Change actions.txt to actions.xml

tools/metrics/actions/print_style.py

-#!/usr/bin/env python
 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-import logging
+"""Holds the constants for pretty printing actions.xml."""
+
 import os
 import sys
-import unittest
 
+# Import the metrics/common module for pretty print xml.
+sys.path.append(os.path.join(os.path.dirname(__file__), '..', 'common'))
+import pretty_print_xml
 
-if __name__ == '__main__':
-  cur_dir = os.path.abspath(os.path.dirname(__file__))
-  chromium_dir = os.path.abspath(os.path.join(cur_dir, os.pardir, os.pardir))
+# Desired order for tag and tag attributes.
+# { tag_name: [attribute_name, ...] }
+ATTRIBUTE_ORDER = {
+    'action': ['name'],
+    'owners': [],
+    'owner':[],
+    'description': [],
+}
 
-  sys.path += [
-      cur_dir,
+# Tag names for top-level nodes whose children we don't want to indent.
+TAGS_THAT_DONT_INDENT = ['actions']
 
-      # Include all dependencies.
-      os.path.join(chromium_dir, 'build', 'android'),  # For pylib.
-  ]
+# Extra vertical spacing rules for special tag names.
+# {tag_name: (newlines_after_open, newlines_before_close, newlines_after_close)}
+TAGS_THAT_HAVE_EXTRA_NEWLINE = {
+    'actions': (2, 1, 1),
+    'action': (1, 1, 1),
+}
 
-  logging.basicConfig(
-      level=logging.DEBUG if '-v' in sys.argv else logging.WARNING,
-      format='%(levelname)5s %(filename)15s(%(lineno)3d): %(message)s')
+# Tags that we allow to be squished into a single line for brevity.
+TAGS_THAT_ALLOW_SINGLE_LINE = ['owner', 'description']
 
-  suite = unittest.TestSuite()
-  loader = unittest.TestLoader()
-  suite.addTests(loader.discover(start_dir=cur_dir, pattern='*_unittest.py'))
-
-  res = unittest.TextTestRunner(verbosity=2).run(suite)
-  if res.wasSuccessful():
-    sys.exit(0)
-  else:
-    sys.exit(1)
+def GetPrintStyle():
+  """Returns an XmlStyle object for pretty printing actions."""
+  return pretty_print_xml.XmlStyle(ATTRIBUTE_ORDER,
+                                   TAGS_THAT_HAVE_EXTRA_NEWLINE,
+                                   TAGS_THAT_DONT_INDENT,
+                                   TAGS_THAT_ALLOW_SINGLE_LINE)