PPLiteralObjectParser.st
author Claus Gittinger <cg@exept.de>
Tue, 04 Mar 2014 17:00:15 +0100
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"{ Package: 'stx:goodies/petitparser' }"
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PPLiteralParser subclass:#PPLiteralObjectParser
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	instanceVariableNames:''
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	classVariableNames:''
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	poolDictionaries:''
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	category:'PetitParser-Parsers'
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!
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!PPLiteralObjectParser methodsFor:'operators'!
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caseInsensitive
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	"Answer a parser that can parse the receiver case-insensitive."
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	literal asUppercase = literal asLowercase ifTrue: [ ^ self ].
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	^ PPPredicateObjectParser on: [ :value | literal sameAs: value ] message: message
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negate
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	^ (PPPredicateObjectParser expect: literal message: message) negate
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! !
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!PPLiteralObjectParser methodsFor:'parsing'!
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parseOn: aStream
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	^ (aStream atEnd not and: [ literal = aStream uncheckedPeek ])
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		ifFalse: [ PPFailure message: message at: aStream position ]
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		ifTrue: [ aStream next ]
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! !
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!PPLiteralObjectParser class methodsFor:'documentation'!
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version
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    ^ '$Header: /cvs/stx/stx/goodies/petitparser/PPLiteralObjectParser.st,v 1.4 2014-03-04 14:33:00 cg Exp $'
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!
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version_CVS
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    ^ '$Header: /cvs/stx/stx/goodies/petitparser/PPLiteralObjectParser.st,v 1.4 2014-03-04 14:33:00 cg Exp $'
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!
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version_SVN
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    ^ '$Id: PPLiteralObjectParser.st,v 1.4 2014-03-04 14:33:00 cg Exp $'
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! !
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