Change latex provider to luatex, closes #476

autoload/vimtex/view/general.vim

@@ -0,0 +1,111 @@
+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
+"
+
+function! vimtex#view#general#new() abort " {{{1
+  " Check if the viewer is executable
+  " * split to ensure that we handle stuff like "gio open"
+  let l:exe = get(split(g:vimtex_view_general_viewer), 0, '')
+  if empty(l:exe) || !executable(l:exe)
+    call vimtex#log#warning(
+          \ 'Selected viewer is not executable!',
+          \ '- Selection: ' . g:vimtex_view_general_viewer .
+          \ '- Executable: ' . l:exe .
+          \ '- Please see :h g:vimtex_view_general_viewer')
+    return {}
+  endif
+
+  " Start from standard template
+  let l:viewer = vimtex#view#common#apply_common_template(deepcopy(s:general))
+
+  " Add callback hook
+  if exists('g:vimtex_view_general_callback')
+    let l:viewer.compiler_callback = function(g:vimtex_view_general_callback)
+  endif
+
+  return l:viewer
+endfunction
+
+" }}}1
+
+let s:general = {
+      \ 'name' : 'General'
+      \}
+
+function! s:general.view(file) dict abort " {{{1
+  if empty(a:file)
+    let outfile = self.out()
+
+    " Only copy files if they don't exist
+    if g:vimtex_view_use_temp_files
+          \ && vimtex#view#common#not_readable(outfile)
+      call self.copy_files()
+    endif
+  else
+    let outfile = a:file
+  endif
+
+  " Update the path for Windows on cygwin
+  if executable('cygpath')
+    let outfile = join(
+          \ vimtex#process#capture('cygpath -aw "' . outfile . '"'), '')
+  endif
+
+  if vimtex#view#common#not_readable(outfile) | return | endif
+
+  " Parse options
+  let l:cmd  = g:vimtex_view_general_viewer
+  let l:cmd .= ' ' . g:vimtex_view_general_options
+
+  " Substitute magic patterns
+  let l:cmd = substitute(l:cmd, '@line', line('.'), 'g')
+  let l:cmd = substitute(l:cmd, '@col', col('.'), 'g')
+  let l:cmd = substitute(l:cmd, '@tex',
+        \ vimtex#util#shellescape(expand('%:p')), 'g')
+  let l:cmd = substitute(l:cmd, '@pdf', vimtex#util#shellescape(outfile), 'g')
+
+  " Start the view process
+  let self.process = vimtex#process#start(l:cmd, {'silent': 0})
+
+  if has_key(self, 'hook_view')
+    call self.hook_view()
+  endif
+endfunction
+
+" }}}1
+function! s:general.latexmk_append_argument() dict abort " {{{1
+  if g:vimtex_view_use_temp_files
+    return ' -view=none'
+  else
+    let l:option = g:vimtex_view_general_viewer
+    if !empty(g:vimtex_view_general_options_latexmk)
+      let l:option .= ' '
+      let l:option .= substitute(g:vimtex_view_general_options_latexmk,
+            \                    '@line', line('.'), 'g')
+    endif
+    return vimtex#compiler#latexmk#wrap_option('pdf_previewer', l:option)
+  endif
+endfunction
+
+" }}}1
+function! s:general.compiler_callback(status) dict abort " {{{1
+  if !a:status && g:vimtex_view_use_temp_files < 2
+    return
+  endif
+
+  if g:vimtex_view_use_temp_files
+    call self.copy_files()
+  endif
+
+  if has_key(self, 'hook_callback')
+    call self.hook_callback()
+  endif
+endfunction
+
+" }}}1
+
+endif