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kakoune/rc/extra/pug.kak

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# Note: jade is changing its name to pug (https://github.com/pugjs/pug/issues/2184)
# This appears to be a work in progress -- the pug-lang domain is parked, while
# the jade-lang one is active. This highlighter will recognize .pug and .jade extensions,
# http://jade-lang.com (will be http://pug-lang.com)
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
# Detection
# ‾‾‾‾‾‾‾‾‾
hook global BufCreate .*[.](pug|jade) %{
set buffer filetype pug
}
# Highlighters
# ‾‾‾‾‾‾‾‾‾‾‾‾
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add-highlighter -group / regions -default code pug \
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text ^\h*\|\s $ '' \
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text ^\h*([A-Za-z][A-Za-z0-9_-]*)?(\#[A-Za-z][A-Za-z0-9_-]*)?((?:\.[A-Za-z][A-Za-z0-9_-]*)*)?(?<=\S)\h+\K.* $ '' \
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javascript ^\h*[-=!] $ '' \
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double_string '"' (?:(?<!\\)(\\\\)*"|$) '' \
single_string "'" (?:(?<!\\)(\\\\)*'|$) '' \
comment // $ '' \
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attribute \( \) \( \
puglang ^\h*\b(\block|extends|include|append|prepend|if|unless|else|case|when|default|each|while|mixin)\b $ '' \
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# Filters
# ‾‾‾‾‾‾‾
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add-highlighter -group /pug/double_string fill string
add-highlighter -group /pug/single_string fill string
add-highlighter -group /pug/comment fill comment
add-highlighter -group /pug/javascript ref javascript
add-highlighter -group /pug/attribute ref javascript
add-highlighter -group /pug/puglang ref javascript
add-highlighter -group /pug/puglang regex \b(\block|extends|include|append|prepend|if|unless|else|case|when|default|each|while|mixin|of|in)\b 0:keyword
add-highlighter -group /pug/attribute regex [()=] 0:operator
add-highlighter -group /pug/text regex \h*(\|) 1:meta
add-highlighter -group /pug/code regex ^\h*([A-Za-z][A-Za-z0-9_-]*) 1:type
add-highlighter -group /pug/code regex (\#[A-Za-z][A-Za-z0-9_-]*) 1:variable
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add-highlighter -group /pug/code regex ((?:\.[A-Za-z][A-Za-z0-9_-]*)*) 1:value
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# Commands
# ‾‾‾‾‾‾‾‾
def -hidden pug-filter-around-selections %{
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# remove trailing white spaces
try %{ exec -draft -itersel <a-x> s \h+$ <ret> d }
}
def -hidden pug-indent-on-new-line %{
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eval -draft -itersel %{
# preserve previous line indent
try %{ exec -draft \; K <a-&> }
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# filter previous line
try %{ exec -draft k : pug-filter-around-selections <ret> }
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# copy '//', '|', '-' or '(!)=' prefix and following whitespace
try %{ exec -draft k <a-x> s ^\h*\K[/|!=-]{1,2}\h* <ret> y gh j P }
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# indent unless we copied something above
try %{ exec -draft <a-gt> <space> b s \S <ret> g l <a-lt> }
}
}
# Initialization
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
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hook -group pug-highlight global WinSetOption filetype=pug %{ add-highlighter ref pug }
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hook global WinSetOption filetype=pug %{
hook window InsertEnd .* -group pug-hooks pug-filter-around-selections
hook window InsertChar \n -group pug-indent pug-indent-on-new-line
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}
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hook -group pug-highlight global WinSetOption filetype=(?!pug).* %{ remove-highlighter pug }
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hook global WinSetOption filetype=(?!pug).* %{
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remove-hooks window pug-indent
remove-hooks window pug-hooks
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}