" Vim indent file
" Language: C-shell (tcsh)
" Maintainer: GI <[email protected]>, where a='gi1242+vim', b='gmail', c='com'
" Last Modified: Sat 10 Dec 2011 09:23:00 AM EST

" Only load this indent file when no other was loaded.
if exists("b:did_indent")
finish
endif

let b:did_indent = 1

setlocal indentexpr=TcshGetIndent()
setlocal indentkeys+=e,0=end,0=endsw indentkeys-=0{,0},0),:,0#

" Only define the function once.
if exists("*TcshGetIndent")
finish
endif

function TcshGetIndent()
" Find a non-blank line above the current line.
let lnum = prevnonblank(v:lnum - 1)

" Hit the start of the file, use zero indent.
if lnum == 0
return 0
endif

" Add indent if previous line begins with while or foreach
" OR line ends with case <str>:, default:, else, then or \
let ind = indent(lnum)
let line = getline(lnum)
if line =~ '\v^\s*%(while|foreach)>|^\s*%(case\s.*:|default:|else)\s*$|%(<then|\\)$'
let ind = ind + &sw
endif

if line =~ '\v^\s*breaksw>'
let ind = ind - &sw
endif

" Subtract indent if current line has on end, endif, case commands
let line = getline(v:lnum)
if line =~ '\v^\s*%(else|end|endif)\s*$'
let ind = ind - &sw
endif

return ind
endfunction