123 lines
2.8 KiB
VimL
123 lines
2.8 KiB
VimL
" LaTeX plugin for Vim
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"
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" Maintainer: Karl Yngve Lervåg
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" Email: karl.yngve@gmail.com
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"
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function! latextoc#fold_level(lnum) " {{{1
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let pline = getline(a:lnum - 1)
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let cline = getline(a:lnum)
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let nline = getline(a:lnum + 1)
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let l:pn = matchstr(pline, '\d$')
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let l:cn = matchstr(cline, '\d$')
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let l:nn = matchstr(nline, '\d$')
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" Don't fold options
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if cline =~# '^\s*$'
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return 0
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endif
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if l:nn > l:cn && g:latex_toc_fold_levels >= l:nn
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return '>' . l:nn
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endif
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if l:cn < l:pn && l:cn >= l:nn && g:latex_toc_fold_levels >= l:cn
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return l:cn
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endif
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return '='
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endfunction
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function! latextoc#fold_text() " {{{1
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return getline(v:foldstart)
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endfunction
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" }}}1
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function! latextoc#refresh() " {{{1
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if !exists('b:toc') | return | endif
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set modifiable
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" Clean the buffer
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%delete
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" Add TOC entries (and keep track of closest index)
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let index = 0
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let closest_index = 0
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let s:num_format = '%-' . 2*(b:toc_secnumdepth+2) . 's'
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for entry in b:toc
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call s:print_entry(entry)
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let index += 1
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if entry.file == b:calling_file && entry.line <= b:calling_line
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let closest_index = index
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endif
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endfor
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" Add help info (if desired)
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if !g:latex_toc_hide_help
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call append('$', "")
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call append('$', "<Esc>/q: close")
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call append('$', "<Space>: jump")
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call append('$', "<Enter>: jump and close")
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call append('$', "-: decrease secnumpdeth")
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call append('$', "+: increase secnumpdeth")
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call append('$', "s: hide numbering")
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endif
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" Delete empty first line and jump to the closest section
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0delete _
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set nomodifiable
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call setpos('.', [0, closest_index, 0, 0])
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endfunction
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" }}}1
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function! s:print_entry(entry) " {{{1
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let entry = ''
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if b:toc_numbers
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let entry .= printf(s:num_format, s:print_number(a:entry.number))
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endif
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let entry .= printf('%-140s%s', a:entry.title,
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\ b:toc_max_level - a:entry.level)
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call append('$', entry)
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endfunction
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" }}}1
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function! s:print_number(number) " {{{1
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if empty(a:number) | return "" | endif
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let number = [
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\ a:number.part,
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\ a:number.chapter,
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\ a:number.section,
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\ a:number.subsection,
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\ a:number.subsubsection,
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\ a:number.subsubsubsection,
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\ ]
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let number = number[0:b:toc_secnumdepth+2]
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" Remove unused parts
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while len(number) > 0 && number[0] == 0
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call remove(number, 0)
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endwhile
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while len(number) > 0 && number[-1] == 0
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call remove(number, -1)
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endwhile
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if len(number) <= 0 | return '' | endif
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" Change numbering in frontmatter, appendix, and backmatter
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if b:toc_topmatters > 1
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\ && (a:number.frontmatter || a:number.backmatter)
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return ""
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elseif a:number.appendix
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let number[0] = nr2char(number[0] + 64)
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endif
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return join(number, '.')
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endfunction
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" }}}1
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" vim: fdm=marker
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