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kakoune/rc/base/html.kak
Olivier Perret f085e43bf9 Unify auto-indent trimming hooks
* ModeChange hooks that remove indent now belong to *-trim-indent groups, instead of just -indent
* *-filter-around-selections hooks and commands have been renamed to trim-indent for clarity
2018-12-19 10:20:11 +01:00

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# http://w3.org/html
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
# Detection
# ‾‾‾‾‾‾‾‾‾
hook global BufCreate .*\.html %{
set-option buffer filetype html
}
hook global BufCreate .*\.xml %{
set-option buffer filetype xml
}
# 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
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
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
# Commands
# ‾‾‾‾‾‾‾‾
define-command -hidden html-trim-indent %{
# remove trailing white spaces
try %{ execute-keys -draft -itersel <a-x> s \h+$ <ret> d }
}
define-command -hidden html-indent-on-greater-than %[
evaluate-commands -draft -itersel %[
# 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-&> ]
]
]
define-command -hidden html-indent-on-new-line %{
evaluate-commands -draft -itersel %{
# preserve previous line indent
try %{ execute-keys -draft \; K <a-&> }
# filter previous line
try %{ execute-keys -draft k : html-trim-indent <ret> }
# indent after lines ending with opening tag
try %{ execute-keys -draft k <a-x> <a-k> <lt>(?!area)(?!base)(?!br)(?!col)(?!command)(?!embed)(?!hr)(?!img)(?!input)(?!keygen)(?!link)(?!menuitem)(?!meta)(?!param)(?!source)(?!track)(?!wbr)(?!/)(?!>)[a-zA-Z0-9_-]+[^>]*?>$ <ret> j <a-gt> } }
}
# Initialization
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
hook -group html-highlight global WinSetOption filetype=(html|xml) %{
add-highlighter "window/%val{hook_param_capture_1}" ref html
hook -once -always window WinSetOption "filetype=.*" "
remove-highlighter ""window/%val{hook_param_capture_1}""
"
}
hook global WinSetOption filetype=(html|xml) %{
hook window ModeChange insert:.* -group "%val{hook_param_capture_1}-trim-indent" html-trim-indent
hook window InsertChar '>' -group "%val{hook_param_capture_1}-indent" html-indent-on-greater-than
hook window InsertChar \n -group "%val{hook_param_capture_1}-indent" html-indent-on-new-line
hook -once -always window WinSetOption "filetype=.*" "
remove-hooks window ""%val{hook_param_capture_1}-.+""
"
}