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-rw-r--r--runtime/indent/stylus.vim121
1 files changed, 121 insertions, 0 deletions
diff --git a/runtime/indent/stylus.vim b/runtime/indent/stylus.vim
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+" Vim indent file
+" Language: Stylus
+" Maintainer: Marc Harter
+" Last Change: 2010 May 21
+" Based On: sass.vim from Tim Pope
+"
+if exists("b:did_indent")
+ finish
+endif
+let b:did_indent = 1
+
+setlocal indentexpr=GetStylusIndent()
+setlocal indentkeys=o,O,*<Return>,},],0),!^F
+let b:undo_indent = "setl indentexpr< indentkeys<"
+
+if exists("*GetStylusIndent") " only define once
+ finish
+endif
+
+function s:prevnonblanknoncomment(lnum)
+ let lnum = a:lnum
+ while lnum > 1
+ let lnum = prevnonblank(lnum)
+ let line = getline(lnum)
+ if line =~ '\*/'
+ while lnum > 1 && line !~ '/\*'
+ let lnum -= 1
+ endwhile
+ if line =~ '^\s*/\*'
+ let lnum -= 1
+ else
+ break
+ endif
+ else
+ break
+ endif
+ endwhile
+ return lnum
+endfunction
+
+function s:count_braces(lnum, count_open)
+ let n_open = 0
+ let n_close = 0
+ let line = getline(a:lnum)
+ let pattern = '[{}]'
+ let i = match(line, pattern)
+ while i != -1
+ if synIDattr(synID(a:lnum, i + 1, 0), 'name') !~ 'css\%(Comment\|StringQ\{1,2}\)'
+ if line[i] == '{'
+ let n_open += 1
+ elseif line[i] == '}'
+ if n_open > 0
+ let n_open -= 1
+ else
+ let n_close += 1
+ endif
+ endif
+ endif
+ let i = match(line, pattern, i + 1)
+ endwhile
+ return a:count_open ? n_open : n_close
+endfunction
+
+" function CheckCSSIndent()
+" let line = getline(v:lnum)
+" if line =~ '^\s*\*'
+" return cindent(v:lnum)
+" endif
+"
+" let pnum = s:prevnonblanknoncomment(v:lnum - 1)
+" if pnum == 0
+" return 0
+" endif
+
+function! GetStylusIndent()
+ let line = getline(v:lnum)
+ if line =~ '^\s*\*'
+ return cindent(v:lnum)
+ endif
+
+ let pnum = s:prevnonblanknoncomment(v:lnum - 1)
+ if pnum == 0
+ return 0
+ endif
+
+ let lnum = prevnonblank(v:lnum-1)
+ if lnum == 0
+ return 0
+ endif
+
+ let pline = getline(pnum)
+
+ if pline =~ '[}{]'
+ return indent(pnum) + s:count_braces(pnum, 1) * &sw - s:count_braces(v:lnum, 0) * &sw
+ endif
+
+ let line = substitute(getline(lnum),'[\s()]\+$','','') " get last line strip ending whitespace
+ let cline = substitute(substitute(getline(v:lnum),'\s\+$','',''),'^\s\+','','') " get current line, trimmed
+ let lastcol = strlen(line) " get last col in prev line
+ let line = substitute(line,'^\s\+','','') " then remove preceeding whitespace
+ let indent = indent(lnum) " get indent on prev line
+ let cindent = indent(v:lnum) " get indent on current line
+ let increase = indent + &sw " increase indent by the shift width
+ if indent == indent(lnum)
+ let indent = cindent <= indent ? indent : increase
+ endif
+
+ let group = synIDattr(synID(lnum,lastcol,1),'name')
+
+ " if group !~? 'css.*' && line =~? ')\s*$' " match user functions
+ " return increase
+ if group =~? '\v^%(cssTagName|cssClassName|cssIdentifier|cssSelectorOp|cssSelectorOp2|cssBraces|cssAttributeSelector|cssPseudo|stylusId|stylusClass)$'
+ return increase
+ elseif (group == 'stylusUserFunction') && (indent(lnum) == '0') " mixin definition
+ return increase
+ else
+ return indent
+ endif
+endfunction
+
+" vim:set sw=2;