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Fixed #629: Subfiles class is not a main file

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Karl Yngve Lervåg 2016-12-01 10:01:35 +01:00
parent d382cb4d4f
commit e2f8b0dd3b
1 changed files with 8 additions and 4 deletions
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12
autoload/vimtex.vim
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@ -667,12 +667,16 @@ endfunction
" }}}1
function! s:file_is_main(file) " {{{1
if !filereadable(a:file) | return 0 | endif
"
" Check if a:file is a main file
" Check if a:file is a main file by looking for the \documentclass command,
" but ignore \documentclass[...]{subfiles}
"
return filereadable(a:file)
\ && len(filter(readfile(a:file, 0, 50),
\ 'v:val =~# ''\C\\documentclass\_\s*[\[{]''')) > 0
let l:lines = readfile(a:file, 0, 50)
call filter(l:lines, 'v:val !~# ''{subfiles}''')
call filter(l:lines, 'v:val =~# ''\C\\documentclass\_\s*[\[{]''')
return len(l:lines) > 0
endfunction
" }}}1