kakoune/rc/base/markdown.kak

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# http://daringfireball.net/projects/markdown
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
# Detection
# ‾‾‾‾‾‾‾‾‾
hook global BufCreate .*[.](markdown|md|mkd) %{
set-option buffer filetype markdown
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}
# Highlighters
# ‾‾‾‾‾‾‾‾‾‾‾‾
add-highlighter shared/markdown regions
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add-highlighter shared/markdown/inline default-region regions
add-highlighter shared/markdown/inline/text default-region group
evaluate-commands %sh{
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languages="
c cabal clojure coffee cpp css cucumber d diff dockerfile fish gas go
haml haskell html ini java javascript json julia kak kickstart latex
lisp lua makefile markdown moon objc perl pug python ragel ruby rust
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sass scala scss sh swift tupfile typescript yaml sql
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"
for lang in ${languages}; do
printf 'add-highlighter shared/markdown/%s region -match-capture ^(\h*)```\h*%s\\b ^(\h*)``` regions\n' "${lang}" "${lang}"
printf 'add-highlighter shared/markdown/%s/ default-region fill meta\n' "${lang}"
[ "${lang}" = kak ] && ref=kakrc || ref="${lang}"
printf 'add-highlighter shared/markdown/%s/inner region \A```[^\\n]*\K (?=```) ref %s\n' "${lang}" "${ref}"
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done
}
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add-highlighter shared/markdown/codeblock region -match-capture \
^(\h*)```\h* \
^(\h*)```\h*$ \
fill meta
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add-highlighter shared/markdown/listblock region ^\h*[-*]\s ^\h*((?=[-*])|$) regions
add-highlighter shared/markdown/listblock/marker region \A [-*]\s fill bullet
add-highlighter shared/markdown/listblock/content default-region ref markdown/inline
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add-highlighter shared/markdown/inline/code region -match-capture (`+) (`+) fill mono
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# Setext-style header
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add-highlighter shared/markdown/inline/text/ regex (\A|\n\n)[^\n]+\n={2,}\h*\n\h*$ 0:title
add-highlighter shared/markdown/inline/text/ regex (\A|\n\n)[^\n]+\n-{2,}\h*\n\h*$ 0:header
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# Atx-style header
add-highlighter shared/markdown/inline/text/ regex ^#[^\n]* 0:header
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add-highlighter shared/markdown/inline/text/ regex \B\+[^\n]+?\+\B 0:mono
add-highlighter shared/markdown/inline/text/ regex (?<!\*)(\*([^\s*]|([^\s*](\n?[^\n*])*[^\s*]))\*)(?!\*) 1:italic
add-highlighter shared/markdown/inline/text/ regex (?<!_)(_([^\s_]|([^\s_](\n?[^\n_])*[^\s_]))_)(?!_) 1:italic
add-highlighter shared/markdown/inline/text/ regex (?<!\*)(\*\*([^\s*]|([^\s*](\n?[^\n*])*[^\s*]))\*\*)(?!\*) 1:bold
add-highlighter shared/markdown/inline/text/ regex (?<!_)(__([^\s_]|([^\s_](\n?[^\n_])*[^\s_]))__)(?!_) 1:bold
add-highlighter shared/markdown/inline/text/ regex <(([a-z]+://.*?)|((mailto:)?[\w+-]+@[a-z]+[.][a-z]+))> 0:link
add-highlighter shared/markdown/inline/text/ regex ^\[[^\]\n]*\]:\h*([^\n]*) 1:link
add-highlighter shared/markdown/inline/text/ regex ^\h*(>\h*)+ 0:comment
add-highlighter shared/markdown/inline/text/ regex \H\K\h\h$ 0:PrimarySelection
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# Commands
# ‾‾‾‾‾‾‾‾
define-command -hidden markdown-indent-on-new-line %{
evaluate-commands -draft -itersel %{
# copy block quote(s), list item prefix and following white spaces
try %{ execute-keys -draft k <a-x> s ^\h*\K((>\h*)+([*+-]\h)?|(>\h*)*[*+-]\h)\h* <ret> y gh j P }
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# preserve previous line indent
try %{ execute-keys -draft \; K <a-&> }
# remove trailing white spaces
try %{ execute-keys -draft -itersel %{ k<a-x> s \h+$ <ret> d } }
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}
}
# Initialization
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
hook -group markdown-highlight global WinSetOption filetype=markdown %{
add-highlighter window/markdown ref markdown
hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/markdown }
}
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hook global WinSetOption filetype=markdown %{
hook window InsertChar \n -group markdown-indent markdown-indent-on-new-line
hook -once -always window WinSetOption filetype=.* %{ remove-hooks window markdown-.+ }
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}