);>
! !
!String methodsFor: 'comparing'!
= aString
aString class = self class ifFalse: [^false].
<return String(self) === String(aString)>
!
> aString
<return String(self) >> aString._asString()>
!
< aString
<return String(self) < aString._asString()>
!
>= aString
<return String(self) >>= aString._asString()>
!
<= aString
<return String(self) <= aString._asString()>
! !
!String methodsFor: 'converting'!
asSelector
"If you change this method, change smalltalk.convertSelector too (see js/boot.js file)"
| selector |
selector := '_', self.
selector := selector replace: ':' with: '_'.
selector := selector replace: '[+]' with: '_plus'.
selector := selector replace: '-' with: '_minus'.
selector := selector replace: '[*]' with: '_star'.
selector := selector replace: '[/]' with: '_slash'.
selector := selector replace: '>' with: '_gt'.
selector := selector replace: '<' with: '_lt'.
selector := selector replace: '=' with: '_eq'.
selector := selector replace: ',' with: '_comma'.
selector := selector replace: '[@]' with: '_at'.
^selector
!
asJavascript
<
if(self.search(/^[a-zA-Z0-9_:.$ ]*$/) == -1)
return "unescape(\"" + escape(self) + "\")";
else
return "\"" + self + "\"";
>
!
tokenize: aString
<return self.split(aString)>
!
asString
^self
!
asNumber
<return Number(self)>
!
asLowercase
<return self.toLowerCase()>
!
asUppercase
<return self.toUpperCase()>
!
reversed
<return self.split("").reverse().join("")>
!
asJavaScriptSelector
^(self asSelector replace: '^_' with: '') replace: '_.*' with: ''.
!
asSymbol
^Symbol lookup: self
!
asJSON
^self
! !
!String methodsFor: 'copying'!
, aString
<return self + aString>
!
copyFrom: anIndex to: anotherIndex
<return self.substring(anIndex - 1, anotherIndex)>
!
shallowCopy
^self class fromString: self
!
deepCopy
^self shallowCopy
! !
!String methodsFor: 'printing'!
printString
^'''', self, ''''
!
printNl
<console.log(self)>
! !
!String methodsFor: 'regular expressions'!
replace: aString with: anotherString
^self replaceRegexp: (RegularExpression fromString: aString flag: 'g') with: anotherString
!
replaceRegexp: aRegexp with: aString
<return self.replace(aRegexp, aString)>
!
match: aRegexp
<return self.search(aRegexp) !!= -1>
!
trimLeft: separators
^self replaceRegexp: (RegularExpression fromString: '^[', separators, ']+' flag: 'g') with: ''
!
trimRight: separators
^self replaceRegexp: (RegularExpression fromString: '[', separators, ']+$' flag: 'g') with: ''
!
trimLeft
^self trimLeft: '\s'
!
trimRight
^self trimRight: '\s'
!
trimBoth
^self trimBoth: '\s'
!
trimBoth: separators
^(self trimLeft: separators) trimRight: separators
! !
!String methodsFor: 'split join'!
join: aCollection
^ String
streamContents: [:stream | aCollection
do: [:each | stream nextPutAll: each asString]
separatedBy: [stream nextPutAll: self]]
!
lineIndicesDo: aBlock
"execute aBlock with 3 arguments for each line:
- start index of line
- end index of line without line delimiter
- end index of line including line delimiter(s) CR, LF or CRLF"
| cr lf start sz nextLF nextCR |
start := 1.
sz := self size.
cr := String cr.
nextCR := self indexOf: cr startingAt: 1.
lf := String lf.
nextLF := self indexOf: lf startingAt: 1.
[ start <= sz ] whileTrue: [
(nextLF = 0 and: [ nextCR = 0 ])
ifTrue: [ "No more CR, nor LF, the string is over"
aBlock value: start value: sz value: sz.
^self ].
(nextCR = 0 or: [ 0 < nextLF and: [ nextLF < nextCR ] ])
ifTrue: [ "Found a LF"
aBlock value: start value: nextLF - 1 value: nextLF.
start := 1 + nextLF.
nextLF := self indexOf: lf startingAt: start ]
ifFalse: [ 1 + nextCR = nextLF
ifTrue: [ "Found a CR-LF pair"
aBlock value: start value: nextCR - 1 value: nextLF.
start := 1 + nextLF.
nextCR := self indexOf: cr startingAt: start.
nextLF := self indexOf: lf startingAt: start ]
ifFalse: [ "Found a CR"
aBlock value: start value: nextCR - 1 value: nextCR.
start := 1 + nextCR.
nextCR := self indexOf: cr startingAt: start ]]]
!
linesDo: aBlock
"Execute aBlock with each line in this string. The terminating line
delimiters CR, LF or CRLF pairs are not included in what is passed to aBlock"
self lineIndicesDo: [:start :endWithoutDelimiters :end |
aBlock value: (self copyFrom: start to: endWithoutDelimiters)]
!
lines
"Answer an array of lines composing this receiver without the line ending delimiters."
| lines |
lines := Array new.
self linesDo: [:aLine | lines add: aLine].
^lines
!
lineNumber: anIndex
"Answer a string containing the characters in the given line number."
| lineCount |
lineCount := 0.
self lineIndicesDo: [:start :endWithoutDelimiters :end |
(lineCount := lineCount + 1) = anIndex ifTrue: [^self copyFrom: start to: endWithoutDelimiters]].
^nil
! !
!String methodsFor: 'testing'!
isString
^true
!
includesSubString: subString
< return self.indexOf(subString) !!= -1 >
! !
!String class methodsFor: 'accessing'!
streamClass
^StringStream
!
cr
<return '\r'>
!
lf
<return '\n'>
!
space
<return ' '>
!
tab
<return '\t'>
!
crlf
<return '\r\n'>
! !
!String class methodsFor: 'instance creation'!
fromString: aString
<return new self.fn(aString)>
!
streamContents: blockWithArg
|stream|
stream := (self streamClass on: String new).
blockWithArg value: stream.
^ stream contents
!
value: aUTFCharCode
<return String.fromCharCode(aUTFCharCode);>
! !
CharacterArray subclass: #Symbol
instanceVariableNames: ''
category: 'Kernel-Collections'!
!Symbol methodsFor: 'accessing'!
at: anIndex ifAbsent: aBlock
^self asString at: anIndex ifAbsent: aBlock
!
size
^self asString size
! !
!Symbol methodsFor: 'comparing'!
< aSymbol
^self asString < aSymbol asString
!
<= aSymbol
^self asString <= aSymbol asString
!
>= aSymbol
^self asString >= aSymbol asString
!
= aSymbol
aSymbol class = self class ifFalse: [^false].
^self asString = aSymbol asString
!
> aSymbol
^self asString > aSymbol asString
! !
!Symbol methodsFor: 'converting'!
asString
<return self.value>
!
asSymbol
^self
!
asJavascript
^'smalltalk.symbolFor("', self asString, '")'
!
asSelector
^self asString asSelector
!
asJSON
^self asString asJSON
! !
!Symbol methodsFor: 'copying'!
copyFrom: anIndex to: anotherIndex
^self class fromString: (self asString copyFrom: anIndex to: anotherIndex)
!
deepCopy
^self
!
shallowCopy
^self
! !
!Symbol methodsFor: 'printing'!
printString
^'#', self asString
!
isSymbol
^true
! !
!Symbol class methodsFor: 'instance creation'!
lookup: aString
<return smalltalk.symbolFor(aString);>
!
basicNew
self shouldNotImplement
!
fromString: aString
^self lookup: aString
! !
SequenceableCollection subclass: #Array
instanceVariableNames: ''
category: 'Kernel-Collections'!
!Array methodsFor: 'accessing'!
size
<return self.length>
!
at: anIndex put: anObject
<return self[anIndex - 1] = anObject>
!
at: anIndex ifAbsent: aBlock
<
var value = self[anIndex - 1];
if(value === undefined) {
return aBlock();
} else {
return value;
}
>
! !
!Array methodsFor: 'adding/removing'!
add: anObject
<self.push(anObject); return anObject;>
!
remove: anObject
<
for(var i=0;i<self.length;i++) {
if(self[i] == anObject) {
self.splice(i,1);
break;
}
}
>
!
removeFrom: aNumber to: anotherNumber
<self.splice(aNumber - 1,anotherNumber - 1)>
! !
!Array methodsFor: 'converting'!
asJavascript
^'[', ((self collect: [:each | each asJavascript]) join: ', '), ']'
!
reversed
<return self._copy().reverse()>
! !
!Array methodsFor: 'enumerating'!
join: aString
<return self.join(aString)>
!
sort
^self basicPerform: 'sort'
!
sort: aBlock
<
return self.sort(function(a, b) {
if(aBlock(a,b)) {return -1} else {return 1}
})
>
!
sorted
^self copy sort
!
sorted: aBlock
^self copy sort: aBlock
! !
!Array class methodsFor: 'instance creation'!
new: anInteger
<return new Array(anInteger)>
!
with: anObject
^(self new: 1)
at: 1 put: anObject;
yourself
!
with: anObject with: anObject2
^(self new: 2)
at: 1 put: anObject;
at: 2 put: anObject2;
yourself
!
with: anObject with: anObject2 with: anObject3
^(self new: 3)
at: 1 put: anObject;
at: 2 put: anObject2;
at: 3 put: anObject3;
yourself
!
withAll: aCollection
| instance |
instance := self new: aCollection size.
aCollection withIndexDo: [:each :index |
instance at: index put: each].
^instance
! !
SequenceableCollection subclass: #Array
instanceVariableNames: ''
category: 'Kernel-Collections'!
!Array methodsFor: 'accessing'!
size
<return self.length>
!
at: anIndex put: anObject
<return self[anIndex - 1] = anObject>
!
at: anIndex ifAbsent: aBlock
<
var value = self[anIndex - 1];
if(value === undefined) {
return aBlock();
} else {
return value;
}
>
! !
!Array methodsFor: 'adding/removing'!
add: anObject
<self.push(anObject); return anObject;>
!
remove: anObject
<
for(var i=0;i<self.length;i++) {
if(self[i] == anObject) {
self.splice(i,1);
break;
}
}
>
!
removeFrom: aNumber to: anotherNumber
<self.splice(aNumber - 1,anotherNumber - 1)>
! !
!Array methodsFor: 'converting'!
asJavascript
^'[', ((self collect: [:each | each asJavascript]) join: ', '), ']'
!
reversed
<return self._copy().reverse()>
! !
!Array methodsFor: 'enumerating'!
join: aString
<return self.join(aString)>
!
sort
^self basicPerform: 'sort'
!
sort: aBlock
<
return self.sort(function(a, b) {
if(aBlock(a,b)) {return -1} else {return 1}
})
>
!
sorted
^self copy sort
!
sorted: aBlock
^self copy sort: aBlock
! !
!Array class methodsFor: 'instance creation'!
new: anInteger
<return new Array(anInteger)>
!
with: anObject
^(self new: 1)
at: 1 put: anObject;
yourself
!
with: anObject with: anObject2
^(self new: 2)
at: 1 put: anObject;
at: 2 put: anObject2;
yourself
!
with: anObject with: anObject2 with: anObject3
^(self new: 3)
at: 1 put: anObject;
at: 2 put: anObject2;
at: 3 put: anObject3;
yourself
!
withAll: aCollection
| instance |
instance := self new: aCollection size.
aCollection withIndexDo: [:each :index |
instance at: index put: each].
^instance
! !
Stream subclass: #StringStream
instanceVariableNames: ''
category: 'Kernel-Collections'!
!StringStream methodsFor: 'reading'!
next: anInteger
| tempCollection |
tempCollection := self collection class new.
anInteger timesRepeat: [
self atEnd ifFalse: [
tempCollection := tempCollection, self next]].
^tempCollection
! !
!StringStream methodsFor: 'writing'!
nextPut: aString
self nextPutAll: aString
!
nextPutAll: aString
self setCollection:
(self collection copyFrom: 1 to: self position),
aString,
(self collection copyFrom: (self position + 1 + aString size) to: self collection size).
self position: self position + aString size.
self setStreamSize: (self streamSize max: self position)
!
cr
^self nextPutAll: String cr
!
crlf
^self nextPutAll: String crlf
!
lf
^self nextPutAll: String lf
!
space
self nextPut: ' '
! !
Collection subclass: #Set
instanceVariableNames: 'elements'
category: 'Kernel-Collections'!
!Set methodsFor: 'accessing'!
size
^elements size
! !
!Set methodsFor: 'adding/removing'!
add: anObject
<
var found;
for(var i=0; i < self['@elements'].length; i++) {
if(anObject == self['@elements'][i]) {
found = true;
break;
}
}
if(!!found) {self['@elements'].push(anObject)}
>
!
remove: anObject
elements remove: anObject
! !
!Set methodsFor: 'comparing'!
= aCollection
^self class = aCollection class and: [
elements = aCollection asArray]
! !
!Set methodsFor: 'converting'!
asArray
^elements copy
! !
!Set methodsFor: 'enumerating'!
detect: aBlock ifNone: anotherBlock
^elements detect: aBlock ifNone: anotherBlock
!
do: aBlock
elements do: aBlock
!
select: aBlock
| collection |
collection := self class new.
self do: [:each |
(aBlock value: each) ifTrue: [
collection add: each]].
^collection
! !
!Set methodsFor: 'initialization'!
initialize
super initialize.
elements := #()
! !
!Set methodsFor: 'testing'!
includes: anObject
^elements includes: anObject
! !
Collection subclass: #HashedCollection
instanceVariableNames: ''
category: 'Kernel-Collections'!
!HashedCollection commentStamp!
A HashedCollection is a traditional JavaScript object, or a Smalltalk Dictionary.
Unlike a Dictionary, it can only have strings as keys.!
!HashedCollection methodsFor: 'accessing'!
size
^self keys size
!
associations
| associations |
associations := #().
self keys do: [:each |
associations add: (Association key: each value: (self at: each))].
^associations
!
keys
<
var keys = [];
for(var i in self) {
if(self.hasOwnProperty(i)) {
keys.push(i);
}
};
return keys;
>
!
values
^self keys collect: [:each | self at: each]
!
at: aKey put: aValue
^self basicAt: aKey put: aValue
!
at: aKey ifAbsent: aBlock
^(self includesKey: aKey)
ifTrue: [self basicAt: aKey]
ifFalse: aBlock
!
at: aKey ifAbsentPut: aBlock
^self at: aKey ifAbsent: [
self at: aKey put: aBlock value]
!
at: aKey ifPresent: aBlock
^(self basicAt: aKey) ifNotNil: [aBlock value: (self at: aKey)]
!
at: aKey ifPresent: aBlock ifAbsent: anotherBlock
^(self basicAt: aKey)
ifNil: anotherBlock
ifNotNil: [aBlock value: (self at: aKey)]
!
at: aKey
^self at: aKey ifAbsent: [self errorNotFound]
! !
!HashedCollection methodsFor: 'adding/removing'!
add: anAssociation
self at: anAssociation key put: anAssociation value
!
addAll: aHashedCollection
super addAll: aHashedCollection associations.
^aHashedCollection
!
removeKey: aKey
self remove: aKey
!
remove: aKey ifAbsent: aBlock
^self removeKey: aKey ifAbsent: aBlock
!
removeKey: aKey ifAbsent: aBlock
^(self includesKey: aKey)
ifFalse: [aBlock value]
ifTrue: [self basicDelete: aKey]
! !
!HashedCollection methodsFor: 'comparing'!
= aHashedCollection
self class = aHashedCollection class ifFalse: [^false].
self size = aHashedCollection size ifFalse: [^false].
^self associations = aHashedCollection associations
! !
!HashedCollection methodsFor: 'converting'!
asDictionary
^Dictionary fromPairs: self associations
!
asJSON
| c |
c := self class new.
self keysAndValuesDo: [:key :value |
c at: key put: value asJSON].
^c
! !
!HashedCollection methodsFor: 'copying'!
shallowCopy
| copy |
copy := self class new.
self associationsDo: [:each |
copy at: each key put: each value].
^copy
!
, aCollection
self shouldNotImplement
!
copyFrom: anIndex to: anotherIndex
self shouldNotImplement
!
deepCopy
| copy |
copy := self class new.
self associationsDo: [:each |
copy at: each key put: each value deepCopy].
^copy
! !
!HashedCollection methodsFor: 'enumerating'!
associationsDo: aBlock
self associations do: aBlock
!
keysAndValuesDo: aBlock
self associationsDo: [:each |
aBlock value: each key value: each value]
!
do: aBlock
self values do: aBlock
!
select: aBlock
| newDict |
newDict := self class new.
self keysAndValuesDo: [:key :value |
(aBlock value: value) ifTrue: [newDict at: key put: value]].
^newDict
!
collect: aBlock
| newDict |
newDict := self class new.
self keysAndValuesDo: [:key :value |
newDict at: key put: (aBlock value: value)].
^newDict
!
detect: aBlock ifNone: anotherBlock
^self values detect: aBlock ifNone: anotherBlock
!
includes: anObject
^self values includes: anObject
! !
!HashedCollection methodsFor: 'printing'!
printString
^String streamContents: [:aStream|
aStream
nextPutAll: super printString;
nextPutAll: '('.
self associations
do: [:anAssociation|
aStream
nextPutAll: anAssociation key printString;
nextPutAll: ' -> ';
nextPutAll: anAssociation value printString]
separatedBy: [aStream nextPutAll: ' , '].
aStream nextPutAll: ')']
!
storeOn: aStream
aStream nextPutAll: '#{'.
self associations
do: [:each | each storeOn: aStream]
separatedBy: [ aStream nextPutAll: '. '].
aStream nextPutAll: '}'
! !
!HashedCollection methodsFor: 'testing'!
includesKey: aKey
<return self.hasOwnProperty(aKey)>
! !
!HashedCollection class methodsFor: 'instance creation'!
fromPairs: aCollection
| dict |
dict := self new.
aCollection do: [:each | dict add: each].
^dict
! !
HashedCollection subclass: #Dictionary
instanceVariableNames: 'keys values'
category: 'Kernel-Collections'!
!Dictionary methodsFor: 'accessing'!
at: aKey ifAbsent: aBlock
<
var index;
for(var i=0;i<self['@keys'].length;i++){
if(self['@keys'][i].__eq(aKey)) {index = i;}
};
if(typeof index === 'undefined') {
return aBlock();
} else {
return self['@values'][index];
}
>
!
keys
^keys copy
!
values
^values copy
!
at: aKey put: aValue
<
var index = self['@keys'].indexOf(aKey);
if(index === -1) {
self['@values'].push(aValue);
self['@keys'].push(aKey);
} else {
self['@values'][index] = aValue;
};
return aValue;
>
! !
!Dictionary methodsFor: 'adding/removing'!
removeKey: aKey ifAbsent: aBlock
<
var index = self['@keys'].indexOf(aKey);
if(index === -1) {
return aBlock()
} else {
self['@keys'].splice(i, 1);
self['@values'].splice(i, 1);
return aKey
};
>
! !
!Dictionary methodsFor: 'converting'!
asHashedCollection
^HashedCollection fromPairs: self associations
!
asJSON
^self asHashedCollection asJSON
! !
!Dictionary methodsFor: 'initialization'!
initialize
super initialize.
keys := #().
values := #()
! !
!Dictionary methodsFor: 'testing'!
includesKey: aKey
^keys includes: aKey
! !