djsollen | 0b17d6c | 2014-11-13 12:52:35 -0800 | [diff] [blame] | 1 | #!/usr/bin/python |
| 2 | |
| 3 | ''' |
| 4 | Copyright 2014 Google Inc. |
| 5 | |
| 6 | Use of this source code is governed by a BSD-style license that can be |
| 7 | found in the LICENSE file. |
| 8 | ''' |
| 9 | |
| 10 | import os |
| 11 | import optparse |
| 12 | import posixpath |
| 13 | import re |
| 14 | |
| 15 | |
| 16 | def is_ignored(full_path, ignore_list): |
| 17 | for ignore_path in ignore_list: |
djsollen | 6f78a64 | 2014-11-25 08:25:29 -0800 | [diff] [blame] | 18 | if re.search(ignore_path, full_path, re.I): |
djsollen | 0b17d6c | 2014-11-13 12:52:35 -0800 | [diff] [blame] | 19 | return True |
| 20 | return False |
| 21 | |
| 22 | |
| 23 | def find_header_files(include_dirs, ignore_list): |
| 24 | """Return a list of all '.h' files in top_dir. |
| 25 | |
| 26 | Args: |
| 27 | include_dirs: Paths to the directories within which to recursively search |
| 28 | for files ending in '.h' |
| 29 | ignore_list: Paths to both files and directories that are to be excluded |
| 30 | from the search for headers |
| 31 | |
| 32 | Returns: |
| 33 | A list of all the files inside include_dirs that end in '.h', relative to |
| 34 | their respective include_dir that are not explicitly ignored. |
| 35 | """ |
| 36 | headers = [] |
| 37 | for top_dir in include_dirs: |
| 38 | for filename in os.listdir(top_dir): |
| 39 | full_path = posixpath.join(top_dir, filename) |
| 40 | if is_ignored(full_path, ignore_list): |
| 41 | continue |
| 42 | elif os.path.isdir(full_path): |
| 43 | nested_headers = find_header_files([full_path], ignore_list) |
| 44 | for nested_header in nested_headers: |
| 45 | headers.append(os.path.join(filename, nested_header)) |
| 46 | elif filename.endswith('.h'): |
| 47 | headers.append(filename) |
| 48 | return headers |
| 49 | |
| 50 | |
| 51 | def GenerateIncludeCPP(output_file, include_dirs, ignore_list): |
| 52 | headers = find_header_files(include_dirs, ignore_list) |
| 53 | |
| 54 | # Emit resulting source file. |
| 55 | with open(os.path.join(os.getcwd(), output_file), "w+") as output: |
| 56 | for header in headers: |
| 57 | output.write("#include <%s>\n" % header) |
| 58 | |
| 59 | |
| 60 | def main(): |
| 61 | parser = optparse.OptionParser() |
| 62 | parser.add_option("--ignore", action="store", type="string", dest="ignore", |
| 63 | help="file to write the processed sources array to.") |
| 64 | parser.set_usage("""generate_include_cpp out.cpp include_dir |
| 65 | out.cpp: C++ code to be generated. |
| 66 | include_dirs: directories to traverse for include files""") |
| 67 | (options, args) = parser.parse_args() |
| 68 | |
djsollen | 6f78a64 | 2014-11-25 08:25:29 -0800 | [diff] [blame] | 69 | # The MSVS gyp generator uses windows path separators so we intercept those |
| 70 | # strings and normalize them to our expected posix representation |
| 71 | include_dirs = [] |
| 72 | for include_dir in args[1:]: |
| 73 | include_dirs.append(include_dir.replace("\\", "/")) |
| 74 | ignore_list = options.ignore.replace("\\", "/") |
| 75 | |
| 76 | # We can strip off the relative portion of the path to ensure that when we |
| 77 | # compare for regex matches we don't fail based on relative path depth |
| 78 | ignore_list = ignore_list.replace("../", "") |
| 79 | |
| 80 | GenerateIncludeCPP(args[0], include_dirs, ignore_list.split()) |
djsollen | 0b17d6c | 2014-11-13 12:52:35 -0800 | [diff] [blame] | 81 | |
| 82 | |
| 83 | if __name__ == "__main__": |
| 84 | main() |