PPCConfiguration refactoring: [3/10]: Moved some sime instvars to context
Move some context-related options from PPCConfiguration to PPCCompilationContext.
PPCConfiguration now access them wia accessor methods.
"{ Package: 'stx:goodies/petitparser/islands' }"
"{ NameSpace: Smalltalk }"
PPCompositeParser subclass:#XmlFeedParser
instanceVariableNames:'item openItem itemContent closeItem openShoplist shoplistContent
closeShoplist shoplist simpleElement stringValue'
classVariableNames:''
poolDictionaries:''
category:'PetitIslands-Examples'
!
XmlFeedParser comment:'A XmlFeedParser is Parser of a fake shop feed. Shop feed is a XML file with information about shop products. Shop feed can be malformed (for any reason) the parser will recover from malformed item and will continue on the next valid item.
Instance Variables
closeItem: <Object>
closeName: <Object>
closeShoplist: <Object>
item: <Object>
itemContent: <Object>
name: <Object>
nameContent: <Object>
openItem: <Object>
openName: <Object>
openShoplist: <Object>
shoplist: <Object>
shoplistContent: <Object>
simpleElement: <Object>
stringValue: <Object>
closeItem
- xxxxx
closeName
- xxxxx
closeShoplist
- xxxxx
item
- xxxxx
itemContent
- xxxxx
name
- xxxxx
nameContent
- xxxxx
openItem
- xxxxx
openName
- xxxxx
openShoplist
- xxxxx
shoplist
- xxxxx
shoplistContent
- xxxxx
simpleElement
- xxxxx
stringValue
- xxxxx
'
!
!XmlFeedParser methodsFor:'grammar'!
item
^ (openItem, itemContent trim, closeItem) trim ==> #second
!
itemContent
^ (simpleElement trim star) ==> self elementsToDictionaryBlock
!
shoplist
^ (openShoplist, shoplistContent, closeShoplist) trim ==> #second
!
shoplistContent
^ (item island ==> #second) star
!
start
^ shoplist
!
stringValue
^ (#letter asParser / #digit asParser) star flatten trim
! !
!XmlFeedParser methodsFor:'tags'!
closeItem
^ '</' asParser, 'item' asParser trim, '>' asParser
!
closeShoplist
^ '</' asParser, 'shoplist' asParser trim, '>' asParser
!
openItem
^ '<' asParser, 'item' asParser trim, '>' asParser
!
openShoplist
^ '<' asParser, 'shoplist' asParser trim, '>' asParser
! !
!XmlFeedParser methodsFor:'xmlSupport'!
elementsToDictionaryBlock
^ [ :elements | | d |
d := Dictionary new.
elements do: [ :e | d at: e first asSymbol put: e second ].
d
]
!
simpleElement
^ (
(('<' asParser, stringValue trim, '>' asParser) ==> #second),
stringValue,
(('</' asParser, stringValue trim, '>' asParser) ==> #second)
) ==> [ :elements |
(elements first = elements third)
ifTrue: [ Array with: elements first with: elements second ]
ifFalse: [ PPFailure message: 'malformed element' ]
]
! !