kakoune/rc/base/yaml.kak

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# http://yaml.org
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
# Detection
# ‾‾‾‾‾‾‾‾‾
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hook global BufCreate .*[.](ya?ml) %{
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set buffer filetype yaml
}
# Highlighters
# ‾‾‾‾‾‾‾‾‾‾‾‾
add-highlighter shared/ regions -default code yaml \
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double_string '"' (?<!\\)(\\\\)*" '' \
single_string "'" "'" '' \
comment '#' '$' ''
add-highlighter shared/yaml/double_string fill string
add-highlighter shared/yaml/single_string fill string
add-highlighter shared/yaml/comment fill comment
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add-highlighter shared/yaml/code regex ^(---|\.\.\.)$ 0:meta
add-highlighter shared/yaml/code regex ^(\h*:\w*) 0:keyword
add-highlighter shared/yaml/code regex \b(true|false|null)\b 0:value
add-highlighter shared/yaml/code regex ^\h*-?\h*(\S+): 1:attribute
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# Commands
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# ‾‾‾‾‾‾‾‾
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def -hidden yaml-filter-around-selections %{
# remove trailing white spaces
try %{ exec -draft -itersel <a-x> s \h+$ <ret> d }
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}
def -hidden yaml-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 : yaml-filter-around-selections <ret> }
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# indent after :
try %{ exec -draft <space> k x <a-k> :$ <ret> j <a-gt> }
}
}
# Initialization
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
hook -group yaml-highlight global WinSetOption filetype=yaml %{ add-highlighter window ref yaml }
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hook global WinSetOption filetype=yaml %{
hook window InsertEnd .* -group yaml-hooks yaml-filter-around-selections
hook window InsertChar \n -group yaml-indent yaml-indent-on-new-line
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}
hook -group yaml-highlight global WinSetOption filetype=(?!yaml).* %{ remove-highlighter window/yaml }
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hook global WinSetOption filetype=(?!yaml).* %{
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remove-hooks window yaml-indent
remove-hooks window yaml-hooks
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}