119 lines
5.0 KiB
Plaintext
119 lines
5.0 KiB
Plaintext
# http://ruby-lang.org
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# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
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# require commenting.kak
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# Detection
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# ‾‾‾‾‾‾‾‾‾
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hook global BufSetOption mimetype=text/x-ruby %{
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set buffer filetype ruby
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}
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hook global BufCreate .*(([.](rb))|(irbrc)|(pryrc)|(Capfile|[.]cap)|(Gemfile)|(Guardfile)|(Rakefile|[.]rake)|(Thorfile|[.]thor)|(Vagrantfile)) %{
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set buffer filetype ruby
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}
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# Highlighters
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# ‾‾‾‾‾‾‾‾‾‾‾‾
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addhl -group / regions -default code ruby \
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double_string '"' (?<!\\)(\\\\)*" '' \
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single_string "'" (?<!\\)(\\\\)*' '' \
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backtick '`' (?<!\\)(\\\\)*` '' \
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regex '/' (?<!\\)(\\\\)*/[imox]* '' \
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comment '#' '$' '' \
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comment ^begin= ^=end '' \
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literal '%[iqrswxIQRSWX]\(' \) \( \
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literal '%[iqrswxIQRSWX]\{' \} \{ \
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literal '%[iqrswxIQRSWX]\[' \] \[ \
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literal '%[iqrswxIQRSWX]<' > <
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# Regular expression flags are: i → ignore case, m → multi-lines, o → only interpolate #{} blocks once, x → extended mode (ignore white spaces)
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# Literals are: i → array of symbols, q → string, r → regular expression, s → symbol, w → array of words, x → capture shell result
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addhl -group /ruby/double_string fill string
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addhl -group /ruby/double_string regions regions interpolation \Q#{ \} \{
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addhl -group /ruby/double_string/regions/interpolation fill meta
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addhl -group /ruby/single_string fill string
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addhl -group /ruby/backtick fill meta
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addhl -group /ruby/backtick regions regions interpolation \Q#{ \} \{
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addhl -group /ruby/backtick/regions/interpolation fill meta
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addhl -group /ruby/regex fill meta
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addhl -group /ruby/regex regions regions interpolation \Q#{ \} \{
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addhl -group /ruby/regex/regions/interpolation fill meta
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addhl -group /ruby/comment fill comment
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addhl -group /ruby/literal fill meta
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addhl -group /ruby/code regex \<([A-Za-z]\w*:)|([$@][A-Za-z]\w*)|(\W\K:[A-Za-z]\w*[=?!]?) 0:identifier
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addhl -group /ruby/code regex \<(require|include)\> 0:meta
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addhl -group /ruby/code regex \<(attr_(reader|writer|accessor))\> 0:attribute
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# Keywords are collected searching for keyword_ at
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# https://github.com/ruby/ruby/blob/trunk/parse.y
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addhl -group /ruby/code regex \<(alias|and|begin|break|case|class|def|defined|do|else|elsif|end|ensure|false|for|if|in|module|next|nil|not|or|redo|rescue|retry|return|self|super|then|true|undef|unless|until|when|while|yield)\> 0:keyword
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# Commands
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# ‾‾‾‾‾‾‾‾
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def -hidden _ruby_filter_around_selections %{
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eval -draft -itersel %{
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exec <a-x>
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# remove trailing white spaces
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try %{ exec -draft s \h + $ <ret> d }
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}
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}
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def -hidden _ruby_indent_on_char %{
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eval -draft -itersel %{
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# align middle and end structures to start
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try %{ exec -draft <a-x> <a-k> ^ \h * (else|elsif) $ <ret> <a-\;> <a-?> ^ \h * (if) <ret> s \A | \Z <ret> \' <a-&> }
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try %{ exec -draft <a-x> <a-k> ^ \h * (when) $ <ret> <a-\;> <a-?> ^ \h * (case) <ret> s \A | \Z <ret> \' <a-&> }
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try %{ exec -draft <a-x> <a-k> ^ \h * (rescue) $ <ret> <a-\;> <a-?> ^ \h * (begin) <ret> s \A | \Z <ret> \' <a-&> }
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try %{ exec -draft <a-x> <a-k> ^ \h * (end) $ <ret> <a-\;> <a-?> ^ \h * (begin|case|class|def|do|for|if|module|unless|until|while) <ret> s \A | \Z <ret> \' <a-&> }
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}
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}
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def -hidden _ruby_indent_on_new_line %{
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eval -draft -itersel %{
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# preserve previous line indent
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try %{ exec -draft K <a-&> }
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# filter previous line
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try %{ exec -draft k : _ruby_filter_around_selections <ret> }
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# copy _#_ comment prefix and following white spaces
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try %{ exec -draft k x s ^ \h * \K \# \h * <ret> y j p }
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# indent after start structure
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try %{ exec -draft k x <a-k> ^ \h * (begin|case|class|def|do|else|elsif|ensure|for|if|module|rescue|unless|until|when|while) \b <ret> j <a-gt> }
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# wisely add end structure
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eval -save-regs x %{
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try %{ exec -draft k x s ^ \h + <ret> \" x y } catch %{ reg x '' }
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try %{ exec -draft k x <a-k> ^ <c-r> x (begin|case|class|def|do|for|if|module|unless|until|while) <ret> j <a-a> i X <a-\;> K <a-K> ^ <c-r> x (for|function|if|while) . * \n <c-r> x end $ <ret> j x y p j a end <esc> <a-lt> }
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}
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}
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}
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# Initialization
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# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
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hook global WinSetOption filetype=ruby %{
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addhl ref ruby
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hook window InsertEnd .* -group ruby-hooks _ruby_filter_around_selections
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hook window InsertChar .* -group ruby-indent _ruby_indent_on_char
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hook window InsertChar \n -group ruby-indent _ruby_indent_on_new_line
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set window comment_line_chars '#'
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set window comment_selection_chars '^begin=:^=end'
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}
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hook global WinSetOption filetype=(?!ruby).* %{
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rmhl ruby
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rmhooks window ruby-indent
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rmhooks window ruby-hooks
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}
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