Change actions.txt to actions.xml

tools/metrics/histograms/print_style.py

-#!/usr/bin/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 argparse
-import subprocess
+"""Holds the constants for pretty printing histograms.xml."""
+
+import os
 import sys
-import os
 
-DESCRIPTION = '''Run the given JavaScript files through jscompile.'''
-FILES_HELP = '''A list of Javascript files. The Javascript files should include
-files that contain definitions of types or functions that are known to Chrome
-but not to jscompile.'''
-STAMP_HELP = 'Timestamp file to update on success.'
+# Import the metrics/common module for pretty print xml.
+sys.path.append(os.path.join(os.path.dirname(__file__), '..', 'common'))
+import pretty_print_xml
 
-def checkJavascript(js_files):
-  args = ['jscompile'] + js_files
-  result = subprocess.call(args)
-  return result == 0
+# Desired order for tag attributes; attributes listed here will appear first,
+# and in the same order as in these lists.
+# { tag_name: [attribute_name, ...] }
+ATTRIBUTE_ORDER = {
+  'enum': ['name', 'type'],
+  'histogram': ['name', 'enum', 'units'],
+  'int': ['value', 'label'],
+  'fieldtrial': ['name', 'separator', 'ordering'],
+  'group': ['name', 'label'],
+  'affected-histogram': ['name'],
+  'with-group': ['name'],
+}
+
+# Tag names for top-level nodes whose children we don't want to indent.
+TAGS_THAT_DONT_INDENT = [
+  'histogram-configuration',
+  'histograms',
+  'fieldtrials',
+  'enums'
+]
+
+# Extra vertical spacing rules for special tag names.
+# {tag_name: (newlines_after_open, newlines_before_close, newlines_after_close)}
+TAGS_THAT_HAVE_EXTRA_NEWLINE = {
+  'histogram-configuration': (2, 1, 1),
+  'histograms': (2, 1, 1),
+  'fieldtrials': (2, 1, 1),
+  'enums': (2, 1, 1),
+  'histogram': (1, 1, 1),
+  'enum': (1, 1, 1),
+  'fieldtrial': (1, 1, 1),
+}
+
+# Tags that we allow to be squished into a single line for brevity.
+TAGS_THAT_ALLOW_SINGLE_LINE = [
+  'summary',
+  'int',
+]
 
 
-def main():
-  parser = argparse.ArgumentParser(description = DESCRIPTION)
-  parser.add_argument('files', nargs = '+', help = FILES_HELP)
-  parser.add_argument('--success-stamp', dest = 'success_stamp',
-                      help = STAMP_HELP)
-  options = parser.parse_args()
-
-  js = []
-  for file in options.files:
-    name, extension = os.path.splitext(file)
-    if extension == '.js':
-      js.append(file)
-    else:
-      print >> sys.stderr, 'Unknown extension (' + extension + ') for ' + file
-      return 1
-
-  if not checkJavascript(js):
-    return 1
-
-  if options.success_stamp:
-    with open(options.success_stamp, 'w'):
-      os.utime(options.success_stamp, None)
-
-  return 0
-
-if __name__ == '__main__':
-  sys.exit(main())