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if oldBucket is not missing value then -- shallow copy the linked list and add it new newObject's bucket list at the same position
lns3.scpt
set newBucket to {k:oldBucket's k, v:oldBucket's v, nextItem:missing value}
lns3.scpt
set item i of newObject's _buckets to newBucket
lns3.scpt
repeat while nextItem of oldBucket is not missing value
lns3.scpt
set oldBucket to nextItem of oldBucket
lns3.scpt
set tmp to {k:oldBucket's k, v:oldBucket's v, nextItem:missing value}
lns3.scpt
set newBucket's nextItem to tmp
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set newBucket to tmp
lns3.scpt
return newObject
lns3.scpt
_error("copyObject", eText, eNumber, eFrom, eTo)
lns3.scpt
end copyObject
lns3.scpt
to addDictionary(dictionaryObject)
lns3.scpt
if dictionaryObject's countItems() > 0 then
lns3.scpt
if length of my _buckets ≠ length of dictionaryObject's _buckets then error "Mismatched bucket lists." -- sanity check, as above
lns3.scpt
repeat with i from 1 to length of dictionaryObject's _buckets
lns3.scpt
set otherBucket to item i of dictionaryObject's _buckets
lns3.scpt
if otherBucket is not missing value then -- transfer other dictionary's bucket…
lns3.scpt
set myBucket to item i of my _buckets
lns3.scpt
if myBucket is missing value then -- …by shallow copy
lns3.scpt
set myBucket to {k:otherBucket's k, v:otherBucket's v, nextItem:missing value}
lns3.scpt
set item i of my _buckets to myBucket
lns3.scpt
repeat while nextItem of otherBucket is not missing value
lns3.scpt
set otherBucket to nextItem of otherBucket
lns3.scpt
set tmp to {k:otherBucket's k, v:otherBucket's v, nextItem:missing value}
lns3.scpt
set myBucket's nextItem to tmp
lns3.scpt
set myBucket to tmp
lns3.scpt
else -- …by merging into this dictionary's existing bucket
lns3.scpt
repeat while otherBucket is not missing value
lns3.scpt
set tmp to myBucket
lns3.scpt
if tmp's k is otherBucket's k then -- replace
lns3.scpt
set tmp's {k, v} to otherBucket's {k, v}
lns3.scpt
else if tmp's nextItem is missing value then -- append
lns3.scpt
set tmp's nextItem to {k:otherBucket's k, v:otherBucket's v, nextItem:missing value}
lns3.scpt
set tmp to tmp's nextItem
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_error("addDictionary", eText, eNumber, eFrom, eTo)
lns3.scpt
end addDictionary
lns3.scpt
to addKeysAndValues(keyValueList) -- list of form {{KEY,VALUE},...}
lns3.scpt
if (count {keyValueList} each list) = 0 then error "Not a valid key-value list." number -1700 from keyValueList
lns3.scpt
script listObject
lns3.scpt
property _list_ : keyValueList
lns3.scpt
repeat with aRef in listObject's _list_
lns3.scpt
set keyValue to aRef's contents
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if (count {keyValue} each list) = 0 or keyValue's length ≠ 2 then error number -1700
lns3.scpt
addItem(keyValue's item 1, keyValue's item 2)
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on error number n
lns3.scpt
error "Not a valid key-value pair." number n from aRef
lns3.scpt
_error("addKeysAndValues", eText, eNumber, eFrom, eTo)
lns3.scpt
end addKeysAndValues
lns3.scpt
to getKeysAndValues()
lns3.scpt
repeat with bucketRef in my _buckets
lns3.scpt
set myBucket to bucketRef's contents
lns3.scpt
repeat while myBucket is not missing value
lns3.scpt
copy myBucket's k to k -- make sure date keys are always copied
lns3.scpt
set end of listObject's _list_ to {k, myBucket's v}
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set myBucket to myBucket's nextItem
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return listObject's _list_
lns3.scpt
end getKeysAndValues
lns3.scpt
to getKeys()
lns3.scpt
copy myBucket's k to end of listObject's _list_ -- make sure date keys are always copied
lns3.scpt
end getKeys
lns3.scpt
to getValues()
lns3.scpt
set end of listObject's _list_ to myBucket's v
lns3.scpt
end getValues
lns3.scpt
end dictionary collection
lns3.scpt
to stack collection -- Last-In-First-Out sequence
lns3.scpt
script StackCollection
lns3.scpt
property _head : missing value
lns3.scpt
_support's throwMethodError("Objects", "StackCollection", handlerName, eText, eNumber, eFrom, eTo)
lns3.scpt
to addItem(theValue)
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set _head to {v:theValue, nextItem:_head}
lns3.scpt
to removeItem() -- remove and return the topmost value
lns3.scpt
if _head is missing value then error "Stack is empty." number -1728
lns3.scpt
set theValue to v of _head
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set _head to nextItem of _head
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set _head to missing value
lns3.scpt
to getItem() -- return the topmost value without removing it
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return v of _head
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return "«stack collection (" & _count & " items)»"
lns3.scpt
set newObject to stack collection
lns3.scpt
set newObject's _count to _count
lns3.scpt
set newHead to {v:_head's v, nextItem:missing value}
lns3.scpt
set newObject's _head to newHead
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set oldHead to _head's nextItem
lns3.scpt
repeat while oldHead is not missing value
lns3.scpt
set tmp to {v:oldHead's v, nextItem:missing value}
lns3.scpt
set newHead's nextItem to tmp
lns3.scpt
set newHead to tmp
lns3.scpt
set oldHead to oldHead's nextItem
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end stack collection
lns3.scpt
to queue collection -- First-In-First-Out sequence
lns3.scpt
script QueueCollection
lns3.scpt
property _back : missing value
lns3.scpt
property _front : missing value
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_support's throwMethodError("Objects", "QueueCollection", handlerName, eText, eNumber, eFrom, eTo)
lns3.scpt
set nextItem to {v:theValue, nextItem:missing value}
lns3.scpt
if _back is not missing value then set nextItem of _back to nextItem
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set _back to nextItem
lns3.scpt
if _front is missing value then set _front to _back
lns3.scpt
to removeItem() -- remove and return the value at the front of the queue
lns3.scpt
if _front is missing value then error "Queue is empty." number -1728
lns3.scpt