add rc/sass.kak

rc/sass.kak

@@ -0,0 +1,71 @@
+# http://sass-lang.com
+# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
+
+# Detection
+# ‾‾‾‾‾‾‾‾‾
+
+hook global BufSetOption mimetype=text/x-sass %{
+    set buffer filetype sass
+}
+
+hook global BufCreate .*[.](sass) %{
+    set buffer filetype sass
+}
+
+# Highlighters
+# ‾‾‾‾‾‾‾‾‾‾‾‾
+
+addhl -group / regions -default code sass \
+    string  '"' (?<!\\)(\\\\)*"        '' \
+    string  "'" "'"                    '' \
+    comment '/' '$'                    ''
+
+addhl -group /sass/string  fill string
+addhl -group /sass/comment fill comment
+
+addhl -group /sass/code regex [*]|[#.][A-Za-z][A-Za-z0-9_-]* 0:identifier
+addhl -group /sass/code regex &|@[A-Za-z][A-Za-z0-9_-]* 0:meta
+addhl -group /sass/code regex (#[0-9A-Fa-f]+)|((\d*\.)?\d+(em|px)) 0:value
+addhl -group /sass/code regex ([A-Za-z][A-Za-z0-9_-]*)\h*: 1:keyword
+addhl -group /sass/code regex :(before|after) 0:attribute
+addhl -group /sass/code regex !important 0:keyword
+
+# Commands
+# ‾‾‾‾‾‾‾‾
+
+def -hidden _sass_filter_around_selections %{
+    eval -draft -itersel %{
+        exec <a-x>
+        # remove trailing white spaces
+        try %{ exec -draft s \h+$ <ret> d }
+    }
+}
+
+def -hidden _sass_indent_on_new_line %{
+    eval -draft -itersel %{
+        # preserve previous line indent
+        try %{ exec -draft <space> K <a-&> }
+        # filter previous line
+        try %{ exec -draft k : _sass_filter_around_selections <ret> }
+        # copy '/' comment prefix and following white spaces
+        try %{ exec -draft k x s ^\h*\K/\h* <ret> y j p }
+        # avoid indent after properties and comments
+        try %{ exec -draft k x <a-K> [:/] <ret> j <a-gt> }
+    }
+}
+
+# Initialization
+# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
+
+hook global WinSetOption filetype=sass %{
+    addhl ref sass
+
+    hook window InsertEnd  .* -group sass-hooks  _sass_filter_around_selections
+    hook window InsertChar \n -group sass-indent _sass_indent_on_new_line
+}
+
+hook global WinSetOption filetype=(?!sass).* %{
+    rmhl sass
+    rmhooks window sass-indent
+    rmhooks window sass-hooks
+}