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ftplugin
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debcontrol.vim
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" Vim filetype plugin file (GUI menu and folding) " Language: Debian control files " Maintainer: Debian Vim Maintainers " Former Maintainer: Pierre Habouzit <madcoder@debian.org> " Last Change: 2018-01-06 " URL: https://salsa.debian.org/vim-team/vim-debian/blob/master/ftplugin/debcontrol.vim " Do these settings once per buffer if exists("b:did_ftplugin") finish endif let b:did_ftplugin=1 " {{{1 Local settings (do on every load) if exists("g:debcontrol_fold_enable") setlocal foldmethod=expr setlocal foldexpr=DebControlFold(v:lnum) setlocal foldtext=DebControlFoldText() endif setlocal textwidth=0 " Clean unloading let b:undo_ftplugin = "setlocal tw< foldmethod< foldexpr< foldtext<" " }}}1 " {{{1 folding function! s:getField(f, lnum) let line = getline(a:lnum) let fwdsteps = 0 while line !~ '^'.a:f.':' let fwdsteps += 1 let line = getline(a:lnum + fwdsteps) if line == '' return 'unknown' endif endwhile return substitute(line, '^'.a:f.': *', '', '') endfunction function! DebControlFoldText() if v:folddashes == '-' " debcontrol entry fold let type = substitute(getline(v:foldstart), ':.*', '', '') if type == 'Source' let ftext = substitute(foldtext(), ' *Source: *', ' ', '') return ftext . ' -- ' . s:getField('Maintainer', v:foldstart) . ' ' endif let arch = s:getField('Architecture', v:foldstart) let ftext = substitute(foldtext(), ' *Package: *', ' [' . arch . '] ', '') return ftext . ': ' . s:getField('Description', v:foldstart) . ' ' endif return foldtext() endfunction function! DebControlFold(l) " This is for not merging blank lines around folds to them if getline(a:l) =~ '^Source:' return '>1' endif if getline(a:l) =~ '^Package:' return '>1' endif return '=' endfunction " }}}1