add rc/css.kak

rc/css.kak

@@ -0,0 +1,84 @@
+# http://w3.org/Style/CSS
+# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
+
+# Detection
+# ‾‾‾‾‾‾‾‾‾
+
+hook global BufSetOption mimetype=text/x-css %{
+    set buffer filetype css
+}
+
+hook global BufCreate .*[.](css) %{
+    set buffer filetype css
+}
+
+# Highlighters
+# ‾‾‾‾‾‾‾‾‾‾‾‾
+
+addhl -group / regions -default selector css \
+    declaration [{] [}]                   '' \
+    comment    /[*] [*]/                  ''
+
+addhl -group /css/comment fill comment
+
+addhl -group /css/declaration regions content \
+    string '"' (?<!\\)(\\\\)*"             '' \
+    string "'" "'"                         ''
+
+addhl -group /css/declaration/content/string fill string
+
+addhl -group /css/declaration regex (#[0-9A-Fa-f]+)|((\d*\.)?\d+(em|px)) 0:value
+addhl -group /css/declaration regex ([A-Za-z][A-Za-z0-9_-]*)\h*: 1:keyword
+addhl -group /css/declaration regex :(before|after) 0:attribute
+addhl -group /css/declaration regex !important 0:keyword
+
+# element#id element.class
+# universal selector
+addhl -group /css/selector regex         [A-Za-z][A-Za-z0-9_-]* 0:keyword
+addhl -group /css/selector regex [*]|[#.][A-Za-z][A-Za-z0-9_-]* 0:identifier
+
+# Commands
+# ‾‾‾‾‾‾‾‾
+
+def -hidden _css_filter_around_selections %{
+    eval -draft -itersel %{
+        exec <a-x>
+        # remove trailing white spaces
+        try %{ exec -draft s \h+$ <ret> d }
+    }
+}
+
+def -hidden _css_indent_on_new_line %[
+    eval -draft -itersel %[
+        # preserve previous line indent
+        try %[ exec -draft <space> K <a-&> ]
+        # filter previous line
+        try %[ exec -draft k : _css_filter_around_selections <ret> ]
+        # indent after lines ending with with {
+        try %[ exec -draft k x <a-k> \{$ <ret> j <a-gt> ]
+    ]
+]
+
+def -hidden _css_indent_on_closing_curly_brace %[
+    eval -draft -itersel %[
+        # align to opening curly brace when alone on a line
+        try %[ exec -draft <a-h> <a-k> ^\h+\}$ <ret> m s \`|.\' <ret> 1<a-&> ]
+    ]
+]
+
+# Initialization
+# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
+
+hook global WinSetOption filetype=css %[
+    addhl ref css
+
+    hook window InsertEnd  .* -group css-hooks  _css_filter_around_selections
+    hook window InsertChar \n -group css-indent _css_indent_on_new_line
+    hook window InsertChar \} -group css-indent _css_indent_on_closing_curly_brace
+]
+
+hook global WinSetOption filetype=(?!css).* %{
+    rmhl css
+    rmhooks window css-indent
+    rmhooks window css-hooks
+}