path: root/indent/caddyfile.vim

if polyglot#init#is_disabled(expand('<sfile>:p'), 'caddyfile', 'indent/caddyfile.vim')
  finish
endif

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

setlocal nolisp
setlocal autoindent
setlocal indentexpr=GetCaddyfileIndent(v:lnum)
setlocal indentkeys+=<:>,0=},0=)

if exists('*shiftwidth')
	function! s:sw()
		return shiftwidth()
	endfunc
else
	function! s:sw()
		return &sw
	endfunc
endif

function! GetCaddyfileIndent(lnum)
	let prevlnum = prevnonblank(a:lnum-1)
	if prevlnum == 0
		return 0
	endif

	let thisl = substitute(getline(a:lnum), '#.*$', '', '')
	let prevl = substitute(getline(prevlnum), '#.*$', '', '')

	let ind = indent(prevlnum)

	if prevl =~ '{\s*$'
		let ind += s:sw()
	endif

	if thisl =~ '^\s*}\s*$'
		let ind -= s:sw()
	endif

	return ind
endfunction