84 lines
1.6 KiB
VimL
84 lines
1.6 KiB
VimL
" vimtex - 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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if exists('b:did_indent')
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finish
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endif
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let b:did_indent = 1
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call vimtex#util#set_default('g:vimtex_indent_bib_enabled', 1)
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if !g:vimtex_indent_bib_enabled | finish | endif
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let s:cpo_save = &cpo
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set cpo&vim
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setlocal autoindent
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setlocal indentexpr=VimtexIndentBib()
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function! VimtexIndentBib() " {{{1
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" Find first non-blank line above the current line
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let lnum = prevnonblank(v:lnum - 1)
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if lnum == 0
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return 0
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endif
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" Get some initial conditions
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let ind = indent(lnum)
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let line = getline(lnum)
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let cline = getline(v:lnum)
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let g:test = 1
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" Zero indent for first line of each entry
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if cline =~# '^\s*@'
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return 0
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endif
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" Title line of entry
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if line =~# '^@'
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if cline =~# '^\s*}'
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return 0
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else
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return &sw
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endif
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endif
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if line =~# '='
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" Indent continued bib info entries
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if s:count('{', line) - s:count('}', line) > 0
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let match = searchpos('.*=\s*{','bcne')
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return match[1]
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elseif cline =~# '^\s*}'
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return 0
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endif
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elseif s:count('{', line) - s:count('}', line) < 0
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if s:count('{', cline) - s:count('}', cline) < 0
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return 0
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else
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return &sw
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endif
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endif
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return ind
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endfunction
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function! s:count(pattern, line) " {{{1
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let sum = 0
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let indx = match(a:line, a:pattern)
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while indx >= 0
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let sum += 1
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let indx += 1
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let indx = match(a:line, a:pattern, indx)
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endwhile
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return sum
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endfunction
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" }}}1
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let &cpo = s:cpo_save
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unlet s:cpo_save
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" vim: fdm=marker sw=2
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