add rc/haml.kak

rc/haml.kak

@@ -0,0 +1,75 @@
+# http://haml.info
+# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
+
+# Detection
+# ‾‾‾‾‾‾‾‾‾
+
+hook global BufSetOption mimetype=text/x-haml %{
+    set buffer filetype haml
+}
+
+hook global BufCreate .*[.](haml) %{
+    set buffer filetype haml
+}
+
+# Highlighters
+# ‾‾‾‾‾‾‾‾‾‾‾‾
+
+addhl -group / regions -default code haml                                                         \
+    comment ^\h*/                                                                 $            '' \
+    eval    ^\h*%([A-Za-z][A-Za-z0-9_-]*)([#.][A-Za-z][A-Za-z0-9_-]*)?\{\K|#\{\K (?=\})        \{ \
+    eval    ^\h*[=-]\K                                                           (?=[^|]\n)    '' \
+    coffee  ^\h*:coffee\K                                                        (?=^\h*[%=-]) '' \
+    sass    ^\h*:sass\K                                                          (?=^\h*[%=-]) ''
+
+# Filters
+# http://haml.info/docs/yardoc/file.REFERENCE.html#filters
+
+addhl -group /haml/comment fill comment
+
+addhl -group /haml/eval   ref ruby
+addhl -group /haml/coffee ref coffee
+addhl -group /haml/sass   ref sass
+
+addhl -group /haml/code regex ^\h*(:[a-z]+|-|=)|^(!!!)$ 0:meta
+addhl -group /haml/code regex ^\h*%([A-Za-z][A-Za-z0-9_-]*)([#.][A-Za-z][A-Za-z0-9_-]*)? 1:keyword 2:identifier
+
+# Commands
+# ‾‾‾‾‾‾‾‾
+
+def -hidden _haml_filter_around_selections %{
+    eval -draft -itersel %{
+        exec <a-x>
+        # remove trailing white spaces
+        try %{ exec -draft s \h+$ <ret> d }
+    }
+}
+
+def -hidden _haml_indent_on_new_line %{
+    eval -draft -itersel %{
+        # preserve previous line indent
+        try %{ exec -draft <space> K <a-&> }
+        # filter previous line
+        try %{ exec -draft k : _haml_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 lines beginning with : or -
+        try %{ exec -draft k x <a-k> ^\h*[:-] <ret> j <a-gt> }
+    }
+}
+
+# Initialization
+# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
+
+hook global WinSetOption filetype=haml %{
+    addhl ref haml
+
+    hook window InsertEnd  .* -group haml-hooks  _haml_filter_around_selections
+    hook window InsertChar \n -group haml-indent _haml_indent_on_new_line
+}
+
+hook global WinSetOption filetype=(?!haml).* %{
+    rmhl haml
+    rmhooks window haml-indent
+    rmhooks window haml-hooks
+}