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#!/usr/bin/python
'''
Copyright 2014 Google Inc.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
'''
import os
import optparse
import posixpath
import re
def is_ignored(full_path, ignore_list):
for ignore_path in ignore_list:
if re.match(full_path, ignore_path, re.I):
return True
return False
def find_header_files(include_dirs, ignore_list):
"""Return a list of all '.h' files in top_dir.
Args:
include_dirs: Paths to the directories within which to recursively search
for files ending in '.h'
ignore_list: Paths to both files and directories that are to be excluded
from the search for headers
Returns:
A list of all the files inside include_dirs that end in '.h', relative to
their respective include_dir that are not explicitly ignored.
"""
headers = []
for top_dir in include_dirs:
for filename in os.listdir(top_dir):
full_path = posixpath.join(top_dir, filename)
if is_ignored(full_path, ignore_list):
continue
elif os.path.isdir(full_path):
nested_headers = find_header_files([full_path], ignore_list)
for nested_header in nested_headers:
headers.append(os.path.join(filename, nested_header))
elif filename.endswith('.h'):
headers.append(filename)
return headers
def GenerateIncludeCPP(output_file, include_dirs, ignore_list):
headers = find_header_files(include_dirs, ignore_list)
# Emit resulting source file.
with open(os.path.join(os.getcwd(), output_file), "w+") as output:
for header in headers:
output.write("#include <%s>\n" % header)
def main():
parser = optparse.OptionParser()
parser.add_option("--ignore", action="store", type="string", dest="ignore",
help="file to write the processed sources array to.")
parser.set_usage("""generate_include_cpp out.cpp include_dir
out.cpp: C++ code to be generated.
include_dirs: directories to traverse for include files""")
(options, args) = parser.parse_args()
GenerateIncludeCPP(args[0], args[1:], options.ignore.split())
if __name__ == "__main__":
main()
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