kakoune/rc/base/html.kak

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