334
|
1 |
"{ Package: 'stx:goodies/petitparser/gui' }"
|
|
2 |
|
|
3 |
Object subclass:#PPTextHighlighter
|
|
4 |
instanceVariableNames:'parser attributeMapper'
|
|
5 |
classVariableNames:''
|
|
6 |
poolDictionaries:''
|
|
7 |
category:'PetitGui-Core'
|
|
8 |
!
|
|
9 |
|
|
10 |
|
|
11 |
!PPTextHighlighter methodsFor:'accessing'!
|
|
12 |
|
|
13 |
attributeMapper
|
|
14 |
"returns a dictionary with keys corresponding to parser names and
|
|
15 |
values corresponding to a collection of TextAttributes"
|
|
16 |
^ attributeMapper
|
|
17 |
!
|
|
18 |
|
|
19 |
attributeMapper: aDictionary
|
|
20 |
attributeMapper := aDictionary
|
|
21 |
!
|
|
22 |
|
|
23 |
parser
|
|
24 |
^ parser
|
|
25 |
!
|
|
26 |
|
|
27 |
parser: aParser
|
|
28 |
parser := aParser
|
|
29 |
! !
|
|
30 |
|
|
31 |
!PPTextHighlighter methodsFor:'initialization'!
|
|
32 |
|
|
33 |
initialize
|
|
34 |
parser := #any asParser.
|
|
35 |
attributeMapper := Dictionary new
|
|
36 |
! !
|
|
37 |
|
|
38 |
!PPTextHighlighter methodsFor:'public'!
|
|
39 |
|
|
40 |
addAttribute: aTextAttribute for: anElementString
|
|
41 |
| attributes |
|
|
42 |
attributes := self attributeMapper at: anElementString ifAbsentPut: [OrderedCollection new].
|
|
43 |
attributes add: aTextAttribute
|
|
44 |
!
|
|
45 |
|
|
46 |
bold: anElementString
|
|
47 |
self addAttribute: TextEmphasis bold for: anElementString
|
|
48 |
!
|
|
49 |
|
|
50 |
color: anElementString with: aColor
|
|
51 |
self addAttribute: (TextColor new color: aColor) for: anElementString
|
|
52 |
!
|
|
53 |
|
|
54 |
highlight: aString
|
|
55 |
| text highlighter |
|
|
56 |
text := aString asText.
|
|
57 |
highlighter := parser transform: [ :p |
|
|
58 |
attributeMapper at: p name
|
|
59 |
ifPresent: [ :attributes |
|
|
60 |
p token ==> [ :token |
|
|
61 |
attributes do: [:each |
|
|
62 |
text
|
|
63 |
addAttribute: each
|
|
64 |
from: token start
|
|
65 |
to: token stop ] ] ]
|
|
66 |
ifAbsent: [ p ] ].
|
|
67 |
highlighter parse: text.
|
|
68 |
^ text
|
|
69 |
! !
|
|
70 |
|
|
71 |
!PPTextHighlighter class methodsFor:'documentation'!
|
|
72 |
|
|
73 |
version
|
|
74 |
^ '$Header: /cvs/stx/stx/goodies/petitparser/gui/PPTextHighlighter.st,v 1.1 2014-03-04 21:15:00 cg Exp $'
|
|
75 |
!
|
|
76 |
|
|
77 |
version_CVS
|
|
78 |
^ '$Header: /cvs/stx/stx/goodies/petitparser/gui/PPTextHighlighter.st,v 1.1 2014-03-04 21:15:00 cg Exp $'
|
|
79 |
! !
|
|
80 |
|