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|
(.module:
[lux (#- and)
[data
["." maybe]
["." number]
["." text
format
["." encoding (#+ Encoding)]]
[collection
[list ("list/." Functor<List>)]]]
[type
abstract]
[world
[net (#+ URL)]]]
[/
["/." selector (#+ Selector Combinator)]
["/." value (#+ Value)]
["/." font (#+ Font)]
["/." style (#+ Style)]])
(abstract: #export CSS
{}
Text
(def: #export empty CSS (:abstraction ""))
(def: #export (rule selector style)
(-> (Selector Any) Style CSS)
(:abstraction (format (/selector.selector selector) "{" (/style.inline style) "}")))
(def: #export char-set
(-> Encoding CSS)
(|>> encoding.name
%t
(text.enclose ["@charset " ";"])
:abstraction))
(def: #export (font font)
(-> Font CSS)
(let [with-unicode (case (get@ #/font.unicode-range font)
(#.Some unicode-range)
(let [unicode-range' (format "U+" (:: number.Hex@Codec<Text,Nat> encode (get@ #/font.start unicode-range))
"-" (:: number.Hex@Codec<Text,Nat> encode (get@ #/font.end unicode-range)))]
(list ["unicode-range" unicode-range']))
#.None
(list))]
(|> (list& ["font-family" (get@ #/font.family font)]
["src" (format "url(" (get@ #/font.source font) ")")]
["font-stretch" (|> font (get@ #/font.stretch) (maybe.default /value.normal-stretch) /value.value)]
["font-style" (|> font (get@ #/font.style) (maybe.default /value.normal-style) /value.value)]
["font-weight" (|> font (get@ #/font.weight) (maybe.default /value.normal-weight) /value.value)]
with-unicode)
(list/map (function (_ [property value])
(format property ": " value ";")))
(text.join-with /style.separator)
(text.enclose ["{" "}"])
(format "@font-face")
:abstraction)))
(def: #export (import url)
(-> URL CSS)
(:abstraction (format (format "@import url(" (%t url) ")")
";")))
(def: css-separator text.new-line)
(def: #export (and pre post)
(-> CSS CSS CSS)
(:abstraction (format (:representation pre) ..css-separator
(:representation post))))
(def: #export (alter combinator selector css)
(-> Combinator (Selector Any) CSS CSS)
(|> css
:representation
(text.split-all-with ..css-separator)
(list/map (|>> (format (/selector.selector (combinator selector (/selector.tag ""))))))
(text.join-with ..css-separator)
:abstraction))
(def: #export (dependent combinator selector style inner)
(-> Combinator (Selector Any) Style CSS CSS)
(..and (..rule selector style)
(..alter combinator selector inner)))
(do-template [<name> <combinator>]
[(def: #export <name>
(-> (Selector Any) Style CSS CSS)
(..dependent <combinator>))]
[with-descendants /selector.in]
[with-children /selector.sub]
)
)
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