" Vim filetype plugin file " Language: PDF " Maintainer: Tim Pope " Last Change: 2007 Dec 16 if exists("b:did_ftplugin") finish endif let b:did_ftplugin = 1 setlocal commentstring=%%s setlocal comments=:% let b:undo_ftplugin = "setlocal cms< com< | unlet! b:match_words" if exists("g:loaded_matchit") let b:match_words = '\<\%(\d\+\s\+\d\+\s\+\)obj\>:\,\,\:\,<<:>>' endif if exists("g:no_plugin_maps") || exists("g:no_pdf_maps") || v:version < 700 finish endif if !exists("b:pdf_tagstack") let b:pdf_tagstack = [] endif let b:undo_ftplugin .= " | silent! nunmap | silent! nunmap " nnoremap :call Tag() " Inline, so the error from an empty tag stack will be simple. nnoremap :if len(b:pdf_tagstack) > 0 call setpos('.',remove(b:pdf_tagstack, -1)) else exe "norm! \C-T>" endif function! s:Tag() call add(b:pdf_tagstack,getpos('.')) if getline('.') =~ '^\d\+$' && getline(line('.')-1) == 'startxref' return s:dodigits(getline('.')) elseif getline('.') =~ '/Prev\s\+\d\+\>\%(\s\+\d\)\@!' && expand("") =~ '^\d\+$' return s:dodigits(expand("")) elseif getline('.') =~ '^\d\{10\} \d\{5\} ' return s:dodigits(matchstr(getline('.'),'^\d\+')) else let line = getline(".") let lastend = 0 let pat = '\<\d\+\s\+\d\+\s\+R\>' while lastend >= 0 let beg = match(line,'\C'.pat,lastend) let end = matchend(line,'\C'.pat,lastend) if beg < col(".") && end >= col(".") return s:doobject(matchstr(line,'\C'.pat,lastend)) endif let lastend = end endwhile return s:notag() endif endfunction function! s:doobject(string) let first = matchstr(a:string,'^\s*\zs\d\+') let second = matchstr(a:string,'^\s*\d\+\s\+\zs\d\+') norm! m' if first != '' && second != '' let oldline = line('.') let oldcol = col('.') 1 if !search('^\s*'.first.'\s\+'.second.'\s\+obj\>') exe oldline exe 'norm! '.oldcol.'|' return s:notag() endif endif endfunction function! s:dodigits(digits) let digits = 0 + substitute(a:digits,'^0*','','') norm! m' if digits <= 0 norm! 1go else " Go one character before the destination and advance. This method " lands us after a newline rather than before, if that is our target. exe "goto ".(digits)."|norm! 1 " endif endfunction function! s:notag() silent! call remove(b:pdf_tagstack,-1) echohl ErrorMsg echo "E426: tag not found" echohl NONE endfunction