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" Author: Francis Agyapong <francisagyapong2@gmail.com>
" Description: Lint kotlin files using ktlint
call ale#Set('kotlin_ktlint_executable', 'ktlint')
call ale#Set('kotlin_ktlint_rulesets', [])
call ale#Set('kotlin_ktlint_format', 0)
function! ale_linters#kotlin#ktlint#GetCommand(buffer) abort
let l:executable = ale#Var(a:buffer, 'kotlin_ktlint_executable')
let l:file_path = expand('#' . a:buffer . ':p')
let l:options = ''
" Formmatted content written to original file, not sure how to handle
" if ale#Var(a:buffer, 'kotlin_ktlint_format')
" let l:options = l:options . ' --format'
" endif
for l:ruleset in ale#Var(a:buffer, 'kotlin_ktlint_rulesets')
let l:options = l:options . ' --ruleset ' . l:ruleset
endfor
return l:executable . ' ' . l:options . ' ' . l:file_path
endfunction
function! ale_linters#kotlin#ktlint#Handle(buffer, lines) abort
let l:message_pattern = '^\(.*\):\([0-9]\+\):\([0-9]\+\):\s\+\(.*\)'
let l:output = []
for l:match in ale#util#GetMatches(a:lines, l:message_pattern)
let l:line = l:match[2] + 0
let l:column = l:match[3] + 0
let l:text = l:match[4]
let l:type = l:text =~? 'not a valid kotlin file' ? 'E' : 'W'
call add(l:output, {
\ 'lnum': l:line,
\ 'col': l:column,
\ 'text': l:text,
\ 'type': l:type
\})
endfor
return l:output
endfunction
call ale#linter#Define('kotlin', {
\ 'name': 'ktlint',
\ 'executable': 'ktlint',
\ 'command_callback': 'ale_linters#kotlin#ktlint#GetCommand',
\ 'callback': 'ale_linters#kotlin#ktlint#Handle',
\ 'lint_file': 1
\})
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