-! Copyright (C) 2009 Your name.
+! Copyright (C) 2009 Keith Lazuka.
! See http://factorcode.org/license.txt for BSD license.
-USING: colors.constants combinators combinators.short-circuit
-hashtables io.styles kernel namespaces sequences words
-words.symbol ;
+USING: assocs colors.constants combinators
+combinators.short-circuit hashtables io.styles kernel literals
+namespaces sequences words words.symbol ;
IN: prettyprint.stylesheet
<PRIVATE
CONSTANT: dim-color COLOR: gray35
-CONSTANT: alt-color COLOR: DarkSlateGray
-: dimly-lit-word? ( word -- ? )
- { POSTPONE: USING: POSTPONE: USE: POSTPONE: IN: } memq? ;
+{ POSTPONE: USING: POSTPONE: USE: POSTPONE: IN: }
+[
+ { { foreground $ dim-color } }
+ "word-style" set-word-prop
+] each
-: parsing-or-delim-word? ( word -- ? )
- [ parsing-word? ] [ delimiter? ] bi or ;
-
-: word-color ( word -- color )
- {
- { [ dup dimly-lit-word? ] [ drop dim-color ] }
- { [ dup parsing-or-delim-word? ] [ drop alt-color ] }
- [ drop COLOR: black ]
- } cond ;
+PREDICATE: highlighted-word < word [ parsing-word? ] [ delimiter? ] bi or ;
PRIVATE>
-: word-style ( word -- style )
- dup "word-style" word-prop >hashtable [
- [
- [ presented set ] [ word-color foreground set ] bi
- ] bind
- ] keep ;
+GENERIC: word-style ( word -- style )
+
+M: word word-style
+ [ presented associate ]
+ [ "word-style" word-prop >hashtable ] bi assoc-union ;
+
+M: highlighted-word word-style
+ call-next-method COLOR: DarkSlateGray foreground associate
+ swap assoc-union ;
+
+<PRIVATE
+
+: colored-presentation-style ( obj color -- style )
+ [ presented associate ] [ foreground associate ] bi* assoc-union ;
+
+PRIVATE>
: string-style ( str -- style )
- [
- presented set
- COLOR: LightSalmon4 foreground set
- ] H{ } make-assoc ;
+ COLOR: LightSalmon4 colored-presentation-style ;
: vocab-style ( vocab -- style )
- [
- presented set
- dim-color foreground set
- ] H{ } make-assoc ;
+ dim-color colored-presentation-style ;
: effect-style ( effect -- style )
- [
- presented set
- COLOR: DarkGreen foreground set
- ] H{ } make-assoc ;
\ No newline at end of file
+ COLOR: DarkGreen colored-presentation-style ;