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Vlty: guess language #2128

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Vlty: guess language #2128

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82 changes: 58 additions & 24 deletions compiler/vlty.vim
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@ let current_compiler = 'vlty'

let s:cpo_save = &cpo
set cpo&vim

let s:pref = 'vlty compiler - '
let s:python = executable('python3') ? 'python3' : 'python'
let s:vlty = g:vimtex_grammar_vlty

Expand All @@ -13,48 +13,82 @@ function! s:installation_error(msg)
endfunction

if !executable(s:python)
call s:installation_error('vlty compiler requires Python')
call s:installation_error(s:pref . 'requires Python')
finish
endif

call system(s:python . ' -c "import sys; assert sys.version_info >= (3, 6)"')
if v:shell_error != 0
call s:installation_error('vlty compiler requires at least Python version 3.6')
call s:installation_error(s:pref . 'requires at least Python version 3.6')
finish
endif

call system(s:python . ' -c "import yalafi"')
if v:shell_error != 0
call s:installation_error('vlty compiler requires the Python module YaLafi')
call s:installation_error(s:pref . 'requires the Python module YaLafi')
finish
endif

if !exists('s:vlty.lt_command')
let s:vlty.lt_command = ''
endif
let s:vlty_lt_command = ''
if s:vlty.server !=# 'lt'
if !executable('java')
call s:installation_error('vlty compiler requires java')
finish
endif

if !empty(s:vlty.lt_command)
if !executable(s:vlty.lt_command)
call s:installation_error('vlty compiler - lt_command not valid')
finish
if !executable('java')
echoerr s:pref . 'install Java.'
finish
endif
if s:vlty.lt_command != ''
if !executable(s:vlty.lt_command)
echoerr s:pref . 'set s:vlty.lt_command correctly.'
finish
else
let s:vlty_lt_command = s:vlty.lt_command
endif
else
if !filereadable(fnamemodify(s:vlty.lt_directory . '/languagetool-commandline.jar', ':p'))
echoerr s:pref . 'set s:vlty.lt_directory to the'
\ . ' path of LanguageTool.'
finish
else
let s:vlty_lt_command = 'java -jar ' . fnamemodify(s:vlty.lt_directory . '/languagetool-commandline.jar', ':p:S')
endif
endif
elseif !filereadable(fnamemodify(s:vlty.lt_directory
\ . '/languagetool-commandline.jar', ':p'))
call s:installation_error('vlty compiler - lt_directory path not valid')
finish
endif
endif

let s:vimtex = get(b:, 'vimtex', {'documentclass': '', 'packages': {}})
let s:documentclass = s:vimtex.documentclass
let s:packages = join(keys(s:vimtex.packages), ',')
let s:language = vimtex#ui#choose(split(&spelllang, ','), {
\ 'prompt': 'Multiple spelllang languages detected, please select one:',
\ 'abort': v:false,
\})
let s:language = substitute(s:language, '_', '-', '')

" guess language
"
if !exists('s:vlty.language')
let s:vlty.language = vimtex#ui#choose(split(&spelllang, ','), {
\ 'prompt': 'Multiple spelllang languages detected, please select one:',
\ 'abort': v:false,
\})
let s:vlty.language = substitute(s:vlty.language, '_', '-', '')
endif

if !exists('s:list')
silent let s:list = split(system(s:vlty_lt_command . ' --list'), '[[:space:]]')
endif
if !empty(s:list)
if match(s:list, '\c^' . s:vlty.language . '$') == -1
echohl WarningMsg | echomsg "Language '" . s:vlty.language . "' not listed in output of " . s:vlty_lt_command . " --list!" | echohl None
let s:vlty.language = matchstr(s:vlty.language, '\v^[^-]+')
echohl WarningMsg | echomsg "Trying '" . s:vlty.language . "' instead." | echohl None
if match(s:list, '\c^' . s:vlty.language . '$') == -1
echoerr "Language '" . s:vlty.language . "' not listed in output of " . s:vlty_lt_command . " --list; trying anyway!"
endif
endif
endif
if empty(s:vlty.language)
echohl WarningMsg | echomsg 'Please set g:vimtex_grammar_vlty.language for more accurate check by LanguageTool; using autodetection instead.' | echohl None
let s:vlty_language = ' --autoDetect'
else
let s:vlty_language = ' --language ' . s:vlty.language
endif

let &l:makeprg =
\ s:python . ' -m yalafi.shell'
Expand All @@ -67,7 +101,7 @@ let &l:makeprg =
\ . ' --encoding ' . (s:vlty.encoding ==# 'auto'
\ ? (empty(&l:fileencoding) ? &l:encoding : &l:fileencoding)
\ : s:vlty.encoding)
\ . ' --language ' . s:language
\ . s:vlty_language
\ . ' --disable "' . s:vlty.lt_disable . '"'
\ . ' --enable "' . s:vlty.lt_enable . '"'
\ . ' --disablecategories "' . s:vlty.lt_disablecategories . '"'
Expand Down