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"{ Package: 'stx:goodies/petitparser/gui' }"
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Object subclass:#PPTextHighlighter
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instanceVariableNames:'parser attributeMapper'
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classVariableNames:''
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poolDictionaries:''
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category:'PetitGui-Core'
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!
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!PPTextHighlighter methodsFor:'accessing'!
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attributeMapper
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"returns a dictionary with keys corresponding to parser names and
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values corresponding to a collection of TextAttributes"
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^ attributeMapper
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!
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attributeMapper: aDictionary
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attributeMapper := aDictionary
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!
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parser
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^ parser
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!
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parser: aParser
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parser := aParser
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! !
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!PPTextHighlighter methodsFor:'initialization'!
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initialize
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parser := #any asParser.
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attributeMapper := Dictionary new
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! !
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!PPTextHighlighter methodsFor:'public'!
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addAttribute: aTextAttribute for: anElementString
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| attributes |
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attributes := self attributeMapper at: anElementString ifAbsentPut: [OrderedCollection new].
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attributes add: aTextAttribute
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!
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bold: anElementString
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self addAttribute: TextEmphasis bold for: anElementString
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!
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color: anElementString with: aColor
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self addAttribute: (TextColor new color: aColor) for: anElementString
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!
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highlight: aString
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| text highlighter |
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text := aString asText.
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highlighter := parser transform: [ :p |
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attributeMapper at: p name
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ifPresent: [ :attributes |
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p token ==> [ :token |
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attributes do: [:each |
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text
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addAttribute: each
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from: token start
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to: token stop ] ] ]
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ifAbsent: [ p ] ].
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highlighter parse: text.
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^ text
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! !
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!PPTextHighlighter class methodsFor:'documentation'!
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version
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^ '$Header: /cvs/stx/stx/goodies/petitparser/gui/PPTextHighlighter.st,v 1.1 2014-03-04 21:15:00 cg Exp $'
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!
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version_CVS
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^ '$Header: /cvs/stx/stx/goodies/petitparser/gui/PPTextHighlighter.st,v 1.1 2014-03-04 21:15:00 cg Exp $'
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! !
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