Reorganise rc/ into subdirectories

 * core: set of tools to work on kakoune source code
 * base: very common languages and tools
 * extra: less common languages and tools

1 files changed, 118 insertions, 0 deletions

diff --git a/rc/base/ruby.kak b/rc/base/ruby.kak
new file mode 100644
index 00000000..b95b4068
--- /dev/null
+++ b/rc/base/ruby.kak
@@ -0,0 +1,118 @@
+# http://ruby-lang.org
+# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
+
+# require commenting.kak
+
+# 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 %{
+        # align middle and end structures to start
+        try %{ exec -draft <a-x> <a-k> ^ \h * (else|elsif) $ <ret> <a-\;> <a-?> ^ \h * (if)                                                       <ret> s \A | \Z <ret> \' <a-&> }
+        try %{ exec -draft <a-x> <a-k> ^ \h * (when)       $ <ret> <a-\;> <a-?> ^ \h * (case)                                                     <ret> s \A | \Z <ret> \' <a-&> }
+        try %{ exec -draft <a-x> <a-k> ^ \h * (rescue)     $ <ret> <a-\;> <a-?> ^ \h * (begin)                                                    <ret> s \A | \Z <ret> \' <a-&> }
+        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-&> }
+    }
+}
+
+def -hidden _ruby_indent_on_new_line %{
+    eval -draft -itersel %{
+        # preserve previous line indent
+        try %{ exec -draft 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 start structure
+        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> }
+        # wisely add end structure
+        eval -save-regs x %{
+            try %{ exec -draft k x s ^ \h + <ret> \" x y } catch %{ reg x '' }
+            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> }
+        }
+    }
+}
+
+# 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
+
+    set window comment_line_chars '#'
+    set window comment_selection_chars '^begin=:^=end'
+}
+
+hook global WinSetOption filetype=(?!ruby).* %{
+    rmhl ruby
+    rmhooks window ruby-indent
+    rmhooks window ruby-hooks
+}