kakoune/rc/base/html.kak

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# http://w3.org/html
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
# Detection
# ‾‾‾‾‾‾‾‾‾
hook global BufCreate .*\.html %{
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set buffer filetype html
}
hook global BufCreate .*\.xml %{
set buffer filetype xml
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}
# Highlighters
# ‾‾‾‾‾‾‾‾‾‾‾‾
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add-highlighter -group / regions html \
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comment <!-- --> '' \
tag < > '' \
style <style\b.*?>\K (?=</style>) '' \
script <script\b.*?>\K (?=</script>) ''
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add-highlighter -group /html/comment fill comment
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add-highlighter -group /html/style ref css
add-highlighter -group /html/script ref javascript
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add-highlighter -group /html/tag regex \b([a-zA-Z0-9_-]+)=? 1:attribute
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add-highlighter -group /html/tag regex </?(\w+) 1:keyword
add-highlighter -group /html/tag regex <(!DOCTYPE(\h+\w+)+) 1:meta
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add-highlighter -group /html/tag regions content \
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string '"' (?<!\\)(\\\\)*" '' \
string "'" "'" ''
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add-highlighter -group /html/tag/content/string fill string
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# Commands
# ‾‾‾‾‾‾‾‾
def -hidden html-filter-around-selections %{
# remove trailing white spaces
try %{ exec -draft -itersel <a-x> s \h+$ <ret> d }
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}
def -hidden html-indent-on-char %{
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eval -draft -itersel %{
# align closing tag to opening when alone on a line
try %{ exec -draft <space> <a-h> s ^\h+</(\w+)>$ <ret> <a-\;> <a-?> <lt><c-r>1 <ret> s \`|.\' <ret> <a-r> 1<a-&> }
}
}
def -hidden html-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 : html-filter-around-selections <ret> }
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# indent after lines ending with opening tag
try %{ exec -draft k <a-x> <a-k> <[^/][^>]+>$ <ret> j <a-gt> }
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}
}
# Initialization
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
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hook -group html-highlight global WinSetOption filetype=(?:html|xml) %{ add-highlighter ref html }
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hook global WinSetOption filetype=(?:html|xml) %{
hook window InsertEnd .* -group html-hooks html-filter-around-selections
hook window InsertChar .* -group html-indent html-indent-on-char
hook window InsertChar \n -group html-indent html-indent-on-new-line
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}
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hook -group html-highlight global WinSetOption filetype=(?!html|xml).* %{ remove-highlighter html }
hook global WinSetOption filetype=(?!html|xml).* %{
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remove-hooks window html-indent
remove-hooks window html-hooks
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}