ale/ale_linters/xml/xmllint.vim

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" Author: q12321q <q12321q@gmail.com>
" Description: This file adds support for checking XML code with xmllint.
" CLI options
let g:ale_xml_xmllint_executable = get(g:, 'ale_xml_xmllint_executable', 'xmllint')
let g:ale_xml_xmllint_options = get(g:, 'ale_xml_xmllint_options', '')
function! ale_linters#xml#xmllint#GetCommand(buffer) abort
return '%e'
\ . ale#Pad(ale#Var(a:buffer, 'xml_xmllint_options'))
\ . ' --noout -'
endfunction
function! ale_linters#xml#xmllint#Handle(buffer, lines) abort
" Matches patterns lines like the following:
" file/path:123: error level : error message
let l:pattern_message = '\v^([^:]+):(\d+):\s*(([^:]+)\s*:\s+.*)$'
" parse column token line like that:
" file/path:123: parser error : Opening and ending tag mismatch: foo line 1 and bar
" </bar>
" ^
let l:pattern_column_token = '\v^\s*\^$'
let l:output = []
for l:line in a:lines
" Parse error/warning lines
let l:match_message = matchlist(l:line, l:pattern_message)
if !empty(l:match_message)
let l:line = l:match_message[2] + 0
let l:type = l:match_message[4] =~? 'warning' ? 'W' : 'E'
let l:text = l:match_message[3]
call add(l:output, {
\ 'lnum': l:line,
\ 'text': l:text,
\ 'type': l:type,
\})
continue
endif
" Parse column position
let l:match_column_token = matchlist(l:line, l:pattern_column_token)
if !empty(l:output) && !empty(l:match_column_token)
let l:previous = l:output[len(l:output) - 1]
let l:previous['col'] = len(l:match_column_token[0])
continue
endif
endfor
return l:output
endfunction
call ale#linter#Define('xml', {
\ 'name': 'xmllint',
\ 'output_stream': 'stderr',
\ 'executable': {b -> ale#Var(b, 'xml_xmllint_executable')},
\ 'command': function('ale_linters#xml#xmllint#GetCommand'),
\ 'callback': 'ale_linters#xml#xmllint#Handle',
\ })