| " Vim filetype plugin file |
| " Language: PDF |
| " Maintainer: Tim Pope <vimNOSPAM@tpope.info> |
| " 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\>:\<endobj\>,\<stream$:\<endstream\>,\<xref\>:\<trailer\>,<<:>>' |
| endif |
| |
| if exists("g:no_plugin_maps") || exists("g:no_pdf_maps") || v:version < 700 |
| finish |
| endif |
| |
| if !exists("b:pdf_tagstack") |
| let b:pdf_tagstack = [] |
| endif |
| |
| let b:undo_ftplugin .= " | silent! nunmap <buffer> <C-]> | silent! nunmap <buffer> <C-T>" |
| nnoremap <silent><buffer> <C-]> :call <SID>Tag()<CR> |
| " Inline, so the error from an empty tag stack will be simple. |
| nnoremap <silent><buffer> <C-T> :if len(b:pdf_tagstack) > 0 <Bar> call setpos('.',remove(b:pdf_tagstack, -1)) <Bar> else <Bar> exe "norm! \<Lt>C-T>" <Bar> endif<CR> |
| |
| function! s:Tag() |
| call add(b:pdf_tagstack,getpos('.')) |
| if getline('.') =~ '^\d\+$' && getline(line('.')-1) == 'startxref' |
| return s:dodigits(getline('.')) |
| elseif getline('.') =~ '/Prev\s\+\d\+\>\%(\s\+\d\)\@!' && expand("<cword>") =~ '^\d\+$' |
| return s:dodigits(expand("<cword>")) |
| 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 |