1" Vim syntax file
2" Language:		eRuby
3" Maintainer:		Tim Pope <vimNOSPAM@tpope.org>
4" Last Change:		2010 Apr 15
5" URL:			http://vim-ruby.rubyforge.org
6" Anon CVS:		See above site
7" Release Coordinator:	Doug Kearns <dougkearns@gmail.com>
8
9if exists("b:current_syntax")
10  finish
11endif
12
13if !exists("main_syntax")
14  let main_syntax = 'eruby'
15endif
16
17if !exists("g:eruby_default_subtype")
18  let g:eruby_default_subtype = "html"
19endif
20
21if !exists("b:eruby_subtype") && main_syntax == 'eruby'
22  let s:lines = getline(1)."\n".getline(2)."\n".getline(3)."\n".getline(4)."\n".getline(5)."\n".getline("$")
23  let b:eruby_subtype = matchstr(s:lines,'eruby_subtype=\zs\w\+')
24  if b:eruby_subtype == ''
25    let b:eruby_subtype = matchstr(&filetype,'^eruby\.\zs\w\+')
26  endif
27  if b:eruby_subtype == ''
28    let b:eruby_subtype = matchstr(substitute(expand("%:t"),'\c\%(\.erb\|\.eruby\|\.erubis\)\+$','',''),'\.\zs\w\+$')
29  endif
30  if b:eruby_subtype == 'rhtml'
31    let b:eruby_subtype = 'html'
32  elseif b:eruby_subtype == 'rb'
33    let b:eruby_subtype = 'ruby'
34  elseif b:eruby_subtype == 'yml'
35    let b:eruby_subtype = 'yaml'
36  elseif b:eruby_subtype == 'js'
37    let b:eruby_subtype = 'javascript'
38  elseif b:eruby_subtype == 'txt'
39    " Conventional; not a real file type
40    let b:eruby_subtype = 'text'
41  elseif b:eruby_subtype == ''
42    let b:eruby_subtype = g:eruby_default_subtype
43  endif
44endif
45
46if !exists("b:eruby_nest_level")
47  let b:eruby_nest_level = strlen(substitute(substitute(substitute(expand("%:t"),'@','','g'),'\c\.\%(erb\|rhtml\)\>','@','g'),'[^@]','','g'))
48endif
49if !b:eruby_nest_level
50  let b:eruby_nest_level = 1
51endif
52
53if exists("b:eruby_subtype") && b:eruby_subtype != ''
54  exe "runtime! syntax/".b:eruby_subtype.".vim"
55  unlet! b:current_syntax
56endif
57syn include @rubyTop syntax/ruby.vim
58
59syn cluster erubyRegions contains=erubyOneLiner,erubyBlock,erubyExpression,erubyComment
60
61exe 'syn region  erubyOneLiner   matchgroup=erubyDelimiter start="^%\{1,'.b:eruby_nest_level.'\}%\@!"    end="$"     contains=@rubyTop	     containedin=ALLBUT,@erubyRegions keepend oneline'
62exe 'syn region  erubyBlock      matchgroup=erubyDelimiter start="<%\{1,'.b:eruby_nest_level.'\}%\@!-\=" end="[=-]\=%\@<!%\{1,'.b:eruby_nest_level.'\}>" contains=@rubyTop  containedin=ALLBUT,@erubyRegions keepend'
63exe 'syn region  erubyExpression matchgroup=erubyDelimiter start="<%\{1,'.b:eruby_nest_level.'\}=\{1,4}" end="[=-]\=%\@<!%\{1,'.b:eruby_nest_level.'\}>" contains=@rubyTop  containedin=ALLBUT,@erubyRegions keepend'
64exe 'syn region  erubyComment    matchgroup=erubyDelimiter start="<%\{1,'.b:eruby_nest_level.'\}#"       end="%\@<!%\{1,'.b:eruby_nest_level.'\}>" contains=rubyTodo,@Spell containedin=ALLBUT,@erubyRegions keepend'
65
66" Define the default highlighting.
67
68hi def link erubyDelimiter		PreProc
69hi def link erubyComment		Comment
70
71let b:current_syntax = 'eruby'
72
73if main_syntax == 'eruby'
74  unlet main_syntax
75endif
76
77" vim: nowrap sw=2 sts=2 ts=8:
78