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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 08:50:31 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 08:50:31 +0000 |
commit | aed8ce9da277f5ecffe968b324f242c41c3b752a (patch) | |
tree | d2e538394cb7a8a7c42a4aac6ccf1a8e3256999b /runtime/ftplugin/pdf.vim | |
parent | Initial commit. (diff) | |
download | vim-aed8ce9da277f5ecffe968b324f242c41c3b752a.tar.xz vim-aed8ce9da277f5ecffe968b324f242c41c3b752a.zip |
Adding upstream version 2:9.0.1378.upstream/2%9.0.1378upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'runtime/ftplugin/pdf.vim')
-rw-r--r-- | runtime/ftplugin/pdf.vim | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/runtime/ftplugin/pdf.vim b/runtime/ftplugin/pdf.vim new file mode 100644 index 0000000..1ed9911 --- /dev/null +++ b/runtime/ftplugin/pdf.vim @@ -0,0 +1,89 @@ +" 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 |