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" Author: Vincent (wahrwolf [at] wolfpit.net)
" Description: languagetool for markdown files
"
call ale#Set('languagetool_executable', 'languagetool')
function! ale#handlers#languagetool#GetExecutable(buffer) abort
return ale#Var(a:buffer, 'languagetool_executable')
endfunction
function! ale#handlers#languagetool#GetCommand(buffer) abort
let l:executable = ale#handlers#languagetool#GetExecutable(a:buffer)
return ale#Escape(l:executable) . ' --autoDetect '
endfunction
function! ale#handlers#languagetool#HandleOutput(buffer, lines) abort
" Match lines like:
" 1.) Line 5, column 1, Rule ID:
let l:head_pattern = '^\v.+.\) Line (\d+), column (\d+), Rule ID. (.+)$'
let l:head_matches = ale#util#GetMatches(a:lines, l:head_pattern)
" Match lines like:
" Message: Did you forget a comma after a conjunctive/linking adverb?
let l:message_pattern = '^\vMessage. (.+)$'
let l:message_matches = ale#util#GetMatches(a:lines, l:message_pattern)
" Match lines like:
" ^^^^^ "
let l:markers_pattern = '^\v *(\^+) *$'
let l:markers_matches = ale#util#GetMatches(a:lines, l:markers_pattern)
let l:output = []
" Okay tbh I was to lazy to figure out a smarter solution here
" We just check that the arrays are same sized and merge everything
" together
let l:i = 0
while l:i < len(l:head_matches)
\ && (
\ (len(l:head_matches) == len(l:markers_matches))
\ && (len(l:head_matches) == len(l:message_matches))
\ )
let l:item = {
\ 'lnum' : str2nr(l:head_matches[l:i][1]),
\ 'col' : str2nr(l:head_matches[l:i][2]),
\ 'end_col' : str2nr(l:head_matches[l:i][2]) + len(l:markers_matches[l:i][1])-1,
\ 'type' : 'W',
\ 'code' : l:head_matches[l:i][3],
\ 'text' : l:message_matches[l:i][1]
\}
call add(l:output, l:item)
let l:i+=1
endwhile
return l:output
endfunction
" Define the languagetool linter for a given filetype.
" TODO:
" - Add language detection settings based on user env (for mothertongue)
" - Add fixer
" - Add config options for rules
function! ale#handlers#languagetool#DefineLinter(filetype) abort
call ale#linter#Define(a:filetype, {
\ 'name': 'languagetool',
\ 'executable': function('ale#handlers#languagetool#GetExecutable'),
\ 'command': function('ale#handlers#languagetool#GetCommand'),
\ 'output_stream': 'stdout',
\ 'callback': 'ale#handlers#languagetool#HandleOutput',
\ 'lint_file': 1,
\})
endfunction
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