kakoune/rc/base/json.kak

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# http://json.org
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
# Detection
# ‾‾‾‾‾‾‾‾‾
hook global BufCreate .*[.](json) %{
set buffer filetype json
}
# Highlighters
# ‾‾‾‾‾‾‾‾‾‾‾‾
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add-highlighter -group / regions -default code json \
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string '"' (?<!\\)(\\\\)*" ''
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add-highlighter -group /json/string fill string
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add-highlighter -group /json/code regex \b(true|false|null|\d+(?:\.\d+)?(?:[eE][+-]?\d*)?)\b 0:value
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# Commands
# ‾‾‾‾‾‾‾‾
def -hidden json-filter-around-selections %{
# remove trailing white spaces
try %{ exec -draft -itersel <a-x> s \h+$ <ret> d }
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}
def -hidden json-indent-on-char %<
eval -draft -itersel %<
# align closer token to its opener when alone on a line
try %< exec -draft <a-h> <a-k> ^\h+[]}]$ <ret> m s \A|.\z <ret> 1<a-&> >
>
>
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def -hidden json-indent-on-new-line %<
eval -draft -itersel %<
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# preserve previous line indent
try %{ exec -draft \; K <a-&> }
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# filter previous line
try %{ exec -draft k : json-filter-around-selections <ret> }
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# indent after lines beginning with opener token
try %< exec -draft k <a-x> <a-k> ^\h*[[{] <ret> j <a-gt> >
>
>
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# Initialization
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
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hook -group json-highlight global WinSetOption filetype=json %{ add-highlighter ref json }
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hook global WinSetOption filetype=json %{
hook window InsertEnd .* -group json-hooks json-filter-around-selections
hook window InsertChar .* -group json-indent json-indent-on-char
hook window InsertChar \n -group json-indent json-indent-on-new-line
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}
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hook -group json-highlight global WinSetOption filetype=(?!json).* %{ remove-highlighter json }
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hook global WinSetOption filetype=(?!json).* %{
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remove-hooks window json-indent
remove-hooks window json-hooks
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}