" Vim indent file
" Language: xinetd.conf(5) configuration file
" Maintainer: Nikolai Weibull <[email protected]>
" Latest Revision: 2006-12-20

if exists("b:did_indent")
finish
endif
let b:did_indent = 1

setlocal indentexpr=GetXinetdIndent()
setlocal indentkeys=0{,0},!^F,o,O
setlocal nosmartindent

if exists("*GetXinetdIndent")
finish
endif
let s:keepcpo= &cpo
set cpo&vim

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') !~ 'ld\%(Comment\|String\)'
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 GetXinetdIndent()
let pnum = prevnonblank(v:lnum - 1)
if pnum == 0
return 0
endif

return indent(pnum) + s:count_braces(pnum, 1) * &sw
\ - s:count_braces(v:lnum, 0) * &sw
endfunction

let &cpo = s:keepcpo
unlet s:keepcpo