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#!/usr/bin/env python
#
# Copyright (c) 2015 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.
"""Generate ResourceRewriter.java which overwrites the given package's
resource id.
"""
import argparse
import os
import sys
import zipfile
from util import build_utils
# Import jinja2 from third_party/jinja2
sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__),
'..',
'..',
'..',
'third_party')))
import jinja2
RESOURCE_REWRITER_JAVA="ResourceRewriter.java"
RESOURCE_REWRITER="""/* AUTO-GENERATED FILE. DO NOT MODIFY. */
package {{ package }};
/**
* Helper class used to fix up resource ids.
*/
class ResourceRewriter {
/**
* Rewrite the R 'constants' for the WebView.
*/
public static void rewriteRValues(final int packageId) {
{% for res_package in res_packages %}
{{ res_package }}.R.onResourcesLoaded(packageId);
{% endfor %}
}
}
"""
def ParseArgs(args):
"""Parses command line options.
Returns:
An Namespace from argparse.parse_args()
"""
parser = argparse.ArgumentParser(prog='generate_resource_rewriter')
parser.add_argument('--package-name',
required=True,
help='The package name of ResourceRewriter.')
parser.add_argument('--dep-packages',
required=True,
help='A list of packages whose resource id will be'
'overwritten in ResourceRewriter.')
parser.add_argument('--output-dir',
help='A output directory of generated'
' ResourceRewriter.java')
parser.add_argument('--srcjar',
help='The path of generated srcjar which has'
' ResourceRewriter.java')
return parser.parse_args(args)
def CreateResourceRewriter(package, res_packages, output_dir):
build_utils.MakeDirectory(output_dir)
java_path = os.path.join(output_dir, RESOURCE_REWRITER_JAVA)
template = jinja2.Template(RESOURCE_REWRITER,
trim_blocks=True,
lstrip_blocks=True)
output = template.render(package=package, res_packages=res_packages)
with open(java_path, 'w') as f:
f.write(output)
def CreateResourceRewriterSrcjar(package, res_packages, srcjar_path):
with build_utils.TempDir() as temp_dir:
output_dir = os.path.join(temp_dir, *package.split('.'))
CreateResourceRewriter(package, res_packages, output_dir)
build_utils.DoZip([os.path.join(output_dir, RESOURCE_REWRITER_JAVA)],
srcjar_path,
temp_dir)
def main():
options = ParseArgs(build_utils.ExpandFileArgs(sys.argv[1:]))
package = options.package_name
if options.output_dir:
output_dir = os.path.join(options.output_dir, *package.split('.'))
CreateResourceRewriter(
package,
build_utils.ParseGnList(options.dep_packages),
output_dir)
else:
CreateResourceRewriterSrcjar(
package,
build_utils.ParseGnList(options.dep_packages),
options.srcjar)
return 0
if __name__ == '__main__':
sys.exit(main())
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