kakoune/rc/core/commenting.kak

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## Characters that will be inserted at the beginning of a line to comment
decl str comment_line_chars "#"
## Characters that will be used to surround a selection with
decl str-list comment_selection_chars ""
## Default characters for all languages
hook global BufSetOption filetype=asciidoc %{
set buffer comment_selection_chars '///:///'
}
hook global BufSetOption filetype=(c|cpp|go|java|javascript|objc|sass|scala|scss|swift) %{
set buffer comment_line_chars '//'
set buffer comment_selection_chars '/*:*/'
}
hook global BufSetOption filetype=(cabal|haskell|moon) %{
set buffer comment_line_chars '--'
}
hook global BufSetOption filetype=clojure %{
set buffer comment_line_chars '#_ '
set buffer comment_selection_chars '(comment :)'
}
hook global BufSetOption filetype=coffee %{
set buffer comment_selection_chars '###:###'
}
hook global BufSetOption filetype=css %{
set buffer comment_line_chars ''
set buffer comment_selection_chars '/*:*/'
}
hook global BufSetOption filetype=d %{
set buffer comment_line_chars '//'
set buffer comment_selection_chars '/+:+/'
}
hook global BufSetOption filetype=(gas|ini) %{
set buffer comment_line_chars ';'
}
hook global BufSetOption filetype=haml %{
set buffer comment_line_chars '-#'
}
hook global BufSetOption filetype=html %{
set buffer comment_line_chars ''
set buffer comment_selection_chars '<!--:-->'
}
hook global BufSetOption filetype=latex %{
set buffer comment_line_chars '%'
}
hook global BufSetOption filetype=lisp %{
set buffer comment_line_chars ';'
set buffer comment_selection_chars '#|:|#'
}
hook global BufSetOption filetype=lua %{
set buffer comment_line_chars '--'
set buffer comment_selection_chars '--[[:]]'
}
hook global BufSetOption filetype=markdown %{
set buffer comment_line_chars ''
set buffer comment_selection_chars '[//]: # (:)'
}
hook global BufSetOption filetype=perl %{
set buffer comment_selection_chars '#[:]'
}
hook global BufSetOption filetype=(pug|rust) %{
set buffer comment_line_chars '//'
}
hook global BufSetOption filetype=python %{
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set buffer comment_selection_chars '\'\'\':\'\'\''
}
hook global BufSetOption filetype=ragel %{
set buffer comment_line_chars '%%'
set buffer comment_selection_chars '%%{:}%%'
}
hook global BufSetOption filetype=ruby %{
set buffer comment_selection_chars '^begin=:^=end'
}
def comment-selection -docstring "Comment/uncomment the current selection" %{
%sh{
exec_proof() {
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## Replace the '<' sign that is interpreted differently in `exec`
printf %s\\n "$@" | sed 's,<,<lt>,g'
}
readonly opening=$(exec_proof "${kak_opt_comment_selection_chars%:*}")
readonly closing=$(exec_proof "${kak_opt_comment_selection_chars##*:}")
if [ -z "${opening}" ] || [ -z "${closing}" ]; then
echo "echo -debug 'The \`comment_selection_chars\` variable is empty, could not comment the selection'"
exit
fi
printf %s\\n "eval -draft %{ try %{
## The selection is empty
exec <a-K>\\A[\\h\\v\\n]*\\z<ret>
try %{
## The selection has already been commented
exec %{<a-K>\\A\\Q${opening}\\E.*\\Q${closing}\\E\\n*\\z<ret>}
## Comment the selection
exec -draft %{a${closing}<esc>i${opening}}
} catch %{
## Uncomment the commented selection
exec -draft %{s(\\A\\Q${opening}\\E)|(\\Q${closing}\\E\\n*\\z)<ret>d}
}
} }"
}
}
def comment-line -docstring "Comment/uncomment the current line" %{
%sh{
readonly opening="${kak_opt_comment_line_chars}"
readonly opening_escaped="\\Q${opening}\\E"
if [ -z "${opening}" ]; then
echo "echo -debug 'The \`comment_line_chars\` variable is empty, could not comment the line'"
exit
fi
printf %s\\n "eval -draft %{
## Select the content of the line, without indentation
exec I<esc><a-l>
try %{
## There's no text on the line
exec <a-K>\\A[\\h\\v\\n]*\\z<ret>
try %{
## The line has already been commented
exec %{<a-K>\\A${opening_escaped}<ret>}
## Comment the line
exec -draft %{i${opening}}
} catch %{
## Uncomment the line
exec -draft %{s\\A${opening_escaped}\\h*<ret>d}
}
}
}"
}
}