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Improved support for subfiles package (#155)

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Added parsing of main file from `\documentclass[main.tex]{subfiles}`.
This commit is contained in:
Karl Yngve Lervåg 2015-04-29 15:40:08 +02:00
parent 566463fbf8
commit e74fc287ed
2 changed files with 28 additions and 15 deletions
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19
autoload/vimtex.vim
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@ -176,15 +176,21 @@ function! s:get_main() " {{{1
endif endif
" "
" Search for main file specifier at the beginning of file. This is similar " Search for main file specifier at the beginning of file. Recognized
" to the method used by several other plugins and editors, such as vim with " specifiers are:
" LaTeX-Box, TextMate, TexWorks, and texmaker.
" "
" 1. The TEX root specifier, which is used by by several other plugins and
" editors.
" 2. Subfiles package specifier. This parses the main tex file option in the
" \documentclass line for the subfiles package.
"
for regexp in [
\ '^\c\s*%\s*!\?\s*tex\s\+root\s*=\s*\zs.*\ze\s*$',
\ '^\C\s*\\documentclass\[\zs.*\ze\]{subfiles}',
\ ]
for line in getline(1, 5) for line in getline(1, 5)
let candidate = matchstr(line, let candidate = matchstr(line, regexp)
\ '^\s*%\s*!\s*[tT][eE][xX]\s\+root\s*=\s*\zs.*\ze\s*$')
if len(candidate) > 0 if len(candidate) > 0
" If candidate is a relative path, then prepend root of current file
if candidate[0] !=# '/' if candidate[0] !=# '/'
let candidate = expand('%:h') . '/' . candidate let candidate = expand('%:h') . '/' . candidate
endif endif
@ -194,6 +200,7 @@ function! s:get_main() " {{{1
endif endif
endif endif
endfor endfor
endfor
" "
" Search for main file recursively through \input and \include specifiers " Search for main file recursively through \input and \include specifiers

6
doc/vimtex.txt
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@ -150,6 +150,12 @@ first five lines of the current file similar to this: >
%! TEX root = my-main.tex %! TEX root = my-main.tex
< *vimtex-subfiles*
Further, |vimtex| supports the `subfiles` package. That is, the main file is
parsed from the `\documentclass` line whenever it has the following format: >
\documentclass[main.tex]{subfiles}
< *b:vimtex_main* < *b:vimtex_main*
Finally, the main file may be specified through the buffer variable Finally, the main file may be specified through the buffer variable
`b:vimtex_main`. If one uses project specific |vimrc| files, one may then use `b:vimtex_main`. If one uses project specific |vimrc| files, one may then use