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|
(.module:
[library
[lux (#- and)
[control
["." maybe]]
[data
[number
["." nat]]
["." text
["%" format (#+ format)]
["." encoding (#+ Encoding)]]
[collection
["." list ("#\." functor)]]]
[type
abstract]
[world
[net (#+ URL)]]]]
["." / #_
["#." selector (#+ Selector Combinator)]
["#." value (#+ Value Animation Percentage)]
["#." font (#+ Font)]
["#." style (#+ Style)]
["#." query (#+ Query)]])
(abstract: .public Common {} Any)
(abstract: .public Special {} Any)
(abstract: .public (CSS brand)
{}
Text
(def: .public css
(-> (CSS Any) Text)
(|>> :representation))
(def: .public empty
(CSS Common)
(:abstraction ""))
(def: .public (rule selector style)
(-> (Selector Any) Style (CSS Common))
(:abstraction (format (/selector.selector selector) "{" (/style.inline style) "}")))
(def: .public char_set
(-> Encoding (CSS Special))
(|>> encoding.name
%.text
(text.enclosed ["@charset " ";"])
:abstraction))
(def: .public (font font)
(-> Font (CSS Special))
(let [with_unicode (case (value@ #/font.unicode_range font)
(#.Some unicode_range)
(let [unicode_range' (format "U+" (\ nat.hex encode (value@ #/font.start unicode_range))
"-" (\ nat.hex encode (value@ #/font.end unicode_range)))]
(list ["unicode-range" unicode_range']))
#.None
(list))]
(|> (list& ["font-family" (value@ #/font.family font)]
["src" (format "url(" (value@ #/font.source font) ")")]
["font-stretch" (|> font (value@ #/font.stretch) (maybe.else /value.normal_stretch) /value.value)]
["font-style" (|> font (value@ #/font.style) (maybe.else /value.normal_style) /value.value)]
["font-weight" (|> font (value@ #/font.weight) (maybe.else /value.normal_weight) /value.value)]
with_unicode)
(list\map (function (_ [property value])
(format property ": " value ";")))
(text.interposed /style.separator)
(text.enclosed ["{" "}"])
(format "@font-face")
:abstraction)))
(def: .public (import url query)
(-> URL (Maybe Query) (CSS Special))
(:abstraction (format (format "@import url(" (%.text url) ")")
(case query
(#.Some query)
(format " " (/query.query query))
#.None
"")
";")))
(def: css_separator
text.new_line)
(type: .public Frame
{#when Percentage
#what Style})
(def: .public (key_frames animation frames)
(-> (Value Animation) (List Frame) (CSS Special))
(:abstraction (format "@keyframes " (/value.value animation) " {"
(|> frames
(list\map (function (_ frame)
(format (/value.percentage (value@ #when frame)) " {"
(/style.inline (value@ #what frame))
"}")))
(text.interposed ..css_separator))
"}")))
(template: (!compose <pre> <post>)
(:abstraction (format (:representation <pre>) ..css_separator
(:representation <post>))))
(def: .public (and pre post)
(-> (CSS Any) (CSS Any) (CSS Any))
(!compose pre post))
(def: .public (alter combinator selector css)
(-> Combinator (Selector Any) (CSS Common) (CSS Common))
(|> css
:representation
(text.all_split_by ..css_separator)
(list\map (|>> (format (/selector.selector (|> selector (combinator (/selector.tag "")))))))
(text.interposed ..css_separator)
:abstraction))
(def: .public (dependent combinator selector style inner)
(-> Combinator (Selector Any) Style (CSS Common) (CSS Common))
(!compose (..rule selector style)
(..alter combinator selector inner)))
(template [<name> <combinator>]
[(def: .public <name>
(-> (Selector Any) Style (CSS Common) (CSS Common))
(..dependent <combinator>))]
[with_descendants /selector.in]
[with_children /selector.sub]
)
)
|
