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kakoune/rc/base/css.kak

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# http://w3.org/Style/CSS
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
# Detection
# ‾‾‾‾‾‾‾‾‾
hook global BufCreate .*[.](css) %{
set buffer filetype css
}
# Highlighters
# ‾‾‾‾‾‾‾‾‾‾‾‾
add-highlighter -group / regions -default selector css \
declaration [{] [}] '' \
comment /[*] [*]/ ''
add-highlighter -group /css/comment fill comment
add-highlighter -group /css/declaration regions content \
string '"' (?<!\\)(\\\\)*" '' \
string "'" "'" ''
add-highlighter -group /css/declaration/content/string fill string
add-highlighter -group /css/declaration regex (#[0-9A-Fa-f]+)|((\d*\.)?\d+(em|px)) 0:value
add-highlighter -group /css/declaration regex ([A-Za-z][A-Za-z0-9_-]*)\h*: 1:keyword
add-highlighter -group /css/declaration regex :(before|after) 0:attribute
add-highlighter -group /css/declaration regex !important 0:keyword
# element#id element.class
# universal selector
add-highlighter -group /css/selector regex [A-Za-z][A-Za-z0-9_-]* 0:keyword
add-highlighter -group /css/selector regex [*]|[#.][A-Za-z][A-Za-z0-9_-]* 0:variable
# Commands
# ‾‾‾‾‾‾‾‾
def -hidden css-filter-around-selections %{
# remove trailing white spaces
try %{ exec -draft -itersel <a-x> s \h+$ <ret> d }
}
def -hidden css-indent-on-new-line %[
eval -draft -itersel %[
# preserve previous line indent
try %[ exec -draft \; K <a-&> ]
# filter previous line
try %[ exec -draft k : css-filter-around-selections <ret> ]
# indent after lines ending with with {
try %[ exec -draft k <a-x> <a-k> \{$ <ret> j <a-gt> ]
]
]
def -hidden css-indent-on-closing-curly-brace %[
eval -draft -itersel %[
# align to opening curly brace when alone on a line
try %[ exec -draft <a-h> <a-k> ^\h+\}$ <ret> m s \`|.\' <ret> 1<a-&> ]
]
]
# Initialization
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
hook -group css-highlight global WinSetOption filetype=css %{ add-highlighter ref css }
hook global WinSetOption filetype=css %[
hook window InsertEnd .* -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
]
hook -group css-highlight global WinSetOption filetype=(?!css).* %{ remove-highlighter css }
hook global WinSetOption filetype=(?!css).* %{
remove-hooks window css-indent
remove-hooks window css-hooks
}