kakoune/rc/base/html.kak
Maxime Coste 0fa59e5fd2 rc/: Tweak some regexes to be compatible with our impl limitations
The upcoming custom implementation does not support arbitrary lookarounds,
and other advanced regex features. Simplify the regexes to avoid those.
2017-10-25 10:27:39 +08:00

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