kakoune/rc/base/css.kak

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# http://w3.org/Style/CSS
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
# Detection
# ‾‾‾‾‾‾‾‾‾
hook global BufCreate .*[.](css) %{
set-option buffer filetype css
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}
# Highlighters
# ‾‾‾‾‾‾‾‾‾‾‾‾
add-highlighter shared/css regions
add-highlighter shared/css/selector default-region group
add-highlighter shared/css/declaration region [{] [}] regions
add-highlighter shared/css/comment region /[*] [*]/ fill comment
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add-highlighter shared/css/declaration/base default-region group
add-highlighter shared/css/declaration/double_string region '"' (?<!\\)(\\\\)*" fill string
add-highlighter shared/css/declaration/single_string region "'" "'" fill string
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# https://developer.mozilla.org/en-US/docs/Web/CSS/length
add-highlighter shared/css/declaration/base/ regex (#[0-9A-Fa-f]+)|((\d*\.)?\d+(ch|cm|em|ex|mm|pc|pt|px|rem|vh|vmax|vmin|vw)) 0:value
add-highlighter shared/css/declaration/base/ regex ([A-Za-z][A-Za-z0-9_-]*)\h*: 1:keyword
add-highlighter shared/css/declaration/base/ regex :(before|after) 0:attribute
add-highlighter shared/css/declaration/base/ regex !important 0:keyword
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# element#id element.class
# universal selector
add-highlighter shared/css/selector/ regex [A-Za-z][A-Za-z0-9_-]* 0:keyword
add-highlighter shared/css/selector/ regex [*]|[#.][A-Za-z][A-Za-z0-9_-]* 0:variable
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# Commands
# ‾‾‾‾‾‾‾‾
define-command -hidden css-filter-around-selections %{
# remove trailing white spaces
try %{ execute-keys -draft -itersel <a-x> s \h+$ <ret> d }
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}
define-command -hidden css-indent-on-new-line %[
evaluate-commands -draft -itersel %[
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# preserve previous line indent
try %[ execute-keys -draft \; K <a-&> ]
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# filter previous line
try %[ execute-keys -draft k : css-filter-around-selections <ret> ]
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# indent after lines ending with with {
try %[ execute-keys -draft k <a-x> <a-k> \{$ <ret> j <a-gt> ]
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]
]
define-command -hidden css-indent-on-closing-curly-brace %[
evaluate-commands -draft -itersel %[
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# align to opening curly brace when alone on a line
try %[ execute-keys -draft <a-h> <a-k> ^\h+\}$ <ret> m s \A|.\z <ret> 1<a-&> ]
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]
]
# Initialization
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
hook -group css-highlight global WinSetOption filetype=css %{ add-highlighter window/css ref css }
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hook global WinSetOption filetype=css %[
hook window ModeChange insert:.* -group css-hooks css-filter-around-selections
hook window InsertChar \n -group css-indent css-indent-on-new-line
hook window InsertChar \} -group css-indent css-indent-on-closing-curly-brace
set-option buffer extra_word_chars '_' '-'
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]
hook -group css-highlight global WinSetOption filetype=(?!css).* %{ remove-highlighter window/css }
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hook global WinSetOption filetype=(?!css).* %{
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remove-hooks window css-.+
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}