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" VimTeX - LaTeX plugin for Vim
"
" Maintainer: Karl Yngve Lervåg
" Email: karl.yngve@gmail.com
"
if exists('b:did_indent')
finish
endif
if !get(g:, 'vimtex_indent_bib_enabled', 1) | finish | endif
let b:did_indent = 1
let s:cpo_save = &cpo
set cpo&vim
setlocal autoindent
setlocal indentexpr=VimtexIndentBib()
function! VimtexIndentBib() abort " {{{1
" Find first non-blank line above the current line
let lnum = prevnonblank(v:lnum - 1)
if lnum == 0
return 0
endif
" Get some initial conditions
let ind = indent(lnum)
let line = getline(lnum)
let cline = getline(v:lnum)
let g:test = 1
" Zero indent for first line of each entry
if cline =~# '^\s*@'
return 0
endif
" Title line of entry
if line =~# '^@'
if cline =~# '^\s*}'
return 0
else
return &sw
endif
endif
if line =~# '='
" Indent continued bib info entries
if s:count('{', line) - s:count('}', line) > 0
let match = searchpos('.*=\s*{','bcne')
return match[1]
elseif cline =~# '^\s*}'
return 0
endif
elseif s:count('{', line) - s:count('}', line) < 0
if s:count('{', cline) - s:count('}', cline) < 0
return 0
else
return &sw
endif
endif
return ind
endfunction
function! s:count(pattern, line) abort " {{{1
let sum = 0
let indx = match(a:line, a:pattern)
while indx >= 0
let sum += 1
let indx += 1
let indx = match(a:line, a:pattern, indx)
endwhile
return sum
endfunction
" }}}1
let &cpo = s:cpo_save
unlet s:cpo_save
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