kakoune/rc/extra/haml.kak

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# http://haml.info
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
# Detection
# ‾‾‾‾‾‾‾‾‾
hook global BufSetOption mimetype=text/x-haml %{
set buffer filetype haml
}
hook global BufCreate .*[.](haml) %{
set buffer filetype haml
}
# Highlighters
# ‾‾‾‾‾‾‾‾‾‾‾‾
addhl -group / regions -default code haml \
comment ^\h*/ $ '' \
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*[%=-]) '' \
sass ^\h*:sass\K (?=^\h*[%=-]) ''
# Filters
# http://haml.info/docs/yardoc/file.REFERENCE.html#filters
addhl -group /haml/comment fill comment
addhl -group /haml/eval ref ruby
addhl -group /haml/coffee ref coffee
addhl -group /haml/sass ref sass
addhl -group /haml/code regex ^\h*(:[a-z]+|-|=)|^(!!!)$ 0:meta
addhl -group /haml/code regex ^\h*%([A-Za-z][A-Za-z0-9_-]*)([#.][A-Za-z][A-Za-z0-9_-]*)? 1:keyword 2:identifier
# 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 %{
eval -draft -itersel %{
# preserve previous line indent
try %{ exec -draft <space> K <a-&> }
# filter previous line
try %{ exec -draft k : _haml_filter_around_selections <ret> }
# copy '/' comment prefix and following white spaces
try %{ exec -draft k x s ^\h*\K/\h* <ret> y j p }
# indent after lines beginning with : or -
try %{ exec -draft k x <a-k> ^\h*[:-] <ret> j <a-gt> }
}
}
# Initialization
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
hook -group haml-highlight global WinSetOption filetype=haml %{ addhl ref haml }
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hook global WinSetOption filetype=haml %{
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hook window InsertEnd .* -group haml-hooks _haml_filter_around_selections
hook window InsertChar \n -group haml-indent _haml_indent_on_new_line
}
hook global WinSetOption filetype=(?!haml).* %{
rmhl haml
rmhooks window haml-indent
rmhooks window haml-hooks
}