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import datetime
import fnmatch
import os
import re
import shutil
import sys
import tempfile
import textwrap
copyright_str = textwrap.dedent('''
/*
* Copyright (c) {} Roc Streaming authors
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
''').format(datetime.datetime.now().year)
def is_header(path):
return re.search(r'\.h$', path)
def is_test(path):
_, basename = os.path.split(path)
for s in [basename, os.path.basename(os.path.dirname(path))]:
if s.startswith('test_'):
return True
return False
def is_public_api(path):
rootname = os.path.basename(
os.path.dirname(
os.path.dirname(
os.path.abspath(path))))
return rootname == 'public_api'
def make_guard(path):
dirpath, basename = os.path.split(path)
dirname = os.path.basename(dirpath)
if is_public_api(path):
if is_test(path):
arr = ['roc', 'public_api', dirname, basename]
else:
arr = ['roc', 'public_api', basename]
else:
arr = [dirname, basename]
while not arr[0].startswith('roc_') and arr[0] != 'roc':
dirpath = os.path.dirname(dirpath)
arr = [os.path.basename(dirpath)] + arr
return '_'.join(arr).replace('.', '_').upper() + '_'
def make_doxygen_path(path):
path = '/'.join(path.split(os.sep))
path = re.sub(r'^\.?/', '', path)
return '@file ' + path
def make_doxygen_brief(text):
if not text.endswith('.'):
text += '.'
return '@brief ' + text
def format_file(output, path):
def fprint(s):
output.write(s + '\n')
with open(path) as fp:
lines = fp.read().splitlines()
has_copyright, has_doxygen, has_guard, is_autogen = False, False, False, False
section = 'copyright'
brief = 'TODO'
original_lines = []
body_start = True
if is_header(path):
while re.match(r'^\s*$', lines[-1]):
lines.pop()
if re.match(r'^\s*#\s*endif.*$', lines[-1]):
lines.pop()
while re.match(r'^\s*$', lines[-1]):
lines.pop()
for line in lines:
m = re.search(r'@brief\s+(.*)', line)
if m:
brief = m.group(1)
break
while lines:
line = lines.pop(0)
if section in ['copyright', 'doxygen', 'guard']:
if re.match(r'^\s*$', line):
continue
if section == 'copyright':
original_lines += [line]
if re.match(r'^\s*/?\*', line):
if re.match(r'^\s*/?\*.*AUTO-GENERATED.*', line):
is_autogen = True
if re.match(r'^\s*/?\*\s*(Copyright|Mozilla)', line):
has_copyright = True
if re.match(r'^\s*\*/', line):
if is_autogen or has_copyright:
for p in original_lines:
fprint(p)
fprint('')
else:
fprint(copyright_str.strip())
fprint('')
if not has_copyright:
for p in original_lines:
fprint(p)
fprint('')
section = 'doxygen' if is_header(path) else 'body'
continue
else:
fprint(copyright_str.strip())
fprint('')
lines = original_lines + lines
section = 'doxygen' if is_header(path) else 'body'
continue
if section == 'doxygen':
if re.match(r'^\s*/?\*', line) or re.match(r'^\s*//', line):
continue
if re.match(r'^\s*//!', line):
if not is_header(path) or is_test(path) or is_autogen:
continue
if re.match(r'^\s*//!\s*@file', line):
fprint('//! {}'.format(make_doxygen_path(path)))
else:
fprint(line)
has_doxygen = True
continue
else:
if is_public_api(path) or is_test(path) or is_autogen:
section = 'guard' if is_header(path) else 'body'
else:
if not has_doxygen:
if is_header(path):
fprint('//! {}'.format(make_doxygen_path(path)))
fprint('//! {}'.format(make_doxygen_brief(brief)))
section = 'guard'
else:
section = 'body'
if is_header(path):
fprint('')
if section == 'guard':
m = re.match(r'#\s*(ifndef|define)', line)
if m:
has_guard = True
fprint('#{} {}'.format(m.group(1), make_guard(path)))
continue
else:
if not has_guard:
fprint('#ifndef {}'.format(make_guard(path)))
fprint('#define {}'.format(make_guard(path)))
fprint('')
section = 'body'
if section == 'body':
if body_start and re.match(r'^\s*$', line):
continue
body_start = False
fprint(line)
if is_header(path):
fprint('')
fprint('#endif // {}'.format(make_guard(path)))
def walk_dir(directory, patterns):
for root, dirs, files in os.walk(directory):
for basename in files:
for pattern in patterns:
if fnmatch.fnmatch(basename, pattern):
filename = os.path.join(root, basename)
yield filename
break
if len(sys.argv) > 1:
os.chdir(sys.argv[1])
for path in walk_dir('.', ['*.h', '*.cpp']):
with tempfile.NamedTemporaryFile('w+') as fp:
format_file(fp, path)
fp.flush()
shutil.copy(fp.name, path)
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