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kakoune/rc/base/markdown.kak
Tim Allen 7e124eef98 markdown.kak: backtick spans should be non-greedy.
Previously, due to a typo, Kakoune would highlight backtick spans from the first backtick to the last backtick in a paragraph, no matter how many backticks were in between. Now spans correctly stop at the first backtick after the opening backtick.
2018-05-02 13:54:45 +10:00

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# http://daringfireball.net/projects/markdown
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
# Detection
# ‾‾‾‾‾‾‾‾‾
hook global BufCreate .*[.](markdown|md|mkd) %{
set-option buffer filetype markdown
}
# Highlighters
# ‾‾‾‾‾‾‾‾‾‾‾‾
%sh{
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
sass scala scss sh swift tupfile typescript yaml
"
echo 'add-highlighter shared/ regions -default content markdown \'
for lang in ${languages}; do
printf '%s ```\h*%s\\b ``` "" ' "${lang}" "${lang}"
done
echo 'code ``` ``` ""'
for lang in ${languages}; do
ref=$([ "${lang}" = kak ] && echo kakrc || echo "${lang}")
printf '
add-highlighter shared/markdown/%s/ regions -default fence outer inner \A```[^\\n]*\K (?=```) ""
add-highlighter shared/markdown/%s/outer/fence fill meta
add-highlighter shared/markdown/%s/outer/inner ref %s
' "${lang}" "${lang}" "${lang}" "${ref}"
done
}
add-highlighter shared/markdown/code fill meta
# Setext-style header
add-highlighter shared/markdown/content regex (\A|\n\n)[^\n]+\n={2,}\h*\n\h*$ 0:title
add-highlighter shared/markdown/content regex (\A|\n\n)[^\n]+\n-{2,}\h*\n\h*$ 0:header
# Atx-style header
add-highlighter shared/markdown/content regex ^(#+)(\h+)([^\n]+) 1:header
add-highlighter shared/markdown/content regex ^\h?((?:[\s\t]+)?[-\*])\h+[^\n]*(\n\h+[^-\*]\S+[^\n]*\n)*$ 0:list 1:bullet
add-highlighter shared/markdown/content regex \B\+[^\n]+?\+\B 0:mono
add-highlighter shared/markdown/content regex [^`](`([^\s`]|([^\s`](\n?[^\n`])*[^\s`]))`)[^`] 1:mono
add-highlighter shared/markdown/content regex [^`](``([^\s`]|([^\s`](\n?[^\n`])*[^\s`]))``)[^`] 1:mono
add-highlighter shared/markdown/content regex [^*](\*([^\s*]|([^\s*](\n?[^\n*])*[^\s*]))\*)[^*] 1:italic
add-highlighter shared/markdown/content regex [^_](_([^\s_]|([^\s_](\n?[^\n_])*[^\s_]))_)[^_] 1:italic
add-highlighter shared/markdown/content regex [^*](\*\*([^\s*]|([^\s*](\n?[^\n*])*[^\s*]))\*\*)[^*] 1:bold
add-highlighter shared/markdown/content regex [^_](__([^\s_]|([^\s_](\n?[^\n_])*[^\s_]))__)[^_] 1:bold
add-highlighter shared/markdown/content regex <(([a-z]+://.*?)|((mailto:)?[\w+-]+@[a-z]+[.][a-z]+))> 0:link
add-highlighter shared/markdown/content regex ^\[[^\]\n]*\]:\h*([^\n]*) 1:link
add-highlighter shared/markdown/content regex ^\h*(>\h*)+ 0:comment
add-highlighter shared/markdown/content regex \H\K\h\h$ 0:PrimarySelection
# 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 }
# 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 } }
}
}
# Initialization
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
hook -group markdown-highlight global WinSetOption filetype=markdown %{ add-highlighter window ref markdown }
hook global WinSetOption filetype=markdown %{
hook window InsertChar \n -group markdown-indent markdown-indent-on-new-line
}
hook -group markdown-highlight global WinSetOption filetype=(?!markdown).* %{ remove-highlighter window/markdown }
hook global WinSetOption filetype=(?!markdown).* %{
remove-hooks window markdown-indent
}