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path: root/autoload/ale/handlers/yamllint.vim
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function! ale#handlers#yamllint#GetCommand(buffer) abort
    return '%e' . ale#Pad(ale#Var(a:buffer, 'yaml_yamllint_options'))
    \   . ' -f parsable %t'
endfunction

function! ale#handlers#yamllint#Handle(buffer, lines) abort
    " Matches patterns line the following:
    " something.yaml:1:1: [warning] missing document start "---" (document-start)
    " something.yml:2:1: [error] syntax error: expected the node content, but found '<stream end>'
    let l:pattern = '\v^.*:(\d+):(\d+): \[(error|warning)\] (.+)$'
    let l:output = []

    for l:match in ale#util#GetMatches(a:lines, l:pattern)
        let l:item = {
        \   'lnum': l:match[1] + 0,
        \   'col': l:match[2] + 0,
        \   'text': l:match[4],
        \   'type': l:match[3] is# 'error' ? 'E' : 'W',
        \}

        let l:code_match = matchlist(l:item.text, '\v^(.+) \(([^)]+)\)$')

        if !empty(l:code_match)
            if l:code_match[2] is# 'trailing-spaces'
            \&& !ale#Var(a:buffer, 'warn_about_trailing_whitespace')
                " Skip warnings for trailing whitespace if the option is off.
                continue
            endif

            let l:item.text = l:code_match[1]
            let l:item.code = l:code_match[2]
        endif

        call add(l:output, l:item)
    endfor

    return l:output
endfunction