[Android] Auto-generate only necessary v14 resources.

build/android/gyp/copy_v17_resources.py

-#!/usr/bin/env python
-#
-# Copyright 2013 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.
-
-"""Copy xml resource files and add -v17 to the sub directory names.
-
-This is coupled with generate_v14_resources.py. Please refer to
-generate_v14_resources.py's comment for why we are doing this.
-Or http://crbug.com/235118 .
-"""
-
-import optparse
-import os
-import shutil
-import sys
-import xml.dom.minidom as minidom
-
-from util import build_utils
-
-
-def CopyXmlResourcesInDir(input_dir, output_dir, only_styles=False):
-  """Copy all XML resources from input_dir to output_dir."""
-  for input_file in build_utils.FindInDirectory(input_dir, '*.xml'):
-    if only_styles:
-      # If the xml file does not have a style element,
-      # it's not style resource, so skip.
-      dom = minidom.parse(input_file)
-      if not dom.getElementsByTagName('style'):
-        continue
-
-    output_path = os.path.join(output_dir,
-                               os.path.relpath(input_file, input_dir))
-    build_utils.MakeDirectory(os.path.dirname(output_path))
-    shutil.copy2(input_file, output_path)
-
-
-def ParseArgs():
-  """Parses command line options.
-
-  Returns:
-    An options object as from optparse.OptionsParser.parse_args()
-  """
-  parser = optparse.OptionParser()
-  parser.add_option('--res-dir',
-                    help='directory containing resources to be copied')
-  parser.add_option('--res-v17-dir',
-                    help='output directory to which resources will be copied.')
-  parser.add_option('--stamp', help='File to touch on success')
-
-  options, args = parser.parse_args()
-
-  if args:
-    parser.error('No positional arguments should be given.')
-
-  # Check that required options have been provided.
-  required_options = ('res_dir', 'res_v17_dir')
-  build_utils.CheckOptions(options, parser, required=required_options)
-  return options
-
-
-def main(argv):
-  options = ParseArgs()
-
-  build_utils.DeleteDirectory(options.res_v17_dir)
-  build_utils.MakeDirectory(options.res_v17_dir)
-
-  for name in os.listdir(options.res_dir):
-    if not os.path.isdir(os.path.join(options.res_dir, name)):
-      continue
-
-    dir_pieces = name.split('-')
-    resource_type = dir_pieces[0]
-    qualifiers = dir_pieces[1:]
-
-    # Skip RTL resources because they are not supported by API 14.
-    if 'ldrtl' in qualifiers:
-      continue
-
-    input_dir = os.path.join(options.res_dir, name)
-    output_dir = os.path.join(options.res_v17_dir, name + '-v17')
-
-    # We only copy resources under layout*/, xml*/,
-    # and style resources under values*/.
-    # TODO(kkimlabs): don't process xml directly once all layouts have
-    # been moved out of XML directory. see http://crbug.com/238458
-    if resource_type in ('layout', 'xml'):
-      CopyXmlResourcesInDir(input_dir, output_dir)
-    elif resource_type in ('values'):
-      CopyXmlResourcesInDir(input_dir, output_dir, only_styles=True)
-
-  if options.stamp:
-    build_utils.Touch(options.stamp)
-
-if __name__ == '__main__':
-  sys.exit(main(sys.argv))
-