home/rc/base/json.kak
2017-01-04 13:04:27 +01:00

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