Initial commit

yamllint/rules/document_end.py

@@ -0,0 +1,44 @@
+# -*- coding: utf-8 -*-
+# Copyright (C) 2016 Adrien Vergé
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import yaml
+
+from yamllint.errors import LintProblem
+
+
+ID = 'document-end'
+TYPE = 'token'
+CONF = {'present': bool}
+
+
+def check(conf, token, prev, next):
+    if conf['present']:
+        if (isinstance(token, yaml.StreamEndToken) and
+                not (isinstance(prev, yaml.DocumentEndToken) or
+                     isinstance(prev, yaml.StreamStartToken))):
+            yield LintProblem(token.start_mark.line, 1,
+                              'missing document end "..."')
+        elif (isinstance(token, yaml.DocumentStartToken) and
+                not (isinstance(prev, yaml.DocumentEndToken) or
+                     isinstance(prev, yaml.StreamStartToken))):
+            yield LintProblem(token.start_mark.line + 1, 1,
+                              'missing document end "..."')
+
+    else:
+        if isinstance(token, yaml.DocumentEndToken):
+            yield LintProblem(token.start_mark.line + 1,
+                              token.start_mark.column + 1,
+                              'found forbidden document end "..."')