kakoune/rc/filetype/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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}
# Initialization
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
hook global WinSetOption filetype=markdown %{
require-module markdown
hook window ModeChange pop:insert:.* -group markdown-trim-indent markdown-trim-indent
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hook window InsertChar \n -group markdown-insert markdown-insert-on-new-line
hook window InsertChar \n -group markdown-indent markdown-indent-on-new-line
hook -once -always window WinSetOption filetype=.* %{ remove-hooks window markdown-.+ }
}
hook -group markdown-load-languages global WinSetOption filetype=markdown %{
hook -group markdown-load-languages window NormalIdle .* markdown-load-languages
hook -group markdown-load-languages window InsertIdle .* markdown-load-languages
}
hook -group markdown-highlight global WinSetOption filetype=markdown %{
add-highlighter window/markdown ref markdown
hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/markdown }
}
provide-module 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="
awk c cabal clojure coffee cpp crystal css cucumber d diff dockerfile elixir erlang fish
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gas go haml haskell html ini java javascript json julia kak kickstart
latex lisp lua makefile markdown moon objc ocaml perl pug python ragel
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ruby rust sass scala scss sh swift toml tupfile typescript yaml sql
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"
for lang in ${languages}; do
printf 'add-highlighter shared/markdown/%s region -match-capture ^(\h*)```\h*(%s\\b|\\{[.=]?%s\\}) ^(\h*)``` regions\n' "${lang}" "${lang}" "${lang}"
printf 'add-highlighter shared/markdown/%s/ default-region fill meta\n' "${lang}"
[ "${lang}" = kak ] && ref=kakrc || ref="${lang}"
printf 'add-highlighter shared/markdown/%s/inner region \A\h*```[^\\n]*\K (?=```) ref %s\n' "${lang}" "${ref}"
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done
}
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add-highlighter shared/markdown/listblock region ^\h*[-*]\s ^(?=\S) regions
add-highlighter shared/markdown/listblock/g default-region group
add-highlighter shared/markdown/listblock/g/ ref markdown/inline
add-highlighter shared/markdown/listblock/g/marker regex ^\h*([-*])\s 1:bullet
add-highlighter shared/markdown/codeblock region -match-capture \
^(\h*)```\h* \
^(\h*)```\h*$ \
fill meta
add-highlighter shared/markdown/listblock/codeblock region -match-capture \
^(\h*)```\h* \
^(\h*)```\h*$ \
fill meta
add-highlighter shared/markdown/codeline region "^( {4}|\t)" "$" fill meta
# https://spec.commonmark.org/0.29/#link-destination
add-highlighter shared/markdown/angle_bracket_url region (?<=<)([a-z]+://|(mailto|magnet|xmpp):) (?!\\).(?=>)|\n fill link
add-highlighter shared/markdown/inline/url region -recurse \( ([a-z]+://|(mailto|magnet|xmpp):) (?!\\).(?=\))|\s fill link
add-highlighter shared/markdown/listblock/angle_bracket_url region (?<=<)([a-z]+://|(mailto|magnet|xmpp):) (?!\\).(?=>)|\n fill link
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try %{
require-module html
add-highlighter shared/markdown/inline/tag region (?i)</?[a-z][a-z0-9-]*\s*([a-z_:]|(?=>)) > ref html/tag
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}
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add-highlighter shared/markdown/inline/code region -match-capture (`+) (`+) fill mono
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# Setext-style header
add-highlighter shared/markdown/inline/text/ regex (\A|^\n)[^\n]+\n={2,}\h*\n\h*$ 0:title
add-highlighter shared/markdown/inline/text/ regex (\A|^\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 (?<!\*)(\*([^\s*]|([^\s*](\n?[^\n*])*[^\s*]))\*)(?!\*) 1:+i
add-highlighter shared/markdown/inline/text/ regex (?<!_)(_([^\s_]|([^\s_](\n?[^\n_])*[^\s_]))_)(?!_) 1:+i
add-highlighter shared/markdown/inline/text/ regex (?<!\*)(\*\*([^\s*]|([^\s*](\n?[^\n*])*[^\s*]))\*\*)(?!\*) 1:+b
add-highlighter shared/markdown/inline/text/ regex (?<!_)(__([^\s_]|([^\s_](\n?[^\n_])*[^\s_]))__)(?!_) 1:+b
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add-highlighter shared/markdown/inline/text/ regex ^\h*(>\h*)+ 0:comment
add-highlighter shared/markdown/inline/text/ regex "\H( {2,})$" 1:+r@meta
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# Commands
# ‾‾‾‾‾‾‾‾
define-command -hidden markdown-trim-indent %{
evaluate-commands -no-hooks -draft -itersel %{
execute-keys x
# remove trailing white spaces
try %{ execute-keys -draft s \h + $ <ret> d }
}
}
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define-command -hidden markdown-insert-on-new-line %{
try %{ execute-keys -draft -itersel k x s ^\h*\K((>\h*)+([*+-]\h)?|(>\h*)*[*+-]\h)\h* <ret> y gh j P }
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}
define-command -hidden markdown-indent-on-new-line %{
evaluate-commands -draft -itersel %{
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# preserve previous line indent
try %{ execute-keys -draft <semicolon> K <a-&> }
# remove trailing white spaces
try %{ execute-keys -draft k x s \h+$ <ret> d }
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}
}
define-command -hidden markdown-load-languages %{
evaluate-commands -draft %{ try %{
execute-keys 'gtGbGls```\h*\{?[.=]?\K[^}\s]+<ret>'
evaluate-commands -itersel %{ try %{ require-module %val{selection} } }
}}
}
}