components/webui_generator/generator/util.py

   1 # Copyright 2015 The Chromium Authors. All rights reserved.
   2 # Use of this source code is governed by a BSD-style license that can be
   3 # found in the LICENSE file.
   4
   5 import argparse
   6 import os.path
   7 import re
   8
   9 def CreateArgumentParser():
  10   parser = argparse.ArgumentParser()
  11   parser.add_argument('declaration', help='Path to declaration file.')
  12   parser.add_argument('--root', default='.', help='Path to src/ dir.')
  13   parser.add_argument('--destination',
  14                       help='Root directory for generated files.')
  15   return parser
  16
  17 def ToUpperCamelCase(underscore_name):
  18   return re.sub(r'(?:_|^)(.)', lambda m: m.group(1).upper(), underscore_name)
  19
  20 def ToLowerCamelCase(underscore_name):
  21   return re.sub(r'_(.)', lambda m: m.group(1).upper(), underscore_name)
  22
  23 def PathToIncludeGuard(path):
  24   return re.sub(r'[/.]', '_', path.upper()) + '_'
  25
  26 def CreateDirIfNotExists(path):
  27   if not os.path.isdir(path):
  28     if os.path.exists(path):
  29       raise Exception('%s exists and is not a directory.' % path)
  30     os.makedirs(path)