"{ Package: 'stx:goodies/petitparser' }"
PPDelegateParser subclass:#PPTrimmingParser
instanceVariableNames:'trimmer'
classVariableNames:''
poolDictionaries:''
category:'PetitParser-Parsers'
!
!PPTrimmingParser class methodsFor:'instance creation'!
on: aParser trimmer: aTrimParser
^ self new
setParser: aParser;
setTrimmer: aTrimParser;
yourself
! !
!PPTrimmingParser methodsFor:'initialization'!
setTrimmer: aParser
trimmer := aParser
! !
!PPTrimmingParser methodsFor:'operations'!
trim
"There is no point in trimming more than once."
^ self
! !
!PPTrimmingParser methodsFor:'parsing'!
parseOn: aStream
| position element |
position := aStream position.
[ (trimmer parseOn: aStream) isPetitFailure ]
whileFalse.
element := parser parseOn: aStream.
element isPetitFailure ifTrue: [
aStream position: position.
^ element ].
[ (trimmer parseOn: aStream) isPetitFailure ]
whileFalse.
^ element
! !
!PPTrimmingParser class methodsFor:'documentation'!
version
^ '$Header: /cvs/stx/stx/goodies/petitparser/PPTrimmingParser.st,v 1.3 2012-05-04 22:05:38 vrany Exp $'
!
version_CVS
^ '$Header: /cvs/stx/stx/goodies/petitparser/PPTrimmingParser.st,v 1.3 2012-05-04 22:05:38 vrany Exp $'
!
version_SVN
^ '§Id: PPTrimmingParser.st 2 2010-12-17 18:44:23Z vranyj1 §'
! !