1 files changed, 89 insertions, 0 deletions
diff --git a/third_party/python/yamllint/yamllint/rules/common.py b/third_party/python/yamllint/yamllint/rules/common.py
new file mode 100644
index 0000000000..989345965c
--- /dev/null
+++ b/third_party/python/yamllint/yamllint/rules/common.py
@@ -0,0 +1,89 @@
+# -*- 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 string
+
+import yaml
+
+from yamllint.linter import LintProblem
+
+
+def spaces_after(token, prev, next, min=-1, max=-1,
+                 min_desc=None, max_desc=None):
+    if next is not None and token.end_mark.line == next.start_mark.line:
+        spaces = next.start_mark.pointer - token.end_mark.pointer
+        if max != - 1 and spaces > max:
+            return LintProblem(token.start_mark.line + 1,
+                               next.start_mark.column, max_desc)
+        elif min != - 1 and spaces < min:
+            return LintProblem(token.start_mark.line + 1,
+                               next.start_mark.column + 1, min_desc)
+
+
+def spaces_before(token, prev, next, min=-1, max=-1,
+                  min_desc=None, max_desc=None):
+    if (prev is not None and prev.end_mark.line == token.start_mark.line and
+            # Discard tokens (only scalars?) that end at the start of next line
+            (prev.end_mark.pointer == 0 or
+             prev.end_mark.buffer[prev.end_mark.pointer - 1] != '\n')):
+        spaces = token.start_mark.pointer - prev.end_mark.pointer
+        if max != - 1 and spaces > max:
+            return LintProblem(token.start_mark.line + 1,
+                               token.start_mark.column, max_desc)
+        elif min != - 1 and spaces < min:
+            return LintProblem(token.start_mark.line + 1,
+                               token.start_mark.column + 1, min_desc)
+
+
+def get_line_indent(token):
+    """Finds the indent of the line the token starts in."""
+    start = token.start_mark.buffer.rfind('\n', 0,
+                                          token.start_mark.pointer) + 1
+    content = start
+    while token.start_mark.buffer[content] == ' ':
+        content += 1
+    return content - start
+
+
+def get_real_end_line(token):
+    """Finds the line on which the token really ends.
+
+    With pyyaml, scalar tokens often end on a next line.
+    """
+    end_line = token.end_mark.line + 1
+
+    if not isinstance(token, yaml.ScalarToken):
+        return end_line
+
+    pos = token.end_mark.pointer - 1
+    while (pos >= token.start_mark.pointer - 1 and
+           token.end_mark.buffer[pos] in string.whitespace):
+        if token.end_mark.buffer[pos] == '\n':
+            end_line -= 1
+        pos -= 1
+    return end_line
+
+
+def is_explicit_key(token):
+    # explicit key:
+    #   ? key
+    #   : v
+    # or
+    #   ?
+    #     key
+    #   : v
+    return (token.start_mark.pointer < token.end_mark.pointer and
+            token.start_mark.buffer[token.start_mark.pointer] == '?')