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" VimTeX - LaTeX plugin for Vim
"
" Maintainer: Karl Yngve Lervåg
" Email: karl.yngve@gmail.com
"
function! vimtex#kpsewhich#find(file) abort " {{{1
let l:cache = vimtex#cache#open('kpsewhich', {'default': []})
let l:root = exists('b:vimtex.root') ? b:vimtex.root : getcwd()
let l:current = l:cache.get(a:file)
" Check cache for result
try
for [l:result, l:result_root] in l:current
if empty(l:result_root) || l:result_root ==# l:root
return l:result
endif
endfor
catch
call vimtex#log#error(
\ 'Invalid kpsewhich cache!',
\ 'Please clear with ":VimtexClearCache kpsewhich"'
\)
return ''
endtry
" Perform search -> [result, result_root]
let l:result = get(vimtex#kpsewhich#run(fnameescape(a:file)), 0, '')
if !vimtex#paths#is_abs(l:result)
let l:result = empty(l:result) ? '' : simplify(l:root . '/' . l:result)
call add(l:current, [l:result, l:root])
else
call add(l:current, [l:result, ''])
endif
" Write cache to file
let l:cache.modified = 1
call l:cache.write()
return l:result
endfunction
" }}}1
function! vimtex#kpsewhich#run(args) abort " {{{1
" kpsewhich should be run at the project root directory
if exists('b:vimtex.root')
call vimtex#paths#pushd(b:vimtex.root)
endif
let l:output = vimtex#jobs#capture('kpsewhich ' . a:args)
if exists('b:vimtex.root')
call vimtex#paths#popd()
endif
" Remove warning lines from output
call filter(l:output, {_, x -> stridx(x, 'kpsewhich: warning: ') == -1})
return l:output
endfunction
" }}}1
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