" vim: et sw=2 sts=2

scriptencoding utf-8

" Function: #separator {{{1
function! sy#util#separator() abort
  return !exists('+shellslash') || &shellslash ? '/' : '\'
endfunction


" Function: #refresh_windows {{{1
function! sy#util#refresh_windows() abort
  let winnr = winnr()
  windo if exists('b:sy') | call sy#start() | endif
  execute winnr .'wincmd w'
endfunction

" Function: #hunk_text_object {{{1
function! sy#util#hunk_text_object(emptylines) abort
  if !exists('b:sy')
    return
  endif

  let lnum  = line('.')
  let hunks = filter(copy(b:sy.hunks), 'v:val.start <= lnum && v:val.end >= lnum')

  if empty(hunks)
    return
  endif

  execute hunks[0].start
  normal! V

  if a:emptylines
    let lnum = hunks[0].end
    while getline(lnum+1) =~ '^$'
      let lnum += 1
    endwhile
    execute lnum
  else
    execute hunks[0].end
  endif
endfunction

" Function: #devnull {{{1
function! sy#util#devnull() abort
  if has('win32') || has ('win64')
    let null = 'NUL'
  else
    let null = '/dev/null'
  endif
  return null
endfunction