scriptencoding utf-8

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

" Init: values {{{1
let s:other_signs_line_numbers = {}

" Function: #get_others {{{1
function! sy#sign#get_others(path) abort
  redir => signlist
    silent! execute 'sign place file='. a:path
  redir END

  for line in filter(split(signlist, '\n'), 'v:val =~ "^\\s\\+line"')
    let lnum = matchlist(line, '\v^\s+line\=(\d+)')[1]
    let s:other_signs_line_numbers[lnum] = 1
  endfor
endfunction

" Function: #set {{{1
function! sy#sign#set(signs)
  let hunk = { 'ids': [], 'start': a:signs[0].lnum, 'end': a:signs[-1].lnum }
  for sign in a:signs
    " Preserve non-signify signs
    if !g:signify_sign_overwrite && has_key(s:other_signs_line_numbers, sign.lnum)
      next
    endif

    call add(hunk.ids, g:id_top)
    execute 'sign place '. g:id_top .' line='. sign.lnum .' name='. sign.type .' file='. sign.path

    let g:id_top += 1
  endfor
  call add(g:sy[sign.path].hunks, hunk)
endfunction

" Function: #remove_all {{{1
function! sy#sign#remove_all(path) abort
  for hunk in g:sy[a:path].hunks
    for id in hunk.ids
      execute 'sign unplace '. id
    endfor
  endfor

  let s:other_signs_line_numbers = {}
  let g:sy[a:path].hunks = []
endfunction


" vim: et sw=2 sts=2