syntastic/syntax_checkers/docbk/xmllint.vim

"============================================================================
"File:        docbk.vim
"Description: Syntax checking plugin for syntastic.vim
"Maintainer:  Martin Grenfell <martin.grenfell at gmail dot com>
"License:     This program is free software. It comes without any warranty,
"             to the extent permitted by applicable law. You can redistribute
"             it and/or modify it under the terms of the Do What The Fuck You
"             Want To Public License, Version 2, as published by Sam Hocevar.
"             See http://sam.zoy.org/wtfpl/COPYING for more details.
"
"============================================================================

if exists("g:loaded_syntastic_docbk_xmllint_checker")
    finish
endif
let g:loaded_syntastic_docbk_xmllint_checker=1

function! SyntaxCheckers_docbk_xmllint_IsAvailable()
    return executable('xmllint')
endfunction

function! SyntaxCheckers_docbk_xmllint_GetLocList()
    let makeprg = syntastic#makeprg#build({
                \ 'exe': 'xmllint',
                \ 'args': '--xinclude --noout --postvalid' })
    let errorformat='%E%f:%l: parser error : %m,%W%f:%l: parser warning : %m,%E%f:%l:%.%# validity error : %m,%W%f:%l:%.%# validity warning : %m,%-Z%p^,%-C%.%#,%-G%.%#'
    let loclist = SyntasticMake({ 'makeprg': makeprg, 'errorformat': errorformat })

    return loclist
endfunction

call g:SyntasticRegistry.CreateAndRegisterChecker({
    \ 'filetype': 'docbk',
    \ 'name': 'xmllint'})