"{ Package: 'stx:goodies/petitparser' }"
PPDelegateParser subclass:#PPRepeatingParser
instanceVariableNames:'min max'
classVariableNames:''
poolDictionaries:''
category:'PetitParser-Parsers'
!
!PPRepeatingParser class methodsFor:'instance creation'!
on: aParser
^ (super on: aParser) setMin: 0 max: SmallInteger maxVal
!
on: aParser max: aMaxInteger
^ (self on: aParser) setMin: 0 max: aMaxInteger
!
on: aParser min: aMinInteger
^ (self on: aParser) setMin: aMinInteger max: SmallInteger maxVal
!
on: aParser min: aMinInteger max: aMaxInteger
^ (self on: aParser) setMin: aMinInteger max: aMaxInteger
! !
!PPRepeatingParser methodsFor:'accessing'!
max
"Answer the maximum number of repetitions."
^ max
!
min
"Answer the minimum number of repetitions."
^ min
! !
!PPRepeatingParser methodsFor:'initialization'!
setMin: aMinInteger max: aMaxInteger
min := aMinInteger.
max := aMaxInteger
! !
!PPRepeatingParser methodsFor:'parsing'!
parseOn: aStream
| start element elements |
start := aStream position.
elements := OrderedCollection new.
[ elements size < min ] whileTrue: [
(element := parser parseOn: aStream) isPetitFailure ifTrue: [
aStream position: start.
^ element ].
elements addLast: element ].
[ elements size < max ] whileTrue: [
(element := parser parseOn: aStream) isPetitFailure
ifTrue: [ ^ elements asArray ].
elements addLast: element ].
^ elements asArray
! !
!PPRepeatingParser methodsFor:'printing'!
printOn: aStream
super printOn: aStream.
aStream nextPutAll: ' ['; print: min; nextPutAll: ', '; nextPutAll: (max = SmallInteger maxVal
ifTrue: [ '*' ] ifFalse: [ max printString ]); nextPut: $]
! !
!PPRepeatingParser class methodsFor:'documentation'!
version
^ '$Header: /cvs/stx/stx/goodies/petitparser/PPRepeatingParser.st,v 1.3 2012-05-04 22:09:29 vrany Exp $'
!
version_CVS
^ '$Header: /cvs/stx/stx/goodies/petitparser/PPRepeatingParser.st,v 1.3 2012-05-04 22:09:29 vrany Exp $'
!
version_SVN
^ '§Id: PPRepeatingParser.st 2 2010-12-17 18:44:23Z vranyj1 §'
! !