Updated to PetitCompiler-JanKurs.160, PetitCompiler-Tests-JanKurs.112, PetitCompiler-Extras-Tests-JanKurs.25, PetitCompiler-Benchmarks-JanKurs.17
Name: PetitCompiler-JanKurs.160
Author: JanKurs
Time: 17-08-2015, 09:52:26.291 AM
UUID: 3b4bfc98-8098-4951-af83-a59e2585b121
Name: PetitCompiler-Tests-JanKurs.112
Author: JanKurs
Time: 16-08-2015, 05:00:32.936 PM
UUID: 85613d47-08f3-406f-9823-9cdab451e805
Name: PetitCompiler-Extras-Tests-JanKurs.25
Author: JanKurs
Time: 16-08-2015, 05:00:10.328 PM
UUID: 09731810-51a1-4151-8d3a-56b636fbd1f7
Name: PetitCompiler-Benchmarks-JanKurs.17
Author: JanKurs
Time: 05-08-2015, 05:29:32.407 PM
UUID: e544b5f1-bcf8-470b-93a6-d2363e4dfc8a
"{ 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' ]
]
! !