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1" Vim indent file
2" Language: Haml
3" Maintainer: Tim Pope <vimNOSPAM@tpope.org>
4" Last Change: 2010 May 21
5
6if exists("b:did_indent")
7 finish
8endif
9runtime! indent/ruby.vim
10unlet! b:did_indent
11let b:did_indent = 1
12
13setlocal autoindent sw=2 et
14setlocal indentexpr=GetHamlIndent()
15setlocal indentkeys=o,O,*<Return>,},],0),!^F,=end,=else,=elsif,=rescue,=ensure,=when
16
17" Only define the function once.
18if exists("*GetHamlIndent")
19 finish
20endif
21
22let s:attributes = '\%({.\{-\}}\|\[.\{-\}\]\)'
23let s:tag = '\%([%.#][[:alnum:]_-]\+\|'.s:attributes.'\)*[<>]*'
24
25if !exists('g:haml_self_closing_tags')
26 let g:haml_self_closing_tags = 'meta|link|img|hr|br'
27endif
28
29function! GetHamlIndent()
30 let lnum = prevnonblank(v:lnum-1)
31 if lnum == 0
32 return 0
33 endif
34 let line = substitute(getline(lnum),'\s\+$','','')
35 let cline = substitute(substitute(getline(v:lnum),'\s\+$','',''),'^\s\+','','')
36 let lastcol = strlen(line)
37 let line = substitute(line,'^\s\+','','')
38 let indent = indent(lnum)
39 let cindent = indent(v:lnum)
40 if cline =~# '\v^-\s*%(elsif|else|when)>'
41 let indent = cindent < indent ? cindent : indent - &sw
42 endif
43 let increase = indent + &sw
44 if indent == indent(lnum)
45 let indent = cindent <= indent ? -1 : increase
46 endif
47
48 let group = synIDattr(synID(lnum,lastcol,1),'name')
49
50 if line =~ '^!!!'
51 return indent
52 elseif line =~ '^/\%(\[[^]]*\]\)\=$'
53 return increase
54 elseif group == 'hamlFilter'
55 return increase
56 elseif line =~ '^'.s:tag.'[&!]\=[=~-]\s*\%(\%(if\|else\|elsif\|unless\|case\|when\|while\|until\|for\|begin\|module\|class\|def\)\>\%(.*\<end\>\)\@!\|.*do\%(\s*|[^|]*|\)\=\s*$\)'
57 return increase
58 elseif line =~ '^'.s:tag.'[&!]\=[=~-].*,\s*$'
59 return increase
60 elseif line == '-#'
61 return increase
62 elseif group =~? '\v^(hamlSelfCloser)$' || line =~? '^%\v%('.g:haml_self_closing_tags.')>'
63 return indent
64 elseif group =~? '\v^%(hamlTag|hamlAttributesDelimiter|hamlObjectDelimiter|hamlClass|hamlId|htmlTagName|htmlSpecialTagName)$'
65 return increase
66 elseif synIDattr(synID(v:lnum,1,1),'name') ==? 'hamlRubyFilter'
67 return GetRubyIndent()
68 else
69 return indent
70 endif
71endfunction
72
73" vim:set sw=2: