Change latex provider to luatex, closes #476

1 files changed, 85 insertions, 0 deletions

diff --git a/indent/bib.vim b/indent/bib.vim
new file mode 100644
index 00000000..fa326f3a
--- /dev/null
+++ b/indent/bib.vim
@@ -0,0 +1,85 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'latex') == -1
+
+" 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
+
+endif