PPTrimmingParser.st
author Patrik Svestka <patrik.svestka@gmail.com>
Wed, 14 Nov 2018 13:01:14 +0100
changeset 642 77d5fddb6462
parent 411 06b96374dd10
permissions -rw-r--r--
Issue #239: Fix all Smalltak/X source files to be in unicode (UTF8 without BOM) and prefixed by "{ Encoding: utf8 }" when any unicode character is present - All source *.st files are now Unicode UTF8 without BOM Files are in two groups (fileOut works this way in Smalltalk/X): - containing a unicode character have "{ Encoding: utf8 }" at the header - ASCII only are without the header
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"{ Encoding: utf8 }"
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"{ Package: 'stx:goodies/petitparser' }"
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PPDelegateParser subclass:#PPTrimmingParser
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	instanceVariableNames:'trimmer'
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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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!PPTrimmingParser class methodsFor:'instance creation'!
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on: aParser trimmer: aTrimParser
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	^ self new
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		setParser: aParser;
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		setTrimmer: aTrimParser;
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		yourself
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! !
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!PPTrimmingParser methodsFor:'initialization'!
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setTrimmer: aParser
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	trimmer := aParser
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! !
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!PPTrimmingParser methodsFor:'parsing'!
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parseOn: aPPContext
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	| memento element |
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	memento := aPPContext remember.
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	[ (trimmer parseOn: aPPContext) isPetitFailure ]
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		whileFalse.
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	element := parser parseOn: aPPContext.
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	element isPetitFailure ifTrue: [
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		aPPContext restore: memento.
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		^ element ].
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	[ (trimmer parseOn: aPPContext) isPetitFailure ]
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		whileFalse.
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	^ element
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! !
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!PPTrimmingParser class methodsFor:'documentation'!
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version
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    ^ '$Header: /cvs/stx/stx/goodies/petitparser/PPTrimmingParser.st,v 1.3 2012-05-04 22:05:38 vrany Exp $'
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!
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version_CVS
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    ^ '$Header: /cvs/stx/stx/goodies/petitparser/PPTrimmingParser.st,v 1.3 2012-05-04 22:05:38 vrany Exp $'
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!
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version_HG
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    ^ '$Changeset: <not expanded> $'
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!
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0
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version_SVN
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    ^ '§Id: PPTrimmingParser.st 2 2010-12-17 18:44:23Z vranyj1 §'
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! !
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