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# Copyright 2017 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# This script generates a header containing a dictionary from locales to
# accept language strings from chromium's .xtb files. It is not very
# robust at the moment, and makes some assumptions about the format of
# the files, including at least the following:
# * assumes necessary data is contained only with files of the form
# components/strings/components_locale_settings_${LANG}.xtb
# * assumes ${LANG} is identified in the lang attribute of the root
# element of the file's xml data
# * assumes that there is only one relevant element with the
# IDS_ACCEPT_LANGUAGES attribute
from __future__ import print_function
import os
import re
import sys
from xml.etree import ElementTree
STRINGS_DIR = sys.argv[2] + 'components/strings/'
# pylint: disable=inconsistent-return-statements
def extract_accept_langs(filename):
tree = ElementTree.parse(STRINGS_DIR + filename).getroot()
for child in tree:
if child.get('id') == 'IDS_ACCEPT_LANGUAGES':
return tree.get('lang'), child.text
# pylint: enable=inconsistent-return-statements
def gen_accept_langs_table():
accept_langs_list = [extract_accept_langs(filename)
for filename in os.listdir(STRINGS_DIR)
if re.match(r'components_locale_settings_\S+.xtb', filename)]
return dict(accept_langs for accept_langs in accept_langs_list
if accept_langs)
HEADER = "static NSDictionary* const acceptLangs = @{"
def LINE(locale, accept_langs):
return ' @"' + locale + '" : @"' + accept_langs + '",'
FOOTER = "};"
def main():
with open(sys.argv[1] + "/accept_languages_table.h", "w+") as f:
print(HEADER, file=f)
for (locale, accept_langs) in gen_accept_langs_table().items():
print(LINE(locale, accept_langs), file=f)
print(FOOTER, file=f)
if __name__ == "__main__":
main()
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