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Contents
# Copyright 2019-present MongoDB, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Generate a CFFI.cdef() string from a C header file
Usage (on macOS):: python strip_header.py ../../src/mongocrypt.h | pbcopy
"""
import itertools
import re
import sys
DROP_RE = re.compile(r'^\s*(#|MONGOCRYPT_EXPORT)')
def strip_file(content):
fold = content.replace('\\\n', ' ')
all_lines = fold.split('\n') + ['']
keep_lines = (line for line in all_lines if not DROP_RE.match(line))
fin = ''
for line, peek in itertools.pairwise(keep_lines):
if peek == '' and line == '':
# Drop adjacent empty lines
continue
yield line
fin = peek
yield fin
def strip(hdr):
with open(hdr) as fp:
out = strip_file(fp.read())
print('\n'.join(out))
if __name__ == "__main__":
if len(sys.argv) != 2:
raise Exception("Usage: strip_header.py header.h")
strip(sys.argv[1])
Version data entries
4 entries across 4 versions & 1 rubygems