pandocAirlineExtension.vim

let s:spc = g:airline_symbols.space

function! airline#extensions#pandoc#word_count()
  if mode() == "s"
    return 0
  else
    let s:old_status = v:statusmsg
    let position = getpos(".")
    let s:word_count = 0
    exe ":silent normal g\<c-g>"
    let stat = v:statusmsg
    let s:word_count = 0
    if stat != '--No lines in buffer--'
        let s:word_count = str2nr(split(v:statusmsg)[11])
        let v:statusmsg = s:old_status
    end
    call setpos('.', position)
    return s:word_count 
  end
endfunction

function! airline#extensions#pandoc#apply(...)
  if &ft == "pandoc"
    let w:airline_section_x = "%{airline#extensions#pandoc#word_count()} Words"
  endif
endfunction

function! airline#extensions#pandoc#init(ext)
  call a:ext.add_statusline_func('airline#extensions#pandoc#apply')
endfunction