1 files changed, 73 insertions, 0 deletions
diff --git a/syntax/jst.vim b/syntax/jst.vim
new file mode 100644
index 00000000..25abe238
--- /dev/null
+++ b/syntax/jst.vim
@@ -0,0 +1,73 @@
+if exists("b:current_syntax")
+  finish
+endif
+
+if !exists("main_syntax")
+  let main_syntax = 'jst'
+endif
+
+if !exists("g:jst_default_subtype")
+  let g:jst_default_subtype = "html"
+endif
+
+if &filetype =~ '^jst\.'
+  let b:jst_subtype = matchstr(&filetype,'^jst\.\zs\w\+')
+elseif !exists("b:jst_subtype") && main_syntax == 'jst'
+  let s:lines = getline(1)."\n".getline(2)."\n".getline(3)."\n".getline(4)."\n".getline(5)."\n".getline("$")
+  let b:jst_subtype = matchstr(s:lines,'jst_subtype=\zs\w\+')
+  if b:jst_subtype == ''
+    let b:jst_subtype = matchstr(substitute(expand("%:t"),'\c\%(\.jst\)\+$','',''),'\.\zs\w\+$')
+  endif
+  if b:jst_subtype == 'rhtml'
+    let b:jst_subtype = 'html'
+  elseif b:jst_subtype == 'hamljs'
+    let b:jst_subtype = 'haml'
+  elseif b:jst_subtype == 'ejs'
+    let b:jst_subtype = 'html'
+  elseif b:jst_subtype == 'rb'
+    let b:jst_subtype = 'ruby'
+  elseif b:jst_subtype == 'yml'
+    let b:jst_subtype = 'yaml'
+  elseif b:jst_subtype == 'js'
+    let b:jst_subtype = 'javascript'
+  elseif b:jst_subtype == 'txt'
+    " Conventional; not a real file type
+    let b:jst_subtype = 'text'
+  elseif b:jst_subtype == ''
+    let b:jst_subtype = g:jst_default_subtype
+  endif
+endif
+
+if !exists("b:jst_nest_level")
+  let b:jst_nest_level = strlen(substitute(substitute(substitute(expand("%:t"),'@','','g'),'\c\.\%(erb\|rhtml\)\>','@','g'),'[^@]','','g'))
+endif
+if !b:jst_nest_level
+  let b:jst_nest_level = 1
+endif
+
+if exists("b:jst_subtype") && b:jst_subtype != ''
+  exe "runtime! syntax/".b:jst_subtype.".vim"
+  unlet! b:current_syntax
+endif
+
+syn include @jsTop syntax/javascript.vim
+
+syn cluster jstRegions contains=jstOneLiner,jstBlock,jstExpression,jstComment
+
+exe 'syn region  jstOneLiner   matchgroup=jstDelimiter start="^%\{1,'.b:jst_nest_level.'\}%\@!"    end="$"     contains=@jsTop	     containedin=ALLBUT,@jstRegions keepend oneline'
+exe 'syn region  jstBlock      matchgroup=jstDelimiter start="<%\{1,'.b:jst_nest_level.'\}%\@!-\=" end="[=-]\=%\@<!%\{1,'.b:jst_nest_level.'\}>" contains=@jsTop  containedin=ALLBUT,@jstRegions keepend'
+exe 'syn region  jstExpression matchgroup=jstDelimiter start="<%\{1,'.b:jst_nest_level.'\}=\{1,4}" end="[=-]\=%\@<!%\{1,'.b:jst_nest_level.'\}>" contains=@jsTop  containedin=ALLBUT,@jstRegions keepend'
+exe 'syn region  jstComment    matchgroup=jstDelimiter start="<%\{1,'.b:jst_nest_level.'\}#"       end="%\@<!%\{1,'.b:jst_nest_level.'\}>" contains=jsTodo,@Spell containedin=ALLBUT,@jstRegions keepend'
+
+" Define the default highlighting.
+
+hi def link jstDelimiter		PreProc
+hi def link jstComment		Comment
+
+let b:current_syntax = 'jst'
+
+if main_syntax == 'jst'
+  unlet main_syntax
+endif
+
+" vim: nowrap sw=2 sts=2 ts=8: