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" Author: KabbAmine <amine.kabb@gmail.com>
" Description: This file adds support for checking HTML code with tidy.
let g:ale_html_tidy_executable = get(g:, 'ale_html_tidy_executable', 'tidy')
let g:ale_html_tidy_options = get(g:, 'ale_html_tidy_options', '-q -e -language en')
function! ale_linters#html#tidy#GetCommand(buffer) abort
" Specify file encoding in options
" (Idea taken from https://github.com/scrooloose/syntastic/blob/master/syntax_checkers/html/tidy.vim)
let l:file_encoding = get({
\ 'ascii': '-ascii',
\ 'big5': '-big5',
\ 'cp1252': '-win1252',
\ 'cp850': '-ibm858',
\ 'cp932': '-shiftjis',
\ 'iso-2022-jp': '-iso-2022',
\ 'latin1': '-latin1',
\ 'macroman': '-mac',
\ 'sjis': '-shiftjis',
\ 'utf-16le': '-utf16le',
\ 'utf-16': '-utf16',
\ 'utf-8': '-utf8',
\ }, &fileencoding, '-utf8')
" On macOS, old tidy (released on 31 Oct 2006) is installed. It does not
" consider HTML5 so we should avoid it.
let l:executable = ale#Var(a:buffer, 'html_tidy_executable')
if has('mac') && l:executable is# 'tidy' && exists('*exepath')
\ && exepath(l:executable) is# '/usr/bin/tidy'
return ''
endif
return printf('%s %s %s -',
\ l:executable,
\ ale#Var(a:buffer, 'html_tidy_options'),
\ l:file_encoding
\)
endfunction
function! ale_linters#html#tidy#Handle(buffer, lines) abort
" Matches patterns lines like the following:
" line 7 column 5 - Warning: missing </title> before </head>
let l:pattern = '^line \(\d\+\) column \(\d\+\) - \(Warning\|Error\): \(.\+\)$'
let l:output = []
for l:match in ale#util#GetMatches(a:lines, l:pattern)
let l:line = l:match[1] + 0
let l:col = l:match[2] + 0
let l:type = l:match[3] is# 'Error' ? 'E' : 'W'
let l:text = l:match[4]
call add(l:output, {
\ 'lnum': l:line,
\ 'col': l:col,
\ 'text': l:text,
\ 'type': l:type,
\})
endfor
return l:output
endfunction
call ale#linter#Define('html', {
\ 'name': 'tidy',
\ 'executable_callback': ale#VarFunc('html_tidy_executable'),
\ 'output_stream': 'stderr',
\ 'command_callback': 'ale_linters#html#tidy#GetCommand',
\ 'callback': 'ale_linters#html#tidy#Handle',
\ })
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