1 files changed, 39 insertions, 0 deletions
diff --git a/autoload/ale/handlers/yamllint.vim b/autoload/ale/handlers/yamllint.vim
new file mode 100644
index 00000000..5e04577d
--- /dev/null
+++ b/autoload/ale/handlers/yamllint.vim
@@ -0,0 +1,39 @@
+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
+