kakoune/rc/extra/haml.kak

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# http://haml.info
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
# Detection
# ‾‾‾‾‾‾‾‾‾
hook global BufCreate .*[.](haml) %{
set buffer filetype haml
}
# Highlighters
# ‾‾‾‾‾‾‾‾‾‾‾‾
add-highlighter shared/ regions -default code haml \
comment ^\h*/ $ '' \
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eval ^\h*%([A-Za-z][A-Za-z0-9_-]*)([#.][A-Za-z][A-Za-z0-9_-]*)?\{\K|#\{\K (?=\}) \{ \
eval ^\h*[=-]\K (?<!\|)(?=\n) '' \
coffee ^\h*:coffee\K ^\h*[%=-]\K '' \
sass ^\h*:sass\K ^\h*[%=-]\K ''
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# Filters
# http://haml.info/docs/yardoc/file.REFERENCE.html#filters
add-highlighter shared/haml/comment fill comment
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add-highlighter shared/haml/eval ref ruby
add-highlighter shared/haml/coffee ref coffee
add-highlighter shared/haml/sass ref sass
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add-highlighter shared/haml/code regex ^\h*(:[a-z]+|-|=)|^(!!!)$ 0:meta
add-highlighter shared/haml/code regex ^\h*%([A-Za-z][A-Za-z0-9_-]*)([#.][A-Za-z][A-Za-z0-9_-]*)? 1:keyword 2:variable
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# Commands
# ‾‾‾‾‾‾‾‾
def -hidden haml-filter-around-selections %{
# remove trailing white spaces
try %{ exec -draft -itersel <a-x> s \h+$ <ret> d }
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}
def -hidden haml-indent-on-new-line %{
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eval -draft -itersel %{
# copy '/' comment prefix and following white spaces
try %{ exec -draft k <a-x> s ^\h*\K/\h* <ret> y gh j P }
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# preserve previous line indent
try %{ exec -draft \; K <a-&> }
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# filter previous line
try %{ exec -draft k : haml-filter-around-selections <ret> }
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# indent after lines beginning with : or -
try %{ exec -draft k <a-x> <a-k> ^\h*[:-] <ret> j <a-gt> }
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}
}
# Initialization
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
hook -group haml-highlight global WinSetOption filetype=haml %{ add-highlighter window ref haml }
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hook global WinSetOption filetype=haml %{
hook window InsertEnd .* -group haml-hooks haml-filter-around-selections
hook window InsertChar \n -group haml-indent haml-indent-on-new-line
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}
hook -group haml-highlight global WinSetOption filetype=(?!haml).* %{ remove-highlighter window/haml }
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hook global WinSetOption filetype=(?!haml).* %{
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remove-hooks window haml-indent
remove-hooks window haml-hooks
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}