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Fix #630: Allow subfile main path relative to main

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This commit is contained in:
Karl Yngve Lervåg 2016-12-30 23:08:58 +01:00
parent 924d507a2f
commit ed0106cbcf
1 changed files with 47 additions and 15 deletions
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62
autoload/vimtex.vim
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@ -460,8 +460,8 @@ function! s:init_local_blob() " {{{1
let l:local.tex = l:filename
let l:local.pid = 0
let l:local.name = fnamemodify(l:filename, ':t:r')
let l:local.root = fnamemodify(l:filename, ':h')
let l:local.base = fnamemodify(l:filename, ':t')
let l:local.root = get(s:, 'root', fnamemodify(l:filename, ':h'))
let l:local.base = get(s:, 'base', fnamemodify(l:filename, ':t'))
let s:vimtex_next_id += 1
let g:vimtex_data[s:vimtex_next_id] = l:local
@ -519,8 +519,7 @@ function! s:get_main() " {{{1
" Search for TEX root specifier at the beginning of file. This is used by
" several other plugins and editors.
"
let l:candidate = s:get_main_from_specifier(
\ '^\c\s*%\s*!\?\s*tex\s\+root\s*=\s*\zs.*\ze\s*$')
let l:candidate = s:get_main_from_texroot()
if !empty(l:candidate)
return l:candidate
endif
@ -528,8 +527,7 @@ function! s:get_main() " {{{1
"
" Support for subfiles package
"
let l:candidate = s:get_main_from_specifier(
\ '^\C\s*\\documentclass\[\zs.*\ze\]{subfiles}')
let l:candidate = s:get_main_from_subfile()
if !empty(l:candidate)
return l:candidate
endif
@ -570,20 +568,54 @@ function! s:get_main() " {{{1
endfunction
" }}}1
function! s:get_main_from_specifier(spec) " {{{1
function! s:get_main_from_texroot() " {{{1
for l:line in getline(1, 5)
let l:filename = matchstr(l:line, a:spec)
let l:filename = matchstr(l:line,
\ '^\c\s*%\s*!\?\s*tex\s\+root\s*=\s*\zs.*\ze\s*$')
if len(l:filename) > 0
if l:filename[0] ==# '/'
if filereadable(l:filename) | return l:filename | endif
else
" The candidate may be relative both to the current buffer file and to
" the working directory (for subfile package)
for l:candidate in map([
\ expand('%:p:h'),
\ getcwd()],
\ 'simplify(v:val . ''/'' . l:filename)')
if filereadable(l:candidate) | return l:candidate | endif
let l:candidate = simplify(expand('%:p:h') . '/' . l:filename)
if filereadable(l:candidate) | return l:candidate | endif
endif
endif
endfor
return ''
endfunction
" }}}1
function! s:get_main_from_subfile() " {{{1
for l:line in getline(1, 5)
let l:filename = matchstr(l:line,
\ '^\C\s*\\documentclass\[\zs.*\ze\]{subfiles}')
if len(l:filename) > 0
if l:filename[0] ==# '/'
" Absolute path
if filereadable(l:filename) | return l:filename | endif
else
" First try relative path
let l:candidate = simplify(expand('%:p:h') . '/' . l:filename)
if filereadable(l:candidate) | return l:candidate | endif
" Now assume that the path is relative to the main file root. This is
" difficult, since the main file is the one we are looking for. We
" therefore assume that the main file lives somewhere in the directory
" tree closer to the root.
let l:path = expand('%:p:h')
let l:candidates = [l:path]
while l:path != fnamemodify(l:path, ':h')
let l:path = fnamemodify(l:path, ':h')
let l:candidates += [l:path]
endwhile
call map(l:candidates, 'v:val . ''/'' . l:filename')
for l:candidate in l:candidates
if filereadable(l:candidate)
let s:root = fnamemodify(l:candidate, ':h')
let s:base = strpart(expand('%:p'), len(s:root) + 1)
return l:candidate
endif
endfor
endif
endif