#!/usr/bin/env python

import fnmatch
import os
import subprocess
import sys


SOURCE_ROOT = os.path.abspath(os.path.dirname(os.path.dirname(__file__)))
CPPLINT = os.path.join(SOURCE_ROOT, 'vendor', 'google-styleguide', 'trunk', 'cpplint', 'cpplint.py')
LINE_LENGTH = 100

IGNORED_FILES = [
    os.path.join('browser', 'mac', 'bry_inspectable_web_contents_view_private.h'),
]

FILTERS = [
  '-build/header_guard',
  '-build/include_what_you_use',
  '-legal/copyright',
  # cpplint doesn't like the BOOL& parameters that ui::WindowImpl uses.
  '-runtime/references',
]


def main():
  os.chdir(SOURCE_ROOT)
  files = list_files(['browser', 'common'],
                     ['*.cc', '*.h'])
  return cpplint(set(files) - set(IGNORED_FILES))


def list_files(directories, filters):
  matches = []
  for directory in directories:
    for root, _, filenames, in os.walk(directory):
      for f in filters:
        for filename in fnmatch.filter(filenames, f):
          matches.append(os.path.join(root, filename))
  return matches


def cpplint(files):
  return subprocess.call([sys.executable, CPPLINT, '--linelength=%d' % LINE_LENGTH, '--filter=' + ','.join(FILTERS)] + list(files))


if __name__ == '__main__':
  sys.exit(main())