# http://ruby-lang.org # ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾ # Detection # ‾‾‾‾‾‾‾‾‾ hook global BufSetOption mimetype=text/x-ruby %{ set buffer filetype ruby } hook global BufCreate .*(([.](rb))|(irbrc)|(pryrc)|(Capfile|[.]cap)|(Gemfile)|(Guardfile)|(Rakefile|[.]rake)|(Thorfile|[.]thor)|(Vagrantfile)) %{ set buffer filetype ruby } # Highlighters # ‾‾‾‾‾‾‾‾‾‾‾‾ addhl -group / regions -default code ruby \ double_string '"' (?<!\\)(\\\\)*" '' \ single_string "'" "'" '' \ backtick '`' (?<!\\)(\\\\)*` '' \ regex '/' (?<!\\)(\\\\)*/[imox]* '' \ comment '#' '$' '' \ comment ^begin= ^=end '' \ literal '%[iqrswxIQRSWX]\(' \) \( \ literal '%[iqrswxIQRSWX]\{' \} \{ \ literal '%[iqrswxIQRSWX]\[' \] \[ \ literal '%[iqrswxIQRSWX]<' > < # Regular expression flags are: i → ignore case, m → multi-lines, o → only interpolate #{} blocks once, x → extended mode (ignore white spaces) # Literals are: i → array of symbols, q → string, r → regular expression, s → symbol, w → array of words, x → capture shell result addhl -group /ruby/double_string fill string addhl -group /ruby/double_string regions regions interpolation \Q#{ \} \{ addhl -group /ruby/double_string/regions/interpolation fill meta addhl -group /ruby/single_string fill string addhl -group /ruby/backtick fill meta addhl -group /ruby/backtick regions regions interpolation \Q#{ \} \{ addhl -group /ruby/backtick/regions/interpolation fill meta addhl -group /ruby/regex fill meta addhl -group /ruby/regex regions regions interpolation \Q#{ \} \{ addhl -group /ruby/regex/regions/interpolation fill meta addhl -group /ruby/comment fill comment addhl -group /ruby/literal fill meta addhl -group /ruby/code regex \<([A-Za-z]\w+:)|([$@][A-Za-z]\w+)|(\W\K:[A-Za-z]\w+[=?!]?) 0:identifier addhl -group /ruby/code regex \<(require|include)\> 0:meta addhl -group /ruby/code regex \<(attr_(reader|writer|accessor))\> 0:attribute # Keywords are collected searching for keyword_ at # https://github.com/ruby/ruby/blob/trunk/parse.y addhl -group /ruby/code regex \<(alias|and|begin|break|case|class|def|defined|do|else|elsif|end|ensure|false|for|if|in|module|next|nil|not|or|redo|rescue|retry|return|self|super|then|true|undef|unless|until|when|while|yield)\> 0:keyword # Commands # ‾‾‾‾‾‾‾‾ def -hidden _ruby_filter_around_selections %{ eval -draft -itersel %{ exec <a-x> # remove trailing white spaces try %{ exec -draft s \h+$ <ret> d } } } def -hidden _ruby_indent_on_char " eval -draft -itersel %_ # deindent on (else|elsif|end|rescue|when) keyword insertion try %{ exec -draft <space> <a-i>w <a-k> (else|elsif|end|rescue|when) <ret> <a-lt> } # align closer token to its opener when alone on a line try %/ exec -draft <a-h> <a-k> ^\h+[]}]$ <ret> m s \`|.\' <ret> 1<a-&> / _ " def -hidden _ruby_indent_on_new_line " eval -draft -itersel ' # preserve previous line indent try %{ exec -draft <space> K <a-&> } # filter previous line try %{ exec -draft k : _ruby_filter_around_selections <ret> } # copy _#_ comment prefix and following white spaces try %{ exec -draft k x s ^\h*\K#\h* <ret> y j p } # indent after (else|elsif|rescue|when) keywords and lines beginning / ending with opener token try %_ exec -draft <space> k x <a-k> (else|elsif|rescue|when)|^\h*[[{]|[[{]$ <ret> j <a-gt> _ # indent after (begin|case|class|def|do|if|loop|module|unless|until|while) keywords and add _end_ keyword try %{ exec -draft <space> k x <a-k> (begin|case|class|def|do|(?<!els)if|loop|module|unless|until|while) <ret> x y p j a end <esc> k <a-gt> } ' " # Initialization # ‾‾‾‾‾‾‾‾‾‾‾‾‾‾ hook global WinSetOption filetype=ruby %{ addhl ref ruby hook window InsertEnd .* -group ruby-hooks _ruby_filter_around_selections hook window InsertChar .* -group ruby-indent _ruby_indent_on_char hook window InsertChar \n -group ruby-indent _ruby_indent_on_new_line } hook global WinSetOption filetype=(?!ruby).* %{ rmhl ruby rmhooks window ruby-indent rmhooks window ruby-hooks }